Toyotomi TAN-28HIM User manual

CONTENTS

SPECIFICATION .................................................................... 1

FUNCTIONS .......................................................................... 3

SERVICE FUNCTION EXPLANATION .................................. 5

OPERATION DETAILS........................................................... 6

TROUBLESHOOTING GUIDE ............................................. 13

PERFORMANCE CURVE DIAGRAM ..................................20

ELECTRIC CIRCUIT DIAGRAM .......................................... 22

SCHEMATIC DIAGRAM

THERMISTOR RESISTANCE CHART .................................

EXPLODED VIEW (INDOOR UNIT) ....................................

EXPLODED VIEW (OUTDOOR UNIT) ................................

PARTS LIST (INDOOR UNIT) ..............................................

PARTS LIST (OUTDOOR UNIT) ..........................................

SERVICE MANUAL

ROOM AIR CONDITIONER

SPECIFICATION

– 1 –

TAG2-62HI

Unit

BTU/h

Cooling Capacity

INDOOR OUTDOOR

—

BTU/h

Heating Capacity —

L/h

phase

Moisture Removal —

Power source

Single

V230

Hz 50

OUTLET

Airflow Method

TOP VIEW

INTAKE

m/min

Air circulation (at High) Cooling ;

Heating ;

Electrical Data

Input

Running Current

Starting Current

Inner diameter

Length

—

8.0

7.0

A—

—

Cooling ;

Heating ;

9.7

8.0

Cooling ; 760

930

Heating ;

Cooling ; 970

960

Heating ;

inch

Piping Connection Port (Flare piping) L L

inch G G

inch

Pipe Size (Flare piping) inch

Drain hose

Height

Width

Depth

—

m—

Dimensions mm

Net Weight

; Half Union 1/4''

; Half Union 3/8''

L (liquid side) ; 1/4''

G (gas side) ; 3/8''

; 2-way valve 1/4''

; 3-way valve 3/8''

L (liquid side) ; 1/4''

G (gas side) ; 3/8''

9,500

19,000※

12,200

11,500

21,600※

12,500

0.7

8.2※

265

795

192

7.2

265

795

199

8.3

4.5 4.7

550

780

278

SIDE VIEW

TAN-28HIM TAN-32HIM

Cooling ; 1,810※

1,550※

Heating ;

Cooling ; 3.7

4.5

Heating ;

Cooling ; 4.7

4.7

Heating ;

Cooling ; 8.2※

7.0※

Heating ;

1.6

2.8※

2.2

※In case two indoor units are operating.

SPECIFICATION

– 2 –

TAG2-62HITAN-28HIM TAN-32HIM

Unit

Air Circulation

INDOOR OUTDOOR

Cross-flow Fan Propeller Fan

18.1FPI 16.9FPI

18 22 40

Induction (4-pole) Induction(6-pole)

Heat Exchanger 18.1FPI

Expansion Valve

Plate fin configuration,forced draft

Refrigerant Control Device

g (oz)

Refrigerant (R410A)

–

Thermostat

Air Filter

Parts Provided

Electronic Control

Type

Motor Type

Rated Output

–

1200 (42.3)

Mold-proof –

Specifications are subject to change without notice.

1 Mounting plate×2

Timer –

Real time dual ON/OFF

7-hour OFF

2 Remote controller×2

3 Battery (2 pcs.)×2

4 Remote controller holder×2

5 Screw cap (2 pcs.)×2

6 Drain elbow

7 Gum bushing (2 pcs.)

8 Air clean filter×2

Bamboo Charcoal/ Photo-catalytic anti-odor filter×1

Bio-photo Catalytic filter×1

– 3 –

FUNCTIONS

REMOTE-CONTROL TRANSMITTER

ON/OFF

Operation mode selection

COOL

DRY

HEAT

AUTOMATIC

CIRCULATION

Air flow selection

AUTOMATIC

HIGH

MEDIUM

LOW

Negative Ion

Room temperature setting

16°C〜30°C

Timer operation selection

CONTINUOUS operation

OFF

Sleep

Timer / time setting

Operation stops at the set time

(OFF timer)

Operation starts at the set time

(ON timer)

0.5 〜7.0hours(Sleep timer)

Air flow direction control

Auto angle selection

Auto swing mode

Manual mode

INDOOR UNIT

Sensing the room temperature

Room temperature sensor (thermistor)

Time delay safety control

Restarting is inhibited for approximately

3 minutes.

Indoor fan speed control

High, Med, Low

Operation indication lamps (LED)

ELECT (GREEN or RED)

Lights up green during operation.

Lights up red when negative ions are

generated.

