5
Commissioning
Installation and operating instructions
40
Gas Combi Unit
Floor-standing gas condensing boiler with integrated heat storage
008.1543899_02 – 04/2019 – EN
5.2
Checklists for commissioning
Checklist before commissioning
1.
Is the GCU compact properly installed in accordance with a permitted set-up variant and without any discernible dam-
age?
Yes
2.
Combustion air supply secured?
Yes
3.
Adequate ventilation and extraction in the heating room with limited ambient air-independent (separate flue gas/air supply
line) or ambient air-dependent operation?
Yes
4.
Does the mains connection conform to the specifications?
Yes
5.
Is the mains voltage 230 V, 50 Hz?
Yes
6.
Flue gas pipe connected correctly with a consistent gradient (at least 3°) and no leaks?
Yes
7.
Condensate siphon filled, condensate drain hose correctly connected and sealed?
Yes
8.
Is the storage tank filled with water to the overflow point; is the overflow pipe properly connected and sealed?
Yes
9.
On restoration: heat distribution network flushed out? Sludge separator fitted in heating return flow?
Yes
10.
Is the diaphragm expansion tank mounted according to specifications and of the requisite size?
Yes
11.
Is the safety valve connected to a safe, free drain?
Yes
12.
Has the quality of the filling water been checked and has any necessary water preparation been carried out?
Yes
13.
System water pressure within prescribed range?
Yes
14.
Boiler and heating system filled, vented and charged with the correct pressure?
Yes
15.
All sensors connected and correctly positioned?
Yes
16.
Mixer group, mixer module and mixer circuit sensor (optional) connected correctly?
Yes
17.
Room controller (optional) correctly connected to the PCB?
Yes
18.
Gas connection installed according to specifications, expertly and correctly?
Yes
19.
Gas line vented expertly and checked for leaks?
Yes
20.
Do the gas type and gas inlet pressure correspond to the values indicated on the boiler sticker?
Yes
Only if all questions can be answered with "Yes" may the system be
started up.
Checklist after commissioning
A
Is the heating circulation pump running, does the heater get hot?
Yes
B
Is the flow pressure for the gas type within the permitted range?
Yes
C
Has the screw for the gas pressure test point been retightened and is it leak-tight?
Yes
D
Has the resistance of the flue gas pipe been measured and is it higher than the minimum resistance?
Yes
E
Have the burner settings been checked by using a flue gas analyser and do the values lie within the stipulated range?
Yes
F
Has the protective cover been re-installed after commissioning?
Yes
Only if all questions can be answered with "Yes" may the system be
handed over to the user/owner.
1
Fill out the supplied installation and instruction form as well as
the first pages of the operating manual together with the oper-
ator.
Summary of Contents for GCU compact Series
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