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Summary of Contents for Cooper & Hunter CH-12LCDTU/I
- Page 1 CH-09LCDTU/I CH-12LCDTU/I CH-18LCDTU/I CH-24LCDTU/I...
- Page 3 Table of Contents Installation Manual Accessories ........Safety Precautions ......Installation Overview ....... Indoor Unit Installation ....a. Indoor Unit Parts ......b. Indoor Unit Installation Instructions ..09 Outdoor Unit Installation a. Outdoor Unit Installation Instructions b.
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Page 4: Table Of Contents
Refrigerant Piping Connection ....... A. Notes on Pipe Length and Elevation ....18 B. Refrigerant Piping Connection Instructions ...20 Wiring ..........a. Outdoor Unit Wiring ....b. Indoor Unit Wiring ..... c. Power Specifications ....Air Evacuation ..........a. Evacuation Instructions ........ - Page 5 Accessories The air conditioning system comes with the following accessories. Use all of the installation parts and accessories to install the air conditioner. Improper installation may result in water leakage, electrical shock and re, or equipment failure. NAME SHAPE QUANTITY Soundproof / insulation sheath Tubing &...
- Page 6 Safety Precautions Read Safety Precautions Before Installation Incorrect installation due to ignoring instructions can cause serious damage or injury. The seriousness of potential damage or injuries is classified as either a WARNING or CAUTION. Failure to observe a warning may result in death. The product must be installed by installers or contractors who are licensed HVAC professionals and in compliance with all local, state and provincial laws.
- Page 7 Installation Overview INSTALLATION ORDER Install the indoor unit Install the outdoor unit Install the drainpipe (Page 8) (Page 13) (Page 15) Evacuate the refrigeration system Connect the wires Connect the refrigerant pipes (Page 28) (Page 23) (Page 18) Perform a test run (Page 30) ...
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Page 8: Indoor Unit Installation
Indoor Unit Installation Indoor Unit Parts Air inlet Electric control cabinet Air filter(on selected models) Drain hose Air outlet Refrigerant connecting pipe Fig. 4.1 Safety Precautions CAUTION WARNING • Securely install the indoor unit on a structure • Install the indoor and outdoor units, cables that can sustain its weight. - Page 9 Installation place > 11.8in(30cm) Strong and durable ceiling >0.8in(2cm) Indoor unit Right Left side side > 0.8in(2cm) Service access Ceiling >4in(10cm) >11.8in(30cm) Floor Maintenance space > Air outlet 11.8 (30cm) > (20cm) Air inlet 23.6 x23.6 (60cmx60cm) checking orifice Fig. 4.2 Step 2: Hang indoor unit.
- Page 10 Air inlet dimensions Air lter Descending ventilation opening and mounted hook Air lter Electric control box Fig. 4.3 Table.4-1 (unit: inch/mm) Outline dimension air outlet opening size air return opening size Size of mounted lug MODEL (Btu/h) 9K/12K 27.6/700 7.9/200 19.9/506 17.7/450 6/152...
- Page 11 Screw nut CAUTION Shockproof cushion The unit body must be completely aligned with the hole. Ensure that the unit and the hole are Overhang part Washer the same size before moving on. Hanging screw bolt 2. Install and t pipes and wires after you have Fig.
- Page 12 Step 4: Adjust the air inlet direction Step 5: Fresh air duct installation (from rear side to under-side). Dimension : Duct joint for fresh air 1. Take o the ventilation panel and ange. Air return ange MODLE 18-60 Ø125mm(4.92”) Ø160mm(6.3”) Ventilation panel Fig.
- Page 13 Outdoor Unit Installation The area must be free of combustible gases √ Outdoor Unit Installation Instructions and chemicals. The pipe length between the outdoor and √ Step 1: Select installation location. indoor unit may not exceed the maximum The outdoor unit should be installed in the allowable pipe length.
- Page 14 Split Type Outdoor Unit Vertical Discharge Type Outdoor Unit (Refer to Fig 5.4, 5.5, 5.6, 5.10 and Table 5.1) (Refer to Fig 5.7, 5.8, 5.9 and Table 5.2) (Wall or obstacle) Air Outlet > 47” / 120cm Fig. 5.4 Fig. 5.7 Fig.
- Page 15 NOTE: The minimum distance between the 2. Insert the drain joint into the hole in the base outdoor unit and walls described in the pan of the unit. installation guide does not apply to airtight 3. Rotate the drain joint 90° until it clicks in place rooms.
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Page 16: Drainpipe Installation
Drainpipe Installation The drainpipe is used to drain water away from NOTE ON DRAINPIPE INSTALLATION the unit. Improper installation may cause unit • When using an extended drainpipe, tighten and property damage. the indoor connection with an additional protection tube. This prevents it from CAUTION pulling loose. - Page 17 Units with a pump. 3. Using a 65-mm (2.5”) core drill, drill a hole in the wall. Make sure that the hole is drilled at 1. Remove the test cover. a slight downward angle, so that the outdoor Fill the water pan with 2 liters of water. end of the hole is lower than the indoor end by about 12mm (0.5”).
