Technibel CA250R5TAA Operating manual

TECHNICAL & SERVICE MANUAL

SPLIT SYSTEM AIR CONDITIONER

CA250R5TAA - GR250R5TAA

CA250R5TAA - GR250R7TAA

CA360R5TAA - GR360R7TAA

CA480R5TAA - GR480R7TAA

0.8180.113.1 05/01

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Table of Contents

1.SPECIFICATIONS…………………………………………………………………………… 4

1-1 Unit Specifications…………………………………………………………………….. 4

1-2 Major Component Specifications……………………………………………………. 8

(A) Indoor Unit……………………………………………………………………….... 8

(B) Outdoor Unit………………………………………………………………………. 10

1-3 Other Component Specifications……………………………………………………. 13

1-4 Dimensional Data……………………………………………………………………... 15

(A) Indoor Unit……………………………………………………………………….... 15

(B) Outdoor Unit………………………………………………………………………. 17

1-5 Refrigerant Flow Diagram……………………………………………………………. 19

1-6 Operating Range……………………………………………………………………… 21

1-7 Cooling Capacity………………………………………………………………………. 22

1-8 Heating Capacity……………………………………………………………………… 26

1-9 Noise Criterion Curves……………………………………………………………….. 27

2. PROCESSES AND FUNCTIONS……………………………………………………….… 30

2-1 Room Temperature Control………………………………………………………….. 30

(A) Cooling ……………………………………………………………………….…… 30

(B) Heating…………………………………………………………………………….. 31

2-2 Cold Draft Prevention (Heating Cycle)……………………………………………… 32

2-3 Automatic Fan Speed (Indoor Unit)……………………………………………….… 33

(A) Cooling ……………………………………………………………………….…… 33

(B) Heating…………………………………………………………………………….. 33

2-4 Outdoor Fan Speed Control………………………………………………………….. 34

(A) Cooling ……………………………………………………………………….…… 34

(B) Heating…………………………………………………………………………….. 34

2-5 Freeze Prevention (Cooling)……………………………………………………….… 35

2-6 Condensing Temperature Control (Cooling)……………………………………….. 36

2-7 Overload Protection (Heating)……………………………………………………….. 37

2-8 Discharge Temperature Control (Cooling and Heating)…………………………... 38

2-9 Auto. Mode for Automatic Heating/Cooling Switching…………………………….. 38

2-10 Defrosting Control, Outdoor Heat Exchanger Coil (Heating)…………………….. 40

2-11 4-Way Valve, Solenoid Control…………………………………………………….... 41

(A) Normal Control Mode…………………………………………………………….. 41

(B) AUTO Control Mode……………………………………………………………… 42

2-12 Automatic Restart after Power Interruption………………………………………… 42

2-13 Electronic Refrigerant Control Valve………………………………………………... 43

2-14 Compressor Discharge Gas Temperature…………………………………………. 43

(A) Cooling ……………………………………………………………………….…… 43

(B) Heating (Except During Defrosting)…………………………………………….. 43

2-15 Compressor Current Detection Circuit……………………………………………… 44

2-16 Dehumidifying Operation……………………………………………………………... 45

2-17 Auto-flap Control…………………………………………………………………….… 46

2-18 Drain Pump Control…………………………………………………………………… 46

2-19 Electronic Refrigerant Control Valve Control…………………………………….… 47

2-20 Voltage Detection Control………………………………………………………….… 48

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3. ELECTRICAL DATA………………………………………………………………………... 49

3-1 Electrical Characteristics……………………………………………………………... 49

3-2 Electric Wiring Diagrams / Schematic Diagrams…………………………………... 53

(A) Indoor Unit……………………………………………………………………….... 53

(B) Outdoor Unit………………………………………………………………………. 55

4. SERVICE PROCEDURES………………………………………………………………….. 63

4-1 Troubleshooting……………………………………………………………………….. 63

4-2 Checking the Electrical Components……………………………………………….. 97

– 4–

MODEL No. Indoor Unit CA250R5TAA

Outdoor Unit GR250R5TAA

POWER SOURCE 220 - 230 - 240 V / 1 Phase / 50 Hz

PERFORMANCE Cooling Heating

Capacity kW 7.38

BTU / h 25,000 27,000

Air circulation (Hi/Me/Lo) m3 / h1,140/1,020/840

Moisture removal(High) Liters/ h3.6-

ELECTRICAL RATINGS

Voltage rating V 220230240220230240

Available voltage range V 198 - 264 198 - 264

Running amperes* A14.9 15.1 15.2 14.8 14.9 15.1

Max. running amperes** A17 17 17 16.1 16 15.9

Power input kW 3.15 3.23.25 3.12 3.17 3.22

Power factor %96.1 92.1 89.1 95.8 92.5 88.9

C.O.P W / W 2.32 2.28 2.25 2.56 2.52 2.48

Max. starting amperes A 69 72 75 68 71 74

FEATURES

Controls / Thermostat control Microprocessor / I.C. thermostat

Timer ON / OFF 72-hours / ON/OFF 24-hours & Program

Fan speeds Indoor/Outdoor 3 and Automatic control/ 2 (Auto)

