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7. SYSTEM DESIGN GUIDE
DATA G10
HEAT SOURCE UNITS
WY
Operation ON signal
Pump Interlock
T
erminal No.
Output
Operation
TB8-1, 2
Relay contacts output
Rated voltage : L1 - N : 220 ~ 240V
Rated load : 1A
• When Dip switch 2-7 is OFF
The relay closes during compressor operation.
• When DIP switch 2-7 is ON.
The relay closes during reception of cooling or the heating operation signal from the controller.
(Note : It is output even if the thermostat is OFF (when the compressor is stopped).)
T
erminal No.
Input
Operation
TB8-3, 4
Level signal
If the circuit between TB8-3 and TB8-4 is open, compressor operation is prohibited.
