Gree U-match Series Owner's Manual
  1. Manuals
  2. Brands
  3. Gree Manuals
  4. Air Conditioner
  5. U-match Series
  6. Owner's manual
Gree U-match Series Owner's Manual

Gree U-match Series Owner's Manual

Dc inverter cassette type unit, indoor/outdoor units
Hide thumbs Also See for U-match Series:
Table of Contents

Advertisement

Quick Links

Download this manual
Owner's Manual
Original Instructions
Air Conditioners
DC Inverter U-match Series Cassette Type Unit
Models:
Indoor Unit
Outdoor Unit
GKH24S3GI
GUHD24NS3GO
GKH36S3GI
GUHD36NS3GO
GKH42S3GI
GUHD42NS3GO
GKH48S3GI
GUHD48NS3GO

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the U-match Series and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Gree U-match Series

Summary of Contents for Gree U-match Series

  • Page 1 Owner's Manual Original Instructions Air Conditioners DC Inverter U-match Series Cassette Type Unit Models: Indoor Unit Outdoor Unit GKH24S3GI GUHD24NS3GO GKH36S3GI GUHD36NS3GO GKH42S3GI GUHD42NS3GO GKH48S3GI GUHD48NS3GO...
  • 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 (7) The final right to interpret for this instruction manual belongs to Gree Electric Appliances Inc. of Zhuhai. Exception Clauses...

  • Page 4: Table Of Contents

    Contents ................. 1 1 Safety Precautions ............3 2 Outline of the Unit and Main Parts ..............4 3 Preparative for Installation 3.1 Standard Accessory Parts ................4 3.2 Selection of the Installation Location .............. 5 3.3 Connection Pipe Requirement ............... 7 3.4 Electrical Requirement ...................

  • Page 5: Safety Precautions

    DC Inverter U-match Series Cassette Type Unit 1 Safety Precautions This mark indicates procedures which, improperly WARNING! performed, might lead to the death or serious injury of the user. This mark indicates procedures which, improperly CAUTION! performed, might possibly result in personal harm to the user, or damage to property.
  • Page 6 DC Inverter U-match Series Cassette Type Unit WARNING! (10) After connecting interconnecting and supply wiring be sure to shape the cables so that they do not put undue force on the electrical covers or panels. Install covers over the wires.

  • Page 7: Outline Of The Unit And Main Parts

    DC Inverter U-match Series Cassette Type Unit CAUTION! (1) Do not install the air conditioner in a place where there is danger of exposure to inflammable gas leakage. If the gas leaks and builds up around the unit, it may catch fire.

  • Page 8: Preparative For Installation

    DC Inverter U-match Series Cassette Type Unit 3 Preparative for Installation 3.1 Standard Accessory Parts The standard accessory parts listed below are furnished and should be used as required. Table 3.1 Indoor Unit Accessories Name Appearance Q'ty Usage To connect with the hard...

  • Page 9: Selection Of The Installation Location

    DC Inverter U-match Series Cassette Type Unit Table 3.2 Outdoor Unit Accessories Name Appearance Q'ty Usage To plug the unused Drain Plug 1 or 3 drain hole Drainage To connect with the Connecter hard PVC drain pipe 3.2 Selection of the Installation Location...
  • Page 10 DC Inverter U-match Series Cassette Type Unit When installing the suspension bolt, check if the installation place can stand 4 times of the weight of the unit. If not, reinforce it before installation. NOTE: There will be large amount of greasy dirt accumulated on the fan, heat exchanger...

  • Page 11: Connection Pipe Requirement

    DC Inverter U-match Series Cassette Type Unit (5) Take the air conditioner weight into account and select a place where noise and vibration are small. (6) Install the outdoor unit where is capable of withstanding the weight of the unit and generates as less noise and vibration as possible.

  • Page 12: Electrical Requirement

    DC Inverter U-match Series Cassette Type Unit Table 3.4 Size of Fitting Max. Height Max. Drainage Item Pipe(inch) Difference Pipe Pipe(Outer between Indoor Length Diameter × Wall Model Unit and Liquid Thickness) (mm) Outdoor Unit (m) GKH24S3GI Φ25×1.5 GKH36S3GI Φ25×1.5 Φ3/8...
  • Page 13 DC Inverter U-match Series Cassette Type Unit NOTES: ① The fuse is located on the main board. ② Install the disconnect device with a contact gap of at least 3mm in all poles nearby the units (Both indoor unit and outdoor unit). The appliance must be positioned so that the plug is accessible.

  • Page 14: Installation Of The Unit

    DC Inverter U-match Series Cassette Type Unit 4 Installation of the Unit 4.1 Installation of the Indoor Unit 4.1.1 Indoor unit dimension GKH24S3GI; GKH36S3GI; GKH42S3GI...
  • Page 15 DC Inverter U-match Series Cassette Type Unit GKH48S3GI Fig. 4.1 Table 4.1 Unit:mm Item Model GKH24S3GI GKH36S3GI GKH42S3GI GKH48S3GI 1040 — CAUTION! (1) Drilling of ceiling opening and installation of air conditioner must be performed by professionals! (2) Please refer to the installation cardboard for the dimension of drilling hole of...
  • Page 16 DC Inverter U-match Series Cassette Type Unit 4.1.2 Installing the Main Body Unit Fig. 4.2 (1) Install the hoisting stand on the hoisting screw by using nuts and gaskets at both the upper and lower sides of the hoisting stand. To prevent the...

