16
E
Heat pump control unit power
cable
Recommended cable: 3 x 1.5 mm
2
(5 x 1.5 mm
2
with power-OFF)
F
Connection cables for further com-
ponents and functions (e.g. pumps,
sensors, fault messages, etc.)
G
Heat pump control unit
H
Instantaneous heating water heater
control
Recommended cable: 5 x 2.5 mm
2
K
Switching module for instantaneous
heating water heater: connecting
chamber with 2 output relays; install
inside the building.
L
Power cable, instantaneous heating
water heater (if installed), max. out-
put 9 kW
M
Connecting cable with plug for con-
trol module/instantaneous heating
water heater, approx. 1.6 m long
N
Flow temperature sensor, secon-
dary circuit: Install in the heating
water flow inside the building.
Cable with plug, 2.0 m long: Extend
on site if required.
O
Flow, heating circuits with secon-
dary pump/flow, DHW cylinder with
circulation pump for cylinder heating
(both circulation pumps are acces-
sories): Alternatively, 1 secondary
pump and a 3-way diverter valve
can also be used (both accesso-
ries).
P
Instantaneous heating water heater
(accessory; install in building)
Q
Heating water return
R
Hydraulic connection set (acces-
sory): Connection lines for heating
water flow and return
S
Drain & fill facility with shut-off valve
(for draining with compressed air)
Required cable lengths:
■ For the heat pump control unit (wall
outlet centrally directly below the heat
pump control unit):
0.6 m from the wall outlet
■ Inside the heat pump (to the electric
terminal area):
0.7 m from the top edge of the foun-
dations
Preparing for installation
Siting requirements
(cont.)
5516 436 GB
