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ACIQ -18W-WM Installation Manual

Air-handler wall-mounted ahu
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AIR-HANDLER
Installation Manual
Safety precautions & Installation
ACiQ-18W-WM
ACiQ-24W-WM
ACiQ-30W-WM
ACiQ-36W-WM
IMPORTANT NOTE:
Read this manual and SAFETY MANUAL(if any)
carefully before installing or operating your
appliance. Make sure to save this manual for
future reference.
WALL-MOUNTED AHU
VERSION DATE: 05-14-24

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Summary of Contents for ACIQ ACiQ-18W-WM

  • Page 1 AIR-HANDLER WALL-MOUNTED AHU Installation Manual Safety precautions & Installation ACiQ-18W-WM ACiQ-24W-WM ACiQ-30W-WM ACiQ-36W-WM IMPORTANT NOTE: Read this manual and SAFETY MANUAL(if any) carefully before installing or operating your appliance. Make sure to save this manual for VERSION DATE: 05-14-24 future reference.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS SAFETY PRECAUTIONS 1 ACCESSORIES 2 INDOOR UNIT INSTALLATION 2.1 Select the installation location of indoor units 2.2 Unit dimensions 2.3 Air filter（not factory-installed）dimensions 2.4 Air handler mounting option 2.5 Ductwork 2.6 Connecting the wire and pipes （pipes and drainage pipes） 2.7 Refrigerant piping connection 2.8 Installation of electric auxiliary heat module 3 WIRING PRECAUTIONS...

  • Page 4: Safety Precautions

    SAFETY PRECAUTIONS Intended Use The following safety guidelines are intended to prevent unforeseen risks or damage from unsafe or incorrect operation of the appliance. Please check the packaging and appliance on arrival to make sure everything is intact to ensure safe operation. If you find any damage, please contact the retailer or dealer.
  • Page 5 ELECTRICAL WARNINGS The product must be properly grounded at the time of installation, or electrical • shock may occur. Installation Manual. Connect cables tightly, and clamp them securely to • prevent external forces from damaging the terminal. Improper electrical connections can overheat and cause fire, and may also cause shock. All electrical connections must be made according to the Electrical Connection Diagram located on the panels of the indoor and outdoor units.
  • Page 6 Only use the included accessories, parts, and specified parts for • installation. Using non-standard parts can cause water leakage, electrical shock, fire, and can cause the unit to fail. Install the unit in a firm location that can support the unit’s weight. If the •...
  • Page 7 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, •...

  • Page 8: Accessories

    1. 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 Remote controller Battery...

  • Page 9: Indoor Unit Installation

    2. INDOOR UNIT INSTALLATION CAUTION Install the indoor and outdoor units, cables and wires at least 1m (3-1/5′) from televisions or radios to prevent static or image distortion. Depending on the appliances, a 1m (3-1/5′) distance may not be su cient. The Indoor unit must be electrically grounded per national and local electrical code.

  • Page 10: Unit Dimensions

    2.2 Unit dimensions High voltage connection 1-23/64” (34.5 mm) dia knock outs (both sides of unit) Some heater sizes may require a conduit larger than the 1-23/64” (34.5 mm) opening; in this situation the high-voltage Low voltage connection opening should be connection enlarged to fit conduit.

  • Page 11: Air Filter（Not Factory-Installed）Dimensions

    2.3 Air filter（not factory-installed）dimensions External filter or other means of filtration is required. Units should be sized for a maximum of 300 feet/min. air velocity or what is recommended for the type filter installed. Filter application and placement are critical to airflow, which may a ect the heating and cooling system performance.

