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.
4-2. TEST RUN
1) Insert power supply plug into the power outlet and/or turn
RQWKHEUHDNHU
2) Press the E.O. SW once for COOL, and twice for HEAT
operation. Test run will be performed for 30 minutes. If the
OHIWVLGH ODPS RI WKH RSHUDWLRQ LQGLFDWRU EOLQNV HYHU\
seconds, inspect the indoor/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.
Checking the remote (infrared) signal reception
3UHVVWKH2))21EXWWRQRQWKHUHPRWHFRQWUROOHUDQGFKHFNWKDWDQHOHFWURQLFVRXQG
is heard from the indoor unit. Press the OFF/ON button again to turn the air conditioner off.
• Once the compressor stops, the restart preventive device operates so the compressor
will not operate for 3 minutes to protect the air conditioner.
4-3. AUTO RESTART FUNCTION
7KLVSURGXFWLVHTXLSSHGZLWKDQDXWRUHVWDUWIXQFWLRQ:KHQWKHSRZHUVXSSO\LVVWRSSHG
GXULQJRSHUDWLRQVXFKDVGXULQJEODFNRXWVWKHIXQFWLRQDXWRPDWLFDOO\VWDUWVRSHUDWLRQLQ
the previous setting once the power supply is resumed. (Refer to the operating instruc-
tions for details.)
4-4. EXPLANATION TO THE USER
• Using the OPERATING INSTRUCTIONS, explain to the user how to use the air condi-
WLRQHUKRZWRXVHWKHUHPRWHFRQWUROOHUKRZWRUHPRYHWKHDLU¿OWHUVKRZWRUHPRYHRU
put the remote controller in the remote controller holder, how to clean, precautions for
operation, etc.).
• Recommend the user to read the OPERATING INSTRUCTIONS carefully.
Stop valve for
GAS
Stop valve cap
7RUTXHWR
29.4 N•m, 200
WRNJIFP
Vacuum pump (or the vacuum
pump with the function to
SUHYHQWWKHEDFNÀRZ
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)
*Close
*Open
Hexagonal wrench
Precautions when using the control valve
When attaching the control valve
to the service port, valve core may
deform or loosen if excess pressure
LVDSSOLHG7KLVPD\FDXVHJDVOHDN
Service port
Body
Close
<R32>
Open
Control
valve
A
When attaching the control valve to
WKHVHUYLFHSRUWPDNHVXUHWKDWWKH
valve core is in closed position, and
then tighten part A. Do not tighten
part A or turn the body when valve
core is in open position.
Service port cap
7RUTXHWR
17.7 N•m, 140 to
NJI
•cm)
*4 to 5 turns
3) Run the vacuum pump. (Vacuumize until 500 microns is achieved.)
&KHFNWKHYDFXXPZLWKJDXJHPDQLIROGYDOYHWKHQFORVHJDXJHPDQLIROGYDOYHDQGVWRS
the vacuum pump.
/HDYHDVLWLVIRURQHRUWZRPLQXWHV0DNHVXUHSRLQWHUJDXJHPDQLIROGYDOYHUHPDLQV
LQWKHVDPHSRVLWLRQ&RQ¿UPWKDWSUHVVXUHJDXJHVKRZV±03D>*DXJH@±
mmHg).
5HPRYHJDXJHPDQLIROGYDOYHTXLFNO\IURPVHUYLFHSRUWRIVWRSYDOYH
7) After refrigerant pipes are connected and evacuated, fully open all stop valves on both
VLGHVRIJDVSLSHDQGOLTXLGSLSH2SHUDWLQJZLWKRXWIXOO\RSHQLQJORZHUVWKHSHUIRUPDQFH
and this causes trouble.
8) Refer to 1-3., and charge the prescribed amount of refrigerant if needed. Be sure to charge
VORZO\ZLWKOLTXLGUHIULJHUDQW2WKHUZLVHFRPSRVLWLRQRIWKHUHIULJHUDQWLQWKHV\VWHPPD\
be changed and affect performance of the air conditioner.
9) Tighten cap of service port to obtain the initial status.
/HDNWHVW
Stop valve
for LIQUID
Caution:
$IWHUWHVWUXQRUUHPRWHVLJQDOUHFHSWLRQFKHFNWXUQRIIWKHXQLWZLWKWKH(26:RU
the remote controller before turning off the power supply. Not doing so will cause the
unit to start operation automatically when power supply is resumed.
To the user
$IWHULQVWDOOLQJWKHXQLWPDNHVXUHWRH[SODLQWKHXVHUDERXWDXWRUHVWDUWIXQFWLRQ
• If auto restart function is unnecessary, it can be deactivated. Consult the service
representative to deactivate the function. Refer to the service manual for details.
4. PURGING PROCEDURES, LEAK TEST, AND TEST RUN
Pressure gauge
(for R32, R410A)
Charge
hose
0DNHVXUHWR
replace the cap after
the operation.
WARNING
7RDYRLGULVNRI¿UHPDNHVXUHWKDWWKHUHDUHQRÀDPPDEOHKD]DUGVRULJQLWLRQULVNV
before opening the stop valves.
Emergency operation switch
(E.O. SW)
