Checking The Drainage - Panasonic S-15MM1E5A Installation Instructions Manual

● Do not install the pipe with an upward gradient from the
connection port. This will cause the drain water to flow
backward and leak when the unit is not operating. (Fig.
3-16)
Upward gradient
Prohibited
● Do not apply force to the piping on the unit side when
connecting the drain pipe. The pipe should not be
allowed to hang unsupported from its connection to the
unit. Fasten the pipe to a wall, frame, or other support as
close to the unit as possible. (Fig. 3-17)
Support pieces

3-7. Checking the Drainage

After 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 (R, S terminals)
inside the electrical component box.
(2) Remove the eyelet cap and through the opening, slowly pour
about 500 cc of water into the drain pan to check drainage.
(3) Short the check pin (CHK) on the indoor control board and
operate the drain pump. Check the water flow through the
transparent drain port and see if there is any leakage. (Fig.
3-19)
CAUTION
Be careful since the fan will start when you short the pin on
the indoor control board.
(4) When the check of drainage is complete, open the check pin
(CHK) and remount the insulator and drain cap onto the drain
inspection port.
Water inlet
Eyelet cap
Fig. 3-16
Fig. 3-17
Wiring port
Fig. 3-18
11
Check pin (CHK: CN062)
IC010
IC001
JP001
CN073
FILTER EXCT
Indoor control board
T5A E250V
CN040 CN041
CN044
EMG OC RC
Fig. 3-19