Gree GUD50T1/C-S Owner's Manual
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Gree GUD50T1/C-S Owner's Manual

Gree GUD50T1/C-S Owner's Manual

Dc inverter u-match series cassette type unit, indoor/outdoor unit
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Owner's Manual
Original Instructions
Air Conditioners
DC Inverter U-match Series Cassette Type Unit
Models:
Indoor Unit
GUD50T1/C-S
GUD71T1/C-S
GUD100T1/C-S
GUD125T1/C-S
GUD160T1/C-S
Outdoor Unit
GUD50W1/NhC-S
GUD71W1/NhC-S
GUD100W1/NhC-S
GUD125W1/NhC-S
GUD160W1/NhC-S

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Summary of Contents for Gree GUD50T1/C-S

  • Page 1 Owner's Manual Original Instructions Air Conditioners DC Inverter U-match Series Cassette Type Unit Models: Indoor Unit Outdoor Unit GUD50T1/C-S GUD50W1/NhC-S GUD71T1/C-S GUD71W1/NhC-S GUD100T1/C-S GUD100W1/NhC-S GUD125T1/C-S GUD125W1/NhC-S GUD160T1/C-S GUD160W1/NhC-S...
  • 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 please subject to actual product. If the supply cord is damaged, it must be replaced by the manufacturer, its service agent or similarly qualified persons in order to avoid a hazard. 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 Notices (Please be sure to abide them) ....1 2 Installation................4 2.1 Installation Preparation ............4 2.2 Unit Installation ..............15 2.3 Electrical Installation ............35 2.4 Check after Installation............45 2.5 Product Operating Range ............45 2.6 Test Running ................45 3 Product Introduction ............

  • Page 5: Safety Notices (Please Be Sure To Abide Them)

    DC Inverter U-match Series Cassette Type Unit 1 Safety Notices (Please be sure to abide them) SPECIAL WARNING: Be sure to comply with national gas regulations. Do not pierce or burn. Do not use means to accelerate the defrosting process or to clean, other than those recommended by the manufacturer.
  • Page 6 DC Inverter U-match Series Cassette Type Unit Before installing the air conditioner, please read the instruction manual. Before repairing the air conditioner, please read the instruction manual. The figures in this manual may be different with the material objects, please refer to the material objects for reference.
  • Page 7 DC Inverter U-match Series Cassette Type Unit WARNING! (8) During installation, use the specialized accessories and components, otherwise water leakage, electric shock or fire hazard may occur. (9) Please install the air conditioner in a secure place that can withstand the weight of air conditioner.

  • Page 8: Installation

    DC Inverter U-match Series Cassette Type Unit NOTES! (1) Do not put a finger or other objects into the air inlet or air return grill. (2) Please adopt safety protection measures before touching the refrigerant pipe, otherwise your hands may be hurt. (3) Please arrange the drain pipe according to the instruction manual.
  • Page 9 DC Inverter U-match Series Cassette Type Unit Refrigerant charging quantity for the entire system (ex-factory charging quantity + additional charging quantity). Checking out in the applicable tables: A. For indoor unit, confirm the model of indoor unit and check the corresponding table.
  • Page 10 DC Inverter U-match Series Cassette Type Unit Ceiling type Wall mounted type Floor standing type Weight Area Weight Area Weight Area (kg) (m²) (kg) (m²) (kg) (m²) 14.7 22.0 16.0 23.8 17.3 25.8 18.6 27.8 20.0 29.9 21.5 32.1 23.0 34.3 24.5 36.6...
  • Page 11 DC Inverter U-match Series Cassette Type Unit 2.1.2 Selection of Installation Location WARNING! (1) If the outdoor unit will be exposed in strong wind, it must be securely located, otherwise it may fall down. (2) Install the air conditioner at a place where the inclination is less than 5°. (3) Do not install the unit at a place with direct sunlight.

  • Page 12: Unit Dimension

    DC Inverter U-match Series Cassette Type Unit please add safety fences to protect the unit. Install at a place with good ventilation. Make sure the outdoor unit stays at a well-ventilated place with no obstacles nearby that may obstruct the air inlet and outlet.
  • Page 13 DC Inverter U-match Series Cassette Type Unit Indoor Unit GUD50T1/C-S,GUD71T1/C-S,GUD100T1/C-S,GUD125T1/C-S, GUD160T1/C-S Unit：mm Dimensions Model GUD50T1/C-S GUD71T1/C-S GUD100T1/C-S GUD125T1/C-S GUD160T1/C-S NOTES! (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 14 DC Inverter U-match Series Cassette Type Unit Outdoor Unit GUD50W1/NhC-S,GUD71W1/NhC-S,GUD100W1/NhC-S,GUD125W1/NhC-S, GUD160W1/NhC-S...
  • Page 15 DC Inverter U-match Series Cassette Type Unit Unit: mm Dimensions Model GUD50W1/NhC-S GUD71W1/NhC-S GUD100W1/NhC-S 1020 GUD125W1/NhC-S 1020 GUD160W1/NhC-S 1260 2.1.4 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 16 DC Inverter U-match Series Cassette Type Unit (mm) ≤1/2H — ≥250 — ≥2000 ≥1000 <H 1/2H<H ≤H — ≥250 — ≥2000 ≥1000 >H Prohibited B,D,E ≤1/2H — ≥100 — ≥2000 ≥1000 >H 1/2H<H ≤H — ≥200 — ≥2000 ≥1000 >H Prohibited When two or more outdoor units are to be installed side by side.
  • Page 17 DC Inverter U-match Series Cassette Type Unit When outdoor units are installed in rows. Unit:mm (mm) ≤1/2H b≥250 1/2H<H ≤H b≥300 >H Prohibited...
  • Page 18 When outdoor units are installed one above another. Unit:mm Diagram of installation location and space for indoor unit (Notice: for the best performance of indoor unit, make sure its installation space conforms to the following installation dimensions). Unit:mm Model H(mm) GUD50T1/C-S GUD71T1/C-S GUD100T1/C-S GUD125T1/C-S GUD160T1/C-S...

