Turbo Air TD-4R, TD-5R Service Manual

CAUTION!

PLEASE KEEP POWER

SWITCH ON BEFORE

OPERATING THIS EQUIPMENT

Turbo Air Speed up the Pace of Innovation

Display Cases
Deli Cases
Service Manual

Please read this manual completely before attempting to install or operate this equipment!

TD-4R
TD-5R

www.turboairinc.com

TABLE OF CONTENTS

1. FEATURE CHART

1-1. FRONT VIEW
1-2. SIDE VIEW
1-3. REAR VIEW

2. WIRING DIAGRAM

2-1. REFRIGERATOR

3. PART DETAILS

3-1. SIDE GLASS PART
3-2. FRONT GLASS PART
3-3. WIRE SHELF LATHE PART
3-4. LAMP ASSY
3-5. FRONT MOTOR PART
3-6. FRONT GASKET PART
3-7. REFRIGERATION COMPARTMENT
3-8. COOLING COMPARTMENT
3-9. CONTROL BACK
3-10. WIRE DIAGRAM AREA
3-11. BACK DOOR

4. MAIN COMPONENTS

4-1. COMPRESSOR
4-2. LIQUID LINE FILTER
4-3. EVAP & COND FAN MOTOR
4-4. CONDENSER FAN BLADE
4-5. EVAP FAN BLADE
4-6. POWER SWITCH
4-7. CONDENSER REMOVE
4-8. BALLAST F LAMP
4-9. FLUORESCENT LAMP
4-10. LAMP SOCKET
4-11. MAIN PCB
4-12. DISPLAY PCB
4-13. TRANS FORMER

5. ELECTRONIC CONTROL INSTRUCTIONS

5-1. REFRIGERATOR CONTROL
5-1-1. HOW TO USE THE DISPLAY PCB PANEL
5-1-2. ERROR CODE
5-1-3. FUNCTION TABLE

6. TROUBLE SHOOTING CHART

6-1. THE REFRIGERATOR DOES NOT COOLING
6-2. THE REFRIGERATOR DOES NOT COOLING WELL
6-3. LAMP DOES NOT LIGHT WELL
6-4. WHEN THERE IS A EXCESSIVE NOISE

7. REFRIGERANT CYCLE DIAGRAM

8. REPLACEMENT OF MAIN COMPONENTS

8-1. END GLASS PART
8-2. FRONT GLASS PART
8-3. LATHE TOP COVER PART
8-4. WIRE SHELF LATHE PART
8-5. FRONT MOTOR PART
8-6. FRONT GLASS PART
8-7. REFRIGERATION COMPARTMENT
8-8. COOL COMPARTMENT
8-9. CONTROL BACK PART
8-10. MAIN WIRING PART

