Cistermiser Easyflush EVO Infrared Flush Valve Instructions

: June 13, 2024
: Cistermiser

Table of Contents

Easyflush EVO Infrared Flush Valve
Product Information: EasyflushEVO
Supplied Parts
Optional Extras
Valve Operation
Valve Installation
EasyflushEVO Valve Set up
References
Read User Manual Online (PDF format)
Download This Manual (PDF format)

Easyflush EVO Infrared Flush Valve

Product Information: EasyflushEVO

The EasyflushEVO is an infrared activated non-touch siphon WC
flushing valve. It is available as a flush valve with a 1.5 or 2
outlet and as a flushing cistern. The valve can be activated
through wave (default) or walkaway gestures, which can be
configured during installation. The EasyflushEVO is designed for
easy installation and is equipped with various parts and optional
extras for customization.

Supplied Parts

EVO 1.5 / EVO 2
1 Outlet O-ring
2 Outlet 3 Outlet washer
4 Stem washer with boss
5 Outlet nut
6 Cap seal
7 Cap washer
8 Cap nut
9 Flush valve
10 IR Sensor unit
11 Sensor gasket
12 Sensor nut
13 Clamp plate
14 Screw packer
15 IR activation label (walk & wave)
16 Mains transformer
17 Clamp plate fixing screw
18 Mains transformer fixing screws
19 Battery case
20 Sticky pad

Optional Extras

Infrared Configuration Unit (ICU)
Multi Product Power Supply Unit (PSUC)
Side Front Adaptor (SFA)
Extension cable (IFS/10)

Valve Operation

The EasyflushEVO is a siphonic flushing valve. When activated,
the spill over level is lowered below the water line, initiating a
siphon and flushing the cistern. The flush is activated by the IR
Sensor unit, which can be configured to flush on a wave (default)
or flush when the user walks away. The valve has different flush
modes based on the gesture:

Wave (default): 1 sec wave for half flush, 2 sec wave for full
flush
Walk Away: Auto flush presence after 45 sec for full flush

The valve also has a memory flush feature, where if a flush is
activated while the cistern is refilling, the sensor will remember
the flush request and only activate when the cistern is full.

Valve Installation

Before installation, isolate mains power supply and water
supply.
Fit the cistern (only for EVO CISTERN) and ensure it is mounted
level.
Install the outlet fitting into the cistern.
Fit the EVO Flush Valve to the outlet in the cistern and secure
it by rotating clockwise.
Warning: The cistern must be level!

EasyflushEVO Valve Set up

Adjust the fill valve so that the water shuts off at the
indicated water level on the flush valve. This will determine the
full flush volume. The height of the EasyflushEVO flush valve water
level and the filling valve float level must be at the same
height.

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EasyflushEVO

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1. Introduction
EasyflushEVO is an infrared activated non-touch siphon WC flushing valve. Available as a flush valve with a 1.5″ or 2″ outlet and as a flushing cistern. Non-touch activation via wave (default) or walkaway is configurable during installation.

Supplied parts

EVO 1.5″ / EVO 2″

1 Outlet O-ring

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2 Outlet

3 Outlet washer

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4 Stem washer with boss

5 Outlet nut

6 Cap seal

7 Cap washer

8 Cap nut

9 Flush valve

10 IR Sensor unit

11 Sensor gasket

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12 Sensor nut

13 Clamp plate

4

14 Screw packer

15 IR activation label

walk & wave

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16 Mains transformer

17 Clamp plate fixing screw

18 Mains transformer fixing screws

19 Battery case

20 Sticky pad

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EVO CISTERN

1 Outlet O-ring

2 Outlet 3 Outlet washer 4 Outlet nut

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5 Cap seal

6 Cap washer

7 Cap nut 8 Flush valve

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9 Cistern

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11 Flush pipe 12 Inlet Valve 13 IR Sensor unit 14 Sensor gasket 15 Sensor nut 16 Clamp plate 17 Screw packer 18 IR activation label
walk & wave 19 Mains transformer

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20 Clamp plate fixing screw

21 Mains transformer fixing screws

22 Battery case

23 Sticky pad

Optional extras
Infrared Configuration Unit (ICU) Multi Product Power Supply Unit (PSUC) Side Front Adaptor (SFA) Extension cable (IFS/10)
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2. Valve Operation
EasyflushEVO is a siphonic flushing valve. When a flush is activated the spill over level is lowered below the water line initiating a siphon and flushing the cistern.