  • Page 19: Unit Installation

    DC Inverter U-match Series Cassette Type Unit 2.2 Unit Installation 2.2.1 Indoor Unit Installation In order to make the front panel cover 20mm of the ceiling, the distance between the ceiling and the unit should be 35mm or less. If the distance between the ceiling and the unit is above 35mm, add some ceiling material to shorten the distance.
  • Page 20 DC Inverter U-match Series Cassette Type Unit (2) Installing the Main Body Unit. 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 gasket from breaking off, a gasket anchor board can be helpful.

  • Page 21: Outdoor Unit Installation

    DC Inverter U-match Series Cassette Type Unit 2.2.1.2 Leveling The water level test must be done after installing the indoor unit to make the unit is horizontal, as shown below. 2.2.2 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 22: Connection Pipe Installation

    DC Inverter U-match Series Cassette Type Unit 2.2.3 Connection Pipe Installation 2.2.3.1 Installation Notice and Requirement on Connection Pipe Installation of Ordinary Nut and Tamperproof box. Unfold the connecting pipe and bend the connecting pipe according to the required length. Open the nut cover on the indoor unit’s pipe and align the conical mouth of the connecting pipe with the center of the indoor unit’s pipe.
  • Page 23 Liquid Model Gas pipe outdoor units pipe GUD50T1/C-S GUD71T1/C-S GUD100T1/C-S Φ3/8 Φ5/8 GUD125T1/C-S GUD160T1/C-S Connection pipe should adopt water-proof insulating material. Its wall thickness should be 0.5-1.0mm and the pipe wall should be able to withstand 6.0MPa. The longer the connection pipe is, the worse cooling and heating performance it has.
  • Page 24 DC Inverter U-match Series Cassette Type Unit Outdoor unit is above the indoor unit. It’s necessary to add oil return bend and non-return bend at the lowest and highest position of the vertical pipe, as shown below: Dimensions for the making of oil return bend are as follows: A(inch) B(mm) C(mm)

  • Page 25: Pipe Bending

    DC Inverter U-match Series Cassette Type Unit the bag of indoor unit accessories. Then fit the flare nut on the pipe and use a flaring tool to flare the mouth of connection pipe. Check whether the flaring part has cracked (see the figure below). 2.2.3.3 Pipe Bending The pipes are shaped by your hands.
  • Page 26 DC Inverter U-match Series Cassette Type Unit 2.2.3.4 Connection Pipe of Indoor and Outdoor Units NOTES! (1) Connect the pipe to the unit. Please follow the instructions stated in the figures below. Use both spanner and torque wrench. (2) When connecting the tapered screw nut, first apply chilled machine oil on its inner and outer surface and then screw it up for 3~4 circles.
  • Page 27 DC Inverter U-match Series Cassette Type Unit Pipe diameter (inch) Tightening torque (N·m) Ф1/4 15-30 Ф3/8 35-40 Ф1/2 45-50 Ф5/8 60-65 Ф3/4 70-75 Ф7/8 80-85 Screw on the flare nut of the flaring connecting pipe on the outdoor unit valve. The method of screwing the flare nut is the same with that for indoor unit.

  • Page 28: Vacuum Pumping

    The evacuation duration depends on the unit’s capacity generally. Model Time(min) GUD50T1/C-S GUD71T1/C-S GUD100T1/C-S GUD125T1/C-S GUD160T1/C-S And verify if the pressure gauge at the low pressure side of the manifold valve assembly reads -0.1MPa (-750mmHg), if not, it indicates there is leak somewhere.

