Parts lists for some models are not included in this manual.As soon as they are completed, the manual included the lists for all models will be published.
TECHNICAL & SERVICE MANUAL
Series PLH
Indoor unit
[Model names][Service Ref.]
PLH-P1.6KAHPLH-P1.6KAH.UK
PLH-P2KAHPLH-P2KAH.UK
PLH-P2.5KAHPLH-P2.5KAH.UK
Ceiling Cassettes
PLH-P1.6KAH
PLH-P2KAH
PLH-P2.5KAH
R407C
1.UK
1.UK
1.UK
No. OC235
REVISED EDITION-A
• PLH-P1.6KAH1.UK, PLHP2KAH1.UK and PLHP2.5KAH1.UK are added in
REVISED EDITION-A.
Outdoor units PUH-P1.6, 2,
2.5VGAA.UK and PUH-P1.6, 2,
2.5YGAA.UK which are connected to those indoor units
are also added in it.
• Please void OC235.
• Refer to the OCT03 REVISED
EDITION-C as for control relation.
This manual does not cover
outdoor units. When serving
them, please refer to the service manual No.OC180
REVISED EDITION-A, OC261
and this manual in a set.
● REMOTE CONTROLLER has changed.(PAR-S27A-E PAR-20MAA-E)
● Outdoor units which are connected to PLH-P·KAH.UK and PLH-P·KAH
1.UK have been added.
2
3
COMBINATION OF INDOOR AND OUTDOOR UNITS
SAFETY PRECAUTION
Cautions for using with the outdoor unit which adopts R407C refrigerant.
· Do not use the existing refrigerant piping.
-The old refrigerant and refrigerant oil in the existing piping contains a large amount of chlorine which may cause the refrigerant oil of the
new unit to deteriorate.
· Do not use copper pipes which are broken, deformed or discolour .
In addition, be sure that the inner surfaces of the pipes are clean, free of hazardous sulphur and oxides, or have no dust / dirt, shaving parti-
cles, oils, moisture or any other contamination.
-If there is a large amount of residual oil (hydraulic oil, etc.) inside the piping and joints, deterioration of the refrigerant oil will result.
· Store the piping to be used during installation indoors and keep both ends of the piping sealed until just before
brazing. (Store elbows and other joints in a plastic bag.)
-If dust, dirt, or water enters the refrigerant cycle, deterioration of the oil and compressor trouble may result.
· Use ester oil, ether oil or alkyl benzene (small amount) as the refrigerant oil to coat flares and flange connections.
-The refrigerant oil will degrade if it is mixed with a large amount of mineral oil.
Use liquid refrigerant to fill the system.
-If gas refrigerant is used to fill the system, the composition of the refrigerant in the cylinder will change and performance may drop.
· Do not use a refrigerant other than R407C.
-If another refrigerant (R22, etc.) is used, the chlorine in the refrigerant may cause the refrigerant oil to deteriorate.
· Use a vacuum pump with a reverse flow check valve.
-The vacuum pump oil may flow back into the refrigerant cycle and cause the refrigerant oil to deteriorate.
· Do not use the following tools that are used with conventional refrigerant.
(Gauge manifold , charge hose, gas leak detector, reverse flow check valve, refrigerant charge base, vacuum gauge, refrigerant
recovery equipment)
-If the conventional refrigerant and refrigerant oil are mixed in the R407C, the refrigerant may deteriorated.
-If water is mixed in the R407C, the refrigerant oil may deteriorate.
-Since R407C does not contain any chlorine, gas leak detectors for conventional refrigerant will not react to it.
· Do not use a charging cylinder.
-Using a charging cylinder may cause the refrigerant to deteriorate.
· Be especially careful when managing the tools.
-if dust, dirt, or water gets in the refrigerant cycle, the refrigerant may deteriorate.
· Do not use the drier which is sold in the field.
-The drier for R407C refrigerant is per-attached to outdoor unit refrigerant circuit.
-Some drier in the field are not in conformity with R407C refrigerant .
2
Page 3
Gravimeter
Unit
[1] Service tools
Use the below service tools as exclusive tools for R407C refrigerant.
No.Tool nameSpecifications
Gauge manifold·Only for R407C.
1
·Use the existing fitting SPECIFICATIONS. (UNF7/16)
·Use high-tension side pressure of 3.43MPa·G or over.
Charge hose·Only for R407C.
2
·Use pressure performance of 5.10MPa·G or over.
Electronic scale
3
Gas leak detector·Use the detector for R407C.
4
Adapter for reverse flow check.·Attach on vacuum pump.
5
Refrigerant charge base.
6
Refrigerant cylinder.·For R407C·Top of cylinder (Brown)
7
·Cylinder with syphon
Refrigerant recovery equipment.
8
[2] Notice on repair service
·After recovering the all refrigerant in the unit, proceed to working.
·Do not release refrigerant in the air.
·After completing the repair service, recharge the cycle with the specified amount of
liquid refrigerant.
[3] Refrigerant recharging
(1) Refrigerant recharging process
1Direct charging from the cylinder.
·R407C cylinder are available on the market has a syphon pipe.
·Leave the syphon pipe cylinder standing and recharge it.
(By liquid refrigerant)
(2) Recharge in refrigerant leakage case
·After recovering the all refrigerant in the unit, proceed to working.
·Do not release the refrigerant in the air.
·After completing the repair service, recharge the cycle with the specified amount of
liquid refrigerant.
3
Page 4
4
Auto Air Swing Vane
Disperses airflow up and
down and adjusts the angle
of airflow direction.
Grille
Filters
Remove dust and pollutants
from inhaled air
Horizontal Air Outlet
Sets airflow horizontal automatically
during cooling or dehumidifying.
Air Intake
Inhales air from room.
PART NAMES AND FUNCTIONS
● Indoor (Main) Unit
PLH-P1.6KAH.UK, PLH-P2KAH.UK, PLH-P2.5KAH.UK
PLH-P1.6KAH1.UK, PLH-P2KAH1.UK, PLH-P2.5KAH1.UK
4
Page 5
● Remote controller
● Once the controls are set, the same operation mode can
be repeated by simply pressing the ON/OFF button.
PLH-P1.6KAH.UK, PLH-P2KAH.UK, PLH-P2.5KAH.UK
● Operation buttons [ PAR-S27A-E ]
TIME SETTING button
TIMER button
This switches between
continuous operation and
the timer operation.
This sets of switches the
current time. start time and
stop time.
AIR SPEED button
This sets the fan speed.
OPERATION SWITCH
button
Press this button to
switch the cooler electronic dry (dehumidify)
automatic and heater
modes.
