Related Manuals for Carrier ALLEGRO 42HQE009N
Summary of Contents for Carrier ALLEGRO 42HQE009N
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Page 1: Service Manual
42HQE - 38YE 42HQE009N 42HQE012N 42HQE018N 38YE009 38YE012N 38YE018 SERVICE MANUAL... - Page 2 Service Manual Split Wall-Mounted Type Room Air Conditioner (ALLEGRO SERIES) Model applied: 42HQE009N/38YE009 42HQE012N/38YE012N 42HQE018N/38YE018...
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Page 3: Table Of Contents
Contents 1. Features 2. Specification 3. Dimensions 4. Refrigeration cycle diagram 5. Operation limits 6. Wiring diagram 7. Specification of electrical parts 8. Troubleshooting 9. Electronic function 10. Exploded view and spare parts list... -
Page 4: Features
1. Features 1.1 Compact design. 1.2 Quiet operation. 1.3 Anti-icing function at cooling mode. 1.4 Anti-cold air function at heating mode. 1.5 Auto-defrosting and heating recovering function at heating mode. 1.6 Outdoor unit overload current protection. 1.7 Restart function. 1.8 24 hours on/off mode time setting. 1.9 Error self diagnosis function. -
Page 5: Specification
2.Specification Model 42HQE009N/38YE009 42HQE012N/38YE012N 42HQE018N/38YE018 Power supply Ph-V-Hz 1, 220-240V~, 50Hz 1, 220-240V~, 50Hz 1, 220-240V~, 50Hz Capacity Btu/h 9000 12000 17000 Rated Input 1040 1320 1980 Cooling Rated current 2.50 2.66 2.42 Capacity 10500 14000 21000 Btu/h Rated Input... - Page 6 Dimension (W*H*D) 750x250x188 815X280X195 906X286X235 Indoor unit Packing (W*H*D) 830x336x280 915X360X275 1020X380X328 Net/Gross weight 8.5/10.5 10.5/13.5 13.5/16.5 Model YDK25-6C YDK25-6C YDK53-6K Brand Welling WELLING WELLING Outdoor fan motor Input Capacitor 2.5μF/450V 3.0µF/450V Speed r/min a.Number of rows b.Tube pitch(a)xrow pitch(b) 25.4X22 21x13.37 25.4x22...
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Page 7: Dimensions
3. Dimensions 3.1 Indoor unit 42HQE009N 3.2 Indoor unit 42HQE012N... - Page 8 3.3 Indoor unit 42HQE018N 3.4 Outdoor unit 38YE009 / 38YE012N 3.5 Outdoor unit 38YE018N...
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Page 9: Refrigeration Cycle Diagram
4. Refrigeration cycle diagram Cooling & heating Indoor unit outdoor unit Auxiliary accumulator for 12K Valve Sensor of room temp 4 way valve Heat exchanger Heat exchanger Sensor of heat exchanger temp Accumulator Compressor Valve Capillary... -
Page 10: Operation Limits
5.Operation limits 5.1Cooling operation Outdoor unit air temp. ℃ DB COOLING Indoor air temp. ℃ DB Note : The chart is the result from the continuous operation under constant air temperature conditions. However, excludes the initial pull-down stage. 5.2Heating operation Indoor air temp. -
Page 11: Wiring Diagram
6. Wiring diagram 6.1 42HQE009N / 38YE009... - Page 12 6.2 42HQE012N / 38YE012N...
- Page 13 6.3 42HQE018N / 38YE018 C O M PR ESSO R R ELAY TR AN SFO R M ER BLU E W H I TE BR O W N SW I TC H BO AR D C N 14 C N 9 C N 4 C U R R EN T D ETEC TO R C N 5...
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Page 14: Specification Of Electrical Parts
7. Specification of electrical parts 7.1 Temperature-resistance of room temp. sensor & pipe temp. sensor Temperature Resistance Temperature Resistance Temperature Resistance KΩ KΩ KΩ ℃ ℃ ℃ 62.28 14.618 4.3874 58.71 13.918 4.2126 56.37 13.263 4.0459 52.24 12.643 3.8867 49.32 12.056 3.7348 46.57... -
Page 15: Troubleshooting 80
7.4 Outdoor fan motor windings resistance(@20℃). Motor model YDK25-6C YDK53-6K 73±8% Winding 1 (Main) 134±8%Ω Winding 2 (Sub) 8. Troubleshooting For all heat pump model Failure phenomenon Operation lamp Timer lamp Defrosting lamp Over current protection of the compressor occurs 4 times ☆... - Page 16 TE4: Anti-cold wind, from Breeze to Fan Off temperature TE5: Evaporator low temperature protection entering temperature TE6: Evaporator low temperature protection restoring temperature TE7: Evaporator high temperature protection, compressor off temperature TE8: Evaporator high temperature protection, fan off temperature TE9: Evaporator high temperature protection, restoring temperature 9.3 Systematic functions Remote receiving Testing and forced run...
