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Limited warranty
Honeywell
The Arnold Centre
Paycocke Road
Basildon, Essex
SS14 3EA
Technical Help Desk: 0845 604 2893 50051974-001 Rev. A
www.homexpertbyhoneywell.com © 2010 Honeywell International Inc
homexpert
tm
by Honeywell is a trademark of Honeywell International Inc. All rights reserved.
Honeywell warrants this product for 1 year from date
of purchase. We undertake to replace or repair at our
discretion, products should they become defective
within 1 year solely as a result of faulty materials and or
workmanship.
Understandably if the product has not been installed or
maintained in accordance with Honeywell’s instructions,
has not been used appropriately or if any attempt has
been made to rectify, dismantle or alter the product in
any way the warranty will be invalidated.
This product warranty states Honeywell’s entire liability.
It does not extend to cover consequential loss or
damage or installation costs arising from a defective
product.
If the product is defective, please return it together with
a proof of purchase or receipt to the place of purchase.
This does not affect your statutory rights.
If you require further information about this product,
call the homexpert
tm
by Honeywell technical helpline on
0845 604 2893.
For a full list of terms and conditions please visit
www.homexpertbyhonyewell.com.
Sensor installation
Check all fittings to make sure connections are secure before installing the thermostat sensor. Center the sensor
over the radiator valve, push down and screw firmly into place as shown below.
After installation, set the sensor to an appropriate temperature level, then turn on the boiler or open valves as
needed to resume hot water flow to the radiator. Watch carefully to check for leaks. If leaks occur, stop hot water
flow to the radiator immediately and check all fittings.
Temperature
sensor
Radiator
valve
NOTE: To ensure accurate temperature control, make sure the TRV is exposed to a free flow of
room air, and is not blocked by draperies or furniture.
Hand-tighten only.
Do not use tools.
Temperature control
Turn the sensor to control temperature at each radiator fitted with a TRV. Settings are marked with numbers rather
than temperatures, because heating systems vary. An approximate guide follows, below. You may have to adjust
the sensor for a day or two, to get the proper setting for the temperature you prefer.
Turn to regulate
temperature
NOTE: Temperatures listed above are estimates based on typical performance after vertical mounting.
Temperatures may vary by 1° to 2° C if the TRV is installed in other positions.
1
23
4
0 1° C (potential hazard of freezing)
* 6° C (frost protection level)
1 12° C
2 16° C
3 20° C
4 24° C
5 28° C