27
Energy-Recovery Ventilation
System Service Manual
3) FHBQ-D30-M.
POWER
Exchange
<(*N
Note:
1.Press "ON" or "Exchange",L is connected with L1,disconnected with L2;
2.Press "OFF" or "Exhaust", L is connected with L2, disconnected with L1;
3.The broken line part is connected by user.
<(*N
YE
WHWH WH WH
*15'
YE *1RD
Blower
Motor
Fan
Motor
Exhaust OFF
Controlling switch
(back side)
ON
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