17
en
7.2. Test run
The following 2 methods are available.
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
Ω
.
► Do not carry out this test on the control wiring (low voltage circuit) terminals.
Warning:
Do not use the air conditioner if the insulation resistance is less than 1.0 M
Ω
.
Insulation resistance
7. Test run
Function table
Select unit number “Grp.”
Mode
Settings
Mode no.
Setting no. Initial setting
setting
Power failure automatic recovery
Not available
01
1
Available
*1
2
Ο
*2
LOSSNAY connectivity
Not Supported
03
1
Ο
Supported (indoor unit is not equipped with outdoor-air intake)
2
Supported (indoor unit is equipped with outdoor-air intake)
3
Auto operation mode
Single set point (Available 14 °C cooling setting *3)
06
1
Dual set point (Not Available 14 °C cooling setting *3)
2
Ο
Smart Defrost *3
Available
20
1
Ο
Not Available
2
Select unit numbers 1 to 4 or “All”
Mode
Settings
Mode no.
Setting no. Initial setting
setting
Filter sign
100 Hr
07
1
2500 Hr
2
Ο
No filter sign indicator
3
Fan speed
Silent
08
1
Standard
2
Ο
High ceiling
3
Fan speed during the cooling thermostat is OFF
Setting fan speed
27
1
Stop
2
Extra low
3
Ο
*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.
Note:
Refer to section “Service menu” for information about the maintenance password.
7.2.2. Using SW4 in outdoor unit
Refer to the outdoor unit installation manual.
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:
If the unit is operated continuously during a test run, the unit stops after 2 hours.
6. Electrical work
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