• This manual does not cover outdoor units. When servicing
them, please refer to the service manual No.OC127 REVISED
EDITION-A, OC187, OC217 REVISED EDITION-A and this
manual in a set.
OPERATION MODE display
Operation mode display indicates which operation mode is in effect.
• •display
CHECK&TEST RUN display indicates that the
unit is being checked or test-run.
TEST RUNCHECK
display
Displays when batteries are dead.
display
Displays when setting timer.
Lights when signal is sent from the remote
controller to the indoor unit.
display
display
The vertical direction of airflow is indicated in
▼
marks.
display
FAN SPEED display indicates which fan speed
has been selected.
SET TEMP. display indicates desired temperature set.
CLOCK display
DIsplays the current time.
“ ”display
Flashes when the current time is displayed.
TIMER display
Displays when in timer operation or when setting timer.
➡
“ ” “ ” display
➡
Displays the order of timer operation.
“ ” “ ” display
Displays whether timer is on or off.
▼
“ ” “ ” display
Displays when the current time and the timer
time can be changed.
▼
button
SET TEMPERATURE button sets any desired
room temperature.
● When cover is open.
MODE SELECT button
MODE SELECT button is used to change
cooling. dry (dehumidify) and fan (ventilation)
operation modes.
FAN SPEED SELECT button
FAN SPEED SELECT button selects low or
high fan speed.
VANE CONTROL button
VANE CONTROLbutton regulates the vertical
distribution of airflow.
button
Push to start operation. Push again to stop
operation.
SET CLOCK button
Button used to set the current time.
TIMER CONTROL buttons
STOP (OFF timer): when this switch is set,
the air conditioner will be automatically
stopped at the preset time.
START(ON timer): when this switch is set, the
air conditioner will be automatically started at
the preset time.
HR. and MIN.buttons
Buttons used to set the “hour and minute” of
the current time and timer time.
4
Page 5
●Wireless remote controller
ON/OFF TEMP
FAN
VANE
TEST RUN
AUTO STOP
AUTO START
h
min
LOUVER
MODE
CHECK
RESETSETCLOCK
MODEL SELECT
NOT AVAILABLE
CHECK
TEST RUN
˚C
AMPM
AMPM
VANE CONTROL button
Used to change the air flow direction.
CLOCK button
RESET button
SET button
ON/OFF button
The unit is turned ON and OFF alternately
each time the button is pressed.
LOUVER button
This switch the horizontal fan motion ON
and OFF.
(Not available for this model.)
MODE SELECT button
Used to switch the operation mode between
cooling, drying, fan.
CHECK-TEST RUN button
Only press this button to perform an inspection check or test operation.
Do not use it for normal operation.
FAN SPEED SELECT button
Used to change the fan speed.
TIMER display
Displays when in timer operation or when
setting timer.
button
SET TEMPERATURE button sets any desired
room temperature.
CLOCK display
Displays the current time.
“ ” “ ” display
Displays the order of timer operation.
“ ” “ ” display
Displays whether timer is on or off.
Buttons used to set the “hour and minute” of
the current time and timer settings.
h and min buttons
display
SET TEMP. display indicates desired temperature set.
display
FAN SPEED display indicates which fan
speed has been selected.
display
The vertical direction of air flow is indicated.
display
Blinks when model is selected.
display
Lights up while transmission to the indoor
unit is mode using switches.
display
CHECK&TEST RUN display indicates that
the unit is being checked or test-run.
display
OPERATION MODE display
Operation mode display indicates which operation mode is in effect.
TIMER CONTROL buttons
AUTO STOP (OFF timer): when this switch
is set, the air conditioner will be automatically stopped at the preset time.
AUTO START (ON timer): when this switch
is set, the air conditioner will be automatically started at the preset time.
Weight
Service Ref.
Power supply (phase, cycle, voltage)
Input
Running current (Power factor)
Starting current
External finish
Refrigerant control
Compressor
Model
Motor output
Starter type
Protection devices
Heat exchanger
Fan(drive) o No.
Fan motor output
Airflow
Defrost method
Noise level w2
Dimensions
Weight
Crankcase heater
Refrigerant Charge
Pipe size O.D.
Connection method
Between the indoor &
outdoor units
Btu/h
W
kW
kW
A (%)
A
kW
m
3
/min(CFM)
Pa(mmAq)
kW
dB
mm(in.)
mm(in.)
mm(in.)
mm(in.)
kg(lbs)
kW
A(%)
A
kW
kW
m
3
/min(CFM)
dB
mm(in.)
mm(in.)
mm(in.)
kg(lbs)
W
kg(lbs)
mm(in.)
mm(in.)
Indoor, Outdoor D.B./W.B.°C
Liquid
Gas
W
D
H
W
D
H
REFRIGERANT PIPING
OUTDOOR UNIT
Indoor side
Outdoor side
Height difference
Piping length
INDOOR UNIT
1. STANDARD SPECIFICATION
w1 Refrigerant piping length (one way) : 5m (16ft)
w2 Noise level is measured in an unacoustic room based on JIS conditions.
w3 Up to 20m it is unnecessary to charge additional refrigerant.
w4 Inner thermostat, HP/LP switch.
w5 Motor protector, Thermal switch, HP/LP switch.
w6 Indoor, Outdoor D.B./W.B. : 29/19°C, 46/24°C
w7 Cooling SSA385, 386
6
Page 7
Item
Service Ref.
PK-2.5FLA
Indoor, Outdoor D.B./W.B.°C
Condition
Capacity w1
Total input w1
Service Ref.
Power supply(phase, cycle,voltage)
Input
Running current (Power factor)
Starting current
External finish
Btu/h
W
kW
Single, 50Hz, 220/240V
kW
A(%)
A
23,900
7,000
2.56 / 2.62
PK-2.5FLA2 PK-2.5FLA3 PK-2.5FLA4
0.095 / 0.095
0.44 / 0.44 (98/90)
0.7 / 0.8
Munsell 3.4Y 7.7/0.8(White)
Heat exchanger
Fan(drive) o No.
Fan motor output
Airflow (Low-High)
External static pressure
H
Weight
Service Ref.
Power supply (phase, cycle, voltage)
Input
Running current (Power factor)
Starting current
kW
3
/min(CFM)
m
Pa(mmAq)
kW
dB
mm(in.)
mm(in.)
mm(in.)
mm(in.)
kg(lbs)
kW
A(%)
A
Wireless remote controller & Built-in
PU-2.5VJA
2
Single, 50Hz, 220/240V
2.46 / 2.52
11.4 / 10.7 (98/98)
45 / 49
External finish
Refrigerant control
Compressor
Model
Motor output
kW
NHJ41VMD
2.0
Starter type
Protection devices
Inner thermostat, HP/LP switch
Heat exchanger
OUTDOOR UNIT
Fan(drive) o No.
Fan motor output
Airflow
kW
3
/min(CFM)
m
Defrost method
Noise level w2
Dimensions
Weight
Crankcase heater
Refrigerant Charge
Pipe size O.D.
Connection method
Between the indoor &
REFRIGERANT PIPING
outdoor units
W
D
H
mm(in.)
mm(in.)
mm(in.)
kg(lbs)
kg(lbs)
Liquid
Gas
mm(in.)
mm(in.)
Indoor side
Outdoor side
Height difference
Piping length
dB
W
5253
295 (+24) (11-5/8 (add 1))
32 / 38
R-22 2.4 (5.3)
w1 Refrigerant piping length (one way) : 5m (16ft)
w2 Noise level is measured in an unacoustic room based on JIS conditions.
w3 Up to 20m it is unnecessary to charge additional refrigerant.
w4 Indoor, Outdoor D.B./W.B. : 29/19°C, 46/24°C.
w5 Cooling SSA385, 386
Weight
Service Ref.
Power supply (phase, cycle, voltage)
Input
Running current (Power factor)
Starting current
External finish
Refrigerant control
Compressor
Model
Motor output
Starter type
Protection devices
Heat exchanger
Fan(drive) o No.
Fan motor output
Airflow
Defrost method
Noise level w2
Dimensions
Weight
Crankcase heater
Refrigerant Charge
Pipe size O.D.
Connection method
Between the indoor &
outdoor units
Btu/h
W
kW
kW
A(%)
A
kW
m
3
/min(CFM)
Pa(mmAq)
kW
dB
mm(in.)
mm(in.)
mm(in.)
mm(in.)
kg(lbs)
kW
A(%)
A
kW
kW
m
3
/min(CFM)
dB
mm(in.)
mm(in.)
mm(in.)
kg(lbs)
W
kg(lbs)
mm(in.)
mm(in.)
Indoor, Outdoor D.B./W.B.°C
Liquid
Gas
W
D
H
W
D
H
REFRIGERANT PIPING
OUTDOOR UNIT
Indoor side
Outdoor side
Height difference
Piping length
INDOOR UNIT
PU-3YJA2 PU-3YJA3
w1 Refrigerant piping length (one way) : 5m (16ft)
w2 Noise level is measured in an unacoustic room based on JIS conditions.
w3 Up to 20m it is unnecessary to charge additional refrigerant.
w4 Indoor, Outdoor D.B./W.B. : 29/19°C, 46/24°C
w5 Cooling SSA385, 386
w6 Inner thermostat, HP switch, LP switch.
w7 Thermal switch, Reversed-phase protector, HP switch, LP switch, Thermal relay.
8
Page 9
Item
Indoor, Outdoor D.B./W.B.°C
Condition
Capacity w1
Total input w1
Service Ref.
Power supply(phase, cycle,voltage)
Input
Running current (Power factor)
Starting current
External finish
Heat exchanger
Fan(drive) o No.
Fan motor output
Airflow (Low-High)
External static pressure
Booster heater
INDOOR UNIT
Operation control & Thermostat
Noise level (Low-High) w2
Unit drain pipe O.D.
Dimensions
Weight
Service Ref.
Power supply (phase, cycle, voltage)
Input
Running current (Power factor)
Starting current
External finish
Refrigerant control
Compressor
Model
Motor output
Starter type
Protection devices
Heat exchanger
OUTDOOR UNIT
Defrost method
Noise level w2
Dimensions
Weight
Crankcase heater
Refrigerant Charge
Pipe size O.D.
Connection method
Between the indoor &
REFRIGERANT PIPING
outdoor units
Fan(drive) o No.
Fan motor output
Airflow
Indoor side
Outdoor side
Height difference
Piping length
W
D
H
W
D
H
Liquid
Gas
Service Ref.
Btu/h
W
kW
kW
A(%)
A
kW
3
/min(CFM)
m
Pa,mmAq
kW
dB
mm(in.)
mm(in.)
mm(in.)
mm(in.)
kg(lbs)
kW
A(%)
A
kW
kW
3
/min(CFM)
m
dB
mm(in.)
mm(in.)
mm(in.)
kg(lbs)
W
kg(lbs)
mm(in.)
mm(in.)
