Viessmann Vitocal 300-G Installation And Service Instructions Manual page 14
Heat pump with electric drive, 1 and 2-stage. brine/water heat pump: 5.7 to 34.4 kw. with conversion kit to water/water heat pump: 7.5 to 45.2 kw
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Also See for Vitocal 300-G:
- Installation and service instructions manual (256 pages) ,
- Installation and service instructions for contractors (144 pages) ,
- Operating and service instructions (104 pages)
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Preparing for installation
Primary circuit, type BW 301.B + BWS 301.B (2-stage)
Connecting the sensors and limiters
2
X3.3
X1.
X3.4
X3.8
X1.
X3.9
F2
F3
Fig. 8
With water/water heat pump conversion kit: 1 common primary pump
Note
If heat pump stages 1 and 2 (type BW 301.B and type
BWS 301.B) are installed with different rated heating
outputs, 2 primary pumps are required due to the dif-
ferent flow rates.
14
aS
PT500
aD
PT500
(cont.)
230 V; 0.15 A
wE
230 V; 0.15 A
wQ
230 V; 0.15 A
qO
qZ
qU
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