Mitsubishi PLA-RP Installation Manual download pdf (Page 14)

7. Test run

ON/OFF TEMP

FAN

VANE

TEST RUN

AUTO STOP

AUTO START

min

LOUVER

MODE

CHECK

RESETSET CLOCK

TEST RUN

Fig. 7-2

Fig. 7-1

°C

SIMPLE

PAR-21MAA

ON/OFF

FILTER

CHECK

OPERATION

CLEAR

TEST

TEMP.

BACK DAY

MONITOR/SET

CLOCK

ON/OFF

TEST RUN

COOL, HEAT

ON/OFF button

Test run display

Liquid pipe (Indoor unit)

temperature display

ON/OFF lamp

Power display

Error code display

Test run remaining time display

Set temperature button

Mode selection button

Air direction button

TEST button

Fan Speed button

Louver button

ON/OFF TEMP

FAN

VANE

TEST RUN

AUTO STOP

AUTO START

min

LOUVER

MODE

CHECK

RESETSET CLOCK

CHECK

Fig. 7-4

Fig. 7-3

PAR-21MAA

ON/OFF

FILTER

CHECK

OPERATION

CLEAR

TEST

TEMP.

BACK DAY

MONITOR/SET

CLOCK

ON/OFF

ERROR CODE

7.1. Before test run

After completing installation and the wiring and piping of the indoor and

outdoor units, check for refrigerant leakage, looseness in the power supply or

control wiring, wrong polarity, and no disconnection of one phase in the supply.

Use a 500-volt megohmmeter to check that the resistance between the

power supply terminals and ground is at least 1.0 M

Do not carry out this test on the control wiring (low voltage circuit) termi-

nals.

Warning:

Do not use the air conditioner if the insulation resistance is less than 1.0 M

7.2. Test run

The following 3 methods are available.

7.2.1. Using wired remote controller (Fig. 7-1)

Turn on the power at least 12 hours before the test run.

Press the [TEST] button twice. “TEST RUN” liquid crystal display

Press the [Mode selection] button and switch to the cooling (or heating) mode.

Make sure that cold (or warm) wind is blown out.

Press the [Fan speed] button. Make sure that the wind speed is switched.

Press the [Air direction button] or [Louver button].

Check operation of the vane or louver.

Check operation of the outdoor unit fan.

Release test run by pressing the [ON/OFF] button. Stop

The telephone number of the repair shop, sales ofﬁ ce, etc., to contact if an error

occurs can be registered in the remote controller. The telephone number will be

displayed when an error occurs. For registration procedures, refer to the opera-

tion manual for the indoor unit.

7.2.2. Using wireless remote controller (Fig. 7-2)

Turn on the power to the unit at least 12 hours before the test run.

Press the

TEST RUN

button twice continuously.

(Start this operation from the status of remote controller display turned off.)

TEST RUN

and current operation mode are displayed.

Press the

MODE

button to activate mode, then check whether

cool air is blown out from the unit.

Press the

MODE

button to activate mode, then check whether

warm air is blown out from the unit.

Press the

FAN

button and check whether fan speed changes.

Press the

VANE

button and check whether the auto vane operates properly.

Press the ON/OFF button to stop the test run.

Note:

• Point the remote controller towards the indoor unit receiver while following

steps

to .

• It is not possible to run the TEST RUN in FAN, DRY or AUTO mode.

7.2.3. Using SW4 in outdoor unit

Refer to the outdoor unit installation manual.

7.3. Self-check

7.3.1. Wired remote controller (Fig. 7-3)

Turn on the power.

Press the [CHECK] button twice.

Set refrigerant address with [TEMP] button if system control is used.

Press the [ON/OFF] button to stop the self-check.

CHECK button

Refrigerant address

TEMP. button

IC: Indoor unit

OC: Outdoor unit

Check code

Unit address

7.3.2. Wireless remote controller (Fig. 7-4)

Turn on the power.

Press the

CHECK

button twice.

(Start this operation from the status of remote controller display turned off.)

begins to light.

“00” begins to blink.

While pointing the remote controller toward the unit’s receiver, press the

button. The check code will be indicated by the number of times that the buzzer

sounds from the receiver section and the number of blinks of the operation lamp.

Press the ON/OFF button to stop the self-check.

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Mitsubishi PLA-RP Installation Manual Page 14

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