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Fig. 3
Suggested Programmer wall plate mounting
▶ Engage the four clips on the back of the Programmer [2]
with the four slots on the wall plate as shown in figure 4
▶ Push the Programmer down into the wall plate to secure
▶ Engage the tabs on the top retainer [3] into the slots on the
wall plate [1] and push down onto the Programmer
1
2
Fig. 4
Fitting Timer to wall plate assembly
3.3
Time and date set up
▶ Turn the boiler ON
▶ Fit the batteries into the Room thermostat, refer to
section 9.1 for instruction on how to fit the batteries
Before mounting the Room thermostat on the wall, it is good
practice to find a position that affords good signal strength.
To check the signal strength, refer to section 6.7 S2 RF Signal
strength on page 18.
The Programmer/Receiver and Room
Thermostat are factory set and "Paired" to
each other, so that they are fully operational.
Comfort I– 6720810964 (2014/07)
The unit will initially display an error code A21 "No wireless
signal to EMS interface", refer to chapter 7 for information on
fault codes.
When they have established RF communications with each
other, the Programmer/Receiver display will revert to a factory
default time and date with the control in "Auto" mode for both
heating and hot water.
The Room thermostat will display the current room
temperature.
3.4
3
3.4.1 Programmer/Receiver - Installer menu -
The Room thermostat and Programmer/Receiver must be in
the same mode of pairing.
The Programmer/Receiver Pairing/Unpairing function is found
under the Installer menu, in Radio settings and Pair.
6720810964-25.1Wo
To enter the Installer menu, press the menu button and return
button for more than three seconds.
Six icons are shown across the top of the display:
1. Heating
2. Hot water
3. Holiday
4. Info
5. Settings
6. Installer setting
Turn the knob to select the Installer icon
knob to enter the function.
Set the current time and date
▶ Hold the menu button down for more than
3 seconds to enter the user menu, turn the
knob to select Settings and press to enter
▶ Refer to section 5.1.5 Info - Time/Date
for setting the Time and Date, and clock
format
Pairing/Unpairing the units
The Programmer/Receiver and Room
thermostat are delivered together and are
factory paired, they automatically connect
when the system is switched on. There is no
need to pair/unpair the units during
installation, unless there is a problem with
one or both of the units.
If a faulty unit is replaced with a new unit, then
the existing unit must be unpaired before the
two units can be paired.
If the units have to be paired/unpaired, all units
must be in the same pairing/unpairing mode.
Radio settings - Pair
Installation
and press the
7
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