Viessmann VITOCAL 300-A Installation And Service Instructions Manual page 17

Internal heat pump, type AWC-I-M
Note
Hydraulic lines B, D, E and con-
densate drain C can be routed out of
the heat pump to the left or right.
The electrical cables can only be rou-
ted into the heat pump from the right.
Electrical cables (for installation see from page 64)
A Heat pump control unit
Wall outlet for cables centrally
below the control unit.
Required cable length inside the
control unit: 0.5 m
B Control unit power supply 230 V/
50 Hz
Preparing for installation
(cont.)
C Power cables for further compo-
nents and functions:
&
Pumps/pump control
& Mixers
& Sensors
& Auxiliary functions (power-OFF,
external blocking, external
demand, external heat source
control, etc.)
& Fault messages
& Two-way shut-off valve
& Communication facilities
& KM BUS
& Remote control
17