Mitsubishi Electric CITY MULTI PUHY-P108 Service Handbook page 152

(2) Compressor INV board
[PUHY/PURY]
Switch
SW1 1 Enabling/disabling the following error
detection functions;
ACCT or DCCT sensor circuit error
(530X Detail No. 115, 116)
ACCT or DCCT sensor failure
(530X Detail No.117,118)
IPM open/Disconnected CNCT2
(530X Detail No. 119)
Detection of erroneous wiring
(530X Detail No.120)
2
3
4
SW2 1
2
3
4
Note1 Except for SW2-1, all are set to OFF at factory shipment. Unless otherwise specified, set the switch to OFF
where indicated by "-," which may be set to a certain setting for a reason.
Note2 Leave SW1-1 to OFF during normal operation. If it is set to ON, errors cannot be detected and the unit may be
damaged.
(3) FAN INV board
[PUHY/PURY]
Switch
SW2 1
2
3
4
Note: Except for SW2-1, all are set to OFF at factory shipment. Unless otherwise specified, set the switch to OFF where
indicated by "-," which may be set to a certain setting for a reason.
Function
Error detec-
tion enabled
-
-
-
Inverter address
-
-
-
Function
Inverter address
-
-
-
- 143 -
Function according to switch
setting
OFF ON
Error detec-
tion disabled
- -
- -
- -
0 1
- -
- -
- -
Function according to switch
setting
OFF ON
0 5
- -
- -
- -
[ VII Control ]
Switch setting timing
OFF ON
Anytime after power on
- -
- -
- -
Always leave it to ON
- -
- -
- -
Switch setting timing
OFF ON
Always leave it to ON
- -
- -
- -