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ACIQ -24-AH32 Installation & Owner's Manual

R32 unitary central ducted air handler
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R32 UNITARY CENTRAL DUCTED AIR HANDLER
INSTALLATION & OWNER'S
MANUAL
Models Covered:
ACiQ-24-AH32
ACiQ-36-AH32
ACiQ-48-AH32
ACiQ-60-AH32
WARNING: DO NOT destroy or lose this manual. Please read the manual thoroughly. Also,
store the manual in a place that allows for easy retrieval and future reference. As a result of
continuous product improvement, the specification and design of this unit are subject to
change without advanced notice. Consult your manufacturer or your dealer for further details
regarding this product. The images and illustrations within this this manual are for reference
only. The actual shape and size of your product may vary.
VERSION DATE: 12-16-24

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Summary of Contents for ACIQ ACiQ-24-AH32

  • Page 1 R32 UNITARY CENTRAL DUCTED AIR HANDLER INSTALLATION & OWNER'S MANUAL Models Covered: ACiQ-24-AH32 ACiQ-36-AH32 ACiQ-48-AH32 ACiQ-60-AH32 WARNING: DO NOT destroy or lose this manual. Please read the manual thoroughly. Also, store the manual in a place that allows for easy retrieval and future reference. As a result of continuous product improvement, the specification and design of this unit are subject to change without advanced notice.
  • Page 3 To Users Thank you for selecting product. Please read this instruction manual carefully before installing and using the product, so as to master and correctly use the product. In order to guide you to correctly install and use our product and achieve expected operating effect, we hereby instruct as below: (1) This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience and...
  • Page 4 Exception Clauses Manufacturer will bear no responsibilities when personal injury or property loss is caused by the following reasons: Damage the product due to improper use or misuse of the product. Alter, change, maintain or use the product with other equipment without abiding by the instruction manual of manufacturer.

  • Page 5: Table Of Contents

    Contents 1 Safety Precautions ............1 2 Product Introduction ............3 2.1 Product Description ..............3 2.2 Operating Range ..............4 2.3 Optional Accessories..............4 2.4 Physical Dimension ..............4 2.5 Names of Main Parts ..............5 2.6 General Information ...............6 2.7 Refrigerant charge ..............6 2.8 Dip Switch Configuration ............7 2.9 Fan Performance Data ............8 3 Preparative for Installation ..........
  • Page 6 7 Maintenance and Care ............. 32 7.1 Drain Pipe ................32 7.2 Notice before Seasonal Use..........32 7.3 Maintenance after Seasonal Use ......... 32 7.4 Parts Replacement............... 32 7.5 Unventilated Areas ............... 32 8 After-Sales Service ............33 9 Qualification of Worker ........... 34 10 Transportation, Marking and Storage for Units that Employ Flammable Refrigerants ........
  • Page 7 11.11 Pipe Installation ..............38 12 Sealed Electrical Components shall be Replaced ..38 13 Intrinsically Safe Components must be Replaced ..38 14 Cabling ................38 15 Detection of Flammable Refrigerants ......38 16 Removal and Evacuation ..........39 17 Charging Procedures ............

  • Page 8: Safety Precautions

    Air Handlers 1 Safety Precautions This product can’t be installed at corrosive, inflammable or explosive environment or the place with special requirements, such as kitchen. Otherwise, it will affect the normal operation or shorten the service life of the unit, or even cause fire hazard or serious injury.
  • Page 9 Air Handlers Appliance filled with flammable magas R32. Before install the appliance, read the installation manual first. Before use the appliance, read the owner’s manual first. Before repair the appliance, read the service manual first. Do not use means to accelerate the defrosting process or to clean，other than those recommended by the manufacturer.

  • Page 10: Product Introduction

    Air Handlers OSHA Guidelines for safety. Products that contain or produce any of the more than 600 listed chemicals known in California can cause cancer or birth defects, such as fiberglass insulation, lead in brass and natural gas combustion products. Warnings are issued for such products sold in California as required by California Proposition 65.

  • Page 11: Operating Range

    Q'ty Usage Connect the Throw-over unit with the pipe liquid pipe 2.4 Physical Dimension Unit: inch(mm) Dimension Model 18-1/8 21-1/4 43-1/2 11-5/8 16-3/4 ACIQ-24-AH32 (460) (540) (1105) (295) (426) 21-1/4 21-1/4 48-3/16 11-5/8 ACIQ-36-AH32 (540) (540) (1224) (295) (508) ACIQ-48-AH32...

