12
Packed valve handling precautions
• Open the valve stem all the way out, but do not try to open it beyond the
stopper.
• Securely tighten the valve cap with torque in the following table:
Pipe size of Packed Valve
Size of Hexagon wrench
1/2 in. (12.7 mm and smallers)
A = 3/16 in. (4 mm)
Cap
Cap Size (H)
Torque
Valve Rod Cap
43/64 in. - 3/4 in.
(H17 - H19)
10 to 13 Ibf.ft
(14~18 N·m)
55/64 in. - 1-3/16 in.
(H22 - H30)
24 to 31 Ibf.ft
(33~42 N·m)
Service Port Cap
35/64 in.
(H14)
37 to 46 Ibf.ft
(50~62 N·m)
43/64 in.
(H17)
10 to 13 Ibf.ft
(14~18 N·m)
A
H
Hexagon wrench
is required.
Service Port Cap
Valve Rod Cap
OTHERS
OTHERS
Gas Leak Test
Test Operation
Troubleshooting (Check Point)
To switch the TEST RUN (COOL) mode, press RESET button for 10 seconds.
(The beeper will make a short beep.)
Auto Restart Setting
The product was shipped with Auto Restart function in the ON position.
Turn it OFF if this function is not required.
How to cancel the Auto Restart
Check the
fl
are nut
connections for the
gas leak with a gas
leak detector or
soap water.
This product is designed so that after a power failure it can restart
automatically in the same operating mode as before the power failure.
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 lamp blink 5 time/
sec for 5 seconds)
• Do not operate ON timer and OFF timer.
Note :
Default setting of auto restart operation is ON.
Check places with
fl
are nut connections
(indoor unit)
Check places for
the outdoor unit.
Valve cover
Information
RESET
RESET button
The unit does not operate.
Cooling or Heating is abnormally low.
• The power main switch is
turned off.
• The circuit breaker is tripped.
• ON timer is set.
• The
fi
lters 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.
CAUTION
•
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.
1110251291-1 EN.indd 12
1110251291-1 EN.indd 12
11/13/13 2:52 PM
11/13/13 2:52 PM
