6
Installation
Comfort I – 6720810964 (2014/07)
3
Installation
Refer to the boiler’s Installation, Commissioning and Servicing
instruction manual for information on the boiler.
Refer to this manual for detailed information on installing and
using the Comfort I RF.
A brief overview of the Comfort I RF installation procedure is
listed below:
▶ Isolate the boiler
▶ Remove any panels or casings required to gain access to
the control panel
▶ Mount the Programmer/Receiver (boiler fascia or a suitable
wall location using the optional Wall Mounting Plate Kit, this
will require wiring between the boiler EMS BUS
connections and Wall Mounting Plate)
▶ Turn the boiler on
▶ Set time and date on the Programmer/Receiver
▶ Insert batteries in the Room thermostat
▶ The units will automatically connect to each other
▶ Ensure that the signal strength is adequate at the Room
thermostat before mounting in a suitable reference room
Section 6.7
3.1
Comfort I RF Installation
The Comfort I Twin Channel Radio Frequency Programmer/
Receiver and Room Thermostat comprises two units: the
Programmer/Receiver that mounts into the boiler fascia or,
with an optional wall mounting kit, onto the wall, and the Room
thermostat that mounts on the wall in a suitable reference
room.
3.2
Programmer/Receiver mounting
There are two methods of mounting the Programmer/Receiver:
•
In the boiler fascia
•
On the wall (optional wall mounting kit 7 733 600 039)
If your boiler is located remotely i.e. in the loft or an
outbuilding you may want the Programmer/Receiver to be
conveniently located for easy access
Boiler fascia mounted Programmer/Receiver
Refer to your boiler’s Installation, Commissioning and Servicing
instruction manual for mounting the Programmer/Receiver into
the boiler fascia.
Wall mounted Programmer/Receiver
Choose a convenient wall location, approximately 1.2 metres
from the floor, to mount the Programmer/Receiver.
Programmer/boiler connection
The Comfort I RF connects to your boiler’s EMS BUS
connections.
Run a two core cable from the boiler to the Programmer.
Use an electrical cable with a minimum rating of H05VV-F.
For cable runs up to:
▶ 100 metres, use 0.50mm
2
conductor cross sectional area
▶ 300 metres, use 1.5mm
2
conductor cross sectional area
Connect the cable to the EMS bus point connections on the
boiler control circuit board, refer to the Installation,
Commissioning and Servicing instruction manual for your
boiler to locate the EMS connections.
Optional wall mounting kit
Using the wall plate as a template, mark the position of the
mounting screws.
The optional wall mounting kit contains:
•
2 x countersunk screws
•
2 x plastic wall plugs
•
Wall plate
•
Top retainer
▶ Drill two holes to suit the size and depth of the wall plugs
▶ Fit the wall plugs
▶ Feed the two core cable through the back of the wall plate
▶ Fit the wall plate [1], ensuring that it is level and tighten the
screws to secure
▶ Connect the two core cable to the terminal block, one core
to each outer connection, ignore the middle connection
CAUTION:
Mains supplies
▶ Isolate the mains supplies to the boiler
before starting any work, and follow all
relevant safety precautions
NOTICE: EMS Connections
▶
The Programmer must NOT be
connected to the boiler’s 230 volt
supply or an external 230 volt supply.
▶ Ensure that the EMS cable is at least
100mm away from any power cables to
eliminate any mains interference
▶ EMS connections are not polarity sensitive
The Comfort I RF connects to your boiler’s EMS
BUS connections only, on an edge connector
identified either with
B B
or
.