3.28 / 3.303.28 / 3.30
Single, 50Hz, 220/240V
0.095 / 0.095
0.44 / 0.44 (98/90)
PU-3VJC
Single, 50Hz, 220/240V
3.18 / 3.20
15.1/13.9(96/96)
54 / 58
NH52VND
2.2
w6w7
32 / 38 32 / 38 38
R-22 2.8(6.2)
PK-3FLA
27,000
7,900
PK-3FLA3 PK-3FLA4 PK-3FLA5
0.7 / 0.8
Wireless remote controller & Built-in
Three, 50Hz, 380/415V
5.7/5.3(85/84)
5253
3 PK-3FLA4 PK-3FLA5
27/19°C , 35/24°C
Cooling (JIS B8616)
Munsell 3.4Y 7.7/0.8(White)
Plate fin coil
Line flow (direct) o 2
15 - 20 (530-706)
0 (direct blow)
20 (13/16)
1,400 (55-1/8)
235 (9-1/4)
340 (13-3/8)
PU-3YJC
3.18 / 3.20
34 / 37
Munsell 5Y 7/1
Capillary tube
Hermetic
NH52YDE
2.4
Line start
Plate fin coil
Propeller (direct) o 1
50 (1765)
870 (34-1/4)
295 (+24) (11-5/8 (add 1))
850 (33-7/16)
9.52 (3/8)
15.88 (5/8)
w3 Max. 20m
w3 Max. 30m
w1 Refrigerant piping length (one way) : 5m (16ft)
w2 Noise level is measured in an unacoustic room based on JIS conditions.
w3 Up to 20m it is unnecessary to charge additional refrigerant.
w4 Indoor, Outdoor D.B./W.B. : 29/19°C, 46/24°C
w5 Cooling SSA385, 386
w6 Inner thermostat, HP switch, LP switch.
w7 Thermal switch, Reversed-phase protector, HP switch, LP switch, Thermal relay.
0.04
—
39 - 45
24 (53)
0.085
—
73 (161)
Flared
Flared
27,300
8,000
3.54
Single, 60Hz, 220V
0.095
0.44 (98)
0.7
PU-3NJA
Single, 60Hz, 220V
3.44
17.6(89)
80
NHJ47NAD
R-22 3.5 (7.7)
1
2.2
w6
w4
w5
23,500
6,900
4.19
4.09
20.9(89)
80
9
Page 10
Item
Service Ref.
PK-3FLA
2 PK-3FLA3 PK-3FLA4 PK-3FLA5
PK-3FLA2 PK-3FLA3 PK-3FLA4 PK-3FLA5
27/19°C , 35/24°C
Cooling (JIS B8616)
Munsell 3.4Y 7.7/0.8(White)
Plate fin coil
Line flow (direct) o 2
0.04
15 - 20 (530-706)
0 (direct blow)
—
Wireless remote controller & Built-in
39 - 45
20 (13/16)
1,400 (55-1/8)
235 (9-1/4)
340 (13-3/8)
24 (53)
25,600
7,500
2.75
Single, 50Hz, 220V
0.095
0.44 (98)
0.7
PU-3VJB
Single, 50Hz, 220V
2.65
12.4(97)
54
PU-3YJB
Three, 50Hz, 380V
2.65
4.2(97)
34
NH47VNHT
2.2
NH47YDNT
2.2
w6w7
52
32 32
Munsell 5Y 7/1
Capillary tube
Hermetic
Line start
Plate fin coil
Propeller (direct) o 1
0.085
50 (1765)
—
870 (34-1/4)
295 (+24) (11-5/8 (add 1))
850 (33-7/16)
73 (161)
9.52 (3/8)
15.88 (5/8)
Flared
Flared
w3 Max. 20m
w3 Max. 30m
Condition
Capacity w1
Total input w1
Service Ref.
Power supply(phase, cycle,voltage)
Input
Running current (Power factor)
Starting current
External finish
Heat exchanger
Fan(drive) o No.
Fan motor output
Airflow (Low-High)
External static pressure
Booster heater
Operation control & Thermostat
Noise level (Low-High) w2
Unit drain pipe O.D.
Dimensions
Weight
Service Ref.
Power supply (phase, cycle, voltage)
Input
Running current /Power factor
Starting current
External finish
Refrigerant control
Compressor
Model
Motor output
Starter type
Protection devices
Heat exchanger
Fan(drive) o No.
Fan motor output
Airflow
Defrost method
Noise level w2
Dimensions
Weight
Crankcase heater
Refrigerant Charge
Pipe size O.D.
Connection method
Between the indoor &
outdoor units
Btu/h
W
kW
kW
A(%)
A
kW
m
3
/min(CFM)
Pa,mmAq
kW
dB
mm(in.)
mm(in.)
mm(in.)
mm(in.)
kg(lbs)
kW
A(%)
A
kW
kW
m
3
/min(CFM)
dB
mm(in.)
mm(in.)
mm(in.)
kg(lbs)
W
kg(lbs)
mm(in.)
mm(in.)
Indoor, Outdoor D.B./W.B.°C
Liquid
Gas
W
D
H
W
D
H
REFRIGERANT PIPING
OUTDOOR UNIT
Indoor side
Outdoor side
Height difference
Piping length
INDOOR UNIT
R-22 3.0(6.6)
w1 Refrigerant piping length (one way) : 5m (16ft)
w2 Noise level is measured in an unacoustic room based on JIS conditions.
w3 Up to 20m it is unnecessary to charge additional refrigerant.
w4 Indoor, Outdoor D.B./W.B. : 29/19°C, 46/24°C
w5 Cooling SSA385, 386
w6 Inner thermostat, HP switch, LP switch.
w7 Thermal switch, Reversed-phase protector, HP switch, LP switch, Thermal relay.
10
Page 11
Item
Service Ref.
PK-4FLSA
Indoor, Outdoor DB/WB°C
Condition
Capacity w1
Total input w1
Service Ref.
Power supply(phase, cycle,voltage)
Input
Running current (Power factor)
Starting current
External finish
Btu/h
W
kW
kW
A(%)
A
3.46 / 3.633.40 / 3.47
33,400
9,800
PK-4FLSA
Single, 50Hz, 220/240V
0.114 / 0.114
0.53 / 0.53 (98/90)
0.8 / 0.9
Munsell 3.4Y 7.7/0.8(White)
Heat exchanger
Fan(drive) o No.
Fan motor output
Airflow (Low-High)
External static pressure
H
Weight
Service Ref.
Power supply (phase, cycle, voltage)
Input
Running current (Power factor)
Starting current
kW
3
/min(CFM)
m
Pa(mmAq)
kW
dB
mm(in.)
mm(in.)
mm(in.)
mm(in.)
kg(lbs)
kW
A(%)
A
Wireless remote controller & Built-in
2
PU-4VLJSA
Single, 50Hz, 220/240V
PU-4YJSA2 PU-4YJSA3
Three, 50Hz, 380/415V
3.35 / 3.52
16.9 / 16.3 (90/90)
5.7 / 5.5 (87/85)
79 / 79
3.29 / 3.36
38 / 38
External finish
Refrigerant control
Compressor
Model
Motor output
kW
NH56VND
2.72.7
NHJ56YDA NHJ56YDE
Starter type
Protection devices
w6w7w7
Heat exchanger
OUTDOOR UNIT
Fan(drive) o No.
Fan motor output
Airflow
kW
3
/min(CFM)
m
Defrost method
Noise level w2
Dimensions
Weight
Crankcase heater
Refrigerant Charge
Pipe size O.D.
Connection method
Between the indoor &
REFRIGERANT PIPING
outdoor units
W
D
H
mm(in.)
mm(in.)
mm(in.)
kg(lbs)
kg(lbs)
Liquid
Gas
mm(in.)
mm(in.)
Indoor side
Outdoor side
Height difference
Piping length
dB
W
545555
295 (+24) (11-5/8 (add 1))
32 / 38
R-22 3.8 (8.4)
32 / 38
R-22 4.6 (10.1)
w1 Refrigerant piping length (one way) : 5m (16ft)
w2 Noise level is measured in an unacoustic room based on JIS conditions.
w3 Up to 20m it is unnecessary to charge additional refrigerant.
w4 Indoor, Outdoor D.B./W.B. : 29/19°C, 46/24°C
w5 Cooling SSA385, 386
w6 Inner thermostat, HP switch, LP switch.
w7 Thermal switch, Reversed-phase protector, HP switch, LP switch, Thermal relay.
Discharge temperature
Condensing temperature
Suction temperature
Refrigerant pipe length
Intake air
temperature
Discharge air temperature
Intake air
temperature
Total
7900
3.28
1 , 50
220
0.44
PU-3
VJC
1 , 50
220
15.1
1.99
(20.3)
0.47
(4.79)
86
51
6
5
27
19
13.0
35
24
Cooling
PK-3FLA
2
PK-3FLA3
PK-3FLA
4
PK-3FLA
5
PK-3FLA
2
PK-3FLA3
PK-3FLA
4
PK-3FLA
5
7500
3.28
1 , 50
220
0.44
PU-3
VJB
1 , 50
220
12.4
1.94
(19.8)
0.48
(4.85)
76
51.4
5
5
27
19
13.4
35
24
6900
4.19
1 , 60
220
0.44
PU-3
NJA
1
1 , 60
220
20.9
2.07
(21.1)
0.44
(4.49)
70
53
4
5
29
19
13.2
46
24
7200
3.28
1 , 50
220
0.44
PU-3
VJA
2
1 , 50
220
15.1
1.99
(20.3)
0.47
(4.79)
62
51
6
5
27
19
13.7
35
24
6900
4.19
1 , 60
220
0.44
PU-3
NJA
1
1 , 60
220
20.9
2.07
(21.1)
0.44
(4.49)
70
53
4
5
29
19
13.2
46
24
7000
2.56
1 , 50
220
0.44
PU-2.5
VJA
2
1 , 50
220
11.4
2.05
(20.9)
0.47
(4.79)
74.3
52
10.3
5
27
19
14.1
35
24
6650
3.54
1 , 60
220
0.44
PU-2.5
NJA
1
1 , 60
220
15.8
2.13
(21.7)
0.44
(4.49)
87
54
10
5
29
19
14.1
46
24
5600
2.52
1 , 50
220
0.37
PU-2
VJA
2
1 , 50
220
11.3
1.98
(20.2)
0.46
(4.69)
66
52
3
5
27
19
13.4
35
24
3900
1.49
1 , 50
220
0.32
PU-1.6
VLJA
2
1 , 50
220
6.7
1.89
(19.3)
0.5
(5.1)
84
50
9
5
27
19
15.4
35
24
4600
2.60
1 , 60
220
0.42
PU-2
NJA
1
1 , 60
220
13.6
1.96
(20.0)
0.47
(4.79)
66
52
5
5
29
19
13.5
46
24
CoolingCooling
PK-4FLSA
2
PK-4FLSA
3
PK-4FLSA
4
PK-4FLSA
2
PK-4FLSA
3
PK-4FLSA
4
9800
3.46
1 , 50
220
0.53
PU-4
YJSA
3
3 , 50
220
5.7
1.80
(18.4)
0.48
(4.89)
65
49
6
5
27
19
13.9
35
24
9900
5.08
1 , 60
220
0.53
PU-4
TJSA
3
3 , 60
220
14.0
1.93
(19.7)
0.45
(4.59)
74
52
5
5
29
19
13.2
46
24
2. STANDARD OPERATION DATA
Total Electrical circuit Refrigerant circuit Indoor side Outdoor side
The unit of pressure has been changed to Mpa on the international system of unit(SI unit system).