TIMER (YELLOW)

Timer in operation

OPERATE (GREEN)

Outdoor unit operate

Dry operation mode

Automatic fan speed control

Room temperature control

Maintains the room temperature in

accordance with the setting temperature.

Deice (defrost) control

Deicing operation automatically starts

when the heating efficiency is declined by

the ice formed in the outdoor unit.

After deicing operation, heating operation

automatically starts with “Hot start

function.”

– 4 –

FUNCTIONS

Hot-start control (heating)

The indoor fan stops until the evaporator

piping temperature will be reached.

Overload protection

Anti-freezing control for the

evaporator

Compressor will be stopped when the

evapolator’s piping temperature is below

2°C for one minute.

Compressor will be restarted when the

evaporator’s piping temperature is above

2°C.

Airflow direction control

When ON/OFF BUTTON is pressed, the

vertical louver will move to the adequate

positions for each operation automatically.

Manual operation.

The louver starts vertical swing with a

push of the LOUVER BUTTON. Push the

LOUVER BUTTON once again to stop

the louver at the desired position while

swinging.

Auto recovery function

If there is any power failure during

operation, operation status before power

failure is memorized.

3〜4 minutes after power recovery, the

unit restarts automatically with previous

operation status memorized.

(3 〜4 minutes is protective time for

compressor.)

Attention

Because of Auto recovery function, if

shutting off the power supply during

operation, the unit may restart

irrespective your intention when turning

on the power supply next time.

If the unit is not to be used for a long

time, shut off the power supply after

terminating all operation with remote

controller.

OUTDOOR UNIT

Compressor overload protector

When overheating of the compressor is

detected, protector (OHR) stops the

operation of the compressor.

When high current supplied to the

compressor is detected, the main

controller stops the operaiton of outdoor

unit including compressor

3 min. forced operation control

Once the compressor is activated, it does

not stop for 3 minutes.

In case of termination of this operation,

push the ON/OFF button on remote

controller.

Inverter control

Inverter control reduce the ON/OFF times

of compressor, so can keep the room

temperature changeless during

operation.

Electricity consumption

Inverter control can operate with less

electricity consumption than normal air

conditioner.

– 5 –

SERVICE FUNCTION EXPLANATION

Emergency Operation

• Use this operation only when the remote controller is out of order or lost.

•When the emergency operation switch is pressed, beep starts once, which

means the start of this operation.

• In this operation, the system automatically selects the operation modes, cooling

(or heating when available) according to the room temperature, as follows.

• It is not possible to operate in dry mode.

Test Operation

Test operation switch is same as emergency one.

• Use this operation only for testing the performance of the machine in the condition

where the room temperature is less than 16°C.

• Continue to press the test operation switch for more than 5 seconds.

After you hear twice beep, release your finger from the switch: the cooling

operation starts with the air flow speed “HI.”

• If the test operation switch is pressed more than 10 seconds, it doesn’t work.

• After 30 minutes, test operation ends automatically.

When two indoor units used in the same room, interference of the signals may happen. To avoid this, alternative

signal model B can be selected by the following. (Ex-factory setting is mode A)

• Remote controller side : Have “J1” on the PC board short-circuited by soldering.

• Indoor unit side : Cut “R13” on the PC board.

(Each Operations Details)

EMERGENCY AND TEST OPERATION

Beep

Twice beep

Receive

Ex-factory setting (Mode A) Ex-factory setting (Mode A)

Cut R13 on the PC board (Mode B)

Have "J1"on the PC

board short-circuited

by soldering (Mode B)

Receive

Not receive

Soldering

Temperature

ABOVE 23°C

BELOW 23°C

COOLING

HEATING

26°C

23°C

CONTINUOUS

AUTOMATIC

Operation

mode Designated

temperature Timer mode Air flow

HOW TO RELEASE EMERGENCY AND TEST OPERATION

INTERFERENCE PREVENTION OF SIGNALS FROM THE REMOTE CONTROLLERS

• In case of releasing during those operations, you can either push emergency operation switch once more or

apply operation using remote control.

You will hear a beep sound and emergency/ test operation is released.

• If you release the operation by remote control, operation will continue as setting of the remote control

automatically.

– 6 –

OPERATION DETAILS

TIMER OPERATION

ON Timer operation

•Press the ON/OFF switch. Right after replacing new batteries, set the present time in advance.

•Set the “ON Time” : Press the “TIME ADJ” button twice.

Adjust the time with the “ , ” button.

Press the “TIME ADJ” button twice.The setting of “ON Time” is completed and the present time appears on the

LCD.

•Set the “ON Timer” : Press the Timer fixing button “ON”.

