IDEAL Harrier GTS 5 Installation And Servicing page 32

50 COMMISSIONING
IMPORTANT. Domestic hot water circuits (if they exist) and
heating circuits must have been filled and bled, and leak
tightness tests must have been carried out on them, in
accordance with the instructions for the domestic hot water
calorifier (if existing) and boiler.
7 6
1. Boiler ON/OFF switch.
Position .....ON Position
2. TEST STB:
When held in the pressed (momentary use) position it
tests the safety thermostat.
Note. If two stage burner control fitted operation will
continue on 1st stage after 2nd stage cut-off.
3. Boiler Thermostats:
Adjustment range 30-90
For ON/OFF burners use 1st stage thermostat only.
For two stage burners set 2nd stage 5
stage setting.
51 BOILER THERMOSTAT (Maximum Setting Adjustment)
The boiler thermostats maximum setting are factory set at
75 C. The fixed stop controlling the maximum setting is
o
adjustable as follows:
1. Carefully remove the control knob.
2. Pull out the pin from the back of the knob.
3. Relocate in the desired position, (maximum 90
(The setting numbers 3-9 are approximately scaled to
represent 30-90 C)
o
4. Carefully replace the knob ensuring that the new pin
position is at the correct side of the stop.
5. Rotate the knob to the new desired maximum position to
check correct setting.
32
INSTALLATION
2 1
3A
.....OFF
C
o
C below 1st
o
C).
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Refer to the following instructions and Frame 53 to start up the
boiler.
- the instructions delivered with the burner.
- the instructions delivered with the domestic hot water
calorifier, (if existing).
4
3B
4. Boiler Thermometer
5. Location for Flue Gas Thermometer (Optional)
6. Timed Circuit Breaker:
10A with delayed action and manual reset.
7. Safety Thermostat:
Set at 110 C. Manual reset.
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Harrier GTS -
5
har9096
Installation & Servicing