Checking The Drainage - Panasonic S-07MM2U6 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)
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 0.1 gal. (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.
Upward gradient
(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.
Fig. 3-16
Check pin (CHK: CN062)
Fig. 3-17
11
Water inlet
Eyelet cap
IC010
IC001
FAN-TAP
TP6 TP3 TP1
Indoor control board
Wiring port
Fig. 3-18
T5A L250V
CN041
CN044 CN040
RC
EMG OC
Fig. 3-19