Honeywell Y87RF User manual

Installation Guide
Single Zone Thermostat
Y87RF
1. Disconnect the mains power from the Heating Appliance.
To ensure your safety, always make sure mains
power is switched off before accessing wiring.
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).
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.
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.
Manufactured for and on behalf of the
Environmental and Combustion Controls
Division of Honeywell Technologies Sàrl,
ACS-ECC EMEA, Z.A. La Pièce 16,
1180 Rolle, Switzerland by its Authorised
Representative Honeywell Inc.
Need help? For assistance please visit:
www.honeywelluk.com
Honeywell Control Systems Ltd.
Skimped Hill Lane, Bracknell, Berkshire
RG12 1EB
WEEE Directive
2012/19/EC
Waste Electrical
and Electronic
Equipment directive
•Attheendoftheproductlifedispose
of the packaging and product in a
corresponding recycling centre.
•Donotdisposeoftheunitwith
the usual domestic refuse.
•Donotburntheproduct.
•Removethebatteries.
•Disposeofthebatteriesaccordingto
the local statutory requirements and
not with the usual domestic refuse.
Approvals
Conforms to protection requirements
of the following directives:
EMC: 2004/108/EC
LVD: 2006/95/EC
R&TTE: 1999/05/EC
Hereby, Honeywell, declares that this
Single Zone Thermostat is in compliance
with the essential requirements and other
relevant provisions of Directive 1999/5/EC.
Installation instructions
Power
supply from
fused spur
To heating appliance
1,5-2,5mm2
max 6mm
>7mm 0
<7mm 0
32301889-001 A

Installation Guide
Single Zone Thermostat
Y87RF
1. Disconnect the mains power from the Heating Appliance.
To ensure your safety, always make sure mains
power is switched off before accessing wiring.
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).
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.
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.
Manufactured for and on behalf of the
Environmental and Combustion Controls
Division of Honeywell Technologies Sàrl,
ACS-ECC EMEA, Z.A. La Pièce 16,
1180 Rolle, Switzerland by its Authorised
Representative Honeywell Inc.
Need help? For assistance please visit:
www.honeywelluk.com
Honeywell Control Systems Ltd.
Skimped Hill Lane, Bracknell, Berkshire
RG12 1EB
WEEE Directive
2012/19/EC
Waste Electrical
and Electronic
Equipment directive
•Attheendoftheproductlifedispose
of the packaging and product in a
corresponding recycling centre.
•Donotdisposeoftheunitwith
the usual domestic refuse.
•Donotburntheproduct.
•Removethebatteries.
•Disposeofthebatteriesaccordingto
the local statutory requirements and
not with the usual domestic refuse.
Approvals
Conforms to protection requirements
of the following directives:
EMC: 2004/108/EC
LVD: 2006/95/EC
R&TTE: 1999/05/EC
Hereby, Honeywell, declares that this
Single Zone Thermostat is in compliance
with the essential requirements and other
relevant provisions of Directive 1999/5/EC.
Installation instructions
Power
supply from
fused spur
To heating appliance
1,5-2,5mm2
max 6mm
>7mm 0
<7mm 0
32301889-001 A

Installation Guide
Single Zone Thermostat
Y87RF
1. Disconnect the mains power from the Heating Appliance.
To ensure your safety, always make sure mains
power is switched off before accessing wiring.
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).
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.
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.
Manufactured for and on behalf of the
Environmental and Combustion Controls
Division of Honeywell Technologies Sàrl,
ACS-ECC EMEA, Z.A. La Pièce 16,
1180 Rolle, Switzerland by its Authorised
Representative Honeywell Inc.
Need help? For assistance please visit:
www.honeywelluk.com
Honeywell Control Systems Ltd.
Skimped Hill Lane, Bracknell, Berkshire
RG12 1EB
WEEE Directive
2012/19/EC
Waste Electrical
and Electronic
Equipment directive
•Attheendoftheproductlifedispose
of the packaging and product in a
corresponding recycling centre.
•Donotdisposeoftheunitwith
the usual domestic refuse.
•Donotburntheproduct.
•Removethebatteries.
•Disposeofthebatteriesaccordingto
the local statutory requirements and
not with the usual domestic refuse.
Approvals
Conforms to protection requirements
of the following directives:
EMC: 2004/108/EC
LVD: 2006/95/EC
R&TTE: 1999/05/EC
Hereby, Honeywell, declares that this
Single Zone Thermostat is in compliance
with the essential requirements and other
relevant provisions of Directive 1999/5/EC.
Installation instructions
Power
supply from
fused spur
To heating appliance
1,5-2,5mm2
max 6mm
>7mm 0
<7mm 0
32301889-001 A