TEMP. ADJUSTMENT
button
This sets the room temperature The temperature setting
can be performed in 1°C
units
Setting range
Cooler 19°C to 30°C
Heater 17°C to 28°C
TIMER ADJUSTMENT button
This adjust the current time, start
time and stop time.
LOUVER button
This switches the horizontal fan motion ON
and OFF.
(This button does not
operate in this model)
ON/OFF button
This switches between the
operation and stop modes
each time it is pressed. The
lamp on this button lights during operation.
AIR DIRECTION button
This adjusts the vertical angle
of the ventilation.
FILTER button
This resets the filter cleaning
indication display.
CHECK-TEST RUN button
Only press this button to perform an inspection check or
test operation Do not use it
for normal operation.
VENTILA TION button
This sets the ventilation fan
speed.
5
Page 6
● Display
CENTRALLY
CONTROLLED display
This indicates when the unit is controlled by optional features such as
central control type remote controller.
TIMER display
This indicates when the continuous
operation and time operation modes
are set.
It also display the time for the timer
operation at the same time as when
it is set.
OPERATION MODE display
This indicates the operation mode.
STANDBY display
This indicates when the standby
mode is set from the time the sleep
operation starts until the heating air
is discharged.
DEFROST display
This indicates when the defrost operation is performed.
CLOCK display
The current time , start time and stop
time can be displayed in ten second
intervals by pressing the time switch
button. The start time or stop time is
always displayed during the timer
operation.
In this display example on the bottom left, a condition where all display lamps light is shown for explanation purposes although this differs
from actual operation.
AIR DIRECTION display
This displays the air direction.
FAN SPEED display
The selected fan speed is displayed.
ROOM TEMPERATURE display
The temperature of the suction air is
displayed during operation. The display range is 8° to 39°C. The display
flashes 8°C when the actual temperature is less than 8° and flashes
39°C when the actual temperature is
greater than 39°C.
Operation lamp
This lamp lights during operation,
goes off when the unit stops and
flashes when a malfunction occurs.
CHECK MODE
TEST RUN
This display lights in the check mode
or when a test operation is performed.
display
FILTER display
CHECK display
This indicates when a malfunction
has occurred in the unit which should
be checked.
SET TEMPERATURE display
This displays the selected setting
temperature.
Caution
● Only the Power display lights when the unit is stopped and power supplied to the unit.
● When power is turned ON for the first time the (CENTRAL CTRL) display appears to go off momentarily but this is not a
malfunction.
● When the central control remote control unit, which is sold separately, is used the ON-OFF button, operation switch button
and TEMP. adjustment button do not operate.
● “NOT AVAILABLE” is displayed when the Air speed button are pressed.This indicates that this room unit is not equipped
with the fan direction adjustment function and the louver function.
● When power is turned ON for the first time, it is normal that “H0” is displayed on the room temperature indication (For max.
2minutes). Please wait until this “H0” indication disappear then start the operation.
POWER display
This lamp lights when electricity is
supplied to the unit.
This lamp lights when the filter need
to be cleaned.
6
Page 7
PAR-20MAA
ON/OFF
CENTRALLY CONTROLLED
ERROR CODE
CLOCK
ON OFF
˚C
CHECK
CHECK MODE
FILTER
TEST RUN
FUNCTION
˚C
1Hr.
NOT AVAILABLE
STAND BY
DEFROST
FILTER
CHECK TEST
TEMP.
TIMER SET
Press this button to switch the cooler,
electronic dry (dehumidify), automatic
and heater modes.
OPERATION SWITCH button
This sets the room temperature. The
temperature setting can be performed
in 1: units
Setting range
Cooler 19: to 30:
Heater 17: to 28:
TEMP. ADJUSTMENT button
This switches between continuous
operation and the timer operation.
TIMER button
This switches between the operation
and stop modes each time it is pressed.
The lamp on this button lights during
operation.
ON/OFF button
Only press this button to perform an
inspection check or test operation.
Do not use it for normal operation.
CHECK-TEST RUN button
This switch the horizontal fan motion
ON and OFF.
(Not available for this model.)
LOUVER button
This sets the ventilation fan speed.
VENTILATION button
This adjusts the vertical angle of the
ventilation.
AIR DIRECTION button
This resets the filter service indication
display
FILTER button
This sets the current time, start time
and stop time.
TIME SETTING button
This sets the ventilation fan speed.
AIR SPEED button
PLH-P1.6KAH1.UK, PLH-P2KAH1.UK, PLH-P2.5KAH1.UK
● Operation buttons [ PAR-20MAA-E ]
7
Page 8
● Display
PAR-20MAA
ON/OFF
CENTRALLY CONTROLLED
ERROR CODE
CLOCK
ON OFF
˚C
CHECK
CHECK MODE
FILTER
TEST RUN
FUNCTION
˚C
1Hr.
NOT AVAILABLE
STAND BY
DEFROST
FILTER
CHECK TEST
TEMP.
TIMER SET
CENTRALLY
CONTROLLED display
This indicates when the unit is controlled by optional features such as
central control type remote controller.
TIMER display
This indicates when the continuous
operation and time operation modes
are set.
It also display the time for the timer
operation at the same time as when
it is set.
OPERATION MODE display
This indicates the operation mode.
STANDBY display
The [STANDBY] symbol is only displayed from the time the heating
operation starts unit the heated air
begins to blow.
DEFROST display
This indicates when the defrost operation is performed.
CLOCK display
The current time , start time and stop
time can be displayed in ten second
intervals by pressing the time switch
button. The start time or stop time is
always displayed during the timer
operation.
In this display example on the bot-
tom left, a condition where all display lamps light is shown for explanation purposes although this differs
from actual operation.
AIR DIRECTION display
This displays the air direction.
AIR SPEED display
The selected fan speed is displayed.
ROOM TEMPERATURE display
The temperature of the suction air
is displayed during operation. The
display range is 8°C to 39°C. The
display flashes 8°C when the actual
temperature is less than 8°C and
flashes 39°C when the actual temperature is greater than 39°C.
Operation lamp
This lamp lights during operation,
This display lights in the check mode
goes off when the unit stops and
flashes when a malfunction occurs.
CHECK MODE
TEST RUN
or when a test operation is performed.
display
FILTER display
CHECK display
This indicates when a malfunction
has occurred in the unit which should
be checked.
SET TEMPERATURE display
This displays the selected setting
temperature.
Caution
● Only the Power display lights when the unit is stopped and power supplied to the unit.
