Tosot TW12HQ3D6D Manuale utente

Service Manual

Table of Contents

Service Manual

Table of Contents

Part Ⅰ: Technical Information.......................................................................1

1. Summary......................................................................................................................1

2. Specications..........................................................................................................2

2.1 Specication Sheet...........................................................................................................2

2.2 Operation Characteristic Curve ........................................................................................4

2.3 Capacity Variation Ratio According to Temperature .........................................................4

2.4 Cooling and Heating Data Sheet in Rated Frequency .....................................................5

2.5 Noise Curve......................................................................................................................5

3. Outline Dimension Diagram........................................................................6

3.1 Indoor Unit........................................................................................................................6

3.2 Outdoor Unit .....................................................................................................................6

4. Refrigerant System Diagram......................................................................7

5. Electrical Part...........................................................................................................8

5.1 Wiring Diagram.................................................................................................................8

5.2 PCB Printed Diagram .....................................................................................................10

6. Function and Control......................................................................................12

6.1 Remote Controller Introduction .....................................................................................12

6.2 Ewpe Smart App Operation Manual ...............................................................................17

6.3 Brief Description of Modes and Functions......................................................................18

Part Ⅱ: Installation and Maintenance .................................................23

7. Notes for Installation and Maintenance..........................................23

8. Installation................................................................................................................26

8.1 Installation Dimension Diagram......................................................................................26

8.2 Installation Parts-checking ............................................................................................28

8.3 Selection of Installation Location....................................................................................28

8.4 Electric Connection Requirement ..................................................................................28

8.5 Installation of Indoor Unit................................................................................................28

8.6 Installation of Outdoor Unit.............................................................................................31

8.7 Vacuum Pumping and Leak Detection ...........................................................................32

8.8 Check after Installation and Test Operation ...................................................................32

Table of Contents

Service Manual

9. Maintenance............................................................................................................33

9.1 Error Code List ...............................................................................................................33

9.2 Procedure of Troubleshooting ........................................................................................40

9.3 Troubleshooting for Normal Malfunction.........................................................................53

10. Exploded View and Parts List ..............................................................55

10.1 Indoor Unit....................................................................................................................55

10.2 Outdoor Unit .................................................................................................................57

11. Removal Procedure.......................................................................................59

11.1 Removal Procedure of Indoor Unit ...............................................................................59

11.2 Removal Procedure of Outdoor Unit ............................................................................64

Appendix:........................................................................................................................69

Appendix 1: Reference Sheet of Celsius and Fahrenheit ....................................................69

Appendix 2: Conguration of Connection Pipe.....................................................................69

Appendix 3: Pipe Expanding Method ...................................................................................70

Appendix 4: List of Resistance for Temperature Sensor ......................................................71

Technical Information

Service Manual

1. Summary

Indoor Unit:

Outdoor Unit:

Remote Controller:

Part Ⅰ: Technical Information

TW12HQ3D6DO

YAG1FB2F(WiFi)

TW12HQ3D6DI

No Model Product Code Indoor Unit Product Code Outdoor Unit Product Code Remote

Controller

1 TW12HQ3D6D CB460001400_L71081 TW12HQ3D6DI CB460N01400_L71081 TW12HQ3D6DO CB437W00900_L71081 YAG1FB2F

(WiFi)

2Technical Information

Service Manual

2. Specications

2.1 Specication Sheet

Model TW12HQ3D6D

Product Code CB460001400_L71081

Power Supply

Rated Voltage V~ 208/230

Rated Frequency Hz 50/60

Phases 1

Power Supply Mode Outdoor

Cooling Capacity(Min~Max) Btu/h 12000(2900~15354)

Heating Capacity(Min~Max) Btu/h 12200(3071~18766)

Cooling Power Input(Min~Max) W785(75~1500)

Heating Power Input(Min~Max) W940(250~1600)

