12
GB
D
F
I
NL
E
P
GR
RU
TR
9. Test Operation (read OPERATION MANUAL as well)
•
After completing installation of the indoor and outdoor units, piping, and wiring, check the power supply, and check for refrigerant leaks, wiring mistakes, loose transmis-
sion lines, and incorrect polarity.
•
Using a DC500 V Mega, check that the resistance between the power supply terminal block and earth is 1.0 M
Ω
or more. Do not operate if this resistance is less than
1.0 M
Ω
.
* Do not measure the resistance of transmission lines.
•
Refer to the following Test Run Procedure.
•
Check functions as follows when using external I/O.
Test Run Procedure
Operation procedure
Turn main power supply on before 12 hours or more.
→
Ready for operation in approximately one minute. Leave for 12 hours or more (with outdoor unit compressor crankcase heater ON).
1
Set Normal/Local switch of indoor unit to local.
2
Start test run by the remote controller.
→
Check that the indoor fan and outdoor unit operate normally.
→
Check for piping and wiring mistakes.
3
Stop the unit by the remote controller.
→
Test run complete.
4
Set indoor unit Normal/Local switch of indoor unit to Normal.
→
Check that the Normal/Local switch is set to Normal after test run.
Notes: 1 An error code will be appeared on the remote controller if the Fault lamp on the indoor unit is lit during test run. Refer to the Outdoor Units Installation Manual for
details of error codes.
2 Set DIP SW3 - 7 to ON if operation cannot be continued at low-load during test run. Always set DIP SW3 - 7 to OFF after completing test run (change the switch
setting only while power is OFF).
• External output function check
1
Item
Start/Stop
Operation details
Operate from external input.
Check details
Air-conditioner operates or stops.
Remote controller display changes.
Measures required
• Check connection of Start/Stop input terminal.
• Check SW1 - 10 are OFF.
• Check SW3 - 8 are ON.
• Check the Normal/Local switch is set to Normal.
1
2
Item
Operation status
Fault
Operation details
Operate (Stop) air-conditioner
from remote controller.
Stop air-conditioner at fault.
Check details
Device connected to output terminal
responds.
Check specified number air-
conditioner.
Measures required
• Check connection of output terminal.
•
Check functions as follows when using external I/O.
• External input function check
