United Appliances Air Handler Series Owner's Manual
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United Appliances Air Handler Series Owner's Manual

United Appliances Air Handler Series Owner's Manual

Dc inverter for r410a unitary
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Owner's Manual
Original Instructions
Air Conditioners | DC Inverter Air Handler Series
for R410A Unitary Split Air Conditioner
Thank you for choosing our product. Please read this Owner's Manual carefully before operation
and retain it for future reference. If you have lost the Owner's Manual, please contact the local
agent or visit www.unitedappliances.com for the electronic version.
NOTE：Actual product may be different from graphics, please refer to actual products.

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  • Page 1 Owner's Manual Original Instructions Air Conditioners | DC Inverter Air Handler Series for R410A Unitary Split Air Conditioner Thank you for choosing our product. Please read this Owner’s Manual carefully before operation and retain it for future reference. If you have lost the Owner's Manual, please contact the local agent or visit www.unitedappliances.com for the electronic version.
  • Page 2 Models: UADH24-DD3D1 UADH30-DD3D1 UADH36-DD3D1 UADH42-DD3D1 UADH48-DD3D1 UADH60-DD3D1...
  • Page 3 To Users Thank you for selecting Gree 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...
  • 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 ............4 2.1 Operating Range ..............4 2.2 Standard Accessories .............4 2.3 Optional Accessories..............5 3 Installation ................5 3.1 Installation Preparation ............5 3.2 Unit Installation ..............9 3.3 Electrical Installation ............16 3.4 Check after Installation ............21 3.5 Test Running ................

  • Page 6: Safety Precautions

    DC Inverter U-match Series for R410A Unitary Split Air Conditioner DC Inverter Air Handler | Split Air Conditioner 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 7 DC Inverter U-match Series for R410A Unitary Split Air Conditioner DC Inverter Air Handler | Split Air Conditioner Electrical shock hazard: Failure to follow this warning could result in personal injury or death. Before installing, modifying, or servicing system, main electrical disconnect switch must be in the OFF position.
  • Page 8 DC Inverter U-match Series for R410A Unitary Split Air Conditioner DC Inverter Air Handler | Split Air Conditioner (10) Be sure to adopt independent power circuit. If the power cord is damaged, it must be repaired by the manufacturer, service agent or other professional agents.

  • Page 9: Product Introduction

    DC Inverter U-match Series for R410A Unitary Split Air Conditioner DC Inverter Air Handler | Split Air Conditioner (1) If thermostat is to be used, it should be connected first before powering up the unit, otherwise the thermostat may not be able to use. (2) Only use soft dry cloth or slightly wet cloth with neutral detergent to clean the casing of the air conditioner.

  • Page 10: Optional Accessories

    DC Inverter U-match Series for R410A Unitary Split Air Conditioner DC Inverter Air Handler | Split Air Conditioner 2.3 Optional Accessories Outdoor unit accessories Name Appearance Q'ty Usage Connect the Throw-over unit with the pipe liquid pipe Connect the Throw-over unit with the pipe gas pipe...
  • Page 11 DC Inverter U-match Series for R410A Unitary Split Air Conditioner DC Inverter Air Handler | Split Air Conditioner performance. (7) Away from any object that may get the air conditioner generating noise. (8) Install the outdoor unit at a place where condensate can be easily drained. 3.1.2 Unit Dimension Unit: inch(mm) Dimensions...
  • Page 12 DC Inverter U-match Series for R410A Unitary Split Air Conditioner DC Inverter Air Handler | Split Air Conditioner 3.1.3 Diagram of Unit Installation Space and Location Diagram of installation space and location for outdoor unit (Notice: for best performance of the outdoor unit, make sure its installation space conforms to the following installation dimensions).
  • Page 13 DC Inverter U-match Series for R410A Unitary Split Air Conditioner DC Inverter Air Handler | Split Air Conditioner 2) When two or more outdoor units are to be installed side by side. Unit: mm (mm) A,B,C — 1000 A,B,C,E — 1000 1000 —...

