Fujitsu AR-90T User manual

HIGH STATIC PRESSURE

DUCT TYPE AIR CONDITIONER

TECHNICAL MANUAL

AR90

– 1 –

CONTENTS

1. FEATURES........................................................................ 2

2. DIMENSIONS.................................................................... 4

3.WIRING DIAGRAM............................................................ 6

4. PERFORMANCE DATA..................................................... 9

5. OPERATION DETAILS .................................................... 11

6. INSTALLATION INSTRUCTIONS.................................... 12

7. SPECIFICATIONS........................................................... 13

– 2 –

1. FEATURES

●High static pressure

• Recommended external static pressure is 200Pa (Max. 300Pa).

●Functional LCD wired remote controller (See the next page for details.)

• Weekly timer

Air conditioner ON/OFF can be set for one whole week, including 2 times a day.

• Auto restart function in case of power failure

• Zone control

Only preset air conditioners can be stopped by pressing the ZONE CONTROL button.

●Energy saving operation

• ENERGY SAVE mode uses a computer program to economically control unit operation by

raising the set temperature slightly in the cooling mode and lowering the set temperature in the

heating mode.

●Pipe length up to 50m with height differential up to 30m

●Easy maintenance

• Fan motor maintenance

Fan motor maintenance can be performed from top, bottom, right side, or left side. (Fig. 1)

Fan motor hooks to the panel and is safe and easy to mount and dismount. (Fig. 2)

●Remote sensor unit (Option)

• Temperature sensor unit to be placed in the room

TOP ACCESS

BOTTOM ACCESS

SIDE ACCESS

(BOTH SIDES)

Fig. 1

PILOT PLATE MOTOR

Fig. 2

– 3 –

REMOTE CONTROLLER

WIRE REMOTE CONTROLLER WITH WEEKLY TIMER

Three kinds of timer setup (OFF/ON/WEEKLY) are possible.

Function of weekly timer

• Setting of different on-off time by day

• Setting of set on-off time twice a day

• Setting of time in 5 minute steps

• Timer operation of a reserved day can be temporarily cancelled by pushing the “DAY OFF” button.

• Time setting can be left until the next day.

FEATURES

Display panel

COOL

FAN

HEAT

TEMP.

DEFROST TEST

DAY

DAY OFF

CLOCK

OFF

NEXT DAY

TIMER

NON STOP

OFFON

WEEKLY

TIMER

LOW

MED

HIGH

AUTO

2019

1615

MASTER

CONTROL

FAN

CONTROL

TIMER

MODE

DAY CODE

REMOTE CONTROLLER WITH WEEKLY TIMER

MON 2

TUE 3

WED 4

THU 5

FRI 6

SAT

TEMP./DAY

ZONE

ENERGY SAVE

SET TIME

CLOCK ADJUST

START/STOP

SET

DAY OFF

Display

MASTER

CONTROL

FAN

CONTROL

TIMER

MODE

DAY CODE

REMOTE CONTROLLER WITH WEEKLY TIMER

MON 2

TUE 3

WED 4

THU 5

FRI 6

SAT

TEMP./DAY

ZONE

ENERGY SAVE

SET TIME

CLOCK ADJUST

START/STOP

SET

DAY OFF

1 START/STOP Button

Pressed to start and stop operation.

2 OPERATION Lamp

Lights during operation and when the timer is on.

3 DAY OFF Button

Temporary cancellation of one day timer

4 ENERGY SAVE Button

Turns energy save mode on and off.

5 ENERGY SAVE Button

Lights when the unit is in the energy save mode.

6 SET Button

Sets the date, hour, minute and on-off time.

7 ZONE Button

Use to turn zone control on and off.

8 ZONE Lamp

Lights when the unit is in the zone control mode.

9 CLOCK ADJUST Button

10 TIMER MODE Button

Changes the timer mode (NON STOP, OFF TIMER,

ON TIMER, WEEKLY TIMER).

11 SET TIME Button

Sets the current time and on-off time.

12 TEMP./DAY Button

Sets the indoor temperature / day.

13 FAN CONTROL Button

14 MASTER CONTROL Button

Selects the operating mode

(HEAT, FAN, COOL).

15 Clock Display

16 Set Temperature / Day Display (TEMP./DAY)

17 Operation Mode Display

18 Timer Mode Display

19 Fan Speed Display

20 DEFROST Display

21 TEST Display

#NOTE :

This model does not have a fan speed function.

– 4 –

■INDOOR UNIT

(Unit : mm)

2. DIMENSIONS

■OUTDOOR UNIT

1,550

1,410

660

700

600

450

650

1,300 650

1,380

●SAMPLE INSTALLATION

– 5 –

(Unit : mm)

HOOK METAL

CONTROL BOX

SAFETY DRAIN PORT

AIR FLOW OUTLET AIR FLOW INLET

COUPLING PIPE

MAIN DRAIN PORT

38.1 (DRAIN PIPE)

LIQUID : 12.7 FLARE

GAS : 28.58 FLANGE

1,550 (MAXIMUM)

1,450

713 (MAXIMUM)

600

450

25.4 (SAFETY DRAIN)

– 6 –

3.WIRING DIAGRAM

1 2

CN. 8

1 2

CN. 6

(DRAIN PUMP)

BLACK

THERMISTOR

(ROOM TEMP.)

