Panasonic CS-SA7CKP / CU-SA7CKP5 / CS-SC7CKP / CU-SC7CKP5 Service Manual ▷ View online
8.4.1.1. Cut the pipes and the cable
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• Use the accessory piping kit or pipes purchased locally.
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• Measure the distance between the indoor and the outdoor
unit.
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• Cut the pipes a little longer than measured distance.
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• Cut the cable a 1.5m longer than the pipe length.
Model
Pipe size
Gas side
Liquid side
SA7CKP/SC7CKP
3/8"
1/4"
8.4.1.2. Remove burrs
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• Remove burrs from cut edges of pipes.
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• Turn the pipe end down to avoid the metal powder entering
the pipe.
Caution
If burrs are not removed, they may cause a gas leakage
8.4.1.3. Flaring the pipe
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• Insert the flare nuts, mounted on the connection ports of
both indoor and outdoor unit, onto the copper pipes.
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• Fit the copper pipe end into the bar of flare tool about 0.5-
1.5mm higher. (see Fig.A)
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• Flare the pipe ends.
Fig.A
8.4.1.4. Tape the flaring portion to
protect it from dust or damage.
8.4. Piping and drainage of indoor unit
8.4.1. Preparation of piping
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CS-SA7CKP / CU-SA7CKP5 / CS-SC7CKP / CU-SC7CKP5
Remove the indoor piping
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•
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• Pull the tube out of chassis.
For the right piping
1. Pull the tube out of chassis.
2. Insert the tube and drain hose into the hole.
3. Insert the connecting cable into the indoor unit through the
hole.
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• Do not connect the unit to power supply.
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• Make a small loop with the cable for easy connection
later.
4. Tape the tube, drain hose and cable.
5. Indoor unit installation
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•
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• Hook the indoor unit onto the upper portion of
installation plate. (Engage the two hooks of the rear top
of the indoor unit with the upper edge of the installation
plate.)
of the indoor unit with the upper edge of the installation
plate.)
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•
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• Ensure the hooks are properly seated on the installation
plate by moving it left and right.
6. Connecting the piping to the indoor unit
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•
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• Align the center of the piping and sufficiently tighten the
flare nut with fingers.
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• Finally, tighten the flare nut with torque wrench until the
wrench clicks.
When tightening the flare nut with torque wrench,
ensure the direction for tightening follows arrow on the
wrench.
ensure the direction for tightening follows arrow on the
wrench.
Model
Piping side
Torque
SA7CKP/SC7CKP
Liquid side 1/4"
18N.m
SA7CKP/SC7CKP
Gas side 3/8"
42N.m
8.4.2. Connection of piping
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CS-SA7CKP / CU-SA7CKP5 / CS-SC7CKP / CU-SC7CKP5
For the left side piping
1. Route the indoor tubing with the drain hose to the hole.
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• Pull out the drain hose.
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• Exchange the hose and cap.
2. Insert the piping and connecting cable to indoor side
through the hole.
3. Insert the connecting cable into the indoor unit
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•
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• Do not connect the cable to the indoor unit.
•
•
•
• Make a small loop with the cable for easy connection.
4. Indoor unit installation
•
•
•
• Hook the indoor unit onto the upper portion of
installation plate. (Engage the two hooks of the rear top
of the indoor unit with the upper edge of the installation
plate.)
of the indoor unit with the upper edge of the installation
plate.)
•
•
•
• Ensure the hooks are properly seated on the installation
plate by moving it left and right.
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CS-SA7CKP / CU-SA7CKP5 / CS-SC7CKP / CU-SC7CKP5
5. Connecting the piping to the indoor unit
•
•
•
• Align the center of the piping and sufficiently tighten the
flare nut with fingers.
•
•
•
• Finally, tighten the flare nut with torque wrench until the
wrench clicks.
When tightening the flare nut with torque wrench,
ensure the direction for tightening follows arrow on the
wrench.
ensure the direction for tightening follows arrow on the
wrench.
Model
Piping side
Torque
SA7CKP/SC7CKP
Liquid side 1/4"
18N.m
SA7CKP/SC7CKP
Gas side 3/8"
42N.m
6. Set the piping and the connecting cable to the back of
chassis with the clamping cover.
7. Tape the piping, drain hose and connecting cable.
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CS-SA7CKP / CU-SA7CKP5 / CS-SC7CKP / CU-SC7CKP5
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