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Mitsubishi Electric PURY-P72 Service Handbook page 135

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[VII Control]
[1] Functions and Factory Settings of the Dipswitches
1.
Outdoor unit
(1) Control board
Units that re-
Function according to switch setting
Switch setting timing
quire switch
Switch
Function
setting
Note.2
OFF
I
ON
OFF
I
ON
OC
as
SWU
1-2
Unit address setting
Set to 00 or 51-100 with the dial switch
Before power on
C
C
SW1
1-10
For self-diagnosis!
Refer to the LED monitor display on the
Anytime after power on
C
C
operation monitoring
outdoor unit board.
Centralized control
Without connection
With connection to
B
B
1
switch
to the centralized
the centralized con- Before power on
controller
troller
2
Deletion of connec-
Normal control
Deletion
Before power on
A
-
tion information
(OC) Storage of
lCI
(OC) DeJetion of
ICI
C
C
Deletion of error his-
OC error history
OC error history
Anytime after power on
3
(When switched from OFF
torySW
(OS) Storage of
as
(OS) Deletion of
to ON)
error history
as
error history
After being energized and
A
-
4
Pump down mode
Normal control
Pump down mode
while the compressor is
stopped
SW2
5
-
-
-
-
-
-
6
-
-
-
-
-
-
Anytime af-
A
A
10 minutes
ter power
7
Forced defrost
Normal control
Forced defrost
after com-
an (When
(Note 3)
starts
pressor
switched
startup
fromOFFto
ON)
Defrost timer setting
Anytime after power on
B
B
8
50 minutes
90 minutes
(When switched from OFF
(Note 3)
to ON)
Target evaporating
_2°C [28°F]
Anytime after power on
A
-
9
O°C [32°F]
1-4°C [25°F]
(When switched from OFF
temperature setting
!-6°C [21°F]
to ON)
10
-
-
-
-
-
-
Note
I
1) Unless otherwise specified, leave the switch to OFF where indicated by "-," which may be set to OFF for a reason.
2) A: Only the switch on either the OC or
as
needs to be set for the setting to be effective on both units.
B: The switches on both the OC and
as
need to be set to the same setting for the setting to be effective.
C: The setting is effective for the unit on which the setting is made.
3) Refer to "VII [2] Controlling the Outdoor Unit" for details.(page 132)
4) Target evaporating temperature will change as shown in the table below each time SW2-9 is tumed ON and OFF.
SW2-9
C
OFF
~
ON
~
OFF
~
ON
~
OFF
~
ON
J
Target evaporating
Ii
O'C
~
-2'C
~
O'C
~
-4'C
~
O·C
~
-6'C
II
temperature
[32'F]
[28'Fl
[32'F]
[25'F]
[32'Fl
[21'F]
HWE0803A
- 125-
GB
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