Honeywell Home Y87RF User manual

50094158-014 B
2. After five seconds the current
room temperature will be
displayed once again. The
thermostat will then try to
maintain your set temperature
as accurately as possible.
You can check your set
temperature by turning the
dial one ‘click’ to the left or
right. The set temperature will
flash up for a few seconds,
before returning to display
the room temperature again.
Setting your room temperature
1. Your current room temperature
is shown in the display. To
set the temperature you
want, just turn the dial right to
increase and left to decrease.
Each ‘click’ as the dial turns
represents a 0.5°C change.
Replacing the
batteries
The batteries should be replaced
when the symbol is displayed.
Remove the dial (1) and separate
the thermostat (2) from the
mounting plate (3). Replace the
discharged batteries with two new
AA alkaline batteries, then reattach
the thermostat to the mounting
plate and replace the dial.
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EN | User Guide
Night-time temperature reduction
Overnight, or if you are out, it is best to set the thermostat to
a lower temperature, as it will save you energy. In general a
reduction of 5°C is recommended, but this will depend on your
heating system and the amount of insulation in your home.
T87RF/Y87RF Single Zone Thermostat
Getting to know your display Troubleshooting
Low batteries
If you see this battery icon then you need
to replace the batteries right away.
No power to the thermostat
If the thermostat screen is blank after initial installation,
then check the protective tab has been removed from
the batteries. Otherwise, try replacing the batteries.
RF communication error
If these icons are flashing, then there may be an issue
with the signal from the Boiler Relay. First check there is
mains power to the Boiler Relay. If this does not resolve
the problem, consult your installer.
Defective thermostat
If this icon is displayed then the thermostat is no
longer functioning and will need to be replaced.
Set Temperature Indicator
Means the figure on the screen is your set temperature,
rather than your current room temperature.
Boiler Relay Connection
Means your thermostat is successfully
connected to your Boiler Relay.
Internet Gateway Connection (optional)
Means your thermostat is successfully
connected to your Internet Gateway.
Heating on
Means there is a requirement for some heating, so
your boiler should either be on or cycling on/off.

Binding your thermostat to a
RFG100 Internet Gateway
If you want to be able to operate your Thermostat remotely or
add scheduling then you will need to use the RFG100 Internet
Gateway (sold separately) and bind the thermostat to it.
To do this, please follow the full installation instructions
in the RFG100 box, and at the relevant binding stage
follow these steps to connect your thermostat:
2. Briefly touch the right-hand touch
zone once again to send the binding
signal. The and symbols will
flash until binding is successful.
3. With good reception, the
green LED on the Gateway
will then light up to confirm
successful binding.
1. Touch and hold the right-hand
touch zone for about 10 seconds
to activate the binding screen.
10s
4. After binding, the strength of the
signal between the devices will
appear on the thermostat for a
few seconds. 1 equals the lowest
strength and 5 the highest.
Then the normal screen will be
shown, including a symbol
to confirm the Gateway and the
thermostat are now connected.
5. Please refer to your Gateway
instructions to learn how to
create your online account and
download our smartphone app.
For support:
Resideo
200 Berkshire Place
Winnersh Triangle, Berkshire
RG41 5R
Phone: [phone]
Printed in EU.
© 2020 Resideo Technologies, Inc. All rights reserved.
The Honeywell Home trademark is used under license from Honeywell International Inc.
This product is manufactured by Resideo Technologies, Inc. and its affiliates.
Pittway Sarl, Z.A. La Pièce 4,
1180 Rolle, Switzerland
Country of origin : UK