Viessmann MatriX Service Instructions For Contractors page 21

Opening the boiler door
Disconnecting cables/pipes
aB] /
fÖ
A
/
fÖ aBH
Fig. 16
Burner cables with plugs
A
Power cable with plug
B
1. Disconnect burner cables
trol unit. Route the cables out of the burner casing.
2. Disconnect cables
B
strain relief fitting. Route the cables out of the
burner casing.
(cont.)
2.
1.
aB] B
D
C
B
A
3.
and
fA lÖ
fÖ
A from the burner con-
to from the burner and
D
Commissioning, inspection, maintenance
fA
lÖ
Control unit connecting cable with plug
C
Flue gas temperature sensors
D
3. Remove the gas supply pipe.
4. If available, remove the hose for room sealed oper-
ation.
/
fÖ aBH
A/ B
aG aG
21