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Outdoor unit
Switch
SWU1
1st digit
SWU2
2nd digit
SW1 Digital
Display
Switching
SW2
Function
Switching
SW5
Function
switching
SW3 Trial
operation
SW4
Model
Switching
Step
Operation in Each Switch Setting
ON OFF When to Set
Remarks
Before turning
the power on
Before the power
is turned on.
Rotary switch
1
2
3
4
5
6
1
2
1
2
3
4
5
6
7
8
Function
1~8
1~6
Can be set
either during
operation or not.
Before turning the
power on
Before turning
the power on
Any time after the
power is turned on.
OFF to ON any time after
the power is turned on.
During compressor
running
OFF to ON during com-
pressor running.
Enable
—
ON
Disable
Enable
Enable
Active
Normal
Normal
Inactive
Heating
Enable
Enable
Cooling
OFF
——
Without centralized
controller
With centralized
controller
Clear
Do not clear
Normal
Normal
Normal
Normal
Fix Normal
Fix Normal
Clear abnormal data
Run adjustment mode.
Selects operating system startup
Connection Information Clear Switch
Abnormal data clear switch input
Pump down
Auto change over from Remote controller
—
Mode setting
ON/ OFF from outdoor unit
<Initial Setting>
<Initial Setting>
<Initial Setting>
<Initial Setting>
<Initial Setting>
<Initial Setting>
Set for each capacity.
Pressure limitation value change
Change the indoor unit's LEV opening at
start
Fixing the indoor units linear expansion
valve opening
Fix the operation frequency
Change the indoor unit's LEV opening
at defrost
SWU2
(2nd digit)
0
1
2
3
4
5
6
7
8
9
SWU1
(1st digit)
0
1
2
3
4
5
6
7
8
9
SWU2
(2nd digit)
0
1
2
3
4
5
6
7
8
9
SWU1
(1st digit)
0
1
2
3
4
5
6
7
8
9
1
ON
OFF
234567 8
1
ON
OFF
234567 8
1
ON
OFF
23456
1
ON
OFF
2
Can be set when off
or during operation
Can be set when off
or during operation
Switching the target sub cool.
During the FAN or COOL mode, and thermo-OFF
or stop in heating operation, set the opening of
linear expansion valve on indoor unit
w1
During the FAN or COOL mode, and thermo-OFF
in heating operation, set the opening of linear ex-
pansion valve on indoor unit
w2
Active Inactive
w1 SW5-7 Refrigerant shortage amount is measured during heating operation.
(Refrigerant piping is long etc.)
w2 SW5-8 Countermeasure against room temperature rise for indoor unit in FAN, COOL, and thermo-OFF (heating) mode.
1
ON
OFF
234567 8
MODELS
PUMY-P140
SW4
ON
OFF
123456
PUMY-P125
ON
OFF
123456
PUMY-P100
ON
OFF
123456
9-5. INTERNAL SWITCH FUNCTION TABLE
PUMY-P100VHM PUMY-P125VHM PUMY-P140VHM
PUMY-P100VHMA PUMY-P125VHMA PUMY-P140VHMA
OC376B--2.qxp 08.1.17 1:15 PM Page 55