The converted score against the traditional unit system can be gotten according to the formula below.
Airflow
Air speed
Coverage range
Airflow
Air speed
60Hz50Hz
Coverage rangew
w The air coverage range is the value up to the position where the air speed is 0.25m/sec. when air is blown out horizontally
from the unit at the Hi notch position/
The coverage range should be used only as a general guideline since it varies according to the size of the room and furniture inside the room.
1. Since the indoor fan motor (MF) is connected with 220V power, using 230, 240V power will require a setting change of the dip switch (SW1<I.B>) on the
2. Since the outdoor side electric wiring may change be sure to check the outdoor unit electric wiring for servicing.
3. Since the indoor transformer (T) is connected with 220V power, if 230,240V power is used. Change the wiring connection showing fig * : 2.
4. Symbols used in wiring diagram above are, : Connector, : Terminal block.
5. Emergency operation
[Check items]
[Emergency operation procedure]
FAN MOTOR CAPACITOR
TIMER ADAPTOR CONNECTOR
TRANSMISSION WIRES No.1 CONNECTOR
TRANSMISSION WIRES No.2 CONNECTOR
VANE POSITION CONNECTOR
TIME SHORTENING CONNECTOR
MULTIPLE CONNECTOR
FUSE(6.3A 250V)
I.B
INDOOR CONTROLLER BOARD
FUNCTION SELECTOR JUMPER RESISTORS
JR
indoor controller board as shown is fig:
fig w1
fig w2
If remote controller of microcomputer fails but there is no other trouble, emergency operation is possible by setting dip switch (SW3<I.B>) on the indoor controller board.
(1) Compressor and fan.
(2) Check the trouble position using self diagnostic function. If the result of self diagnosis indicates protective device such as freeze protection is functioning
(1) Set the dip switch (SW3<I.B>) on the indoor controller board to • on and off for cooling.
(2) Turn on outdoor unit side circuit breaker, then indoor unit side circuit breaker in this order.
(3) During emergency operation indoor fan runs at high speed but automatic vane remains stop.
(4) Thermostat will not function.
(5) Emergency cooling should be limited to 10 hours maximum.
Indoor fan motor (MF) for 230,240V.
When power supply is
emergency operation is not possible unless the cause is removed.
Emergency operation will be continuous operation mode due to power ON/OFF (ON/OFF with remote controller is not possible).
If vane is closed open the vane by hands/
(The indoor unit heat exchanger may freeze).
NAME
w
1.
230V
220V
SYMBOL
LD1<W.B>
Ru<W.B>
SW1<I.B>
SW2<I.B>
RUN INDICATOR LED
MF
FAN MOTOR
MV
VANE MOTOR
ROOM TEMPERATURE THERMISTOR
RT1
(0%/15k",25°C/5.4k" DETECT)
PIPE TEMPERATURE THERMISTOR
RT2
(0%/15k". 25°C/5.4k" DETECT
RECEIVING UNIT
FUNCTION SWITCH
UNIT SELECTOR SWITCH
SW1SW1
ON
OFF
2 3 4 5 6 7 8
1
220V
YELLOW
230V
ORANGE
240V
RED
NAME
SYMBOL
SW3<I.B>
SW1<W.B>
X4<I.B>
ZNR
EMERGENCY OPERATION SWITCH
ON/OFF SWITCH
T
TRANSFORMER
TB2
POWER SUPPLYTERMINAL BLOCK
INDOOR/OUTDOOR CONNECTING WIRE
TB4
TERMINAL BLOCK
FAN MOTOR RELAY
VARISTOR
WIRELESS REMOTE CONTROLLER BOARD
W.B
WIRELESS REMOTE CONTROLLER
W.R
NAME
ON
OFF
2 3 4 5 6 7 8
21
3
1
20
Page 21
PK-2.5FLA2, PK-2.5FLA3, PK-2.5FLA
X4
SW1
OFF
ON
12345678
OFF
ON
12345678
PK-4FLSA
PK-2.5FLA
PK-3FLA
MODELS
REMOTE
CONTROLLER
65432
RT2
2
SW1
CN27
D.U.M
1
JR
N
GRN/YLW
L
I.B
TO OUTDOOR UNIT
CONNECTING WIRES
DC12V
1
T
X4
ZNR
F2F1
C
MF
MV
CNB
LD1
Ru
SW1
54321
1
1
6
7
1
1
43
2
35
3
211133
FAN1
POWER
OUTDOOR
TIMER
WIRELESS
TRANS
VANE
L.TEST
CN2A
TWIN-1
CN2B
TWIN-2
TRANS
CND
CN30
CN2
CN70
CN6V
CN4T
CN28
CNT
DRAIN
CN50
INTAKE
CN20
PIPE
CN21
CN51
MULTIPLE
1122
SW2
SW3
ON
ON
OFF
OFF
123
1234567812345
RT1
7
W.R
TB4
6
W.B
TB2
ORN
YLW
BRN
BRN
RED
RED
240V
14.5VAC
10.6VAC
230V
220V
BLU
YLW
WHT
RED
BLK
WHT
RED
POWER SUPPLY
~(1 PHASE)
AC220-240V 50Hz
AC220V 60Hz
FAN MOTOR CAPACITOR
TIMER ADAPTOR CONNECTOR
TRANSMISSION WIRES No.1 CONNECTOR
TRANSMISSION WIRES No.2 CONNECTOR
DRAIN LEFT-UP MECHANISM
VANE POSITION CONNECTOR
TIME SHORTENING CONNECTOR
MULTIPLE CONNECTOR
FUSE(6.3A 250V)
I.B
INDOOR CONTROLLER BOARD
FUNCTION SELECTOR JUMPER RESISTORS
JR
NOTES:
1. Since the indoor fan motor (MF) is connected with 220V power, using 230, 240V power will require a setting change of the dip switch (SW1<I.B>) on the
indoor controller board as shown is fig:
2. Since the outdoor side electric wiring may change be sure to check the outdoor unit electric wiring for servicing.
3. Since the indoor transformer (T) is connected with 220V power, if 230,240V power is used. Change the wiring connection showing fig * : 2.
4. Symbols used in wiring diagram above are, : Connector, : Terminal block.
5. Emergency operation
[Check items]
[Emergency operation procedure]
fig w1
Indoor fan motor (MF) for 230,240V.
fig w2
When power supply is
If remote controller of microcomputer fails but there is no other trouble, emergency operation is possible by setting dip switch (SW3<I.B>) on the indoor controller board.
(1) Compressor and fan.
(2) Check the trouble position using self diagnostic function. If the result of self diagnosis indicates protective device such as freeze protection is functioning
emergency operation is not possible unless the cause is removed.
Emergency operation will be continuous operation mode due to power ON/OFF (ON/OFF with remote controller is not possible).
(1) Set the dip switch (SW3<I.B>) on the indoor controller board to • on and off for cooling.
(2) Turn on outdoor unit side circuit breaker, then indoor unit side circuit breaker in this order.
(3) During emergency operation indoor fan runs at high speed but automatic vane remains stop.
(4) Thermostat will not function.
(5) Emergency cooling should be limited to 10 hours maximum.
(The indoor unit heat exchanger may freeze).
NAME
230V
220V
w
1.
SYMBOL
MF
MV
RT1
RT2
Ru<W.B>
SW1<I.B>
SW2<I.B>
SW3<I.B>
T
ON
OFF
1
220V
230V
240V
FAN MOTOR
VANE MOTOR
ROOM TEMPERATURE THERMISTOR
(0%/15k",25°C/5.4k" DETECT)
PIPE TEMPERATURE THERMISTOR
(0%/15k". 25%/5.4k" DETECT
RECEIVING UNIT
FUNCTION SWITCH
UNIT SELECTOR SWITCH
EMERGENCY OPERATION SWITCH
TRANSFORMER
SW1SW1
2
3 4 5 6 7 8
YELLOW
ORANGE
RED
NAME
21
3
ON
OFF
2
3 4 5 6 7 8
1
SYMBOL
X4<I.B>
SW1<W.B>
LD1<W.B>
TB2
POWER SUPPLYTERMINAL BLOCK
INDOOR/OUTDOOR CONNECTING WIRE
TB4
TERMINAL BLOCK
FAN MOTOR RELAY
VARISTOR
ZNR
ON/OFF SWITCH
RUN INDICATOR LED
WIRELESS REMOTE CONTROLLER BOARD
Note1. The unit starts operation by pressing the ON/OFF switch when unit is OFF.
During operation, the unit stops operation by pressing the ON/OFF switch.
In addition, operation can be turned ON/OFF with the centralized remote controller or the remote switch.
Note2. The factors which cause “abnormal operation mode” are as follows.
● Outdoor unit abnormal operation.
● Fault of room temperature thermistor(RT1).
● Fault of indoor coil thermistor(RT2).
● Indoor coil frost protection mode.
● Fault of drain sensor(DS).
● Drain water overflow prevention mode.
Note3. The indoor fan runs on the low speed for 1 minute to eliminate remaining heat.
Refer to page 30 for abnormal operation, mode details.
Note4. The compressor will not start for 3 minutes after the stop.
Note5. The thermostat is continuously ON during the test run.
Note6. Refer to page 31 for coil frost protection.
Note7. Range A: Indoor coil temperature is more than 5 degrees above room temperature.
Range B : Indoor coil temperature is within 5 degrees either way of room temperature.
Range C : Indoor coil temperature is more than 5 degrees below room temperature.