Cooling Power Current A 3.9

Heating Power Current A 5.3

Rated Input W 1600

Rated Current A 6.5

Air Flow Volume(SH/H/MH/M/ML/L/SL) CFM 850/800/750/600/550/450/400

Dehumidifying Volume Pint/h 2.96

EER (Btu/h)/W 15.3

COP (Btu/h)/W 12.98

SEER 30.5

SCOP 14

Application Area yd219.14-28.70

Indoor Unit

Model of indoor unit TW12HQ3D6DI

Indoor Unit Product Code CB460N01400_L71081

Fan Type Cross-ow

Diameter Length(DXL) inch Ф4 3/16X27 1/2

Fan Motor Cooling Speed (SH/H/MH/M/ML/L/SL/Q) r/min 1400/1300/1200/1100/1000/900/800/550

Fan Motor Heating Speed (SH/H/MH/M/ML/L/SL/Q) r/min 1400/1270/1200/1130/1050/980/900/-

Output of Fan Motor W 60

Fan Motor RLA A 0.09

Fan Motor Capacitor μF /

Evaporator Form Aluminum Fin-copper Tube

Pipe Diameter inch Ф1/4

Row-n Gap inch 2-1/16

Coil Length (LXDXW) inch 28 13/16X1X12

Swing Motor Model MP35CJ/MP24HF

Output of Swing Motor W 2.5/1.5

Fuse A 3.15

Sound Pressure Level (SH/H/MH/M/ML/L/SL) dB (A) 49/46/43/40/37/34/30

Sound Power Level (SH/H/MH/M/ML/L/SL) dB (A) /

Dimension (WXHXD) inch 38 13/64X11 13/16X8 13/16

Dimension of Carton Box (LXWXH) inch 40 55/64X15X12

Dimension of Package (LXWXH) inch 41X15X12 39/64

Net Weight Ib 29.8

Gross Weight Ib 36.4

Technical Information

Service Manual

The above data is subject to change without notice; please refer to the nameplate of the unit.

Outdoor Unit

Model of Outdoor Unit TW12HQ3D6DO

Outdoor Unit Product Code CB437W00900_L71081

Compressor Manufacturer/Trademark ZHUHAI LANDA COMPRESSOR CO., LTD

Compressor Model QXAT-B121zE070

Compressor Oil FV50S

Compressor Type Rotary

Compressor L.R.A. A 35.0

Compressor RLA 6.9

Compressor Power Input W 1070

Overload Protector 1NT11L-6233/HPC115/95/KSD115ºC

Throttling Method Electron expansion valve + Capillary Sub-assy

Operation temp ºF 61~86

Ambient temp (cooling) ºF 0~115

Ambient temp (heating) ºF -22~75

Condenser Form Aluminum Fin-copper Tube

Pipe Diameter inch Φ9/32

Rows-n Gap inch 2.5-1/18

Coil Length (LXDXW) inch 30.0X2 1/4X21 11/16

Fan Motor Speed rpm 850

Output of Fan Motor W 30

Fan Motor RLA A 0.24

Fan Motor Capacitor μF /

Air Flow Volume of Outdoor Unit CFM 2400

Fan Type Axial-ow

Fan Diameter inch Φ17 1/4

Defrosting Method Automatic Defrosting

Climate Type T1

Isolation I

Moisture Protection IPX4

Design Pressure(High) PSIG 550

Design Pressure(Low) PSIG 240

Sound Pressure Level (H/M/L) dB (A) 53/-/-

Sound Power Level (H/M/L) dB (A) /

Dimension (WXHXD) inch 35 3/8X23 1/2X14 7/8

Dimension of Carton Box (LXWXH) inch 37 3/16X16 7/16X24 13/16

Dimension of Package (LXWXH) inch 37 5/16X16 9/16X25 3/8

Net Weight Ib 99.2

Gross Weight Ib 105.8

Refrigerant R410A

Refrigerant Charge oz 49.4

Connection

Pipe

Length ft 24.6

Gas Additional Charge oz/ft 0.2

Outer Diameter Liquid Pipe inch 1/4

Outer Diameter Gas Pipe inch 1/2

Max Distance Height ft 50

Max Distance Length ft 100

Note:The connection pipe applies metric diameter.

