66
Connections, heat pump load connection
Vitocal type 352.A114/
SA
352.A132/
SA
352.A156/
SA
352.A172/
SA
352.A198/
SA
Connection
cross-sec-
tion, HP cir-
cuit breaker
95 mm
2
95 mm
2
120 mm
2
120 mm
2
150 mm
2
Torque, HP
circuit break-
er
12 Nm
12 Nm
12 Nm
12 Nm
12 Nm
Connection
cross-sec-
tion, PE ter-
minal op-
tions
95 mm
2
95 mm
2
120 mm
2
120 mm
2
150 mm
2
Torque, PE
terminal op-
tions
12 Nm
12 Nm
12 Nm
12 Nm
12 Nm
Power supply with power-OFF
On-site power-OFF without load disconnect
This represents the delivered condition
of the heat pump. The power-OFF signal
is connected directly to the heat pump
control unit. The compressors are
"forced off" when power-OFF is ena-
bled.
Note
Observe the technical connection condi-
tions of the relevant power supply util-
ity.
Electronic soft starter, type SMC
Electronic soft starter functions:
■ Monitoring the mains feed to the com-
pressor.
■ Reduction in starting current of the
compressor during start-up.
Delivered condition:
■ Rotating field, phase asymmetry:
20 %
■ Max. compressor operating current
"Imax": Subject to compressor output
Installation sequence
Power supply
(cont.)
5848 449 GB
