Panasonic CS-SA9CKP / CUSA9CKP5 / CS-SA12CKP / CUSA12CKP5 Service Manual ▷ View online
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.
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.
When tightening the flare nut with torque wrench,
ensure the direction for tightening follows arrow on the
wrench.
Model
Piping side
Torque
CS-SA9CKP/
CU-SACKP5
Liquid side 1/4"
18N.m
CS-SA12CKP5/
CU-SA12CKP5
CS-SA9CKP/
CU-SACKP5
Gas side 3/8"
42N.m
CS-SA12CKP5/
CU-SA12CKP5
Gas side 1/2"
55N.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.
33
CS-SA9CKP CU-SA9CKP5 / CS-SA12CKP CU-SA12CKP5
8.5. In case of embedded Piping
For the embedded piping
Follow the same procedure for left rear and left piping.
8.5.1. Replace the drain hose
8.5.2. Bend the embedded piping
•
•
•
• Use a spring bender or equivalent to bend the piping so that
the piping is not crushed.
8.5.3. Install the indoor unit.
8.5.4. Cut and flaring the embedded
piping
•
•
•
• When determining the dimensions of the piping, slide the
unit all the way to the left on the installation plate.
•
•
•
• Refer to the section “cut and flaring the piping” in the
directions for the outdoor unit. (see P.30)
8.5.5. Pull the connecting cable into the
indoor unit.
8.5.6. Connecting the piping
•
•
•
• Refer to the section "connecting the piping" in the directions
for the indoor unit.
(Connecting the piping to the outdoor unit and checking the
gas leakage.)
(Connecting the piping to the outdoor unit and checking the
gas leakage.)
8.5.7. Connecting the cable to the indoor
unit
•
•
•
• The cable can be connected without removing the front
grille.
Fig.B
8.5.8. Install the indoor unit fixly.
[REFERENCE Fig.B, Fig.C]
Fig.C
34
CS-SA9CKP CU-SA9CKP5 / CS-SA12CKP CU-SA12CKP5
8.6. Connecting piping and the cable to outdoor unit
8.6.1. Connecting the piping to outdoor unit
1. Align the center of the piping and sufficiently tighten the flare nut with fingers.
2. Finally tighten the flare nut with torque wrench unit the wrench click.
● When tightening the flare nut with torque wrench, ensure the direction for tightening follows the arrow of the wrench.
Model
Piping side
Torque
CS-SA9CKP/ CU-
SA9CKP5
Liquid side 1/4"
18N.m
CS-SA12CKP/ CU-
SA12CKP5
CS-SA9CKP/ CU-
SA9CKP5
Gas side 3/8"
42N.m
CS-SA12CKP/ CU-
SA12CKP5
Gas side 1/2"
55N.m
Caution
When connecting the piping, always use a torque wrench. Other
tools may cause damage to the flare nut because of improper
force.
tools may cause damage to the flare nut because of improper
force.
3. Ensure not to let the piping exposed to air.
8.6.2. Connecting the cable
1. Remove the top cover from the unit by loosening the four screws.
2. Remove the control board cover by loosening the screw.
3. Connect the locally approved cable (1.5mm
2
) to the terminals on the control board individually.
4. Secure the cable onto the control board with the holder (clamber).
5. Attach the control board cover and the top cover to the original position with the screws.
35
CS-SA9CKP CU-SA9CKP5 / CS-SA12CKP CU-SA12CKP5
8.7. Air purging of the piping and indoor unit
8.7.1. Air purging
The air which contains moisture is remaining in the refrigeration cycle may cause malfunction on the compressor.
1. Remove caps from the 2-way and 3-way valves.
2. Remove the service-port cap from the 3-way valve.
3. To open the valve, turn the valve stem of 2-way valve counter-clockwise approximately 90° and hold it there for 10 seconds,
1. Remove caps from the 2-way and 3-way valves.
2. Remove the service-port cap from the 3-way valve.
3. To open the valve, turn the valve stem of 2-way valve counter-clockwise approximately 90° and hold it there for 10 seconds,
then close it.
4. Check a gas leakage of the connecting portion of the piping.
5. Set the both 2-way and 3-way valves to open position with the hexagonal wrench for the unit operation.
36
CS-SA9CKP CU-SA9CKP5 / CS-SA12CKP CU-SA12CKP5
Click on the first or last page to see other CS-SA9CKP / CUSA9CKP5 / CS-SA12CKP / CUSA12CKP5 service manuals if exist.