Instructions for the installer
42
3.15 Starting up the boiler
3.15.1
Preliminary checks
Before starting the boiler, check that:
•
The flue gas venting duct and the relevant terminal are installed in conformity with the instructions: with the boiler operating, there
must be no leakage of combustion by-products from any of the gaskets.
•
The supply power to the boiler must be 230 V ~ 50 Hz.
•
The heating system is correctly filled with water (pressure gauge reading 1÷1.3 bar).
•
Any shut-off cocks in the system pipes are open.
•
The mains gas type is correct for the boiler calibration: convert the boiler to the available gas if necessary (see
Adaptation to other
gas types and burner adjustment
on page
45
). This operation is to be exclusively carried out by qualified personnel.
• The gas supply cock is open.
• There are no fuel gas leaks.
•
The main switch installed adjacent to the boiler is turned on.
• The safety valve is not blocked.
• There are no water leaks.
• The pump has not seized.
3.15.2
Switching on and switching off
To switch the boiler on and off, refer to the
“Instructions for the User”
(see
Instructions for the user
on page
8
).
3.16 Available head
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Fig. 18 Available head CTFS 13 AF
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Fig. 19 Available head CTN 13 AF
Q
. . . . . . . . . . . .
Flow rate (l/h)
H
. . . . . . . . . . . . Available head (mbar)
