59
Terminals
Function
Explanation
10X3
High pressure switch
compressor 3
Connection values
■ Voltage:
24 VDC
Wired at the factory
13X6
MV control valve, liquid
Evaporator
Heat yield
Connection values
■ Max. output:
22 VA
■ Voltage:
24 VDC/0-10
Wired at the factory
Note
All sensor leads and 0-10 V signal leads must be shielded with copper braiding and
have a minimum cross-section of 0.5 mm
2
. Use exclusively CV cables.
Sensor
Terminals
Sensor
Type
15X2
Temperature sensor
Outside temperature sen-
sor
Connect on site
Pt1000 (PTC)
27X1
Temperature sensor
Cylinder heating, top
Connect on site
DHW cylinder option
Pt1000 (PTC)
25X6
Output demand, external
heat generator
Connect on site
External heat generator op-
tion
0-10 V
22X2
Speed control, circulation
pump heating, DHW cylin-
der
Connect on site
DHW cylinder option
0-10 V
27X5
Temperature sensor, cylin-
der heating, bottom
Connect on site
DHW cylinder option
Pt1000 (PTC)
Installation sequence
Overview of electrical connections
(cont.)
5848 449 GB
Installation