● When the central control remote control unit, which is sold separately, is used the ON-OFF button, operation switch button
and TEMP. adjustment button do not operate.
● “NOT AVAILABLE” is displayed when the Air speed button are pressed.This indicates that this room unit is not equipped
with the fan direction adjustment function and the louver function.
● When power is turned ON for the first time, it is normal that “H0” is displayed on the room temperature indication (For max.
2minutes). Please wait until this “H0” indication disappear then start the operation.
POWER display
This lamp lights when electricity is
supplied to the unit.
This lamp lights when the filter need
to be cleaned.
8
Page 9
5SPECIFICATIONS
Service Ref.
Item
Btu/h
W
kW
kW
A
A
kW
K/min (CFM)
Pa (mmAq)
kW
dB
mm (in.)
mm (in.)
mm (in.)
mm (in.)
kg (lbs)
A
A
kW
W
kW
K
/min (CFM
)
dB
dB
mm (in.)
mm (in.)
mm (in.)
kg (lbs)
kg (lbs)
L
mm (in.)
mm (in.)
Function
Capacityw1
Total inputw1
Service Ref.
Power supply (phase, cycle, voltage)
Inputw2
Running currentw2
Starting currentw2
External finish
Heat exchanger
FanFan (drive) x No.
Fan motor output
Airflow (Lo-Mi2-Mi1-Hi)
External static pressure
Booster heaterw2
Operation control & Thermostat
Noise level (Lo-Mi2-Mi1-Hi)
Unit drain pipe I.D.
Dimensions
Weight
Service Ref.
Power supply (phase, cycle, voltage)
Running current
Starting current
External finish
Refrigerant control
Compressor
Model
Motor output
Starter type
Protection devices
Crankcase heater
Heat exchanger
FanFan (drive) x No.
Fan motor output
Airflow
Defrost method
Noise level
Dimensions
Weight
Refrigerant
Charge
Oil (Model)
Pipe size O.D.
Connection method
Between the indoor &
outdoor unit
INDOOR UNITOUTDOOR UNIT
REFRIGERANT PIPING
PLH-P1.6KAH.UK
Cooling
15,000
4,400
1.86
0.15
0.64
0.70
7.66 / 2.67
Heating
17,100 (21,800)
5,000 (6,400)
1.93 (3.33)
0.10 <1.40>
0.45 <5.83>
0.50 <5.83>
8.19 / 2.86
W
D
H
Cooling
Heating
W
D
H
Liquid
Gas
Indoor side
Outdoor side
Height difference
Piping length
PLH-P1.6KAH.UK
Single phase, 50Hz, 220-230-240V
Galvanized sheets with gray heat insulation
Plate fin coil
Turbo fan (direct) x 1
0.030
13-14-15-16 (459-494-530-565)
0 (direct blow)
<1.4>
Remote controller & built-in
32-34-35.5-37
32 (1-1/4)
PUH-P1.6VGA / PUH-P1.6YGA
Single phase, 50Hz, 220-230-240V / 3 phases, 50Hz, 380-400-415V (4wires)
36 / 20
Munsell 5Y 8/1
Linear Expansion Valve
Hermetic
RE277VHSM / RE277YFKM
1.3
Line start
Inner thermostat, HP switch, Discharge thermo. / Thermal relay, Discharge thermo, HP switch, Anti-phase protector.
30
Plate fin coil
Propeller (direct) x 1
0.070
45 (1,590)
Reverse cycle
46
48
900 (35-7/16)
330+20 (13+3/4)
650 (25-5/8)
55 (121)
R407C
2.6 (5.7)
0.57 (Ester) MEL56
9.52 (3/8)
15.88 (5/8)
Flared
Flared
Max. 40m
Max. 40m
w1 : ( ) Shows the total rating.
w2 : < > Shows the only booster heater rating.
UNIT : 660 (26) PANEL : 760 (30)
UNIT : 660 (26) PANEL : 760 (30)
UNIT : 253 (10) PANEL : 30 (1-1/8)
UNIT : 20 (44) PANEL : 3.7 (8)
Correcting the capacity line influenced by frosting
Not correcting the capactiy line influenced by frosting
1.4
1.2
1.0
0.8
10
22
20
18
16
22
20
18
16
203046400-5
1.2
1.0
0.8
0.6
0.4
INDOOR
W.B.(°C)
CAPACITY (RATIO)TOTAL INPUT (RATIO)
INDOOR
W.B.(°C)
OUTDOOR D.B.(°C)
2. PERFORMANCE CURVE
Cooling performance curve(50Hz)
Heating performance curve(50Hz)
28
Page 29
3. ELECTRICAL DATA
Indoor unit …220V 50Hz Single phase Outdoor unit…220V 50Hz Single phase / 380V 50Hz 3 phases
Service
Ref.
Mode
Capacity (W)
Total Input (kW)
w( ) Shows the total rating.
< > Shows the only booster heater rating.
Indoor unit
Outdoor unit
Input (kW)
Current (A)
Indoor unit
Starting current (A)
Current (A)
Outdoor unit
(In + Out)
(In + Out + Heater)
PLH-P1.6KAH.UKPLH-P2KAH.UKPLH-P2.5KAH.UK
PUH-P1.6VGA PUH-P1.6YGA
Cool
4,300
1.73
0.12
0.60
33
7.54
Heat
4,900
(6,070)
1.78
(2.95)
0.08
<1.17>
0.41
<5.32>
7.96
33
Cool
4,300
1.73
0.12
0.60
18
2.75
4,900
(6,070)
(2.95)
<1.17>
<5.32>
Heat
1.78
0.08
0.41
18
2.90
PUH-P2VGA
Cool
5,300
2.52
0.12
0.61
11.13
68
Heat
6,150
(7,320)
2.56
(3.73)
0.08
<1.17>
0.42
<5.32>
68
11.50
PUH-P2YGA
Cool
5,300
2.52
0.12
0.61
4.01
28
Heat
6,150
(7,320)
2.56
(3.73)
0.08
<1.17>
0.42
<5.32>
28
4.14
PUH-P2.5VGA1
Cool
6,200
2.70
0.12
0.57
70
11.96
Indoor unit …230V 50Hz Single phase Outdoor unit…230V 50Hz Single phase / 400V 50Hz 3 phases
Service
Ref.
Indoor unit
Outdoor unit
Mode
Capacity (W)
Total Input (kW)
(In + Out)
(In + Out + Heater)
Input (kW)
Current (A)
Indoor unit
Starting current (A)
Current (A)
Outdoor unit
w( ) Shows the total rating.
< > Shows the only booster heater rating.
