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,,, • 5 IMPORTANT POINTS FOR PIPING WORK.
(1) Take away dust and moisture (inside of the connecting pipes).
(2) Tighten the connections (between pipes and unit).
(3) Evacuate the air in the connecting pipes using a VACUUM PUMP.
(4) Check gas leak (connected points).
(5) Be sure to fully open the packed valves before operation.
UNIT DAMAGE HAZARD
Failure to follow this caution may result in equipment damage or
improper operation.
Never use the system compressor as a vacuum pump.
Securely tighten the valve cap with torque in the following table:
Cap
Valve Rod Cap
Service Port Cap
Cap Size
(H)
43/64
in. - 3/4 in.
(H17-
H19)
55/64
in. - 1-3/16
in.
(H22-
H3O)
35/64
in.
(H14)
43/64
in.
(Hi7)
Torque
10 to 13 Ibf.ft
(14_18
N.m)
24 to 31 Ibf.ft
(33_42
N.m)
37 to 46 Ibf.ft
(50~62
N.m)
10 to 13 Ibf.ft
(14~18
N.m)
• Open the valve stem all the way out, but do not try to open it beyond the
stopper.
Pipe size of Packed Valve
Size of Hexagon wrench
I
I
1/2 in. (12.7 mm and smatters)
A = 3/16 in. (4 mm)
Service
Port Cap ]
t Va,voRodOap
I
__
Valve cover
flare nut connections
q
(indoor
unit)
Check
i[aces for
outdoor
unit.
This product is designed so that after a power failure it can restart
automatically in the same operating mode as before the power failure.
The product was shipped with Auto Restart function in the ON position.
Turn it OFF if this function is not required.
1. Press and hold the RESET button on the indoor unit for 3 seconds to
cancel the operation. (3 beeps will sound but OPERATION lamp does not
blink)
2. Press and hold the RESET button on the indoor unit for 3 seconds to set
the operation. (3 beeps will sound and OPERATION tamp blink 5 time/
sec for 5 seconds)
• Do not operate ON timer and OFF timer.
Note
: Default
setting
of auto restart
operation
is ON.
To switch the TEST RUN (COOL) mode, press RESET button for 10 seconds.
(The beeper will make a short beep.)
RESET
butt __
The power main switch is
turned off.
The circuit breaker is tripped.
ON timer is set.
• The filters are blocked with dust.
• The temperature has been set
improperly.
• Windows or doors are open.
• The air inlet or outlet of the outdoor
unit is blocked.
• The fan speed is too low.
• The operation mode is FAN or DRY.
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1110651824-2
EN.indd
12
12/13/13
4:58 PM
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