  • Page 12: Air Handler Mounting Option

    2.4 Air handler mounting option The air handler comes standard with two di erent options for mounting, wall mount or frame mount. Both mounting options require the unit to be level from side to side and from front to back in order to allow condensate to properly drain from the unit.
  • Page 13 Installation completed diagram: Front return air Bottom return air 2.4.3 Location The small air handler should be centrally located and may be installed in a closet, alcove, utility room,basement. Minimum clearances must be met.The air handler comes standard with two di erent options for mounting, wall mount or frame mount.
  • Page 14 2.4.4 Mounting (1)Wall mount WALL STRUCTURE SUPPORTING 2"X4" STRUCTURE PROVIDED AIR HANDLER MOUNTING BRACKET PROVIDED WALL MOUNT BRACKET WOOD SCREWS WOOD SCREWS PROVIDED WALL MOUNT BRACKET SUPPORTING 2"X4" STRUCTURE WOOD SCREWS NOTE: MOUNTING WALL AND SUPPORTING WALLMOUNT BRACKET STRUCTURE MUST BE ABLE TO SUPPORT A MINIMUM OF 165 LBS.
  • Page 15 2.4.5 Carton cutting and wall panel pre-positioning (1) Cut the cardboard box with the mounting tabs along the dotted lines. (2) The part you need to punch the mounting holes has a total of 12 screws. (3) Attach the mounting template sheet horizontally to the mounting plate and drill holes in a solid black circl using a drill.
  • Page 16 (4) Remove the wall panels from the product. (5) Remove the mounting template sheet, put the mounting bracket on the mounting hole, and fix the upper and lower brackets with 6 screws respectively. 2.4.6 Product hanging on the support frame, auxiliary installation hole instructions for use Hang the prototype on the Cut both sides of the product's The adapter tube of the...
  • Page 17 2.4.7 Connection of drainage pipe ALTERNATE DRAIN EXITS ON EITHER SECONDARY SIDE OF UNIT DRAIN 2" / 51mm (TRAP EXTERNAL PRIMARY TO UNIT) DRAIN 2" / 51mm MIN DRAIN NOTE Use metal drains in the area above the cover. 2.4.8 Connection of duct Please connect the duct as shown in the diagram.

  • Page 18: Ductwork

    2.5 Ductwork NOTICE FOR DUCT CONNECTIONS： It should be insulated and use a It should be assembled Vapor Barrier. accordance to the instructions. It should be Flexible suspension It should be fabricated and mounted and not fastened installed in accordance with local and/or national codes.
  • Page 19 WARNING Do not under any circumstances, connect return ductwork to any other • heat producing device such as fireplace insert, stove, etc. Unauthorized use of such devices may result in fire, carbon monoxide poisoning, explosion, personal injury or property damage. Sheet metal ductwork run in unconditioned spaces must be insulated and covered with a vapor barrier.
  • Page 20 Airflow performance Airflow performance data is based on cooling performance with a coil and no filter in place. Select performance table for appropriate unit size external static applied to unit allows operation within the minimum and maximum limits shown in table below for both cooling and electric heat operation. External Static Pressure(in.w.c.) Model Turbo...

  • Page 21: Connecting The Wire And Pipes（Pipes And Drainage Pipes

    2.6 connecting the wire and pipes（pipes and drainage pipes） Step 1 Open the upper cover. Step 2 Open the cover of the electronic control box. Step 3 Connect the wire according to the wiring diagram. Step 4 Connect the pipes and install the drainage pipes. NOTICE •...
  • Page 22 Connection Instructions—Refrigerant Piping 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/24K 3/4 are→3/4braze 3/8 are→3/8braze Liquid 30K/36K 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 extra care to cut and flare them properly.
  • Page 23 • 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 until the pipe is fully flared.
  • Page 24 CAUTION • Thread this pipeline through the wall and connect it to the outdoor unit. Check to make sure there is no • Insulate all the piping, including the valves of refrigerant leak after completing the outdoor unit. Open the stop valves of the outdoor unit to •...

