0901180 Control Guard Accs

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Product Information

Specifications

• Cabinet Materials: Case / Cover: ABS UL94 V-0,
  Pump Faceplate: Lexan 9945A UL94 v-0

• Case Ratings Dimensions: IP-65 (Protected from
  total dust ingress, and low pressure water jets from any
  direction)

• Standard Power Supply: Input: 100 – 120 VAC
  50/60 Hz (3.0 A), Output: 24 VDC (6.5 A)

• High Current Power Supply: Input: 200 – 240
  VAC 50/60 Hz (2.0 A), Output: 24 VDC (8.8 A)

• Unit Weight: Not specified

• Pump Flow Rates: Not specified

• Pump Duty Cycle: Not specified

• Maximum Pump Run Time: Not specified

• Maximum Pump Lift / Suction: Not
  specified

• Maximum Pump Head Pressure: Not specified

• Certifications: Not specified

Product Usage Instructions

Safety Precautions

1. Wear protective clothing and eye protection whenever
operating this system.

2. Wear protective clothing and eye wear when dispensing
chemicals. Observe safe handling instructions (MSDS) provided on
chemical container or as supplied by chemical manufacturer.

3. To avoid severe or fatal shock, physical injury, always
disconnect main power when servicing the unit.

4. When installing any equipment, ensure that all national and
local safety, electrical, and plumbing codes are met.

5. Do not submerge or place in direct path of
spray/moisture.

6. Only approved, factory authorized technicians to service the
unit.

Frequently Asked Questions (FAQ)

Q: What should I do if the unit is submerged in water?

A: If the unit is submerged in water, immediately disconnect the
main power and contact an approved technician for servicing.

Q: How often should I check the pump flow rates?

A: It is recommended to regularly check the pump flow rates as
per the manufacturer’s guidelines to ensure optimal performance of
the unit.

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INSTRUCTION MANUAL

MANUAL # 0901180 DATE: 2024-0320

VERSION: C2

Control Guard ACCS

Control Guard ACCS Instructions
TABLE OF CONTENTS
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Sensor Settings Menu ……………………………………………………………………….. 12-13
Pump Settings Menu ………………………………………………………………………………14-22
Pump Settings Menu …………………………………………………………………………. 14-22
Error Screens …………………………………………………………………………………………………. 23
Error Screens ……………………………………………………………………………………….. 23
System Dimensions ………………………………………………………………………………………. 24
PC Application Programming………………………………………………………………. 24-33
Wiring Diagrams ……………………………………………………………………………………….25-32
System Dimensions ……………………………………………………………………………….. 34
Exploded View Drawings…………………………………………………………………………33-39 TWroiruinbglDesiahgoraomtisn.g……………………………………………………………………………………………………………………………………………………………………….3..5..-..4. 240 DExepclloadreadtioVniewofDCraownifnogrsm…i.t.y……………………………………………………………………………………………………………………………………….4..3…-.4. 941 WTraorurbalensthyoIontfinogrm….a..t.i.o…n………………………………………………………………………………………………………………………………………………………………..5. 042 CDoemclapraatnioynIonffoCromnfaotrmiointy……………………………………………………………………………………………………………………………………………………………5. 142
Warranty Information ……………………………………………………………………………… 52
Knight Locations ……………………………………………………………………………………. 52

CAUTION: Wear protective clothing and eyewear when dispensing chemicals or other materials. Observe safety handling instructions (MSDS) of chemical mfrs.
CAUTION: To avoid severe or fatal shock, always disconnect main power when servicing the unit.
CAUTION: When installing any equipment, ensure that all national and local safety, electrical, and plumbing codes are met.

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Control Guard ACCS Instructions

SAFETY PRECAUTIONS

Wear protective clothing and eye protection whenever operating this system. Wear protective clothing and eye wear when dispensing chemicals. Observe safe handling instructions (MSDS)
provided on chemical container or as supplied by chemical manufacturer. To avoid severe or fatal shock, physical injury, always disconnect main power when servicing the unit. When installing any equipment, ensure that all national and local safety, electrical and plumbing codes are met. Do not submerge or place in direct path of spray/moisture. Only approved, factory authorized technicians to service unit.
SPECIFICATIONS

Cabinet Materials
Case Ratings Dimensions
Standard Power Supply
High Current Power Supply
Unit Weight Pump Flow Rates (note 1) Pump Duty Cycle (note 2) Maximum Pump Run Time (note 2) Maximum Pump Lift / Suction Maximum Pump Head Pressure
Certifications

Case / Cover: ABS UL94 V-0 Pump Faceplate: Lexan 9945A UL94 v-0
IP-65 (Protected from total dust ingress, and low pressure water jets from any direction)
W 18″ x H 10.5″ x D 8″ (46 cm x 27 cm x 20 cm)
Input: 100 – 120 VAC 50/60 Hz (3.0 A) Input: 200 – 240 VAC 50/60 Hz (2.0 A) Output: 24 VDC (6.5 A)
Input: 100 – 120 VAC 50/60 Hz (4.5 A) Input: 200 – 240 VAC 50/60 Hz (2.5 A) Output: 24 VDC (8.8 A)
30 lbs (13.6 kg)
3.38 – 38.9 oz/min (100 – 1150 ml/min) 50% (based on 10 min operating window) 5 Minutes 10 Feet (3 Meters) 30 PSI (2 Bar)
CAN/CSA-C22.2 No. 61010-1-12 UL Std No. 61010-1 (3rd Edition) EN 61010-1: 2010 (3rd edition)

Specification Notes
(1) The pump flow rates shown in the specification table were established using water at ambient temperatures with zero discharge pressure. Pump settings from 20% to 100%.
(2) The duty cycle and maximum pump run time specified above can be exceeded, however in doing so the life of the squeeze tube, roller block and motor may be reduced.
Peristaltic Pump Accuracy
+/- 5% when not calibrated at use volume on up to 128oz +/- 2% when calibrated at use volume on up to 128oz

