Download  Print this page

Electrolux EL-KFR26G/TN2Y-A Technical & Service Manual

A/b series multi split type, heat pump air conditioners.
Hide thumbs

Advertisement

GD Midea Refrigeration Equipment Co. Ltd
MULTI SPLIT TYPE, HEAT PUMP AIR CONDITIONERS
Technical service manual 2005
Indoor Models
[A SERIES]
EL-KFR26G/TN2Y-A
EL-KFR36G/TN2Y-A
Outdoor Models
Multi SERIES
R407C multi Series
M2OA-18HRN2 M2OA-21HRN2
M3OA-27HRN2 M3OA-30HRN2
Page 1 of 33
[B SERIES]
EL-KFR26G/TN2Y-B
EL-KFR36G/TN2Y-B

Advertisement

Table of Contents

   Summary of Contents for Electrolux EL-KFR26G/TN2Y-A

  • Page 1 GD Midea Refrigeration Equipment Co. Ltd MULTI SPLIT TYPE, HEAT PUMP AIR CONDITIONERS Technical service manual 2005 R407C multi Series Indoor Models [A SERIES] [B SERIES] EL-KFR26G/TN2Y-A EL-KFR26G/TN2Y-B EL-KFR36G/TN2Y-A EL-KFR36G/TN2Y-B Outdoor Models M2OA-18HRN2 M2OA-21HRN2 M3OA-27HRN2 M3OA-30HRN2 Multi SERIES Page 1 of 33...
  • Page 2 1. Features 2. Specification 3. Dimensions 4. Refrigeration cycle diagram 5. Operation limits 6. Wiring diagram 7. Troubleshooting 8. Electronic function 9. Exploded view parts 10. Characteristic of temp. sensor Page 2 of 33...
  • Page 3 1.Features 1.1 Compact design 1.2 High efficiency and quiet operation 1.3 Unitary outdoor unit design Page 3 of 33...
  • Page 4 2 Specification 2.1 Indoor unit Model EL-KFR26G/TN2Y-A(B) EL-KFR36G/TN Y-A(B) Power supply Ph-V-Hz 1, 220-240V~,50Hz 1, 220-240V~,50Hz Capacity Btu/h 9000 12000 Cooling Input 36.5 51.5 Rated current 0.17 0.24 Capacity Btu/h 10000 13000 Heating Input 36.5 51.5 Rated current 0.17 0.24...
  • Page 5: Outdoor Unit

    2.2 Outdoor unit Model M2OA-18HRN2 M2OA-21HRN2 M3OA-27HRN2 M3OA-30HRN2 Power supply 1Ph,220-240V,50Hz 1Ph,220-240V,50Hz 1Ph,220-240V,50Hz 1Ph,220-240V,50Hz Ph-V-Hz Capacity Btu/h 9000X2 9000+12000 9000x3 9000x2+12000 Input 1050X2 960+1100 1050X3 1800+1300 Rated Cooling 4.6X2 4.6X3 8.2+5.8 current Btu/w 8.5, 8.9, 8.5, Capacity Btu/h 10600X2 10000+13000 10600x3 13000+20000 Input...
  • Page 6 c.Fin spacing d.Fin type HYDROPHILIC HYDROPHILIC Hydrophilic Hydrophilic (code) ALUMINIUM ALUMINIUM aluminium aluminium e.Tube Ф9.53 Ф9.53 outside Ф9.53, Innergroove Ф9.53, Innergroove INNERGROOVE INNERGROOVE dia.and type tube tube TUBE TUBE f.Coil length x height x 813X812X44 813X812X44 width 810X610X44 810X610X44 g.Number of 5(A System);4(B 5(A System);4(B circuits...
  • Page 7 3.Dimensions 3.1 Indoor unit Panel A Panel B EL-KFR26G/TN2Y-A(B) EL-KFR36G/TN Y-A(B) Page 7 of 33...
  • Page 8 3.2 Outdoor unit Outdoor unit 18K/21K Outdoor unit 27K/30K Page 8 of 33...
  • Page 9 4.Refrigeration cycle diagram “1 drive 3 system” is made up of one “1 drive 1 system” and one “1 drive 2 system”. PMV1 PMV2 2# 1# Compressor refrigeration distributor 1 drive 2 system SV1: Primary four-way valve SV2: Secondary four-way valve PMV1,...
  • Page 10: Cooling Operation

