30
Viceroy GTS -
Installation & Servicing
INSTALLATION
46 BOILER THERMOSTAT (Maximum Setting Adjustment)
The boiler thermostats maximum setting are factory set at 75ºC.
The fixed stop controlling the maximum setting is 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.
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. (The setting numbers 3-9 are
approximately scaled to represent 30-90ºC).
45 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.
Refer to the following instructions and Frame 48 to start up the
boiler.
- the instructions delivered with the burner.
- the instructions delivered with the domestic hot water calorifier,
(if existing).
1. Boiler
ON/OFF switch.
Position .....ON Position .....OFF
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
o
C
For ON/OFF burners use 1st stage thermostat only.
For two stage burners set 2nd stage 5
o
C below 1st
stage setting.
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
o
C. Manual reset.
7
6
2
1
3A
3B
4
5
har9096
INST
ALLA
TION
