12
Cables and hydraulic lines
Laying the lines underground and routing in through the exterior wall
O
N
T
S
U
M
400
900
DC
E
K
B
P
C
D
E
F
ON M
QR
ON M
P
B
Concrete foundation (300 mm thick)
consisting of:
■ Concrete slab C25/30, BSt 500 S
and M
■ Reinforcement with all-round wire
mesh made of Q 257 A
C
KG conduit DN 100 for power cable
400 V/50 Hz (on site)
D
KG conduit DN 100 for connecting
cables to the heat pump control unit
(on site): Control cable 230 V~, LV
lead< 42 V
E
Hydraulic connection set (acces-
sory): Connection lines for heating
water flow and heating water return
F
Condensate drain DN 40 (on site)
K
Frost protection (compacted
crushed stone, e.g. 0 to 32/56 mm);
layer thickness subject to local
requirements and standard rules of
building engineering
Preparing for installation
Siting requirements
(cont.)
5516 436 GB
