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C&H NORDIC COMMERCIAL 4
Floor Ceiling Type Unit
Installation Manual
Air Conditioners
Models:
Indoor Unit
Outdoor Unit
CH-IF09NK4 CH-IU09NK4
CH-IF12NK4 CH-IU12NK4
CH-IF18NK4 CH-IU18NK4
CH-IF24NK4 CH-IU24NK4
CH-IF30NK4 CH-IU30NK4
CH-IF36NK4 CH-IU36NK4
CH-IF42NK4 CH-IU42NK4
CH-IF48NK4 CH-IU48NK4
CH-IF36NM4 CH-IU36NM4
CH-IF42NM4 CH-IU42NM4
CH-IF48NM4 CH-IU48NM4
CH-IF60NM4 CH-IU60NM4
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Summary of Contents for Cooper & Hunter CH-IF09NK4
- Page 1 C&H NORDIC COMMERCIAL 4 Floor Ceiling Type Unit Installation Manual Air Conditioners Models: Indoor Unit Outdoor Unit CH-IF09NK4 CH-IU09NK4 CH-IF12NK4 CH-IU12NK4 CH-IF18NK4 CH-IU18NK4 CH-IF24NK4 CH-IU24NK4 CH-IF30NK4 CH-IU30NK4 CH-IF36NK4 CH-IU36NK4 CH-IF42NK4 CH-IU42NK4 CH-IF48NK4 CH-IU48NK4 CH-IF36NM4 CH-IU36NM4 CH-IF42NM4 CH-IU42NM4 CH-IF48NM4 CH-IU48NM4 CH-IF60NM4 CH-IU60NM4 Thank you for choosing our product.
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Page 2: Table Of Contents
Contents 1 Safety Precautions ..................1 2 Outline of the Unit and Main Parts..............2 3 Preparative for Installation ................3 3.1 Standard Accessory Parts ................3 3.2 Selection of the Installation Location ............4 3.3 Connection Pipe Requirement ..............5 3.4 Electrical Requirement ................ -
Page 3: Safety Precautions
C&H NORDIC COMMERCIAL 4 Floor Ceiling Type Unit 1 Safety Precautions This mark indicates procedures which, if improperly performed, might lead to the WARNING! death or serious injury of the user. This mark indicates procedures which, if improperly performed, might possibly result CAUTION! in personal harm to the user, or damage to property. -
Page 4: Outline Of The Unit And Main Parts
C&H NORDIC COMMERCIAL 4 Floor Ceiling Type Unit 2 Outline of the Unit and Main Parts Indoor 1. Guide louver 2. Air filter 3. Wired controller Outdoor 4. Wireless Controller Air inlet 5. Binding tape 6. Drain Pipe 7. Gas Pipe 8. -
Page 5: Preparative For Installation
C&H NORDIC COMMERCIAL 4 Floor Ceiling Type Unit 3 Preparative for Installation 3.1 Standard Accessory Parts The standard accessory parts listed below are furnished and should be used as required. Table 1 Indoor Unit Accessories Name Appearance Q'ty Usage To fix the hook on the cabinet Nut with Washer of the unit. -
Page 6: Selection Of The Installation Location
C&H NORDIC COMMERCIAL 4 Floor Ceiling Type Unit 3.2 Selection of the Installation Location WARNING! The unit must be installed where strong enough to withstand the weight of the unit and fixed securely, otherwise the unit would topple or fall off. CAUTION! ①... -
Page 7: Connection Pipe Requirement
C&H NORDIC COMMERCIAL 4 Floor Ceiling Type Unit 3.2.2 Outdoor Unit WARNING! ① . Install the unit where it will not be tilted by more than 5°. ② . During installation, if the outdoor unit has to be exposed to strong wind, it must be fixed securely. If possible, do not install the unit where it will be exposed to direct sunlight. -
Page 8: Electrical Requirement
Pipe Difference between pipe(Outer Item Length Indoor Unit and Diameter × wall Liquid Model Outdoor Unit (m) thickness) (mm) φ17×1.75 CH-IF09NK4 CH-IU09NK4 φ17×1.75 CH-IU12NK4 CH-IU12NK4 φ17×1.75 CH-IU18NK4 CH-IU18NK4 φ17×1.75 CH-IU24NK4 CH-IU24NK4 φ17×1.75 CH-IU30NK4 CH-IU30NK4 φ17×1.75 CH-IU36NK4 CH-IU36NK4 φ17×1.75 CH-IU42NK4 CH-IU42NK4 φ17×1.75... - Page 9 C&H NORDIC COMMERCIAL 4 Floor Ceiling Type Unit Table 5 Minimum Sectional Area of Power Power Capability of Air Model Supply Switch(A) Cable and Earth line (mm CH-IU09NK4 CH-IU12NK4 CH-IU18NK4 CH-IU24NK4 220-240V ～ 50Hz CH-IU30NK4 CH-IU36NK4 CH-IU42NK4 CH-IU48NK4 CH-IU36NM4 CH-IU42NM4 380-415V 3N ～...
