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ROOM AIR CONDITIONER
INSTALLATION MANUAL
●
Please read this manual carefully before installtion.
Keep this operation manual for future reference.
NO.0010535388
2U14CS1ERA
2HUM14HC03/R2(DB)
2U18FS1ERA
2HUM18HC03/R2(DB)
Contents
Indoor/Outdoor Unit
Installion Drawings
Safety Precautions
Read Before Installation
Installation Procedure
Outdoor Unit
Troubleshooting
1
2
6
9
14
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Summary of Contents for Haier 2HUM18HC03
- Page 1 ROOM AIR CONDITIONER INSTALLATION MANUAL Contents 2U14CS1ERA Indoor/Outdoor Unit 2HUM14HC03/R2(DB) Installion Drawings Safety Precautions Read Before Installation Installation Procedure Outdoor Unit Troubleshooting 2U18FS1ERA 2HUM18HC03/R2(DB) ● Please read this manual carefully before installtion. Keep this operation manual for future reference. NO.0010535388...
- Page 2 Haier Industrial Park, No.1 Haier Road, Qingdao, P.R.China IMPORTANT INFORMATION REGA- EUROPEAN REGULATIONS RDING THE REFRIGERANT USED CONFORMITY FOR THE MODELS Contains fluorinated greenhouse gases covered by the Kyoto Protocol All the products are in conformity with the following R410A...
- Page 3 Indoor/Outdoor Unit Installation Drawings The models adopt HFC free refrigerant R410A. For installation of the indoor units,refer to the installation manual which was provided with the units. (The diagram shows a wall-mounted indoor unit.) Attention must be paid to the rising up of drain hose more than 15 cm Optional parts for piping Indoor unit A...
- Page 4 WARNING CAUTION...
- Page 5 Safety Precautions WARNING Have the unit professionally installed. Be sure to carefully follow each step in this handbook when Improper installation by an unqualified person may result installing the unit. in water leak, electric shock, or fire. Improper installation may result in water leak, electric shock, smoke or fire.
- Page 6 Safety Precautions Precautions for Handling Units for Use with R410A Caution Do not use the existing refrigerant piping Use a vacuum pump with a reverse-flow check valve. The old refrigerant and refrigerator oil in the existing piping If other types of valves are used, the vacuum pump oil will contain a large amount of chlorine, which will cause the flow back into the refrigerant cycle and cause the refrigerator refrigerator oil in the new unit to deteriorate.
- Page 7 Safety Precautions Before Installing (Relocating) the Unit or Performing Electric Work Caution Ground the unit. Do not spray water on the air conditioners or immerse the Do not connect the grounding on the unit to gas pipes,water air conditioners in water. pipes, lightning rods, or the grounding terminals of Water on the unit presents a risk of electric shock.
- Page 8 Read Before Installation Items to Be Checked (1). Verify the type of refrigerant used by the unit to be serviced. Refrigerant Type: R410A (2). Check the symptom exhibited by the unit to be serviced. Look in this service handbook for symptoms relating to the refrigerant cycle.
- Page 9 Read Before Installation Piping Materials Types of Copper Pipes (Reference) Maximum Operation Pressure Applicable Refrigerants 3.4MPa R22, R407C 4.15MPa R410A Use pipes that meet the local standards. Piping Materials/Radial Thickness Use pipes made of phosphorus deoxidized copper. Since the operation pressure of the units that use R410A is higher than that of the units for use with R22, use pipes with at least the radial thickness specified in the chart below.
- Page 11 Air outlet Wind direction Cushion rubber 4.Installation dimension(Unit:mm)
- Page 12 2U14CS1ERA 2U18FS1ERA Connection of pipes To bend a pipe, give the roundness as large as possible not to crush the pipe , and the bending radius should be 30 to 40 mm or longer. Connecting the pipe of gas side first makes working easier. The connection pipe is specialized for R410A.
- Page 14 2-way valve 2-way valve 3-way valve 3-way valve 2-way valve 2-way valve 3-way valve 3-way valve Each indoor unit musts to be vacuumed , according to the above steps. If the refrigerant of the air conditioner leaks, it is necessary to discharge all the refrigerant. Vacuumize first, then charge the liquid refrigerant into air conditioner according to the amount marked on the name plate.
- Page 15 2U14CS1ERA 2U18FS1ERA T 25A/250V. Outdoor unit A Outdoor unit A 2U14CS1ERA To Indoor unit A To Indoor unit A Model 2U18FS1ERA DOUBLE Connecting wiring Outdoor unit B Outdoor unit B 4G0.75mm DOUBLE Power cable 3G2.5mm To Indoor unit B To Indoor unit B POWER POWER...
- Page 16 Outdoor Unit When the The wiring of compressor is wrong or Suction temperature sensor failure the connection is poor Lack off refrigerant or check if there is leak- age in the unit...