Mitsubishi PUMY-P100VHM Technical & Service Manual page 55

9-5. INTERNAL SWITCH FUNCTION TABLE
PUMY-P100VHM
PUMY-P100VHMA
PUMY-P100VHMA-BS PUMY-P125VHMA-BS
Switch Step
SWU1
1st digit
SWU2
2nd digit
SW1 Digital
Display
1~8
Switching
Selects operating system startup
1
Connection Information Clear Switch
2
3 Abnormal data clear switch input
SW2
Function
4 Pump down
Switching
5
Auto change over from Remote controller
6
1
ON/ OFF from outdoor unit
SW3 Trial
operation
2 Mode setting
SW4
Model
1~6
Switching
Pressure limitation value change
1
Change the indoor unit's LEV opening at
2
start
Fixing the indoor units linear expansion
3
SW5
valve opening
Function
Fix the operation frequency
4
switching
Change the indoor unit's LEV opening
5
at defrost
Switching the target sub cool.
6
During the FAN or COOL mode, and thermo-OFF
7 or stop in heating operation, set the opening of
linear expansion valve on indoor unit 1
During the FAN or COOL mode, and thermo-OFF
8
in heating operation, set the opening of linear ex-
pansion valve on indoor unit 2
1 SW5-7 Refrigerant shortage amount is measured during heating operation.
(Refrigerant piping is long etc.)
2 SW5-8 Countermeasure against room temperature rise for indoor unit in FAN, COOL, and thermo-OFF (heating) mode.
PUMY-P125VHM
PUMY-P125VHMA
Function
0
SWU2
(2nd digit)
ON
OFF
1 2 3 4 5 6 7 8
—
SW4
MODELS
ON
PUMY-P100
OFF
1 2 3 4 5 6
ON
PUMY-P125
OFF
1 2 3 4 5 6
ON
PUMY-P140
OFF
1 2 3 4 5 6
PUMY-P140VHM
PUMY-P140VHMA
PUMY-P140VHMA-BS
Operation in Each Switch Setting
ON OFF
0
SWU1
(1st digit)
With centralized
Without centralized
controller controller
Clear Do not clear
Clear abnormal data Normal
Normal
Run adjustment mode.
Disable
Enable
—
—
ON OFF
Heating Cooling
Enable Normal
Enable
Normal
Fix Normal
Fix Normal
Enable
Normal
Enable Normal
Active Inactive
Active Inactive
55
When to Set
<Initial Setting>
0
Before turning
the power on
SWU2
(2nd digit)
Can be set <Initial Setting>
either during
ON
operation or not.
OFF
1
<Initial Setting>
Before turning the
power on
ON
OFF to ON any time after
the power is turned on.
OFF
During compressor
1
running
Before turning
the power on
—
<Initial Setting>
Any time after the
power is turned on.
<Initial Setting>
Set for each capacity.
Before the power
is turned on.
<Initial Setting>
Can be set when off
or during operation
ON
OFF
1
OFF to ON during com-
pressor running.
Can be set when off
or during operation
Remarks
0
SWU1
(1st digit)
2 3 4 5 6 7 8
2 3 4 5 6
ON
OFF
1 2
2 3 4 5 6 7 8