24
Page 25
2. COOL operation
COOL operation
YES
YES
NO
<Note 7>
<Note 8>
NO
3 min. delay
NO
6-minute
time delay
NO
Compressor start
3 minutes elapse
Coil frost
protection
NO
Range C
Compressor
start 10 minutes
elapse
Allowance release
Coil frost
prevention
YES
NO
Allowance
YES
NO
6-minute time delay
Allowance set
Indoor coil
temperature
10°C or bellow
NONO
YESYES
Continue
1 minute
Coil frost
protection
check mode
<Note 6>
Compressor
themostat ON
NO
Allowance release
YES
NO
Compressor ON
Compressor ON
NO
Compressor
start 16 minutes
elapse
YES
Indoor coil
temperature
1°C or below
NO
1
3-minute time delay
Coil frost
prevention release
Coil frost
prevention set
Compressor OFF
Fan speed LOW
NO
Fan speed LOW
5 minutes elapse
YES
Outdoor unit abnormality
check mode
25
Page 26
3. DRY operation
Dry operation
Room temperature
18°C or below
Compressor ON
Compressor ON
3 min. elapse
Compressor
thermostat ON
Compressor ON
time completed
Compressor OFF
10-minute timer start
Compressor OFF
Fan stop
Compressor ON
3 min. delay
YES
YES
YES
YES
YES
YES
YES
YES
<Note 10><Note 10>
<Note 6>
<Note 6>
<Note 9>
<Note 8>
YES
NO
NO
NO
NO
NO
NO
NO
Compressor
thermostat ON
Compressor OFF
10 minutes completed
Compressor ON
time set
Compressor ON
Fan speed LOW
1
Note8. When room temperature is 18°C or below, the compressor can not turn ON. When the room temperature rises to 18°C or
above, the compressor will start operation after a 3-minute time delay.
Note9. Refer to page 30 for the compressor operation time.
Note10. In DRY operation, the indoor fan runs on the low speed during the compressor ON and stops during the compressor OFF.
26
Page 27
MICROPROCESSOR CONTROL10
TEMP
ON / OFF
NOT AVAILABLE
AM
PM
AM
PM
˚C
1. OUTLINE OF MICROPROCESSOR CONTROL
INPUT to remote controllerOUTPUT to remote controller
● Receives orders from remote controller and temperature
data from indoor unit.
● Processes orders and data.
● Controls indoor and outdoor operation.
● Self diagnostic function
w System control operation.<Optional>
w Emergency operation
Non-polar, two (2) - core cable
Outdoor unit
12VDC
OUTPUT UNIT
● Compressor protection device working.
OUTPUT from outdoor unit
● Compressor motor and outdoor fan motor : ON-OFF.
● Receives orders from
indoor controller.
● Emergency stop.
27
Page 28
2. INDOOR UNIT CONTROL
Thermostat
Operation starts by
POWER button
ON.
ON
OFF
Indoor fan
ON
OFF
Auto vane
ON
OFF
Compressor
ON
OFF
w1 Even if the room temperature rises above the set temperature during this period, the compressor will not start until this period has ended.
LOW or HIGH
CLOSECLOSE
LOW or HIGH
Depends on remote controller setting
MIN. 3 minutes w1
Room temperature
becomes equal to
set temperature.
Room temperature
rises above set
temperature.
Operation stops by
POWER button
OFF.
TEMP
ON / OFF
NOT AVAILABLE
AM
PM
AM
PM
˚C
/
/
/
/
2-1COOL operation
<How to operate>
1 Press
[ ON/OFF button.
2 Press MODE button to set operation mode to COOL.
3 Set desired temperature with or button.
button.
NOTE: 1. Set temperature changes by 1 °C in the range 19-30 °C
each TEMPor button is pressed.
2. Set temperature is displayed on the LCD.
PK-1.6FLA3
PK-2FLA3
PK-2.5FLA2/3
PK-2.5FLA4
PK-3FLA5
PK-4FLSA4
PK-3FLA2/3/4
PK-4FLSA2/3
<COOL operation time chart>
(1)Compressor control
1 3-minute time delay
2 The compressor runs when the room temperature is higher than the set temperature.
To prevent overload, the compressor will not start within 3 minutes after stop.
The compressor stops when the room temperature is equal to or lower than the set temperature.
3 The compressor stops in check mode or during protective functions.
4 Coil frost prevention
To prevent indoor coil frost, the compressor will stop when the indoor coil thermistor (RT2) reads 1°C or below after the
compressor has been continuously operated for 16 minutes or more. The coil frost prevention is released under any of the
following conditions.
● The indoor coil thermistor rises to 10°C or above.
● The room temperature becomes equal to or lower than the set temperature.
● COOL mode is stopped or changed to another mode.
NOTE : By cutting the jumper wire JR02 on the indoor controller board, the temperature to start coil frost prevention
changes from 1°C to - 3°C
28
Page 29
5 Coil frost protection
Automatic
swing
(PK-2.5/3/4)
10°
30°
60° (PK-2.5/3/4)
50° (PK-1.6/2)
70° (PK-2.5/3/4)
60° (PK-1.6/2)
When the indoor coil temperature becomes - 15°C or below, coil frost protection will proceed as follows.
<Start condition>
After the compressor has been continuously operated for 3 minutes or more, and the indoor coil temperature has been 15°C or below for 3 minutes, the coil frost protection will start.
<Coil frost protection>
Compressor stops for 6 minutes, and then restarts.
If the start condition is satisfied again during the first 10 minutes of compressor operation, both the indoor and outdoor units
stop, and the remote controller displays this occurrence.
<Termination conditions>
Coil frost protection released when the start condition is not satisfied again during the allowance, or when the COOL mode
stops changes another mode.
(2)Indoor fan control
Indoor fan speed depends on the remote controller setting.
However, if an outdoor unit abnormality is detected, the indoor fan speed will be LOW, regardless of the remote controller
setting.
(3)Auto vane control
Auto vane position depends on the remote controller setting.
(4)Detecting abnormalities in the outdoor unit
After the compressor has been continuously operated for 3 minutes, if the difference between the indoor coil temperature
and the room temperature is out of RANGE C for 1 minute, the indoor fan speed will turn to LOW. Five minutes later, if the
difference is still out of RANGE C, the outdoor unit is functioning abnormally. Thus, the compressor will stop and the remote
controller will display this occurrence.
RANGE A : Indoor coil temperature is more than 5 degrees above room temperature.
RANGE B : Indoor coil temperature is within 5 degrees either way of room temperature.
RANGE C : Indoor coil temperature is more than 5 degrees below room temperature.
(5)AUTO VANE CONTROL
11
Frequency judgement
When the unit operates for the first time after the circuit breaker turned to ON, the frequency, 50Hz or 60Hz, is judged by
the horizontality sensing switch. If The frequency cannot be judged immediately for some reason, the sensing operation
continues for 3 minutes with the vane motor at ON.
If the frequency cannot be judged yet after 3-minute sensing, the vane motor turns to OFF. But the AIR DISCHARGE
DIRECTION display continues to be indicated.
22
During cooling operation
When the cooling operation starts, the vane is automatically set to the horizontal However, the desired direction among four
below-listed can be selected with the vane button on the remote controller.
NOTE : 30° is available only when the fan speed is HIGH.
<AUTO RETURN>
When discharge 50°, 60° or 70° continues for 1 hour with the fan speed at LOW, the
discharge direction turns to the horizontal discharge automatically.
NOTE1 : After that, 50°, 60° or 70° is available by setting with the remote controller,
and it continues for 1 hour.
NOTE2 : If the discharge direction changes from 50°, 60° or 70° , the direction
returns to the horizontal discharge when 1 hour has passed since the discharge 60°
started.
NOTE3 : If the discharge direction changes from 50° or 60° (or 70° ) to the horizontal
discharge, the 1-hour timer to return the horizontal discharge is cancelled.
33
During the operation OFF, the auto vane is in the airflow shut-off position.
44
When the vane motor is out of order or the connector is badly connected, the
remote controller display of the remote controller does not change.
29
Page 30
2-2 DRY operation
Thermostat
Operation starts by
POWER button
ON.
ON
OFF
Indoor fan
ON
OFF
Auto vane
ON
OFF
Compressor
ON
OFF
w2 Even if the room temperature rises above the set temperature during this period, the compressor will not start until this period has ended.
LOW speed
CLOSECLOSE
LOW speed
Depends on remote controller setting
MIN. 3 minutes w2
Room temperature
becomes equal to
set temperature.
Room temperature
rises above set
temperature.
Operation stops by
POWER button
OFF.
/
/
/
/
TEMP
ON / OFF
NOT AVAILABLE
AM
PM
AM
PM
˚C
<How to operate>
1 Press [ ON/OFF button.
2 Press MODE button to set operation mode to DRY.
3 Set desired temperature with or button.
NOTE: 1. Set temperature changes by 1 °C in the range 19-30 °C
each TEMPor button is pressed.
2. Set temperature is displayed on the LCD.
PK-1.6FLA3
PK-2FLA3
PK-2.5FLA2/3
PK-3FLA2/3/4
PK-2.5FLA4
PK-3FLA5
PK-4FLSA4
PK-4FLSA2/3
(1)Compressor control
1 3-minute time delay
To prevent overload, the compressor will not start within 3 minutes after stop.
2 The compressor runs when the room temperature is higher than the set temperature.
The compressor stops when the room temperature is equal to or lower than the set temperature.
3 The compressor stops in check mode or during protective functions.
4 The compressor will not start when the room temperature is below 18 °C. The compressor starts intermittent operation
when the power is turned ON with room temperature above 18 °C. The compressor ON/OFF time depends on the thermostat ON/OFF and the room temperature as follows.
After 3-minute compressor operation,
● If the room temperature thermistor reads above 28 °C with thermostat ON, the compressor will operate will operate for 6
more minutes and then stop for 3 minutes.
● If the room temperature thermistor reads 26 °C ~ 28 °C with thermostat 0N, the compressor will operate for 4 more minutes and then stop for 3 minutes.
● If the room temperature thermistor reads 24 °C ~ 26 °C with thermostat ON, the compressor will operate for 2 more minutes and then stop for 3 minutes.
● If the room temperature thermistor reads below 24 °C with thermostat ON, the compressor will stop for 3 minutes.
●If the thermostat is OFF, regardless of room temperature, the compressor will stop for 10 minutes.
5 Coil frost protection
Coil frost protection in DRY operation is the same as in COOL operation.
6 Coil frost prevention
Coil frost prevention does not operate in DRY operation.
30
Page 31
(2) Indoor fan control
ON/OFF TEMP
FAN
VANE
TEST RUN
AUTO STOP
AUTO START
h
min
LOUVER
MODE
CHECK
RESETSETCLOCK
MODEL SELECT
NOT AVAILABLE
CHECK
TEST RUN
˚C
AMPM
AMPM
ON / OFF
NOT AVAILABLE
AM
PM
AM
PM
˚C
MODE
FAN
VANE STOP
START
CLOCK
HRMIN.