Airflow direction (Indoor) Automatic (Remote control)

Air filter Washable, easy access

Remote controller (Option) Wired : K70D026ZAA / Wireless : K70D027ZAA

Refrigerant control Electronic Refrigerant Control Valve

Drain pump (drain connection) Max. head 25cm above drain connection (25A,OD32mm)

Compressor Rotary

Operation sound Indoor - Hi/Me/Lo dB - A 37 / 35 / 31

Outdoor - Hi dB - A 52

REFRIGERANT TUBING

Limit of tubing length m (ft.) 50 (164)

Limit of tubing length at shipment m (ft.) 30 (98)

Limit of elevation difference m (ft.) Outdoor unit is higher than indoor unit: 50 (164)

between the two units Outdoor unit is lower than indoor unit: 30 (98)

Refrigerant tube Narrow tube mm (in) 6.35 (1 / 4)

outer diameter Wide tube mm (in) 15.88 (5 / 8)

Refrigerant amount at shipment kg R22 - 3.0

DIMENSIONS & WEIGHT Indoor unit (include panel) Outdoor unit

Unit dimensions Height mm (in) 328(12-29/32) 735(28-30/32)

Width mm (in) 860(33-27/32) 940(37)

Depth mm (in) 860(33-27/32) 340(13-12/32)

Package dimensions Height mm (in) 410(16-5/32) 826(32-17/32)

Width mm (in) 988(38-29/32) 1,016(40)

Depth mm (in) 988(38-29/32) 416(16-12/32)

Net weight kg (lb) 30(66) 71(157)

Shipping weight kg (lb) 47(104) 77(170)

Shipping volume m

(Cu. ft.) 0.4(14.1) 0.349(12.3)

DATA SUBJECT TO CHANGE WITHOUT NOTICE

Cooling :

Rating conditions(*) : Indoor air temperature 27

C DB / 19

C WB, Outdoor air temperature 35

C DB

Heating :

Rating conditions(*) : Indoor air temperature 20

C DB, Outdoor air temperature 7

C DB / 6

C DB

1.SPECIFICATIONS

1-1 Unit Specifications

– 5–

MODEL No. Indoor Unit CA250R5TAA

Outdoor Unit GR250R7TAA

POWER SOURCE 380 - 400 - 415 V / 3N / 50 Hz

PERFORMANCE Cooling Heating

Capacity kW 7.38

BTU / h 25,000 27,000

Air circulation (Hi/Me/Lo) m3 / h1,140/1,020/840

Moisture removal(High) Liters/ h3.6-

ELECTRICAL RATINGS

Voltage rating V 380400415380400415

Available voltage range V 342 - 456 342 - 456

Running amperes* A 4.94.74.554.84.7

Max. running amperes** A 5.45.255.75.55.3

Power input kW 2.76 2.79 2.82 2.82 2.83 2.87

Power factor %85.6 85.7 87.2 85.7 85.1 85

C.O.P W / W 2.64 2.62 2.59 2.84 2.83 2.79

Max. starting amperes A 27 29 30 26 28 29

FEATURES

Controls / Thermostat control Microprocessor / I.C. thermostat

Timer ON / OFF 72-hours / ON/OFF 24-hours & Program

Fan speeds Indoor/Outdoor 3 and Automatic control/ 2 (Auto)

Airflow direction (Indoor) Automatic (Remote control)

Air filter Washable, easy access

Remote controller (Option) Wired : K70D026ZAA / Wireless : K70D027ZAA

Refrigerant control Electronic Refrigerant Control Valve

Drain pump (drain connection) Max. head 25cm above drain connection (25A,OD32mm)

Compressor Rotary

Operation sound Indoor - Hi/Me/Lo dB - A 37 / 35 / 31

Outdoor - Hi dB - A 52

REFRIGERANT TUBING

Limit of tubing length m (ft.) 50 (164)

Limit of tubing length at shipment m (ft.) 30 (98)