TO REMOTE

CONTROL UNIT

CONTROL

BOARD

FILTER

BOARD

FAN

MOTOR

MAGNETIC RELAY

CR COMPOSITE

TERMINAL

THERMISTOR

(PIPE TEMP.)

1 2

CN. 7

GRAY

2 31

CN. 15

(FLOAT SWITCH)

3514 35

CN. 5

2 31 2 31

CN. 1

2 13 2 13

CN. 17

RED

WHITE

BLACK

WHITE

FUSE

T3.15A 250V

F101

BLACK

GREEN

WHITE

RED

BLACK

BLUE

WHITE

RED

BLACK

BLUE

THERMAL

PROTECTOR

PURPLE

BLUE

123

TO OUTDOOR

UNIT

TERMINAL

RED

WHITE

BLACK

(N)

TO POWER

TERMINAL

BLACK

WHITE

RED

TSR

3 2 1 4 5 6

Models : AR 90T

AR 90E

Note : Y : Europe version

T : Australia version

– 7 –

CN. 10

COMPRESSOR A

THERMISTOR

(DISCHARGE TEMP.)

THERMISTOR

(OUTDOOR TEMP.)

INTERNAL

OVERLOAD

PROTECTOR

WVU32

A2TSR31

BLACK

WHITE

BLACK

PURPLE

BLUE

BLACK

RED

BLACK

RED

MAGNETIC RELAY A

CR COMPOSITE

WHITE

BLACK

PURPLE

COMPRESSOR B

POWER

RELAY B

PRINTED

CIRCUIT

BOARD

EXPANSION

VALVE COIL

INTERNAL

OVERLOAD

PROTECTOR

WVU32

A1TSR31

BLACK

WHITE

BLACK

GREEN

WHITE

RED

BLACK

RED

BELT HEATER B

BELT

HEATER A

MAGNETIC RELAY B

FAN MOTOR A

FAN

CAPACITOR

PRESSURE SWITCH

EARTH

CR COMPOSITE

POWER

RELAY A

WHITE

RED

BLACK

PURPLE

CN. 9

RED

BROWN

BLUE

ORANGE

YELLOW

WHITE

CN. 11

CN. 16

345

CN. 18

CN. 6

CN. 4

CN. 13

CN. 7

BLACK

23 RSTN

BLUE

RED

WHITE

BLACK

YELLOW

PINK

GREEN/YELLOW

FAN MOTOR B

FAN

CAPACITOR

CN. 3

345

BLUE

RED

WHITE

BLACK

YELLOW

W1 RED

BLACK

PINK

RED

EARTH

POWERUNIT

TERMINAL

GREEN/YELLOW

PINK

BLUE

Model : AO 90EP

– 8 –

CN. 10

COMPRESSOR A

THERMISTOR

(DISCHARGE TEMP.)

THERMISTOR

(OUTDOOR TEMP.)

INTERNAL

OVERLOAD

PROTECTOR

WVU32

A2TSR31

BLACK

WHITE

BLACK

PURPLE

BLUE

BLACK

RED

BLACK

RED

MAGNETIC RELAY A

CR COMPOSITE

WHITE

BLACK

PURPLE

COMPRESSOR B

POWER

RELAY B

PRINTED

CIRCUIT

BOARD

EXPANSION

VALVE COIL

INTERNAL

OVERLOAD

PROTECTOR

WVU32

A1TSR31

BLACK

WHITE

BLACK

THERMISTOR

(PIPE TEMP.)

BROWN

GREEN

WHITE

RED

BLACK

RED

BELT HEATER B

BELT

HEATER A

MAGNETIC RELAY B

FAN MOTOR A

FAN

CAPACITOR

PRESSURE SWITCH

SOLENOID COIL

EARTH

CR COMPOSITE

POWER

RELAY A

WHITE

RED

BLACK

PURPLE

CN. 9

RED

BROWN

BLUE

ORANGE

YELLOW

WHITE

CN. 11

CN. 16

345

CN. 18

CN. 6

CN. 4

CN. 13

CN. 7

BLACK

23 RSTN

4WV

BLUE

RED

WHITE

BLACK

YELLOW

PINK

BLACK

GREEN/YELLOW

FAN MOTOR B

FAN

CAPACITOR

CN. 3

345

BLUE

RED

WHITE

BLACK

YELLOW

W1 RED

BLACK

PINK

RED

EARTH

POWERUNIT

TERMINAL

GREEN/YELLOW

PINK

BLUE

Model : AO 90TP

– 9 –

4. PERFORMANCE DATA

120 COOLING

110

100

80 19/13

23/16.5

27/19

19/13

31/22.5

23/16.5

27/19

31/22.5

Indoor

DB/WB (°C)

0 5 10 15 20 25 30 35 40 45 50

100

110

Total input (%)

Outdoor DB (°C)

Capacity (%)

120 COOLING

110

100

80 19/13

23/16.5

27/19

19/13

31/22.5

23/16.5

27/19

31/22.5

Indoor

DB/WB (°C)

0 5 10 15 20 25 30 35 40 45 50

100

110

Total input (%)

Outdoor DB (°C)

Capacity (%)

120 HEATING

110

100

Indoor

DB (°C)

-5 0 5 10 15 20

//////

-6 -2 3 7.5 12 17.5

100

110

Total input (%)

Outdoor DB (°C)

Capacity (%)

■COOLING MODEL

■REVERSE MODEL

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