Viessmann VITOCAL 300-A Installation And Service Instructions Manual page 98
Type awc-i-m, aw-o-m
compact heat pump with electric drive, 230 v~
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Also See for VITOCAL 300-A:
- Installation and service instructions manual (208 pages) ,
- Installation and service instructions for contractors (124 pages) ,
- Operating instructions manual (60 pages)
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Installation sequence
Power supply
(cont.)
Power supply with power-OFF
Power-OFF without on-site load disconnecting switch
The power-OFF signal is connected
directly in the control unit. The com-
pressor is switched off during power-
OFF (contact D open).
The parameter "Stage at power-
OFF" is used to adjust whether and at
what stage the instantaneous heating
water heater (accessory) remains
operational (see page 153).
Diagram excluding fuses and RCD.
A Compressor
98
Note
Observe the technical connection
conditions of the relevant power sup-
ply utility.
B Instantaneous heating water hea-
ter (accessory)
C Control unit
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