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SERVICE MANUAL
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Wall Mounted Type
ON/OFF 3.5P(21)-Series
Model No.HSU-30LPA03/R2(T3&T4)
1U30XZ5QAM
WARNING
This service information is designed for experienced repair technicians only and is not designed for use by the general public.
It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.
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Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service or
Repair the product or products dealt with in this service information by anyone else could result in serious injury or death
2017 (Qingdao Haier Air Conditioner General corp. , Ltd)
All rights reserved. Unauthorized copying and distribution is a violation of law
Version V1
Date 2020-9-1
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Related Manuals for Haier HSU-30LPA03/R2
Summary of Contents for Haier HSU-30LPA03/R2
- Page 1 Repair the product or products dealt with in this service information by anyone else could result in serious injury or death 2017 (Qingdao Haier Air Conditioner General corp. , Ltd) All rights reserved. Unauthorized copying and distribution is a violation of law...
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Page 2: Table Of Contents
Contents Contents 1. Introduction ....................1 2. Specifications..................7 3. Sensors list ....................8 ● 4. Piping diagrams ..................9 5. Operation range ..................10 6. Wiring Diagram ..................11 ● 7. Functions and Control................8. Dimensional drawings................18 ● 9. Conter of gravity .................. 18. 10. -
Page 3: Introduction
Introduction 1 Introduction 1.1 Model name explanation 220-230V 50HZ/1ph Fixed frequency Cool Cooling only & R 410A refrigerant Version number Middle number Platform of outdoor units: X (X platform) Nominal cooling capacity (30000BTU/h) Type of outdoor unit : U (normal type) ●... - Page 4 Introduction 1.2 Safety Cautions Be sure to read the following safety cautions before conducting repair work. The caution items are classified into “Warning” and “Caution”. The “Warning” items are especially important since they can lead to death or serious injury if they are not followed closely.
- Page 5 Introduction Warning Do not repair the electrical components with wet hands . Working on the equipment with wet hands can cause an electrical shock ● Do not clean the air conditioner by splashing water. Washing the unit with water can cause an electrical shock.
- Page 6 Introduction Warning Be sure to use an exclusive power circuit for the equipment, and follow the technical standards related to the electrical equipment, the internal wiring regulations and the instruction manual for installation when conducting electrical work. ● Insufficient power circuit capacity and improper electrical work can cause an electrical shock or fire. Be sure to use the specified cable to connect between the indoor and outdoor units.
- Page 7 Introduction Do not install the equipment in a place where there is a possibility of combustible gas leaks. If a combustible gas leaks and remains around the unit, it can cause a fire. Be sure to install the packing and seal on the installation frame properly. If the packing and seal are not installed properly, water can enter the room and wet the furniture and floor.
- Page 8 Introduction Check the grounding, and repair it if the equipment is not properly grounded. Improper grounding can cause an electrical shock. Be sure to measure the insulation resistance after the repair, and make sure that the resistance is 1 M ohm or higher.
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Page 9: Specifications
Specification 2 Specifications NOMINAL DISTRIBUTION SYSTEM VOLTAGE Phase Frequency Voltage 220-240 NOMINAL CAPACITY and NOMINAL INPUT cooling 8.204(T1)/7.032(T3) Capacity rated Btu/h 28000(T1)/24000(T3) ● Power Consumption(Rated) 2.370(T1)/2.823(T3) SEER/SCOP ● 3.458(T1)/2.491(T3) Moisture Removal m³/h TECHNICAL SPECIFICATIONS-UNIT Dimensions H*W*D 950×370×815 Packaged H*W*D 1090×500×895 Dimensions Weight Gross weight... -
Page 10: Sensors List
Specification TECHNICAL SPECIFICATIONS-OTHERS R410A Refrigerant type Refrigerant charge Refrigerant Maximum allowable distance circuit between indoor an outdoor Maximum allowable level difference Refrigerant control Capillary ● 9.52 liquid ● Piping connections 15.88 (external diameter) drain Heat insulation type ● Both liquid and Gas pipes Max. -
Page 11: Piping Diagrams
Pinping diagrams 4 Pinping diagrams 15.88 CuT 9.52 CuT Domestic air conditioner... -
Page 12: Operation Range
Operation range 5 Operation range Domestic air conditioner 1 0 1 0... -
Page 13: Wiring Diagram
Wiring diagrams 6. Wiring Diagram Outdoor Domestic air conditioner 1 1 1 1... -
Page 14: Functions And Control
1 2 1 2... - Page 15 1 3 1 3...
- Page 16 1 4 1 4...
- Page 17 1 5 1 5...
- Page 18 1 6 1 6...
- Page 19 Functions and control limit of -minute delay excluding the first time), and high wind, cooling, and air door is open.The indoor fan motor runs, running indicator lights up, compressor relay and the one of outdoor fan motor is closed 7.1.9.2 During test run: The prevention of freezing of evaporator doesn’t work.
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Page 20: Dimensional Drawings
Dimensinal drawings 8.Dimensional drawings unit:mm 9.Center of gravity unit:mm Domestic air conditioner 1 8 1 8... -
Page 21: Service Diagnosis
Connector Wiri ng Diagr am 10.Service Diagnosis 10.1 Caution for Diagnosis The operation lamp flashes when any of the following errors is detected. 1.When a protection device of the indoor or outdoor unit is activated or when the thermistor malfunctions, disabling equipment operation. -
Page 22: Remove Procedure
Removal of procedure Remove Procedure 11.1 Removal of Outdoor panel Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Step Procedure Points 1.Remove the panels ● Loosen the 4 screws and lift the top panel. - Page 23 Removal of procedure Step Procedure Points Loosen the screws of the panel, pull and remove the front panel. ● Domestic air conditioner...
- Page 24 Removal of procedure 11.2 Removal of Electrical Box Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Step Procedure Points Remove the fixing screws, Than lift the electrical box. ● Domestic air conditioner...
- Page 25 Removal of procedure 11.3 Removal of Fan and Fan Motor Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Step Procedure Points Put the head wire through the back of Loosen fixing motor...
- Page 26 Removal of procedure Step Procedure Points Loosen fixing screws and remove the fan motor. ● Domestic air conditioner...
- Page 27 Removal of procedure 11.4 Removal of fan motor bracket and partition ● Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work ● Step Procedure Points Loosen fixing screws and remove the fan motor bracket.
- Page 28 Removal of procedure Step Procedure Points Loosen fixing screws, the partition When assembling, fit plate has a hook on the lower hook into the lower side, than lift the bottom frame. pull proof ● plate. Domestic air conditioner...
- Page 29 Removal of procedure 11.5 Removal of compressor and heat exchanger ● Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work ● Step Procedure Points down concenting pipe and compressor remove valve ●...
- Page 30 Removal of procedure Step Procedure Points Loosen marked fixing screws remove heat exchanger. ● Domestic air conditioner...