ON/OFF TEMP
FAN
VANE
TEST RUN
AUTO STOP
AUTO START
h
min
LOUVER
MODE
CHECK
RESETSETCLOCK
MODEL SELECT
NOT AVAILABLE
CHECK
TEST RUN
˚C
AMPM
AMPM
ON / OFF
NOT AVAILABLE
AM
PM
AM
PM
˚C
MODE
FAN
VANE STOP
START
CLOCK
HRMIN.
h
HR
/
min
MIN.
/
STOP
/
AUTO STOP
/
START
AUTO START
The indoor fan runs on LOW speed during compressor operation. The fan speed cannot be changed with the remote controller.
Also, the indoor fan does not run during compressor OFF.
(3)Auto vane control
Same as in COOL operation.
(4)Detecting abnormalities in the outdoor unit
An abnormality in the outdoor unit can not be detected in DRY operation.
2-3 FAN operation
<How to operate>
1 Press POWER ON/OFF button.
2 Press MODE button to set operation mode to Fan .
(1) Indoor fan control
The indoor fan speed depends on the remote controller setting.
(2) Auto vane control
The auto vane position depends on the remote controller setting.
Measure an impedance between the power supply terminal block and ground with a 500V
Megger and check that it is equal to or greater than 1.0M".
(1) Turn on the main power of unit.
(2) Turn the adjusting switch on the back of the
wireless remote controller to “SET”
CHECK and TEST RUN will
start flashing.
Wireless remote controller with backside battery
cover removed Display will start finishing.
★(3) Push the MIN button TEST RUN and
the operating mode will be displayed (Refer
to the illustrated sample display at left)
★(4) Push the MODE button, change the
mode to “FAN” and make sure that there
will be blowout of air.
★(5) Push the MODE button, change the mode
to COOLand make sure that there will be
blowout of cool air.
PK-2.5FLA4
PK-3FLA5
PK-4FLSA4
★(6) Push the FAN button and make sure that
there will be strong (or weak) blowout of air.
For operations marked "★", point the transmitter to the
wireless receiver, and make sure that you will hear a
short beep from the receiver.
★(7) Push the VANE button and verify the
operation of the auto vane.
★(8) Push the POWER ON/OFF button and
cancel the test run.
(9) After completing a test run, be sure to
turn the adjusting switch back to “Nrm”.
● The test run automatically stops in 2 hours.
● Set temperature is not displayed during test run.
Test run
Measure an impedance between the power supply terminal block and ground
with a 500V Megger and check that it is equal to or greater than 1.0M".
1 Turn on the main power to the unit.
2 Press the button twice continuously.
(Start this operation from the status of remote controller display turned off.)
Aand current operation mode are displayed.
3 Press the ( ) button to activate mode, then check
whether cool air is blown out from the unit.
4 Press the button and check whether strong air is blown out from the
unit.
5 Press the button and check whether the auto vane operates properly.
6 Press the ON/OFF button to stop the test run.
Note:
• Point the remote controller towards the indoor unit receiver while following steps 22to 66.
• It is not possible to run the in FAN, DRY mode.
32
Page 33
2-6 Emergency operation
When the remote controller or microprocessor malfunctions and no other trouble exists, emergency operation is available
by setting the dip switch on the controller board.
[Check items]
(1) Make sure the compressor and the fans are running normally.
(2) Locate the trouble with the self-diagnostic function.
If the self-diagnostic function indicates that the protection
device (such as coil frost protection) is functioning, the sources
must be removed before attempting emergency operation.
Emergency operation ON/OFF is activated not with the remote
controller but with the circuit breaker.
[Emergency operation produce]
(1)Cooling operation is available by setting the dip switch SW3
1and 2 ON and 3 OFF on the indoor controller board.
(2)To start emergency operation, turn the outdoor side circuit
breaker ON first, and then the indoor side circuit breaker ON.
(3)During emergency operation, the indooor fan runs on HIGH
speed, the compressor runs continuously, and the louver
ON
OFF
COOLING
SW3
123
SW3 INDOOR CONTROLLER BOARD
stops.
(4)Thermostat will not function.
(5)Do not use emergency cooling operation for more than 10
hours, as the indoor coil may freeze.
2-7 Function of jumper wire and dip switch on indoor controller board
1. Jumper wire
1 JR01:Jumper wire for the auto vanes
Cut JR01 for the unit WITHOUT auto vanes.
2 JR02:Jumper wire for the temperature to start coil frost prevention
Cutting JR02 changes the temperature from +1°C to -3°C.
3 JR03:Jumper wire for set temperature adjustment in HEAT mode
In HEAT operation, heated air stagnates in the upper part of the room. The indoor unit installed in the upper part of
the room will detect the air temperature higher than the actual temperature in the living space. This difference is
about 4 degrees. Therefore, the temperature detected by the room temperature thermistor should be corrected 4
degrees down. The unit with JR04 attached will make this adjustment.
4 JR04:Jumper wire for the indoor fan speed during thermostat OFF in HEAT mode
Cutting JR04 Changes the speed from Extra-Low to Low.
5 JR05:Jumper wire for detecting abnormalities in the outdoor unit
Cutting JR05 makes this detection unavailable. (Occurrence of abnormality can not be detected.)
6 JR06:Jumper wire for auto restart function
Cutting JR06 makes the auto restart function available.
2.Dip switch
1 SW1 (Function switch)
ON
OFF
123
4567 8
SW1-1) Switch for power supply
ON:220V
OFF:230V, 240V
SW1-2) Switch for single or twin control
ON:Twin control
OFF:Single control
SW1-3) Switch for unit number in twin control (This switch is valid when SW1-2 is ON.)
ON:Unit No.2
OFF:Unit No.1
33
Page 34
SW1-4 ~ SW1-6) Switch for capacity of each model
PK-1.6
PK-2.5
PK-3
ON
OFF
456
SW1-7 ~ SW1-8) Switch for the pair number of wireless remote controller
0
ON
OFF
78
The pair number setting of the wireless remote controller is needed.
(Refer to the next page for the details.)
2 SW2 (Unit switch)
ON
OFF
12345
SW2-1) Switch for air conditioner with or without electric heater
ON:Unit with electric heater
OFF:Unit without electric heater
SW2-2) Switch for air conditioner with or without heat pump
ON:Unit with heat pump
OFF:Unit without heat pump
SW2-3, SW2-4, SW2-5) Switch for function code
ON:Unit with electric heater
OFF:Unit without electric heater
PK-2PK-4
ON
OFF
456
1
ON
OFF
78
ON
OFF
456
2
ON
OFF
78
3
ON
OFF
78
PK-1.6
PK-2
ON
OFF
345
3 SW3 (Emergency operation switch)
Normal operationFor emergency cooling
3
12
ON
OFF
12
ON
OFF
PK-2.5
PK-3
PK-4
ON
OFF
345
3
34
Page 35
2-8 Wireless remote controller pair number setting operation
Switches are located on the indoor unit PC board and inside the remote
controller as shown.
• Setting the SW1 (PC board inside indoor unit)
Sub-switches 7 or 8 of SW1 can be used as follows to assign a pair No.
• The pair No. SW of the remote controller has been set to ‹‹0›› at the time of
ship-ment.
Note:
Make sure that the pair No. AAof the remote controller matches that of
the indoor unit PC board.
PK-2.5FLA4
PK-3FLA5
PK-4FLSA4
1 Turn on the main power to the unit.
2 Press the SET button with the point of a ball-point pen or the like.
Start this operation from the status of remote controller display turned off.
blinks and Model No. is lighted.
3 Press the button twice continuously.
A Pair No. “0” blinks.
4 Press the temp button to set the pair number you want to set.
5 Press the SET button with the point of a ball-point pen or the like.
Set pair number is lighted for three seconds then turned off.
35
Page 36
11
TROUBLESHOOTING
1. Self-diagnostic function
[for PK-1.6FLA3, PK-2FLA3, PK-2.5FLD2/3, PK-3FLD2/3/4, PK-4FLSD2/3 ]
(1) Turn on the main power of the unit.
(2) Set the adjusting switch on the back of
the wireless remote controller to “Set”
CHECK and TEST RUN will start lighting.
★(3) Push the HR button, CHECK will start
blinking.
★(4) Send the signal from the remote controller
to the unit with pressing HR button.
If the buzzer sound is heard and the
ON/OFF lamp (unit display) blinks, refer to
following table.
The number of
Buzzer sound
ON/OFF lamp
(Unit display) blinking
1 second
(0.5 second interval)
Beep
This corresponds
to the number of
buzzer sound
The number of
ON/OFF lamp
(Unit display) blinking
Irregular point
and buzzer sound
1
2
4
5
6
8
9
Irregular intake sensor
Irregular piping sensor
Irregular drain sensor
Irregular drain pump
Freezing protected
Irregular outdoor unit
NO irregular
(Refer to next page in detail)
★(5) Push the POWER ON/OFF button and
cancel the test run.
(6) After completing a test run, be sure to
turn the adjusting switch back to “Nrm”.
NOT AVAILABLE
ON / OFF
MODE
FAN
VANE STOP
HRMIN.
Remove the battery cover on the back side of the
wireless remote controller, display will start flashing
when the “Set” switch is turned on.
For operations marked “★”, point the transmitter to
the wireless receiver, and make sure that you will
hear a short beep from the receiver.
Turn the adjusting switch to "SET"
˚C
AM
PM
AM
PM
CLOCK
START
After refiling batteries.
Press the reset button.
Nrm Set
Display will start flashing
ON / OFF
Reset
3
2
4
1
5
0
6
9
7
8
For operations marked "★", point the transmitter to the wireless
receiver, and make sure that you will hear a short beep from the
receiver.
36
Page 37
1. Self-diagnostic function
CHECK
h
ON/OFF
Check Code
1
2
3
4
5
6
7
8
9
Suction sensor alarm
Plpe sensor alarm
Transmission alarm
Drain sensor alarm
Drain pump alarm
Anti-freezing on
Anti-overheat on
System error
Outdoor unit alarm
No alarm (no error)
Single beep ✕ 1
Single beep ✕ 2
Single beep ✕ 3
Single beep ✕ 4
Single beep ✕ 5
Single beep ✕ 6
Single beep ✕ 6
Single beep ✕ 7
Single beep ✕ 8
Receiving signal only
(no error alarm)
AlarmBuzzer sound
[for PK-2.5FLA4, PK-3FLA5, PK-4FLSA4]
1 Turn on the main power to the unit.
2 Press the button twice continuously.
• begins to light and refrigerant address display “00” begins to blink.