Installation Guide
Single Zone Thermostat
Y87RF
1. Disconnect the mains power from the Heating Appliance.
To ensure your safety, always make sure mains
power is switched off before accessing wiring.
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).
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.
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.
Manufactured for and on behalf of the
Environmental and Combustion Controls
Division of Honeywell Technologies Sàrl,
ACS-ECC EMEA, Z.A. La Pièce 16,
1180 Rolle, Switzerland by its Authorised
Representative Honeywell Inc.
Need help? For assistance please visit:
www.honeywelluk.com
Honeywell Control Systems Ltd.
Skimped Hill Lane, Bracknell, Berkshire
RG12 1EB
WEEE Directive
2012/19/EC
Waste Electrical
and Electronic
Equipment directive
•Attheendoftheproductlifedispose
of the packaging and product in a
corresponding recycling centre.
•Donotdisposeoftheunitwith
the usual domestic refuse.
•Donotburntheproduct.
•Removethebatteries.
•Disposeofthebatteriesaccordingto
the local statutory requirements and
not with the usual domestic refuse.
Approvals
Conforms to protection requirements
of the following directives:
EMC: 2004/108/EC
LVD: 2006/95/EC
R&TTE: 1999/05/EC
Hereby, Honeywell, declares that this
Single Zone Thermostat is in compliance
with the essential requirements and other
relevant provisions of Directive 1999/5/EC.
Installation instructions
Power
supply from
fused spur
To heating appliance
1,5-2,5mm2
max 6mm
>7mm 0
<7mm 0
32301889-001 A

Installation Guide
Single Zone Thermostat
Y87RF
1. Disconnect the mains power from the Heating Appliance.
To ensure your safety, always make sure mains
power is switched off before accessing wiring.
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).
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.
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.
Manufactured for and on behalf of the
Environmental and Combustion Controls
Division of Honeywell Technologies Sàrl,
ACS-ECC EMEA, Z.A. La Pièce 16,
1180 Rolle, Switzerland by its Authorised
Representative Honeywell Inc.
Need help? For assistance please visit:
www.honeywelluk.com
Honeywell Control Systems Ltd.
Skimped Hill Lane, Bracknell, Berkshire
RG12 1EB
WEEE Directive
2012/19/EC
Waste Electrical
and Electronic
Equipment directive
•Attheendoftheproductlifedispose
of the packaging and product in a
corresponding recycling centre.
•Donotdisposeoftheunitwith
the usual domestic refuse.
•Donotburntheproduct.
•Removethebatteries.
•Disposeofthebatteriesaccordingto
the local statutory requirements and
not with the usual domestic refuse.
Approvals
Conforms to protection requirements
of the following directives:
EMC: 2004/108/EC
LVD: 2006/95/EC
R&TTE: 1999/05/EC
Hereby, Honeywell, declares that this
Single Zone Thermostat is in compliance
with the essential requirements and other
relevant provisions of Directive 1999/5/EC.
Installation instructions
Power
supply from
fused spur
To heating appliance
1,5-2,5mm2
max 6mm
>7mm 0
<7mm 0
32301889-001 A

Installation Guide
Single Zone Thermostat
Y87RF
1. Disconnect the mains power from the Heating Appliance.
To ensure your safety, always make sure mains
power is switched off before accessing wiring.
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).
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.
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.
Manufactured for and on behalf of the
Environmental and Combustion Controls
Division of Honeywell Technologies Sàrl,
ACS-ECC EMEA, Z.A. La Pièce 16,
1180 Rolle, Switzerland by its Authorised
Representative Honeywell Inc.
Need help? For assistance please visit:
www.honeywelluk.com
Honeywell Control Systems Ltd.
Skimped Hill Lane, Bracknell, Berkshire
RG12 1EB
WEEE Directive
2012/19/EC
Waste Electrical
and Electronic
Equipment directive
•Attheendoftheproductlifedispose
of the packaging and product in a
corresponding recycling centre.
•Donotdisposeoftheunitwith
the usual domestic refuse.
•Donotburntheproduct.
•Removethebatteries.
•Disposeofthebatteriesaccordingto
the local statutory requirements and
not with the usual domestic refuse.
Approvals
Conforms to protection requirements
of the following directives:
EMC: 2004/108/EC
LVD: 2006/95/EC
R&TTE: 1999/05/EC
Hereby, Honeywell, declares that this
Single Zone Thermostat is in compliance
with the essential requirements and other
relevant provisions of Directive 1999/5/EC.
Installation instructions
Power
supply from
fused spur
To heating appliance
1,5-2,5mm2
max 6mm
>7mm 0
<7mm 0
32301889-001 A

