Mitsubishi Electric R410A Service Handbook page 99

[5-1 Dipswitch Functions and Factory Settings ]
(4) Fan board (Control box side, Fan box side)
Switch
SW1 1 Enabling/Disabling no-load operation
No-load operation will continue for ap-
proximately 30 seconds, and then the unit
will come to an abnormal stop. Refer to
the section on "Inverter" for details.
[8-9-8 Checking the Fan Inverter for
Damage at No Load](page 269)
[8-10-8 Checking the Fan Inverter for
Damage at No Load](page 280)
2
3
4
5 Address setting (Control box side)
6 Address setting (Fan box side)
Only the addresses are preset before shipment (All other switches are set to OFF.) Unless otherwise specified, leave the
switch to OFF where indicated by "-," which may be set to OFF for a reason.
Set SW1-5 on the fan-box-side Fan board to ON (address = 5). Set SW1-6 on the fan-box-side Fan board to ON (address = 6).
Leave SW1-1 to OFF during normal operation. Setting this switch to ON will disable the error detection function and may result
in equipment damage.
HWE14080
Function according to switch
Function
No-load oper-
ation disabled
-
-
-
- 90 -
setting
OFF ON
No-load oper- Anytime after power on
ation enabled
- -
- -
- -
0 5
0 6
Switch setting timing
- -
- -
- -
Before power on
Before power on
GB