  • Page 12: Names Of Main Parts

    Air Handlers NOTE: The outdoor unit models that can be matched with the indoor unit can be found on the AHRI website. 2.5 Names of Main Parts 2.5.1Vertical installation 2.5.2Lying installation NOTES: When installing as shown in the figure, the refrigerant sensor needs to be installed in the position shown in the figure.

  • Page 13: General Information

    Where a single REMOTE REFRIGERANT DETECTION system sensor is used in a room with multiple units, this requirement shall apply to all units in the room which do not have a dedicated REFRIGERANT DETECTIONSYSTEM. 2.6 General Information Unit: mm Model Filter size ACIQ-24-AH32 420×516×15 ACIQ-36-AH32 490×516×15 ACIQ-48-AH32 525×516×15 ACIQ-60-AH32 525×516×15...

  • Page 14: Dip Switch Configuration

    ⑥. The minimum airflow corresponding to different products is as follows: ACIQ-24-AH32：250m³/h ACIQ-36-AH32：285m³/h ACIQ-48-AH32, ACIQ-60-AH32: 455m³/h "LEAK DETECTION SYSTEM installed. Unit must be powered except for service." If any remote located REFRIGERANT SENSOR is employed to detect leaked refrigerant, such a remote located REFRIGERANT SENSOR shall also apply to this marking or be accompanied by such instructions.

  • Page 15: Fan Performance Data

    Air Handlers plus the fan delay time of the indoor unit. Model Level Heat (SA2) Cool (SA1) Level 1 Level 2 Level ACIQ-24-AH32 3-Default Level 4 Level 5 Level 1 Level 2 Level ACIQ-36-AH32 3-Default Level 4 Level 5 Level 1...
  • Page 16 Air Handlers ACIQ-24-AH32 Model Static pressure: Inches W.C.(Pa) Level 0.15 (25) (37) (50) (75) (100) (125) (150) (175) (200) (225) (250) Speed 1700 1630 1580 1530 1450 1400 1370 1270 1150 970 4(CFM) Speed 1750 1700 1650 1600 1590 1500 1420 1330 1200 1050 950...

  • Page 17: Preparative For Installation

    Air Handlers ACIQ-60-AH32 Model Static pressure:Inches W.C.(Pa) Level 0.15 (25) (37) (50) (75) (100) (125) (150) (175) (200) (225) (250) Speed 1920 1800 1730 1650 1480 2(CFM) Speed 2110 2000 1950 1860 1760 1640 1500 3(CFM) Speed 2300 2260 2230 2200 2150 2115 2050 1990 1920 1790 1650 1470...

  • Page 18: Important Safety Instructions

    Air Handlers 3.1.4 Replacement Parts When reporting shortages or damages, or ordering repair parts, give the complete product model and serial numbers as stamped on the product. Replacement parts for this product are available through your contractor or local distributor. 3.2 Important Safety Instructions Recognize safety symbols, words, and labels The following symbols and labels are used throughout this manual to indicate...
  • Page 19 Air Handlers persons are permitted to install or service this equipment. Observe all warnings contained in this manual and labels/tags attached to the equipment. This product factory shipped with 208/230V-1Ph-60Hz electrical power supply. This air handler must not be reconfigured to operate with any other power supply. The unit must have an uninterrupted, unbroken electric grounding to minimize the possibility of personal injury if an electric fault occurs.

  • Page 20: Installation

    Air Handlers This ventilation is necessary to avoid the danger of CO poisoning which can occur if a carbon monoxide producing device continues to operate in the enclosed area. Carbon monoxide emission can be (re)circulated throughout the building if the furnace or air handler is operating in any mode.
  • Page 21 Air Handlers of the unit for service clearance. When installing in an area directly over a finished ceiling (such as an attic), an emergency drain pan is required directly under the unit. See local and state codes for requirements. When installing this unit in an area that may become wet, elevate the unit with a sturdy, non-porous material.

  • Page 22: Piping Work

    Air Handlers 4.3 Piping Work 4.3.1 Specification of Connection Pipe External diameter (inch) Model Gas pipe Liquid pipe ACIQ-24-AH32 ACIQ-36-AH32 Φ3/4 Φ3/8 ACIQ-48-AH32 ACIQ-60-AH32 4.3.2 Piping Preparation The gas pipe connection method adopts solder connection, the liquid pipe connection method is screw connection.
  • Page 23 Air Handlers pipes. Warning: When welding the connecting pipe of the internal and external machine, it is necessary to shield the water receiving tray to avoid burning the water receiving tray! Please pay attention to the position of the connecting pipe of internal and external machine, otherwise it may cause the mechanical injury.