9. PART LIST

1. FEATURE CHART

1-1. FRONT VIEW

1. WIRE SHELF TOP ASSY (LAMP IS BUILT IN FOOD ZONE)

2. WIRE SHELF LOWER ASSY (LAMP IS BUILT IN FOOD ZONE)

3. FLUORESCENT TUBE

4. FLUORESCENT LAMP

5. LEG BOLT

1-2. SIDE VIEW

1. LAMP SOCKET

2. LAMP SOCKET COVER

3. WIRE SHELF LAT SHOT ASSY

4. PLATE SHELF ASSY

5. ARCYLE COVER C

6. LATHE TOP COVER ASSY

7. COVER FRAME L (R)

8. WIRE SHELF LAT LARGE ASSY

9. THERMISTER ASSY

10. EVAP COIL ASSY

11. CONDENSER ASSY

12. COND PAN MOTOR ASSY

13. COND PAN BLADE

14. LIQUID LINE FILTER

15. COMPRESSOR

16. SUCTION LINE

17. FRONT FAN BLADE

18. FRONT FAN MOTOR

19. EVAP FAN MOTOR

20. EVAP FAN BLADE

21. DISPLAY PAN

22. END GLASS

23. SIDE GLASS GASKET

24. SIDE GLASS SASH

25. FRONT GLASS

1-3. REAR VIEW

1. BACK DOOR FRAME SASH A

2. TOP COVER FRAME

3. BACK DOOR RIGHT ASSY

4. BACK DOOR FRAME SASH B

5. CONTROL AREA

6. POWER SWITCH

7. MAIN PCB ASSY

8. TRANS FORMER

9. DISPLAY PCB

10. UNIT AREA

11. COMP ELECTR BOX

12. BALLAST F LAMP

13. CONDENSER REMOVE

14. DRAIN HOSE

15. WIRE JOINT AREA

16. BACK DOOR LEFT ASSY

2. WIRING DIAGRAM

2-1. REFRIGERATOR

2-2. DRY CASE

COPPER ALUMINUM CONDUCTOR ONLY

COPPER ALUMINUM CONDUCTOR ONLY

3. PART DETAILS

3-1. SIDE GLASS PART

WIRE SHELF LATHE
MID ASSY

END GLASS
GASKET

SIDE PANEL END GLASS END GLASS SASH

3-2. FRONT GLASS PART

TOP GLASS
CLAMP A(B)

FRONT PANEL

3-3. WIRE SHELF LATHE PART

LATHE TOP
COVER ASSY

WIRE SHELF LATHE
SHOT ASSY

WIRE SHELF LATHE
MID ASSY

WIRE SHELF LATHE
LARGE ASSY

3-4. LAMP ASSY

WIRE SHELF
LATHE PART

(BACK)

LAMP SOCKET

CLAMPER

LAMP SOCKET
COVER

FLUORESCENT
LAMP

LAMP SOCKET

3-5. FRONT MOTOR PART

FAN MOTOR (9W)

MOTOR BRACKET

FAN BLADE (Ø200)

3-6. FRONT GASKET PART

FRONT GASKET

FRONT GASKET SASH

COMPRESSOR

SVC VALVE

3-7. REFRIGERATION COMPARTMENT
CONDENSING UNIT

FAN MOTOR (9W)

CONDENSER

FAN BLADE (Ø250)

EXPANSION

VALV E

LIQUID LINE FILTER

3-8. COOLING COMPARTMENT

EVAP COIL

FAN BLADE (Ø200)

FAN MOTOR (9W)

3-9. CONTROL BACK

DISPLAY

POWER SWITCH

LIGHTS SWITCH

INLAY PCB

TRANSFORMER

DISPLAY PCB & MAIN PCB

DISPLAY PCB

MAIN PCB

3-10 WIRING AREA

BALLAST F LAMP CONDENSER REMOVE

DRAIN HOSE

COMPRESSOR
ELECT BOX

3-11. BACK DOOR

BACK DOOR LEFT BACK DOOR RIGHT

JOINT BOX

DOOR SASH

GLASS

4. MAIN COMPONENTS

4-1. COMPRESSOR

MODEL

REFRIGERANT

VOLTAGE

COMP MODEL

PART CODE

STARTING TYPE

4-2. LIQUID LINE FILTER

MODEL

REFRIGERANT

PRESSURE

MODEL

PART CODE

TD-4R TD-5R

R-134A

115V / 60HZ

CAJ4476Y (AKA4476YXA)

BS1C001

CSIR

TD-4R TD-5R

R-134A

MIN 610 PSIG

SMGT-7

BS1O300

4-3. CAPILLARY TUBE

MODEL

REFRIGERANT

OD,S

MODEL

PART CODE

4-4. EVAP & CON’D FAN MOTOR

MODEL

REFRIGERANT

MODEL

PART CODE

TYPE

TD-4R TD-5R

R-134A

OD3.4XID2.2X3300MM

BS1W115B(D)

