AUX AL-H12/4R1D, Service Manual

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AUX-Light CAC 50Hz R410A Trouble shooting
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electrician.
◇
All of the ceiling/floor type unit is without accessorial electric heating
7.3.3 wire connection
Remove electric control box cover of indoor unit, connect the wires in accordance with the electri diagram
mentioned on the back of the cover. The wire ends must be tightly fixed into terminal boards without ease.
The earth wire must be fixed into appointed position.
Outdoor wire connection
◇
Remove the electric item cover, which is positioned in the right side of outdoor unit, connect the wires
in accordance with the electric diagram on the back of the cover.
◇
Be sure that pressing the wires tightly with the terminal boards while it through the board, the wire ends
must be tightly fixed into terminal boards. The earth wire must be fixed into appointed position.
◇
After all the wire connected, bundle connection pipe, connection wires and drainage pipe with strips
like mentioned drawing below:
Notice:
◇
Compressor of AL-(H)36/5R1 (U) , AL-(H)48/5R1 (U), AL-(H)60/5R1 (U) are 3 phase power supply with
phase sequence protection in its outdoor control board. Please be careful with wire connection.
◇
Be sure do’t make the drainage pipe flat while bundled.
7.4. Commissioning
After installation, machine can be started commissioning.
Check installation condition
◇
Check indoor/outdoor unit installation and wire connection in accordance with the requirement of
service manual.
◇
Check the power supplying, diameter of wires, air on-off and make it sure that the items can be
matched with machines and, earth wire connection safety.
◇
Check air inlet/outlet duct and make it sure that the items is clean, operating smoothly.
Commissioning

During winter, the first run of performance should be supplied power 8 hours in advance to warm-up
the crankcase.

During winter, while after 8 hours power off, the performance test should be 2 and half hours power on
later:
◇
Power on, run machine with cooling mode.
◇
After 3 minutes compressor protection, check if there is normal cooling air come from indoor unit and if
there is abnormal noise come from indoor/outdoor units
◇
Configure t
he mode with “fan” and check if there is high air come from indoor unit.
◇ Operate “swing” mode, check if the louver is properly swaying.
◇
Press the other buttons on the remote controller and check if the complete unit is on proper working