OFF Timer operation

•Press the ON/OFF switch. Right after replacing new batteries, set the present time in advance.

•Set the “OFF Time” : Press the “TIME ADJ” button 3 times.

Adjust the time with the “ , ” button.

Press the “TIME ADJ” button once.The setting of “OFF Time” is completed and the present time appears on the

LCD.

•Set the “OFF Timer” : Press the Timer fixing button “OFF”.

Sleep Timer operation

•Press the “SLEEP” button during the operation.

•Set the operating period by pressing the “SLEEP” button until the period designated appears on the LCD.

Timer Cancellation

•ON/OFF Timer : Press the Timer fixing button “ON”(On Timer) and/or “OFF”(Off Timer) once again.

•Sleep Timer : Press the “SLEEP” button until the operating period on the LCD disappears.

AIRFLOW DIRECTION CONTROL

Vertical adjustment

When ON/OFF switch is pressed, the vertical louver will move to the adequate positions for each operation

automatically.

Swing of air flow

If air flow direction switch is pressed once, the vertical louver will move within the range of figures.

Fixing the flow direction

If air flow direction switch is pressed again, the vertical louver will be fixed and that position is memorized.

From the next operation the louver will be set at previous position automatically.

Notes :

•In Swing Mode, the louver automatically moves up and down within the certain range, as the illustration below.

•There is two different ranges of louver swinging; one is of cooling & dry mode operation and the other is of

heating operation.

Level

Approx.10 degrees

Approx.65 degrees

Standard Position

Approx.10

Approx.50

Approx.65

(Cooling/Dry)

(Heating)

degrees

Level

Swing of Air Flow

Cooling

Dry

Heating

– 7 –

OPERATION DETAILS

TIME DELAY SAFETY CONTROL FUNCTION - FOR PROTECTION OF COMPRESSOR

•Compressor will not restart, in any operation modes, for 3 minutes after its stop.

•Compressor does not stop during the first 2 minutes of its operation even if the room temperature reaches to

the designated temperature, except changing setting temperature.

TAN-28HIM

TAN-32HIM

one indoor unit operation

★1

50.0Hz

60.0Hz

★2

20.0Hz

two indoor units operation 85.3Hz 20.0Hz

-1˚C

MAX MAX

★1★1

MIN★2MIN★2

-0.3˚C

0Hz

Frequency of

Designated

compressor

temperature

Room temperature

COOLING MODE OPERATION

•The compressor will stop when operational frequency reached the minimum frequency and that condition has

been kept for 2 minutes and the room temperature becomes 1°C lower than it was set.

•When two indoor units are operating simultaneously, even if only another room temperature reachs the designated

temperature, the compressor does not stop.

The expansion valve of another cycle is closed completely to stop refrigerant flow.

•The compressor will re-start when room temperature becomes 0°C higher than it was set.

– 8 –

OPERATION DETAILS

DRY MODE OPERATION

•Compressor stops when the room temperature fall to 0.3°C lower than the designated temperature

continuously for 2 minutes.

•Compressor restarts when room temperature rises to the designated temperature.

•The operating frequency of the compressor is determined according to the room temperature

(see the diagram below).

TAN-28HIM

TAN-32HIM

one indoor unit operation

★1

50.0Hz

60.0Hz

★2

20.0Hz

two indoor units operation 85.3Hz 20.0Hz

Indoor fan Selected

speed Selected speedstop

3min.

Super

low

MAX MAX

Frequency of

compressor

Designated

temperature

Room temperature

★1★1

MIN★2MIN★2

-1˚C

-0.3˚C

– 9 –

OPERATION DETAILS

TAN-28HIM

TAN-32HIM

one indoor unit operation

★1★2

two indoor units operation

60.0Hz

70.0Hz

20.0Hz

85.3Hz 20.0Hz

20sec.

+4.0

MAX

★1

MAX

★1

MIN★2MIN★2

+5.0

0Hz

Super

Low

Frequency of

compressor

Designate Fan blowLow Super lowLow Low Designated Fan blow

Designated

temperature

Room temperature

Stop

Temperature,

indoor heat

exchanger

Indoor fan

35˚C

30˚C

15˚C

HEATING MODE OPERATION

•The compressor will stop when operational frequency reached the minimum frequency and that condition has

been kept for 2 minutes and the room temperature becomes 5.0°C higher than it was set.

•When two indoor units are operating simultaneously, even if only another room temperature reachs the designated

temperature, the compressor does not stop.

•The compressor will re-start when room temperature becomes 4.0°C higher than it was set.

NOTICE

Warm air comes out from one of the indoor units during circulation or negative ion mode when the other indoor

unit is in heating operation.

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