    5.Operation limits 5.1Cooling operation Outdoor unit air temp. ℃ DB COOLING Indoor air temp. ℃ DB Note: 1.The chart is the result from the continuous operation under constant air temperature Condition. However, excludes the initial pull-down stage. 2.The operation range below the dashed is the result added the low ambient kit. 5.2Heating operation Indoor air temp.
  • Page 11 6.Wiring diagram Indoor unit indoor unit A&B Page 11 of 33...
  • Page 12 Outdoor unit For 1 drive 2 outdoor unit Page 12 of 33...
  • Page 13 For 1 drive 3 outdoor unit Page 13 of 33...
  • Page 14: Troubleshooting

    7.Troubleshooting 7.1 Indoor unit 7.1.1 Troubleshooting for indoor unit Operation Timer Failure phenomenon lamp lamp Indoor fan speed has been out of control for over 1 minute ☆ Indoor room temp. or evaporator sensor is open circuit or short circuit ☆...
  • Page 15 Failure phenomenon Operation lamp Timer lamp Over current protection of the compressor occurs 4 times ☆ Operation lamp off and Timer lamp flashes After changing the main control board, check if the failure releases The voltage of power supply is too low (less than 187V)? Indoor PCB is defective Power supply fault Outdoor unit fault (such as the compressor)
  • Page 16 8 Electronic functions Electric Control working environment 8.1.1 Input voltage: 145~260V 8.1.2 Input power frequency: 50Hz/60Hz 8.1.3 Ambient temperature: -7°C~+43°C 8.1.4 Indoor fan normal working amp is less than 1A, 8.1.5 Outdoors fan. Normal working amp is less than 1A 8.1.6 Four-way valve normal working amp is less than 0.5A.
  • Page 17 Protection 8.5.1 The compressor functions protection with a delay of three minutes. 8.5.2 High temp. protection of condenser. 8.5.3 Sensor protection at open circuit and breaking disconnection 8.5.4 Temperature Fuse break protection 8.5.5 Fan Speed is out of control. When Indoor Fan Speed is too high(higher than High Fan+300RPM)or too low(lower than 400RPM), the entire unit stops and LED displays failure information and can’t returns to normal operation automatically.
  • Page 18 compressor, indoor fan run 5 minutes in low speed. And repeat on and off cycle. 8.8.3 Low room temperature protection: When room temperature decreases to below 10℃, the compressor and the outdoor fan will stop(indoor fan is Breeze). Dehumidifying operation will be resumed when room temperature restores to over 13℃.
  • Page 19 8.9.5 Auto wind under heating mode Condition Indoor fan speed T=Indoor Temp.-Setting Temp. Room temp. up T<2℃ High T>2℃ Mid. Room temp. down T> 0℃ Mid. T<0℃ High 8.9.6 Indoor evaporator high-temperature protection under heating mode Condition Compressor Outdoor fan Indoor exchanger temp.
  • Page 20 8.11 Automatic operation mode 8.11.1 The air conditioner automatically selects one of the following operation modes: cooling, heating or ventilation according to the difference between room temp. (TA) and set temp. (TS). TA—TS Operation mode TA—TS>2℃ Cooling -1 ≤TA ℃ —TS≤+2℃...
  • Page 21 8.16 Outdoor fan motor T4: Outdoor temp. Outdoor fan motor Cooling mode T4>27℃ High speed T4<25℃ Low speed Heating mode T4>13℃ Low speed T4<11℃ High speed Page 21 of 33...
  • Page 22 9 Exploded view parts 9.1 INDOOR UNIT Exploded View Parts for Model: EL-KFR26G/TN2Y-A(B) 220-240V~ 50Hz :Indoor Unit Part Name Quantity BOM code No. Part Name Quantity BOM code Front panel (type B) 2113039184 Evaporator temp sensor 2230130056 Front panel (type A)
  • Page 23 Exploded View Parts for Model: EL-KFR36G/TN2Y-A(B) 220-240V~ 50Hz :Indoor Unit Part Name Quantity BOM code Part Name Quantity BOM code Front panel (type B) 2113159018 Evaporator temp sensor 2243069051 Front panel (type A) 2113159016 Evaporator 2153159020 Air cleaner 2113010212 Bearing holder 2273010201 Air cleaner holder 2113010217...