Installation Guide
Single Zone Thermostat
Y87RF
1. Disconnect the mains power from the Heating Appliance.
To ensure your safety, always make sure mains
power is switched off before accessing wiring.
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).
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.
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.
Manufactured for and on behalf of the
Environmental and Combustion Controls
Division of Honeywell Technologies Sàrl,
ACS-ECC EMEA, Z.A. La Pièce 16,
1180 Rolle, Switzerland by its Authorised
Representative Honeywell Inc.
Need help? For assistance please visit:
www.honeywelluk.com
Honeywell Control Systems Ltd.
Skimped Hill Lane, Bracknell, Berkshire
RG12 1EB
WEEE Directive
2012/19/EC
Waste Electrical
and Electronic
Equipment directive
•Attheendoftheproductlifedispose
of the packaging and product in a
corresponding recycling centre.
•Donotdisposeoftheunitwith
the usual domestic refuse.
•Donotburntheproduct.
•Removethebatteries.
•Disposeofthebatteriesaccordingto
the local statutory requirements and
not with the usual domestic refuse.
Approvals
Conforms to protection requirements
of the following directives:
EMC: 2004/108/EC
LVD: 2006/95/EC
R&TTE: 1999/05/EC
Hereby, Honeywell, declares that this
Single Zone Thermostat is in compliance
with the essential requirements and other
relevant provisions of Directive 1999/5/EC.
Installation instructions
Power
supply from
fused spur
To heating appliance
1,5-2,5mm2
max 6mm
>7mm 0
<7mm 0
32301889-001 A

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
14. Replace the dial.
13. Attach the thermostat to
the mounting plate.
Step 1
Hook in here
Step 2
Click into place
Binding to the Boiler Relay
The Single Zone Thermostat is supplied ready to install,
binding is only required if the Thermostat and Boiler Relay
are purchased separately.
2. You can now bind the Single
Zone Thermostat. Touch and
hold on the left touch zone for
approximately 10 seconds.
3. The screen for binding the
Boiler Relay is now displayed.
Successful binding Failed binding
1. First, set the Boiler Relay
into binding mode by holding
down the BIND button for
5 seconds, until the red
LED ashes 0.5 seconds
on 0.5 seconds off.
Press here 4. When the symbol ‘bo’ is flashing, briefly touch
the left touch zone to send the binding signal,
at which point the symbol will flash several times.
5. If binding has been successful the number indicates
the signal strength (1 = min to 5 = max).
If binding fails, appears on screen. Please try again.
6. The red LED on the Boiler Relay will turn off when binding
has been successful.
Note: binding can be cancelled from the binding
screen by touching and holding on the left touch
zone for approximately 10 seconds.
Installation Menu
The single Zone Thermostat has an Installation
Menu that is used to set the minimum and maximum
temperature limits and the off temperature setting.
Maximum and minimum temperatures:
The maximum temperature you can set your
thermostat to is 35ºC and the minimum is 5ºC.
The off temperature:
If the thermostat is operated remotely, this is the temperature
value that is used when it is switched off from the remote app.
4. Touch the left touch zone to
display the off temperature
setting. Change this using
the setting ring as before.
5. The Installation Menu closes
automatically 10 seconds
after the last action.
2. The maximum temperature
limit is now displayed. The
setting can be changed using
the setting ring. There is no
need to confirm the value.
Touch zones.
There are two touch zones just below the thermostat
display, which are used to access menus and functions.
3. While this setting is flashing,
touch the left touch zone
briefly to display the minimum
temperature limit. This can also
be changed using the setting ring.
1. Rotate the setting ring fully to
the left until the minimum value
is shown. When the value starts
flashing, touch and hold on both
left and right touch zonesfor
approximately 10 seconds.
Activate the Installation Menu as follows:
10s
10s 10s

