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7. Test run
7.1. Before test run
After completing installation and the wiring and piping of the indoor and out-
door 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
Register a telephone number.
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.
ON/OFF TEMP
FAN
VANE
TEST RUN
AUTO STOP
AUTO START
h
min
LOUVER
MODE
CHECK
RESETSET CLOCK
TEST RUN
Fig. 7-2
Fig. 7-1
,
°F
°F
SIMPLE
PAR-21MAA
ON/OFF
FILTER
CHECK
OPERATION
CLEAR
TEST
TEMP.
MENU
BACK DAY
MONITOR/SET
CLOCK
ON/OFF
TEST RUN
COOL, HEAT
ON/OFF button
Test run display
Indoor temperature liquid pipe
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
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
h
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.
ON/OFF TEMP
FAN
VANE
TEST RUN
AUTO STOP
AUTO START
h
min
LOUVER
MODE
CHECK
RESETSET CLOCK
CHECK
Fig. 7-4
Fig. 7-3
PAR-21MAA
ON/OFF
FILTER
CHECK
OPERATION
CLEAR
TEST
TEMP.
MENU
BACK DAY
MONITOR/SET
CLOCK
ON/OFF
ERROR CODE
ERROR CODE
ERROR CODE