• Start this operation from the status of remote controller display turned off
3 While pointing the remote controller toward the unit’s receiver, press the
button
• If the buzzer sound is heard and the ON/OFF lamp (unit display) blinks,
refer to following table.
4 While pointing the remote controller toward the unit’s receiver, press the
ON/OFF button.
• Self-check mode is cancelled.
4
ON/OFF
TEMP
FAN
AUTO STOP
2. OTHER TROUBLES AND CAUSES
Auto vanes do not work.
Auto vane motor does not work.
Connector is poorly connected.
Auto vane motor is poorly assembled.
Indoor controller board is damaged.
VANE
LOUVER
RESET
CLOCK
AUTO START
2
MODE
CHECK
TEST RUN
SET
Auto vane motor is damaged.
Auto vane motor relay is damaged.
h
3
min
Power ON/OFF button
is not available.
Indoor/outdoor connecting wire is connected
incorrectly.
Indoor/outdoor connecting wire shorts.
Compressor protector is damaged.
Outdoor controller board is defective.
Remote controller is damaged.
Transmission wire is poorly connected
Transmission wire is damaged.
Connector is poorly connected.
37
Page 38
3. How to check the parts
0
10
20
30
40
50
-20 -10 0 10 20 30 40 50
< Thermistor for lower temperature >
Temperature (:)
Resistance (K")
PK-1.6FLA3, PK-2FLA3, PK-2.5FLA
2/3/4
, PK-3FLA
Parts nameCheck points
Room temperature
thermistor (RT1)
Pipe temperature
thermistor (RT2)
Disconnect the connector, then measure the resistance using a tester.
(Surrounding temperature 10°C~30°C)
Normal
4.3k'~9.6k'
Abnormal
Open or short
2/3/4/5
, PK-4FLSA
2/3/4
Transformer
CNTTCN4T
WHT
1
2
3
YLW
BRN
RED
Fan motor
Relay connector
1
White
3
5
Protector
Vane motor
Orange
4
Red
5
Pink
2
Yellow
Connector
3 6 1
Red
Black
1
2
3
4
M
Blue
Brown
Disconnect the connector and measure the resistance using a tester.
CNT(1)-(3)
CN4T(1)-(2)
CN4T(3)-(4)
Normal
WHT. Approx. 135'
BRN. Approx. 0.5~2.0'
RED. Approx. 1.0~2.0'
Abnormal
Open or short
Measure the resistance between the terminals using a tester.
Motor terminal
Relay connector
1
3
5
Red-White
White-Black
Thermal protector
or
1.6FLA3, 2FLA3
114.5'i10%
118.2'i10%
OFF : 125i5˚C
ON : 125i5˚C
Normal
PK-
2.5FLD
2/3/4
99.5'i10%
103.5'i10%
, 3FLD
2/3/4/5
OFF : 130i5˚C
ON : 80i20˚C
4FLSA2/3/4
62.6'i10%
74.0'i10%
Abnormal
Open or short
Measure the resistance between the terminals using a tester. (Surrounding temperature 20°C~30°C)
Normal
PKPK-
1.6FLA3
2FLA3
PK-2.5FLD
PK-
4FLSA2/3/4
2/3/4
, PK-3FLD
2/3/4/5
,
Abnormal
Brown-Yellow
Brown-Blue
Red-Orange
15k'
186~214'
Open or short
Red-Pink
<Thermistor Characteristic graph>
Thermistor for
lower temperature
Thermistor R0=15k' ±3%
Room temperature thermistor(RT1)
Pipe temperature thermistor(RT2)
1. Removing the lower side of the indoor unit from the installation plate
(1) Remove the 2 screws.
Hang the indoor unit hangers to the catches on the installation plate.
2. Removing the right side panel
(1) Remove the 2 screws of the right side panel:one on the
bottom and the other on the upper right-hand side.
(2) Disconnect the connector from the adapter case.
(3) Sliding the right side panel to the right, pull it out toward
you.
2/3/4/5
, PK-4FLSA
Figure 1
Figure 2
2/3/4
3. Removing the indoor controller board
(1) Remove the right side panel.
(2) Remove the screw of the electrical parts box cover, and
remove the cover.
(3) Disconnect the connectors on the indoor controller board.
(4) To unhook the catches on the right-hand side of the indoor
controller board, pull the left-hand side toward you and lift
up the cover to the right. Then the indoor controller board
can be removed.
4. Removing the electrical parts box
(1) Remove the right side panel.
(2) Remove the screw of the electrical parts box cover, and
remove the cover.
(3) Remove the room temperature thermistor and the indoor
coil thermistor.
(4) Disconnect the vane motor connector on the indoor con-
troller board.
(5) Remove the 2 screws of the electrical parts box.
(6) Disconnect the connector of the heater lead wire connec-
tor.
(7) Disconnect the connector of the fan motor lead wire.
(8) Remove the electrical parts box.
Photo 1
Photo 2
Indoor controller
board
Room temperature thermistor
Indoor coil thermistor
Electrical parts
box cover
Catches
Screws
Electrical parts
box
39
Page 40
OPERATING PROCEDUREPHOTOS&ILLUSTRATION
Catch on the left side panel
Catch on
the unit
(9) Remove the screws of the indoor controller board case,
and pull out the indoor controller board case.
Then the transformer and the capacitor and relay can be
serviced.
5. Removing the vane motor
(1) Remove the right side panel.
(2) Remove the screw of the electrical parts box cover, and
remove the cover.
(3) Remove the 2 screws of the vane motor, and remove the
motor from the shaft.
(4) Disconnect the vane motor connector on the indoor con-
troller board.
Photo 3
Capacitor
Indoor controller
board case
Photo 4
Relay
Transformer
Electrical parts box
Screws
6 Removing the intake grills
(1) Remove the right side panel.
(2) To remove the left side panel, remove the screw on the
bottom and the screw on the upper left-hand side. (See
Figure 3.)
1. Press up this side of the left side panel to unhook the
catch on the panel from the catch on the unit.
2. Slide the left side panel to the left to remove the panel.
Note: Fix the unit to the metal fixture securely
(3) Remove the air filters.
(4) Hold and press the centre cover to remove.
(5) Remove the screws of the grills.
(6) Pull the lower side of the grill toward you and slide the
upper to the right to remove the grills.
7. Removing the drain pan
(1) Remove the left and right side panels.
(2) Remove the grills.
(3) Remove the electrical parts box cover.
(4) Loosen the drain hose band to remove.
(5) Remove the 3 screws of the drain pan, and slide the drain
pan toward you to remove.
Vane motor
Figure 3
Photo 5
Left side panel
Photo 6
Indoor controller board
Slide to the
right
Screws for grills
Drain pan
Screws
Grills
Drain hose
band
Drain hose
40
Page 41
OPERATING PROCEDUREPHOTOS
8. Removing the lineflow fan and the fan motor
(1) Remove the left and right side panels.
(2) Remove the grills.
(3) Remove the electrical parts box.
(4) Remove the drain pan.
(5) Loosen the screw that fixes the lineflow fan to the fan
motor. (See Photo 7. )
(6) Remove the 4 screws of the motor fixture, and remove the
fan motor and the motor fixture at a time (See Photo 8.)
(7) Remove the screws of the left and right motor supports,
and remove the motor supports and the fan motor. (See
Photo 9.)
(8) Remove the screw of the centre support, and remove the
support. (See Photo 10. )
(9) Remove the 2 screws on the left and right sides of the heat
exchanger, and pull the bearing support toward you. (See
Photo 11.)
(10) Pull the left-hand side of the heat exchanger toward you,
and remove the lineflow fan.
Photo 7
Photo 8
Lineflow fan
Screw
Fan motor
Screw
Fan motor
Motor fixture
Heat exchanger
Bearing support
Lineflow fan
Photo 9Photo 11
Screw
Motor support
Photo 10
Centre support
Fan motor
Lineflow fan
Screw
Screw
Motor
support
41
Page 42
13
No.
Part No.
Part name
Specification
Unit
Amount
Remarks.
(Drawing No.)
Wiring
Diagram
Symbol
Recom-
mended
Q'ty
Q'ty/set
PK-1.6,PK-2
Price
1
2
3
4
5
6
7
8
9
10
11
12
FRONT PANEL
FRONT PANEL
SCREW CAP
CATCH HOLDER
FILTER CATCH
AIR FILTER
AIR FILTER
SERVICE PANEL
WIRELESS ADAPTER
PANEL CATCH
UNDER COVER
CORNER COVER
BOX ASSEMBLY
BACK PLATE
Part number that is circled is not shown in the figure.
No.
Part No.
1
R01 12G 662
R01 12G 812
2
R01 E01 812
R01 12G 811
3
R01 E00 811
4
R01 A17 500
5
T7W 570 317
6
R01 12G 661
7
R01 12G 691
8
R01 12G 808
9
R01 E01 641
10
11
R01 12G 523
12
R01 24K 658
—
—
Part name
LEFT SIDE PANEL
UNDER PLATE
UNDER PLATE
NOSE
NOSE
AIR FILTER
WIRELESS ADAPTER
RIGHT SIDE PANEL
INTAKE GRILLE
BACK PLATE
TOP PLATE
BOX ASSEMBLY
BOX ASSEMBLY
DRAIN SOCKET
RECEIVER
Specification
Q'ty/set
PK-2.5
FLA
FLA1
FLA2
1
1
1
4
1
1
2
1
1
1
1
1
PK-2.5
FLA3
FLA4
1
1
1
4
1
1
2
1
1
1
1
1
5
Remarks.
(Drawing No.)
(BG00A593G89)
(RG00A734G61)
Wiring
Diagram
Symbol
W.B
Recom-
mended
Q'ty
Unit
Price
Amount
43
Page 44
No.
Part No.
Part name
Specification
Unit
Amount
Remarks.
(Drawing No.)
Wiring
Diagram
Symbol
Recommended
Q'ty
Q'ty/set
Price
1
2
3
4
5
6
7
8
9
10
11
12
LEFT SIDE PANEL
UNDER PLATE
UNDER PLATE
NOSE
NOSE
AIR FILTER
WIRELESS ADAPTER
RIGHT SIDE PANEL
INTAKE GRILLE
BACK PLATE
TOP PLATE
BOX ASSEMBLY
BOX ASSEMBLY
DRAIN SOCKET
RECEIVER
Part number that is circled is not shown in the figure.
5
7
12
6
44
Page 45
STRUCTURAL PARTS
PK-4FLSA, PK-4FLSA
1
1
, PK-4FLSA2, PK-4FLSA3, PK-4FLSA
910
4
8
2
3
4
Part number that is circled is not shown in the figure.
No.
Part No.
