Test Run - York YKKE Series Installation Manual

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) The indoor and outdoor units are properly installed.
b) Piping and wiring are properly connected.
c) Ensure that there are no obstacles near the inlet
and outlet of the unit that might cause poor
performance or product malfunction.
d) The refrigeration system does not leak.
e) The drainage system is unimpeded and draining to
a safe location.
f) The heating insulation is properly installed.
g) The grounding wires are properly connected.
h) The length of the piping and the added refrigerant
stow capacity have been recorded.
i) 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.
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.
4. For the Indoor Unit
a. Ensure the remote control and its buttons work
properly.
b. Ensure the louvers move properly and can be
changed using the remote control.
c. Double check to see if the room temperature is
being registered correctly.
d. Ensure the indicators on the remote control and the
display panel on the indoor unit work properly.
e. Ensure the manual buttons on the indoor unit
works properly.
f. Check to see that the drainage system is
unimpeded and draining smoothly.
g. 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 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.
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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