- Page 17 Fan speed is high/mid/low/ Auto Cooling mode The 4-way valve is closed at cooling mode. The action of the compressor and the outdoor fan: Condition Compressor Outdoor fan Temp. up T>Ts+1 T<Ts+1 Temp. down T>Ts T<Ts Auto fan at cooling mode: Condition Indoor fan speed T=Indoor Temp.-Setting Temp.
- Page 18 9.7.5 At dehumidifying mode, the action of fans of indoor is the same as that of air-only mode. 9.8 Heating mode 9.8.1 Generally, the 4-way valve is open in heating mode, but it is closed in defrosting mode. 4-way valve must delay 2 minutes compared with compressor if the compressor changed into non-heating mode or turned off.
- Page 19 Defrosting operation (Available for heating only). 9.9.1 Defrosting condition: Defrosting starts when either of the following ①&②: ① A and B are satisfied: A: The compressor keeps running for 40 minutes or more. B: The temperature difference of evaporator and room temperature meets one of the following: Temp.
- Page 20 9.10 Automatic operation mode 9.10.1 The air conditioner automatically selects one of the following operation modes: cooling, heating or fan only according to the temp. difference between room temp. (TA) and set temp. (TS). TA—TS Operation mode TA—TS>2℃ Cooling -1℃≤TA—TS≤+2℃ Fan-only TA—TS<-1℃...
- Page 21 9.16 Models and Parameters Model 42HQE009N 42HQE012N 42HQE018N 38YE009 38YE012N 38YE018 I3SEC 10.0A 14.5A 17.0A I5MIN 7.5A 13.5A 16.0A IFAN 5.5A 9.5A 15.0A IRESTORE 4.5A 8.5A 13.0A IDEFROST 3.5A 6.5A 28°C 34°C 34°C 32°C 37°C 36°C 30°C 33°C 30°C 26°C 22°C...
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Page 22: Exploded View And Spare Parts List
42HQE009N HI-WALL split air conditioner ( product. 2005) - Page 23 42HQE009N HI-WALL split air conditioner ( product. 2005) Models 42HQE Notes 009N Pos. Description Part No. Front panel 10312121229 Air filter 10309121202 Screw cap 10309121203 Panel frame 10309121204 Air cleaner 10109121226 Air cleaner holder 10109121225 Window for receiver 10309121207 LED indicator...
- Page 24 38YE009 Outdoor unit ( product. 2005)
- Page 25 38YE009 Outdoor unit ( product. 2005) Models 38YE Notes Pos. Description Part No. Clamp for front net 10112121801 Front net 10109121801 Front clapboard 13012111801 Propeller fan 10112121803 Fan Motor 10112121804 Holder for fan motor 50312121801 Chassis 10209121807 Compressor 10718121817 Installation plate for valves 10118113805 Gas pipe valve 10409121806...
- Page 26 42HQE012N HI-WALL split air conditioner ( product. 2005)
- Page 27 42HQE012N HI-WALL split air conditioner ( product. 2005) Models 42HQE Notes 012N Pos. Descrizione / Description Part No. Front Panel 10312121228 Air Filter 10312121202 Screw cap 10312121203 Panel frame 10912121002 Air cleaner 10109121226 Air cleaner holder 10109121225 Window for receiver 10412121201 Display Panel 10912121003...
- Page 28 38YE012N Outdoor unit ( product. 2005)
- Page 29 38YE012N Outdoor unit ( product. 2005) Models 38YE Notes 012N Pos. Description Part No. Clamp for front net 10112121801 Front net 10109121801 Small Handle 10830121811 Front clapboard 11612121804 Propeller fan 10112121803 Fan Motor 10312111801 Holder for fan motor 20409111802 Chassis 10312111802 Compressor 10721121807...
- Page 30 42HQE018N HI-WALL split air conditioner ( product. 2005)
- Page 31 42HQE018N HI-WALL split air conditioner ( product. 2005) Models 42HQE Notes 018N Pos. Description Part No. Front Panel 10321111047 Air filter 10318121202 Air cleaner 10109121226 Air cleaner holder 10109121225 Panel frame 10318121203 Display cover 10418111001 Evaporator temp sensor 13107121002 Clip temperature sensor 10321111036 Horizontal louver up 10321111039...
- Page 32 38YE018 Outdoor unit ( product. 2005)
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Page 33: Outdoor Unit
38YE018 Outdoor unit ( product. 2005) Models 38YE Notes Pos. Description Part No. Guard fan 10321111044 Front panel 10924121801 Front cabinet assy, right 10118121803 Propeller fan 10118121804 Fan Motor 12818111807 Base pan assembly 10121121802 Foam, motor holder 10118121807 Cover assembly 10118121827 Holder for fan motor 10118121809... - Page 34 Via R. Sanzio, 9 - 20058 Villasanta (MI) Italy - Tel. 039/3636.1 The manufacturer reserves the right to change any product specifications without notice.