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CAUTION
• KEEP IMPORTANT 4 POINTS FOR INSTAL-
LATION (PIPING WORK)
(1) Take away dust and moisture (Inside of the
connecting pipes.)
(2) Tight connection (between pipes and unit)
(3) Evacuate the air in the connecting pipes using
VACUUM PUMP .
(4) Check gas leak (connected points)
<Packed Valve Handling Precautions>
• Open the valve stem all the way out; so not try to
open it beyond the stopper.
• Securely tighten the valve stem cap with the
wrench or like.
• Valve stem cap tightening torque is as follows;
Gas pipes side (ø9.52) : 29.4 N•m (3.0 kgf•m)
Liquid pipe side (ø6.35) : 16.2 N•m (1.7 kgf•m)
<A5 mm hexagon wrench is required.>
Flare nut
Stopper
Valve body
Valve stem
Valve stem cap
Fig. 8-5-6
8-5-3. Wiring Connection
(1) Remove the electric parts cover from the outdoor
unit. (1 screw)
(2) Connect the connecting cable to the terminals as
identified with their respective matched numbers
on the terminal block of indoor and outdoor units.
(Strip the sheath of connecting cable with following
stripping length to and insert into the terminal
block.)
(3) When connecting the connecting cable to outdoor
unit terminal, make a loop as shown in the
installation diagram of indoor and outdoor unit, to
prevent water coming in the outdoor unit.
(4) Insulate the unused cords (conductors) with water
coming in the outdoor unit. Process them so that
they do not touch any electrical or metal parts.
<Stripping length of connecting cable>
Terminal block
60mm
1
2
Terminal
Earth line
10mm
screw
Screw
Earth line
2
1
10mm
Connecting
cable
50mm
Cord clamp
For a three conductor cable
Fig. 8-5-7
CAUTION
• Wrong wiring connections may cause some
electrical parts to burn out.
• Be sure to comply with local code on running
the wire from the indoor unit to outdoor unit.
(size of wire and wiring method etc.)
• Every wire must be connected firmly.
NOTE :
• Wipe type : More than H05 RN-F
Page 30
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Troubleshooting