Idle position

Flush position

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The flush is activated by the IR Sensor unit. This can be configured to flush on a wave (default) or flush when the user walks away:

Wave (default):

Walk Away:

To Flush 1 sec Wave = Half Flush 2 sec Wave = Full Flush

Auto Flush Presence <45 sec = Half Flush

Presence >45 sec = Full Flush
Memory Flush: If a flush is activated while the cistern is refilling, the sensor will remember the flush request and only activate when the cistern is full (to set refill time see page 12). This is indicated by three rising green LEDs.

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3. Valve Installation
Before commencing installation, isolate mains power supply and water supply.

Fit Cistern (Cistern supplied with EVO CISTERN only). Ensure cistern is mounted level.

Install Outlet fitting into Cistern.

Fit EVO Flush Valve to Outlet in cistern. Secure by rotating clockwise.

WARNING: Cistern must be level!
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4. EasyflushEVO Valve Set up
Ensure the fill valve is adjusted so the water shuts off at the indicated water level on the flush valve. This is your full flush volume. The height of the EasyflushEVO flush valve water level and the filling valve float level must be at the same height.
To adjust EasyflushEVO Fill Valve rotate the adjuster at top of valve

EasyflushEVO Flush Valve water level

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To adjust height of EasyflushEVO Flushing Valve rotate upper body clockwise to release.

Adjust
Lift or lower upper body to adjust height.

Lock Rotate anticlockwise to lock.

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5. Sensor Positioning
EasyflushEVO can be operated by Wave activation (default) or Walkaway activation. The installed position of the sensor will depend on your flush activation setting (see below). Wave activation is the default setting and the WC will flush when the user’s hand is placed in front of the sensor. Alternatively, with the Walkaway activation setting, the WC will automatically flush when the user leaves the cubicle. See Config in section 12 to change the sensor activation from Wave to Walkaway.

Exposed installation
Cistern mounted sensor (Wave activation only, default)

Concealed installation
Panel mounted sensor (Wave activation only, default)

Concealed installation
Panel mounted sensor (Walkaway activation only)

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NOTES: Do not position sensor near toilet roll holder or disabled bar.
Reflective surfaces and materials such as hi-vis jackets may cause the sensor to activate unexpectedly.
Walkaway version only. Minimum distance applies. If x (see diagram) is less than 12cm it is recommended that the Hand Activation is disabled. Refer to section 9.

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Panel mounted sensor installation

Thin wall 3 15mm

Medium thickness wall 15 30mm

Thick wall 30 38mm

Ø38mm Sensor nut
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6mm packer (See note*)
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Sensor gasket

Apply sanitary silicone sealant

Sensor gasket

Apply sanitary silicone sealant

Clamp plate (reversible)

NOTE: *If wall thickness is under 32mm use packer to prevent screw causing damage to sensor

Apply sanitary silicone sealant

Cistern mounted sensor Wave version only

Sensor fixing

Mounting options

Sensor fastening nut

Sensor gasket

Side/front adaptor

NOTE:
For holes between 40 and 50mm contact Cistermiser for a hole adapter. A hole diameter larger than 50mm is a non standard installation.