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Page 10: Installation Of The Unit
If the installation location is not strong enough, the indoor unit may fall and cause injuries. ② . If the job is done with the panel frame only, there is a risk that the unit will come loose. ③ . Please take care. Fig.4 Table 6 Model CH-IF09NK4 CH-IF12NK4 1220 1158 CH-IF18NK4 CH-IF24NK4 CH-IF30NK4 CH-IF36NK4... - Page 11 C&H NORDIC COMMERCIAL 4 Floor Ceiling Type Unit 4.1.2 Preparation for Installing the Indoor Unit (1). Open the air inlet grille and the screw cover, and remove the screws. (2). Release the claws in the 3 places indicated. (3). Release the center hook and remove the front panel. (4).
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Page 12: Installation Of The Outdoor Unit
C&H NORDIC COMMERCIAL 4 Floor Ceiling Type Unit Ceiling type ◆ Ceiling Suspension bolt Spring washer Right side Left side panel panel Hanger Fig.7 (6). Adjust the height of the unit to make the drain pipe slant slightly downward so that the drainage will become much smoother. - Page 13 C&H NORDIC COMMERCIAL 4 Floor Ceiling Type Unit 4.2.1 Outdoor unit dimension Fig.9 Table 7 Unit: mm Item Model CH-IU09NK4 CH-IU12NK4 CH-IU18NK4 CH-IU24NK4 CH-IU30NK4 CH-IU36NK4 1107 1100 CH-IU36NM4 CH-IU42NM4 CH-IU42NK4 1349 CH-IU42NK4 CH-IU48NM4 1085 1365 CH-IU60NM4 4.2.2 Condensate Drainage of the Outdoor Unit(Only for the heat pump unit) (Fig.10) (1).
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Page 14: Installation Of The Connection Pipe
C&H NORDIC COMMERCIAL 4 Floor Ceiling Type Unit Bottom Drain cap Drain pipe mounting hole Fig.10 4.3 Installation of the Connection Pipe 4.3.1 Flare Processing (1). Cut the connection pipe with the pipe cutter and remove the burrs. (2). Hold the pipe downward to prevent cuttings from entering the pipe. (3). - Page 15 C&H NORDIC COMMERCIAL 4 Floor Ceiling Type Unit CAUTION! ① . To prevent breaking of the pipe, avoid sharp bends. Bend the pipe with a radius of curvature of 150 mm or over. ② . If the pipe is bent repeatedly at the same place, it will break. 4.3.3 Connecting the Pipe at the Indoor Unit Side Detach the caps and plugs from the pipes.
- Page 16 C&H NORDIC COMMERCIAL 4 Floor Ceiling Type Unit Table 8 Flare nut tightening torque Pipe Diameter Tightening Torque 1/4˝(Inch) 15-30 (N·m) 3/8˝(Inch) 35-40 (N·m) 5/8˝(Inch) 60-65 (N·m) 1/2˝(Inch) 45-50 (N·m) 3/4˝(Inch) 70-75 (N·m) 7/8˝(Inch) 80-85 (N·m) CAUTION! Be sure to connect the gas pipe after connecting the liquid pipe completely. 4.3.4 Connecting the Pipe at the Outdoor Side Unit Tighten the flare nut of the connection pipe at the outdoor unit valve connector.
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Page 17: Vacuum And Gas Leakage Inspection
C&H NORDIC COMMERCIAL 4 Floor Ceiling Type Unit 4.3.7Liquid Pipe and Drain Pipe Sealed If the outdoor unit is installed lower than the indoor unit (See Fig.18) Saddle (1). A drain pipe should be above ground and the end of the pipe does not dip into water. - Page 18 C&H NORDIC COMMERCIAL 4 Floor Ceiling Type Unit vacuum pump. Meanwhile, the switch at the high pressure side of the manifold valve assembly should be kept closed, otherwise evacuation would fail. (5). The evacuation duration depends on the unit’s capacity, generally, 15 minutes for the 09K/12K units, 20 minutes for the 18K units, 30 minutes for the 24/30/36K units, 45 minutes for the 42/48/60 units.
