84
Outdoor unit
Switch
SW U1
1st digit
SW U2
2nd digit
SW U3
3rd 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
The black square ( ) indicates a switch position.
Before turing
the power on
Before the power
is turned on.
Can be set when
off or during
operation
SWU3
(3rd digit)
Rotary switch
1
2
3
4
5
6
7
8
9
10
1
2
1
2
3
4
5
6
7
8
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
Inactive
Inactive
Normal
Normal
Run
Fix
Fix
Stop
Disable
Inactive
Start up
Doesn’t start up
Clear
Do not clear
Normal
Normal
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
Linear expansion valve opening
setting of suspending indoor unit in
the heat mode.
Linear expansion valve opening
setting of FAN. COOL¥HEAT thermo
OFF indoor unit in the heat mode.
Forced defrost
Cumulative
60 min.
Forced defrost
Defrost detection switching
Defrost disabled time selection
Linear expansion valve opening
setting of thermo OFF unit in the heat
mode.
Enable/disable operation from outdoor
unit
Run/stop from the outdoor unit.
<Factory Settings>
<Factory Settings>
<Factory Settings>
<Factory Settings>
<Factory Settings>
<Factory Settings>
Set for each capacity.
Fix the operation frequency
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
Ignore refrigerant filling abnormality
Switching the target discharge pressure (Pdm)
Switching the target evaporation temperature (ETm)
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
SWU3
(3rd 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
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.
Service ref.
SW4
1
ON
OFF
2 3 4
Service ref.
SW4
PUMY-71VM
PUMY-71VM
1
PUMY-125VM
PUMY-125VM
1
PUMY-125YM
PUMY-125VM
2
PUMY-125YM
1
PUMY-125YMA
PUMY-71VM
2
1
ON
OFF
2 3 4
1
ON
OFF
2 3 4
1
ON
OFF
2 3 4
8-5. INTERNAL SWITCH FUNCTION TABLE
8-5-1. Outdoor unit internal switch function table
(PUMY-71VM/VM
1
/VM
2
, PUMY-125VM/VM
1
/VM
2
, PUMY-125YM/YM
1
/YMA)
OC183E--3.qxp 10.5.6 3:05 PM Page 84
