36
5.
3.
2.
4.
4.8 x 9.5
1.
Fig. 43
Note
The coding card is supplied in the burner package.
4.
Align the top panel with the boiler.
5.
If necessary, do not fit the back top panel until after
the heating water connections have been installed.
Connections on the heating water side
A
B
C
D
E
Fig. 44
A
Boiler flow up to 160 kW DN 50, >160 kW DN 65
B
Pressure gauge R
½
C
Drain R 1
¼
D
Boiler return up to 160 kW DN 50, >160 kW DN 65
E
Safety valve R 1
¼
Note
The Vitocrossal is only suitable for fully pumped hot
water heating systems.
Never install 4-way mixers, overflow valves or other
flow/return bypass devices.
Never connect a heating return to the safety return.
!
Please note
Connections subject to mechanical load can
cause appliance damage.
Connect the pipework free of load and torque
stress.
1.
Thoroughly flush the heating system.
2.
Connect the heating circuits.
Inserting the coding card, fitting the top panels
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