Cooper & Hunter CH-36LCDTU/I Installation Manual
Cooper & Hunter CH-36LCDTU/I Installation Manual

Cooper & Hunter CH-36LCDTU/I Installation Manual

Middle static pressure duct type
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Summary of Contents for Cooper & Hunter CH-36LCDTU/I

  • Page 2: Table Of Contents

    Table of Contents Installation Manual Accessories ............ Safety Precautions ........Installation Overview ....... Indoor Unit Installation Indoor Unit Installation ............a. Indoor Unit Parts ........b. Indoor Unit Installation Instructions ..08 Outdoor Unit Installation ......a. Outdoor Unit Installation Instructions ..
  • Page 3 Refrigerant Piping Connection ....... A. Notes on Pipe Length and Elevation ....17 B. Refrigerant Piping Connection Instructions ...18 Wiring ..........a. Outdoor Unit Wiring ....b. Indoor Unit Wiring ..... c. Power Specifications ....Air Evacuation ..........a. Evacuation Instructions ........
  • Page 4: Accessories

    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 5: Safety Precautions

    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 6: Installation Overview

    Installation Overview INSTALLATION ORDER Install the indoor unit Install the outdoor unit Install the drainpipe (Page 7) (Page 13) (Page 15) Evacuate the refrigeration system Connect the wires Connect the refrigerant pipes (Page 25) (Page 20) (Page 17) Perform a test run (Page 27) ...
  • Page 7: Indoor Unit Parts

    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 8 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 Service access COIL CONNECTION AREA CONDENSATE DRAIN PIPING AREA CONDENSATE PUMP SERVICE CLEARANCE SENSOR SERVICE CLEARANCE Unit Filter service clearance (only one side is required)
  • Page 9 Air inlet dimensions Air lter Descending ventilation opening and mounted hook Air lter Electric control box Fig. 4.3 Table.4-1 (unit: in/mm) Outline dimension air outlet opening size air return opening size Size of mounted lug MODEL (Btu/h) 34.6/880 8.3/210 26.5/674 23.6/600 5.4/136 27.8/706...
  • Page 10 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 11 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 Ø4.92”(125mm) Ø6.3”(160mm) Ventilation panel Fig.
  • Page 12: Outdoor Unit Installation Instructions

    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 13 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 14: Drain Joint Installation

    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.
  • Page 15: 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 16: Drainage Test

    Units with a pump. 3. Using a 2.5” (65-mm) 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 0.5”...
  • Page 17: 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 18: Step2: Remove Burrs

    Table 7.2 CAUTION Permitted length DO NOT deform pipe while cutting. Be extra Total piping length 18K+18K 98’/30m L+Max careful not to damage, dent, or deform the pipe (L1, L2) 24K+24K 164’/50m while cutting. This will drastically reduce the 30K+30K heating efficiency of the unit.
  • Page 19 5. Clamp flare form on the end of the pipe. NOTE: Use both a spanner and a torque wrench The end of the pipe must extend beyond when connecting or disconnecting pipes to/from the flare form. the unit. Flare form Fig.
  • Page 20: 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 21: 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 22 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.
  • Page 23: 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 24 ≤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...
  • Page 25: 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 26: 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 27: 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.

This manual is also suitable for:

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