Functions And Factory Settings Of The Dipswitches - Mitsubishi Electric PURY-P72 Service Handbook
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Also See for PURY-P72:
- Service handbook (412 pages) ,
- Service handbook (403 pages) ,
- Service handbook (404 pages)
Table of Contents
[ VII Control ]
VII Control
[1] Functions and Factory Settings of the Dipswitches
1. Outdoor unit
(1) Control board
Switch
Function
SWU
1-2
Unit address setting
For self-diagnosis/
SW1 1-10
operation monitoring
Centralized control
1
switch
Deletion of connec-
2
tion information
Deletion of error his-
3
tory SW
4
Pump down mode
5
SW2
6
Forced defrost
7
(Note 3)
Defrost timer setting
8
(Note 3)
Target evaporating
9
temperature setting
10
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 OS needs to be set for the setting to be effective on both units.
B: The switches on both the OC and OS 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 turned ON and OFF.
SW2-9
Target evaporating
temperature
HWE0803A
Function according to switch setting
OFF
Set to 00 or 51-100 with the dial switch
Refer to the LED monitor display on the
outdoor unit board.
Without connection
to the centralized
controller
Normal control
(OC) Storage of IC/
OC error history
(OS) Storage of OS
error history
Normal control
-
-
-
-
Normal control
50 minutes
0°C [32°F]
-
-
OFF → ON → OFF → ON → OFF → ON
0
0
-2
[32
]
[28
]
[32
]
Switch setting timing
ON
Before power on
Anytime after power on
With connection to
the centralized con-
Before power on
troller
Deletion
Before power on
(OC) Deletion of IC/
Anytime after power on
OC error history
(When switched from OFF
(OS) Deletion of
to ON)
OS error history
After being energized and
Pump down mode
while the compressor is
stopped
-
-
10 minutes
Forced defrost
after com-
starts
pressor
startup
Anytime after power on
90 minutes
(When switched from OFF
to ON)
-2°C [28°F]
Anytime after power on
/-4°C [25°F]
(When switched from OFF
/-6°C [21°F]
to ON)
-
-4
0
-6
[25
]
[32
]
[21
]
- 125 -
Units that re-
quire switch
setting
Note.2
OFF
ON
OC
C
C
B
A
C
A
-
-
-
-
Anytime af-
A
ter power
on (When
switched
from OFF to
ON)
B
A
-
-
OS
C
C
B
-
C
-
-
-
A
B
-
-
GB
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