Technibel SPA250R5TAA Operating manual

TECHNICAL & SERVICE MANUAL
SPLIT SYSTEM AIR CONDITIONERSPLIT SYSTEM AIR CONDITIONER
SPA250R5TAA - GR250R5TAA
SPA250R5TAA - GR250R7TAA
SPA360R5TAA - GR360R7TAA
SPA480R5TAA - GR480R7TAA
0.8180.111.105/01

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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………………………………………………………………………. 11
1-3 Other Component Specifications……………………………………………………. 16
1-4 Dimensional Data……………………………………………………………………... 16
(A) Indoor Unit……………………………………………………………………….... 16
(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
1-10 Air Throw Distance Chart…………………………………………………………….. 29
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 Electronic Refrigerant Control Valve Control…………………………………….… 47
2-19 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 SPA250R5TAA
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/h 3.4-
ELECTRICAL RATINGS
Voltage rating V 220230240220230240
Available voltage range V 198 - 264 198 - 264
Running amperes* A14.7 14.9 15 14.8 14.8 15
Max. running amperes** A16.9 16.8 16.8 16.1 15.9 15.8
Power input kW 3.11 3.15 3.23.11 3.15 3.2
Power factor %96.2 91.9 88.9 95.5 92.5 88.9
C.O.P W / W 2.35 2.32 2.28 2.57 2.54 2.5
Max. starting amperes A 68 71 74 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) No (20A, OD26mm)
Compressor Rotary
Operation sound Indoor - Hi/Me/Lo dB - A 45 / 41 / 37
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 Outdoor unit
Unit dimensions Height mm (in) 185(7-9/32) 735(28-30/32)
Width mm (in) 1,270(50) 940(37)
Depth mm (in) 670(26-12/32) 340(13-12/32)
Package dimensions Height mm (in) 271(10-21/32) 826(32-17/32)
Width mm (in) 1,370(53-30/32) 1,016(40)
Depth mm (in) 782(30-25/32) 416(16-12/32)
Net weight kg (lb) 28(62) 71(157)
Shipping weight kg (lb) 36(79) 77(170)
Shipping volume m3(Cu. ft.) 0.29(10.2) 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 SPA250R5TAA
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/h 3.4-
ELECTRICAL RATINGS
Voltage rating V 380400415380400415
Available voltage range V 342 - 456 342 - 456
Running amperes* A 4.84.64.54.94.84.7
Max. running amperes** A 5.35.14.95.75.55.3
Power input kW 2.72 2.74 2.77 2.81 2.82 2.85
Power factor %86.1 86 85.6 87.1 84.8 84.4
C.O.P W / W 2.68 2.66 2.64 2.85 2.84 2.81
Max. starting amperes A 26 28 29 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) No (20A, OD26mm)
Compressor Rotary
Operation sound Indoor - Hi/Me/Lo dB - A 45 / 41 / 37
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 Outdoor unit
Unit dimensions Height mm (in) 185(7-9/32) 735(28-30/32)
Width mm (in) 1,270(50) 940(37)
Depth mm (in) 670(26-12/32) 340(13-12/32)
Package dimensions Height mm (in) 271(10-21/32) 826(32-17/32)
Width mm (in) 1,370(53-30/32) 1,016(40)
Depth mm (in) 782(30-25/32) 416(16-12/32)
Net weight kg (lb) 28(62) 71(157)
Shipping weight kg (lb) 36(79) 77(170)
Shipping volume m
3
(Cu. ft.) 0.29(10.2) 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
1-1 Unit Specifications
1.SPECIFICATIONS

– 6–
MODEL No. Indoor Unit SPA360R5TAA
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 / h1,680/1,410/1,200
Moisture removal(High) Liters/h 4.8-
ELECTRICAL RATINGS
Voltage rating V 380400415380400415
Available voltage range V 342 - 456 342 - 456
Running amperes* A 5.35.25.15.45.25.1
Max. running amperes** A 6.36.26665.9
Power input kW 3.08 3.13.12 3.16 3.19 3.23
Power factor %88.3 86 85.1 88.9 88.5 88.1
C.O.P W / W 3.44 3.42 3.43.61 3.57 3.53
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) No (20A, OD26mm)
Compressor Rotary
Operation sound Indoor - Hi/Me/Lo dB - A 47 / 43 / 39
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 Outdoor unit
Unit dimensions Height mm (in) 250(9-27/32) 1,235(48-20/32)
Width mm (in) 1,570(61-26/32) 940(37)
Depth mm (in) 670(26-12/32) 340(13-12/32)
Package dimensions Height mm (in) 336(13-7/32) 1,326(52-7/32)
Width mm (in) 1,670(65-24/32) 1,016(40)
Depth mm (in) 782(30-25/32) 416(16-12/32)
Net weight kg (lb) 41(90) 94(207)
Shipping weight kg (lb) 51(112) 101(223)
Shipping volume m
3
(Cu. ft.) 0.439(15.5) 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
1-1 Unit Specifications
1.SPECIFICATIONS