Equipment Ratings

Pollution degree, 2 Installation category, II Altitude, 2000 meters (max) Humidity, 95% Rh (max) Electrical supply input 100 – 240 VAC 50/60 Hz(see specifications above) Mains supply voltage fluctuations up to ± 10% System is for indoor use only Maximum Ambient Temperature: 40 °C

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Control Guard ACCS Instructions
INDICATION FOR USE
The Control Guard ACCS (Advanced Chemical Concentration System) is designed with ease of setup and use in mind. By utilizing flow meter technology, the ACCS measures high concentrations of caustic, acid, rinse water or other liquids with an extremely high degree of accuracy (+/- 2%) thereby ensuring precise chemical feed control. The Control Guard offers multiple 4-20 mA analog inputs which provide the flexibility of being utilized by any “Off the Shelf” probe whether it is pH, ORP, conductivity or other analytical measurements from a variety of popular manufacturers (Rosemount, Sensorex, etc.). These features can be maximized by employing the Control Guard’s distinctive data logging and reporting capabilities.
The Control Guard ACCS has the ability to operate up to 3 pumps of various designs including: Peristaltic, Air Operated Diaphragm (AOD) and Electric Diaphragm Pumps (EDP). These can be employed in any of 4 modes of operation (signal, relay, repeat cycle and probe – see full details below) either in conjunction or independently of one another. This allows for more complete and accurate control of your CIP process.
The improved user interface employs an enhanced 64X128 RGB backlit display that is combined with our easy to program 4 button control keypad which makes programming extremely user friendly and reduces the amount of set up time while providing critical process information with just a quick glance. With data management and subsequent reports playing a crucial role in today’s process environment the Control Guard ACCS enables Sanitation Managers to clearly address process parameters and status conditions with accurate reports as required by current regulatory requirements.
Modes of Operation
Signal Mode – This mode of operation will run the pump to deliver a specific chemical dosage when triggered by an activation signal. The pump can be delayed, if required, for applications where the chemical delivery needs to happen at a later time from when the trigger signal is received. Lastly, the pump can be locked out for a specific time frame after delivery to prevent accidental repeat dosages.
Relay Mode – This mode of operation will run the pump for as long as a trigger signal is applied. Use of this mode is intended for applications where the duration of the trigger signal is controlled by another source and the Control Guard is utilized as a slave pump. The chemical dosage is tracked by how long the pump has run for a specific time. The pump can stop briefly during the time that the dosage is being tracked. After the specified time has elapsed, the dosage is then logged into memory for reporting purposes.
Repeat Cycle Mode – This mode of operation has two separate chemical dosages referred to as initial charge and recharge. When the trigger signal is first applied, the initial charge is activated. The system then counts down a recharge time after which the recharge volume will be dispensed. The recharge time and recharge volume continue to repeat activations until the trigger signal turns off.
Probe Mode – This mode of operation utilizes a probe (inductive or analog input) to sense and maintain the chemical concentration based on a programmed value. When the probe detects that the concentration has fallen below the programmed setpoint, the pump will turn on to regain the setpoint. While the pump is running, the alarm delay is monitoring the time that it takes to get the solution back to the setpoint. If the setpoint cannot be reached within the alarm delay period, the alarm will sound to notify there is a problem. The feed limit setting controls whether the pump should continue to run, or stop, when the alarm is active. The pulse percent and pulse rate settings control how the pump will “pulse feed” when close to the setpoint value.
PRE-INSTALLATION SITE SURVEY
(1) Check all applicable plumbing and electrical codes before installation. This will help to ensure that the system is installed in safe and suitable manner.
(2) Get a wiring schematic of the equipment that the Control Guard will connect to.
(3) Check to make sure that all functions of the equipment are operating properly. This may include; PLCs, timers, water solenoids, water level switch, and pump motor.
(4) Check the proposed location for a 115, or 230 VAC power source (based on the model you will be using).
(5) Check voltage of all signals that will be used. Measure voltage between the signal and signal common with a voltmeter. Do not check signal voltage between signal and earth ground.
(6) Check mounting location for chemical injection fittings. Verify the port size with fittings you have for installation.

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Control Guard ACCS Instructions

PRE-INSTALLATION CHECKLIST
Before beginning the installation, make sure you have the tools and materials listed below:

Flat and Phillips screwdrivers Drill and drill bits Wire cutters, wire strippers, and pliers Voltmeter (or multi-meter) Level

Suitable wire for power / signals (check local codes) Dry wall inserts and mounting screws Electrical tape and wire nuts Braided vinyl hose Chemical test kit

INSTALLATION

(1) Position level on wall at the desired mounting location.

(2) Draw line across top of level approximately 20″ long.

(3) Check that line is visible.

(4) Mark position of first hole for mounting screw.

(5) Use a tape measure and mark second hole at 17″.

(6) Drill 3/16″ holes in the two marked positions.

(7) Tap wall anchors into both holes.

(8) Insert screws into anchors leaving 1/4″ space.

(9) Hang unit on screws through the upper two keyholes.

(10) Mark position of lower two keyholes.

(11) Remove unit and drill holes for lower two positions.

(12) Insert anchors / screws as done in steps 7 and 8.

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Control Guard ACCS Instructions INSTALLATION

(13) Hang unit and tighten all four mounting screws.

(14) Loosen two cover screws.

(15) Pull gently on cover latch (right side) to open unit.

(16) Note the location of main power terminal block.

(17) Feed main power wires through conduit fitting.

(18) See main power connection details below.

