Viessmann Vitocal 300-G Installation And Service Instructions For Contractors page 31

Compact heat pump with electric drive single and two-stage
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Primary circuit, type WW + BWS (two-stage)
Connecting the sensors and limiters
2
X3.3
X1.
?
X3.4
X3.8
X1.
?
X3.9
[G
X
[G
X
230 V; 2 mA
´
230 V; 0.15 A wQ
P
230 V; 0.15 A qO
Pt 500
12
Pt 500
13
Preparing for installation
(cont.)
wE
qZ
qU
31

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