Panasonic S-3650PU3E Technical Data & Service Manual page 82

1
Checking the Drainage
CAUTION
After wi ring (see 1-10.
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 (L/1, N/2
terminals) inside the electrical component box.
(2) Slowly pour about 1 L of water into the drain pan to
check drainage.
Drainage check
Over 100 mm
Plastic container
for water intake
(3) Short the check pin (CHK) (6P : 1-4) on the indoor
unit control PCB and operate the drain pump. Check the
water flow through the transparent drain pipe and see if
there is any leakage.
* If the check pin (CHK) (6P:1-4) is shorted, the fan starts
rotating at high speed and could cause injury.
(4) When the check of drainage is complete, open the check
pin (CHK) (6P : 1-4) and remount the tube cover.
(5) Checkpoint after installation
After installation of indoor and outdoor units, panels
and electrical wiring, check the section "
AFTER INSTALLATION WORK" on page 1-11-1-1-29.
Be careful since the fan will start
when you short the pin on the
indoor unit control PCB.
ELECTRICAL WIRING) and drain
Drain pan outlet
Water (Approx. 1 L)
.
CHECKLIST
●
Important Note for Wiring 4-Way Cassette Type
(1) The power supply inlet is located at the lower area of
the refrigerant tubing side of the unit. The electrical
component box is located at the air intake of the bottom
of the unit.
(2) Before installing the panel for cassette, be sure to carry
out the wiring connection.
(3) Remove the lid located on the bottom of the indoor unit
attaching the electrical component box by unscrewing
screws (M4 × L6) (×2).
Screws (M4 × L6) position
(4) Lead the wires from the power supply inlet to the unit.
Be sure to lead the wires through the power supply inlet.
Make sure that no wire is caught between the indoor unit
and panel for cassette. Otherwise, the unit may cause a
fire.
(5) Connect the wires into the terminals through the power
supply inlet for the electrical component box.
Fix the wires with a clamping clip.
(6) Reinstall the lid of the electrical component box in its
original position with paying attention not to have the
wires caught in the lid.
See " 1-10. ELECTRICAL WIRING".
1-11-1-1-6
Power supply inlet