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
14. Replace the dial.
13. Attach the thermostat to
the mounting plate.
Step 1
Hook in here
Step 2
Click into place
Binding to the Boiler Relay
The Single Zone Thermostat is supplied ready to install,
binding is only required if the Thermostat and Boiler Relay
are purchased separately.
2. You can now bind the Single
Zone Thermostat. Touch and
hold on the left touch zone for
approximately 10 seconds.
3. The screen for binding the
Boiler Relay is now displayed.
Successful binding Failed binding
1. First, set the Boiler Relay
into binding mode by holding
down the BIND button for
5 seconds, until the red
LED ashes 0.5 seconds
on 0.5 seconds off.
Press here 4. When the symbol ‘bo’ is flashing, briefly touch
the left touch zone to send the binding signal,
at which point the symbol will flash several times.
5. If binding has been successful the number indicates
the signal strength (1 = min to 5 = max).
If binding fails, appears on screen. Please try again.
6. The red LED on the Boiler Relay will turn off when binding
has been successful.
Note: binding can be cancelled from the binding
screen by touching and holding on the left touch
zone for approximately 10 seconds.
Installation Menu
The single Zone Thermostat has an Installation
Menu that is used to set the minimum and maximum
temperature limits and the off temperature setting.
Maximum and minimum temperatures:
The maximum temperature you can set your
thermostat to is 35ºC and the minimum is 5ºC.
The off temperature:
If the thermostat is operated remotely, this is the temperature
value that is used when it is switched off from the remote app.
4. Touch the left touch zone to
display the off temperature
setting. Change this using
the setting ring as before.
5. The Installation Menu closes
automatically 10 seconds
after the last action.
2. The maximum temperature
limit is now displayed. The
setting can be changed using
the setting ring. There is no
need to confirm the value.
Touch zones.
There are two touch zones just below the thermostat
display, which are used to access menus and functions.
3. While this setting is flashing,
touch the left touch zone
briefly to display the minimum
temperature limit. This can also
be changed using the setting ring.
1. Rotate the setting ring fully to
the left until the minimum value
is shown. When the value starts
flashing, touch and hold on both
left and right touch zonesfor
approximately 10 seconds.
Activate the Installation Menu as follows:
10s
10s 10s

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
14. Replace the dial.
13. Attach the thermostat to
the mounting plate.
Step 1
Hook in here
Step 2
Click into place
Binding to the Boiler Relay
The Single Zone Thermostat is supplied ready to install,
binding is only required if the Thermostat and Boiler Relay
are purchased separately.
2. You can now bind the Single
Zone Thermostat. Touch and
hold on the left touch zone for
approximately 10 seconds.
3. The screen for binding the
Boiler Relay is now displayed.
Successful binding Failed binding
1. First, set the Boiler Relay
into binding mode by holding
down the BIND button for
5 seconds, until the red
LED ashes 0.5 seconds
on 0.5 seconds off.
Press here 4. When the symbol ‘bo’ is flashing, briefly touch
the left touch zone to send the binding signal,
at which point the symbol will flash several times.
5. If binding has been successful the number indicates
the signal strength (1 = min to 5 = max).
If binding fails, appears on screen. Please try again.
6. The red LED on the Boiler Relay will turn off when binding
has been successful.
Note: binding can be cancelled from the binding
screen by touching and holding on the left touch
zone for approximately 10 seconds.
Installation Menu
The single Zone Thermostat has an Installation
Menu that is used to set the minimum and maximum
temperature limits and the off temperature setting.
Maximum and minimum temperatures:
The maximum temperature you can set your
thermostat to is 35ºC and the minimum is 5ºC.
The off temperature:
If the thermostat is operated remotely, this is the temperature
value that is used when it is switched off from the remote app.
4. Touch the left touch zone to
display the off temperature
setting. Change this using
the setting ring as before.
5. The Installation Menu closes
automatically 10 seconds
after the last action.
2. The maximum temperature
limit is now displayed. The
setting can be changed using
the setting ring. There is no
need to confirm the value.
Touch zones.
There are two touch zones just below the thermostat
display, which are used to access menus and functions.
3. While this setting is flashing,
touch the left touch zone
briefly to display the minimum
temperature limit. This can also
be changed using the setting ring.
1. Rotate the setting ring fully to
the left until the minimum value
is shown. When the value starts
flashing, touch and hold on both
left and right touch zonesfor
approximately 10 seconds.
Activate the Installation Menu as follows:
10s
10s 10s