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Page 18: Refrigerant Piping Connection
Refrigerant Piping Connection Safety Precautions Notes On Pipe Length and Elevation Ensure that the length of the refrigerant pipe, the number of bends, and the drop height between WARNING the indoor and outdoor units meets the • All eld piping must be completed by a requirements shown in Table 7.1: licensed technician and must comply with the local and national regulations. - Page 19 CAUTION CAUTION • Oil traps If the outdoor unit is installed higher than the indoor unit: If the indoor unit is installed higher than the outdoor unit: -It is recommended that vertical suction risers not be upsized. Proper oil return to the -If oil flows back into the outdoor unit’s compressor should be maintained with suction compressor, this might cause liquid...
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Page 20: Refrigerant Piping Connection Instructions
Table 7.2 Step1: Cut pipes Permitted length When preparing refrigerant pipes, take extra Total piping length 18K+18K 98’/30m L+Max care to cut and flare them properly. This will (L1, L2) 24K+24K 164’/50m ensure efficient operation and minimize the 30K+30K need for future maintenance. (farthest distance from 49’/15m L1, L2... - Page 21 Step 3: Flare pipe ends Table 7.5: PIPING EXTENSION BEYOND FLARE FORM Proper flaring is essential to achieve an Pipe Tightening Flare dimension (A) Flare shape torque (Unit: Inch/mm) gauge airtight seal. Min. Max. 1. After removing burrs from cut pipe, seal 18-20 N.m 0.33/8.4 0.34/8.7...
- Page 22 NOTE: Use both a spanner and a torque wrench NOTE: DO NOT intertwine signal cable with when connecting or disconnecting pipes to/from other wires. While bundling these items the unit. together, do not intertwine or cross the signal cable with any other wiring. 7.
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Page 23: Wiring
Wiring To prevent distortion when the compressor starts Safety Precautions (you can nd the unit’s power information on the rating sticker): WARNING • The unit must be connected to the main • Disconnect the power supply before outlet. Normally, the power supply must working on the unit. -
Page 24: Indoor Unit Wiring
Table 8.2: Other World Regions Indoor Unit Wiring Rated Current of Nominal Cross-Sectional 1. Prepare the cable for connection Appliance (A) Area (mm²) a. Using wire strippers, strip the rubber jacket 0.75 from both ends of the signal cable to reveal ≤... - Page 25 CAUTION While connecting the wires, please strictly • - Press “CONFIRM”. The air conditioning follow the wiring diagram. unit will then start the fan for air ow The refrigerant circuit can become very • automatic adjustment. hot. Keep the interconnection cable away from the copper tube.
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Page 26: Power Specifications
Power Specifications NOTE: Electric auxiliary heating type circuit breaker/fuse need to add more than 10 A. Indoor Power Supply Specifications ≤18K MODEL(Btu/h) 19K~24K 25K~36K 37K~48K 49K~60K PHASE 1 Phase 1 Phase 1 Phase 1 Phase 1 Phase POWER FREQUENCY 208-240V 208-240V 208-240V 208-240V 208-240V AND VOLT CIRCUIT BREAKER/ 25/20... - Page 27 ≤36K ≤36K MODEL(Btu/h) 37K~60K 37K~60K PHASE 1 Phase 1 Phase 1 Phase 1 Phase POWER FREQUENCY (indoor) 208-240V 208-240V 208-240V 208-240V AND VOLT CIRCUIT BREAKER/FUSE(A) 15/10 15/10 15/10 15/10 PHASE 3 Phase 3 Phase 3 Phase 3 Phase POWER FREQUENCY (outdoor) 380-420V 380-420V...
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Page 28: Air Evacuation
Air Evacuation 4. Turn on the vacuum pump to evacuate the Safety Precautions system. 5. Run the vacuum for at least 15 minutes, or until the Compound Meter reads -76cmHG CAUTION (-1x105Pa). 6. Close the manifold gauge’s Low Pressure • Use a vacuum pump with a gauge reading valve and turn o the vacuum pump. -
Page 29: Note On Adding Refrigerant
Note On Adding Refrigerant CAUTION • Refrigerant charging must be performed after wiring, vacuuming, and the leak testing. DO NOT exceed the maximum allowable quantity of refrigerant or overcharge the system. • Doing so can damage the unit or impact it’s functioning. •... -
Page 30: Test Run
Test Run f. Check to see that the drainage system is Before Test Run unimpeded and draining smoothly. A test run must be performed after the entire g. Ensure there is no vibration or abnormal system has been completely installed. Confirm noise during operation.
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