Installing The Sight Glass; Mounting The Burner - Viessmann VITOMAX 200-HS M73A Installation Instructions Manual

Connections on the flue gas side
Boiler size
Inter-
*2
Flue outlet
nal7
mm
Danger
Risk of poisoning through escap-
ing flue gas.
Seal the condensate drain con-
nectors A if they are not used.
They are designed for draining
the water from the flue gas col-
lector that may accumulate when
cleaning the economiser or for
draining any condensate collec-
ted in the start-up condition.

Installing the sight glass

Mounting the burner

Separate burner documentation.
Internal diameter, for external diameter +8 mm.
*2
16
(cont.)
1 2 3
152 192 216
Fit sight glass (inside the flame tube) to
the cleaning door on the back of the
boiler.
4 5 6
242 272 307
7 8 9
346 392 442