1
R01 12G 662
R01 16G 812
2
R01 E00 812
R01 16G 811
3
R01 E01 811
4
R01 A17 500
5
T7W 570 317
6
R01 12G 661
7
R01 12G 691
8
R01 16G 808
9
R01 E00 641
10
11
R01 12G 523
12
R01 24K 658
13
R01 16G 692
—
—
Part name
LEFT SIDE PANEL
UNDER PLATE
UNDER PLATE
NOSE
NOSE
AIR FILTER
WIRELESS ADAPTER
RIGHT SIDE PANEL
INTAKE GRILLE
BACK PLATE
TOP PLATE
BOX ASSEMBLY
BOX ASSEMBLY
DRAIN SOCKET
RECEIVER
INTAKE GRILLE
Specification
Q'ty/set
PK-4
FLSA
FLSA1
FLSA2
1
1
1
5
1
1
2
1
1
1
1
1
1
PK-4
FLSA3
FLSA4
1
1
1
5
1
1
2
1
1
1
1
1
1
7
5
Remarks.
(Drawing No.)
(BG00A593G89)
(RG00A734G62)
Wiring
Diagram
Symbol
W.B
12
Recom-
mended
Q'ty
Unit
6
Price
Amount
45
Page 46
ELECTRICAL PARTS
1
PK-1.6FLA, PK-1.6FLA
, PK-1.6FLA2, PK-1.6FLA
PK-2FLA, PK-2FLA1, PK-2FLA2, PK-2FLA
3
3
3
4
5
6
8
9
11
12
1
2
27
7
31
32
10
15
30
16
29
17
28
19 20 21
26
22
25
24
23
13
33
14
34
35
18
36
46
Page 47
No.
Part No.
Part name
Specification
Unit
Amount
Remarks.
(Drawing No.)
Wiring
Diagram
Symbol
Recom-
mended
Q'ty
Q'ty/set
PK-1.6PK-2
Price
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
HEAT EXCHANGER
HEAT EXCHANGER
LINEFLOW FAN
BEARING SUPPORT
SLEEVE BEARING
BEARING MOUNT
FAN GUARD
FAN GUARD
VANE MOTOR
NOZZLE ASSEMBLY
GUIDE VANE
LEFT ROTARY VANE
CENTER SUPPORT
VANE SLEEVE
DRAIN HOSE
ARM
RIGHT ROTARY VANE
CONTROL BOX COVER
TERMINAL COVER
CONTROLLER BOARD
CONTROLLER BOARD
CONTROLLER CASE
FUSE
TERMINAL BLOCK
TERMINAL BLOCK
TRANSFORMER
TRANSFORMER
RUN CAPACITOR
INDOOR COIL THERMISTOR
ROOM TEMPERATURE THERMISTOR
ROOM TEMPERATURE THERMISTOR
WATER SHIELD
MOTOR SUPPORT
FAN MOTOR
RUBBER MOUNT
MOTOR COVER
REMOTE CONTROLLER DOOR
REMOTE CONTROLLER
REMOTE CONTROLLER
BATTERY COVER
REMOTE CONTROLLER HOLDER
DRAIN SOCKET
AUTO VANE
DRAIN HOSE
GUIDE VANE
GUIDE VANE (WITH HANDLE)
VANE MOTOR
ROOM TEMPERATURE THERMISTOR
INDOOR COIL THERMISTOR
TERMINAL COVER
RUN CAPACITOR
CONTROLLER BOARD
CONTROLLER BOARD
FUSE
CONTROLLER COVER
CONTROLLER CASE
TRANSFORMER
TRANSFORMER
TERMINAL BLOCK
TERMINAL BLOCK
MOTOR BAND
FAN MOTOR
MOTOR LEG
RUBBER MOUNT
MOTOR BAND
RIGHT LINEFLOW FAN
CENTER SUPPORT
BEARING BAND
FAN GUARD
SLEEVE BEARING
BEARING MOUNT
REMOTE CONTROLLER DOOR
REMOTE CONTROLLER DOOR
REMOTE CONTROLLER
REMOTE CONTROLLER
BATTERY COVER
REMOTE CONTROLLER HOLDER
REMOTE CONTROLLER HOLDER
2.0+ 440V
250V 6.3A
2P(1/2)
3P(L,N,;)
20
2
2
2
2
1
1
1
1
20
20
20
4
4
4
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
(BG25J821H01)
4
(BG25J821H02)
1
1
1
1
(BG02J608H07)
1
1
2
1
(BG02A648G02)
1
(BG25B573H06)
1
1
1
1
(BG02H065H01)
1
1
(BG02A534H16)
2
1
(BG02H178H01)
1
1
(BG00R259G07)
1
(BG02L462H02)
2
1
1
1
1
1
MV
RT1
RT2
C
I.B
I.B
F1,2<I.B>
T
T
TB4
TB2
MF
W.R
W.R
49
Page 50
No.
Part No.
Part name
Specification
Unit
Amount
Remarks.
(Drawing No.)
Wiring
Diagram
Symbol
Recommended
Q'ty
Q'ty/set
PK-3
Price
1
2
3
4
5
6
7
8
SLEEVE BEARING
BEARING MOUNT
LEFT LINEFLOW FAN
HEAT EXCHANGER
DRAIN PAN
DRAIN PAN
ARM
JOINT SHAFT
CENTER COVER
AUTO VANE
DRAIN HOSE
GUIDE VANE
GUIDE VANE (WITH HANDLE)
VANE MOTOR
ROOM TEMPERATURE THERMISTOR
INDOOR COIL THERMISTOR
TERMINAL COVER
RUN CAPACITOR
CONTROLLER BOARD
CONTROLLER BOARD
FUSE
CONTROLLER COVER
CONTROLLER CASE
TRANSFORMER
TRANSFORMER
TERMINAL BLOCK
TERMINAL BLOCK
MOTOR BAND
FAN MOTOR
MOTOR LEG
RUBBER MOUNT
MOTOR BAND
RIGHT LINEFLOW FAN
CENTER SUPPORT
BEARING BAND
FAN GUARD
SLEEVE BEARING
BEARING MOUNT
REMOTE CONTROLLER DOOR
REMOTE CONTROLLER DOOR
REMOTE CONTROLLER
REMOTE CONTROLLER
BATTERY COVER
REMOTE CONTROLLER HOLDER
REMOTE CONTROLLER HOLDER
Specification
2.0+ 440V
250V 6.3A
2P(1/2)
3P(L,N,;)
Q'ty/set
PK-3
FLA
1
FLA2
FLAFLA4 FLA5
FLA3
2
2
2
2
1
1
1
1
20
20
20
20
4
4
4
4
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Remarks.
(Drawing No.)
(BG25J821H01)
(BG25J821H02)
(BG02J608H07)
(BG02A648G02)
(BG25B573H06)
(BG02H065H01)
(BG02A534H16)
(BG02H178H01)
(BG00R259G07)
(BG02L462H02)
Wiring
Diagram
Symbol
MV
RT1
RT2
C
I.B
I.B
F1,2<I.B>
T
T
TB4
TB2
MF
W.R
W.R
Recommended
Q'ty
Unit
Price
Amount
51
Page 52
No.
Part No.
Part name
Specification
Unit
Amount
Remarks.
(Drawing No.)
Wiring
Diagram
Symbol
Recommended
Q'ty
Q'ty/set
PK-4
Price
1
2
3
4
5
6
7
8
SLEEVE BEARING
BEARING MOUNT
LEFT LINEFLOW FAN
HEAT EXCHANGER
HEAT EXCHANGER
DRAIN PAN
DRAIN PAN
ARM
JOINT SHAFT
CENTER COVER
AUTO VANE
DRAIN HOSE
GUIDE VANE
GUIDE VANE (WITH HANDLE)
VANE MOTOR
ROOM TEMPERATURE THERMISTOR
INDOOR COIL THERMISTOR
TERMINAL COVER
RUN CAPACITOR
CONTROLLER BOARD
CONTROLLER BOARD
FUSE
CONTROLLER COVER
CONTROLLER CASE
TRANSFORMER
TRANSFORMER
TERMINAL BLOCK
TERMINAL BLOCK
MOTOR BAND
FAN MOTOR
MOTOR LEG
RUBBER MOUNT
MOTOR BAND
RIGHT LINEFLOW FAN
CENTER SUPPORT
BEARING BAND
FAN GUARD
SLEEVE BEARING
BEARING MOUNT
REMOTE CONTROLLER DOOR
REMOTE CONTROLLER DOOR
REMOTE CONTROLLER
REMOTE CONTROLLER
BATTERY COVER
REMOTE CONTROLLER HOLDER
REMOTE CONTROLLER HOLDER
3.0+ 440V
250V 6.3A
2P(1/2)
3P(L,N,;)
26
2
2
2
2
1
1
1
1
26
26
26
4
4
4
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
(BG25J821H01)
4
(BG25J821H02)
1
1
1
1
(BG02J608H07)
1
1
2
1
(BG02A648G02)
1
(BG25B573H06)
1
1
1
1
(BG02H065H01)
1
1
(BG02A534H17)
2
1
(BG02H178H01)
1
1
(BG00R259G07)
1
(BG02L462H02)
2
1
1
1
1
1
MV
RT1
RT2
C
I.B
I.B
F1,2<I.B>
T
T
TB4
TB2
MF
W.R
W.R
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14
ORN1
2
3
BRN
RED
1
2
3
4
5
BRN
RED
ORN
YLW
GRN
Part No.
Pipe lenght
Pipe size O.D.
Pipe size O.D.
PAC-05FFS-E
5m
Liquid:{9.52
Indoor unit:Flared
Gas:{15.88
Outdoor unit:Flared
PAC-07FFS-E
7m
PAC-10FFS-E
10m
PAC-15FFS-E
15m
Part No.
Pipe lenght
Pipe size O.D.
Connection methed
Factory supplied optional refrigerant pipings contain refrigerant at the above atmospheric pressures. As long as the
connection takes no more than 5 minutes, no air will enter, and there will be no need for air purging. Remove the
blind caps and make the connections within 5 minutes. After the connections for the indoor and outdoor units are
made, open the stop valve on the outdoor unit to allow refrigerant gas to flow.
If piping length exceeds 5m,an additional charge of refrigerant is needed.
Note 2. The following main parts are contained in the optional refrigerant piping kit.
This adapter is needed for system control and for operation via external contacts.
Part No.PAC-SA89TA-E
3. MULTIPLE REMOTE CONTROLLER ADAPTER
This adapter is needed for remote indication (operation/check).
Part No.PAC-SA88HA-E
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4. CENTRALIZED REMOTE CONTROLLER
BACK
ACTIVE
BYPASS
POWER
ON/OFF
DUAL
CENTRAL
AHEAD
ENGAGED
GROUP
ACTIVE BYPASS
GROUP
SELECTION
PROGRAM
TIMER
CONTROLLER
OPERATION
DUAL CENTRAL
12345678910
113
113
10 9 8 7 6 5 4 3 2 1
56.3
11
23.5
8
Allows individual or combined control of up to 16 units.