– 7–
MODEL No. Indoor Unit SPA480R5TAA
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 / h1,920/1,610/1,320
Moisture removal(High) Liters/h 7.1-
ELECTRICAL RATINGS
Voltage rating V 380400415380400415
Available voltage range V 342 - 456 342 - 456
Running amperes* A 8.58.78.999.19.2
Max. running amperes** A 9.19.19.39.89.59.2
Power input kW 4.84 5.04 5.13 5.19 5.33 5.41
Power factor %86.5 83.6 80.2 87.6 84.5 81.8
C.O.P W / W 2.89 2.78 2.73 3.08 32.96
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) No (20A, OD26mm)
Compressor Scroll
Operation sound Indoor - Hi/Me/Lo dB - A 48 / 44 / 40
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 Outdoor unit
Unit dimensions Height mm (in) 250(9-27/32) 1,235(48-20/32)
Width mm (in) 1,570(61-26/32) 940(37)
Depth mm (in) 670(26-12/32) 340(13-12/32)
Package dimensions Height mm (in) 336(13-7/32) 1,326(52-7/32)
Width mm (in) 1,670(65-24/32) 1,016(40)
Depth mm (in) 782(30-25/32) 416(16-12/32)
Net weight kg (lb) 41(90) 108(238)
Shipping weight kg (lb) 51(112) 115(254)
Shipping volume m
3
(Cu. ft.) 0.439(15.5) 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
1-1 Unit Specifications
1.SPECIFICATIONS

– 8–
1.SPECIFICATIONS
1-2 Major Component Specifications
(A) Indoor Unit
MODEL No. SPA250R5TAA
Source 220 - 230 - 240 V / 1 phase / 50Hz
Remote Controller (option) Wired : K70D026ZAA /Wireless : K70D027ZAA
Controller P.C.B. Ass’y CR-X253GH (Microprocessor)
Fan (Number…diameter) mm Centrifugal (4...ø130)
Fan Motor
Model…Nominal output WKFG4Q–41A5P...40 W
Source 220 - 230 - 240 V / 1 phase / 50Hz
No. of pole…r.p.m. (230 V, High) rpm. 4...1,198
Coil resistance ΩBRN–WHT :175.1 ,ORG–YEL :70.9
(Ambient temperature 20 °C) WHT–VLT :43.6 ,WHT–PNK :15.6
VLT–ORG :27.0
Safety device
Operatingtemperature Open °C130 ±5 °C
Close °CDifferential 15 deg. (min.)
Run capacitor VAC, µF440 V, 2.5 µF
Electronic refrigerant control valve
Solenoid control model DKV-MOZS550E0
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 3…1.7
Face area m20.170
Auto louver motor MC8 D
Auto louver motor...Rated V, Hz, W, rpm. 220 - 240 VAC, 50 Hz, 3 W, 3.3 rpm. 8P
Coil resistance (at 25 ˚C) Ω14,900 Ω±8 %
Dew proof heater V, W 240 V, 15 W

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1.SPECIFICATIONS
(A) Indoor Unit
MODEL No. SPA360R5TAA
Source 220 - 230 - 240 V / 1 phase / 50Hz
Remote Controller (option) Wired : K70D026ZAA / Wireless : K70D027ZAA
Controller P.C.B. Ass’y CR-X253GH (Microprocessor)
Fan (Number…diameter) mm Centrifugal (4...ø150)
Fan Motor
Model…Nominal output WKFG4Q–101D5P...100 W
Source 220 - 230 - 240 V / 1 phase / 50Hz
No. of pole…r.p.m. (230 V, High) rpm. 4...1,194
Coil resistance ΩBRN–WHT :43.3 ,ORG–YEL :349.3
(Ambient temperature 20 °C) WHT–VLT :16.6 ,VLT–PNK :40.8
VLT–ORG :24.5
Safety device
Operating temperature Open °C130 ±5 °C
Close °CDifferential 15 deg. (min.)
Run capacitor VAC, µF440 V, 4.0 µF
Electronic refrigerant control valve
Solenoid control model EKV-MOZS559E0
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 3…1.7
Face area m20.34
Auto louver motor MC8 D
Auto louver motor...Rated V, Hz, W, rpm. 220 - 240 VAC, 50 Hz, 3 W, 3.3 rpm. 8P
Coil resistance (at 25 ˚C) Ω14,900 Ω±8 %
Dew proof heater V, W 240 V, 17 W

– 10 –
1.SPECIFICATIONS
(A)Indoor Unit
MODEL No. SPA480R5TAA
Source 220 - 230 - 240 V / 1 phase / 50Hz
Remote Controller (option) Wired : K70D026ZAA /Wireless : K70D027ZAA
Controller P.C.B. Ass’y CR-X253GH (Microprocessor)
Fan (Number…diameter) mm Centrifugal (4...ø150)
Fan Motor
Model…Nominal output WKFG4Q–101D5P...100 W
Source 220 - 230 - 240 V / 1 phase / 50Hz
No. of pole…r.p.m. (230 V, High) rpm. 4...1,212
Coil resistance ΩBRN–WHT :43.3 ,ORG–YEL :349.3
(Ambient temperature 20 °C) WHT–VLT :16.6 ,VLT–PNK :40.8
VLT–ORG :24.5
Safety device
Operatingtemperature Open °C130 ±5 °C
Close °CDifferential 15 deg. (min.)
Run capacitor VAC, µF440 V, 4.5 µF
Electronic refrigerant control valve
Solenoid control model EKV-MOZS559E0
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 3…1.7
Face area m20.34
Auto louver motor MC8 D
Auto louver motor...Rated V, Hz, W, rpm. 220 - 240 VAC, 50 Hz, 3 W, 3.3 rpm. 8P
Coil resistance (at 25 ˚C) Ω14,900 Ω±8 %
Dew proof heater V, W 240 V, 17 W