Main Power Connection
Connect 115 VAC or 240 VAC power source to main power connection in pump cabinet. Use suitable conduit for electrical wiring (per applicable wiring codes). A suitable ground conductor should be connected to the ground terminal in accordance with local electrical codes. The user/installer should provide a disconnect switch or circuit breaker close to the equipment and should be marked that it is for this equipment.
Note: Make sure that all conduit connections are water tight.
Inductive Probe Installation (optional)
NOTE: Use only a 200 mS inductive probe (Knight P/N 6536034) with this unit. Control will not operate properly above 200 mS.
(1) The probe should be mounted in the washer tank with the hole oriented vertically. Start by feeding the wire end through the mounting hole from the inside of the tank. Use a rubber washer on the threaded mounting stud. Secure with the mounting nut on the outside of the tank.
(2) After the plastic probe body has been firmly secured to the mounting hole with a rubber washer and nut, feed the wire lead through a strain relief on the bottom of the Control Guard unit.
(3) With the wire lead routed through the strain relief, attach the four wires to the circuit board per the wiring diagram. The wire colors must match the colors shown on the terminal strip.
Peristaltic Pump Connections
(1) Cut a suitable length of 3/8″ ID braided tubing and connect between the discharge (right) side of the pump’s squeeze tube and the injection point. Use 3/8″ ID barb fittings (supplied) and hose clamps to secure safely.
(2) Cut a suitable length of 3/8″ ID braided tubing and connect between the suction (left) side of the pump’s squeeze tube and the chemical pickup tube. Use of barb fittings and hose clamps is recommended.
(3) Insert pickup tube into chemical container.

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Control Guard ACCS Instructions

PRIMING PUMPS
Use the and keys to highlight the pump you want to prime. Press the ENTER key.

PRIME PUMPS
CONFIGURATION DIAGNOSTICS

__ | | | ENTER

Use the keys directly below the START to turn the pump on and begin priming. When fully primed use the key directly below the STOP to turn the pump off. Repeat as necessary for other pumps.

PRIME

PUMP 1

START

EXIT

PRIME
PUMP 1
PUMP 2 PUMP 3
__ | | | ENTER

PRIMING

RUN=3

FM=0

0

PUMP 1

STOP

LANGUAGE SELECTION
To change the main home screen and first menu language from English to Spanish press the key directly below “IDIOMA”

11:42:12
PUMP 1

10/13/2015

__ | IDIOMA | MENU |

The first menu screen will also appear in Spanish for priming pumps. Use the and keys to highlight the pump you want to prime. Press the ENTER key.

PURGAR BOMBAS
CONFIGURACION
DIAGNOSTICS

__ | | SALIR | ENTRAR

PURGAR
PUMP 1
PUMP 2 PUMP 3
__ | | SALIR | ENTRAR

Use the keys directly below the START to turn the pump on and begin priming. When fully primed use the key directly below the STOP to turn the pump off. Repeat as necessary for other pumps.

PURGAR

PUMP 1

INICIAR

SALIR

PURGANDO

RUN=3

FM=0

0

PUMP 1

PARAR

To change back to English press the key directly below “LANG”.

11:42:12
PUMP 1

10/13/2015

__ | LANG | MENU |

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Control Guard ACCS Instructions

SYSTEM PROGRAMMING
The system operates using a 4 button key design. The key functions are controlled via the firmware and are specific to each screen. The main 4 keys are MENU, UP, DOWN and ENTER. The ENTER key is used to move the cursor and select within the menu functions. The UP and DOWN arrows are used to change a value. Changed values will be saved upon exiting the current menu function. The screen has 4 colors to easily identify the system status.
BLUE – Run Mode PURPLE – Programming Mode GREEN – Performing a Function RED – Error Display
Accessing the Programming Menus
When power is first applied you will see the screen showing the CONTROL GUARD name along with USB and firmware versions. You will then see the main run screen which shows the status of any pump action.
Press the MENU button to access the settings menu. Press the key to highlight CONFIGURATION. Press the ENTER key.

CONTROL GUARD
USB VERSION 1.0 FIRMWARE VERSION 1.0

11:42:12
PUMP 1

10/13/2015

__ | IDIOMA | MENU |

Password Protection
A private password protects the system settings and allows only authorized personnel to make programming changes.
To enter a private password, press ENTER key to move the cursor, then UP or DOWN to change the value. Once you press ENTER after the last digit it will take you to the next screen. The default code is: 0000.
If the wrong password is entered it will take you back to the main run screen. If you have forgotten your password, you can call Knight and give them the 4 digit bypass code and they can give you a one-time password.

PRIME PUMPS
CONFIGURATION
DIAGNOSTICS
__ | | EXIT | ENTER
MAIN:V1.00 I/O:V1.00 ENTER PASSWORD ———————————-
0000

3988
__ | | EXIT | ENTER

4 digit bypass code

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Control Guard ACCS Instructions

SYSTEM SETTINGS MENU
Use the and key to highlight SYSTEM SETTINGS, then press ENTER.

SYSTEM SETTINGS
SENSOR SETTINGS
PUMP SETTINGS

__ | | EXIT | ENTER

USB Functions
Use the USB FUNCTIONS to save reports, download a setup file created on the PC application to the machine, upload a setup file created on the machine to save in the PC application, or to clear report data.

USB FUNCTIONS
SYSTEM ID = 00 DATE & TIME PASSWORD UNITS = U.S. OZS LOAD DEFAULTS

Saving Reports

__ | | EXIT | ENTER

With SAVE REPORT TO USB highlighted press the enter key. You can then choose your start and end dates followed by pressing ENTER. The screen will change to light green while the report is being saved.

MM/DD/YYYY
START 09/01/2015

END 09/30/2015

_____ | ||

SAVE REPORT TO USB
LOAD SETUP FROM USB SAVE SETUP TO USB CLEAR REPORT DATA
_____ | | EXIT | ENTER
SAVING REPORT

Loading Setup
With LOAD SETUP FROM USB highlighted press the enter key. The screen will change to light green and ask if you are sure you want to load the setup file from the USB. Press the YES key to load the setup file. Press the NO key to cancel.
NOTE: The system will search the USB drive for the setup file with the matching SYSTEM ID. If the SYSTEM ID does not match you will get an error screen. See error screen messages on the following page for details.

SAVE REPORT TO USB
LOAD SETUP FROM USB
SAVE SETUP TO USB CLEAR REPORT DATA
_____ | | EXIT | ENTER

If you pressed the YES key you will see the following screens during the download. Once completed the system will return to the main menu screen (purple).

LOAD SETUP FROM USB ARE YOU SURE? YES NO
READING SETUP

SAVING SETUP

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Control Guard ACCS Instructions

Saving Setup
With SAVE SETUP TO USB highlighted press the enter key. The screen will change to light green and ask if you are sure you want to save the setup file to the USB. Press the YES key to save the setup file. Press the NO key to cancel.
If you pressed the YES key you will see the following screen during the download. Once completed the system will return to the main menu screen (purple).

