Sanyo ECO R410A Installation Instructions Manual page 27

7. Wiring Procedure
WARNING
Connection of External Electronic Expansion Valve with Extension Cord
(1) Turn the power off.
(2) Turn the power on.
(3) Wait 1 minute after the power is on and then turn the power off again at the mains.
* The electronic expansion valve becomes full-open in the 1 minute.
Do not give instructions for operation through the remote control during this time.
(4) Open the electrical component box. From the control PCB, disconnect the connector to the indoor unit internal
electronic expansion valve.
(5) Connect the external electronic expansion valve connector to the indoor unit control PCB (PMV). (Fig. 3-57)
After completing the wiring process, close the cover of the electrical component box.
(6) Turn on the main breaker. This procedure is now completed.
The model KHX1962 is only applied for the following procedure.
(1) Turn the power off.
(2) Open the electrical component box.
(3) Connect the external electronic expansion valve connector to the indoor unit control PCB (PMV). (Fig. 3-58)
After completing the wiring process, close the cover of the electrical component box.
(4) Turn on the main breaker. This procedure is now completed.
Be sure to turn the power off at the mains before removing or connecting connec-
tors to avoid electric shock hazard.
Indoor unit
PCB
Indoor unit
PCB
Connect to PMV
Fig. 3-57
Connect to relay connector (white 6P)
Fig. 3-58
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