Connections On The Heating Water Side - Viessmann Vitogate 300 Installation Instructions Manual

Connections on the heating water side

H
G
F
E
D
C
B
A
A Boiler return 1
for 187 and 248 kW: PN 6 DN 65
for 314 kW: PN 6 DN 80
for 408 to 635 kW: PN 6 DN 100
B Drain: R 1
C Boiler return 2
for 187 to 314 kW: PN 6 DN 50
for 408 to 635 kW: PN 6 DN 80
D Female connection for pressure lim-
iters: R ½
E Safety connection (safety valve)
for 187 to 314 kW: R 1¼
for 408 to 635 kW: R 1½
F Boiler water temperature sensor
G Female connection for additional
control equipment: R ¾
H Boiler flow
for 187 and 248 kW: PN 6 DN 65
for 314 kW: PN 6 DN 80
for 408 to 635 kW: PN 6 DN 100
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