SAVE REPORT TO USB LOAD SETUP FROM USB
SAVE SETUP TO USB
CLEAR REPORT DATA
_____ | | EXIT | ENTER

SAVE SETUP TO USB ARE YOU SURE?
YES NO
SAVING SETUP

Clear Report Data
With CLEAR REPORT DATA highlighted press the enter key. The screen will change to light green and ask if you are sure you want to clear data. Press the YES key to clear. Press the NO key to cancel.

SAVE REPORT TO USB LOAD SETUP FROM USB SAVE SETUP TO USB
CLEAR REPORT DATA

If you pressed the YES key you will see the following screen while clearing. Once completed the system will return to the main menu screen (purple).

_____ | | EXIT | ENTER

CLEAR REPORT DATA ARE YOU SURE?
YES NO

CLEARING REPORT DATA

USB Errors
If no USB device is installed during the loading or saving of a setup file you will get a “ERROR READING FILE” screen when loading or an “ERROR WRITING FILE” screen in red. Press any key to get back to the main menu. Check to make sure you installed a USB device.

ERROR READING FILE

ERROR WRITING FILE

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Control Guard ACCS Instructions

System ID

Use the ENTER key to move the cursor () to the setting you want to change. Use the and keys to make changes. Once you get to the last setting press
the ENTER key to save and exit to the main menu. Use the MENU key to exit without saving. See page 25 for details on System ID.

USB FUNCTIONS
SYSTEM ID = 00
DATE & TIME PASSWORD UNITS = U.S. OZS LOAD DEFAULTS
__ | | EXIT | ENTER

SYSTEM ID = 00

_____ | ||

Date & Time
Use the ENTER key to move the cursor () to the setting you want to change. Use the and keys to make changes. Once you get to the last setting press the ENTER key to save and exit to the main menu. Use the MENU key to exit without saving.

USB FUNCTIONS SYSTEM ID = 00
DATE & TIME
PASSWORD UNITS = U.S. OZS LOAD DEFAULTS
__ | | EXIT | ENTER

MM/DD/YYYY
10/15/2015 THURSDAY

11:15:09
_____ | ||

Password
To change the private password, press ENTER key to move the cursor, then UP or DOWN to change the value. Once you press ENTER after the last digit it will take you to the next screen. The default code is: 0000. Use the MENU key to exit without saving.

USB FUNCTIONS SYSTEM ID = 00 DATE & TIME
PASSWORD
UNITS = U.S. OZS LOAD DEFAULTS
__ | | EXIT | ENTER

PASSWORD ———————————-
0000

____ | ||

Units
To select the units of measure use the keys directly below the “METRIC” or “U.S. OZS”. Once selected you will return to the settings screen.

USB FUNCTIONS SYSTEM ID = 00 DATE & TIME PASSWORD
UNITS = U.S. OZS
LOAD DEFAULTS

__ | | EXIT | ENTER

UNIT OF MEASURE
METRIC U.S. OZS

Load Defaults
To load default settings use the keys directly below the “YES” and “NO”. Once selected the system will restore all settings to their default values.

USB FUNCTIONS SYSTEM ID = 00 DATE & TIME PASSWORD UNITS = U.S. OZS
LOAD DEFAULTS

__ | | EXIT | ENTER

LOAD DEFAULTS YES NO

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Control Guard ACCS Instructions

SENSOR SETTINGS MENU
Highlight SENSOR SETTINGS, then press ENTER. Use and to highlight the probe you wish to change, then press ENTER.
Choose the MORE SETTINGS option to skip the probe settings and go directly to analog inputs.

SYSTEM SETTINGS
SENSOR SETTINGS
PUMP SETTINGS
__ | | EXIT | ENTER

SENSOR SETTINGS
PROBE 1
PROBE 2 PROBE 3 MORE SETTINGS
__ | | | ENTER

Probe Name
This setting allows you to change the name of each probe independently. You have a maximum of 12 characters. Use and to change the letters of the probe name, then press ENTER.

PROBE 1 SETTINGS
PROBE 1

__ | | | ENTER

PROBE 1
NAME=PROBE 1

__ | | | ENTER

Analog Inputs
Use and to highlight the analog input you wish to change, then press ENTER.

SENSOR SETTINGS
ANALOG 1
ANALOG 2 ANALOG 3

__ | | | ENTER

Analog Name
This setting allows you to change the name of each analog input independently. You have a maximum of 12 characters. Use and to change the letters of the input, then press ENTER.

ANALOG 1 SETTINGS
ANALOG 1
ENG. UNITS: 4MA=0000.000
20MA=0000..000

__ | | | ENTER

ANALOG 1
NAME=ANALOG 1

__ | | | ENTER

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Control Guard ACCS Instructions

Engineering Units
If using an analog sensor, you can specify what units that the device measures (pH for example). Use and to change the letters of the engineering units, then press ENTER.

ANALOG 1 SETTINGS ANALOG 1
ENG. UNITS:
4MA=0000.000
20MA=0000..000

__ | | | ENTER

4mA
To change the 4mA setting use the and keys to move the cursor () to the number you want to change. Use the key to change the number. Once you have reached the last number press the key one more time to save and exit back to the settings menu. Use the EXIT key to exit without saving.

ANALOG 1 SETTINGS ANALOG 1 ENG. UNITS:
4 MA=0000.000
20 MA=0000..000
__ | | | ENTER

20mA
To change the 20 mA setting use the and keys to move the cursor () to the number you want to change. Use the key to change the number. Once you have reached the last number press the key one more time to save and exit back to the settings menu. Use the EXIT key to exit without saving.

ANALOG 1 SETTINGS ANALOG 1 ENG. UNITS: 4 MA=0000.000
20 MA=0000..000
__ | | | ENTER

ENG. UNITS:

__ | | | ENTER
ANALOG 1 SETTINGS
4MA=0000.000

__ | | | ENTER
ANALOG 1 SETTINGS
20MA=0000.000

__ | | | ENTER

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Control Guard ACCS Instructions

PUMP SETTINGS MENU
Use the and key to highlight PUMP SETTINGS, then press ENTER.