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
14. Replace the dial.
13. Attach the thermostat to
the mounting plate.
Step 1
Hook in here
Step 2
Click into place
Binding to the Boiler Relay
The Single Zone Thermostat is supplied ready to install,
binding is only required if the Thermostat and Boiler Relay
are purchased separately.
2. You can now bind the Single
Zone Thermostat. Touch and
hold on the left touch zone for
approximately 10 seconds.
3. The screen for binding the
Boiler Relay is now displayed.
Successful binding Failed binding
1. First, set the Boiler Relay
into binding mode by holding
down the BIND button for
5 seconds, until the red
LED ashes 0.5 seconds
on 0.5 seconds off.
Press here 4. When the symbol ‘bo’ is flashing, briefly touch
the left touch zone to send the binding signal,
at which point the symbol will flash several times.
5. If binding has been successful the number indicates
the signal strength (1 = min to 5 = max).
If binding fails, appears on screen. Please try again.
6. The red LED on the Boiler Relay will turn off when binding
has been successful.
Note: binding can be cancelled from the binding
screen by touching and holding on the left touch
zone for approximately 10 seconds.
Installation Menu
The single Zone Thermostat has an Installation
Menu that is used to set the minimum and maximum
temperature limits and the off temperature setting.
Maximum and minimum temperatures:
The maximum temperature you can set your
thermostat to is 35ºC and the minimum is 5ºC.
The off temperature:
If the thermostat is operated remotely, this is the temperature
value that is used when it is switched off from the remote app.
4. Touch the left touch zone to
display the off temperature
setting. Change this using
the setting ring as before.
5. The Installation Menu closes
automatically 10 seconds
after the last action.
2. The maximum temperature
limit is now displayed. The
setting can be changed using
the setting ring. There is no
need to confirm the value.
Touch zones.
There are two touch zones just below the thermostat
display, which are used to access menus and functions.
3. While this setting is flashing,
touch the left touch zone
briefly to display the minimum
temperature limit. This can also
be changed using the setting ring.
1. Rotate the setting ring fully to
the left until the minimum value
is shown. When the value starts
flashing, touch and hold on both
left and right touch zonesfor
approximately 10 seconds.
Activate the Installation Menu as follows:
10s
10s 10s

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
14. Replace the dial.
13. Attach the thermostat to
the mounting plate.
Step 1
Hook in here
Step 2
Click into place
Binding to the Boiler Relay
The Single Zone Thermostat is supplied ready to install,
binding is only required if the Thermostat and Boiler Relay
are purchased separately.
2. You can now bind the Single
Zone Thermostat. Touch and
hold on the left touch zone for
approximately 10 seconds.
3. The screen for binding the
Boiler Relay is now displayed.
Successful binding Failed binding
1. First, set the Boiler Relay
into binding mode by holding
down the BIND button for
5 seconds, until the red
LED ashes 0.5 seconds
on 0.5 seconds off.
Press here
4. When the symbol ‘bo’ is flashing, briefly touch
the left touch zone to send the binding signal,
at which point the symbol will flash several times.
5. If binding has been successful the number indicates
the signal strength (1 = min to 5 = max).
If binding fails, appears on screen. Please try again.
6. The red LED on the Boiler Relay will turn off when binding
has been successful.
Note: binding can be cancelled from the binding
screen by touching and holding on the left touch
zone for approximately 10 seconds.
Installation Menu
The single Zone Thermostat has an Installation
Menu that is used to set the minimum and maximum
temperature limits and the off temperature setting.
Maximum and minimum temperatures:
The maximum temperature you can set your
thermostat to is 35ºC and the minimum is 5ºC.
The off temperature:
If the thermostat is operated remotely, this is the temperature
value that is used when it is switched off from the remote app.
4. Touch the left touch zone to
display the off temperature
setting. Change this using
the setting ring as before.
5. The Installation Menu closes
automatically 10 seconds
after the last action.
2. The maximum temperature
limit is now displayed. The
setting can be changed using
the setting ring. There is no
need to confirm the value.
Touch zones.
There are two touch zones just below the thermostat
display, which are used to access menus and functions.
3. While this setting is flashing,
touch the left touch zone
briefly to display the minimum
temperature limit. This can also
be changed using the setting ring.
1. Rotate the setting ring fully to
the left until the minimum value
is shown. When the value starts
flashing, touch and hold on both
left and right touch zonesfor
approximately 10 seconds.
Activate the Installation Menu as follows:
10s
10s 10s

