Internal Switch Function Table - Mitsubishi PUMY-P60NKMU Technical & Service Manual

8-5. INTERNAL SWITCH FUNCTION TABLE

PUMY-P60NKMU
PUMY-P60NKMU-BS
Switch Step
SWU1
1s digit
SWU2
10ths digit
SW1 Digital
display
1~8
switch
Selects operating system startup
1
2 Connection information clear switch
Abnormal data clear switch input
3
SW2
Function
Pump down
4
switch
5 Auto change over from remote controller
Silent mode/Demand control selsction
6
(see 8.6)
ON/OFF from outdoor unit
1
SW3
Test run
2 Mode setting
MODEL SELECT 1: ON 0: OFF
SW4
Model
1~6
select
1
Change the indoor-linear expansion
2
valve opening at start
3
SW5
Function
4 Auxiliary heater
switch
Change the indoor-linear expansion
5
valve opening at defrost
Switching the target sub cool
6
During the outdoor unit is in HEAT operation,
slightly opens the linear expansion valve on the
7
indoor unit which is in FAN, STOP, COOL or
thermo-OFF.*
During the outdoor unit is in HEAT operation, fully
8
opens the linear expansion valve on the indoor
unit which is in FAN, COOL, STOP, or
thermo-OFF.**
* 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.
OCH502C
Function
0
SWU2 SWU1
(10ths digit) (1s digit)
ON
OFF
1 2 3 4 5 6 7 8
With centralized
controller
Clear
Clear abnormal data
Run adjustment mode
Enable
Demand control
ON
Heating
SW4 SW8
MODELS
1 2 3 4 5 6 1 2
PUMY-P60 0 1 1 0 0 0 0 0
—
Enable
—
ON
Enable
Enable
Active
Active
The black square (
Operation in each switch setting
ON OFF When to set
0
Before turning
the power on
Can be set
either during
operation or not.
Without centralized
controller Before turning the
power on
Do not clear
OFF to ON any time after
Normal
the power is turned on.
During compressor
Normal
running
Before turning the
Disable
power on
Can be set when off
Silent mode
or during operation
OFF
Always
Cooling
Before the power
is turned on.
—
—
Can be set when off
Normal
or during operation
— —
OFF Always
Normal
Normal
Can be set when off
or during operation
Inactive
Inactive
83
■
) indicates a switch position.
Remarks
<Initial settings>
0 0
SWU2 SWU1
(10ths digit) (1s digit)
<Initial settings>
ON
OFF
1 2 3 4 5 6 7 8
<Initial settings>
ON
OFF
1 2 3 4 5 6
<Initial settings>
ON
OFF
<Initial settings>
Set for each capacity.
—
<Initial settings>
ON
OFF
1 2 3 4 5 6 7 8
—
1 2