SYSTEM SETTINGS SENSOR SETTINGS
PUMP SETTINGS

Prime Pumps
Use the and keys to highlight the pump you want to prime. Press the ENTER key.

__ | | EXIT | ENTER
PRIME PUMPS
CALIBRATE PUMPS PUMP 1 PUMP 2 PUMP 3
__ | | | ENTER

Use the keys directly below the START to turn the pump on and begin priming. When fully primed use the key directly below the STOP to turn the pump off. Repeat as necessary for other pumps.

PRIME

PUMP 1

START

EXIT

PRIME
PUMP 1
PUMP 2 PUMP 3
__ | | | ENTER

PRIMING

RUN=3

FM=0

0

PUMP 1

STOP

Calibrate Pumps
To calibrate the pumps use the keys directly below the pump you wish to calibrate to select.
Press the key directly below “START” to turn the pump on. Allow to run for at least 10 seconds while capturing output in measurement vessel. Press the key directly below “STOP” to turn the pump off. Once complete it will advance to the next screen.

PRIME PUMPS
CALIBRATE PUMPS
PUMP 1 PUMP 2 PUMP 3
__ | | | ENTER

NOTE: you have a maximum pump calibration ON time of 2 minutes.

00000 MLU

00000MLP

CALIBRATE

PUMP 1

START

EXIT

CALIBRATE
PUMP 1
PUMP 2 PUMP 3
__ | | | ENTER

00000 MLU

00000MLP

CALIBRATING

RUN=3

FM=0

0

PUMP 1

STOP

To enter the volume dispensed use the ENTER key to move the cursor () to the number you want to change. Use the and keys to change the number. Once you have reached the last number press the ENTER key one more time to save and exit back to the settings menu. Use the MENU key to exit without saving. Repeat for other pumps.

PUMP 1
VOLUME=000.0
__ | | | ENTER

PUMP 1
060.0 OZS/MIN 00527 MLU 00000 MLP
__ | MENU | ENTER

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Control Guard ACCS Instructions

Pump Settings
Use the and highlight the pump you wish to change, then press ENTER.

PRIME PUMPS CALIBRATE PUMPS
PUMP 1
PUMP 2 PUMP 3

__ | | | ENTER

Pump Name
To change pump names use the ENTER key to move the cursor () to the letter you want to change. Use the and keys to change the letter. Once you have reached the last letter press the ENTER key one more time to save and exit back to the settings menu. Use the MENU key to exit without saving.
NOTE: You have a maximum of 12 characters for each chemical name.
Pump Mode
None is the default value and must be changed to one of the four available modes for the pump to operate.
Relay Signal Repeat Cycle Probe

PUMP 1 SETTINGS
NAME=PUMP 1
MODE=NONE
__ | | | ENTER
PUMP 1 SETTINGS NAME=PUMP 1
MODE=NONE
__ | | | ENTER

Relay Mode
Use the and key to highlight RELAY, then press ENTER.

PUMP 1 SETTINGS NAME=PUMP 1
MODE=RELAY
SIGNAL=0 METERING=TIME MORE SETTINGS
__ | | | ENTER

PUMP 1
NAME=PUMP 1

__ | | | ENTER
PUMP 1
MODE=NONE

__ | | | ENTER

Signal
This setting tells the system which of the available signal inputs will be used to activate the pump.
Metering
This setting is used to select between time or flow meter based metering of the chemicals. When time is selected, the system will run the pumps based on the flow rate calibrated for a specific amount of time. When flow meter is selected, the pump delivery will be monitored by the flow meter to ensure that the correct amount of chemical is dispensed.

PUMP 1 SETTINGS NAME=PUMP 1 MODE=RELAY
SIGNAL=0
METERING=TIME MORE SETTINGS
__ | | | ENTER
PUMP 1 SETTINGS NAME=PUMP 1 MODE=RELAY SIGNAL=0
METERING=TIME
MORE SETTINGS
__ | | | ENTER

PUMP 1
SIGNAL=0

__ | | | ENTER
PUMP 1
METERING=TIME

__ | | | ENTER

Version: C2 (Manual #0901180)

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DC Speed
This setting allows you to control the speed of the pump to match the requirements of the application.
NOTE: This is only for the cover mounted peristaltic pumps.

PUMP 1 SETTINGS
DC SPEED=100%
TIMEOUT=000 SECS SENSOR=NONE
__ | | | ENTER

Timeout
To change the timeout setting use the and keys to move the cursor () to the number you want to change. Use the key to change the number. Once you have reached the last number press the key one more time to save and exit back to the settings menu. Use the EXIT key to exit without saving.

PUMP 1 SETTINGS DC SPEED=100%
TIMEOUT=000 SECS
SENSOR=NONE
__ | | | ENTER

PUMP 1
DC SPEED=100%

__ | | | ENTER
PUMP 1
TIMEOUT=000 SECS

__ | | | ENTER

Sensor
This setting tells the system which of the available sensor inputs will be used with the pump.

PUMP 1 SETTINGS DC SPEED=100% TIMEOUT=000 SECS
SENSOR=NONE
__ | | | ENTER

PUMP 1
SENSOR=NONE

__ | | | ENTER

Signal Mode
This mode of operation runs the pump to deliver a single dosage of chemical when triggered by an input signal.

PUMP 1 SETTINGS NAME=PUMP 1
MODE=SIGNAL
SIGNAL=0 METERING=TIME MORE SETTINGS
__ | | | ENTER

Signal
This setting tells the system which of the available signal inputs will be used to activate the pump.

PUMP 1 SETTINGS NAME=PUMP 1 MODE=SIGNAL
SIGNAL=0
METERING=TIME MORE SETTINGS
__ | | | ENTER

PUMP 1
SIGNAL=0

__ | | | ENTER

Metering
This setting is used to select between time or flow meter based metering of the chemicals. When time is selected, the system will run the pumps based on the flow rate calibrated for a specific amount of time. When flow meter is selected, the pump delivery will be monitored by the flow meter to ensure that the correct amount of chemical is dispensed.

