54
Danger
All sensor leads and 0-10 V sig-
nal leads must be shielded with
copper braiding and have a min-
imum cross-section of 0.5 mm
2
.
Specified lead type: CV.
Sensor
Terminals
Sensor
Type
14X1
Temperature sensor, suc-
tion gas
Heat pump
Wired at the factory
Pt1000 (PTC)
14X2
Temperature sensor
Evaporator inlet
Wired at the factory
Pt1000 (PTC)
14X4
Temperature sensor
Evaporator outlet
Wired at the factory
Pt1000 (PTC)
14X5
Temperature sensor
Condenser inlet
Wired at the factory
Pt1000 (PTC)
14X7
Temperature sensor
Condenser outlet
Wired at the factory
Pt1000 (PTC)
15X3
Pressure transmitter
Low pressure
Heat pump
Wired at the factory
TRFG ND9
0...10 V
15X5
Pressure transmitter
High pressure
Heat pump
Wired at the factory
TRFG HD50
0...10 V
Power supply
Isolators for non-earthed conductors
■ The integral mains isolator must simul-
taneously isolate all non-earthed con-
ductors from the mains with a mini-
mum contact separation of 3 mm.
Danger
Incorrectly executed electrical
installations can result in injuries
from electrical current and in
appliance damage.
Installation sequence
Overview of electrical connections
(cont.)
5848 246 GB