Vailant ecoTEC plus 937, Инструкция по установке и обслуживанию

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Installation and maintenance instructions ecoTEC plus 937 0020031552_06
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Fig. 8.7 Fitting the thermo-compact module
Insert the compact thermo module ( 9 ) in the integral
condensation heat exchanger ( 10 ).
Tighten the four nuts ( 4 ) alternately on the left and
right until the burner door closes securely and evenly
over the surface of the heat exchanger.
Re-connect the ignition cable (
5 ) and the earth
wire ( 6 ) to the ignition electrode.
Connect the cable ( 8 ) to the fan motor and the
cable ( 7 ) to the gas fitting.
2
3
1
Fig. 8.8 Connecting the gas supply
Re-connect the gas supply ( 3 ) to the gas valve. Use a
new seal and ensure it is correctly located. Use the
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flats of the spanner on the flexible gas pipe to hold
the gas fittings in position.
11
Fig. 8.9 Checking the gas supply for leaks
Turn on the gas supply and check for leaks. Pay par-
ticular attention to fittings (
3 ) and ( 11 ).
Re-connect the air inlet pipe ( 1 ) and make sure that
the blue seal is correctly located in the air inlet pipe.
8.3 Cleaning the condensate trap
a
Danger!
Risk of poisoning due to escaping exhaust
gas.
Exhaust gases may escape through the empty
condensate trap.
Fill the condensate trap with water to pre-
vent exhaust gas from escaping through
the trap.
1
Fig. 8.10 Cleaning the condensate siphon
Remove the lower section ( 1 ) of the water condensate
siphon by turning the bayonet connection in a coun-
terclockwise direction.
Clean the siphon part by flushing it out with water.
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Inspection and maintenance 8