PUMP 1 SETTINGS NAME=PUMP 1 MODE=SIGNAL SIGNAL=0
METERING=TIME
MORE SETTINGS
__ | | | ENTER

PUMP 1
METERING=TIME

__ | | | ENTER

Version: C2 (Manual #0901180)

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DC Speed
This setting allows you to control the speed of the pump to match the requirements of the application.

PUMP 1 SETTINGS
DC SPEED=100%
VOLUME=0000.0 OZS DELAY=00 SECS LOCKOUT=00 MINS MORE SETTINGS
__ | | | ENTER

Volume
To change the volume setting use the and keys to move the cursor () to the number you want to change. Use the key to change the number. Once you have reached the last number press the key one more time to save and exit back to the settings menu. Use the EXIT key to exit without saving.

PUMP 1 SETTINGS DC SPEED=100%
VOLUME=0000.0 OZS
DELAY=00 SECS LOCKOUT=00 MINS MORE SETTINGS
__ | | | ENTER

Delay
To change the delay setting use the and keys to move the cursor () to the number you want to change. Use the key to change the number. Once you have reached the last number press the key one more time to save and exit back to the settings menu. Use the EXIT key to exit without saving.

PUMP 1 SETTINGS DC SPEED=100% VOLUME=0000.0 OZS
DELAY=00 SECS
LOCKOUT=00 MINS MORE SETTINGS
__ | | | ENTER

Lockout
To change the lockout setting use the and keys to move the cursor () to the number you want to change. Use the key to change the number. Once you have reached the last number press the key one more time to save and exit back to the settings menu. Use the EXIT key to exit without saving.

PUMP 1 SETTINGS DC SPEED=100% VOLUME=0000.0 OZS DELAY=00 SECS
LOCKOUT=00 MINS
MORE SETTINGS
__ | | | ENTER

Sensor
This setting tells the system which of the available sensor inputs will be used with the pump.

PUMP 1 SETTINGS
SENSOR=NONE

__ | | | ENTER

PUMP 1
DC SPEED=100%

__ | | | ENTER
PUMP 1
VOLUME=0000.0 OZS

__ | | | ENTER
PUMP 1
DELAY=00 SECS

__ | | | ENTER
PUMP 1
LOCKOUT=00 MINS

__ | | | ENTER
PUMP 1
SENSOR=NONE

__ | | | ENTER

Version: C2 (Manual #0901180)

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Control Guard ACCS Instructions

Repeat Cycle Mode
Use the and key to highlight REPEAT CYCLE, then press ENTER.

PUMP 1 SETTINGS NAME=PUMP 1
MODE=REPEAT CYCLE
SIGNAL=0 METERING=TIME MORE SETTINGS
__ | | | ENTER

Signal
This setting tells the system which of the available signal inputs will be used to activate the pump.
Metering
This setting is used to select between time or flow meter based metering of the chemicals. When time is selected, the system will run the pumps based on the flow rate calibrated for a specific amount of time. When flow meter is selected, the pump delivery will be monitored by the flow meter to ensure that the correct amount of chemical is dispensed.

PUMP 1 SETTINGS NAME=PUMP 1 MODE=REPEAT CYCLE
SIGNAL=0
METERING=TIME MORE SETTINGS
__ | | | ENTER
PUMP 1 SETTINGS NAME=PUMP 1 MODE=REPEAT CYCLE SIGNAL=0
METERING=TIME
MORE SETTINGS
__ | | | ENTER

DC Speed
This setting allows you to control the speed of the pump to match the requirements of the application.

PUMP 1 SETTINGS
DC SPEED=100%
CHRG VOL=0000.0 OZS RECHRG TIME=000 MINS RCHRG VOL=0000.0 OZS MORE SETTINGS
__ | | | ENTER

PUMP 1
SIGNAL=0

__ | | | ENTER
PUMP 1
METERING=TIME

__ | | | ENTER
PUMP 1
DC SPEED=100%

__ | | | ENTER

Version: C2 (Manual #0901180)

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Control Guard ACCS Instructions

Charge Volume
With CHARGE VOL selected, press the ENTER key. To change the charge volume setting use the and keys to move the cursor () to the number you want to change. Use the key to change the number. Once you have reached the last number press the key one more time to save and exit back to the settings menu. Use the EXIT key to exit without saving.

PUMP 1 SETTINGS DC SPEED=100%
CHRG VOL=0000.0 OZS
RECHRG TIME=000 MINS RCHRG VOL=0000.0 OZS MORE SETTINGS
__ | | | ENTER

PUMP 1
CHRG VOL=0000.0 OZS

__ | | | ENTER

Recharge Time
To change the recharge time use the and keys to move the cursor () to the number you want to change. Use the key to change the number. Once you have reached the last number press the key one more time to save and exit back to the settings menu. Use the EXIT key to exit without saving.

PUMP 1 SETTINGS DC SPEED=100% CHRG VOL=0000.0 OZS
RECHRG TIME=000 MINS
RCHRG VOL=0000.0 OZS MORE SETTINGS
__ | | | ENTER

PUMP 1
RECHRG TIME=000 MINS

__ | | | ENTER

Recharge Volume

With RECHARGE VOL selected press the ENTER
key. To change the recharge setting use the and keys to move the cursor () to the number you want to change. Use the key to change the number. Once you have reached the last number press the key one more time to save and exit back to the settings menu. Use the EXIT key to exit without saving.

PUMP 1 SETTINGS DC SPEED=100% CHRG VOL=0000.0 OZS RECHRG TIME=000 MINS
RCHRG VOL=0000.0 OZS
MORE SETTINGS
__ | | | ENTER

NOTE: Each pump can have independent recharge settings for each chemical.

Reset Delay
This setting allows the signal to turn off for a specified time and continue normal operation if the signal turns back on within this timeframe. If the signal turns off for longer than this setting, then the system will restart the operation cycle with a new initial charge and ongoing recharges.