  • Page 14: Unit Installation

    DC Inverter U-match Series for R410A Unitary Split Air Conditioner DC Inverter Air Handler | Split Air Conditioner 3) When outdoor units are installed in rows. Unit: mm (mm) 1/2H 1/2H H Prohibited 3.2 Unit Installation (1) The outdoor unit does not have a TXV (thermal expansion valve), please make sure there is a throttling valve (which throttles the unit when it operates in cooling mode and opens fully when it operates in heating mode) in the indoor unit (air handler or A coil).
  • Page 15 DC Inverter U-match Series for R410A Unitary Split Air Conditioner DC Inverter Air Handler | Split Air Conditioner 3.2.1 Outdoor Unit Installation If the outdoor unit is installed on a solid ground such as concrete, use M10 screw bolts and nuts to secure the unit and make sure the unit stands erect and level.
  • Page 16 DC Inverter U-match Series for R410A Unitary Split Air Conditioner DC Inverter Air Handler | Split Air Conditioner should be added with a layer of insulating cotton to protect it from mechanical damage during installation, maintenance and transportation. Maximum Biggest drop between Size of fitting pipe(inch) Item pipe...
  • Page 17 DC Inverter U-match Series for R410A Unitary Split Air Conditioner DC Inverter Air Handler | Split Air Conditioner 3.2.2.3 Pipe Bending The pipes are shaped by your hands. Be careful not to collapse them. Do not bend the pipes in an angle more than 90°. If the pipe is repeatedly bent or extended, it will become hard and difficult to be bent or extended.
  • Page 18 DC Inverter U-match Series for R410A Unitary Split Air Conditioner DC Inverter Air Handler | Split Air Conditioner 3.2.2.4.1 Screw Connection Pipe diameter (inch) Tightening torque (N·m) 15-30 35-40 45-50 60-65 70-75 80-85 3.2.3 Connection Pipe Vacuum Pumping and Leak Detection 3.2.3.1 Vacuum Pumping Make sure the outlet of vacuum pump is away from fire source and is well-ventilated.
  • Page 19 DC Inverter U-match Series for R410A Unitary Split Air Conditioner DC Inverter Air Handler | Split Air Conditioner Model Time(min) UADH24-DD3D1 UADH30-DD3D1 UADH36-DD3D1 UADH42-DD3D1 UADH48-DD3D1 UADH60-DD3D1 And verify if the pressure gauge at the low pressure side of the manifold valve assembly reads -0.1MPa, if not, it indicates there is leak somewhere.
  • Page 20 DC Inverter U-match Series for R410A Unitary Split Air Conditioner DC Inverter Air Handler | Split Air Conditioner 3.2.4 Refrigerant Adding See the following table for the amount of additional refrigerant. Unnecessary Item Standard pipe Additional refrigerant charge pipe Model length amount for extra pipe length...

  • Page 21: Electrical Installation

    DC Inverter U-match Series for R410A Unitary Split Air Conditioner DC Inverter Air Handler | Split Air Conditioner If the outdoor unit is above the indoor unit, arrange the pipeline according to the following diagram. 1) Wind the insulating tape from bottom to top. 2) The whole pipeline should be wound together to avoid water returning to the room.
  • Page 22 DC Inverter U-match Series for R410A Unitary Split Air Conditioner DC Inverter Air Handler | Split Air Conditioner ⑤. The external power cords, the thermostat wires and outdoor unit can’t directly contact any hot objects. For example: they must not contact chimney pipes, warm gas pipes or other hot objects.
  • Page 23 DC Inverter U-match Series for R410A Unitary Split Air Conditioner DC Inverter Air Handler | Split Air Conditioner 3.3.3 Connection of Power Cords and Thermostat Wires For solid wires (as shown below): 1) Use wire cutters to cut off the wire end and then peel away about 25mm of the insulation layer.
  • Page 24 DC Inverter U-match Series for R410A Unitary Split Air Conditioner DC Inverter Air Handler | Split Air Conditioner How to connect the thermostat wires and power cords. Lead the thermostat wires and power cords through the insulation tube (as shown in the following figure). ①.
  • Page 25 DC Inverter U-match Series for R410A Unitary Split Air Conditioner DC Inverter Air Handler | Split Air Conditioner NOTE: Y means Compressor control signal; B which is energized under the heating mode means 4-way valve control signal; D means defrosting signal; R means 24V AC power supply;...

  • Page 26: Check After Installation

    DC Inverter U-match Series for R410A Unitary Split Air Conditioner DC Inverter Air Handler | Split Air Conditioner 3.4 Check after Installation Check Items after Installation Possible events due to improper Check items installation The unit may fall down, vibrate or Is the main body installed securely? produce noise.
  • Page 27 DC Inverter U-match Series for R410A Unitary Split Air Conditioner DC Inverter Air Handler | Split Air Conditioner If the outside temperature is more than 30°C, heating mode can’t be enabled. Before test operation, make sure unit is power on and compressor has been preheated for more than 8 hours.

  • Page 28: Maintenance

    DC Inverter U-match Series for R410A Unitary Split Air Conditioner DC Inverter Air Handler | Split Air Conditioner 4 Maintenance 4.1 Failures Not Caused by Faults of the AC If your air conditioner fails to function normally, please first check the following items before maintenance: Problem Cause...
  • Page 29 DC Inverter U-match Series for R410A Unitary Split Air Conditioner DC Inverter Air Handler | Split Air Conditioner The following situations are not operation failures. Problem Time of occurrence Cause If the unit is running under Mist comes from high humidity, the wet air in the air During operation.

  • Page 30: Error Code

    DC Inverter U-match Series for R410A Unitary Split Air Conditioner DC Inverter Air Handler | Split Air Conditioner Check the above items and adopt the corresponding corrective measures. If the air conditioner continues to function poorly, please stop the air conditioner immediately and contact Gree’s authorized local service center.

  • Page 31: Unit Maintenance

    DC Inverter U-match Series for R410A Unitary Split Air Conditioner DC Inverter Air Handler | Split Air Conditioner Error code Error PFC overcurrent protection Compressor startup failure Compressor phase-sequence protection Driver reset protection Compressor phase over-current protection Power protection Driver current error Compressor out-of-step protection Compressor overspeed Master control and driver communication error...
  • Page 32 DC Inverter U-match Series for R410A Unitary Split Air Conditioner DC Inverter Air Handler | Split Air Conditioner Improper operation may get the unit broken, hit by electric shock or cause fire. Do not make the air conditioner wet or electric shock may be lead, ensure that the air conditioner will not be cleaned by water rinsing under any circumstance.

