Mitsubishi Electric R410A Service Handbook page 98

[5-1 Dipswitch Functions and Factory Settings ]
(3) INV board
1) PUHY-P72, P96, P120, P144, P168YLMU
Functions are switched with the following connector.
Connector
CN6 short- Enabling/disabling the following error
circuit con- detection functions;
nector ACCT sensor failure
(5301 Detail No. 115)
ACCT sensor circuit failure
(5301 Detail No.117)
IPM open/ACCT erroneous wiring
(5301 Detail No. 119)
Detection of ACCT erroneous wiring
(5301 Detail No.120)
CN6 short-circuit connector is mated with the mating connector.
Leave the short-circuit connector on the mating connector during normal operation to enable error detection and protect the
equipment from damage.
2) PUHY-P72, P96, P120, P144, P168TLMU
Switch
SW1 1 Enabling/disabling the following error
detection functions;
ACCT/DCCT sensor failure
(5301 Detail No. 115, 116)
ACCT/DCCT sensor circuit failure
(5301 Detail No.117,118)
IPM open/Disconnected CNCT2
(5301 Detail No. 119)
Detection of erroneous wiring
(5301 Detail No.120)
2
3
4
5
6
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.
Leave SW1-1 to OFF during normal operation. If it is set to ON, errors cannot be detected and the unit may be damaged.
HWE14080
Function according to connec-
Function
Enabled
Error detec-
tion enabled
Function according to switch
Function
Error detec-
tion enabled
-
-
-
-
-
- 89 -
tor
Disabled
Error detec- Anytime after power on
tion disable
(No load op-
eration is pos-
sible.)
setting
OFF ON
Error detec- Anytime after power on
tion disable
(No load op-
eration is pos-
sible.)
- -
- -
- -
- -
- -
Setting timing
Switch setting timing
- -
- -
- -
- -
- -
GB