PUMP 1 SETTINGS
RESET DELAY=000 MINS
SENSOR=NONE
__ | | | ENTER

PUMP 1
RCHRG VOL=0000.0 OZS

__ | | | ENTER
PUMP 1
RESET DELAY=000 MINS

__ | | | ENTER

Sensor
This setting tells the system which of the available sensor inputs will be used with the pump.

PUMP 1 SETTINGS RESET DELAY=000 MINS
SENSOR=NONE
__ | | | ENTER

PUMP 1
SENSOR=NONE

__ | | | ENTER

Version: C2 (Manual #0901180)

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Control Guard ACCS Instructions

Probe Mode
Use the and key to highlight PROBE, then press ENTER.

PUMP 1 SETTINGS NAME=PUMP 1
MODE=PROBE
SIGNAL=0 METERING=TIME MORE SETTINGS
__ | | | ENTER

Signal
This setting tells the system which of the available signal inputs will be used to activate the pump.

PUMP 1 SETTINGS NAME=PUMP 1 MODE=PROBE
SIGNAL=0
METERING=TIME MORE SETTINGS
__ | | | ENTER

Metering
This setting is used to select between time or flow meter based metering of the chemicals. When time is selected, the system will run the pumps based on the flow rate calibrated for a specific amount of time. When flow meter is selected, the pump delivery will be monitored by the flow meter to ensure that the correct amount of chemical is dispensed.

PUMP 1 SETTINGS NAME=PUMP 1 MODE=PROBE SIGNAL=0
METERING=TIME
MORE SETTINGS
__ | | | ENTER

PUMP 1
SIGNAL=0

__ | | | ENTER
PUMP 1
METERING=TIME

__ | | | ENTER

DC Speed
This setting allows you to control the speed of the pump to match the requirements of the application.

PUMP 1 SETTINGS
DC SPEED=100%
SENSOR=NONE SETPOINT=0000.000MS PROBE MODE=RISING MORE SETTINGS
__ | | | ENTER

PUMP 1
DC SPEED=100%

__ | | | ENTER

Sensor
This setting tells the system which of the available sensor inputs will be used with the pump.

PUMP 1 SETTINGS DC SPEED=100%
SENSOR=NONE
SETPOINT=0000.000MS PROBE MODE=RISING MORE SETTINGS
__ | | | ENTER

PUMP 1
SENSOR=NONE

__ | | | ENTER

Version: C2 (Manual #0901180)

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Control Guard ACCS Instructions

Setpoint
To change the concentration setpoint use the and keys to move the cursor () to the number you want to change. Use the key to change the number. Once you have reached the last number press the key one more time to save and exit back to the settings menu. Use the EXIT key to exit without saving.

PUMP 1 SETTINGS DC SPEED=100% SENSOR=NONE
SETPOINT=0000.000MS
PROBE MODE=RISING MORE SETTINGS
__ | | | ENTER

PUMP 1
SETPOINT=0000.0000MS

__ | | | ENTER

Probe Mode
Sets the pump to turn on so that it will either “Rise” up to the setpoint (then turn off) or turn on to “Fall” down to the setpoint (then turn off).
Use the key directly below RISING or below FALLING to make your choice. Then press ENTER to continue.

PUMP 1 SETTINGS DC SPEED=100% SENSOR=NONE SETPOINT=0000.000MS
PROBE MODE=RISING
MORE SETTINGS
__ | | | ENTER

Alarm Delay
To change the alarm delay use the and keys to move the cursor () to the number you want to change. Use the key to change the number. Once you have reached the last number press the key one more time to save and exit back to the settings menu. Use the EXIT key to exit without saving.

PUMP 1 SETTINGS
ALARM DELAY=000 SECS
FEED LIMIT=OFF PULSE %=10 PULSE ON=3 SECS MORE SETTINGS
__ | | | ENTER

Feed Limit
Use the key directly below ON to turn the feature on (or below OFF to turn the feature off). Then press ENTER to continue.

PUMP 1 SETTINGS ALARM DELAY=000 SECS
FEED LIMIT=OFF
PULSE %=10 PULSE ON=3 SECS MORE SETTINGS
__ | | | ENTER

PUMP 1
PROBE MODE RISING FALLING

PUMP 1
ALARM DELAY=000 SECS

__ | | | ENTER

PUMP 1
FEED LIMIT

ON

OFF

Pulse %
This setting tells the system when to begin pulse feeding; specifically at what percent of the setpoint you have established.

PUMP 1 SETTINGS ALARM DELAY=000 SECS FEED LIMIT=OFF
PULSE %=10
PULSE ON=3 SECS MORE SETTINGS
__ | | | ENTER

PUMP 1
PULSE %=10

__ | | | ENTER

Pulse On
This setting controls how long the pump will be ON during the pulse feed stage of operation.

PUMP 1 SETTINGS ALARM DELAY=000 SECS FEED LIMIT=OFF PULSE %=10
PULSE ON=3 SECS
MORE SETTINGS
__ | | | ENTER

PUMP 1
PULSE ON=3 SECS

__ | | | ENTER

Version: C2 (Manual #0901180)

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Control Guard ACCS Instructions

Pulse Off
This setting controls how long the pump will be OFF during the pulse feed stage of operation.

PUMP 1 SETTINGS
PULSE OFF=5 SECS
TEMP. MIN=000.0F TEMP. MAX=000.0F

__ | | | ENTER

PUMP 1
PULSE OFF=5 SECS

__ | | | ENTER

Temp Min
Specify the minimum operating temperature. If the temperature falls below this value, a warning will be displayed on the front panel and the error will be recorded into the report memory.

PUMP 1 SETTINGS PULSE OFF=5 SECS
TEMP. MIN=000.0F
TEMP. MAX=000.0F
__ | | | ENTER

PUMP 1
TEMP. MIN=000.0F

__ | | | ENTER

Temp Max
Specify the maximum operating temperature. If the temperature rises above this value, a warning will be displayed on the front panel and the error will be recorded into the report memory.

PUMP 1 SETTINGS PULSE OFF=5 SECS TEMP. MIN=000.0F
TEMP. MAX=000.0F
__ | | | ENTER

PUMP 1
TEMP. MAX=000.0F

__ | | | ENTER

DIAGNOSTICS
Use the and key to highlight DIAGNOSTICS, then press ENTER.
Use the and key to browse through the four diagnostic display screens listed below.