  • Page 17: Installation Of The Outdoor Unit

    DC Inverter U-match Series Cassette Type Unit (3) Insert the anchor bolts into the drilled holes, and drive the pins completely into the anchor bolts with a hammer. (Fig. 4.5) Fig4.3 Fig4.4 Fig4.5 4.1.4 Leveling The water level test must be done after installing the indoor unit to make the unit is horizontal, as shown below.
  • Page 18 DC Inverter U-match Series Cassette Type Unit 4.2.1 Outdoor unit dimension Fig. 4.7 Table 4.2 Unit: mm Item Model GUHD24NS3GO 1005 GUHD36NS3GO 1105 1105 GUHD42NS3GO GUHD48NS3GO 1085 1365 4.2.2 Condensate Drainage of the Outdoor Unit NOTES: Only for the heat pump unit. (Fig. 4.8) (1) It is required to install a drain pipe for the outdoor unit to drain out the condensate water during heating operation.

  • Page 19: Installation Of The Connection Pipe

    DC Inverter U-match Series Cassette Type Unit Fig. 4.8 4.3 Installation of the Connection Pipe 4.3.1 Flare Processing (1) Cut the connection pipe with the pipe cutter and remove the burrs. (2) Hold the pipe downward to prevent cuttings from entering the pipe.
  • Page 20 DC Inverter U-match Series Cassette Type Unit (2) Do not bend the pipes in an angle more than 90°. (3) When pipes are repeatedly bent or stretched, the material will harden, making it difficult to bend or stretch them any more. Do not bend or stretch the pipes more than three times.
  • Page 21 DC Inverter U-match Series Cassette Type Unit would mangle the nut and lead to leakage). Examine the connection pipe to see if it leaks, then take the treatment of heat insulation, as shown in the Fig. 4.12. Use the medium-sized sponge to insulate the coupler of the gas pipe.
  • Page 22 DC Inverter U-match Series Cassette Type Unit 4.3.4 Connecting the Pipe at the Outdoor Side Unit Tighten the flare nut of the connection pipe at the outdoor unit valve connector. The tightening method is the same as that as at the indoor side.
  • Page 23 DC Inverter U-match Series Cassette Type Unit 4.3.7 Liquid Pipe and Drain Pipe (1) If the outdoor unit is installed lower than the indoor unit (See Fig. 4.15) 1) A drain pipe should be above ground and the end of the pipe does not dip into water.

  • Page 24: Vacuum And Gas Leakage Inspection

    DC Inverter U-match Series Cassette Type Unit 4.4 Vacuum and Gas Leakage Inspection CAUTION! Do not purge the air with refrigerants but use a vacuum pump to vacuum the installation! There is no extra refrigerant in the outdoor unit for air purging! 4.4.1 Vacuum...
  • Page 25 DC Inverter U-match Series Cassette Type Unit Fig. 4.17 NOTE: For the large-sized unit, it has the service port for both the gas valve and the liquid valve. During evacuation, it is available to connect two hoses of the manifold valve assembly to two service ports to quicken the evacuating speed.
  • Page 26 DC Inverter U-match Series Cassette Type Unit When the height difference between the indoor unit and outdoor unit is larger than 10m, an oil bend should be employed for every 6m. Outdoor unit is beneath the indoor unit: Outdoor unit is above the indoor unit:...

  • Page 27: Installation Of The Drain Pipe

    DC Inverter U-match Series Cassette Type Unit 4.5 Installation of the Drain Pipe (1) 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 28 DC Inverter U-match Series Cassette Type Unit Insulate the pipe clamp and the drain During the installation, distance from hose using heat insulation sponge. soft drain pipe to the gasket is 15±3mm ① Metal clamp when the bolt is tightened. It is not ②...
  • Page 29 DC Inverter U-match Series Cassette Type Unit Fig. 4.21 Fig. 4.22 Fig. 4.23 Connection of drainage branch pipe to the standpipe or horizontal pipe of drainage main pipe The horizontal pipe cannot be connected to the vertical pipe at a same height. It can be connected in a manner as shown below: No.1: Attach the 3-way connection of the drainage pipe joint as shown in Fig.
  • Page 30 DC Inverter U-match Series Cassette Type Unit Unit: mm(inch) Fig. 4.27 (2) Secure a downward gradient of 1/100 or more for the drain pipe. To accomplish this, mount supporting brackets at an interval of 1 - 1.5 m. Fig. 4.28...

  • Page 31: The Panel Installation

    DC Inverter U-match Series Cassette Type Unit 4.5.4 Testing of Drain Piping After piping work is finished, check if drainage flows smoothly. Shown in the Fig. 4.29, Add approximately 1liter of water slowly into the drain pan and check drainage flow during COOL running.
  • Page 32 DC Inverter U-match Series Cassette Type Unit (2) Improper screwing of the screws may cause the troubles shown in Fig. 4.31. Fig. 4.31 (3) If gap still exists between ceiling and decoration panel after tightening the screws, readjust the height of the indoor unit. (Fig. 4.32) Fig.