PLH-P1.6KAH.UK
PUH-P1.6VGA PUH-P1.6YGA
19
Heat
4,950
(6,240)
1.85
(3.14)
0.09
<1.29>
0.43
<5.61>
19
2.85
Cool
4,350
1.81
0.14
0.62
35
7.64
Heat
4,950
(6,240)
1.85
(3.14)
0.09
<1.29>
0.43
<5.61>
35
8.05
Cool
4,350
1.81
0.14
0.62
2.71
PLH-P2KAH.UK
PUH-P2VGAPUH-P2YGA
Cool
5,350
2.57
0.13
0.63
71
11.05
Heat
6,200
(7,490)
2.62
(3.91)
0.09
<1.29>
0.44
<5.61>
11.45
71
Cool
5,350
2.57
0.13
0.63
29
3.91
Heat
6,200
(7,490)
2.62
(3.91)
0.09
<1.29>
0.44
<5.61>
29
4.06
PLH-P2.5KAH.UK
PUH-P2.5VGA1 PUH-P2.5YGA1
Cool
6,250
2.74
0.13
0.59
74
11.82
Heat
7,100
(8,860)
2.56
(4.34)
0.09
<1.76>
0.42
<8.00>
70
11.54
Heat
7,250
(9,180)
2.63
(4.56)
0.09
<1.93>
0.43
<8.39>
74
11.50
PUH-P2.5YGA1
Cool
6,200
2.70
0.12
0.57
4.31
Cool
6,250
2.74
0.13
0.59
4.19
29
31
Heat
7,100
(8,860)
2.56
(4.34)
0.09
<1.76>
0.42
<8.00>
29
4.16
Heat
7,250
(9,180)
2.63
(4.56)
0.09
<1.93>
0.43
<8.39>
31
4.07
Indoor unit …240V 50Hz Single phase Outdoor unit…240V 50Hz Single phase / 415V 50Hz 3 phases
Service
Ref.
Mode
Capacity (W)
Total Input (kW)
w( ) Shows the total rating.
< > Shows the only booster heater rating.
Indoor unit
Outdoor unit
Input (kW)
Current (A)
Indoor unit
Starting current (A)
Current (A)
Outdoor unit
(In + Out)
(In + Out + Heater)
PLH-P1.6KAH.UK
PUH-P1.6VGA PUH-P1.6YGA
20
Heat
5,000
(6,400)
1.93
(3.33)
0.10
<1.40>
0.45
<5.83>
20
2.86
Cool
4,400
1.86
0.15
0.64
36
7.66
Heat
5,000
(6,400)
1.93
(3.33)
0.10
<1.40>
0.45
<5.83>
36
8.19
Cool
4,400
1.86
0.15
0.64
2.67
PLH-P2KAH.UK
PUH-P2VGAPUH-P2YGA
Cool
5,400
2.62
0.14
0.65
74
11.11
Heat
6,250
(7,650)
2.67
(4.07)
0.10
<1.40>
0.45
<5.83>
11.51
74
Cool
5,400
2.62
0.14
0.65
30
3.88
Heat
6,250
(7,650)
2.67
(4.07)
0.10
<1.40>
0.45
<5.83>
30
4.02
PLH-P2.5KAH.UK
PUH-P2.5VGA1 PUH-P2.5YGA1
Cool
6,300
2.77
0.14
0.61
77
11.78
29
Heat
7,400
(9,500)
2.68
(4.78)
0.10
<2.10>
0.45
<8.75>
77
11.55
Cool
6,300
2.77
0.14
0.61
32
4.11
Heat
7,400
(9,500)
2.68
(4.78)
0.10
<2.10>
0.45
<8.75>
32
4.03
Page 30
Service
Ref.
Indoor unit
Outdoor unit
Mode
Capacity (W)
Total Input (kW)
Input (kW)
Current (A)
Starting current (A)
Current (A)
Indoor unit
Outdoor unit
PLH-P1.6KAH.UK
PLH-P1.6KAH
1.UK
PLH-P2KAH.UK
PLH-P2KAH1.UK
PUH-P•GAA.UK
PLH-P2.5KAH.UK
PLH-P2.5KAH1.UK
1.6V1.6Y
2.5V
Cool
4,300
1.70
0.12
0.60
33
8.03
Cool
4,300
1.70
0.12
0.60
18
2.71
Heat
4,900
(6,070)
1.74
(2.91)
0.08
<1.17>
0.41
<5.32>
33
8.28
Heat
4,900
(6,070)
1.74
(2.91)
0.08
<1.17>
0.41
<5.32>
18
2.80
2.5Y
Cool
6,200
2.57
0.12
0.57
32
4.89
Cool
6,200
2.57
0.12
0.57
71
12.98
Heat
7,100
(8,860)
2.48
(4.24)
0.09
<1.76>
0.42
<8.00>
32
4.73
Heat
7,100
(8,860)
2.48
(4.24)
0.09
<1.76>
0.42
<8.00>
71
12.56
2V
Cool
5,200
2.34
0.12
0.61
62
11.19
Heat
5,850
(7,020)
2.30
(3.47)
0.08
<1.17>
0.42
<5.32>
62
11.53
2Y
Cool
5,200
2.34
0.12
0.61
31
4.05
Heat
5,850
(7,020)
2.30
(3.47)
0.08
<1.17>
0.42
<5.32>
31
4.17
w( ) Shows the total rating.
< > Shows the only booster heater rating.
(In + Out)
(In + Out + Heater)
Indoor unit …220V 50Hz Single phase Outdoor unit…220V 50Hz Single phase / 380V 50Hz 3 phases
Service
Ref.
Indoor unit
Outdoor unit
Mode
Capacity (W)
Total Input (kW)
Input (kW)
Current (A)
Starting current (A)
Current (A)
Indoor unit
Outdoor unit
PLH-P1.6KAH.UK
PLH-P1.6KAH
1.UK
PLH-P2KAH.UK
PLH-P2KAH1.UK
PUH-P•GAA.UK
PLH-P2.5KAH.UK
PLH-P2.5KAH1.UK
1.6V1.6Y
2.5V
Cool
4,350
1.77
0.14
0.62
35
7.68
Cool
4,350
1.77
0.14
0.62
19
2.58
Heat
4,950
(6,240)
1.81
(3.10)
0.09
<1.29>
0.43
<5.61>
35
7.92
Heat
4,950
(6,240)
1.81
(3.10)
0.09
<1.29>
0.43
<5.61>
19
2.66
2.5Y
Cool
6,250
2.59
0.13
0.59
34
4.65
Cool
6,250
2.59
0.13
0.59
74
12.42
Heat
7,250
(9,180)
2.52
(4.45)
0.09
<1.93>
0.43
<8.39>
34
4.50
Heat
7,250
(9,180)
2.52
(4.45)
0.09
<1.93>
0.43
<8.39>
74
12.01
2V
Cool
5,250
2.38
0.13
0.63
62
10.71
Heat
5,900
(7,190)
2.36
(3.65)
0.09
<1.29>
0.44
<5.61>
62
11.03
2Y
Cool
5,250
2.38
0.13
0.63
31
3.84
Heat
5,900
(7,190)
2.36
(3.65)
0.09
<1.29>
0.44
<5.61>
31
3.96
w( ) Shows the total rating.
