HEATCRAFT 25011701 Universal Field Mount Refrigeration Controller User Guide

HEATCRAFT 25011701 Universal Field Mount Refrigeration Controller

Product Information

Specifications

• Product Name : Universal Field-Mount Refrigeration Controller
• Model : intelligent Field Mount (iFM) Kit
• Part Number: 25011701
• Application : Designed for new unit coolers without factory-mounted controls or retrofit of existing unit coolers with mechanical control to electronic control
• Mounting : Can be remotely mounted away from the unit cooler
• Housing : IP65-rated housing for both indoor and outdoor applications

Components Included:

• intelliGen controller
• 3 temperature sensors
• 1 pressure transducer with wire harness
• 1 terminal board
• Mounting accessories

Components Not Included:
The following components are not included in the kit but are required for each installation:

• 24VAC control power transformer
• Electronic expansion valve (EXV)
• Field wires for control power, fan motors, defrost heaters, and solenoid valve

Installation Requirements:
Field wire runs between the intelliGen controller and the unit cooler should be in conduits and have to meet local building andelectric code requirements. Conduit fittings are needed for the conduit runs. Please conduct a site survey and review your local codes for detailed requirements prior to installation.

Contact Information:

U.S. Customer Service:

• Normal Business Hours: 8:00 AM – 8:00 PM EDT
• Phone : 800.537.7775
• Email : [email protected]

After Hours:

• Phone: 877.482.7238

Additional System Dependent Parts:
To ensure proper iFM installation, make sure you have compatible versions of the following parts for your system:

Part #| Electric Expansion Valves (EXV)| Evaporator Condition| Connection Size| Capacity (BTUH)| SST – Saturated Suction Temperature
---|---|---|---|---|---
29326101| 3/8 x 3/8| 12,000| 11,000
29326201| 3/8 x 3/8| 52,000| 48,000
29326401| 5/8 x 5/8| 78,000| 71,000
29326501| 7/8 x 1-3/8| 182,000| 167,000
29326601| 7/8 x 1-3/8| 269,000| 246,000

Recommended Tools for Installation:

• Power drill & drill bits
• 5/16 nut driver
• 7/16 & 5/8 wrenches
• Phillips screwdriver
• Precision slotted screwdriver
• Slotted screwdriver
• 5/32 Hex (Allen) key
• Wire stripper/crimper

Product Usage Instructions

Step 1: Preparing for Installation

1. Review your local building and electric code requirements for field wire runs and conduit fittings.
2. Gather the additional system-dependent parts required for installation, including the compatible electric expansion valve (EXV), 24VAC control power transformer, and field wires for power, fan motors, defrost heaters, and solenoid valve.
3. Ensure you have the recommended tools for installation.

Step 2: Mounting the intelligent Controller

4. Select a convenient location away from the unit cooler to mount the intelligent controller.
5. Use the provided mounting accessories to securely mount the controller.

Step 3: Wiring the Components

6. Connect the temperature sensors and pressure transducer to the intelligent controller using the provided wire harness.
7. Wire the 24VAC control power transformer to the intelligent controller.
8. Connect the field wires for control power, fan motors, defrost heaters, and solenoid valve as per your system requirements.

Step 4: Conduit Installation

9. Run conduit between the intelligent controller and the unit cooler, ensuring compliance with local building and electric code requirements.
10. Install conduit fittings as necessary for the conduit runs.

Step 5: Finalizing Installation

11. Double-check all connections and ensure they are secure.
12. Review the installation to ensure compliance with local codes and requirements.

Frequently Asked Questions

• Q: Are the system-dependent components included in the kit?
• A: No, the kit does not include system-dependent components such as the 24VAC control power transformer, electronic expansion valve (EXV), field wires for control power, fan motors, defrost heaters, and solenoid valve. These components need to be separately acquired for each installation.
• Q: What are the recommended tools for installation?
• A: The recommended tools for installation include a power drill with drill bits, a 5/16 nut driver, 7/16 and 5/8 wrenches, a Phillips screwdriver, a precision slotted screwdriver, a slotted screwdriver, a 5/32 Hex (Allen) key, a wire stripper/crimper.
• Q: How far can the temperature sensors and pressure transducer be from the intelligent controller?
• A: The temperature sensors and pressure transducer come with a 25-foot wire harness. If longer wire lengths are required, optional kits with different wire lengths are available.

Quick Start Guide

intelliGen™ Field Mount (iFM) Kit for Unit Coolers

• The intelliGen™ Field Mount Kit is designed to be installed in the field for new unit coolers without factory-mounted controls or retrofit of existing unit coolers with mechanical control to electronic control.
• The intelliGen control can be remotely mounted away from the unit cooler at a convenient location for easy access. It is pre-assembled in an IP65-rated housing for both indoor and outdoor applications. Components Included
• The iFM kit comes with the intelliGen controller, 3 temperature sensors, 1 pressure transducer with wire harness, 1 terminal board and mounting accessories. The temperature sensors and pressure transducer harness are 25 feet in length. Other wire lengths are available as an optional kit in separate part numbers.

Components Not Included
Individual system-dependent components are not included in the kit but are required for each installation. These components include the 24VAC control power transformer, the electronic expansion valve(EXV), the field wires for control power, fan motors, defrost heaters and the solenoid valve. Field wire runs between the intelliGen controller and the unit cooler should be in conduits and have to meet local building and electric code requirements. Conduit fittings are needed for the conduit runs. Please conduct a site survey and review your local codes for detailed requirements prior to installation.

