SiEN34-705 Installation
General Information 69
Caution ! Electrical wiring work should be done by a certified electrician.
! If someone who does not have the proper qualifications performs the work, perform the
following after the test run is complete.
! Remove the control box lid and change the emergency switch above the PC board assembly
of the indoor unit from “NORM.” to “EMERG.”. Connect the single-phase power supply (1, 3)
and ground wire to the inter-unit wiring (50Hz 220-240V) terminal block and confirm drain
operation.Be sure to change the switch before turning on the power. (Refer to Fig. 32)
Caution ! Clamp solidly to clamp C to tension is not added to the wiring connections.
! Be aware that the fan will turn during the operation.
! After confirming drainage, turn off the power and be sure to change the emergency switch
back to “NORM.”.
(V2330)
123
Inter-unit wiring terminal block
Inter-unit
wiring
terminal
block
Single phase power supply
Clamp C
Emergency switch
•
Checking the drain
•
After the checking
Indoor PC
board
assembly
Fig. 32
Clamp C
Tab
NORM. EMERG
NORM. EMERG
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