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Related Manuals for Cooper & Hunter PEAQ CH-PQ18AHU
Summary of Contents for Cooper & Hunter PEAQ CH-PQ18AHU
- Page 1 AIR-HANDLER AIR CONDITIONER Installation Manual Models: CH-PQ18AHU CH-PQ24AHU CH-PQ33AHU CH-PQ36AHU CH-PQ48AHU CH-PQ55AHU IMPORTANT NOTE: Read this manual carefully before installing or operating your new air conditioning unit. Make sure to save this manual for future reference.
- Page 3 About the Company With more than 25 years of experience in air conditioning and ventilation, Cooper&Hunter is considered one of the HVAC leaders in the US market. Distributed in more than 55 countries worldwide, brand dedicated technological innovation consumer-driven product development, while generating HVAC equipment that adheres to the highest quality standards in the US.
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Page 4: Warranty Registration
Learn more about your unit Learn more technical information about your unit at www.cooperandhunter.us, where you can find submittals, leaflets, videos and all technical specifications of your unit. Step 1 On the website cooperandhunter.us, type in your unit model number into the search field and click enter. - Page 5 How to apply for the rebate program Almost all Cooper&Hunter equipment is eligible for the rebate program.Visit our website to see if the rebates apply to your location. Step 1 Go to cooperandhunter.us/rebates to add your zip code and select your outdoor unit to see if your unit qualifies for the rebate.
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Page 6: Table Of Contents
CONTENTS SAFETY PRECAUTIONS ACCESSORIES PRUDUCT OVERVIEW INDOOR UNIT INSTALLATION REFRIGERANT PIPING CONNECTION WIRING PRECAUTIONS SPECIFICATION AIR EVACUATION NOTE ON ADDING REFRIGERANT TEST RUN Read this manual Inside you’ll find many helpful hints on how to use and maintain your air conditioner properly. Just a little preventive care on your part can save you a great deal of time and money over the life of your air conditioner. -
Page 7: Safety Precautions
SAFETY PRECAUTIONS It is really important you read Safety Precautions Before Operation and 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. Explanation of Symbols WARNING This symbol indicates the possibility of personal injury or loss of... - Page 8 WARNINGS FOR PRODUCT INSTALLATION Turn o the air conditioner and disconnect the power before performing any ● installation or repairs. Failure to do so can cause electric shock. Installation must be performed by an authorized dealer or specialist according to ●...
- Page 9 WARNING FOR USING FLAMMABLE REFRIGERANT 1. Installation (Space) - That the installation of pipe-work shall be kept to a minimum. - That pipe-work shall be protected from physical damage. - Where refrigerant pipes shall be compliance with national gas regulations. - That mechanical connections shall be accessible for maintenance purposes.
- Page 10 NOTE ABOUT FUSE SPECIFICATIONS • The air conditioner’s circuit board (PCB) may be designed with a fuse to provide overcurrent protection. This fuse must be replaces with identical component. • The specifications of the fuse, if equipped, are printed on the circuit board, examples of such are T5A/250VAC and T10A/250VAC.
- Page 11 NOTE The abreviations in this section are explained as follows : Mc: The actual refrigerant charge in the system. A: the actual room area where the appliance is installed. Amin: The required minimum room area. Mmax: The allowable maximum refrigerant charge in a room. Qmin: The minimum circulation airllow.
- Page 12 Model Indoor unit Outdoor unit 18K(115/208-230V) CH-PQ18AHU CH-PQ18-230VO CH-PQ24AHU CH-PQ24-230VO 24K(115/208-230V) 33K(115/208-230V) CH-PQ33AHU CH-PQ33-230VO CH-PQ36AHU CH-PQ36-230VO 36K(115/208-230V) 48K(115/208-230V) CH-PQ48AHU CH-PQ48-230VO 55K(115/208-230V) CH-PQ55AHU CH-PQ55-230VO c or c or c or c or [oz/kg] [ft²/m²] [oz/kg] [ft²/m²] [oz/kg] [ft²/m²] [oz/kg] [ft²/m²] 134/3.8 126/11.67 211.6/6.0 198/18.43...
- Page 13 1. Installation(where refrigerant pipes are allowed) - Any person who is involved with working on or breaking into a refrigerant circuit should hold a current valid certificate from an industry-accredited assessment authority, which authorizes their competence to handle refrigerants safely in accordance with an industry recognized assessment specification. - Maintenance and repair requiring the assistance of other skilled personnel shall be carried out under the supervision of the person competent in the use of flammable refrigerants.
- Page 14 a. The minimum test pressure for the low side of the system shall be the low side design pressure and the minimum test pressure for the high side of the system shall be the high side design pressure, unless the high side of the system can not be isolated from the low side of the system in which case the entire system shall be pressure tested to the low side design pressure.
