Gree FLEXX ULTRA FXU24HP230V1R32AH Owner's Manual
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Gree FLEXX ULTRA FXU24HP230V1R32AH Owner's Manual

Gree FLEXX ULTRA FXU24HP230V1R32AH Owner's Manual

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Summary of Contents for Gree FLEXX ULTRA FXU24HP230V1R32AH

  • Page 1 Air Handlers Models:...
  • Page 2 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...
  • Page 3 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 4: 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 5 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 6 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 ......39 16 Removal and Evacuation ..........39 17 Charging Procedures ............ 40 18 Decommissioning............

  • Page 7: 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 8 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 9: Product Introduction

    6 inches from the solid bottom. 2 Product Introduction 2.1 Product Description The GREE air handler offer the perfect combination of superior product quality,...

  • Page 10: Operating Range

    Air Handlers operating efficiency, operating sound levels and value for money. The condensing unit uses the environmentally friendly refrigerant R32, which is chlorine-free to help prevent damage to the ozone layer. This product cannot be used in combination with other products, otherwise it may cause performance, reliability and safety problems.

  • Page 11: 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 12: General Information

    Air Handlers Remove the lower front side panel Remove the fixing screws of the refrigerant sensor Replace the refrigerant sensor with a new one. The service life of the refrigerant sensor is fifteen years and The refrigerant sensor of the refrigerant detection system can only be replaced with the Sensirion sensor Where a single remote refrigerant sensor is used in a room with multipleunits, all units in the room which do not have a dedicated refrigerant detection system...

  • Page 13: Dip Switch Configuration

    Air Handlers The room area is calculated according to the height of 2.2m.Minimum room height is 2.2m This manual is only applicable to a single room. Correct the minimum room area of the space Amin by multiplying by an altitude adjustment factor (AF) based on for building site ground level altitude (Halt) in meters.

  • Page 14: Fan Performance Data

    Air Handlers Model Level Heat (SA2) Cool (SA1) Level 1 Level 2 Level 3-Default Level 4 Level 5 Level 1 Level 2 Level 3-Default Level 4 Level 5 Level 1 Level 2 Level 3-Default Level 4 Level 5 Level 1 Level 2 Level 3-Default...
  • Page 15 Air Handlers Model Static pressure: Inches W.C.(Pa) Level 0.15 (25) (37) (50) (75) (100) (125) (150) (175) (200) (225) (250) Speed 1750 1700 1650 1600 1590 1500 1420 1330 1200 1050 950 5(CFM) Model Static pressure: Inches W.C.(Pa) Level 0.15 (25) (37) (50)

  • Page 16: Preparative For Installation

    Air Handlers Model Static pressure:Inches W.C.(Pa) Level 0.15 (25) (37) (50) (75) (100) (125) (150) (175) (200) (225) (250) Speed 2110 2000 1950 1860 1760 1640 1500 — — — — — 3(CFM) Speed 2300 2260 2230 2200 2150 2115 2050 1990 1920 1790 1650 1470 4(CFM) Speed 2320 2280 2250 2230 2190 2140 2080 2040 2000 1950 1920 1890...

  • Page 17: 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 18 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 19: 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 20 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 21: Piping Work

    Air Handlers 4.3 Piping Work 4.3.1 Specification of Connection Pipe External diameter (inch) Model Gas pipe Liquid pipe 4.3.2 Piping Preparation The gas pipe connection method adopts solder connection, the liquid pipe connection method is screw connection. 4.3.2.1 Solder Connection All cut ends are to be round, burr free, and cleaned.
  • Page 22 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 23: Condensate Removal

    Air Handlers 4.3.2.2 Screw Connection Pipe diameter (inch) Tightening torque (N·m) 15-30 35-40 45-50 60-65 70-75 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 24: 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 25: 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 26 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 27: 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: The electrical installation must be conducted by professionals in compliance with local laws and regulations and the instructions in this manual.
  • Page 28 Do not change the power cables arbitrarily. Do not change the length and terminals of the power cables. If you want to change the power cables, please contact Gree’s local service center. Wiring terminals should be connected firmly to the terminal board. Loose connection is forbidden.
  • Page 29 Air Handlers 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. Circuit breaker and power cord specifications listed in the above table are determined based on the maximum power input of the units.
  • Page 30 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.) Before working, please check whether the indoor unit and thermostat are powered on.
  • Page 31 Air Handlers Ground wire should be connected. Electrical wiring of indoor units (Only for air handler without electric heater) Electrical wiring of indoor units...
  • Page 32 Air Handlers (only for air handler with BLR 6000W/240V BLR)
  • Page 33 Air Handlers (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. R means 24V AC power supply. C means 24V common.

  • Page 34: 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 35: 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 36: Common Malfunction And Elimination

    Reduce heat source. room. Filter screen is blocked by Clean the filter. dirt. NOTE: If reasons are still unclear after checking above items, please contact Gree service center and show phenomena and models. Following circumstances are not malfunction. “Malfunction” Reason...
  • Page 37 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 38: 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 39: 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 40: 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 41: Disposal Of Equipment Using Flammable Refrigerants

    Air Handlers these signs. The effectiveness of signs should not be diminished by too many signs being 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.

  • Page 42: General Work Area

    Air Handlers 11.4 General Work Area All maintenance staff and others working in the local area shall be instructed on 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 43: Checks To Electrical Devices

    Air Handlers purpose and to the correct specification. At all times the manufacturer’s maintenance and service guidelines shall be followed. If in doubt, consult the 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;...

  • Page 44: Pipe Installation

    Air Handlers suitable with the refrigerant shall be installed in connecting ductwork for duct connected appliances, false ceilings or drop ceilings may be used as a return air 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.

  • Page 45: Detection Of Flammable Refrigerants

    Air Handlers 15 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 all refrigerant systems.

  • Page 46: Charging Procedures

    Air Handlers system shall be purged with oxygen-free nitrogen to render the appliance safe for flammable refrigerants. This process might need to be repeated several times. safely remove refrigerant following local and national regulations; evacuate; purge the circuit with inert gas (optional for A2L); evacuate (optional for A2L);...

  • Page 47: Decommissioning

    Air Handlers purging gas. The system shall be leak-tested on completion of charging but prior to commissioning. A follow up leak test shall be carried out prior to leaving the site. 18 Decommissioning Before carrying out this procedure, it is essential that the technician is completely familiar with the equipment and all its detail.

  • Page 48: Recovery

    Air Handlers emptied of refrigerant. The label shall be dated and signed. For appliances containing FLAMMABLE REFRIGERANTS, ensure that there are labels on the 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.
  • Page 49 U.S. CONTACT INFORMATION TRADEWINDS, LLC U.S. CONTACT INFORMATION TRADEWINDS, LLC E-mail: E-mail: info@twciimate.com info@twciimate.com Contractor Support: 888-850-7928 I Mon-Fri 8 AM - 5 PM EST G R E E C O M F O R T . C O M CAT NO:...

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