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Mitsubishi Electric PURY-HP72 Service Handbook page 131

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[5-1 Dipswitch Functions and Factory Settings ]
(3) Fan INV board
Switch
SW1
1
Enabling/Disabling no-load operation
No-load operation will continue for approxi-
mately 30 seconds, and then the unit will come
to an abnormal stop. Refer to the section on "In-
verter" for details.
[8-10-8 Checking the Fan Inverter for Damage
at No Load](page 292)
[8-11-8 Checking the Fan Inverter for Damage
at No Load](page 302)
2
3
4
5
6
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 inverter board to ON (address = 5). Set SW1-6 on the fan-box-side fan inverter 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.
HWE13080
Function
-
-
-
Address setting (Control box side)
-
Function according to switch
setting
OFF
No-load oper-
No-load oper-
ation disabled
ation enabled
-
-
-
0
-
- 120 -
Switch setting timing
ON
Anytime after power on
-
-
-
-
-
-
5
Before power on
-
-
GB
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