PRIME PUMPS CONFIGURATION
DIAGNOSTICS
__ | | EXIT | ENTER

Signal Inputs Low Level Inputs Probe Readings Analog Readings

SIGNALS S1 OFF S2 OFF
S3 OFF

LOW LEVEL L1 OFF L2 OFF L3 OFF

__ | | |

__ | | |

When finished, press the key to return to normal pump operation.

PROBE READINGS

P1 0.0 MS

0.0F

P2 0.0 MS

0.0F

P3 0.0 MS

0.0F

ANALOG READINGS A1 0.0 A2 0.0 A3 0.0

__ | | |

__ | | |

Version: C2 (Manual #0901180)

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OPERATION ERROR SCREENS
Missing Calibration Error
If any of the pumps are not calibrated prior to operation you will get a “CALIBRATE PUMP” error screen in red showing which pump is missing the calibration. Press any key to continue. Go into the main menu and calibrate pumps.
Flow Meter Error
The screen will show which pump has a flow meter error. You can disable the flow meter to allow the pump to operate in time mode while the problem is being rectified.

Probe Error This display indicates that one of the probes connected to the system is not recognized. Check wiring from the probe to the main control board.
Low Level Error When a chemical container is low (or empty) this message will indicate which pump is affected.
Temperature Error This display will show if the temperature is out of range (low or high) for any chemical that temperature monitoring is enabled.
I/O Communication Error If the I/O board is not detected during advanced system operation you will get an “I/O COMMUNICATION ERROR” screen in red.

Version: C2 (Manual #0901180)

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Control Guard ACCS Instructions
PUMP NAME CALIBRATE PUMP
PUMP NAME FLOW METER ERROR
DISABLE FLOW METER?
PROBE ERROR
LOW LEVEL
TEMPERATURE
I/O COMMUNICATION
ERROR
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Control Guard ACCS Instructions SYSTEM DIMENSIONS
Main Cabinet (all models)

Version: C2 (Manual #0901180)

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Control Guard ACCS Instructions

WIRING DIAGRAM (115VAC)

Version: C2 (Manual #0901180)

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Control Guard ACCS Instructions

WIRING DIAGRAM (230VAC)

Version: C2 (Manual #0901180)

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Control Guard ACCS Instructions

WIRING DIAGRAM FOR CONNECTING SIGNAL INPUTS

Version: C2 (Manual #0901180)

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Control Guard ACCS Instructions

WIRING DIAGRAM FOR CONNECTING REMOTE INPUT SIGNALS

Version: C2 (Manual #0901180)

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Control Guard ACCS Instructions
WIRING DIAGRAM FOR CONNECTING A LOW LEVEL SWITCH

Note: the low level inputs are for dry contacts (no voltage)

Version: C2 (Manual #0901180)

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Control Guard ACCS Instructions

WIRING DIAGRAM FOR CONNECTING KNIGHT INDUCTIVE PROBES (PN 6536033)

Version: C2 (Manual #0901180)

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Control Guard ACCS Instructions
WIRING DIAGRAM FOR CONNECTING A 4-20MA DEVICE

Version: C2 (Manual #0901180)

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Control Guard ACCS Instructions

Version: C2 (Manual #0901180)

WIRING DIAGRAM FOR CONNECTING ELECTRIC PUMP/VALVE (KNIGHT EDP PUMP DETAILED)

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Control Guard ACCS Instructions

EXPLODED VIEWS

Version: C2 (Manual #0901180)

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Control Guard ACCS Instructions

EXPLODED VIEWS

Version: C2 (Manual #0901180)

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Control Guard ACCS Instructions

EXPLODED VIEWS

Version: C2 (Manual #0901180)

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Control Guard ACCS Instructions

EXPLODED VIEWS

Version: C2 (Manual #0901180)

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Control Guard ACCS Instructions

EXPLODED VIEWS

Version: C2 (Manual #0901180)

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Control Guard ACCS Instructions

EXPLODED VIEWS

Version: C2 (Manual #0901180)

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Control Guard ACCS Instructions

EXPLODED VIEWS

Version: C2 (Manual #0901180)

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Control Guard ACCS Instructions TROUBLESHOOTING

Symptom

Indication

No Power

Blank (black) display

Things to Check
Verify main supply voltage Verify power cord plugged into outlet Verify main power to main terminal block both before and after the fuse Verify 5A fuse not blown

Calibration error

Red display with error message Calibrate pump per steps in programming section

Flow-meter error

Red display with error message

Chemical container empty Air in chemical lines Debris in flow meter Loose flow meter wires

Probe error

Red display with error message

Loose probe wires Defective probe

Low level error

Red display with error message

Chemical container empty Loose wires on float switch Float on switch is stuck / jammed

Temperature error

Red display with error message

Solution tank is too hot or too cold Defective probe

I/O communication error

Red display with error message

Loose wires between main control and I/O boards Defective main control board Defective I/O board

Version: C2 (Manual #0901180)

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Control Guard ACCS Instructions

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DISCLAIMER
Knight LLC does not accept responsibility for the mishandling, misuse, or non- performance of the described items when used for purposes other than those specified in the instructions. For hazardous materials information consult label, MSDS, or Knight LLC. Knight products are not for use in potentially explosive environments. Any use of our equipment in such an environment is at the risk of the user, Knight does not accept any liability in such circumstances.
FOOTNOTE
The information and specifications included in this publication were in effect at the time of approval for printing. Knight LLC reserves the right, however, to discontinue or change specifications or design at any time without notice and without incurring any obligation whatsoever.
WARRANTY
For complete product terms and conditions scan the QR code below or enter the following URL into your browser: http://cfstech.info/t-and-c
SCAN
KNIGHT LLC
KNIGHT LLC
KNIGHT LLC is part of the CFS Technologies family of brands. www.knightequip.com | cfstech.com
8504 MacArthur Dr., North Little Rock, AR 72118 USA · 501-895-2820 | 800-999-2820 General: sales@cfstech.com | Tech. Assist.: techsupport@cfstech.com 42

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