Vaillant ecoMAX 665, Installation And Maintenance Manual

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Installation and maintenance manual ecoMAX 665 / 0020020159_03
No. Step
To be carried out during:
Inspection Maintenance
1
Disconnect the appliance from the mains supply, close the gas supply and maintenance cocks,
depressurize the appliance on the water side (observe the pressure gauge)
X
2 Dismantle thermal compact module X
3 Clean the integral condensation heat exchanger X
4 Check whether the burner is dirty X
5 Install compact thermal module. Caution: replace the seals! X
6
Check whether the electrical plug connections and other connections are fitted tightly
and make adjustments, if necessary.
X X
7 Cleaning the air intake tube X
8
Open the maintenance cocks and fill the appliance/system up to about 1.0 - 2.0 bar
(depending on the static height of the system); start the venting program
X
9
Check the overall condition of the appliance, remove general dirt from the appliance
and the vacuum chamber
X X
10 Check the condensate siphon in the appliance, and clean and fill it if necessary. X X
11 Clean the condensate paths in the appliance X
12 Open the gas supply and switch on the appliance X X
13
Perform a test run on the appliance and heating system, including
water heating, and bleed if necessary
X X
14 Test ignition and burner performance X X
15 Check whether the appliance is leaking flue gas, water or condensate X X
16 Check the flue system for leaks and that it is fixed properly, and make adjustments if necessary X X
17 Check appliance gas setting, reset and record if necessary. X
18 Complete the gas commissioning checklist (Benchmark) X X
Table 7.1: Maintenance steps
7 Inspection and maintenance