< > Shows the only booster heater rating.
(In + Out)
(In + Out + Heater)
Service
Ref.
Indoor unit
Outdoor unit
Mode
Capacity (W)
Total Input (kW)
Input (kW)
Current (A)
Starting current (A)
Current (A)
Indoor unit
Outdoor unit
PLH-P1.6KAH.UK
PLH-P1.6KAH
1.UK
PLH-P2KAH.UK
PLH-P2KAH1.UK
PUH-P•GAA.UK
PLH-P2.5KAH.UK
PLH-P2.5KAH1.UK
1.6V1.6Y
2.5V
Cool
4,400
1.82
0.15
0.64
36
7.36
Cool
4,400
1.82
0.15
0.64
20
2.49
Heat
5,000
(6,400)
1.89
(3.29)
0.10
<1.40>
0.45
<5.83>
36
7.59
Heat
5,000
(6,400)
1.89
(3.29)
0.10
<1.40>
0.45
<5.83>
20
2.56
2.5Y
Cool
6,300
2.63
0.14
0.61
35
4.48
Cool
6,300
2.63
0.14
0.61
77
11.90
Heat
7,400
(9,500)
2.57
(4.67)
0.10
<2.10>
0.45
<8.75>
35
4.34
Heat
7,400
(9,500)
2.57
(4.67)
0.10
<2.10>
0.45
<8.75>
77
11.51
2V
Cool
5,300
2.44
0.14
0.65
62
10.26
Heat
5,950
(7,350)
2.40
(3.80)
0.10
<1.40>
0.45
<5.83>
62
10.57
2Y
Cool
5,300
2.44
0.14
0.65
31
3.70
Heat
5,950
(7,350)
2.40
(3.80)
0.10
<1.40>
0.45
<5.83>
31
3.82
w( ) Shows the total rating.
< > Shows the only booster heater rating.
(In + Out)
(In + Out + Heater)
Indoor unit …230V 50Hz Single phase Outdoor unit…230V 50Hz Single phase / 400V 50Hz 3 phases
Indoor unit …240V 50Hz Single phase Outdoor unit…240V 50Hz Single phase / 415V 50Hz 3 phases
30
Page 31
TotalElectrical circuitRefrigerant circuitIndoor side
Outdoor
side
Service Ref.
SHF
BF
V
A
MPa
MPa
°C
°C
°C
m
°C
°C
°C
°C
°C
Mode
Phase,Hz
Volts
Amperes
Discharge pressure
Suction pressure
Discharge temperature
Condensing temperature
Suction temperature
Ref. pipe length
Intake air temperature
Discharge air temperature
Intake air temperature
1/3 , 50
240/415
1/3 , 50
240/415
1/3 , 50
240/415
7.66/2.67
2.13
0.50
87.1
48.3
12
5
27
19
16.3
35
24
0.80
0.26
8.19/2.86
2.49
0.44
84.5
47
2
5
20
15
36.5
7
6
—
—
11.11/3.88
2.41
0.50
87.8
53.4
4.5
5
27
19
14.8
35
24
0.74
0.22
11.51/4.02
2.57
0.44
93.2
53
0.8
5
20
15
41.0
7
6
—
—
11.78/4.11
2.08
0.50
77.5
48.5
6.3
5
27
19
13.5
35
24
0.75
0.12
(21.2)
(5.1)
(22.7)
(4.3)
(24.6)
(5.1)
(26.2)
(4.5)
(21.7)
(5.1)
(kgf/F)
(kgf/F)
(25.4)
(4.5)
11.55/4.03
2.23
0.42
83.4
50
0.8
5
20
15
43.7
7
6
—
—
Indoor unit Service Ref.
PLH-P1.6KAH.UK
PLH-P1.6KAH.UK
PLH-P2KAH.UK
PLH-P2KAH.UK
PLH-P2.5KAH.UK
PLH-P2.5KAH.UK
Capacity
Input
W
kW
Cooling
4,400
1.86
Heating
5,000
1.93
Cooling
5,400
2.62
Heating
6,250
2.67
Cooling
6,300
2.77
Heating
7,400
2.64
D.B.
W.B.
D.B.
D.B.
W.B.
PUH-P1.6VGA
PUH-P1.6YGA
V
A
Phase,Hz
Volts
Amperes
1,50
240
1,50
240
1,50
240
0.640.450.650.450.610.45
Outdoor unit Service Ref.
PUH-P2VGA
PUH-P2YGA
PUH-P2.5VGA
PUH-P2.5YGA
4. STANDARD OPERATION DATA
The unit of pressure has been changed to Mpa based on international SI system.
The conversion factor is : 1(Mpa)=10.2(kgf/ff)
31
Page 32
Standard
High
ceiling
Air flow
Air speed
Coverage range
Air flow
Air speed
Coverage range
m
3
/min
m/sec.
m
m
3
/min
m/sec.
m
16.0
5.6
6.0
17.0
5.9
6.4
PLH-P1.6KAH.UK
PLH-P1.6KAH
1.UK
PLH-P2KAH.UK
PLH-P2KAH1.UK
PLH-P2.5KAH.UK
PLH-P2.5KAH1.UK
16.0
5.6
6.0
17.0
5.9
6.4
17.0
5.9
6.4
18.0
6.3
6.8
TotalElectrical circuitRefrigerant circuitIndoor side
Outdoor
side
Service Ref.
