4-1. PURGING PROCEDURES AND LEAK TEST
1) Remove service port cap of stop valve on the side of the outdoor unit gas pipe. (The stop
valves are fully closed and covered in caps in initial state.)
2) Connect gauge manifold valve and vacuum pump to service port of stop valve on the gas
pipe side of the outdoor unit.
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1) Insert power supply plug into the power outlet and/or turn on the
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2) Press the E.O. SW once for COOL, and twice for HEAT operation.
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outdoor unit connecting wire (A) for mis-wiring. After the test run,
emergency mode (set temperature 24ºC) will start.
3) To stop operation, press the E.O. SW several times until all LED
lamps turn off. Refer to operating instructions for details.
4) Checking the remote (infrared) signal reception
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that an electronic sound is heard from the indoor unit. Press the
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• Once the compressor stops, the restart preventive device oper-
ates so the compressor will not operate for 3 minutes to protect
the air conditioner.
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4) Check the vacuum with gauge manifold valve, then close gauge manifold valve, and stop
the vacuum pump.
5) Leave as it is for one or two minutes. Make sure pointer gauge manifold valve remains
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mmHg).
6) Remove gauge manifold valve quickly from service port of stop valve.
Caution:
• After test run or remote signal reception check, turn off the unit with the E.O. SW or
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unit to start operation automatically when power supply is resumed.
To the user
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representative to deactivate the function. Refer to the service manual for details.
4. PURGING PROCEDURES, LEAK TEST, AND TEST RUN
Emergency operation
switch (E.O. SW)
4-4. SETTING THE INSTALLATION POSITION
Be sure to set the remote controller in accordance with the installed position of the indoor
unit.
Installation position:
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50 cm to the left
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than 50 cm to the left and right
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50 cm to the right
(Left) (Center) (Right)
Note:
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• The remote controller is powered off.
• Weekly timer is not set.
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1) Hold down
on the remote controller for 2 seconds to enter the position setting
mode.
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. (Each press of the
displays
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3) Press
to complete the position setting.
Installation position
Left
Center
Right
Remote controller
display
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• Using the OPERATING INSTRUCTIONS, explain to the user how to use the air conditioner
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for operation, etc.).
• Recommend the user to read the OPERATING INSTRUCTIONS carefully.
WARNING
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risks before opening the stop valves.
7) After refrigerant pipes are connected and evacuated, fully open the valve stem of all stop
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stem hits the stopper, do not turn it any further. Operating without fully opening lowers
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slowly with liquid refrigerant. Otherwise, composition of the refrigerant in the system may
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10) Leak test
4-3. AUTO RESTART FUNCTION
This product is equipped with an auto restart function. When the power supply is stopped
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the previous setting once the power supply is resumed. (Refer to the operating instructions
for details.)
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This product is equipped with the Wi-Fi Interface as standard.
Refer to the SETUP QUICK REFERENCE GUIDE and OPERATING INSTRUCTIONS provided with the indoor unit for connection with the route
r.
Close
Open
Hexagonal wrench
A
Valve stem (inside)
Precautions when using the control valve
When attaching the control valve
to the service port, valve core may
deform or loosen if excess pressure
is applied. This may cause gas leak.
Service port
Body
Close
5!
Open
Control
valve
When attaching the control valve to
the service port, make sure that the
valve core is in closed position, and
then tighten part A. Do not tighten
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core is in open position.
Charge
hose
Make sure to re-
place the cap after
the operation.
Stop valve for
GAS
Stop valve cap
(Torque 19.6 to
29.4 N•m, 200
to 300 kgf•cm)
Vacuum pump (or the vacuum
pump with the function to
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Gauge manifold valve
(for R32, R410A)
Compound pressure gauge
(for R32, R410A)
±
0.101 MPa
(
±
760 mmHg)
Handle
Low
Handle High
Adapter for
preventing the
EDFNÀRZ
Charge hose
(for R32, R410A)
Service port cap
(Torque 13.7 to
17.7 N•m, 140 to
180 kgf•cm)
Stop valve
for LIQUID
Pressure gauge
(for R32, R410A)
