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24 Controls and operation
Control Introduction
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on Natural gas or Liquefied Petroleum (Propane) gas, generating
extremely low emissions.
The boiler is constructed with a stainless steel heat exchanger
Inside the boiler there is a premix burner with a large stainless
mostat and a low water pressure switch.
Figure 72
1
Domestic Hot Water temperature setpoint decreasing button
2
Domestic Hot Water temperature setpoint increasing button
3
Central Heating water temperature setpoint decreasing
button
4
Central Heating water temperature setpoint increasing button
5
LCD Display
6
Reset / OTC button
7
8
Domestic Hot Water symbol
Domestic Hot Water mode operation
56
M
-
OUNT GAS
FIRED WATER BOILER
—
Boiler Manual
Thanks to the microprocessor control and adjustment system
-
automatic. The system heating temperature is automatically
governed by the control system.
operating status and it is easily possible to obtain and adjust
temperature set-points, etc. or configure them. Any operating
problems associated with the boiler are immediately signalled by
-
Figure 72
11
exchanger protection)
12
Economy symbol
13
Central Heating mode operation
14
Central Heating symbol
15
Burner on and actual load indication (Flashing during
flame current supervision)
16
Service tool connector
17
Temperature-Pressure gauge
Part number 550-142-850/0115