NOTE:
Side/front adaptor required. Not supplied with standard product but available as an extra. Contact Cistermiser for further details or order online at www.cistermiser.co.uk

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6. Power Connections
Isolate mains power supply before proceeding. Mains wiring should be undertaken by a competent person. Battery Case Open case and fit 4 x AA (LR-6) batteries. Use fittings provided or clip onto EVO Flush Valve. Mains Adaptor Fasten on a panel in a dry location using screws or sticky pads provided. Connected the un-terminated cable to a 50Hz 230V AV single phase supply via a 1A fused spur (not supplied).
NOTE: Always connect Sensor to Flush Valve before connecting power.

(2) Connect battery pack OR mains adaptor to IR Sensor unit (2-way connector)

NOTE:
Either Battery OR Mains can be connected, not both.

(1) Connect IR Sensor unit to Flush Valve (3-way connector)
NOTE: Remove sticky label from sensor lens before use.

CAUTION:
Risk of electric shock. Isolate supply before working on wiring

Multiple power connections for EasyflushEVO
If installing multiple Cistermiser products, the PSUC Multi Product Power Supply Unit is available as an accessory. Contact Cistermiser for more details.

Multi product power supply unit (Not supplied, contact Cistermiser for further details). Suitable for powering up to 10 units.

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7. Testing and Commissioning
Ensure flush valve and fill valve are set to the same height level (see page 6) so the water level is at the mark on the Flush valve. Ensure cistern is level and check for leaks. Activate flush via sensor or manual override to verify operation.

Lift override lever to activate flush

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Ensure lever is returned to lower reset position
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Sensor LED Glossary
Full flush via Wave or Walkaway – 2 green LEDs single flash once per second
Part Flush via Wave or Walkaway – 1 green LED single flash once per second
Memory flush/refilling Alternating, 3 green LEDs rising…
Low battery/power fault – 1 red LED single flash once per second

Scratched lens/blocked sensor – 3 red LEDs single flash once per second
Servo motor obstruction (Call Cistermiser for advice) 2 red LEDs single flash once per second
Sensor uncalibrated – 1 red LED single flash 4 times per second
*Amber LED = Configuration

NOTE: For chemical water treatment. If the water system has been treated with chemical dosing, ensure the system is thoroughly flushed before fitting any Cistermiser products. Concentrated chemicals in dead legs can damage the product and result in failure. If the water is treated with Chlorine Dioxide (ClO2), ensure concentration levels are maintained below 5ppm.
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8. Maintenance
Fill valve (supplied with EVO CISTERN only): Periodically rinse the inlet filter and valve diaphragm. If the diaphragm is damaged contact Cistermiser for a replacement. You may rinse the filter or the membrane to maintain your fill valve. If the membrane is damaged, you need to replace it.
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9. Usage advice and specification

Factory settings
Range (Wave): Range (Walkaway): Refill duration after part flush: Refill duration after full flush: Part flush duration: Full flush duration: Power requirements:
Normal battery life: Cleaning: Lens care:

~10cm ~55cm (~6cm for hand activation) 40 seconds 60 seconds 2¾ seconds 6 seconds Either 6V from 4 x alkaline AA (LR6) batteries or 6V DC regulated from mains adaptor (1A fused spur required) 27 000 cycles Clean with soap and water only Infrared lens can be polished with a soft cloth

Electronic specification
Control classification: Maximum load: Rated temperature range: Mains power supply:

Independent 1A (6W) at 6VDC 0-40 °C 100-250v AC 50/60Hz 1A MAX

Fill Valve (supplied with EVO CISTERN only)

Minimum working pressure:

0.1 bar

Maximum working pressure:

10 bar

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10. Component dimensions

EVO 1.5 & EVO 2
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11. Advanced settings guide

Carry out only if settings need to be changed.

1 Disconnect power, wait for 5 seconds and reconnect.

2 When flashing triple amber.

Place hand 4-6cm from sensor until constant triple green LEDs, then remove hand.

You are now in configuration mode
3 If a hand is not placed over the sensor, it will go into normal operation mode.