SHF
BF
V
A
MPa
MPa
°C
°C
°C
m
°C
°C
°C
°C
°C
Mode
Phase,Hz
Volts
Amperes
Discharge pressure
Suction pressure
Discharge temperature
Condensing temperature
Suction temperature
Ref. pipe length
Intake air temperature
Discharge air temperature
Intake air temperature
1/3 , 50
240/415
1/3 , 50
240/415
1/3 , 50
240/415
7.36/2.49
2.08
0.50
87.1
48.3
12
5
27
19
16.3
35
24
0.80
0.26
7.59/2.56
2.45
0.44
84.5
47
2
5
20
15
36.5
7
6
—
—
10.26/3.70
2.31
0.48
87.8
53.4
4.5
5
27
19
15.0
35
24
0.74
0.22
10.57/3.82
2.50
0.46
93.2
53
0.8
5
20
15
40.0
7
6
—
—
11.90/4.48
1.95
0.50
77.5
48.5
6.3
5
27
19
13.5
35
24
0.75
0.12
(19.9)
(5.1)
(22.5)
(4.3)
(23.6)
(4.9)
(25.5)
(4.7)
(21.2)
(5.1)
(kgf/F)
(kgf/F)
(25.0)
(4.5)
11.51/4.34
2.21
0.42
83.4
50
0.8
5
20
15
43.7
7
6
—
—
Indoor unit Service Ref.
PLH-P1.6KAH.UK
PLH-P1.6KAH
1.UK
PLH-P1.6KAH.UK
PLH-P1.6KAH
1.UK
PLH-P2KAH.UK
PLH-P2KAH
1.UK
PLH-P2KAH.UK
PLH-P2KAH
1.UK
PLH-P2.5KAH.UK
PLH-P2.5KAH
1.UK
PLH-P2.5KAH.UK
PLH-P2.5KAH
1.UK
Capacity
Input
W
kW
Cooling
4,400
1.82
Heating
5,000
1.89
Cooling
5,300
2.44
Heating
5,950
2.40
Cooling
6,300
2.63
Heating
7,400
2.57
D.B.
W.B.
D.B.
D.B.
W.B.
V
A
Phase,Hz
Volts
Amperes
1,50
240
1,50
240
1,50
240
0.640.450.650.450.610.45
Outdoor unit Service Ref.
PUH-P1.6VGAA.UK
PUH-P1.6YGAA.UK
PUH-P2VGAA.UK
PUH-P2YGAA.UK
PUH-P2.5VGAA.UK
PUH-P2.5YGAA.UK
The unit of pressure has been changed to Mpa based on international SI system.
The conversion factor is : 1(Mpa)=10.2(kgf/ff)
5. OUTLET AIR SPEED AND COVERAGE RANGE
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 the
furniture inside the room.
32
Page 33
6. NOISE CRITERION CURVES
Ambient temperature 27:
Test conditions are based on JIS Z8731
UNIT
1.5m
MICROPHONE
CEILING
Hi
Mi1
Mi2
Lo
SPL(dB)
37
35.5
34
32
PLH-P1.6KAH.UK
PLH-P1.6KAH
1.UK
NOTCH
PLH-P2KAH.UK
PLH-P2KAH
90
80
70
60
50
40
30
20
OCTAVE BAND SOUND PRESSURE LEVEL, dB re 0.002 MICRO BAR
10
1.UK
APPROXIMATE
THRESHOLD OF
REARING FOR
CONTINUOUS
NOISE
631252505001000 2000 4000 8000
BAND CENTER FREQUENCIES, Hz
LINE
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
SPL(dB)
PLH-P2.5KAH.UK
PLH-P2.5KAH
90
80
70
60
50
40
30
APPROXIMATE
20
THRESHOLD OF
REARING FOR
CONTINUOUS
OCTAVE BAND SOUND PRESSURE LEVEL, dB re 0.002 MICRO BAR
Leave space of 10~15mm between the
top surface of the unit and the ceiling slab.
Ceiling surface
4-Auto vanes
Intake grille opening/closing side
Vane motor
Decorative panel
Control wire entry
Refrigerant piping side
electric wire entry side
Power line entry
4125
Liquid pipe
Gas pipe
Optional high-efficiency filter
NOTE 1.The electrical parts box may be removed during servicing.
When connecting the power line and the control wire, provide
enough length to the electric wires.
NOTE 2.When installing the optional high-efficiency filter, the dimension
between the transom and ceiling shall be more than 440mm.
Also, when installing the optional fresh air intake casement or
the multi-functional casement, the dimension between the
transom and ceiling shall be more than 440mm.
(The optional high-efficiency filter can also be installed.)
Disconnect the connector then measure the resistance using a tester.
(Surrounding temperature 10:~30:)
Measure the resistance between the terminals using a tester.
(Surrounding temperature 20:)
Measure the resistance between the terminals using a tester.
(Surrounding temperature 20:)
Measure the resistance between the terminals using a tester.
Measure the resistance after 3 minutes have passed since the power supply was intercepted.
(Surrounding temperature 0:~60:)
Vane motor
Drain pump
Drain sensor
(Refer to the thermistor)
(Refer to the thermistor)
Room temperature
thermistor (TH1)
Pipe temperature
thermistor (TH2)
Condenser/Evaporator
temperature thermistor
(TH5)
1
2
Red
Red
1
2
3
Normal
4.3k"~9.6k"
Abnormal
Open or short
Abnormal
Open or short
Normal
0.6k"~6.0k"
NormalAbnormal
15k"Open or short
NormalAbnormal
290"Open or short
Measure the resistance between the terminals using a tester.
(Surrounding temperature 20:)
(1) Press the PUSH button.
(2) Open the intake grille 90°.
(3) Remove the chip.
(4) Slide the shaft in the hinge to the left and remove the
intake grille.
2. Removing the bell mouth.
(1) Open the intake grille.
(2) Remove the 4 screws of the bell mouth.
3. Removing the controller cover assy (electrical parts)
(1) Disconnect the lead wire of the vane motor from the clamp,
and disconnect the red connector (10P).
(2) Remove 2 of 4 screws from the bell mouth.
(3) Remove the bell mouth.
(4) Disconnect the following connectors from the box.
White (3P) for the fan motor
White (2P) for the pipe temperature thermistor (TH2)
Blue (2P) for the drain pump
White (3P) for the drain sensor
(5) Disconnect the blue ground wire of the controller cover assy.
(6) Remove 3 of 4 screws from the controller cover assy, and
loosen the other screw.
(7) Pull out the controller cover assy.
(Electrical parts inside the bell mouth)
Terminal block
power board
Indoor fan capacitor
Room temperature thermistor (TH1)
Indoor controller board
Relay
Figure 1
Photo 1
Photo 2
Photo 3
Nut
Screws
Relay
Fan guard
Radiator
aluminum cap
Be careful on removing heavy parts.
screws
Screws
Lead wire for
vane motor
Bell mouth
Clamp
Indoor
controller board
Screws
Connector
Terminal
block
Bell
mouth
4. Removing the fan motor
(1) Remove the turbo fan nut and radiator aluminum cap.
