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Test Run
Before Test Run
A test run must be performed after the entire
system has been completely installed. Confirm
the following points before performing the test:
a) Indoor and outdoor units are properly installed.
b) Piping and wiring are properly connected.
c) No obstacles near the inlet and outlet of the unit
that might cause poor performance or product
malfunction.
d) Refrigeration system does not leak.
e) Drainage system is unimpeded and draining
to a safe location.
f) Heating insulation is properly installed.
g) Grounding wires are properly connected.
h) Length of the piping and additional refrigerant
stow capacity have been recorded.
i) Power voltage is the correct voltage for the unit.
CAUTION
Failure to perform the test run may result in
unit damage, property damage, or personal
injury.
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 unit to COOL mode.
4. For the Indoor Unit
a.
Double check to see if the room
temperature is being registered correctly.
b.
Ensure the manual buttons on the indoor
unit works properly.
c.
Check to see that the drainage system is
unimpeded and draining smoothly.
d.
Ensure there is no vibration or abnormal
noise during operation.
5. For the Outdoor Unit
a. Check to see if the refrigeration system is
leaking.
b. Make sure there is no vibration or abnormal
noise during operation.
c. Ensure the wind, noise, and water
generated by the unit do not disturb your
neighbors or pose a safety hazard.
6. Drainage Test
a. Ensure the drainpipe flows smoothly. New
buildings should perform this test before
finishing the ceiling.
b. Remove the test cover. Add 2,000ml of
water to the tank through the attached
tube.
c. Turn on the main power switch and run the
unit 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 unit. Turn off the main power
switch and reinstall the test cover.
NOTE: If the unit malfunctions or does not
operate according to your expectations,
please refer to the Troubleshooting section
of the Owner' s Manual before calling
customer service.
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