72
Terminals
Function
Explanation
X3.1, X3.2,
X3.3, X3.7,
X3.11, X3.13,
X3.16
Switched phase
Note
Observe the total load 1000 W of all connected compo-
nents.
X3.2
X3.14
"External blocking" signal: External
compressor blocking
Requires floating contact:
■
Closed: Blocking enabled
■
Open: No blocking
■
Breaking capacity 230 V~, 2 mA
Note
■
These and further external functions, e.g. provision of
external set values, can alternatively be connected
via external EA1 extension.
Installation instructions "EA1 extension"
X3.6
X3.7
Jumper
■
Do not remove jumper.
■
Never connect anything here.
X3.8
X3.9
Jumper
■
Do not remove jumper.
■
Never connect anything here.
X3.10
X3.11
Jumper
■
Do not remove jumper.
■
Never connect anything here.
X3.12
X3.13
"External demand" signal: External
compressor start
Requires floating contact:
■
Closed: Demand
■
Open: No demand
■
Breaking capacity 230 V, 2 mA
Note
These and further external functions, e.g. provision of
external set values, can alternatively be connected via
external EA1 extension.
See "EA1 extension" installation instructions
X3.17
X3.18
MCB/fuse F1 6.3 A (slow)
—
X3.18
Heat pump control unit power supply:
Phase L1
X1.1 Earth conductor terminal
X2.1 Neutral conductor terminal
Power supply 230 V~
Maintenance
Electrical connections on the heat pump control…
(cont.)
5800 917 GB
Maintenance