TD-4R TD-5R

R-134A

SC-045

BS1C136

CCW

4-5. CONDENSER FAN BLADE

MODEL

METAL

SPEC

PART CODE

TYPE

4-6. EVAP FAN BLADE

MODEL

METAL

SPEC

PART CODE

TYPE

4-7. POWER SWITCH

TD-4R TD-5R

AL

Ø250 4B

BS1Z149

CCW

TD-4R TD-5R

AL

Ø200 5B

BS1Z148

CCW

MODEL

MARKED

RATING

PART CODE

TD-4R TD-5R

“I” AND “O”

125V, 20FLA, 3/4HP

BS10300

4-8. BALLAST F LAMP

MODEL

RATING

MODEL

PART CODE

4-9. FLUORESCENT LAMP

MODEL

RATING

MODEL

PART CODE

4-10. LAMP SOCKET

MODEL

TD-4R TD-5R

120V, 114W

LA432I120EN

BS1C149

TD-4R TD-5R

30W

TL-D30W

BS10303

TD-4R TD-5R

32W

FLR32SS

BS10305

RATING

PART CODE

4-11. MAIN PCB

MODEL

RATING

PART CODE

4-12. DISPLAY PCB

MODEL

RATING

PART CODE

250VAC, 2A

JS-214, JS-215

TD-4R TD-5R

115V, 60HZ

BS1X154A

TD-4R TD-5R

115V, 60HZ

BS1X174A

4-13. TRANS FORMER

MODEL

RATING

MODEL

PART CODE

4-14. GAS SPRING

MODEL

SPEC

PART CODE

4-15. SERVICE VALVE

MODEL

SPEC

TD-4R TD-5R

AC120V, DC12V

EP-0301D

BS1R100

TD-4R TD-5R

550N

BS10308

TD-4R TD-5R

3/8”

770N

BS10310

PART CODE

BS1C001

5. ELEC’T CONTROL INSTRUCTIONS

5-1. REFRIGERATOR CONTROL

5-1-1. HOW TO USE THE DISPLAY PCB PANEL

- LED

- It indicates setting temperature.

- Temperature can be controlled by the user

- Factory setting is level “normal” setting can
be changed by pressing up/down button.

5-1-2. ERROR CODE

CODE

CONTENT

PERCEPTION METHOD REFRIGERATION STATE

OPEN

TE

T-SENSOR

SHORT

OPEN

CE

C-SENSOR

SHORT

OPEN

SHORT

CE

T-SENSOR

C-SENSOR

- NORMAL OPERATION

- TIME CONTROL
COMP ON : 10 MINUTES
COMP OFF : 10 MINUTES

- KEEP A NORMAL OPERATION

- NORMAL OPERATION

- TIME CONTROL
COMP ON : 10 MINUTES
COMP OFF : 10 MINUTES

5-1-3. FUNCTION TABLE

NO

1

TEMPERATURE

2

FUNCTION

OPERATION

CONTROL

CONTROLLED

PA RT

COMPRESSOR

LED

DESCRIPTION

1. Led displays inside temperaturer

2. Begins to run immediately if higher than
41˚F and begin to run after 5 minutes pause
if lower than 41˚F

1. The Temperature can be changes by
pushing up/down buttons.

2. LED displays inside temperature.

3. Buzzer buzzes 1 time whenever a button
is pressed.

4. Compressor automatically turns on and
o by C-sensor (except error mode)

5. Comp on/o temperature (˚F)

NOTCH

1 (COOL)

(NORMAL)

3

COMP ON COMP OFF SETTING BAR DISPLAY

55˚F

2

4

48˚F

46˚F

43˚F

32˚F

28˚F

25˚F

23˚F

1 (COOL)

2
3

(NORMAL)
4
5 (COLD)

3 DEFROST

MICOM

PROGRAM

5 (COLD)

39˚F

21˚F

6. TROUBLE SHOOTING CHART

6-1. THE REFRIGERATOR DOES NOT COOLING

DOES THE

COMPRESSOR

RUN NORMALLY?