4Technical Information

Service Manual

2.2 Operation Characteristic Curve

2.3 Capacity Variation Ratio According to Temperature

020406080 100 120

Condition

Indoor:DB81°F WB66°F

Indoor air flow: Super High

Pipe length:24.6 ft

Compressor Speed(rps)

020406080 100 120

Condition

Indoor:DB 68°F

Indoor air flow:Super High

Pipe length:24.6 ft

Compressor Speed(rps)

Cooling Heating

Current(A)

100

110

120

130

32 33 34 35 36 37 38 39 40 41 42 43 44 45 46

Capacity ratio(%)

Condition

Indoor:DB81°F WB66°F

Indoor air flow:

Turbo

Pipe length:5m

Outdoor temp. (°C)

Capacity ratio(%)

gnitaeHgnilooC

-20-15 -10-50 510

110

120

130

100

Outdoor temp.(°C)

Condition

Indoor:DB68°F

Indoor air flow:

Turbo

Pipe length:5m

Cooling Heating

Cooling

Capacity ratio( %)

Heating

100

105

Capacityratio(%)

Condition

Indoor:DB81°F WB66°F

Indoor air flow: Super High

Pipe length:24.6 ft

Outdoor temp(°F) Outdoor temp(°F)

89.695 100.4 107.6 118.4 -22-7.5-45 14 23 32 41 44.650

200

180

160

140

120

100

Condition

Indoor:DB 68°F

Indoor air flow:Super High

Pipe length:24.6 ft

Technical Information

Service Manual

2.4 Cooling and Heating Data Sheet in Rated Frequency

Rated cooling

condition(°F) (DB/WB) Model

Pressure of gas pipe

connecting indoor

and outdoor unit

Inlet and outlet pipe

temperature of heat

exchanger Fan speed of

indoor unit

Fan speed of

outdoor unit

Compressor

revolution

(Hz)

Indoor Outdoor PSIG T1 (°F) T2 (°F)

81/66 95/75 12K 123.2~145 in:46~52

out:52~57

in:122~176

out:99~109 Suprt High High 58

Rated heating

condition(°F) (DB/WB) Model

Pressure of gas pipe

connecting indoor

and outdoor unit

Inlet and outlet pipe

temperature of heat

exchanger

Fan speed of

indoor unit

Fan speed of

outdoor unit

Compressor

revolution

(Hz)

Indoor Outdoor P (MPa) T1 (°F) T2 (°F)

68/- 45/43 12K 362.3~435 in:122~176

out:99~109

in:34~37

out:36~41 Super High High 56

Instruction:

T1: Inlet and outlet pipe temperature of evaporator

T2: Inlet and outlet pipe temperature of condenser

P: Pressure at the side of big valve

Connection pipe length: 24.6ft.

Cooling:

Heating:

2.5 Noise Curve

18K

20 30 40 50 60 70 80 90 100

Compressor frequency(Hz)

Noise dB(A)

Heating

Cooling

Indoor fan motor rotating speed

Super

High

Super

Low

Middle

High

Middle

Low

High Middle Low

Noise dB(A)

18K

Indoor side noise Outdoor side noise

Indoor fan motor rotating speed

Super

High

Super

Low

Middle

High

Middle

Low

High Middle Low

20 030450607080

Compressor frequency(Hz)

Noise dB(A)

Heating

Cooling

12K

6Technical Information

Service Manual

3. Outline Dimension Diagram

3.1 Indoor Unit

Unit:inch

3.2 Outdoor Unit

35 3/8

32 3/16

21 59/64 / 19 16/64

13 15/16

23 1/2

14 7/8

Unit:inch

38 13/64 8 13/16

11 13/16

7 13/64

5 1/2

7 1/2

1 1/

1/2

Φ2 3/16 Φ2 3/16

Technical Information

Service Manual

4. Refrigerant System Diagram

Connection pipe specication:

Liquid : 1/4''(inch)

Gas : 1/2''(inch)

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INDOOR UNIT OUTDOOR UNIT

HEAT

EXCHANGE

(EVAPORATOR)

HEAT

EXCHANGE

(CONDENSER)

COMPRESSOR

GAS SIDE

3-WAY VALVE

LIQUID SIDE

2-WAY VALVE

COOLING

HEATING

Accumlator

Discharge

Suction

4-Way valve

Electron

Strainer Strainer

expansion

valve

Strainer Capillary

Strainer

Intercooler

Indice

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