Table of Contents
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Table of Contents
Related Manuals for Carrier 42HQE - 38YE
Summary of Contents for Carrier 42HQE - 38YE
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Page 1: Service Manual
42HQE - 38YE 42HQE022N 38YE022 SERVICE MANUAL... - Page 2 Service Manual Split Wall-Mounted Type Room Air Conditioner (ALLEGRO SERIES) Model applied: 42HQE022N/38YE022...
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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 42HQE022N/38YE022 Power supply Ph-V-Hz 1, 220-240V~, 50Hz Capacity Btu/h 21500 Rated Input 2480 Cooling Rated current 2.54 Capacity Btu/h 25000 Rated Input 2550 Heating Rated current 11.4 2.87 Moisture Removal Max. input consumption 3200 Max. current Starting current Model PG420X3CS-4KU1 Type... - Page 6 Model YDK53-6K Brand Welling Input Outdoor fan motor Capacitor Speed r/min a.Number of rows b.Tube pitch(a)xrow pitch(b) 25.4x22 c.Fin spacing Outdoor coil d.Fin type (code) Hydrophilic aluminium e.Tube outside dia.and type Ф9.53,innergroove tube f.Coil length x height x width 797X660X44 g.Number of circuits Outdoor fan Type and Diameter...
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Page 7: Dimensions
3. Dimensions 3.1 Indoor unit 42HQE022N 3.2 Outdoor unit 38YE022... -
Page 8: 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 9: 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 10: Wiring Diagram
6. Wiring diagram Model: 42HQE022N / 38YE022... -
Page 11: Specification Of Electrical Parts
7. Specification of electrical parts 7.1 Temperature-resistance of indoor sensor and outdoor 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 11.5 3.5896... -
Page 12: Troubleshooting 80
8. Troubleshooting LED status Cause Operation indicator, Timer indicator, Defrosting Four times current protection (PRCUR1) 5Hz indicator(Fan indicator, for cooling only type), Auto indicator flicker at 5Hz Time indicator flickers at 5Hz The room temperature sensor o is open or short The evaporator temperature sensor is open or Operation indicator flickers at 5Hz short... - Page 13 9.3 Dehumidifying mode 9.3.1 Indoor fan speed at low speed. 9.3.2 Protection is same as cooling mode. Heating mode 9.4.1 Generally, the 4-way valve is open in heating mode, but it is closed in defrosting mode. 9.4.2 Generally, the outdoor fan is turned off with the on-off action of compressor in heating mode, except for the defrosting mode or the end of defrost.
- Page 14 Calculate from the end of latest defrost, evaporator high temp. protection only closes outdoor fan with the compressor still running. Add up to 90 minutes. 9.5.2 Conditions of defrost ending: Defrosting ends when either of the following : The time gets to 10 minutes; T3>20°c 9.5.3 Time sequence of the whole defrosting procedure is as follows: Defrost 10or 6minutes...
- Page 15 Protection against low temperature. If any of the protection functions, the comparative protecting action is executed. The forced cooling mode is closed by one touch on the button, meanwhile the operation light is off, the buzzer buzzes lasts for 1 seconds, then A/C turns to be closedown status. 9.8.2.
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Page 16: Exploded View And Spare Parts List
42HQE022N HI-WALL split air conditioner ( product. 2005) - Page 17 42HQE022N HI-WALL split air conditioner ( product. 2005) Models 42HQE Notes 022N Pos. Description Part No. Front Panel 10321111046 Air filter 10321111001 Air cleaner 10321111002 Screw cap 10321111003 Panel frame 10321121004 Horizontal louver 10321121005 Louvers holder 10321121006 Stopper 10321121007 Big bush 10321121008 Small bush 10321121009...
- Page 18 38YE022 Outdoor unit ( product. 2005)
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Page 19: Outdoor Unit
38YE022 Outdoor unit ( product. 2005) Models 38YE Notes Pos. Description Part No. Clamp for front net 10112121801 Front net 10118121801 Front clapboard 10118121802 Front cabinet, right 10118121803 Propeller fan 10118121804 Fan Motor 10121121801 Chassis 10122113803 Foam, motor holder 10118121807 Cover 10118121808 Holder for fan motor... - Page 20 Via R. Sanzio, 9 - 20058 Villasanta (MI) Italy - Tel. 039/3636.1 The manufacturer reserves the right to change any product specifications without notice.
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