Viessmann VITOCAL 300-A Installation And Service Instructions Manual page 31

External heat pump type AW-O-M
D Two electrical connecting cables,
ready wired (5, 15 or 30 m):
Control cable 230 V~, required
cable length inside the heat pump:
1.65 m
LV cable < 42 V, required cable
length inside the heat pump:
1.50 m
E Secondary flow temperature sen-
sor (install in the heating water
flow inside the building)
F Instantaneous heating water hea-
ter (9 kW, 230 V/50 Hz; 1/N/PE,
accessory, install inside the build-
ing)
Preparing for installation
(cont.)
G Control module, instantaneous
heating water heater (230 V/
50 Hz; 1/N/PE, control panel with
1 contactor, install inside the
building)
H Instantaneous heating water hea-
ter control
K Compressor/fan power supply
(230 V/50 Hz; 1/N/PE) (power
supply cable to the control panel)
Required cable length inside the
heat pump: 2.50 m
L Heat pump type AW-O-M
M Power supply, instantaneous
heating water heater (230 V/
50 Hz; 1/N/PE; max. output 9 kW)
Required cable length inside the
heat pump: 2.50 m
31