Whirlpool AMC 992 Instruction for Use download pdf (Page 25)

CHECKS AND TEST RUN AFTER

INSTALLATION

Check Items After Installation

Test Run

1. Preparation of Test Run

•

Do not switch on the power before all installation work is completed.

•

Confirm that the control line is correctly installed and all electrical lines are securely connected.

•

Open the shutoff valves of the large and small pipes.

•

Clear the unit of any foreign bodies, especially metal scraps, line ends and tools.

2. Test Run (Fig. 2 page 53)

•

Plug in, press the “ON/OFF” key on the remote control, and the air-conditioning unit should start.

•

Press the Mode key, select the operating modes such as cooling and fan, and check for normal operation.

ELECTRIC HEATING BELT

Check items Problems caused to improper installation

Is the installation secure? The unit may fall, vibrate or make noise

Has gas leakage been checked? May cause unsatisfactory cooling (heating) effect

Is the thermal insulation of the unit sufficient? May cause unsatisfactory cooling (heating) effect

Is drainage smooth? May cause condensation and dripping

Is the main supply voltage the same as the

rated voltage specified on the nameplate?

The unit may break down or components may burn out

Are the lines and pipelines correctly installed? The unit may break down or components may burn out

Has the unit been safely grounded? Risk of electrical leakage

Are the models of lines in conformity with

requirements?

The unit may break down or components may burn out

Are there any obstacles near the air inlet and

outlet of the indoor and outdoor units?

May cause unsatisfactory cooling (heating) effect

Have the length of refrigerating pipe and

refrigerant charge amount been recorded?

It is difficult to know how much refrigerant to use

ELECTRIC HEATING BELT FOR INVERTER MODEL

AMC 996, AMC 998 ONLY

In case of malfunction of the outdoor temperature sensor, both

electric belts stop working. Under normal conditions,

operations is as follows:

When the outdoor temperature is -5° or less and the

compressor does not start, the electric heating belt on the

compressor start; if the compressor is running or does not

start but the outdoor temperature is > -2°C, the electric

heating belt does not start. If the compressor does not start

and the outdoor temperature is between -5°C and -2°C the

electric heating belt on the compressor maintains its current

status.

When the outdoor temperature is less or equal to 3°C the

electric condenser heating belt will work. If the outdoor

temperature is greater than 6°C it will not work. Between

3° and 6°C it maintains its current status.

Electric heating belt

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Whirlpool AMC 992 Instruction for Use Page 25

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