Viessmann Vitorond 200 VD2 Series Technical Data Manual page 10

Product Information
Technical Data
Boiler return
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Boiler return
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10
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Boiler supply
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Boiler supply
connection
Boiler return
connection
Boiler supply
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Boiler supply
connection
Boiler return
connection
Vitorond 200, VD2 Series 320 to 1080 Technical Data
30% Boiler Flow Package
The 30% boiler flow package consists of:
H 1 Boiler pump,
H 2 ball valves
H 1 flow check valve
Legend
A Low water cut-off (standard equipment)
B Boiler shunt pump for return water temperature
elevation
C Flow check valve
D Location of Honeywell aquastat (to control boiler
pump)
E Location of aJ sensor (installed in stainless steel well)
All boiler piping field supplied.
100% Boiler Flow Package
The 100% boiler flow package consists of:
H 1 3-Way return water mixing valve
H 1 actuator
H 1 circulating pump
Legend
A Boiler pump
B 3-Way mixing valve
C Low water cut-off (standard equipment)
D Location of aJ sensor (installed in stainless steel well)
All boiler piping field supplied.
IMPORTANT
It is essential that the designer review the sizing of all
pumps including the boiler pump normally supplied with
the 100% Boiler Flow Package to verify that all pumps
in the system operate correctly. The responsibility for the
distribution system design, including all circulation pumps,
remains with the system designer.