Honeywell Home Y87RF2024 User manual

Y87RF
Single Zone Thermostat
Installation Guide

1. Disconnect the mains power from the Heating Appliance.
To ensure your safety, always make sure mains
power is switched off before accessing wiring.
2. Remove the wiring
plate from the
Boiler Relay.
2.1 Carefully press a
screwdriver into the
opening until the
cover comes free.
2.2 Tilt the cover upwards
and remove it.
Installation instructions

3. Mount the wiring plate
to the wall or wallbox.
Note: the plugs and mounting
screws required are supplied.
4. Connect the Boiler Relay wiring.
Please refer
to wiring
diagram
(right).
Power
supply from
fused spur
To heating appliance
1,5-2,5mm2
max 6mm
>7mm 0
<7mm 0

5.1 Wiring for a basic boiler (not requiring a pump overrun).
The boiler relay powers the boiler live input.
230V
50-60Hz
<5A
N L
N L
L
BDR91
Place link here
A-B:5(3)A
A-C:5(3)A
A B C
L
N

230V
50-60Hz
<5A
N L L
BDR91 A-B:5(3)A
A-C:5(3)A
A B C
L
N
N L
5.2 Wiring for a boiler that requires a permanent live.
For use with a boiler that requires a permanent live
(a typical Combi boiler wiring). This can be used for
boilers with low voltage or 230Vac room thermostat
inputs. Please check manufacturer’s instructions.

5.3 Wiring for a two-port zone valve.
For use with a boiler that requires a permanent live.
Please check manufacturer’s instructions.
230V
50-60Hz
<5A
N L L
BDR91
V4043H
A-B:5(3)A
A-C:5(3)A
A B C
L
N
BL BR
M
GR O
G / Y
G/Y: Green/Yellow
Earth wire
BL: Blue Motor Neutral
BR: Brown Motor Live
GR: Grey End
switch (if used)
Permanent Live
O: Orange End
switch (If used).
In wired system
this typically
feeds the boiler.

continued overleaf
7. Reconnect the mains power to the Heating Appliance.
8. Locate the thermostat.
• Away from draughts
• Away from heat sources
• Away from direct sunlight
• Positioned about 1.2m – 1.5m from the oor
6. Attach the Boiler Relay
to the wiring plate.
Locate hinges rst
Hinge the housing downwards
and click into place.

© 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 32301889-001 B
For support:
Resideo
200 Berkshire Place
Winnersh Triangle, Berkshire
RG41 5R
Phone: [phone]
(EU) 811/2013
Approvals:
Hereby, Pittway Sarl declares that the radio
equipment type T87RF is in compliance
with Directive 2014/53/EU. The full text
of the EU declaration of conformity is
available at the following internet address:
https://hwllhome.co/DoC RF (868MHz):
Receiver Category 2, Max RF Power 25mW,
868–868.6MHz (868.3MHz)

10. Unclip the mounting plate.
Press the top of the
thermostat downwards, pull
it loose and tilt forwards.
9. First remove the dial.

12. Remove the protective tab
between the batteries.
11. Mount directly to the wall.
The plugs and mounting
screws required are supplied.
Plugs
Screws