Wave/walkaway mode switching (this will restore default settings)

A Wait for 1 x triple red LEDs to enter wave/ walkaway setting

B During the triple red flash briefly X 1 place your hand in front of
the sensor.
The sensor will flash one central green LED to indicate wave function, to change function put your hand in front of the sensor for 3 second.

C Sensor will flash single central green LED for wave mode

or double top/bottom green LEDs for walkaway mode

Wave sensing range adjustment (when Wave variant is selected)

A Wait for 2 x triple red LEDs to enter sensing range mode

B Briefly place your hand in front of X 2 the sensor until triple green LEDs
flash slowly. Range configuration mode will then be ready.

C Move your hand to the distance from the sensor you would like to set as maximum range. Wait 8 seconds until constant triple green LEDs show.

Sensor distance is now set.

Walkaway sensing range adjustment (when Walkaway variant is selected)

A Wait for 2 x triple red LEDs to enter sensing range mode

B Briefly place your hand in front of X 2 the sensor until triple green LEDs
flash slowly. Range configuration
mode will then be ready.

C Stand at the distance from the sensor you would like to set as maximum range. Wait 8 seconds until constant triple green LEDs show.

Sensor distance is now set.

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Full flush duration adjustment

A Wait for 3 x triple red LEDs to enter flush duration mode

B X 3

During the triple red flashing briefly place your hand in front of the sensor. The valve will start to flush and triple green flashing LEDs will be seen. HOLD HAND STEADY.

C When the valve has flushed for the desired full flush time, move your hand out of the line of sight of the sensor and triple green LEDs will show. The water will cease to flow and the full flush time will be set.

NOTE: Part flush is automatically set to approximately of full flush

Refill duration adjustment

A Wait for 4 x triple red LEDs to enter refill time mode.

B During the triple red flashing, X 4 briefly place your hand in front of
the sensor. The valve will flush and the cistern will refill. Triple green flashing LEDs will be seen.

C Once the cistern has refilled completely and the water has ceased to flow, move your hand back into the line of sight of the sensor and triple green LEDs will show. The refill time has now been set.

4 After configuration the LEDs will flash triple amber, giving opportunity to re-enter configuration mode.

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12. Infrared Configuration Unit (ICU) guide

NOTE: Not supplied but available from Cistermiser or any major plumbing merchant.

Button descriptions

Activates cleaning mode

Activates ICU configuration mode

Decreases setting
+: Increases setting

Checks the setting being altered

Saves changes and exits ICU configuration mode

6urb Quits ICU configuration mode without saving changes
1 Configures sensor range 2 Configures full/part flush time 3 & Configures cistern refill time 4 Toggles Wave function ON/OFF (Walkaway ONLY) 5 12hr 12-hour hygiene cycle activation

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7 A Autorange setting of sensor range

8 No function
O 9 Switch Wave & Walkaway variants & resets to default factory settings

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Entering configuration mode
Point the ICU towards the EasyflushEVO sensor and press the configuration button, LEDs will flash amber. Activation is most effective when the configuration button is held down as the ICU is brought close to the sensor.
It can take up to 3 seconds for the product to sense the ICU. The EasyflushEVO will return to normal operation if there are no button presses for 30 seconds.
Configuring sensor range
Point the ICU at the EasyflushEVO sensor and
press the 1 © sensor range button (the sensor
blinks green).
Decrease or increase the sensor range by
e pressing the and 0 buttons respectively.
The sensor blinks red when the min or max value is reached.

Press the button to check the sensor range setting – the sensor displays the current setting by flashing green; see table.

For Wave version Number of flashes Range (cm approx)

1 2 3 45 5 10 15 20 25

For Walkaway version Number of flashes 1 2 3 4 5 Range (cm approx) 45 50 55 60 65

Save setting and exit ICU configuration mode by pressing the button.
Exit without saving by pressing the 6ur6 button.

