GB-6
ENGLISH
Lo
Hi
PUMP DOWN
Pump down is adopted in the case of unit removal for re-installation,
abandonment, repair etc. Pump down is to collect the refrigerant into
the outdoor unit.
PROCEDURE USING GAUGE MANIFOLD
(Recommended proce-
dure)
(1) Connect the gauge manifold hose to the service port of the 3-way
valve.
(2) Run the air conditioner at the forced cooling operation.
(3) After 5-10 minutes, close the 2-way valve.
(4) Close the 3-way valve when the compound gauge reading becomes
almost 0 MPa(0 cmHg).
(5) Stop the forced cooling operation.
(6) Disconnect the gauge manifold hose from the service port.
(7) Disconnect both refrigerant pipes.
PROCEDURE WITHOUT USING GAUGE MANIFOLD
(1) Run the air conditioner at the forced cooling operation.
(2) After 5-10 minutes, fully close the 2-way valve by turning the hexagon
wrench.
(3) After 2-3 minutes, immediately close the 3-way valve fully.
(4) Stop the forced cooling operation.
(5) Disconnect both refrigerant pipes.
Caution:
• Make sure that the compressor is turned off before removing the refrig-
erant pipes. Otherwise, it will cause burst and injury.
• Do not perform PUMP DOWN when refrigerant is leaking or there is
no refrigerant in the refrigerant cycle. Otherwise, it will cause burst and
injury
Gauge manifold
Compound
gauge
3-way valve
2-way valve
Service port
FORCED COOLING OPERATION
Following procedures should be completed within 5 minutes after turning
on the circuit breaker.
(1) Press the ON/OFF button to start operation.
(2) Press the MODE button to select cooling mode.
(3) Set the temperature to 61°F(16°C).
(4) Press the DISPLAY button three times quickly.
• Forced cooling operation will start and “ ” will be displayed on the
indoor unit .
To stop the operation, press the ON/OFF button.
10 ITEMS TO CHECK
Is the specified power supply voltage used?
Is the connecting cable fixed to terminal board firmly?
Is the earth wire connected properly arranged?
Is the drainage properly?
Is the indoor unit hooked to the mounting plate firmly?
Is there any gas leakage at the pipe connection?
Is the cooling/heating operation normal?
Explanation to customer
•
Explain to the customer how to use and maintain the system, referring to the operation manual.
• Ask the customer to carefully read the operation manual.
• When the system has been set up, hand the installation manual to the customer.
2
1
3
4
MODE
FAN
TURBO
TEMP
DISPLAY
COMFORT
TIMER
ON
TIMER
OFF
ON/OFF
SWING
SLEEP
CLOCK
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2014-09-12 07:59:35
