Test Run; Before Test Run; Using Sw4 In Outdoor Unit - Mitsubishi Heavy Industries Mr. SLIMPSA-M KA-Serie Installationshandbuch

6. Electrical work
Function table
Select unit number "Grp."
Mode
Power failure automatic recovery
LOSSNAY connectivity
Auto operation mode
Smart Defrost *3
Select unit numbers 1 to 4 or "All"
Mode
Filter sign
Fan speed
Fan speed during the cooling thermostat is OFF
*1 When the power supply returns, the air conditioner will start 3 minutes later.
*2 Power failure automatic recovery initial setting depends on the connecting outdoor unit.
*3 It is available when the indoor unit is connected to any of the particular outdoor units.
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 MΩ.
7.2. Test run
The following 2 methods are available.
Note:
If the unit is operated continuously during a test run, the unit stops after 2 hours.
7.2.1. Using controller
Note:
Maintenance password is required.
1 At the Main display, press the Setting button and select Service>Test run>Test
run.
2 Press the ON/OFF button to cancel the test run if necessary.
Note:
Refer to section "Service menu" for information about the maintenance password.
Settings
Not available
Available
Not Supported
Supported (indoor unit is not equipped with outdoor-air intake)
Supported (indoor unit is equipped with outdoor-air intake)
Single set point (Available 14 °C cooling setting *3)
Dual set point (Not Available 14 °C cooling setting *3)
Available
Not Available
Settings
100 Hr
2500 Hr
No filter sign indicator
Silent
Standard
High ceiling
Setting fan speed
Stop
Extra low
► Do not carry out this test on the control wiring (low voltage circuit) terminals.
Do not use the air conditioner if the insulation resistance is less than 1.0 MΩ.
Insulation resistance
7.2.2. Using SW4 in outdoor unit
Refer to the outdoor unit installation manual.
Mode no.
01
*1
03
06
20
Mode no.
07
08
27
Warning:
Setting no. Initial setting setting
1
2 Ο*2
1 Ο
2
3
1
2 Ο
1 Ο
2
Setting no. Initial setting setting
1
2 Ο
3
1
2 Ο
3
1
2
3 Ο
17
en