- Page 15 9. No ignition sources No person carrying out work in relation to a REFRIGERATING SYSTEM which involves exposing any pipe work shall use any sources of ignition in such a manner that it may lead to the risk of fire or explosion. All possible ignition sources, including cigarette smoking, should be kept su ciently far away from the site of installation, repairing, removing and disposal, during which refrigerant can possibly be released to the surrounding space.
- Page 16 14. Detection of flammable refrigerants Under no circumstances shall potential sources of ignition be used in the searching for or detection of refrigerant leaks. A halide torch(or any other detector using a naked flame) shall not be used. The following leak detection methods are deemed acceptable for refrigerant systems.
- Page 17 17. Charging procedures In addition to conventional charging procedures, the following requirements shall be followed: Works shall be undertaken with appropriate tools only (In case of uncertainty, please consult the manufacturer of the tools for use with flammable refrigerants) Ensure that contamination of di erent refrigerants does not occur when using charging equipment.
- Page 18 20. Recovery When removing refrigerant from a system, either for servicing or decommissioning, it is recommended good practice that all refrigerants are removed safely. When transferring refrigerant into cylinders, ensure that only appropriate refrigerant recovery cylinders are employed. Ensure that the correct number of cylinders for holding the total system charge is available.
- Page 19 22. Transportation, marking and storage for units that employ flammable refrigerants a. General The following information is provided for units that employ FLAMMABLE REFRIGERANTS. b. Transport of equipment containing flammable refrigerants Attention is drawn to the fact that additional transportation regulations may exist with respect to equipment containing flammable gas.
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Page 20: 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 fire, or equipment failure. Accessories (Packed with the indoor unit) Manual Cable ties (type A) -
Page 21: Pruduct Overview
PRODUCT OVERVIEW Up flow/Down flow Secondary drain Left flow/Right flow Secondary drain Knock out hole Display window Left flow/Right flow Primary drain Upper front panel Up flow/Down flow Primary drain Chassis component lower front panel Gas refrigerant connection Liquid refrigerant connection Main PCB Display PCB Blower assembly... -
Page 22: Indoor Unit Installation
INDOOR UNIT INSTALLATION CAUTION Install the indoor and outdoor units, cables and wires at least 3-1/5ft (1m) from televisions or radios to prevent static or image distortion. Depending on the appliances, a 3-1/5ft (1m) distance may not be su cient. The Indoor unit must be electrically grounded per national and local electrical code. - Page 23 WARNING There must be an airtight seal between the bottom of the air handler and the return air plenum. Use fiberglass sealing strips, foil duct tape, caulking, or equivalent sealing method between the plenum and the air handler cabinet to ensure a tight seal. Return air must not be drawn from a room where this air handler or any gas-fueled appliance (i.e., water heater), or carbon monoxide-producing device (i.e., wood fireplace) is installed.
- Page 24 Vertical installations Fixing instructions: When installed vertically (upward or downward), the lower end of the air outlet needs to be connected to the L-shaped metal air duct and fastened by screws If return air is to be ducted,install duct flush with floor. Set unit on floor over opening.
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Page 25: Installation Position Requirements
Installation Position Requirements Vertical installations Horizontal installations NOTICE FOR DUCT CONNECTIONS： It should be assembled It should be insulated It should be Flexible, It should be fabricated in accordance to the and use a Vapor Barrier. suspension mounted and installed in instructions. - Page 26 Selection of installation direction Di erent installation directions The units can be installed in a vertical (down and up)and Horizontal(right and left) configuration. NOTICE • For horizontal installation， a secondary drain pan（not supplied）must be installed. • For horizontal installation， ODU installation requires 5° tilt (drain pipe side in low position).
- Page 27 Connecting the wire and pipes(pipes and drainage pipes) Vertical down Horizontal right Please follow these steps to perform installation and installation: Step 1 Remove screws Remove the four screws and open the upper front panel. Step 2 Connect the wires according to the wiring diagram. Step 3 Connect the pipes and install the drainage pipes.
- Page 28 Step 4 Step 5 Indication of the position of each Remove the four screws and open the lower temperature sensor of the evaporator: front panel. 18-24K model Refrigerant detector Remove screws 36K model Remove screws Refrigerant Step 6 detector Take out the evaporator, drain pan and rotate 180°...