  • Page 24 9.2 Universal Outdoor Unit M2OA-18HRN2 220~240V,50Hz: Outdoor Unit Part Name Quantity SALE CODE BOM CODE Clamp for front net 10112121801 2113511801 Front net 10718111822 2125024203 Front clapboard 53818121807 2125024227 Small Handle 10109121802 2113500006 Strenghten board for front clapboard 10718111801 2125024213 Strenghten board for motor holder II 53818121809 2125024229...
  • Page 25 Installation plate for valves 2125024209 10718111817 Compressor B 2140061730 10718121817 Compressor A 2140061730 10718121817 Chassis 2125024231 53818121812 4-Ways valve for unit A 10409121808 2160069006 4-Ways valve for unit B 10409121808 2160069006 Compressor capacitor for unit A 10309121820 2240100402 Compressor capacitor for unit B 10309121820 2240100402 Capacitor clamp...
  • Page 26 M2OA-21HRN2 220~240V,50Hz: Outdoor Unit Part Name Quantity SALE CODE BOM CODE Clamp for front net 10112121801 2113511801 Front net 10718111822 2125024203 Front clapboard 53818121807 2125024227 Small Handle 10109121802 2113500006 Strenghten board for front clapboard 10718111801 2125024213 Strenghten board for motor holder II 53818121809 2125024229 Propeller fan...
  • Page 27 Compressor B 10718121817 2140061730 Compressor A 10721121807 2140061562 Chassis 53818121813 2125024230 4-Ways valve for unit A 50118121804 2160060051 4-Ways valve for unit B 10409121808 2160069006 Compressor capacitor for unit A 30324313020 2240100602 Compressor capacitor for unit B 10309121820 2240100402 Capacitor clamp 10109121822 2120010005 Main control board...
  • Page 28 M3OA-27HRN2 220-240V 50Hz : Outdoor Unit Part Name Quantity Sale code BOM code Front net 10830121801 2125029012 Front clapboard 10830121802 2125029016 Propeller fan 10830121803 2115029007 Fan motor 10830121804 2240041609 Holder for fan motor 10830121805 2125029025 Fixing board for fan motor holder 10830121806 2125029006 Chassis...
  • Page 29 Right clapboard 10830121815 2125019003 Big Handle 10718121821 2115029004 Installation plate for valves 10830121816 2125019004 Liquid pipe valve, unit A1 10830121817 2160074097 Gas pipe valve, unit A1 10718121822 2160071007 Liquid pipe valve, unit A2 10830121817 2160074097 Gas pipe valve, unit A2 10718121822 2160071007 Liquid pipe valve, unit B...
  • Page 30 Low Pressure Valve Ass'y 10827121804 2165019091 High Pressure Valve Ass'y 10827121805 2165019036 High Pressure Valve Ass'y 10827121806 2165019065 Wire for 4-valve 51836122805 2160060036 Wire Clamp 10112121816 2121990001 Wire for EEV 13327113806 2160130010 Copper nut, TLM-A01 10909121012 2160032000 M3OA-30HRN2 220-240V 50Hz : Outdoor Unit Part Name Quantity Sale code...
  • Page 31 Condensator, unit A 10830121809 2155019019 Cover 10830121810 2125029003 Small Handle 10830121811 2115029006 Rear net 10830121812 2115029050 Left supporting bar 10830121813 2125029008 Outdoor temp sensor 53930121801 2230131063 Separating board 10830121814 2125019002 Right clapboard 10830121815 2125019003 Big Handle 10718121821 2115029004 Installation plate for valves 10830121816 2125019004 Liquid pipe valve, unit A1...
  • Page 32 Wire jiont, 5p 10830121829 2230145090 Control board for R407C distributor 10827121807 2138950300 Compressor capacitor 30324313020 2240100602 Capacitor clamp 10909121816 2123521303 Water collector 10830121831 2115029002 Low Pressure Valve Ass'y 10827121802 2165019027 Low Pressure Valve Ass'y 10827121803 2165019046 Low Pressure Valve Ass'y 10830121820 2165019056 High Pressure Valve Ass'y...
  • Page 33 10. Characteristic of temp. sensor Temp.℃ Resistance KΩ Temp.℃ Resistance KΩ Temp.℃ Resistance KΩ 62.2756 14.6181 4.3874 58.7079 13.918 4.2126 56.3694 13.2631 4.0459 52.2438 12.6431 3.8867 49.3161 12.0561 3.7348 46.5725 11.5 3.5896 10.9731 3.451 41.5878 10.4736 3.3185 39.8239 3.1918 37.1988 9.5507 3.0707 35.2024...

Comments to this Manuals

Symbols: 0
Latest comments: