85
Outdoor unit
Switch
SW U1
1st digit
SW U2
2nd digit
SW1 Digital
Display
Switching
SW2
function
Switching
SW5
function
switching
SW6
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.
Before the power
is turned on.
Can be set when
off or during
operation
Rotary switch
1
2
3
4
5
6
7
8
9
10
1
2
1
2
3
4
5
6
7
8
1
2
3
Function
1~8
1~4
Can be set
either during
operation or not.
Before turning the
power on
While unit stopping.
Any time after the
power is turned on.
OFF to ON any time after
the power is turned on.
Active
Active
Active
Enable
Inactive
Inactive
Active
Active
Pdm switching
ETm switching
2 Amp down
0.2 MPS up
Active
Inactive
Inactive
Normal
Normal
Normal
Normal
Inactive
Before turning the power on
While unit stopping
While unit stopping
ON
Enable
Fix
OFF
Disable
Inactive
Start up
Doesn’t start up
Clear
Do not clear
Normal
Disable
Normal
Fix
Normal
Enable
Disable
Normal
Continuous
30 min.
(ordinary)
Clear abnormal data
Selects operating system startup
Connection Information Clear Switch
Abnormal data clear switch input
During the FAN or COOL mode, and thermo - OFF
or OFF in heating operation, set the opening
of linear expansion valve on indoor unit.
During the FAN or COOL mode, and thermo - OFF
in heating operation, set the opening of
linear expansion valve on indoor unit.
Forced defrost
Cumulative
60 min.
Forced defrost
Defrost detection switching
Defrost disabled time selection
Vacuum operation protection (error
code 1505) is not detected.
Enable/disable operation from outdoor
unit
ON/OFF from the outdoor unit.
<Factory Settings>
<Factory Settings>
<Factory Settings>
<Factory Settings>
<Factory Settings>
<Factory Settings>
Set for each capacity.
Auto Change Over from Remote Controller
Fixing the indoor units linear expansion
valve opening
Fixing the outdoor unit electronic
expansion valve opening.
Enable fixing at the desired frequency
Maintain outdoor fan at fixed speed
and ignore outdoor temperature
sensor abnormality
SWU2
(2nd digit)
W
The address automatically becomes
"100" if it is set as "01~50"
0 1
2
3
4
56
7
8
9
SWU1
(1st digit)
0 1
2
3
4
56
7
8
9
SWU2
(2nd digit)
0 1
2
3
4
56
7
8
9
SWU1
(1st digit)
0 1
2
3
4
56
7
8
9
1
ON
OFF
2 3 4 5 6 7 8
1
ON
OFF
2 3 4 5 6 7 8
1
ON
OFF
2 3 4 5 6 7 8
<Factory Settings>
1
ON
OFF
2 3 4 5 6 7 8
1
ON
OFF
2 3 4
1
ON
OFF
2 3 4 5 6 7 8 9 10
1
ON
OFF
2
OFF
➔
ON, during
compressor running
in heating mode.
OFF
➔
ON while
compressor is not
operating
While unit stopping.
While unit stopping.
Any time after the
power is turned on.
Service ref.
SW4
PUMY-125VMA
PUMY-125VMA
1
Ignore refrigerant filling abnormality
Switching the target discharge pressure (Pdm)
Switching the target evaporation temperature (ETm)
Switching the Input Current Limit Level
Switching the High Pressure Limit Level
Ignore current sensor error
The black square ( ) indicates a switch position.
8-5-2. Outdoor unit internal switch function table
(PUMY-125VMA, PUMY-125VMA
1
)
OC183E--3.qxp 10.5.6 3:05 PM Page 85