Limit of elevation difference m (ft.) Outdoor unit is higher than indoor unit: 50 (164)

between the two units Outdoor unit is lower than indoor unit: 30 (98)

Refrigerant tube Narrow tube mm (in) 6.35 (1 / 4)

outer diameter Wide tube mm (in) 15.88 (5 / 8)

Refrigerant amount at shipment kg R22 - 3.0

DIMENSIONS & WEIGHT Indoor unit (include panel) Outdoor unit

Unit dimensions Height mm (in) 328(12-29/32) 735(28-30/32)

Width mm (in) 860(33-27/32) 940(37)

Depth mm (in) 860(33-27/32) 340(13-12/32)

Package dimensions Height mm (in) 410(16-5/32) 826(32-17/32)

Width mm (in) 988(38-29/32) 1,016(40)

Depth mm (in) 988(38-29/32) 416(16-12/32)

Net weight kg (lb) 30(66) 71(157)

Shipping weight kg (lb) 47(104) 77(170)

Shipping volume m

(Cu. ft.) 0.4(14.1) 0.349(12.3)

DATA SUBJECT TO CHANGE WITHOUT NOTICE

Cooling :

Rating conditions(*) : Indoor air temperature 27

C DB / 19

C WB, Outdoor air temperature 35

C DB

Heating :

Rating conditions(*) : Indoor air temperature 20

C DB, Outdoor air temperature 7

C DB / 6

C DB

1.SPECIFICATIONS

1-1 Unit Specifications

– 6–

MODEL No. Indoor Unit CA360R5TAA

Outdoor Unit GR360R7TAA

POWER SOURCE 380 - 400 - 415 V / 3N / 50 Hz

PERFORMANCE Cooling Heating

Capacity kW 10.6 11.4

BTU / h 36,000 39,000

Air circulation (Hi/Me/Lo) m3 / h1,920/1,680/1,320

Moisture removal(High) Liters/ h4.7-

ELECTRICAL RATINGS

Voltage rating V 380400415380400415

Available voltage range V 342 - 456 342 - 456

Running amperes* A 5.35.155.35.15.1

Max. running amperes** A 6.36.16665.9

Power input kW 3.08 3.13.12 3.12 3.15 3.16

Power factor %88.3 87.7 86.8 89.4 89.2 86.2

C.O.P W / W 3.44 3.42 3.43.65 3.62 3.61

Max. starting amperes A 31 33 34 31 33 34

FEATURES

Controls / Thermostat control Microprocessor / I.C. thermostat

Timer ON / OFF 72-hours / ON/OFF 24-hours & Program

Fan speeds Indoor/Outdoor 3 and Automatic control/ 2 (Auto)

Airflow direction (Indoor) Automatic (Remote control)

Air filter Washable, easy access

Remote controller (Option) Wired : K70D026ZAA / Wireless : K70D027ZAA

Refrigerant control Electronic Refrigerant Control Valve

Drain pump (drain connection) Max. head 25cm above drain connection (25A,OD32mm)

Compressor Rotary

Operation sound Indoor - Hi/Me/Lo dB - A 43 / 40 / 36

Outdoor - Hi dB - A 53

REFRIGERANT TUBING

Limit of tubing length m (ft.) 50 (164)

Limit of tubing length at shipment m (ft.) 30 (98)

Limit of elevation difference m (ft.) Outdoor unit is higher than indoor unit: 50 (164)

between the two units Outdoor unit is lower than indoor unit: 30 (98)

Refrigerant tube Narrow tube mm (in) 9.52 ( 3 / 8 )

outer diameter Wide tube mm (in) 19.05 ( 3 / 4 )

Refrigerant amount at shipment kg R22 - 3.5

DIMENSIONS & WEIGHT Indoor unit (include panel) Outdoor unit

Unit dimensions Height mm (in) 358(14-3/32) 1,235(48-20/32)

Width mm (in) 1,150(45-9/32) 940(37)

Depth mm (in) 860(33-27/32) 340(13-12/32)

Package dimensions Height mm (in) 440(17-10/32) 1,326(52-7/32)

Width mm (in) 1,278(50-10/32) 1,016(40)

Depth mm (in) 988(38-29/32) 416(16-12/32)

Net weight kg (lb) 38(84) 94(207)

Shipping weight kg (lb) 62(137) 101(223)

Shipping volume m

(Cu. ft.) 0.556(19.6) 0.56(19.8)

DATA SUBJECT TO CHANGE WITHOUT NOTICE

Cooling :