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Configuring Full/Part flush time
Point the ICU at the EasyflushEVO sensor and press
the 2 © flush time button (the sensor blinks green).
eDecrease or increase the flush time by pressing the and buttons respectively. The sensor blinks red when the min or max value is reached. Press the button to check the flush time setting – the sensor displays the current setting by flashing green; see table.
Number of flashes 1 2 3 4 5
Full flush time (sec) 2¼ 3 4 5½ 8
Part flush time (sec) 1½ 2 2¾ 3¾ 5½
Save setting and exit ICU configuration mode by
^ pressing the| ( AV > button.
Exit without saving by pressing the <6urb button.
Configuring refill time
Point the ICU at the EasyflushEVO sensor and press
D the 3 ( refill time button (the sensor blinks green).
eDecrease or increase the refill time by pressing the and buttons respectively. The sensor blinks red when the min or max value is reached. Press the button to check the refill time setting – the sensor displays the current setting by flashing green; see table.
Number of flashes 1 2 3 4 5 6 7
Refill time (sec) 0 20 40 60 80 100 120
Save setting and exit ICU configuration mode by pressing the button. Exit without saving by pressing the <£urb button.
Hand wave flushing (walkaway mode only) activation and de-activation
Point the ICU at the EasyflushEVO sensor and
press the 4 © (the sensor blinks green). By
default the hand wave function is on.
Pressing the and 0 button switches the hand
wave function on or off respectively. Press the button to check the setting – the sensor flashes green once if function is off or twice if it is on. Save setting and exit ICU configuration mode by pressing the| ( WEp> button.
^ Exit without saving by pressing the ( urb button.

12 hour hygiene flush activation and de-activation
Point the ICU at the EasyflushEVO sensor and press the hygiene cycle button (the sensor blinks green).
e Pressing the and buttons switches the hygiene
flush function on or off respectively.
Press the button to check the setting – the sensor flashes green once if function is off or twice if it is on.
Save setting and exit ICU configuration mode by pressing the button.
Exit without saving by pressing the button.
Dual flush activation and de-activation
Point the ICU at the EasyflushEVO sensor and press
the 6 © (the sensor blinks green).
e Pressing the and 0 buttons switches the
dual flush function on or off respectively. Press the button to check the setting – the sensor flashes
green once if function is off or twice if it is on.
Save setting and exit ICU configuration mode by pressing the button.
Exit without saving by pressing the <6yrb button.
Configuring sensor range using the autorange function
If the cubicle door is opposite the sensor, ensure that the cubicle door is closed or ajar, but not fully open.
Point the ICU at the EasyflushEVO sensor and press
the 7 © button.
Immediately stand clear of the sensor. Sensor blinks green for 5 seconds, then a steady green when setting complete. The sensor measures the background reflections and sets the sensor range to an appropriate setting.
Save setting and exit ICU configuration mode by
^ pressing the| ( AV button.
Exit without saving by pressing the &urb button.
Only possible when configured as Walkaway.
Wave/walkaway conversion / factory reset O Point the ICU at the sensor and press the 9
button (the sensor blinks green).
Pressing the 0 and button switches the function
to Wave and Walkaway respectively. Press the OK button to check the setting – the sensor flashes green once if wave or twice if walkaway.
Save setting and exit ICU configuration by pressing the button.
Exit without saving by pressing the <§urb button.

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13. Frequently asked questions
Refer to section 7 Testing and Commissioning for normal sensor function indicators after user activation

No water is entering the cistern

No obvious indicator The sensor is covered

Ensure that the water supply is connected and the fill valve is operating correctly. Check filters for blockages.
Anti-vandal mode has been triggered. The object/debris needs to be removed from the sensor and the valve will resume normal functionality.

Flush valve not activating

The sensor light does not flash when a hand is placed in front of it.

Ensure the power supply is connected. If mains power is being used through the mains adaptor check that the mains adaptor is working by reverting to the battery pack. Remove the mains adaptor when using batteries.

Sensor is flashing single top red LED slowly, or not at all when a hand is placed in front of it.