(2) Pull out the turbo fan.
(3) Disconnect the connector of the fan motor lead wire.
(4) Remove the 3 nuts of fan motor.
39
Connector
Photo 4
Power board
Connector
Screws
Fan motor
Nut
Room
temperature
thermistor (TH1)
Page 40
OPERATING PROCEDUREPHOTOS&ILLUSTRATIONS
5. Removing the room temperature thermistor
(1) Remove the bell mouth.
(2) Remove the holder and the room temperature thermistor
by pulling the catch.
(3) Disconnect the red connector, CN20, on the indoor con-
troller board.
6. Removing the pipe temperature thermistor and the
condenser / evaporator temperature thermistor.
(1) Remove the bell mouth.
(2) Remove the controller cover assy.
(3) Remove the turbo fan.
(4) Remove the screw of the service panel.
(5) Remove the service panel.
(6) Remove the pipe temperature thermistor(TH2) and
condenser / evaporator temperature thermistor(TH5)
from the holder.
(7) Disconnect the 2-pin white connector.
Photo 5
Room
temperature
thermistor
Photo 6
PIpe temperature thermistor(TH2)
Condenser/evaporator
temperature thermistor
(TH5)
Indoor controller board
7. Removing the panel
(1) Open the intake grille.
(2) Disconnect the connector the vane motor.
(3) Remove 4 screws of the panel.
(4) Pulling the temporary handing hook, remove the panel.
8. Removing the drain pan
(1) Remove the panel.
(2) Remove the rubber bushing.
(3) Drain the remaining water in the drain pan.
(4) Remove the bell mouth.
(5) Remove the controller cover assy.
(6) Remove the screw of the V.A. cover, and remove the V.A.
cover.
(7) Remove each screw of the corner supports 1, 2, and 3,
and remove the corner supports 1, 2 and 3.
(8) Pull out the drain pan.
wPull the left and right of the pan gradually.
Be careful not to crack or damage the pan.
Photo 7
screws
Panel
Photo 8
Corner
support 2
VAcover
Screw
Temporary hanging hook
Fan guard
Rubber
bush
Corner
support 3
screws
Temporary hanging hook
Screws
Corner
support 1
40
Page 41
OPERATING PROCEDUREPHOTOS&ILLUSTRATIONS
9. Removing the drain pump and drain sensor
(1) Remove the panel.
(2) Remove the bell mouth.
(3) Remove the controller cover assy.
(4) Remove the drain pan.
(5) Remove 4 screws of the drain pump.
(6) Pulling the clip of the drain hose, pull out the drain hose
from the drain pump.
(7) Remove the drain sensor and the holder.
(8) Pull out the drain pump.
10. Removing the heater
(1) Remove the panel.
(2) Remove the bell mouth.
(3) Remove the controller cover assy.
(4) Remove the drain pan.
(5) Remove the turbo fan.
(6) Remove the 5 screws of the heater assembly.
(7) Remove the clamp (1 screw) securing the lead wire.
(8) Pull the heater assembly out.
Photo 9
Clip
Screws
Photo 10
Drain hose
Drain pump
Lead wire clamp
Drain sensor
holder
11. Removing the heat exchanger
(1) Remove the panel.
(2) Remove the bell mouth.
(3) Remove the controller cover assy.
(4) Remove the drain pan.
(5) Remove the turbo fan.
(6) Remove the screw of the coil support A.
(7) Remove 2 screws of the coil support B.
(8) Remove 2 screws of the coil.
(9) Remove 4 screws of the piping cover of the outer wall,
and pull out the piping cover.
Heater
assembly
Photo 11
Photo 12
Piping
cover
Heater screws
Coil support A
Coil support B
Heat exchanger
Coil screws
Screws of piping
cover
41
Page 42
FILTER
CHECK MODE
TEST RUN
12PARTS LIST
ON/OFF
CENTRALLY CONTROLLED
ERROR CODE
CLOCK
ON OFF
˚C
CHECK
CHECK MODE
FILTER
TEST RUN
FUNCTION
˚C
1Hr.
NOT AVAILABLE
STAND BY
DEFROST
TEMP.
PANEL PARTS
PLH-P1.6KAH.UK, PLH-P2KAH.UK, PLH-P2.5KAH.UK
PLH-P1.6KAH1.UK, PLH-P2KAH1.UK, PLH-P2.5KAH1.UK
1
7
2
3
4
PLH-P1.6/2/2.5KAH.UK
PLH-P1.6/2/2.5KAH
6
5
1.UK
No.Part No.Part Name
1
S70 560 003
2
S70 29H 500
3
S70 29H 691
S70 E00 713
4
S70 E13 713
S70 58A 246
5
S70 29H 098
6
7
S70 29H 061
AIR OUTLET GRILLE
AIR FILTER
INTAKE GRILLE
REMOTE CONTROLLER
REMOTE CONTROLLER
CORD
GRILLE HANGER
HINGE
Specification
PAR-S27A-E
PAR-20MAA-E
Q'ty/set
PLH-P1.6/2/2.5
KAH.UK
1
1
1
KAH1.UK
1
1
1
1
1
1
1
2
1
1
2
42
Remarks
(Drawing No.)
Wiring
Diagram
Symbol
R.B
R.B
Recom-
mended
Q'ty
Unit
Price
Amount
Page 43
PANEL PARTS
PLH-P1.6KAH.UK, PLH-P2KAH.UK, PLH-P2.5KAH.UK
PLH-P1.6KAH1.UK, PLH-P2KAH1.UK, PLH-P2.5KAH1.UK
171
2
3
1
7
1
8
4
No.Part No.Part Name
1
S70 29H 002
2
S70 31H 063
3
S70 29H 223
4
S70 29H 041
5
S70 29H 040
6
S70 29H 056
7
S70 29H 063
8
S70 29H 085
AUTO VANE
SPRING JOINT 2
VANE MOTOR
GRILLE GEAR LEFT
GRILLE GEAR RIGHT
PUSH BUTTON
SPRING JOINT 1
AIR GUIDE
Specification
Q'ty/set
PLH-P1.6/2/2.5
KAH.UK
KAH1.UK
4
1
1
1
1
1
1
1
(Drawing No.)
