36
Terminal strip for internal heat pump components
Note
See position
F
in diagram on page 30.
Terminals
Function
Explanation
8X1
Compressor 1 motor overload relay
Connection values
■
Voltage:
24 VDC/230 VAC
Factory-fitted
8X3
Compressor 1 safety high pressure
switch
Connection values
■
Voltage:
24 VDC/230 VAC
Factory-fitted
9X1
Compressor 2 motor overload relay
Connection values
■
Voltage:
24 VDC/230 VAC
Factory-fitted
9X3
Compressor 2 safety high pressure
switch
Connection values
■
Voltage:
24 VDC/230 VAC
Factory-fitted
13X6
Electronic expansion valve (EEV), Sie-
mens
Factory-fitted
Danger
Incorrectly executed electrical installations can
result in injuries from electrical current and dam-
age to the appliance.
All sensor and signal leads (0-10 V) must be
shielded with copper braiding and have a mini-
mum cross-section of 0.5 mm
2
.
Specified lead type: CV
Sensors, internal
Terminals
Analogue inputs and outputs
Note
14X1
Suction gas temperature sensor Wp
Pt 1000
14X2
Evaporator inlet temperature sensor
Pt 1000
14X4
Evaporator outlet temperature sensor
Pt 1000
14X5
Condenser inlet temperature sensor
Pt 1000
14X7
Condenser outlet temperature sensor
Pt 1000
15X0
Temperature sensor, casing temperature
Pt 1000
15X3
Pressure transmitter, low pressure (-1..18 bar)
0-10 V
15X5
Pressure transmitter, high pressure (0..50 bar)
0-10 V
Sensors, external
Terminals
Analogue inputs and outputs
Note
15X2
Outside temperature sensor
6
Pt 1000
27X1
Temperature sensor, cylinder heating, top
tQ
Pt 1000
25X6
Output demand, external heat source
0-10 V
Installation sequence
Electrical connections
(cont.)
5789 986 GB
Installation