  • Page 24: Condensate Removal

    Air Handlers 4.3.2.2 Screw Connection Pipe diameter (inch) Tightening torque (N·m) Φ1/4 15-30 Φ3/8 35-40 Φ1/2 45-50 Φ5/8 60-65 Φ3/4 70-75 Φ7/8 80-85 4.4 Condensate Removal It is not allowed to connect the condensate drain pipe into waste pipe or other pipelines which are likely to produce corrosive or peculiar smell to prevent the smell from entering indoors or corrupt the unit.

  • Page 25: Ductwork

    Air Handlers 4.5 Ductwork This air handler is designed for a complete supply and return ductwork system. Field ductwork must meet the National Fire Protection Association NFPA 90A, NFPA 90B and any applicable local ordinance. Sheet metal ductwork run in unconditioned spaces must be insulated and covered with a vapor barrier.

  • Page 26: Electric Heater

    Air Handlers 4.6 Electric Heater The air handlers listed in this manual do not have factory installed electric heat. Electric heat is available as an accessory. Please refer to installation instructions provided with heater kit for the correct installation procedure. Refer to the “Electric heater kits installation”...
  • Page 27 Air Handlers 4.6.2 Electric Heater Kits Installation Ensure that all power supply is disconnected prior to installing the heater kit. A means of strain relief and conductor protection must be provided at the supply wire entrance into cabinet. Use copper conductors only. Installation must follow national electric code and other applicable codes.

  • Page 28: Electrical Installation

    Air Handlers 11) Connection of power cords and thermostat wires. 4.7 Electrical Installation 4.7.1 Requirement and Notice on Electrical Installation The electrical installation for the air conditioner should observe the following requirements: ①. The electrical installation must be conducted by professionals in compliance with local laws and regulations and the instructions in this manual.
  • Page 29 Wiring work must be done according to national wiring rules and regulations. 4.7.2 Electrical Parameters Maximum Minimum Fuse overcurrent Model Power supply circuit Capacity protection ampacity (A) ACIQ-24-AH32 ACIQ-36-AH32 208/230V-1Ph-60Hz 3.15 ACIQ-48-AH32 ACIQ-60-AH32 ①. Fuse is located on the main board.
  • Page 30 Air Handlers ②. Install a circuit breaker at every power terminal near the units (indoor unit and thermostat) with at least 3mm contact gap. The units must be able to be plugged or unplugged. ③. Circuit breaker and power cord specifications listed in the above table are determined based on the maximum power input of the units.
  • Page 31 Air Handlers Unit: mm(inch) (3) How to connect the thermostat wires and power cords. Lead the thermostat wires and power cords through the insulation tube. Then fix the wires with wire clamps (as shown in the following figure.) ①. Before working, please check whether the indoor unit and thermostat are powered on.
  • Page 32 Air Handlers ⑥. Ground wire should be connected. Electrical wiring of indoor units (Only for air handler without electric heater) ACIQ-24-AH32, ACIQ-36-AH32 ACIQ-48-AH32, ACIQ-60-AH32 Electrical wiring of indoor units...
  • Page 33 Air Handlers ACIQ-24-AH32, ACIQ-36-AH32, ACIQ-48-AH32, ACIQ-60-AH32 (only for air handler with BLR 6000W/240V BLR)
  • Page 34 Air Handlers ACIQ-36-AH32，ACIQ-48-AH32, ACIQ-60-AH32 (only for air handler with BLR 9000W/240V or 12000W/240V) NOTE: Y means Compressor control signal for the outdoor unit. B which is energized under the heating mode means 4-way valve control signal. D means defrosting signal.

  • Page 35: Installation Check And Trial Run

    Air Handlers DH means Initial signal. Y1 means thermostat and compressor output signals. NOTE: For cooling only unit, there is no need to connect the B and D terminals. NOTE: When outdoor defrosts, D of outdoor unit will send 24V signal to avoid cold winds.

  • Page 36: Trial Run

    Air Handlers Problems might happen due to Items to be checked Check improper installation Check if the unit has passed It may cause deficiency of cooling through leakage test. (heating) capacity. Check if the unit has been insulated It may cause condensation and properly.