Rating conditions(*) : Indoor air temperature 27

C DB / 19

C WB, Outdoor air temperature 35

C DB

Heating :

Rating conditions(*) : Indoor air temperature 20

C DB, Outdoor air temperature 7

C DB / 6

C DB

1.SPECIF¡ICATIONS

1-1 Unit Specifications

– 7–

MODEL No. Indoor Unit CA480R5TAA

Outdoor Unit GR480R7TAA

POWER SOURCE 380 - 400 - 415 V / 3N / 50 Hz

PERFORMANCE Cooling Heating

Capacity kW 1416

BTU / h 47,800 54,600

Air circulation (Hi/Me/Lo) m3 / h1,920/1,680/1,320

Moisture removal(High) Liters/ h7.4-

ELECTRICAL RATINGS

Voltage rating V 380400415380400415

Available voltage range V 342 - 456 342 - 456

Running amperes* A 8.58.68.88.999.2

Max. running amperes** A 9.19.29.39.79.49.1

Power input kW 4.84 5.04 5.13 5.14 5.29 5.37

Power factor %86.5 84.6 81.1 87.7 84.8 81.2

C.O.P W / W 2.89 2.78 2.73 3.11 3.02 2.98

Max. starting amperes A 71 73 75 71 73 75

FEATURES

Controls / Thermostat control Microprocessor / I.C. thermostat

Timer ON / OFF 72-hours / ON/OFF 24-hours & Program

Fan speeds Indoor/Outdoor 3 and Automatic control/ 2 (Auto)

Airflow direction (Indoor) Automatic (Remote control)

Air filter Washable, easy access

Remote controller (Option) Wired : K70D026ZAA / Wireless : K70D027ZAA

Refrigerant control Electronic Refrigerant Control Valve

Drain pump (drain connection) Max. head 25cm above drain connection (25A,OD32mm)

Compressor Scroll

Operation sound Indoor - Hi/Me/Lo dB - A 43 / 40 / 36

Outdoor - Hi dB - A 55

REFRIGERANT TUBING

Limit of tubing length m (ft.) 50 (164)

Limit of tubing length at shipment m (ft.) 30 (98)

Limit of elevation difference m (ft.) Outdoor unit is higher than indoor unit: 50 (164)

between the two units Outdoor unit is lower than indoor unit: 30 (98)

Refrigerant tube Narrow tube mm (in) 9.52 ( 3 / 8 )

outer diameter Wide tube mm (in) 19.05 ( 3 / 4 )

Refrigerant amount at shipment kg R22 - 4.5

DIMENSIONS & WEIGHT Indoor unit (include panel) Outdoor unit

Unit dimensions Height mm (in) 358(14-3/32) 1,235(48-20/32)

Width mm (in) 1,150(45-9/32) 940(37)

Depth mm (in) 860(33-27/32) 340(13-12/32)

Package dimensions Height mm (in) 440(17-10/32) 1,326(52-7/32)

Width mm (in) 1,278(50-10/32) 1,016(40)

Depth mm (in) 988(38-29/32) 416(16-12/32)

Net weight kg (lb) 38(84) 108(238)

Shipping weight kg (lb) 62(137) 115(254)

Shipping volume m

(Cu. ft.) 0.556(19.6) 0.56(19.8)

DATA SUBJECT TO CHANGE WITHOUT NOTICE

Cooling :

Rating conditions(*) : Indoor air temperature 27

C DB / 19

C WB, Outdoor air temperature 35

C DB

Heating :

Rating conditions(*) : Indoor air temperature 20

C DB, Outdoor air temperature 7

C DB / 6

C DB

1.SPECIFICATIONS

1-1 Unit Specifications

– 8–

1.SPECIFICATIONS

1-2 Major Component Specifications

(A)Indoor Unit

MODEL No. CA250R5TAA

Source 220 - 230 - 240 V / 1 phase / 50Hz

Controller P.C.B. Ass’y CR-X253GH (Microprocessor)

Fan (Number…diameter) mm Turbo (1...ø490)

