Schneider Electric Wiser Boiler Relay User Guide

: June 3, 2024
: Schneider Electric

Schneider Electric Wiser Boiler Relay User Guide

Legal Information

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As standards, specifications, and designs change from time to time, information contained in this guide may be subject to change without notice.
To the extent permitted by applicable law, no responsibility or liability is assumed by Schneider Electric and its subsidiaries for any errors or omissions in the informational content of this material or consequences arising out of or resulting from the use of the information contained herein.

Safety information

Important information

Read these instructions carefully and look at the equipment to become familiar with the device before trying to install, operate, service, or maintain it. The following special messages may appear throughout this manual or on the equipment to warn of potential hazards or to call attention to information that clarifies or simplifies a procedure.

The addition of either symbol to a “Danger” or “Warning” safety label indicates that an electrical hazard exists which will result in personal injury if the instructions are not followed.
This is the safety alert symbol. It is used to alert you to potential personal injury hazards. Obey all safety messages that accompany this symbol to avoid possible injury or death.

DANGER indicates a hazardous situation which, if not avoided, will result in death or serious injury.
Failure to follow these instructions will result in death or serious injury.

Wiser Boiler Relay

For your safety

WARNING

HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH
The wallplate terminals may carry electrical current even when the device is not working. When working on the device always disconnect the device from the supply using the fuse in the incoming circuit.
Failure to follow these instructions can result in death, serious injury, or equipment damage

NOTICE

RISK OF DAMAGE TO DEVICE

Always operate the product in compliance with the specified technical data.
Failure to follow these instructions can result in equipment damage.

About the device

The Wiser Boiler Relay (hereinafter referred to as Boiler Relay ) allows control of a domestic boiler in water based central heating applications. The Boiler Relay contains a 2 A relay that can be connected to a boiler directly or to auxiliary control equipment such as a motorised valve.
The Boiler Relay also contains a digital boiler interface that can be used to provide direct control of the boiler demand using the OpenTherm ®.
NOTE: A Wiser [Radiator thermostat ](https://www.productinfo.schneider- electric.com/wiser_home/wiser-radiator-thermostat_device-user-guide_wiser- home/English/Wiser_Radiator_Thermostat_Wiser_Home_Device%20user%20guide_0000774578.xml/%24/AboutthedeviceCPT_0000693350

AboutTheDevice-DDA9E9F2)or [Room thermostat ](https://www.productinfo

.schneider-electric.com/wiser_home/wiser-room-thermostat_device-user- guide_wiser- home/English/Wiser_Room_Thermostat_Wiser_Home_Device%20user%20guide_0000774575.xml/%24 /WHM-Roomthermostat-AboutthedeviceCPT_0000745238)is mandatory for the Boiler Relay to work.

Features of the Boiler Relay:

Controls the heat source (boiler, heat pump, motorized valve, or circulating pumps).
You can manually override

Operating elements

Setup button
Heating button
Status LEDs

Installing the device

Refer to the installation instruction supplied with this product

HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH
The wallplate terminals may carry electrical current even when the device is not working. When working on the device always disconnect the device from the supply using the fuse in the incoming circuit.
Failure to follow these instructions can result in death, serious injury, or equipment damage.

About the device

The Wiser Boiler Relay (hereinafter referred to as Boiler Relay) allows control of a domestic boiler in water based central heating applications. The Boiler Relay contains a 2 A relay that can be connected to a boiler directly or to auxiliary control equipment such as a motorised valve.
The Boiler Relay also contains a digital boiler interface that can be used to provide direct control of the boiler demand using the OpenTherm ®.
NOTE: A Wiser Radiator thermostat or Room thermostat is mandatory for the
Boiler Relay to work. Features of the Boiler Relay:

Controls the heat source (boiler, heat pump, motorized valve, or circulating pumps).
You can manually override heating.

Pairing the device

Using the Wiser Home app, pair your Boiler Relay with the Wiser system to access and control the Boiler Relay.
Follow the steps below to pair the Boiler Relay:

On the Home page, tap icon.
Tap Devices > icon an
d tap Climate (tab) > Boiler Relay. Tap Next.\

TIP: The next screen shows the joining process of the Boiler Relay.
4. Press and hold the Setup button for >2 s.
The Boiler Relay’s LED flashes green and amber, then turns to solid green after successful joining to the Wiser system.
TIP: In case the device is failed to join LED shows solid red.

5. In the app, you can see the Boiler Relay is successfully joined.

6. Enter the Boiler Relay name and tap Next.
7. On the Boiler Relay Setup page, select the Control Type:
– Relay , If Relay is selected, choose one of the following Heat Source
Type:
• Gas Boiler (Default)
• Electric Boiler
• Oil Boiler
• Heat Pump
– OpenTherm, If selected OpenTherm (interfacing cable between Boiler
Relay and Boiler) then the setup is completed.
TIP: Depending on the boiler interface choose the correct Relay or
OpenTherm ®. You can see the paired Boiler Relay name and location on the Home page under the All devices or room tab.

Configuring the device

Renaming the device

Using the Wiser Home app, you can rename the Boiler Relay.

On the Home page, tap icon.
Tap Devices > Boiler Relay > Device Name (A) to rename the Boiler Relay

Setting the device control

Using the Wiser Home app, you can use set the control type such as Relay or
OpenTherm.
Follow the below steps to set the control type:

On the Home page, tap icon.
Tap Devices > Boiler Relay > Control Type (A) to select given option:
– Relay
– OpenTherm

Setting heat source type

Using the Wiser Home app, you can set the heat source type such as Gas Boiler,
Oil Boiler, Electric Boiler, or Heat Pump.
NOTE: Heat source type only required for relay channel.
Follow the below steps to set the heat source type.

On the Home page, tap icon.
Tap Devices > Boiler Relay > Heat Source Type (A) to select given option:
– Gas Boiler (Default)
– Oil Boiler
– Electric Boiler
– Heat Pump

Identifying the device

Using the Wiser Home app, you can identify the Boiler Relay from the other available devices in the room.
Follow the below steps to identify the Boiler Relay:

On the Home page, tap icon.
Tap Devices > Boiler Relay > Identify (A).
NOTE:
• This feature flashes the Boiler Relay LEDs, so you can identify theactual device.
• The Boiler Relay LEDs will continue to flash green until you tap OK.

Removing the device

Using the Wiser Home app, you can remove the Boiler Relay from the Wiser system.
Follow the below steps to remove the Boiler Relay:

On the Home page, tap icon.
Tap Devices > Boiler Relay > Delete (A).
In the next screen read the warning and tap Delete.

Resetting the device

You can reset the Boiler Relay to factory default mode. Press and hold the setup button for >20 s.
After 15 seconds, the LED flashes red.
NOTE: The Boiler Relay is removed from the Wiser system and all function will be inactive until recommissioning.

Using the device

Emergency heating

You can do an emergency heating by pressing the heating button on the Boiler
Relay when the Hub is not working, or the Wiser Home app heating control is not esponding.
Press and hold the Heating button for >3 s.
When the heating override is active, the heating LED flashes green

TIP: The heating is manually turned On for 2 hours. In this state, the boiler self-regulates its temperature. To turn off the override, press and hold the
heating button for > 3 s the heating returns to system control.