  • Page 25: Installation Of Electric Auxiliary Heat Module

    2.8 Installation of electric auxiliary heat module (OPTIONAL) (Only for HEAT function models) NOTICE Installation must be performed by an licensed contractor. Please make necessary precaution when performing the installation operation. Accessories Preparations for Installation Before installation, please confirm the electric Name Quantity Name...
  • Page 26 Step 3 Step 5 Dismantle the terminal block and power wires, Tighten the mounting screws. loosen the screws, and remove the electric auxiliary heating cover. screws. screws. Step 6 Tighten the mounting screws. Step 4 Install the electric auxiliary heating assembly the front, and note that the support assembly must lock into the support holes in the back of the cabint.
  • Page 27 confirmation of indoor unit NOTICE Electric auxiliary heating wiring diagram packed with the accessories. If branch circuit wire lenght exceeds 100 ft, consult the Local electric code to determine maximum wire length. Use 2% voltage drop. After the electric heating wiring is connected, please confirm before power on: •...
  • Page 28 Auxilliary Heater Electrical Date（Optional） EAH-03-WM EAH-05-WM EAH-08-WM EAH-10-WM Electric auxiliary heating wiring diagram : THERMAL CUT-OUT(Cut-o temperature 98 , holding temperature 83 , limiting temperature 410 .) : THERMAL CUT-OUT(Cut-o temperature 98 , holding temperature 83 , limiting temperature 410 .) : THERMAL LINK, SELF-RESETTING(Break-o temperature 60 ±...

  • Page 29: Wiring Precautions

    3. 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 30 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 ISOLATE THE POWER SUPPLY LEADS from both ends of the signal cable to reveal...
  • Page 31 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 32 S4-2 Default on， DH function off. S4-1 Default on, W1 and W2 Turn switch off to activate DH shorted for single stage Aux heat function. operation. Turn off to separate stages. S4-2 Default on， DH function off. S4-1 Default on, W1 and W2 Turn switch off to activate DH shorted for single stage Aux heat function.
  • Page 33 The fault warning: Optional function wiring: Alarm output: An alarm output (CN33) can be utilized if actions are required when a fault is present. This is a passive outlet port, so you will need to input a voltage signal. The relay is normally-open for normal operation, and closed when a fault condition is active.
  • Page 34 Dehumidification control wiring Outdoor unit connector Connector Purpose Dehumidification control requires external Defrost control Humidistat at DH and R. Set S4-2 as OFF. When the humidity rises and exceeds the set value of the Humidistat, the 24V signal of DH changes LED display to 0V, the cooling system starts the dehumidification operation, and the air volume...
  • Page 35 DIP switch definitions Function Rotary switch KEY1 Led display...
  • Page 36 Function DIP switch settings: Function combination table of SW1-1 and SW1-4: The 24V thermostat mode needs to refer Control type Stand alone or full system to the following settings: Free match Free match Wired Full system controller Full system Thermostat 000 is the default 000/001/010/ 011/100/101/110/111,internal machines with di erent abilities,...
  • Page 37 Available settings are 000/001/010/011. Each digit corresponds an indiviual swith position. 1,2,3 Electric heat nominal CFM adjustment For example [SW4-1 OFF, SW4-2 ON, SW4 -3 OFF] = 010 See table 11 for the corresponding CFM adjustment For dual stage supplemental heat, [Default] For single stage supplemental S4-1 Default ON...
  • Page 38 Air volume table 24V thermostat Wired controller Air flow External Static volume Capacity Fan speed Electric heater kit Pressure Range 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 39 Air volume table 24V thermostat Wired controller Airflow External Static volume Capacity Fan Speed Electric heater kit Pressure Range DIP Switch 24V terminal engaged DIP Switch Mode (CFM) — SW3-4=ON Y2/Y — Cool Cooling Turbo 1188 — SW3-4=OFF Y2/Y — Cool 1082 Cooling High...

  • Page 40: Air Evacuation

    4. 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 41: Test Run

    5. 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 42 24V SIGNAL CHART 24V input terminal Mode Priority Y/Y2 E/AUX DH/DS/BK Fan speed Display Cooling stage 1 Cooling stage 2 High Dehumidification Dehumidification Heat pump stage 1 Heat pump stage 2 High Heat pump stage 2 High Electric heater kit 1 Turbo Electric heater kit 2 Turbo...

This manual is also suitable for:

Aciq-24w-wmAciq-30w-wmAciq-36w-wm

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