Fan Motor

Model…Nominal output WSFG6X – 41A5P...40 W

Source 220 - 230 - 240 V / 1 phase / 50Hz

No. of pole…rpm(230 V, High) rpm. 6...470

Coil resistance ΩBRN–WHT:114.0 ,ORG – YEL :66.4

(Ambient temperature 20°C) WHT–VLT : 23.9 ,WHT –PNK:77.4

VLT–ORG:12.4 ,YEL – BLK:82.1

Safety device

Operating temperature Open °C130 ±8 °C

Close °C79 ±15 °C

Run capacitor VAC, µF440 V, 4µF

Electronic Refrigerant Control Valve

Solenoid control model DKV-MOZS582E0

Coil resistance (at 20°C) ΩORG–GRY:46 ,YEL–GRY:46

RED–GRY:46 ,BLK–GRY:46

Solenoid control valve model IKV-24D12

Heat exchanger

Coil Aluminum plate fin / Copper tube

Rows…fin pitch mm 2…1.7

Face area m20.295

Panel

Model No. K70N077ZAA

Dew proof heater 240 V, 26 W

Auto louver motor M2LB24ZA12

Auto louver motor...Rated V, W, rpm. AC 240 V, 3W, 2.5 rpm

Coil resistance (at 25 °C) Ω15,620 Ω±15%

Drain Pump WP20SL-21

Rated V, W AC 230 V, 50 Hz, 14.7 W

Total head & capacity 400 mm, 600 cc/min

– 9–

(A)Indoor Unit

MODEL No. CA360R5TAA CA480R5TAA

Source 220 - 230 - 240 V / 1 phase / 50Hz

Controller P.C.B. Ass’y CR-X253GH (Microprocessor)

Fan (Number…diameter) mm Turbo (1...ø490)

Fan Motor

Model…Nominal output WSFG6X – 61A3P...60 W

Source 220 - 230 - 240 V / 1 phase / 50Hz

No. of pole…rpm(230 V, High) rpm. 6...530

Coil resistance ΩBRN–WHT:71.1 ,ORG– YEL: 22.7

(Ambient temperature 20°C) WHT–VLT : 8.7 ,VLT –PNK:43.2

VLT–ORG:13.3 ,YEL – BLK:126.7

Safety device

Operating temperature Open °C130 ±8 °C

Close °C79 ±15 °C

Run capacitor VAC, µF440 V, 6µF

Electronic Refrigerant Control Valve

Solenoid control model EKV-MOZS584E0

Coil resistance (at 20°C) ΩORG–GRY:46 ,YEL–GRY:46

RED–GRY:46 ,BLK–GRY:46

Solenoid control valve model HKV-30D16

Heat exchanger

Coil Aluminum plate fin / Copper tube

Rows…fin pitch mm 2…1.7

Face area m20.479

Panel

Model No. K70N078ZAA

Dew proof heater 240 V, 31 W

Auto louver motor M2LB24ZA12

Auto louver motor...Rated V, W, rpm. AC 240 V, 3W, 2.5 rpm

Coil resistance (at 25 °C) Ω15,620 Ω±15%

Drain Pump WP20SL-21

Rated V, W AC 230 V, 50 Hz, 14.7 W

Total head & capacity 400 mm, 600 cc/min

1.SPECIFICATIONS

– 10 –

1.SPECIFICATIONS

Unit Model No. GR250R5TAA

Source 220 - 240 - 240 V / 1 phase / 50 Hz

Controller P.C.B. Ass'y CR-C253GH5 (Microprocessor)

Control circuit fuse 250 V, 3.15 A

Compressor Rotary (Hermetic)

Model ..... number C-R221H5W

Source 220 - 240 V / 1 phase / 50 Hz

Nominal output W2200

Compressor oil cc 1500

Coil resistance ΩC-R: 0.76 R-S:3.52

(Ambient temperature 25°C) C-S: 2.76

Safety devices

Overload relay models Internal type

Operating temperature Open °C160 ±5

Close °C87 ±11

Crank case heater 240V 25 W

Refrigerant amount at shipment kg R-22 - 3.0

High pressure switch ACB-1TB07

Set pressure OFF kg/cm230

ON kg/cm224 ±2.0

Fan Propeller

Number...diameter mm 1 ..... ø460

Fan speeds 2 (AUTO)

Fan motor

Model KFC6T-91C5P

Source 220-230-240V / 1 phase / 50 Hz

No. of pole ..... rpm (230V, High) 6...772

Nominal output W70

Coil resistance ΩWHT–BRN:127.3 ,VLT–YEL:15.0

(Ambient temperature 20°C) WHT–VLT:56.7 ,YEL–PNK:7.2

Safety device Internal type

Operating temperature Open °C130 ±8

Close °C79 ±15

Run capacitor VAC, µF440 V, 6 µF

Heat exchange

Coil Aluminium plate fin / Copper tube

Rows ..... fin pitch (mm) 2 ..... 2.0

Face area m20.616

+2.0

+0.5

(B) Outdoor Unit

1-2 Major Component Specifications

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