Test Operation - York YKFE12BXEXBH-RX Installation And Owner's Manual

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 properly.
● Tubing and wiring are correctly completed.
● The refrigerant pipe system is leak-checked.
● The drainage is unimpeded.
● The heating insulation works well.
● The ground wiring is connected correctly.
● The length of the tubing and the added stow capacity of the refrigerant have been recorded.
● The power voltage fits the rated voltage of the air conditioner.
● There is no obstacle at the outlet and inlet of the outdoor and indoor units.
● The gas-side and liquid-side stop valves are both opened.
3. According to the user's requirement, install the remote controller frame where the remote controller's signal can
reach the indoor unit smoothly.
4. Test operation
● Set the air conditioner under the mode of "COOLING" with the remote controller and check the following points
as per this Manual. If there is any malfunction, please resolve it through chapter "Trouble Shooting" in the Manual.
1) The indoor unit
a. Whether the switch on the remote controller works well?
b. Whether the buttons on the remote controller works well?
c. Whether the air flow louver moves normally?
d. Whether the room temperature is adjusted well?
e. Whether the indicator lights normally?
f. Whether the temporary buttons works well?
g. Whether the drainage is normal?
h. Whether there is vibration or abnormal noise during operation?
2) The outdoor unit
a. Whether there is vibration or abnormal noise during operation?
b. Whether the generated exhaust, noise, or condensed water by the air conditioner have influenced your
neighborhood?
c. Whether any of the refrigerant is leaked?
A protection device delays the start of compressor for about 3 minutes when it is restarted immediately after
switching on the power.
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! CAUTION