  • Page 37: Common Malfunction And Elimination

    Air Handlers After compressor starting up, please immediately stop the unit when abnormal sound emits. Trial run under several modes and check if the unit operates normally. 6 Common Malfunction and Elimination If the unit doesn’t run normally, please check the following items before ask for service.
  • Page 38 Air Handlers “Malfunction” Reason Slight cracking sound It is noise when electronic is heard when just expansion valve initialization. turned on. There is consecutive That's sound for gas sound when cooling. refrigerant flowing in the unit. The unit emits noise. There is sound when That's sound for gas unit starts or stops.

  • Page 39: Maintenance And Care

    Air Handlers 7 Maintenance and Care Regular check, maintenance and care should be performed by professional personnel, which will prolong the unit life span. 7.1 Drain Pipe Regularly check if the drain pipe is clogged in order to drain condensate smoothly.

  • Page 40: After-Sales Service

    Air Handlers The non-FIXED APPLIANCE shall be stored in a room without continuously operating open flames (for example an operating gas appliance) or other POTENTIAL IGNITION SOURCES (for example an operating electric heater, hot surfaces); If appliances with A2L REFRIGERANTS connected via an air duct system to one or more rooms are installed in a room with an area less than Amin, that room shall be without continuously operating open flames (for example...

  • Page 41: Qualification Of Worker

    Air Handlers 9 Qualification of Worker The manual shall contain specific information about the required qualification of the working personnel for maintenance, service and repair operations. Every working procedure that affects safety means shall only be carried out by competent persons.

  • Page 42: Disposal Of Equipment Using Flammable Refrigerants

    Air Handlers placed together. Any pictograms used should be as simple as possible and contain only essential details. 10.4 Disposal of Equipment Using Flammable Refrigerants See national regulations. 10.5 Storage of Equipment/Appliances The storage of the appliance should be in accordance with the applicable regulations or instructions, whichever is more stringent.

  • Page 43: Checking For Presence Of Refrigerant

    Air Handlers the nature of work being carried out. Work in confined spaces shall be avoided. 11.5 Checking for Presence of Refrigerant The area shall be checked with an appropriate refrigerant detector prior to and during work, to ensure the technician is aware of potentially toxic or flammable atmospheres.

  • Page 44: Checks To Electrical Devices

    Air Handlers manufacturer’s technical department for assistance. The following checks shall be applied to installations using FLAMMABLE REFRIGERANTS: The actual REFRIGERANT CHARGE is in accordance with the room size within which the refrigerant containing parts are installed; The ventilation machinery and outlets are operating adequately and are not obstructed;...

  • Page 45: Pipe Installation

    Air Handlers plenum if a REFRIGERANT DETECTION SYSTEM is provided in the appliance and any external connections are also provided with a sensor immediately below the return air plenum duct joint. 11.11 Pipe Installation That pipe-work including piping material, pipe routing, and installation shall include protection from physical damage in operation and service, and be in compliance with national and local codes and standards, such as ASHRAE 15, ASHRAE 15.2, IAPMO Uniform Mechanical Code, ICC International Mechanical...

  • Page 46: Removal And Evacuation

    Air Handlers 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 all refrigerant systems. Electronic leak detectors may be used to detect refrigerant leaks but, in the case of FLAMMABLE REFRIGERANTS, the sensitivity may not be adequate, or may need re-calibration.

  • Page 47: Charging Procedures

    Air Handlers – evacuate; – purge the circuit with inert gas (optional for A2L); – evacuate (optional for A2L); – continuously flush or purge with inert gas when using flame to open circuit; – open the circuit. Compressed air or oxygen shall not be used for purging refrigerant systems. For appliances containing flammable refrigerants, refrigerants purging shall be achieved by breaking the vacuum in the system with oxygen-free nitrogen and continuing to fill until the working pressure is achieved, then venting to atmosphere,...

  • Page 48: Decommissioning

    Air Handlers 18 Decommissioning Before carrying out this procedure, it is essential that the technician is completely familiar with the equipment and all its detail. It is recommended good practice that all refrigerants are recovered safely. Prior to the task being carried out, an oil and refrigerant sample shall be taken in case analysis is required prior to re-use of recovered refrigerant.

  • Page 49: Recovery

    Air Handlers equipment stating the equipment contains FLAMMABLE REFRIGERANT. 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.
  • Page 50 The design and specifications are subject to change without prior notice for product improvement. Consult with the sales agency or manufacturer for details. Any updates to the manual will be uploaded to the service website, please check for the latest version. 66139909770...

This manual is also suitable for:

Aciq-36-ah32Aciq-48-ah32Aciq-60-ah32

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