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
14. Replace the dial.
13. Attach the thermostat to
the mounting plate.
Step 1
Hook in here
Step 2
Click into place
Binding to the Boiler Relay
The Single Zone Thermostat is supplied ready to install,
binding is only required if the Thermostat and Boiler Relay
are purchased separately.
2. You can now bind the Single
Zone Thermostat. Touch and
hold on the left touch zone for
approximately 10 seconds.
3. The screen for binding the
Boiler Relay is now displayed.
Successful binding Failed binding
1. First, set the Boiler Relay
into binding mode by holding
down the BIND button for
5 seconds, until the red
LED ashes 0.5 seconds
on 0.5 seconds off.
Press here
4. When the symbol ‘bo’ is flashing, briefly touch
the left touch zone to send the binding signal,
at which point the symbol will flash several times.
5. If binding has been successful the number indicates
the signal strength (1 = min to 5 = max).
If binding fails, appears on screen. Please try again.
6. The red LED on the Boiler Relay will turn off when binding
has been successful.
Note: binding can be cancelled from the binding
screen by touching and holding on the left touch
zone for approximately 10 seconds.
Installation Menu
The single Zone Thermostat has an Installation
Menu that is used to set the minimum and maximum
temperature limits and the off temperature setting.
Maximum and minimum temperatures:
The maximum temperature you can set your
thermostat to is 35ºC and the minimum is 5ºC.
The off temperature:
If the thermostat is operated remotely, this is the temperature
value that is used when it is switched off from the remote app.
4. Touch the left touch zone to
display the off temperature
setting. Change this using
the setting ring as before.
5. The Installation Menu closes
automatically 10 seconds
after the last action.
2. The maximum temperature
limit is now displayed. The
setting can be changed using
the setting ring. There is no
need to confirm the value.
Touch zones.
There are two touch zones just below the thermostat
display, which are used to access menus and functions.
3. While this setting is flashing,
touch the left touch zone
briefly to display the minimum
temperature limit. This can also
be changed using the setting ring.
1. Rotate the setting ring fully to
the left until the minimum value
is shown. When the value starts
flashing, touch and hold on both
left and right touch zonesfor
approximately 10 seconds.
Activate the Installation Menu as follows:
10s
10s 10s

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
14. Replace the dial.
13. Attach the thermostat to
the mounting plate.
Step 1
Hook in here
Step 2
Click into place
Binding to the Boiler Relay
The Single Zone Thermostat is supplied ready to install,
binding is only required if the Thermostat and Boiler Relay
are purchased separately.
2. You can now bind the Single
Zone Thermostat. Touch and
hold on the left touch zone for
approximately 10 seconds.
3. The screen for binding the
Boiler Relay is now displayed.
Successful binding Failed binding
1. First, set the Boiler Relay
into binding mode by holding
down the BIND button for
5 seconds, until the red
LED ashes 0.5 seconds
on 0.5 seconds off.
Press here 4. When the symbol ‘bo’ is flashing, briefly touch
the left touch zone to send the binding signal,
at which point the symbol will flash several times.
5. If binding has been successful the number indicates
the signal strength (1 = min to 5 = max).
If binding fails, appears on screen. Please try again.
6. The red LED on the Boiler Relay will turn off when binding
has been successful.
Note: binding can be cancelled from the binding
screen by touching and holding on the left touch
zone for approximately 10 seconds.
Installation Menu
The single Zone Thermostat has an Installation
Menu that is used to set the minimum and maximum
temperature limits and the off temperature setting.
Maximum and minimum temperatures:
The maximum temperature you can set your
thermostat to is 35ºC and the minimum is 5ºC.
The off temperature:
If the thermostat is operated remotely, this is the temperature
value that is used when it is switched off from the remote app.
4. Touch the left touch zone to
display the off temperature
setting. Change this using
the setting ring as before.
5. The Installation Menu closes
automatically 10 seconds
after the last action.
2. The maximum temperature
limit is now displayed. The
setting can be changed using
the setting ring. There is no
need to confirm the value.
Touch zones.
There are two touch zones just below the thermostat
display, which are used to access menus and functions.
3. While this setting is flashing,
touch the left touch zone
briefly to display the minimum
temperature limit. This can also
be changed using the setting ring.
1. Rotate the setting ring fully to
the left until the minimum value
is shown. When the value starts
flashing, touch and hold on both
left and right touch zonesfor
approximately 10 seconds.
Activate the Installation Menu as follows:
10s
10s 10s

