SmartCombi™ & ClassicCombi™ Service
Gas burner pipe replacement instructions
Valid for:
All gas units
Arrangements:
Disconnect unit from the gas and electrical supply.
Disassemble gas valve according to mounting instructions No.21 HD_02/2008.
Disassemble gas blower according to mounting instructions No.22 HD_02/2008.
Disassemble gas burner according to mounting instructions No.23 HD_02/2008.
Disassembling:
Assembling:
4
The assembly
has to be
➢
must be replaced. Use Anti-Seize for all nuts [1]!
Make sure that
no metal hairs of the burner be in the area of the ionization electrode [4]!
➢
If necessary, remove (shave burner surface in this area) longer "hairs" to prevent a ground
➢
shortcut.
Mount gas burner, blower and valve according to mounting information.
➢
Finally, a gas leakage testas well the CO2 calibration has to be carried out! (see also installation or
➢
service manual)
Final performance test and mount side wall.
➢
3
1
carried out in reversed order The seal at the burner pipe [3] (MM211141)
Loosen screws[1] and remove
➢
burner pipe [2].
2
No.26 HD_02/2008
39