Low or no battery power; change batteries. If operated by mains power, check wiring then contact Cistermiser.

Sensor LEDs OK

Check fill valve and flush valve are aligned with water level Ensure cistern is level Check manual activation lever is down (neutral position)

Flush volume is too low

Ensure full flush time is correct (default 3 seconds), so all water is flushed from the cistern. Refer to EasyflushEVO Valve set up (section 4).
Adjust flush valve and fill valve height to change full flush volume.

Continuous flow into the pan from the cistern

No obvious indicator

Water flowing through the overflow; ensure that the water entering the cistern is being shut off by adjusting the float accordingly. If the float is set too high, water will continuously flow into the cistern and out of the overflow.

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WC flushes when in use

Working as normal otherwise

Ensure that the sensor is mounted in the correct position. Refer to the Sensor positioning (section 5).
Ensure the sensor range is correctly configured. Refer to the advanced setting guide (section 11).

Other issues
Sensor flashing red middle LED 4 times per second

Sensor uncalibrated. Call Cistermiser for advice.

Sensor flashing single red top LEDs

Low or no battery power. Change batteries. If operated by mains power, check wiring then contact Cistermiser.

Sensor flashing triple red LEDs

Sensor covered or heavily scratched. Uncover or polish out scratches.

Sensor flashing double red top LEDs

Servo motor obstruction or wiring fault – Call Cistermiser for advise.

Cistermiser product warranty and extended warranty

Cistermiser products are guaranteed for 12 months from the date of manufacture. The guarantee is for faulty products and parts only: there is no labour warranty. If you believe your product is faulty, please either contact Cistermiser directly on 0118 969 1611 or at support@cistermiser.co.uk, with a photograph and the serial number to help diagnose the cause of the problem.

The warranty on Cistermiser products can be extended within one year of date of manufacture, at no cost, to three years from the date of installation (see details on page 20). Please make a note of the serial number and take a photograph of the installation before you leave site.

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Commissioning check-list
EasyflushEVO

3 YEAR extended warranty

The warranty on Cistermiser products can be extended within one year of date of manufacture, at no cost, to three years from the date of installation. Once the valve has been installed, complete the product commissioning checklist below to demonstrate compliance with the installation instructions. Email a photograph of this completed form to warranty@cistermiser.co.uk or post to Cistermiser, Unit 1, Woodley Park Estate, 59-69 Reading Road, Woodley, Berks, RG5 3AN.

Product serial number Installation address

No Activity 1. Ensure the cistern is installed level (check with spirit level).

Checked Date

2. Ensure the Flush Valve height is set to give the correct flush volume. Ensure the Fill Valve float height is adjusted so the water line is level with the indicator on the Flush Valve.

3. Ensure water supply is activated. For EVO CISTERN 0.1 – 10 bar.

4. Check sensor is mounted in correct position (refer to section 5).

6. Ensure label is removed from sensor before connecting power.

7. Check power connections (refer to section 6).

8. Ensure either mains or battery power or multi product power supply is connected.

9. Check sensor range, refill time, full flush times are suitable for installation (refer to advanced settings guide section 11).

10. Test operation.
a Wave: Place hand within ~10cm of sensor for 1 second = valve will part flush and the sensor will flash the single LED once per second. Place hand within 10cm of sensor for two seconds = valve will full flush and the sensor will flash the double bottom LEDs once per second.

b Walkaway: If presence is detected, sensor flashes green once every three seconds. When sensor detects a presence for less than 45 seconds, valve will part flush. Where sensor detects a presence for over 45 seconds valve will full flush.

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Notes
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Notes
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Cistermiser Limited Unit 1, Woodley Park Estate, 59-69 Reading Road, Woodley, Reading, Berkshire RG5 3AN t: +44 (0) 118 969 1611 e: sales@cistermiser.co.uk cistermiser.co.uk
A Davidson Holdings company

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