4
1
1
1
1
1
1
1
5
Remarks
<3/SET>
Wiring
Diagram
Symbol
MV
Recom-
mended
Q'ty
7
6
Unit
Price
Amount
43
Page 44
FUNCTIONAL PARTS
PLH-P1.6KAH.UK, PLH-P2KAH.UK, PLH-P2.5KAH.UK
PLH-P1.6KAH1.UK, PLH-P2KAH1.UK, PLH-P2.5KAH1.UK
1
2
3
4
6
37
4
5
6
7
8
9
10
36
35
34
33
THERMAL
FUSE
32
THERMAL
31
SWITCH
CONDENSER
/ EVAPORATOR
30
TEMPERATURE
THERMISTOR
PIPE
29
TEMPERATURE
THERMISTOR
28
27
26
FUSE
11
12
13
14
15
25
24
23
22
21
20
19
18
16
17
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PLH-P·KAH.UK PLH-P·KAH1.UK
1.622.51.622.5
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MF
H1
H1
C
I.B
I.B
I.B
F1<P.B>
88H
TH1
P.B
TB4
TB5
TB2
DS
DP
TH2
TH5
26H
FS2
FS1
DRUM1 ASSY
MOTOR MOUNT
FAN MOTOR
LEG
DRUM2 ASSY
LEG
SPL WASHER
HEATER ELEMENT
HEATER ELEMENT
HEAT EXCHANGER
HEAT EXCHANGER
DRAIN PAN
CAPACITOR
CONTROL COVER ASSY
CONTROLLER BOARD
CONTROLLER BOARD
CONTROLLER BOARD
FUSE
RELAY
FAN GUARD
BELL MOUTH
ROOM TEMPERATURE THERMISTOR
POWER BOARD
TERMINAL BLOCK
TERMINAL BLOCK
TERMINAL BLOCK
DRAIN PLUG
CORNER COVER
SENSOR HOLDER
DRAIN SENSOR
DRAIN PUMP
DRAIN SOCKET
PIPE TEMPERATURE THERMISTOR
CONDENSER /
EVAPORATOR TEMPERATURE THERMISTOR
THERMAL SWITCH
THERMAL FUSE
THERMAL FUSE
INSULATOR
TURBO FAN
INNER COVER
BASE
DRAIN HOSE
Part numbers that is circled is not shown in the figure.
45
Page 46
13
28˚C
26
˚C
8:00
Normal
operation
23:00
Setback
operation
8:00
Normal
operation
OPTIONAL PARTS
1. TIMER
Part No.
Model Name
1-1 Program timer specifications
Part name
Parts No.
Exterior dimensions (inch)
Installation
Type of clock
Clock accuracy
Display-Time
-Week
-Timer setting unit
Program cycle
Timer setting unit
No. of set points
Power rating
PAC-SC32PTA (with set back function)
Program timer
Program timer
PAC-SC32PTA
5-4/32
✕4-23/32✕23/32 (130✕120✕18mm)
Wall mount
Quartz
+
_
50 second / month at 25:
Liquid crystal display
Liquid crystal display
Liquid crystal display
24 hours
30 minutes
48 / day
+
_
5V DC 5% (Supplied by Remote Controller)
1-2 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
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 right, 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.
46
Page 47
1-3 How to connect program timer
SET/MONITOR
SET
SMTWT FS
MONITOR
PROERAN TIMER
PAC-SC32PTA
TODAY
ON
WEEKLY
SETTING
OFF
ON
SET BACK
OFF
CLOCKDAILY TIMER
SET BACK
SET BACK
DAILY
SETTING
12 15 18 21 24
0361215
(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 5-wire cable as shown in the figure below
Connect to indoor unit
with 2-wire cable.
FILTER
CHECK MODE
TEST RUN
4
SET
MONITOR
SET/MONITOR
PROERAN TIMER
PAC-SC32PTA
SMTWTF S
WEEKLY
TODAY
SETTING
ON
CLOCKDAILY TIMER
OFF
SET BACK
0361215
12 15 18 21 24
SET BACK
DAILY
ON
SETTING
SET BACK
OFF
NOTE:While the program timer is connected to the remote controller, the
24hour ON/OFF timer on the remote controller will not operate.
Connect to CN1Connect to CN1
Use 5-wire cable
1-4 Names and functions
<PAC-SC32PTA>
WEEKLY TIMER SETTING DISPLAY
Used for selection of if or not the day operation pattern set by PATTERN SETTING is to
be applied in weekly day unit,
setting.
SET/MONITOR DISPLAY
During SET is display, clock adjustment,
change of weekly day, daily and weekly timer
setting can be performed.
During MONITOR is display, all switches
except SET/MONITOR SW are invalidated.
This is normal status.
WEEK DAY SETTING SW
Used for week day setting.
CURRENT TIME DISPLAY
During MONITOR status,current
time is display.
During Daily timer setting, a
time desire for timer setting is
displayed.
SET BACK DISPLAY
Indicates the setting set
back range.
DAILY TIMER SETTING DISPLAY
24 hours is divided into 48 blocks and each
block express 30 minutes.
The block display consists of 3 pattern.
Set back can be done in the range of 1,2,4,6
and 8°C.
SET BACK SETTING SW
Used for set back setting.
ON/SET BACK/OFF SW
Used to specify the time setting pattern.
DAILY TIMER SW
Used for timer setting in 30 minutes unit.
MODE SELECTOR SW
Using this switch select “MONITOR” or “SET”
Mode.
“MONITOR” :Indicates the current timer set-
“SET”: Set to “SET” mode for clock adjust-
ting. All switch expect MODE
SELECTOR SW are invalidated
then.This is the normal status.
ment, charge of week day, daily and
weekly timer setting.
CLOCK ADJUSTMENT SW
Used for adjustment of the current time.
Push SW to advance the time. Each time the button is
pushed the time advance by 1 minute, pushing continuously
advances by 1 minute at 0.5 second interval, and when the
lower digit of minute becomes 0 indication advances in 10 minutes unit.
SW is used for reversing the time. Each time the button is
pushed the time reverses by 1 minute, pushing continuously
reverses the time by 1 minute at 0.5 second interval, and when
the lower digit of minute becomes 0 indication reverses in 10
minutes unit.
47
WEEKLY TIMER SW
Used for setting timer in day of week unit.
Pushing SW moves the week day light
display in order of
S → M → T → W
enabling to set the week day.
HEAD OFFICE : MITSUBISHI DENKI BLDG., 2-2-3, MARUNOUCHI, CHIYODA-KU, TOKYO100-8310, JAPAN
cCopyright 2000 MITSUBISHI ELECTRIC ENGINEERING CO., LTD.
Distributed in Sep. 2001 No. OC235 REVISED EDITION-A 250
Issued in Nov. 2000 No. OC235 225
Made in Japan
New publication, effective Sep. 2001
Specifications subject to change without notice
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