Mitsubishi Electric PUMY-P100VHM Technical & Service Manual page 53

8-5. INTERNAL SWITCH FUNCTION TABLE
PUMY-P100VHM PUMY-P125VHM PUMY-P140VHM
Switch Step
SWU1
1st digit
SWU2
2nd digit
SW1 Digital
Display
1~8
Switching
Selects operating system startup
1
2 Connection Information Clear Switch
3 Abnormal data clear switch input
SW2
Function
Pump down
4
Switching
5
Auto change over from Remote controller
6
1
ON/ OFF from outdoor unit
SW3 Trial
operation
Mode setting
2
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 OFF in heating operation, set the opening of
linear expansion valve on indoor unit w1
During the FAN or COOL mode, and thermo-OFF
8
in heating operation, set the opening of linear ex-
pansion valve on indoor unit w2
w1 SW5-7 Refrigerant shortage amount measures during heating operation.
(Refrigerant piping is long etc.)
w2 SW5-8 Room temperature rise measures of the indoor unit that has stopped in heating mode.
Function
0
SWU2
(2nd digit)
ON
OFF
1 2 3 4 5 6 7 8
—
w1 MODEL SELECT
MODELS SW4
ON
PUMY-P100VHM
OFF
1 2 3 4 5 6
ON
PUMY-P125VHM
OFF
1 2 3 4 5 6
ON
PUMY-P140VHM
OFF
1 2 3 4 5 6
Operation in Each Switch Setting
ON OFF
0
SWU1
(1st digit)
Doesn't start up Start up
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
53
When to Set
<Factory Settings>
0
Before turning
the power on
SWU2
(2nd digit)
Can be set <Factory Settings>
either during
ON
operation or not.
OFF
1
<Factory Settings>
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
—
<Factory Settings>
Any time after the
power is turned on.
<Factory Settings>
Set for each capacity.
Before the power
is turned on.
<Factory Settings>
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