Commissioning - Hamworthy VARMAX 120 Installation, Commissioning And Servicing Instructions

VARMAX - Installation, Use and Maintenance

5.3. Commissioning

Flue-gas sample
point
figure 34 - Taking a sample
WARNING:
46 / 156
Before being packed up, all boilers are tested in the factory operating on
group H natural gas (type G20), during which all settings are made.
For commissioning, carry out the following operations:
U0501961-A
Any work on a sealed element leads to loss of warranty.
1. Switch on the main power.
2. Create a request for heat via the comfort mode
using the customer interface (see chapter "3 -
Interface utilisateur" of the LMS boiler command
table instructions).
3. After starting up the burner, check the gas
tightness of the gas line connections using a
foaming product. Check combustion health using
a flue-gas analyser via a sample taken from the
flue outlet (see diagram opposite).
CO value range:
2
G20:
at Qmin: 8,3 % < CO
at Qmax: 8,8 % < CO
G31:
at Qmin: 9,8 % < CO
at Qmax: 10,4 % < CO
4. Adjust the boiler setting (refer to the table
summarising customer parameters at the end of
this manual).
< 8,7 %
2
< 9,2 %
2
< 10,2 %
2
< 10,8 %
2
00BNO9168-I (U0606551)