YES

IS THERE A DEFECT

ON WELDING POINT

OF COOLING CYCLE?

NO NO

YES

NO

DOES THE

RATED VOLTAGE

SUPPLY?

NO

CHECK CONTINUITY

POWER CORD

YES

DOES THE

COMPRESSOR RUN

NORMALLY AFTER SHORT

CIRCUIT THE DISPLAY?

YES

NO

DEFECTIVE

MAIN PCB &

THERMISTOR

CHECK TO SEE IF THE

ELECTRICITY BOTH POLES

ON THE OVERLOAD

GLOE WITHOUT

PROBLEM

NO

YESYES

LEAKAGE OF

REFRIGERANT

EXPANSION

VALVE CLOGGED

DEFECTIVE

POWER CORD

DOES THE ELECTRICITY

FUSE FLOW?

YES YES

DOEW THE ELECTRICITY

ON RELAY FLOW?

DEFECTIVE RELAY

DEFECTIVE WIRING DEFECTIVE CAPACITOR

DEFECTIVE

OVERLOAD

NO

6-2. THE REFRIGERATOR DOES NOT COOLING WELL

CHECK TO SEE

WHETHER SYSTEM

DOES NOT WORK OR

STOP FREQUENTLY

YES

DEFECTIVE

PCB AND

THERMISTER

NO

CHECK TO SEE IF

THE REFRIGERANT

LEAKAGE

NO

CHECK TO SEE IF

THE FRONT GASKET

LEAKAGE

NO

CHECK TO SEE IF

THE LOCATION OF

SETTING IS NORMAL

NO

YES

YES

WELDING THE

REFRIGERANT LEAK

SEALING SHOULD

BE DONE TO

THE LEAK

DEFECTIVE

CONTROL PCB

NO

YES

CHECK TO SEE IF

THE COOLING EFFECT

WHEN TEMPERATURE

CONTROL IS ON COOL

ADJUSTMENT FOR

TEMP NOTCH

DEFECTIVE FOR THE

CONNECTION POINT

OF PCB

NO

NO

ELMINATE THE

EVAPORATOR

CHECK TO SEE IF

THE FROST FOMS

EXCESSIVELY

NO

MAKE THE AIR

CIRCULATION WELL

CHECK TO SEE IF
THE OVER LOAD WORK
WHEN THE DEGREE OF

SUROUNDINGS

INCREASES

FROST ON

YES

YES

6-3. LAMP DOES NOT LIGHT WELL

CHECK THE

CONNECTING POINT

WITH SOCKET

YES

CHECK TO SEE IF

THE LAMP COLOR

CHANGED TO BLACK

YES

DEFECTIVE

LAMP

YES

ADJUST THE LAMP

FOR GOOD

CONNECTION

NO

CHECK TO SEE IF

THE ELECTRICITY

BOTH POIES OF

LAMP FIOW EACH OTHER

YES

CHECK CONTINUITY

OF LAMP SWITCH

YES

DEFECTIVE

NO

DEFECTIVE

LAMP

NO

LAMP

CHECK

CONTINUITY

OF WIRING

YES

DOES THE RATED

VOLAGE SUPPLY

NO

DEFECTIVE

WIRING

6-4. WHEN THERE IS A EXCESSIVE NOISE

CHECK TO SEE IF THE

LOCATION FOR
REFRIGERATOR

IS LEVEL PLACE

NO

CHECK OR SET UP

THE REFRIGERATOR AGAIN

(KEPP HORIZONTAL/VERTICAL)

YES

DOES THE HIGH

YES

VOLTAGE SUPPLY?

NO

YES YES

IS THERE A VIBRATION

BETWEEN PIPES

NO

CHECK LOOSENESS

OF SCREW

ADJUST THE

VOLTAGE

ELMINATE

VIBRATION

BETWEEN PIPES

7. REFRIGERANT CYCLE DIAGRAM