70
Information regarding the connection values
■
The specified output is the recommended connected
load.
■
The specified current indicates the max. switching
current of the switching contact. Observe the total
current of all connected components of 5 A.
Plug
fÖ
Terminals
Function
Explanation
Internal power supply of the PCBs
—
Plug
sYÖ
Terminals
Function
Explanation
210.1
End of the safety chain
Voltage 'live', if the safety chain is sound.
210.2
Compressor switched directly or via
refrigerant circuit controller
■
Demand active: Contact closed, 210.2 is 'live'.
■
If the compressor will not run: Check whether it has
been enabled by the refrigerant circuit controller
(dedicated relay on EEV PCB).
Expansion PCB on main PCB
230 V~ components
sXÖ
sXA
sXS
sXD
sXF
sXG
1 2 3 4 5 6 7
1 2 3
1 2
L1
N
U
1 2 3 4
1 2
1 2
Fig. 33
sXS
-
sXG
230 V~ components
Information regarding the connection values
■
The specified output is the recommended connected
load.
■
The specified current indicates the max. switching
current of the switching contact. Observe the total
current of all connected components of 5 A.
■
The relay contacts for external heat generator and
central fault messages are unsuitable for safety LV.
Maintenance
Electrical connections on the heat pump control…
(cont.)
5800 917 GB
Maintenance