- Page 29 Step 7 Turn the fan module 180 degree and put it under the coil module. Re-lock the 4 latches. Cut the foam Remove knockouts as shown in the figure. Fix the wires with two hooks. Step 8 Relocate the wires in the coil module. Tie the wires with T1 new location a zip tie(Type A)
- Page 30 Step 9 Step 10 Relocate the wires in the fan module. Connect the wires according to the wiring diagram. Fix the wires with the zip ties of fan housing. Step 11 Reassemble the upper and lower front panel. Reconnect the connectors CAUTION FOR ALL PIPES INSTALLATION •...
- Page 31 NOTICE ON PURCHASING PIPES Installation requires pvc pipe or other suitable material per local and national codes, which can be obtained at your local hardware store or dealer. WARNING • After removal of drain pan plug(s), check drain hole(s) to verify that drain opening is fully open and free of any debris.
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Page 32: Refrigerant Piping Connection
REFRIGERANT PIPING CONNECTION WARNING All field piping must be completed by a licensed technician and must comply with the local and national regulations. • When the air conditioner is installed in a small room, measures must be taken to prevent the refrigerant concentration in the room from exceeding the safety limit in the event of refrigerant leakage. -
Page 33: Connection Instructions-Refrigerant Piping
Connection Instructions—Refrigerant Piping CAUTION • Insulate both the gas and liquid piping to prevent condensation. Air Handler Air Handler Unit Adapter Required at Air Unit Model Connection(in.flare) Handler Unit(in.flare to braze) Liquid 3/8 are→3/8braze 18K-55K 3/4 are→3/4braze Step 1: Cut pipes Step 2: Remove burrs When preparing refrigerant pipes, take Burrs can a ect the air-tight seal of refrigerant piping... - Page 34 • Clamp flare from on the end of the pipe. The end of the pipe must extend beyond the flare form. Flare form Pipe • Place flaring tool onto the form. • Turn the handle of the flaring tool clockwise Torque wrench until the pipe is fully flared.
- Page 35 CAUTION • Thread this pipeline through the wall and connect it to the outdoor unit. Check to make sure there is no refrigerant • Insulate all the piping, including the valves of leak after completing the installation work. the outdoor unit. If there is a refrigerant leak, ventilate the area immediately and evacuate the system (refer to the Air Evacuation section of this manual).
- Page 36 CONFIRMATION OF INDOOR UNIT Units without electrical heat BRANCH CIRCUIT Rated UNIT (Minimum Circuit VOLTS-PHASE current SIZE MIN WIRE SIZE FUSE/CKT Ampacity) AWG* BKR AMPS 115V: 4.4A 115V: 5.5A 115/208/230V-1 208/230V: 2.5A 208/230V: 3.5A 115V: 4.4A 115V: 5.5A 115/208/230V-1 208/230V: 2.5A 208/230V: 3.5A 115V: 6.4A 115V: 8.0A...
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Page 37: Wiring Precautions
WIRING PRECAUTIONS WARNING BEFORE PERFORMING ANY ELECTRICAL WORK, READ THESE WARNINGS. All wiring must comply with local and national Do not let wires touch or rest against ● ● electrical codes, regulations and must be installed refrigerant tubing, the compressor, or any by a licensed electrician. -
Page 38: Outdoor Unit Wiring
OUTDOOR UNIT WIRING WARNING Before performing any electrical or wiring work, turn o the main power to the system. Step 1: Prepare the cable for connection. 1. You must first choose the right cable size. 2. Using wire strippers, strip the rubber B W D jacketfrom both ends of the signal cable to R C Y1 Y2 L... -
Page 39: Indoor Unit Wiring
INDOOR UNIT WIRING CAUTION • While connecting the wires, please strictly follow the wiring diagram. • The refrigerant circuit can become very hot. Keep the interconnection cable away from the copper tube. Step 1: Prepare the cable for connection. WARNING Using wire strippers, strip the insulating jacket from both ends of the signal cable to reveal ISOLATE THE POWER SUPPLY LEADS... - Page 40 SPECIFIC WIRING METHODS WARNING Please refer to the wiring nameplate for the wiring method. Do not connect the power cord to the communication line, as this may damage the system. Connection method A: Connection method B: Refer to the wiring method of internal and To use a 24V thermostat, you need to refer to the external machine communication and wired following wiring:...
- Page 41 Y/Y2 COM OY2 OY1 OB/O S4-2 Default on, DH function o . S4-4 Default on, W1 and W2 Turn switch o to activate DH shorted for single stage Aux heat function. operation. Turn o to separate stages. COM OY2 OY1 OB/O Y/Y2 S4-2 Default on, DH function o .
