Before Test Run - Mitsubishi Electric Mr. SLIM PCA-A GA Series Installation Manual

6. Electrical work
Select unit numbers 01 to 03 or all units (AL [wired remote controller]/07 [wireless remote controller])
Mode
Filter sign
Fan speed
No. of air outlets
Installed options (high-performance filter)
Up/down vane setting
Energy saving air flow
(Heating mode)
*1 When the power supply returns, the air conditioner will start 3 minutes later.
7. Test run

7.1. Before test run

s 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.
s Use a 500-volt megohmmeter to check that the resistance between the power
supply terminals and ground is at least 1.0 MΩ Ω Ω Ω Ω .
F E D B
TEST RUN
COOL, HEAT
C
˚C
˚C
SIMPLE
TEMP. ON/OFF
MENU ON/OFF FILTER
BACK MONITOR/SET DAY CHECK
PAR-21MAA CLOCK OPERATION
CLEAR
H G I
7
MODE
3,4
CHECK
TEST RUN
2
Fig. 7-2
12
Settings
100 Hr
2500 Hr
No filter sign indicator
Standard (PLA)/Silent (PCA)
High ceiling 1 (PLA)/Standard (PCA)
High ceiling 2 (PLA)/High ceiling (PCA)
4 directions
3 directions
2 directions
Not supported
Supported
No vanes
Equipped with vanes (vanes angle setup 1 )
Equipped with vanes (vanes angle setup 2 )
Disabled
Enabled
A ON/OFF button
B Test run display
C Indoor temperature liquid line
temperature display
D ON/OFF lamp
E Power display
F Error code display
Test run remaining time dis-
A
play
G Set temperature button
TEST H Mode selection button
I Fan speed button
M TEST button
M
Fig. 7-1
A
TEST RUN
ON/OFF TEMP
FAN AUTO STOP
5
VANE AUTO START
6
LOUVER h
min
SET RESET CLOCK
Mode no.
s 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 MΩ Ω Ω Ω Ω .
Insulation resistance
7.2. Test run
The following 3 methods are available.
7.2.1. Using wired remote controller (Fig. 7-1)
1 Turn on the power at least 12 hours before the test run.
2 Press the [TEST] button twice. ➡ "TEST RUN" liquid crystal display
3 Press the [Mode selection] button. ➡ Make sure that wind is blown out.
4 Press the [Mode selection] button and switch to the cooling (or heating) mode.
➡ Make sure that cold (or warm) wind is blown out.
5 Press the [Fan speed] button. ➡ Make sure that the wind speed is switched.
6 Check operation of the outdoor unit fan.
7 Release test run by pressing the [ON/OFF] button. ➡ Stop
8 Register a telephone number.
The telephone number of the repair shop, sales office, 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 operation
manual for the indoor unit.
7.2.2. Using wireless remote controller (Fig. 7-2)
1 Turn on the power to the unit at least 12 hours before the test run.
TEST RUN
2 Press the
button twice continuously.
(Start this operation from the status of remote controller display turned off.)
A
and current operation mode are displayed.
TEST RUN
MODE
3 Press the
button to activate
cool air is blown out from the unit.
MODE
4 Press the
button to activate
warm air is blown out from the unit.
FAN
5 Press the
button and check whether fan speed changes.
VANE
6 Press the
button and check whether the auto vane operates properly.
7 Press the ON/OFF button to stop the test run.
Note:
• Point the remote controller towards the indoor unit receiver while following
steps 2 to 7.
• It is not possible to run the in FAN, DRY or AUTO mode.
7.2.3. Using SW4 in outdoor unit
Refer to the outdoor unit installation manual.
Setting no. Initial setting
1
07 2
3
1
08 2
3
1 —
09 2 —
3 —
1
10
2
1
11 2
3
1
12
2
mode, then check whether
COOL
mode, then check whether
HEAT
Setting