Outdoor unit
Switch
SWU1
1s digit
SWU2
10ths digit
SW1 Digital
display
switch
SW2
Function
switch
SW5
Function
switch
SW3
Test run
SW4
Model
select
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
Always
Always
OFF to ON any time after
the power is turned on.
During compressor
running
Before turning the
power on
Enable
ON
Disable
Enable
Enable
Active
Normal
Normal
Inactive
Heating
—
Enable
Cooling
OFF
ON OFF
Without centralized
controller
With centralized
controller
Clear
Do not clear
Normal
Normal
—
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
Can be set when off
or during operation
Demand control
Silent mode
Silent mode/Demand control selsction
(see 8.6)
Mode setting
ON/OFF from outdoor unit
<Initial settings>
<Initial settings>
<Initial settings>
<Initial settings>
<Initial settings>
<Initial settings>
Set for each capacity.
—
—
—
—
—
—
Change the indoor-linear expansion
valve opening at start
Change the indoor-linear expansion
valve opening at defrost
SWU2
(10ths digit)
0
1
2
3
4
5
6
7
8
9
SWU1
(1s digit)
0
1
2
3
4
5
6
7
8
9
SWU2
(10ths digit)
0
1
2
3
4
5
6
7
8
9
SWU1
(1s digit)
0
1
2
3
4
5
6
7
8
9
1
ON
OFF
2345678
1
ON
OFF
234 567 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
Auxiliary heater
During the outdoor unit is in HEAT operation,
slightly opens the linear expansion valve on the
indoor unit which is in FAN, STOP, COOL or
thermo-OFF.
*
During the outdoor unit is in HEAT operation, fully
opens the linear expansion valve on the indoor
unit which is in FAN, COOL, STOP, or
thermo-OFF.
**
Active Inactive
* SW5-7 Opens the indoor-linear expanion valve as a countermeasure against the indoor unit in FAN, COOL, STOP, or thermo-OFF
operation with refrigerant-shortage status due to an accumulation of liquid refrigerant in the indoor unit.
** SW5-8 Countermeasure against room temperature rise for indoor unit in FAN, COOL, and thermo-OFF (heating) mode.
MODEL SELECT 1: ON 0: OFF
MODELS
PUMY-P60
01100000
12345612
SW4
SW8
1
ON
OFF
234 567 8
8-5. INTERNAL SWITCH FUNCTION TABLE
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