57
Terminals
Function
Explanation
19X2
Power-OFF control
Economy tariff power-OFF
Requires floating contact:
■ Power-OFF open:
Power-OFF enabled
■ Economy tariff closed:
Economy tariff enabled
19X4
External demand stage 1
Requires floating contact:
■ Closed:
stage 1 in operation
■ Open:
stage 1 not in operation
19X6
External demand stage 2
Requires floating contact:
■ Closed:
stage 2 in operation
■ Open:
stage 2 not in operation
19X8
External demand
Cooling/heating mode
Requires floating contact:
■ Closed:
stage 3 in operation
■ Open:
stage 3 not in operation
Note
Insert a jumper if external demand and power-OFF are not being used.
Terminal strip, internal connections
Terminals
Function
Explanation
2X8
Oil sump heater
compressor 1
Connection values
■ Max. output:
140 W
■ Voltage:
230 V
∼
Wired at the factory
3X8
Oil sump heater
compressor 2
Connection values
■ Max. output:
140 W
■ Voltage:
230 V
∼
Wired at the factory
Installation sequence
Overview of electrical connections
(cont.)
5848 449 GB
Installation
