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VARMAX -
Installation, Use and Maintenance
4.10.
Changing the gas type
(
G20 to G31)
INFORMATION:
The boiler has been adjusted in the factory to work with group H (type
G20) natural gas with a supply pressure of 20 mbar.
Its adaptation to suit any other type of gas must take place in
compliance with the regulations in effect in the country in which the
appliance is installed.
WARNING:
Any operations involving changing the type of gas used must be
performed by a qualified professional.
WARNING:
ONLY for relevant boilers (see paragraph
2.6, page 13) and boilers
connected to B23 and B23P.
4.10.1. Changing prepurging, ignition, minimum and maximum speeds
Place the boiler in standby mode (see § 3.3.1 of the NAVISTEM B3000 boiler
command table instructions).
If necessary, press the ESC b
utton to return to the main screen.
Access the
Settings
menu.
Adjust the prepurging speed (9504), ignition speed (9512), minimum speed
(9524) and maximum speed (9529) settings:
Models
Gas
9504
9512
9524
9529
120
G20
1690
6490
G31
2040
5800
140
G20
1690
7460
G31
2040
6800
180
G20
2390
2390
1280
4410
G31
2580
2580
1640
4240
225
G20
2390
2390
1280
5400
G31
2580
2580
1640
5060
275
G20
1360
4620
G31
1700
4500
320
G20
1360
5450
G31
1700
5300
G31
Содержание VARMAX 120
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