
Ideal Viscount GTE -
Installation, Assembly & Servicing
41
CONTROL PANEL
7.
CONTROL PANEL
7.1 Standard Control Panel
IMPORTANT
The boiler connections shall be performed by a
qualified professional only.
Strict compliance with these operating, starting
up and connecting instructions is a precondition
for the correct operation of the boiler.
C
30
0
I
6A
7
6
5
4
2
1
3
VIS5143
7.1.1 Overview
1.
Main On/Off switch
2.
Test STB switch :
temporary action to test the safety
thermostat.
3.
Boiler thermostats
(with 30-85°C adjustment range) : A
factory-set stop limits the maximum temperature to 75°C.
The stop may be moved if necessary (see section 6).
4.
Boiler thermometer
5.
Location for flue gas thermometer
(optional).
6.
6 A Circuit-breaker
with delayed action and manual reset.
7.
Safety thermostat
with manual reset, set to 110°C
7.1.2 Operating Principle
The boiler may be regulated :
-
either by the boiler thermostats,
If the burner fitted in the boiler is a two-stage burner, each
thermostat may be allocated to the operating of a single
stage. In this case, the second-stage thermostat must always
be set to a value which is at least 5°C below that of the first-
stage thermostat.
-
or by a control unit in the electrical cabinet
In this case, safe operation is ensured by the safety
thermostat with manual reset.