U.S. CUSTOMER SERVICE
NORMAL BUSINESS HOURS  8:00 AM – 8:00 PM EDT800.537.7775 heatcraft.com/intelligen/support [email protected]

Additional system-dependent parts are required for proper iFM installation. Be sure you have a compatible version of the following parts for your system.

Electric Expansion Valves (EXV)

Evaporator Condition

Part #

| Connection Size| Capacity1 (BTUH) at 20°F SST2| Capacity1 (BTUH) at

-20°F SST2

29326101| 3/8″ x 3/8″| 12,000| 11,000
29326201| 3/8″ x 3/8″| 52,000| 48,000
29326401| 5/8″ x 5/8″| 78,000| 71,000
29326501| 7/8″ x 1-3/8″| 182,000| 167,000
29326601| 7/8″ x 1-3/8″| 269,000| 246,000

1. Capacities are based on the specific condition listed for R-448A, for reference only. For other conditions and refrigerants, use the QR code link below for the document to select the proper valve size.
2. SST – Saturated Suction Temperature

24V AC Transformer

Power Harnesses and Sensor Kits

Recommended Tools for Installation

• Power drill & drill bits
• 5/16” nut driver
• 7/16” & 5/8” wrenches
• Phillips screwdriver
• Precision slotted screwdriver
• Slotted screwdriver
• 5/32″ Hex (Allen) key
• Wire stripper/crimper

Components In Unit Cooler Installation

Remote Case Installation

Locate Remote iFM Mount Location

• Identify a flat surface to mount the iFM kit
• Prepare the mounting location and mark screw holes

Conduits & Wires Routing to Unit Cooler

1. Determine conduit routing based on application need Determine the knockouts on the iFM housing  for conduit routing
2. Determine the conduit fittings for connection
3. to the iFM housing and the unit cooler.
4. Run wires through the conduits and fittings.
5. Connect fittings to the conduits

Note : Low voltage and sensor wires are required to be inseparate conduit from the high voltage wires. Use wire sheathing provided to add additional protection.

Mount iFM Kit

1. Mount the iFM housing to the marked screw hole locations using #10 screws (provided)
2. Pull the wires through the knockouts on the iFM housing
3. Tighten the conduit fittings to the iFM housing

Note : The Electronic Expansion Valve (EXV) size varies by system capacity. Check system specification for proper valve size. Field installer to provide.

Suction Temperature Sensor
(Blue Wire, Included)

1. Braze the metal Suction Temp Sensor Tube onto the suction line
2. Insert the Temp Sensor into the metal tube
3. Wrap the Temp Sensor and the metal tube with Cork tapes
4. Secure the Temp Sensor with cable ties

Electronic Expansion Valve
(EXV, Not Included)

1. Field installer to provide an EXV matches the system capacity
2. Remove the EXV body from its power head
3. Braze the EXV body to connect between the distributor connection and the liquid line stub
4. Insert the power head back to the valve body and then connect the power head with harness

Coil Temperature Sensor
(Green Wire, Included)

1. Attach the Coil Temp Sensor into the channel of the mounting bracket
2. Screw tight the sensor bracket onto the coil end plate with the self-drilling screws provided

Room Temperature Sensor
(Yellow Wire, Included)

1. Drill two 1/4″ holes, 1 1/4″ apart at the return air area of the unit cooler
2. Insert the Room Temp Sensor bracket into the drilled holes
3. Secure the Temp Sensor to the bracket with cable ties

Pressure Transducer
(Included)

1. Locate the Schrader valve on the suction line
2. Screw the Pressure Transducer onto the Schrader valve
3. Plug in the pressure transducer harness. Make sure the harness clip is securely latched

Terminal Board
(Included)

1. Mount the terminal board to the electrical end of the unit cooler
2. Connect power wires (system power, control power, motor fans, defrost heaters and solenoid valve wires as needed)

Power Transformer
(Not Included)

1. Field installer to provide a step-down transformer from system voltage to 24VAC for control power
2. Mount the transformer to the electrical end of the unit cooler

THIS GUIDE INCLUDES YOUR iFM INSTALATION TEMPLATE.
Hold or tape the flattened Quick Start Guide to the wall and use light blue guidelines to mark your drill holes prior to installation. Install upper left PILOT screw first when mounting.

Note:
24VAC transformer varies by the system input voltage. Check system specification for proper transformer primary voltage. Field installer to provide.

intelliGen™ Refrigerator Controller

Connecting Wires to the intelliGenTM Control Board

Get to Know the intelliGen™ Refrigeration Controller

• LED Status Light Bar:
  Indicates the current status of all specific evaporators on the system (see below)

• OLED Screen:
  Displays temperature, parameters and other content.

• Menu Buttons:
  Back button to go back to Previous Menu. Home button to go back to Main Menu. Favorites button to go to your Favorites.

• Knob / Enter Button:
  Rotate the wheel left and right to navigate between Menu Options. Press the wheel to ENTER.

LED Status Bar

• Green Static
  The System or EV does not have any anomalies/issues.

• Red Static
  The System or EV has an Alarm.

  • Red Flashing
    The EV Unit where the Alarm originated.

• Yellow Static
  The System or EV has an Error.

  • Yellow Flashing
    The EV Unit where the Error originated.

• White Flashing
  The EV Unit is being identified.

• No LED On
  The EV Unit is currently powered or in service mode.

intelliGenTM Installation Resources & Operation Manual:
To find all intelliGen resources, including installation & operation manuals, technical bulletins, brochures, maintenance, troubleshooting information, and more, simply scan the QR code or use the link below.

www.intelliGencontrols.com/resources

References

• heatcraft.com
• intelliGen™ refrigeration control | The Hub

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