Test Run - Mitsubishi Electric PLA-RP-BA Installation Manual

7. Test run

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 .
TEST RUN
COOL, HEAT
°C
°C
SIMPLE
TEMP. ON/OFF
MENU ON/OFF
FILTER
BACK MONITOR/SET DAY
CHECK
PAR-21MAA CLOCK OPERATION CLEAR
Fig. 7-1
ON/OFF
MODE
,
CHECK
TEST RUN
SET
Fig. 7-2
ERROR CODE
TEMP. ON/OFF
MENU ON/OFF
FILTER
BACK MONITOR/SET DAY
CHECK TEST
PAR-21MAA CLOCK OPERATION
CLEAR
ERROR CODE
ERROR CODE
Fig. 7-3
14
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
TEST
Air direction button
TEST button
Fan Speed button
Louver button
TEST RUN
TEMP
FAN AUTO STOP
VANE AUTO START
LOUVER h
min
RESET CLOCK
CHECK
ON/OFF TEMP
FAN AUTO STOP
MODE VANE AUTO START
CHECK LOUVER h
TEST RUN min
SET RESET CLOCK
Fig. 7-4
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.
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.
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.
TEST RUN
Press the button twice continuously.
(Start this operation from the status of remote controller display turned off.)
and current operation mode are displayed.
TEST RUN
MODE
Press the button to activate
cool air is blown out from the unit.
MODE
Press the button to activate
warm air is blown out from the unit.
FAN
Press the button and check whether fan speed changes.
VANE
Press the 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.
CHECK
Press the 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.
"TEST RUN" liquid crystal display
Stop
mode, then check whether
mode, then check whether
h