  • Page 33: Electrical Wiring

    DC Inverter U-match Series Cassette Type Unit 4.6.2 Installing the Panel (1) Place the panel at the unit, and latch the hooks beside and opposite the swing flap motor. (2) Latch other two hooks. (3) Tighten four hexagonal screws under the latches about 15mm.
  • Page 34 DC Inverter U-match Series Cassette Type Unit WARNING! (4) Always use a special branch circuit and install a special receptacle to supply power to the air conditioner. (5) Use a special branch circuit breaker and receptacle matched to the capacity of the air conditioner.
  • Page 35 DC Inverter U-match Series Cassette Type Unit terminal to each stripped wire end. 4) Position the round terminal wire, and replace and tighten the terminal screw with a screwdriver. (Fig. 4.36) Fig. 4.35 Fig. 4.36 Fig. 4.37 (3) How to fix connection cord and power cord by cord clamp.
  • Page 36 DC Inverter U-match Series Cassette Type Unit (4) Electric wiring between the indoor and outdoor units. Single-phase units: GUHD24NS3GO; GUHD36NS3GO; GUHD42NS3GO; GUHD48NS3GO Fig. 4.38 GUHD24NS3GO+GKH24S3GI ① Power cord 3×2.5mm²(H07RN-F) ② Power cord 3×1.0mm²(H05RN-F) ③ Communication cords 2×0.75mm²(H05RN-F) GUHD36NS3GO+GKH36S3GI GUHD42NS3GO+GKH42S3GI ① Power cord 3×4.0mm²(H07RN-F) ②...
  • Page 37 DC Inverter U-match Series Cassette Type Unit (5) Electric wiring of indoor unit side. Remove the electric box cover from the electric box sub-assy and then connect the wire. For the units: GKH24S3GI; GKH36S3GI; GKH42S3GI; GKH48S3GI Fig. 4.39 CAUTION! (1) The power cord and the wire of the fresh air valve are high-voltage, while the communication cord and connection wire of the wired controller are low-voltage.
  • Page 38 DC Inverter U-match Series Cassette Type Unit CAUTION! (3) Do not bundle the connection wire of the wired controller and the communication cord together, or arrange them in parallel, otherwise improper operation would occur. (4) The high-voltage and low-voltage lines should be fixed separately and securely, with internal big clamps for the former and small clamps for the latter.

  • Page 39: Installation Of Controllers

    DC Inverter U-match Series Cassette Type Unit 2) The Power Supply for indoor unit from outdoor unit: Fig. 4.41 5 Installation of Controllers Refer to the Installation Manual of the controller for more details. 6 Test Running 6.1 Trial Operation and Testing (1) The meaning of error codes as shown below: Table 6.1...
  • Page 40 DC Inverter U-match Series Cassette Type Unit Number Error code Error Condenser temperature sensor error Outdoor ambient temperature sensor error Discharge temperature sensor error Temperature sensor error of wired controller Outdoor memory chip error Compressor overload protection Overloading IPM protection...
  • Page 41 DC Inverter U-match Series Cassette Type Unit Number Error code Error Outdoor unit capacity code error Indoor unit capacity code error NOTE: When the unit is connected with the wired controller, the error code will be simultaneously shown on it.

  • Page 42: Working Temperature Range

    DC Inverter U-match Series Cassette Type Unit 6.2 Working Temperature Range Table 6.2 Indoor Side Outdoor Side Test Condition DB(°C) WB(°C) DB(°C) WB(°C) Nominal Cooling Nominal Heating − Rated Cooling − Low Temp. − Cooling Rated Heating − Low Temp.

  • Page 43: Troubleshooting And Maintenance

    After carrying out the check of the above items and taking relevant measures to solve the problems but the air-conditioning unit still does not function well, please stop the operation of the unit immediately and contact the local service agency designated by Gree. Only ask professional serviceman to check and repair the unit.

  • Page 44: Routine Maintenance

    DC Inverter U-match Series Cassette Type Unit 7.2 Routine Maintenance Only a qualified service person is allowed to perform maintenance. Before accessing to terminal devices, all power supply circuits must be disconnected. Do not use water or air of 50°C or higher for cleaning air filters and outside panels.
  • Page 45 DC Inverter U-match Series Cassette Type Unit How to clean the air filter 2) How to open the panel grille of the 48K cassette type unit. a) Remove the screws by a screwdriver as shown in the picture. b) Push those two fasteners and open the panel grille.
  • Page 46 DC Inverter U-match Series Cassette Type Unit How to clean the air filter (5) Clean the filer screen. Clean the filer screen by a vacuum cleaner or wash it by flashing water. If the oil stain on the filter can not be removed or cleaned up, wash it by warm water meld with the detergent.

This manual is also suitable for:

Gkh24s3giGuhd24ns3goGkh36s3giGuhd36ns3goGkh42s3giGuhd42ns3go ... Show all

Table of Contents