Vaillant atmoMAG 4/1 Z Series, Installation And Maintenance Instructions Manual

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Appendix
0020271943_00 atmoMAG Installation and maintenance instructions
23
Burner pressure
Gas family Burner pressure for nominal heat input
11-4/1 14-4/1
Natural gas 2E (G20) 1.12 kPa (11.2 mbar) 1.38 kPa (13.8 mbar)
Natural gas 2E+ (G25) 1.48 kPa (14.8 mbar) 1.85 kPa (18.5 mbar)
Liquid gas 3P (G31) 3.17 kPa (31.7 mbar) 3.45 kPa (34.5 mbar)
E Inspection and maintenance interval
The table below lists the manufacturer requirements with respect to minimum inspection and maintenance intervals. If na-
tional regulations and directives require shorter inspection and maintenance intervals, you should observe these instead of
the intervals listed. Each time inspection and maintenance work is carried out, carry out the required preparatory and com-
pletion work.
# Maintenance work Interval
1 Remove any dirt from the product Annually
2 Check the flue gas sensor for dirt and damage. Checking that the flue
gas sensor is working correctly by completely blocking the flue gas with
flue gas restrictors Annually
3 Checking the safety cut-out for dirt and damage Annually
4 Cleaning the burner If required, at least every
2 years
16
5 Cleaning the heat exchanger If required, at least every
2 years
18
6 Cleaning the injector rail If required, at least every
2 years
16
7 Cleaning the down-draught diverter If required, at least every
2 years
17
8 Check the ignition electrode and thermocouple for damage, and replace
any bent and damaged components Annually
9 Checking the seals on the test nipples for damage and replacing any
damaged seals Annually
10 Checking that the water flow switch (micro switch) is working correctly Annually
11 Carry out a test operation on the product, incl. domestic hot water gener-
ation Annually
12 Checking leak-tightness Annually
14
13 Checking the heat input Annually
18
14 Check the flame pattern. Flames must not touch the heat exchanger shaft If required, at least every
2 years
15 Visually inspecting the test nipples and hoses Annually
16 Interrupt the thermocurrent by disconnecting the connection between the
thermocouple and holding magnet. The product must be shut down Annually
17 Checking the water valve If required, at least every
2 years
18
18 Logging flue-gas measured values and any maintenance work that was
carried out Annually
19 Checking the product to see if flue gas is escaping at the down-draught
diverter, with the doors and windows closed and the casing installed Annually