Installation
Page 53
11.2.6 Close the front grille, and close the
two grille hooks.
12. Test Operation
1. The test operation must be carried
out after the entire installation has been
completed.
2. Please confirm the following points
before the test operation.
• The indoor unit and outdoor unit are installed prop-
erly.
• Piping and wiring are properly connected.
• Ensure that there are no obstacles near the inlet and
outlet of the unit that might cause poor perfor-
mance or product malfunction.
• The refrigeration system does not leak.
• The drainage system is unimpeded and draining to a
safe location.
• The heating insulation is properly installed.
• The grounding wires are properly connected
• The length of the piping and the added refrigerant
stow capacity have been recorded.
• The power voltage is the correct voltage for the air
conditioner.
CAUTION: Failure to perform the test run may result in unit
damage, property damage or personal injury.
3. Test Run Instructions
1. Open both the liquid and gas stop valves.
2. Turn on the main power switch and allow the unit to
warm up.
3. Set the air conditioner to COOL mode, and check the
following points.
Indoor unit
• Whether the switch on the remote controller works
well.
• Whether the buttons on the remote controller
works well.
• Whether the air flow louver moves normally.
• Whether the room temperature is adjusted well.
• Whether the indicator lights normally.
• Whether the temporary buttons works well.
• Whether the drainage is normal.
• Whether there is vibration or abnormal noise during
operation.
Outdoor unit
• Whether there is vibration or abnormal noise during
operation.
• Whether the generated wind, noise, or condensed
of by the air conditioner have influenced your neigh-
borhood.
• Whether any of the refrigerant is leaked.
3. Drainage Test
a. Ensure the drainpipe flow smoothly. New buildings
should perform this test before finishing the ceiling.
b. Remove the test cover. Add 2000ml of water to the tank
through the attached tube.
c. Turn on the main power switch and run the air
conditioner in COOL mode.
d. Listen to the sound of the drain pump to see if it makes
any unusual noises.
e. Check to see that the water is discharged. It may
take up to one minute before the unit begins to drain
depending on the drainpipe.
f. Make sure that there are no leaks in any of the piping.
g. Stop the air conditioner. Turn off the main power switch
and reinstall the test cover.
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