Mitsubishi PUMY-P100YHM Technical & Service Manual page 55

9-5. INTERNAL SWITCH FUNCTION TABLE
PUMY-P100YHM
PUMY-P100YHM1
PUMY-P100YHMA
PUMY-P100YHMA-BS
Switch Step
SW U1
1st digit
SW U2
2nd digit
SW1 Digital
Display
1~8
Switching
1 Selects operating system startup
Connection Information Clear Switch
2
Abnormal data clear switch input
3
SW2
Function
Pump down
4
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
1 Pressure limitation value change
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 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 amount shortage measure 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-P125YHM
PUMY-P125YHM1
PUMY-P125YHMA
PUMY-P125YHMA-BS
Function
0
SWU2
(2nd digit)
ON
OFF
1 2 3 4 5 6 7 8
—
1 MODEL SELECT 1:ON 0:OFF
SW4
MODELS
1 2 3 4 5 6
1 1 0 0 1 0
PUMY-P100
1 1 0 0 0 1
PUMY-P125
1 1 0 0 1 1
PUMY-P140
PUMY-P140YHM
PUMY-P140YHM1
PUMY-P140YHMA
PUMY-P140YHMA-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
Normal
Enable
Enable
Normal
Fix Normal
Fix Normal
Enable Normal
Enable
Normal
Active Inactive
Active Inactive
55
When to Set
<Initial settings>
0
Before turning
the power on
SWU2
(2nd digit)
Can be set <Initial settings>
either during
ON
operation or not.
OFF
1
<Initial 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
—
<Initial settings>
Any time after the
power is turned on.
<Initial settings>
Set for each capacity.
Before the power
is turned on.
<Initial 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