Mitsubishi Electric PURY-M200YNW-A1 Service Handbook page 133

[5-1 Dipswitch Functions and Factory Settings ]
Switch
Enables or disables the de-
tection of the following
types of inverter compres-
sor errors
ACCT, DCCT sensor er-
ror(5301 Detail code 115,
116)
1 ACCT, DCCT sensor circuit
error(5301 Detail code 117,
118)
IPM open-phase/CNCT2
connection error(5301 De-
tail code 119)
Wiring connection er-
ror(5301 Detail code 120)
Enables or disables no-
load operation of the fan in-
verter
The unit continues no-load
operation for 30 seconds
SW7 2
and comes to an error stop.
See the relevant pages for
details: [8-10-9 Checking
the Fan Board for Damage
at No Load]
3
4
5
6
7
8
Switches between the nor-
9 mal startup mode and the
USB writer rewrite mode
10
1) Unless otherwise specified, leave the switch to OFF where indicated by "-" or where the cells are blank, which may be set to
OFF for a reason.
2) When set to the performance-priority mode, the low-noise mode will be terminated, and the units will operate in the normal
mode.
Cooling: Ambient temperature or the high pressure is high.
Heating: When the outside air temperature is low or when the low pressure is low. Refer to the following page(s). [2-4-7 Var-
ious Control Methods Using the Signal Input/Output Connector on Outdoor Unit]
3) Operation noise is reduced by controlling the compressor frequencies and the rotation speed of the outdoor unit fans.
CN3D needs to be set. Refer to the following page(s). [2-4-7 Various Control Methods Using the Signal Input/Output Connec-
tor on Outdoor Unit]
4) Selectable with the function switches SW6-4 and SW6-5.
ON
SW6-4
OFF
5) Keep SW7-1, and -2 set to OFF during normal operation. Leaving these switches to ON will disable the error-detection function
and can lead to equipment damage.
6) Shaded areas ( ) indicate factory settings.
2
- chapter 5
Function according to switch setting
Function
OFF
Error detection en-
abled
No-load operation
disabled
-
-
-
-
-
-
Normal startup
mode
-
SW6-5
ON OFF
80 Pa 60 Pa
30 Pa 0 Pa
ON
Error detection dis-
abled (no-load oper-
ation allowed)
No-load operation
enabled
- -
- -
- -
- -
- -
- -
USB writer rewrite
mode
- -
Switch setting timing
Any time after power on
Any time after power on
-
-
-
-
-
-
Before power on
-
BS_05_M