Gree FLEXX Series Installation & Owner's Manual
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Gree FLEXX Series Installation & Owner's Manual

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FLEXX
Installation & Owner's Manual
Indoor Unit
Original Instructions
Air Conditioners
Air Handlers
Models:
FLEXX24HP230V1AH
FLEXX36HP230V1AH
FLEXX48HP230V1AH
FLEXX60HP230V1AH
Thank you for choosing our product.
Please read this Installation & Owner's Manual carefully before
operation and retain it for future reference.
If you lose this Manual, please contact your local distributor or
visit www.greecomcomfort.com/resources now to download and
file the electronic version.

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  • Page 1 FLEXX Installation & Owner's Manual Indoor Unit Original Instructions Air Conditioners Air Handlers Models: FLEXX24HP230V1AH FLEXX36HP230V1AH FLEXX48HP230V1AH FLEXX60HP230V1AH Thank you for choosing our product. Please read this Installation & Owner’s Manual carefully before operation and retain it for future reference. If you lose this Manual, please contact your local distributor or visit www.greecomcomfort.com/resources now to download and file the electronic version.
  • Page 2 To Users Thank you for selecting Gree’s 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 The final right to interpret for this instruction manual belongs to Gree Electric Appliances Inc. of Zhuhai. 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.

  • Page 4: Table Of Contents

    Contents 1 Safety Precautions ............1 2 Product Introduction ............2 2.1 Product Description ..............2 2.2 Optional Accessories..............2 2.3 Physical Dimension ..............3 2.4 Names of Main Parts ..............4 2.5 General Information ...............4 3 Preparative for Installation..........5 3.1 Pre-Installation Instruction ............5 3.2 Important Safety Instructions ..........5 4 Installation ................
  • Page 5 8 After-Sales Service ............22 9. ADDENDUM..............23 9.1 Air Handler Dip Switch Settings........23 This marking indicates that this product should not be disposed with other household wastes. To prevent possible harm to the environment or human health from uncontrolled waste disposal, recycle it responsibly to promote the sustainable reuse of material resources.

  • Page 6: 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 7: Product Introduction

    Lock out and tag switch with a suitable warning label. 2 Product Introduction 2.1 Product Description GREE air handlers offer the perfect combination of superior product quality, operating efficiency, operating sound levels and value for money. The condensing unit uses the environmentally friendly refrigerant R410A, which is chlorine-free to help prevent damage to the ozone layer.

  • Page 8: Physical Dimension

    Air Handlers 2.3 Physical Dimension Unit: inch(mm) Dimension Model FLEXX24HP230V1AH 21-1/4(540) 21-1/4(540) 48-1/4(1224) 11-5/8(295) 20(508) FLEXX36HP230V1AH FLEXX48HP230V1AH 24-3/4(630) 21-1/4(540) 57(1448) 11-5/8(295) 20(508) FLEXX60HP230V1AH...

  • Page 9: Names Of Main Parts

    Air Handlers 2.4 Names of Main Parts 2.5 General Information Model Cooling capacity(ton) Optional electric heater (KW) 2.0 / 3.0 FLEXXHTR5KW FLEXX24,36HP230V1AH 2.0 / 3.0 FLEXXHTR8KW FLEXX24,36HP230V1AH 3.0 / 4.0 / 5.0 FLEXXHTR10KW FLEXX36,48,60HP230V1AH 4.0 / 5.0 FLEXXHTR15KW FLEXX48,60HP230V1AH 4.0 / 5.0 FLEXXHTR20KW FLEXX48,60HP230V1AH Motor @ 230V ~, 60Hz...

  • Page 10: Preparative For Installation

    Air Handlers 3 Preparation for Installation 3.1 Pre-Installation Instruction 3.1.1 Checking Product Received After receiving the product, please check if there is any damage caused by transportation. Shipping damage is the responsibility of the carrier. Verify the model number, specifications and accessories are correct prior to installation. The distributor or manufacturer will not accept claims from dealers for transportation damage or installation of incorrectly shipped units.
  • Page 11 Air Handlers immediate or potential hazards. It is the owner’s responsibility to read and comply with all safety information and instructions accompanying these symbols. Failure to heed safety information increases the risk of serious personal injury or death, property damage and/or product damage. Immediate hazards which will result in property damage, product damage, severe personal injury or death.
  • Page 12 Air Handlers circuit may consist of an appropriate sized power cord which connected with the grounding piece located in the unit control box and also connecting to the building electric service panel. Other methods of grounding are permitted if performed in accordance with the “National Electric Code”...

  • Page 13: Installation

    Air Handlers 4 Installation 4.1 Unit Inspection Upon delivery, inspect the unit for damage. Any damage must be reported immediately to the carrier. Do not install such an equipment damaged by freight which determines the integrity and safety of the unit. Please check the equipment model number to ensure the unit is appropriately sized for the condensing unit.

