Mitsubishi Electric PUHY-P250YNW-A Service Handbook page 94

[5-1 Dipswitch Functions and Factory Settings ]
(3) Fan board
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. For
details, refer to the following page(s). [8-
9-9 Checking the Fan Board for Damage
at No Load]
2
3 Address setting. See the notes below.
4
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.
To set the address, only set SW1-3 to ON (= address 5).
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.
BS_05_C
Function according to switch
Function
No-load oper-
ation disabled
-
-
setting
OFF ON
No-load oper- Anytime after power on
ation enabled
- -
0 5
- -
Switch setting timing
-
Before power on
-
5
chapter 5 -