Viessmann VITOCAL 300-G Installation And Service Instructions Manual page 26

Compact heat pump with electric drive single and two-stage, type bw/bws, ww/wws
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Preparing for installation
Primary circuit, type WW (water/water)
Well pump on-site connection 400 V~
2
sYYA
.
X1.
?
X2.N
26
(cont.)
200 W
M
1~
L1 L2 L3
?
K1
I>I>I>
M
UP
3~
wZ
UP
qT

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