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Page 19: Installation Of The Drain Pipe
C&H NORDIC COMMERCIAL 4 Floor Ceiling Type Unit Table 9 Model Unnecessary Charge Additional Refrigerant Amount Standard Pipe Length Item Pipe Length for Extra Pipe 09~18K ≤ 7.5m 30 g/m 24~42K ≤ 7.5m 60 g/m 48~60K 7.5m ≤ 9.5m 60 g/m When the height difference between the indoor unit and outdoor unit is larger than 10 meters, an oil bend should be employed for every 6 meters. - Page 20 C&H NORDIC COMMERCIAL 4 Floor Ceiling Type Unit (4) Connect the drain hose.(Fig.23) Drain hose must slope downward. Allow no trap to form in the piping Do not allow end of hose to touch water Fig.23 4.5.2 Installing the Drain Pipes (1).
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Page 21: Electrical Wiring
C&H NORDIC COMMERCIAL 4 Floor Ceiling Type Unit Drain pan Drain hose ② Bottom-right piping ① Right side piping Fig.27 4.5.4 Testing of Drain Piping (1) After piping work is finished, check if drainage flows smoothly. (2) As shown in the figure, pour water into the drain pan from the right side to check that water flows smoothly from the drain hose. - Page 22 C&H NORDIC COMMERCIAL 4 Floor Ceiling Type Unit ⑧ . Install a leakage special branch circuit breaker in accordance with the related laws and regulations and electric company standards. CAUTION ! ① . The power source capacity must be the sum of the air conditioner current and the current of other electrical appliances.
- Page 23 ⑤ . Always fasten the outside covering of the connection cord with cord clamps. (If the insulator is not clamped, electric leakage may occur.) ⑥ . Always connect the ground wire. (4). Electric wiring between the indoor and outdoor units Single-phase units(09K~30K) CH-IU09NK4+CH-IF09NK4 CH-IU12NK4 +CH- IF12NK4 CH-IU18NK4+CH-IF18NK4 ① . Power cord 3×1.5mm (H07RN-F) ② . Power cord 3×1.0mm (H05RN-F) ③...
- Page 24 C&H NORDIC COMMERCIAL 4 Floor Ceiling Type Unit Single-phase units(36K~48K) CH-IU36NK4+CH-IF36NK4 CH-IU42NK4+CH- IF42NK4 ① . Power cord 3×2.5mm (H07RN-F) ② . Power cord 3×1.0mm (H05RN-F) ③ . Communication Cords 2×0.75mm (H05RN-F) CH-IU48NK4+CH-IF48NK4 ① . Power cord 3×6.0mm (H07RN-F) ② . Power cord 3×1.0mm (H05RN-F) ③...
- Page 25 C&H NORDIC COMMERCIAL 4 Floor Ceiling Type Unit CAUTION! ① . The power cord and the wire of the fresh air valve are high-voltage, while the communication cord and connection wire of the wired controller are low-voltage. They should run separately against electromagnetic interference.
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Page 26: Installation Of Controllers
C&H NORDIC COMMERCIAL 4 Floor Ceiling Type Unit Three-phase: 36K~60K Fig.35 Routing of External Power Lines Power lines should go along the right side plate and be fixed to the fixation hook with binding wires to keep no contact with pipelines. Communication lines between indoor and outdoor units also should go along the right side plate and keep away from power lines. - Page 27 C&H NORDIC COMMERCIAL 4 Floor Ceiling Type Unit Compressor high discharge temperature protection Communication error Indoor fan motor error Full water protection Indoor ambient temperature sensor error Evaporator temperature sensor error Condenser temperature sensor error Outdoor ambient temperature sensor error Discharge temperature sensor error Temperature sensor error of wired controller Capacity code error...
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Page 28: Working Temperature Range
C&H NORDIC COMMERCIAL 4 Floor Ceiling Type Unit (2). Instructions to the Error Indicating Lamps on the Panel of the Floor Ceiling Type Unit. States of the Indicating Lamps: Indicating Lamp of “POWER”: The indicating lamp will ① . shine when power on, while it will go out when power off. ①... -
Page 29: Troubleshooting And Maintenance
C&H NORDIC COMMERCIAL 4 Floor Ceiling Type Unit 7. Troubleshooting and Maintenance 7.1 Troubleshooting If your air-conditioning unit suffers from abnormal operation or failure, please first check the following points before repair: Table 12 Failure Possible Reasons The power supply is not connected. ①... -
Page 30: Routine Maintenance
C&H NORDIC COMMERCIAL 4 Floor Ceiling Type Unit 7.2 Routine Maintenance WARNING ! ① . Do turn off the unit and cut off the main power supply when cleaning the air conditioner, otherwise electric shock may happen. ② . Do not make the air conditioner wet or electric shock may be lead; Ensure that the air conditioner will not be cleaned by water rinsing under any circumstance. - Page 31 C&H NORDIC COMMERCIAL 4 Floor Ceiling Type Unit 5. Disassemble the electric box cover After the right side board is removed, the electric box cover will be shown up and disassemble the fixed screws on it. (2). At the Start of the Seasonal Use 1) Check if there is blockage at the inlet or outlet vent of air conditioner.
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