Part No.
4-1. Dimensions
ENGAGED
GROUP
12345678910
GROUP
SELECTION
PROGRAM
ACTIVE BYPASS
TIMER
CONTROLLER
DUAL CENTRAL
OPERATION
117
4-2. Names and Functions
POWER
ON/OFF
AHEAD
BACK
ACTIVE
BYPASS
DUAL
CENTRAL
MITSUBISHI ELECTRIC
PAC-805RC
Unit : mm
12
117
"ENGAGED" indicator
When this indicator is lit, transmission is in
progress and all switches are inoperative.
DUAL/CENTRAL switch
This change-over switch governs the oper-
ation of the accessory remote controller.
"DUAL"
Instructions from both the accessory
remote controller and the centralized
remote controller are valid. (Priority given
to the last instruction received.)
"CENTRAL"
ON/OFF switching by the accessory
remote controller is invalidated. Operation
is controlled by the centralized remote controller only.
Initial setting is "DUAL".
LCD Matrix Display
This display indicates the operational sta-
tus of all connected units either by steady
lighting or by flashing.
ENGAGED
GROUP
12345678910
ACTIVE BYPASS
DUAL CENTRAL
GROUP
SELECTION
PROGRAM
TIMER
CONTROLLER
OPERATION
POWER
ON/OFF
AHEAD
BACK
ACTIVE
BYPASS
DUAL
CENTRAL
MITSUBISHI ELECTRIC
POWER ON/OFF switch
Operation ON/OFF switch.
▲BACK ▼AHEAD buttons
These buttons are used to designate
the attached unit(s). (They designate
the unit to be centrally controlled.)
●When group “00” is designated; collective ON/OFF instruction is sent to all
units.
●When group “01”-“16“ is designated;
ON/OFF instruction is sent only to the
designated units.
ACTIVE/BYPASS switch
This is a change-over switch for the
program timer.
Use “BYPASS” when a program timer
is not connected.
Independent “DUAL / CENTRAL” and “ACTIVE / BYPASS” setting of all the groups is possible. When the power supply to the
centralized remote controller is cut due to power failure, all settings will return to original “DUAL” and “BYPASS”.
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ANE
T
(Y)
(W)(R) (O)
(BR)
5A
A
POWER
SUPPLY
N
E
Fuse(5A)
Tie-wrap
Wiring has to be changed when
a 200,230 or 240V power is used.
Tie-wrap
TRANSFORMER
Transmission
TERMINAL-BLOCK
FOR TRANSMISSION
TERMINAL-BLOCK
OF POWER SUPPLY
200
220
230
240
BACK
ACTIVE
BYPASS
POWER
ON/OFF
DUAL
CENTRAL
AHEAD
ENGAGED
GROUP
ACTIVE BYPASS
GROUP
SELECTION
PROGRAM
TIMER
CONTROLLER
OPERATION
DUAL CENTRAL
12345678910
10 9 8 7 6 5 4 3 2 1
To adaptor's
terminal-block
Centralized remote
controller
Non-polar,
two-wire cable
To adaptor's
terminal-block
Power supply board box
BACK
ACTIVE
BYPASS
POWER
ON/OFF
DUAL
CENTRAL
AHEAD
ENGAGED
GROUP
ACTIVE BYPASS
GROUP
SELECTION
PROGRAM
TIMER
CONTROLLER
OPERATION
DUAL CENTRAL
12345678910
10 9 8 7 6 5 4 3 2 1
Dip switch
SW17
Centralized
remote controller
Power supply
board
4-3 Connection method
(1) Connections in the power supply cord.
1. Connect the power supply cord to the power supply terminal-block and fix it in-place with a tie-wrap. Connect a single phase 200V AV (220, 230, 240V) to .
As is the GND terminal, be sure to ground the earth wire.
E
2. Connect the transmission line to the transmission terminal-block and fix it in-place with a tie-wrap. Use a Ω1.6
(AWG 14) or above two-wire cable for the transmission line.
CAUTION : Never connect the power supply cord to the transmission terminal-block.
A N
(2) Connection method of centralized remote controller and power supply board.
1. Connect the centralized remote controller and power supply board with a non-polar, two-wire cable.
2. Wiring diagram
3. Be sure to set the maximum address number with the
dip switch SW17 on the centralized remote controller.
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5. PROGRAM TIMER ADAPTER
Length : 2m(6' 7")
Length : 2m(6' 7")
Length : 2m(6' 7")
This adapter is needed when a program timer(PAC-815PT)or a centralized remote controller(PAC-805RC)is used.
5-2 Connection method
Connection and wiring methods differ with the type of the indoor unit used. Confirm the type before carrying out the work.
(1) Connections in the adapter box
1. Connect the power supply cord to the terminal-block and fix it in-place with a tie-wrap.
Connect a single phase 200V (220, 230, 240V) AV to .
E
As is the GND terminal, be sure to ground the earth wire.
A N
2. Connect the transmission line to the transmission terminal-block and fix it in-place with a tie-wrap (when a
centralized remote controller is being used).
CAUTION : Never connect the power supply cord to the transmission terminal-block
Fig-1Fig-2
TERMINAL-BLOCK
FOR
TRANSMISSION
Tie-wrap
Transmission cord
CN22
Dip switch
TRANS
CN1 CN21 CN51CN30CN42 CN50CN40
Fuse(5A)
TRANSFORMER
(AG)
SW1
ANE
POWER SUPPLY CORD
TERMINAL-BLOCK
FOR POWER
SUPPLY
Tie-wrap
CN22
TRANS
(B)
(W)
Transmission
Wiring has to be changed when 200V power supply is used.
200
SW1
T
(Y)
240
220
5A
A
N
E
POWER
SUPPLY
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Fig.4
Fig.3
To program timer
or centralized
remote controller
Adaptor
200 240V AC
CN30
CN2 CN51
CN50
Indoor unit
Max. Length of each cable is 10m.
3-core cable ¡5-core cable ƒ
65
230
22
15
15
8670
35
27
15
hole
408040 27 18
Fixing screw hole
4- 5.5
95
220
22
35
120
12
30
200
2 2- 2.9
74
7
8
2. Set the address number (from SW1-1 to
SW1-6) in the dip switch when a centralized
remote controller is being used.
The address is the control number of each
unit in the centralized control system.
As the address serves as a time-delay device
as well, sequential starts (all units are triggered collectively by one single ON instruction) must be set with different address numbers (greater than O) for each adapter.
SW1
10 9 8 7 6 5 4 3 2 1
ON
Levers No. 1-6 can set the following address respectively with
binary notations
Toggle
No.6ON32No.5ON16No.4ON8No.3ON4No.2ON2No.1ON
Address
1
(Ex. 1) 3=2+1
10 9 8 7 6 5 4 3 2 1
(2) Connection from adaptor
(Ex. 2) 9=8+1
10 9 8 7 6 5 4 3 2 1
ON
ON
(Ex. 3) 15=8+4+2+1
10 9 8 7 6 5 4 3 2 1
ON
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28˚C
26
˚C
8:00
Normal
operation
23:00
Setback
operation
8:00
Normal
operation
6. TIMER
Model Name
Product Name
(The PAC-SK65PT can only be used together with the PAC-825AD)
6-1 Program timer specifications
Product name
Model name.
Mounting method
Clock system
Clock accuracy
Display
Program cycle
Timer setting unit
Number. of set point
Time
Week
Program Timer
PAC-SK65PT
Wall mount
Quarts clock
+
Liquid crystal display
Liquid crystal display
24 hours
30 minutes
48/day
Minimum ON/OFF interval
Power failure safeguard
Rated power supply
Set back function
6-2 Feature of program timer
(1) Daily timer function
Daily timer can be set in 30 minutes units for up to 24 hours.
Each unit can be set for unit ON, unit OFF, or setback operation.
(2) Setback operation (PAC-SK65PT)
Set back operation is useful for reducing running costs
e.g. At a hotel with a 24-hour system
8:00~23:00 Cooling operation with set temperature at 26°C
23:00~8:00 Setback operation with 2 degrees of setback
As shown in the chart on the night, the set temperature rises 2 degrees
automatically during the setback operation. When the setback operation
ends, normal operation will begin.
(3) Weekly timer function
Daily timer function can apply to each day of the week.
5V DC
Not provided
PAC-SK65PT
Program timer
50 second/month
—
—
6-3. How to connect program timer (PAC-SK65PT)
(1) Install the program timer next to the remote controller the same way as the remote controller is installed.
(2) Connect the program timer and the remote controller with a 6-wire cable as shown in the figure below
NOTE:While the program timer is connected to the remote controller, the 24hour
ON/OFF timer on the remote controller will not work.
2-wire cable
Centraized
Remote
controller
Connector CN1Connector CN1
To indoor unit
6-wire cable
Program
timer
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SET/MOTOR
BACK AHEAD
BACK
AHEAD
ONOFF
ON SETBACK OFF
SMTWTF S
MITSUBISHI ELECTRIC
SET MONITOR
TODAY
CLOCK
WEEKLY
TIMER
DAILY TIMER
Mode display
Current time
display
Current day
display
Weekly timer
display
Day timer display
NOTE : Display above is
only an example.
6-4. Name and functions
(PAC-SK65PT)
MODE selector button : Used to select \MONITOR" or "SET" mode.
"MONITOR" : Indicates the current timer setting. All buttons except
SET/MONITOR will not work.This is the normal status.
"SET" : "SET" is used to set the time, change the day of the week, and
program the daily and weekly timer.
Clock adjustment button : Used to adjust the current time.Press
AHEAD button to advance the time.
Each time the button is pressed the time
advances by 1 minute. Pressing continuously advances 1 minute in a 0.5 second interval. When the lower digit of
minute becomes 0 the indication
advances in 10 minutes unit. BACK
button is used for reversing the time.
Each time the button is pressed the time
reverses by 1 minute. Pressing continuously reverses the time by 1 minute in a
0.5 second interval.
When the lower digit of minute becomes
0 the indication reverses in 10 minutes
unit.
Weekday setting button : Used to set the day of week.
Pressing button changes the day.
▲
Weekly timer button : Used to set the weekly timer.
Daily timer button : Used to set the timer settings in units of 30 minutes.
7. Drain pump (for PK-2.5FLA, PK-3FLA, PK-4FLSA)
Model NamePAC-SE89DM-E
HEAD OFFICE : MITSUBISHI DENKI BLDG.,2-2-3, MARUNOUCHI,CHIYODA-KU TOKYO 100-8310, JAPAN