  • Page 14: Piping Work

    Air Handlers 4.3 Piping Work 4.3.1 Specification of Connection Pipe External diameter (inch) Model Gas pipe Liquid pipe FLEXX24HP230V1AH FLEXX36HP230V1AH Φ3/4 Φ3/8 FLEXX48HP230V1AH FLEXX60HP230V1AH 4.3.2 Piping Preparation 4.3.2.1 Solder Connection All cut ends are to be round, burr free, and cleaned. Failure to follow this practice increases the chances for refrigerant leakage.

  • Page 15: 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 Do not connect the condensate drain pipe into sewer pipe or other pipelines which are likely to produce corrosive or bad odors to prevent the smell from entering indoors and/or corroding the unit.

  • Page 16: Ductwork

    Air Handlers Do not connect the condensate drain pipe to any rain drainage pipe to prevent rain water from backing up and causing property loss or personal injury. Condensate drain pipe should be connected into dedicated drain system for the air conditioner. The drain pan has primary and secondary drain connections.

  • Page 17: 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 “installing electric heater”...

  • Page 18: Electrical Installation

    Air Handlers 6) Insert power leads into the circuit breaker lugs or stripped red and black wires (for heater kit without circuit breaker) and tighten. 7) Connect ground wire to ground lug. 8) Knock off appropriate area of the plastic circuit breaker cover on the access panel of the air handler.
  • Page 19 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. ⑩. Wiring terminals should be connected securely to the terminal board. Loose connection is forbidden.
  • Page 20 Air Handlers 4.7.2 Electrical Parameters - Without Optional Heater Minimum Maximum Model Power supply circuit overcurrent ampacity (A) protection (A) FLEXX24HP230V1AH FLEXX36HP230V1AH 208/230V-1Ph-60Hz FLEXX48HP230V1AH FLEXX60HP230V1AH ①. Fuse is located on the main board. ②. Install a circuit breaker at every power terminal near the units (indoor unit and thermostat) with at least 3mm contact gap.
  • Page 21 Air Handlers 4.7.3 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. 2) Use a screwdriver to unscrew the terminal screw on the terminal board. 3) Use nippers to bend the solid wire into a ring that fits the terminal screw.
  • Page 22 Air Handlers 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 operating, please confirm the indoor unit and thermostat are powered ②.

  • Page 23: Installation Check And Trial Run

    Air Handlers ①. High and low voltage wires should be led through different rubber grommets of the electric box cover. ②. Do not bundle up the thermostat wires or lay them side by side, otherwise errors will occur. ③. High and low voltage wires should be secured separately. Secure the former ones with big clamps and the latter ones with small clamps.

  • Page 24: Trial Run

    Air Handlers Problems might happen due to Items to be checked Check improper installation Check if the unit has been earthed Hazard of electricity leakage. soundly. Check if the wiring conforms to the Malfunction might happen and parts wire gage. might be burned.

  • Page 25: Common Malfunction And Elimination

    Air Handlers 6 Common Malfunction and Elimination If the unit doesn’t run normally, please check the following items before ask for service. Phenomenon Reason Treatment The unit doesn’t connect with Connect with power power supply. supply. The unit can not be Check if circuit voltage Low voltage.

  • Page 26: Maintenance And Care

    Air Handlers Following circumstances are not malfunction. “Malfunction” Reason When unit is started Overload protection switch immediately after it is just makes it run after 3 minutes turned off. delay. Unit doesn’t run. Standby operating for about 1 When power is turned on. minute.

  • Page 27: Maintenance After Seasonal Use

    Air Handlers Check if the unit is installed securely. If there is something abnormal, please contact a licensed HVAC professional. 7.3 Maintenance after Seasonal Use Cut off main power supply of the unit. Clean filter screen of indoor units. Clean the dust of sundries on the indoor units. In the event of rusting, use the anti-rust paint to stop spreading of rust.
  • Page 28 9.1 Air Handler Dip Switch Settings Default factory setting is: Low air flow setting. "ON" side is 0, the other side is 1. For example: Below is the default setting of 36K: 0010 0010 24K dip switch: Low air flow setting: 0101 (HEAT) /0101 (COOL) Mid.
  • Page 29 U.S. CONTACT INFORMATION TRADEWINDS, LLC www.greecomfort.com/resources E-mail: info@twclimate.com Contractor Support 888-850-7928 | Mon–Fri 8AM-5PM EDT CAT NO: GREE_FLEXX_INDOOR_INSTALL & OWNERS_11102020...

This manual is also suitable for:

Flexx24hp230v1ahFlexx36hp230v1ahFlexx48hp230v1ahFlexx60hp230v1ah

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