Before Test Run - Mars Comfort-Aire Century VCD24 SA Series Installation Manual

Installation and Operation Manual - VCDxxSA
TEST RUN
CAUTION
Failure to perform the test run may result in unit damage, property damage, or
personal injury.

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) Insulation of piping and duct is properly installed.
g) Grounding wires are properly connected.
h) Length of the piping and additional refrigerant
capacity have been recorded.
i) Power voltage is the correct voltage for the
air conditioner
Test run instryctions
1. Open both the liquid and gas service 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.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.
The design and specifications are subject to change without prior notice for product improvement.
Consult with the sales agency or manufacturer for details. Any updates to the manual will be uploaded
to the service website, please check for the latest version.
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. Turn on the main power switch and run the
air conditioner in COOL mode.
c. 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.
d. Make sure that there are no leaks in any of
the piping.
e. Stop the air conditioner. Turn off the main
power switch and reinstall the test cover.
NOTICE
If the unit malfunctions or does not operate
according to your expectations, please refer
to the Troubleshooting section of Service
Manual before calling customer service.
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