Panasonic 26PEK2U6 26PEK2U6 Service Manual - Page 161

CAUTION, Checkpoint, Symptom, Check, Remark

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1. Specifications 6-39. Checking the Drainage Be careful because the fan will start when you short the pin on the indoor control board. After wiring (refer to "1-12. ELECTRICAL WIRING".) and drain piping are completed, use the following procedure to check that the water will drain smoothly. For this, prepare a bucket and wiping cloth to catch and wipe up spilled water. (1) Connect power to the power terminal board (L1, L2 terminals) inside the electrical component box. (2) Slowly pour about 0.3 gal (1,200 cc) of water into the drain pan to check drainage. (Fig. 1-130) (3) Short the check pin (CHK) on the indoor control board and operate the drain pump. Check the water flow through the transparent drain pipe and see if there is any leakage. (4) When the check of drainage is complete, open the check pin (CHK) and remount the tube cover. (5) Checkpoint after installation After installation of indoor and outdoor units, panels and electrical wiring, check the following items. Drainage check CHK Over 3-15/16" (100 mm) Plastic container for water intake Drain pan outlet Water (Approx. 0.3gal (1,200 cc)) Fig. 1-130 Checkpoint 1 CAUTION Indoor Unit control PC board Be careful because the fan will start when you short the pin on the indoor control board. Checkpoint Symptom 1 Make sure whether indoor and outdoor units are correctly installed. Fall, vibration, noise 2 Make sure whether gas leakage is tested. No cooling, no heating 3 Make sure whether insulation is completed. (Refrigerant piping and drain piping) Water leakage 4 Make sure whether drain water is running smoothly. Water leakage 5 Make sure whether the power voltage matches the nameplate. Inoperative, burnout 6 Make sure whether there is miswiring or incorrect connection. Inoperative, burnout 7 Make sure whether the ground construction is completed. Ground leakage 8 Make sure whether the wire gauge is followed by the recommended specifications. Inoperative, burnout Make sure whether the air intake and air outlet 9 of the indoor and outdoor units are sealed by obstacles. No cooling, no heating Check Remark 1-153

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1-153
1. Specifications
6-39. Checking the Drainage
Be careful because the fan will start when you short the pin on the indoor control board.
After wiring (refer to “1-12.
ELECTRICAL WIRING”.) and drain piping are completed, use the following procedure to check that the water
will drain smoothly. For this, prepare a bucket and wiping cloth to catch and wipe up spilled water.
(1) Connect power to the power terminal board (L1, L2 terminals) inside the electrical component box.
(2) Slowly pour about 0.3 gal (1,200 cc) of water into the drain pan to check drainage. (Fig. 1-130)
(3) Short the check pin (CHK) on the indoor control board and operate the drain pump. Check the water flow through the transparent
dr
After installation of indoor and outdoor units, panels and electrical wiring, check the following items.
ain pipe and see if there is any leakage.
(4) When the check of drainage is complete, open the check pin (CHK) and remount the tube cover.
(5) Checkpoint after installation
Fig. 1-130
Drainage check
Over 3-15/16”
(100 mm)
Plastic container
for water intake
Water (Approx. 0.3gal (1,200 cc))
Drain pan outlet
Indoor Unit control PC board
CHK
CAUTION
Be careful because the fan will start when you short the pin on the
indoor control board.
Checkpoint
Checkpoint
Symptom
Check
Remark
1
Make sure whether indoor and outdoor units are
correctly installed.
Fall, vibration, noise
2
Make sure whether gas leakage is tested.
No cooling, no heating
3
Make sure whether insulation is completed.
(Refrigerant piping and drain piping)
Water leakage
4
Make sure whether drain water is running
smoothly.
Water leakage
5
Make sure whether the power voltage matches
the nameplate.
Inoperative, burnout
6
Make sure whether there is miswiring or incorrect
connection.
Inoperative, burnout
7
Make sure whether the ground construction is
completed.
Ground leakage
8
Make sure whether the wire gauge is followed by
the recommended specifications.
Inoperative, burnout
9
Make sure whether the air intake and air outlet
of the indoor and outdoor units are sealed by
obstacles.
No cooling, no heating
1