Panasonic S-36MK2E5A - Checking the Drainage

2-19
Design of VRF SYSTEM
1
2
3
4
5
6
7
8
9
3. How to install the indoor unit
3-1-5-3. Checking the Drainage
Be careful since the fan will start
when you short the pin on the
indoor control board.
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)
terminals) inside the electrical component box.
(2)
check drainage. (Fig. 2-29)
(3)
(4)
(5)
Connect power to the power terminal board (R, S
Slowly pour about 1,200 cc of water into the drain pan to
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.
When the check of drainage is complete, open the check pin (CHK) and remount the tube cover.
Checkpoint after installation
CAUTION
After installation of indoor and outdoor units, panels and electrical wiring, check the following items.
RemarkCheckSymptomCheckpoint
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
Fig. 2-29
Drainage check
Over 100 mm
Plastic container
for water intake
Water (Approx. 1,200 cc)
Drain pan outlet
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