Unit installation

Use and Maintenance Manual Air-cooled water chillers and Heat Pumps R-PAE/R-PAH/EAH Rev. 1 del 03/09
4.6.3 User’s terminal board connection
A user terminal board (Picture 35) is available with free contacts designed for:
Ø Generic alarm state (1);
Ø Unit remote ON/OFF (2).
Check the wiring diagram for the exact correspondence of the terminals numbers.
L1
L2
L3
N
Picture 34
2 1
U2: open contact U9: usually open
UNIT OFF
U10: common
30: closed contact U11: usually closed
UNIT ON
Picture 35
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