YMGI • Your Modern Green Idea
YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!
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TEST AND CHECK ITEMS AFTER INSTALLATION
TEST OPERATION
1. Prepare for test
1) Do not turn on the power switch before all installation is finished.
2) Connect wires correctly and firmly.
3) Open the check valve.
4) Remove all dust.
2. Testing
1) Turn on the power switch and press "ON/OFF" button.
2) Press "MODE" button to select COOL, HEAT, FAN, etc. to test whether it
operates normally.
3. Emergency operation
1) When the unit is stopped, you can press the "AUTO" button on cover NO II,
then the unit is in AUTO mode. The air conditioner selects COOL, HEAT,
DRY, FAN modes automatically.
2) When operating, press the "AUTO" button, the air conditioner will stop.
NOTE:
The "TEST" button on the No. 2 cover is specifically for testing the air conditioner.
When pressing it, the air conditioner will be forced to operate or stop. Do not press it
when the air conditioner is in normal operation.
For the following items, take special care during construction and check after installation is finished.
Items to check
If not properly done, what is likely to happen
Check
Is the indoor unit fixed firmly?
The unit may drop, vibrate or make noise.
Is the gas leak test finished?
It may result in insufficient cooling.
Is the unit fully insulated?
Condensate water may drip.
Does drainage flow smoothly?
Condensate water may drip.
Does the power supply voltage correspond
to that shown on the nameplate
The unit may malfunction or the components burn out.
Are wiring and piping correct?
The unit may malfunction or the components burn out.
Is the unit safely grounded?
Risk of electric leakage.
Is wiring size according to specifications?
The unit may malfunction or the components burn out.
Is something blocking the air outlet or intake
of the indoor or outdoor units?
It may result insufficient cooling.
Have records of refrigerant piping length
and additional refrigerant charge been
made?
Volume of refrigerant charge in the system is not correct.
Note to the installer:
Be sure to instruct the customer how to operate the system and show him/her the attached operating manual.