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
14. Replace the dial.
13. Attach the thermostat to
the mounting plate.
Step 1
Hook in here
Step 2
Click into place
Binding to the Boiler Relay
The Single Zone Thermostat is supplied ready to install,
binding is only required if the Thermostat and Boiler Relay
are purchased separately.
2. You can now bind the Single
Zone Thermostat. Touch and
hold on the left touch zone for
approximately 10 seconds.
3. The screen for binding the
Boiler Relay is now displayed.
Successful binding Failed binding
1. First, set the Boiler Relay
into binding mode by holding
down the BIND button for
5 seconds, until the red
LED ashes 0.5 seconds
on 0.5 seconds off.
Press here 4. When the symbol ‘bo’ is flashing, briefly touch
the left touch zone to send the binding signal,
at which point the symbol will flash several times.
5. If binding has been successful the number indicates
the signal strength (1 = min to 5 = max).
If binding fails, appears on screen. Please try again.
6. The red LED on the Boiler Relay will turn off when binding
has been successful.
Note: binding can be cancelled from the binding
screen by touching and holding on the left touch
zone for approximately 10 seconds.
Installation Menu
The single Zone Thermostat has an Installation
Menu that is used to set the minimum and maximum
temperature limits and the off temperature setting.
Maximum and minimum temperatures:
The maximum temperature you can set your
thermostat to is 35ºC and the minimum is 5ºC.
The off temperature:
If the thermostat is operated remotely, this is the temperature
value that is used when it is switched off from the remote app.
4. Touch the left touch zone to
display the off temperature
setting. Change this using
the setting ring as before.
5. The Installation Menu closes
automatically 10 seconds
after the last action.
2. The maximum temperature
limit is now displayed. The
setting can be changed using
the setting ring. There is no
need to confirm the value.
Touch zones.
There are two touch zones just below the thermostat
display, which are used to access menus and functions.
3. While this setting is flashing,
touch the left touch zone
briefly to display the minimum
temperature limit. This can also
be changed using the setting ring.
1. Rotate the setting ring fully to
the left until the minimum value
is shown. When the value starts
flashing, touch and hold on both
left and right touch zonesfor
approximately 10 seconds.
Activate the Installation Menu as follows:
10s
10s 10s

Installation Guide
Single Zone Thermostat
Y87RF
1. Disconnect the mains power from the Heating Appliance.
To ensure your safety, always make sure mains
power is switched off before accessing wiring.
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).
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.
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.
Manufactured for and on behalf of the
Environmental and Combustion Controls
Division of Honeywell Technologies Sàrl,
ACS-ECC EMEA, Z.A. La Pièce 16,
1180 Rolle, Switzerland by its Authorised
Representative Honeywell Inc.
Need help? For assistance please visit:
www.honeywelluk.com
Honeywell Control Systems Ltd.
Skimped Hill Lane, Bracknell, Berkshire
RG12 1EB
WEEE Directive
2012/19/EC
Waste Electrical
and Electronic
Equipment directive
•Attheendoftheproductlifedispose
of the packaging and product in a
corresponding recycling centre.
•Donotdisposeoftheunitwith
the usual domestic refuse.
•Donotburntheproduct.
•Removethebatteries.
•Disposeofthebatteriesaccordingto
the local statutory requirements and
not with the usual domestic refuse.
Approvals
Conforms to protection requirements
of the following directives:
EMC: 2004/108/EC
LVD: 2006/95/EC
R&TTE: 1999/05/EC
Hereby, Honeywell, declares that this
Single Zone Thermostat is in compliance
with the essential requirements and other
relevant provisions of Directive 1999/5/EC.
Installation instructions
Power
supply from
fused spur
To heating appliance
1,5-2,5mm2
max 6mm
>7mm 0
<7mm 0
32301889-001 A