Viessmann vitodens Technical Manual page 12

1.2 Specification
Vitodens 300
300
Vitodens 300 from 49.0 kW
212
1
50
550 (length)
Key to symbols
ADG Expansion vessel (G 1")
ATR Drain funnel connection
GA Gas connection
HR Heating return
HV Heating flow
KAS Boiler adaptor
OKFF Top edge finished floor
SIV Safety valve
SRL Cylinder return G 1½"
SVL Cylinder flow G 1½"
12
300
KAS
SIV
SVL SRL
HV GA HR
ADG
75
187
300
413
525
600 (width)
OKFF
GA
ATR
300
600
VITODENS