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Page 42: Condensate Overflow Switch
Condensate overflow switch: The unit will accommodate a remote condensate overflow switch. To enable, remove jumper J7, and connect the installer provided condensate overflow device to CN23 per below. When an overflow condition is present, the device should open connection signaling the unit to turn o the system. -
Page 43: Led Display
UV,fresh air or ion generator wiring LED display The control displays unit status as well as any active fault codes on the LED display. If the unit is functioning normally, the LED will display current temperature setpoint. When a fault code is active, the display will flash quickly the active fault code. - Page 44 DIP switch definitions Function Rotary switch Function DIP swich Static pressure DIP swich KEY1 Function DIP swich display To CCM COMMUNICATION COMM. Bus TO OUTDOOR UNIT...
- Page 45 Function DIP switch settings: Function combination table of SW1-1 and SW1-4: The 24V thermostat mode needs to refer Control type IDU and ODU Connection Note to the following settings: Wired controller / (S1+S2) / 24V Auto connection Discovery thermostat Wired S1+S2 Scenario 2 controller...
- Page 46 [Default] Dehumidification Dehumidification feature is enabled S4-2 DH function selection control not available through thermostat L output 24V or alarm relay close only SW5-3 1,2,3 L or Alarm relay selection [default] L output 24V or alarm relay when refrigerant sensor fault or R454B close when any fault be detected refrigerant leakage be detected R stop ouput 24V when refrigerant...
- Page 47 Air volume table 24V thermostat Wired controller Air flow External Static Electric auxiliary volume Capacity Fan speed Pressure Range heat module DIP Switch 24V terminal engaged DIP Switch Mode (CFM) Cooling Turbo — SW3-4=ON Y2/Y — Cool Cooling High — SW3-4=OFF Y2/Y —...
- Page 48 Air volume table 24V thermostat Wired controller Airflow External Static Electric auxiliary volume Capacity Fan Speed Pressure Range heat module DIP Switch 24V terminal engaged DIP Switch Mode (CFM) SW3-4=ON Y2/Y Cool — — 1235 Cooling Turbo — SW3-4=OFF Y2/Y —...
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Page 49: Specification
SPECIFICATIONS Cooling and Heating power specifications(Hyper Heat Series) PHASE POWER (outdoor) FREQUENCY AND VOLT 29.5A OUTDOOR UNIT 2+Ground LINE QUANTITY OUTDOOR UNIT POWER LINE LINE DIAMETER(AWG) LINE QUANTITY OUTDOOR-INDOOR SIGNAL LINE LINE DIAMETER(AWG) LINE QUANTITY THERMOSTAT SIGNAL LINE LINE DIAMETER(AWG) PHASE POWER (outdoor) -
Page 50: Air Evacuation
AIR EVACUATION NOTICE When opening valve stems, turn the hexagonal wrench until it hits against the stopper. Do not try to force the valve to open further. Close the Low Pressure side of the manifold Preparations and precautions gauge, and turn o the vacuum pump. Wait for 5 minutes, then check that there Air and foreign matter in the refrigerant circuit has been no change in system pressure. -
Page 51: Note On Adding Refrigerant
NOTE ON ADDING REFRIGERANT CAUTION DO NOT mix refrigerant types. Some systems require additional charging depending on pipe lengths. In North America, the standard pipe length is 25ft . The refrigerant should be charged from the service port on the outdoor unit’s low pressure valve. -
Page 52: Test Run
TEST RUN CAUTION Failure to perform the test run may result in unit damage, property damage, or personal injury. 5. For the Outdoor Unit Before test run a. Check to see if the refrigeration system is leaking. A test run must be performed after the entire b. - Page 53 24V SIGNAL CHART 24V input terminal Mode Priority Y/Y2 E/AUX Fan speed Display Cooling stage 1 Cooling stage 2 High Dehumidification 1 Dehumidification 2 Heat pump stage 1 Heat pump stage 2 High Heat pump stage 2 High Electric heater kit 1 Turbo Electric heater kit 2 Turbo...
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Page 54: Technical Support
Technical Support Single & Multi-Zone Mini Splits • PTACs • Portables • TTWs • Light Commercial A/C Systems Limited Warranty provided by Cooper&Hunter (hereby referred to as C&H) covers specified products and parts, subject to the following details: Our warranty: C&H Limited Warranty applies only to products installed by a licensed HVAC technician. - Page 55 10. For resetting of power or the circuit breakers and replacement of other types of fuses, both internal and external. 11. For any damage caused by the use of dirty, recycled, or wrong type of refrigerants and lubricants. 12. For damage due to moisture, air, dust, sand, dirt, etc., that have been allowed into the system. 13.
- Page 56 negotiations, representations, or promises, whether oral or written, of either party shall be deemed to have been merged herein. If any part of this warranty agreement shall be invalidated for any reason, such part shall be deleted, and the remainder shall be una ected and shall continue in full force and e ect. This Warranty provides you certain legal rights and you may also have other rights, which vary from State to State.
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