Honeywell Thermostat TRV15AHC User Manual

What is a thermostatic radiator valve (TRV)?  
room being controlled at a lower  
temperature, and saves energy.  
...an explanation for householders  
User Manual  
TRVs sense the air temperature around them and  
regulate the flow of water through the radiator which  
they are fitted to. They do not control the boiler.  
TRVs need a free flow of air to  
sense the temperature, so they  
must not be covered by curtains  
or blocked by furniture.  
They should be set at a level that gives you the room  
temperature you want. These settings may have to be  
different in each room, and you should set the TRVs to  
suit each room and then leave them to do their job.  
TRVs cannot turn off the boiler when the whole house  
is warm. To do that, you will need a room thermostat as  
well. The radiator in the room with the room thermostat  
should normally have a TRV, but, if it does, keep the  
TRV on the maximum setting and adjust the room  
thermostat as explained with the instructions.  
Turning a TRV to a higher setting will not make the room  
heat up any faster. How quickly the room heats up  
depends on the boiler size and setting, and the radiator  
size. Turning the TRV to a lower setting will result in the  
This manual applies to the following homexperttm by Honeywell products  
TRV15AHC: Angled TRV Kit — Chrome  
TRV15SHC: Straight TRV Kit — Chrome  
TRV15AHW: Angled TRV Kit — White  
TRV15SHW: Straight TRV Kit — White  
TRV15AHWC: Angled TRV Kit — Chrome & White  
TRV15SHWC: Straight TRV Kit — Chrome & White  
Thermostatic  
Radiator Valve  
50051974-001 Rev. A  
Installation options  
Valve installation  
Remove protective cap and connect fittings to radiator and hot water source as shown below. If necessary, cut  
supplied copper tubes to an entry depth of 10 mm into the TRV to ensure a secure connection.  
Thermostatic  
radiator valve (TRV)  
Lockshield valve  
(optional)  
The TRV can be installed on either side  
of the radiator, in a vertical or horizontal  
position, as shown at left.  
Cap  
If a lockshield valve is also used on the  
same radiator, install it on the opposite  
side of the radiator, as shown.  
TRV  
Connection to radiator  
OUT (cool)  
IN (hot)  
OUT (cool)  
IN (hot)  
TRV  
Connection to  
hot water pipe  
OUT (cool)  
IN (hot)  
OUT (cool)  
IN (hot)  
NOTE: If you are not experienced in equipment installation, we recommend that these  
procedures be done by a professional installer.  
NOTE: Keep the protective cap.You can remove the thermostat sensor (see next page) and  
screw the cap back into place to prevent water overflow if you must remove the radiator later.  
ALLOW RADIATOR TO COOL BEFORE INSTALLATION: To avoid injury, turn off boiler or stop  
hot water flow to radiator and allow it to cool before installation.  
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