  • Page 33: Components Replacement

    DC Inverter U-match Series for R410A Unitary Split Air Conditioner DC Inverter Air Handler | Split Air Conditioner If the outdoor unit is rusty, coat the rusty location with paint to prevent it from expanding. 4.3.5 Components Replacement Components are available in Gree agency or Gree distributors nearby. 4.4 Notice on Maintenance 4.4.1 Information on Servicing The manual shall contain specific information for service personnel who shall...
  • Page 34 DC Inverter U-match Series for R410A Unitary Split Air Conditioner DC Inverter Air Handler | Split Air Conditioner Marking to the equipment continues to be visible and legible. Markings and signs that are illegible shall be corrected. Refrigeration pipe or components are installed in a position where they are unlikely to be exposed to any substance which may corrode refrigerant containing components, unless the components are constructed of materials which are inherently resistant to being corroded or are suitably...
  • Page 35 DC Inverter U-match Series for R410A Unitary Split Air Conditioner DC Inverter Air Handler | Split Air Conditioner Ensure that seals or sealing materials have not degraded such that they no longer serve the purpose of preventing the ingress of flammable atmospheres. Replacement parts shall be in accordance with the manufacturer’s specifications.
  • Page 36 DC Inverter U-match Series for R410A Unitary Split Air Conditioner DC Inverter Air Handler | Split Air Conditioner Prior to recharging the system it shall be pressure tested with OFN. The system shall be leak tested on completion of charging but prior to commissioning.
  • Page 37 DC Inverter U-match Series for R410A Unitary Split Air Conditioner DC Inverter Air Handler | Split Air Conditioner (11) Recovered refrigerant shall not be charged into another refrigeration system unless it has been cleaned and checked. 4.4.7 Labelling Equipment shall be labelled stating that it has been decommissioned and emptied of refrigerant.

  • Page 38: Manufacturer's Limited Warranty

    MANUFACTURER’S LIMITED WARRANTY WARRANTOR. This Limited Warranty is offered by Dragon Trade International Corp , 1205 Highland Avenue, National City, California 91950, (“Manufacturer”) on the Products described below. PRODUCT. This Limited Warranty applies to the following products, residential and commercial air conditioner units manufactured by Manufacturer, collectively (“Product”). WHO MAY USE THIS WARRANTY .
  • Page 39 AUTHORIZED TO CHANGE THIS LIMITED WARRANTY IN ANY RESPECT OR CREATE ANY OTHER OBLIGATION OR LIABILITY FOR MANUFACTURER IN CONNECTION WITH THE PRODUCT OR ANY UNITED APPLIANCES EQUIPMENT. 5.07 UNDER NO CIRCUMSTANCES SHALL MANUFACTURER BE LIABLE FOR ANY INDIRECT, INCIDENTAL, SPECIAL, PUNITIVE OR CONSEQUENTIAL DAMAGES, INCLUDING,...

  • Page 40: How To Obtain Warranty Service

    5.10 In the event of a Product failure, the Product should be de-energized, but otherwise should remain as-is, where-is until inspected by an authorized technician, unless there is a life/safety threat or the likelihood of resultant physical damage to other property, in which case all appropriate safety precautions should be taken by qualified persons.
  • Page 41 COMPETENT JURISDICTION CONSUMER AND MANUFACTURER AGREE THAT ANY DISPUTE, CLAIM OR CONTROVERSY ARISING OUT OF THIS AGREEMENT OR THE USE OF THE PRODUCT, INCLUDING ISSUES OF ARBITRABILITY, SHALL, ("DISPUTE"), AT THE OPTION OF EITHER PARTY, BE RESOLVED BY BINDING ARBITRATION BEFORE A SINGLE NEUTRAL ARBITRATOR ADMINISTERED BY JUDICIAL ARBITRATION AND MEDIATION SERVICES ("JAMS") UNDER ITS APPLICABLE ARBITRATION RULES IN EFFECT AT THE TIME THE DISPUTE ARISES.

  • Page 42: General Provisions

    8.03 Commencing the Arbitration. All claims in arbitration are subject to the same statues of limitations that would apply in court under applicable law. The Party bringing the claim must demand arbitration in writing and deliver the written demand by hand or first-class mail to the other party within the applicable statute of limitations period.
  • Page 43 RETURN AND EXCHANGE If you have any issues with your product or not entirely satisfied, please visit https://unitedappliances.com/us/returns-exchange/ or scan the QR code for all the steps.
  • Page 44 Imported by Dragon Trade International Corp. 614 5th Ave. Ste D, San Diego CA 92101-6964...

This manual is also suitable for:

Uadh24-dd3d1Uadh30-dd3d1Uadh36-dd3d1Uadh42-dd3d1Uadh48-dd3d1Uadh60-dd3d1

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