En-10
9. PUMP DOWN
PUMP DOWN (Refrigerant collecting operation)
Perform the following procedures to collect the refrigerant when moving the indoor unit or
the outdoor unit.
(1) Press the push-button switch on the circuit board once.
The LED on the circuit board starts lighting. This indicates the start of PUMP DOWN
operation.
When the switch is pressed while the compressor is in operation, PUMP DOWN
operation starts automatically.
When the switch is pressed while the compressor is in stop, the compressor starts to
operate automatically, and then move on to PUMP DOWN operation.
(2) PUMP DOWN operation continues for a bout 1 minute. When PUMP DOWN operation
is completed, the compressor stops automatically. Then close the 2-way valve and
3-way valve immediately.
(3) Turn the power off.
PUMP DOWN SW
DANGER
This part (Choke coil) generates high voltages. Never touch this part.
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