  • Page 29: Leak Detection Methods

    DC Inverter U-match Series Cassette Type Unit NOTE: For large-size units, there are maintenance ports for liquid valve and gas valve. During evacuation, you may connect the two hoses of the branch valve assembly to the maintenance ports to speed up the evacuation. 2.2.4.2 Leak Detection Methods The following leak detection methods are deemed acceptable for systems containing flammable refrigerants.
  • Page 30 DC Inverter U-match Series Cassette Type Unit 2.2.5 Refrigerant Adding NOTE! Before and during operation, use an appropriate refrigerant leak detector to monitor the operation area and make sure the technicians can be well aware of any potential or actual leakage of inflammable gas. Make sure the leak detecting device is applicable to inflammable refrigerant.
  • Page 31 DC Inverter U-match Series Cassette Type Unit (3) Keep piping as short as possible and slope it downwards at a gradient of at least 1/100 so that air may not remain trapped inside the pipe. (4) If the drain pipe can’t be installed at a proper inclination, then add drain lift pipe.
  • Page 32 ③ pipe. Metal clamp ① Insulation sponge ② Indoor Unit A mm GUD50T1/C-S GUD71T1/C-S GUD100T1/C-S ≤15 GUD125T1/C-S GUD160T1/C-S 2.2.6.2 Outdoor Side Drain Pipe If the outdoor unit is underneath the indoor unit, arrange the pipeline according to the following diagram.
  • Page 33 DC Inverter U-match Series Cassette Type Unit If the outdoor unit is above the indoor unit, arrange the pipeline according to the following diagram. Wind the insulating tape from bottom to top. The whole pipeline should be wound together to avoid water returning to the room.
  • Page 34 DC Inverter U-match Series Cassette Type Unit 2.2.6.3 Notice on Drain Lift Pipe The drain lift pipe should be 1100mm or less away from ground, as shown below. Unit:mm If multiple drain pipes are to be converged, please install according to the following process.
  • Page 35 DC Inverter U-match Series Cassette Type Unit figure. 2) Install drain elbow as shown in the middle figure. 3) Install horizontal pipe as shown in the right figure. 2.2.6.4 Check Drainage After the pipeline work is finished, check whether the drainage can go smoothly.
  • Page 36 DC Inverter U-match Series Cassette Type Unit See the following diagram for the method of water filling. Unit: mm 2.2.7 Installing the Front Panel As shown below, take off the 4 corner covers from the front panel and loose the hexagon screw bolts on the 4 fasteners to the maximum.
  • Page 37 DC Inverter U-match Series Cassette Type Unit NOTICE: (1) Improper screw looseness will lead to the following problem. (2) After the screws are tightened, if there is still a gap between the ceiling and the decorative front panel, adjust the height of the unit again (as shown below).
  • Page 38 DC Inverter U-match Series Cassette Type Unit (3) After installing the front panel, make sure there’s no gap between the unit and the front panel. (4) Circuit of the decorative front panel. (5) Connect the front panel to the main body through the corresponding slots. Match the slots according to their different size.

  • Page 39: Electrical Installation

    DC Inverter U-match Series Cassette Type Unit WARNING! After installing the panel, the insulated protective cover with the thickness of 1mm shall be used to wrap the wiring terminal, Tighten the insulated glue cover on both sides with bonding tie to fix it. 2.3 Electrical Installation 2.3.1 Requirement and Notice on Electrical Installation WARNING:...
  • Page 40 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.
  • Page 41 DC Inverter U-match Series Cassette Type Unit NOTES: Fuse is located on the main board. ① Install a circuit breaker near the outdoor units with at least 3mm ② contact gap. The units must be able to be plugged or unplugged. Circuit breaker and power cord specifications listed in the above table ③...
  • Page 42 DC Inverter U-match Series Cassette Type Unit Use nippers to bend the solid wire into a ring that fits the terminal screw. Form a proper ring and then put it on the terminal board. Use a screwdriver to tighten up the terminal screw. For strand wires (as shown below): Use wire cutters to cut off the wire end and then peel away about 10mm of the insulation layer.
  • Page 43 The magnetic ring should be fixed reliably by cable tie. The engineering wires and buckle magnetic ring are not allowed to touch sharp edges. (Note: For GUD50T1/C-S, GUD71T1/C-S, GUD100T1/C-S, GUD125T1/C-S, GUD160T1/C-S units.) Buckle magnetic ring shall be added in the power line communication cord of outdoor and indoor unit.
  • Page 44 DC Inverter U-match Series Cassette Type Unit Buckle magnetic rings shall be added in the power line communication cord of outdoor and indoor unit, power line cord of outdoor unit. The added buckle magnetic rings shall be fixed at the outlet of power line communication cord and power line cord of outdoor，near the outdoor unit side;...
  • Page 45 DC Inverter U-match Series Cassette Type Unit WARNING! Before working, please check whether the indoor and outdoor units are powered on. Match the terminal numbers and wire colors with the colors indicated in the indoor unit. Wrong wire connection may burn the electrical components. Connect the wires firmly to the wiring box.
  • Page 46 DC Inverter U-match Series Cassette Type Unit GUD50T1/C-S+GUD50W1/NhC-S GUD71T1/C-S+GUD71W1/NhC-S Power cords 3×2.5mm ①. Power cords 4×1.0mm ②. Communication cords 2×0.75mm ③. Connection wires of DRED module ④. Single-phase unit:GUD100W1/NhC-S,GUD125W1/NhC-S,GUD160W1/NhC-S. GUD100T1/C-S+GUD100W1/NhC-S GUD125T1/C-S+GUD125W1/NhC-S Power cords 3×4.0mm ①. Power cords 4×1.0mm ②. Communication cords 2×0.75mm ③.
  • Page 47 DC Inverter U-match Series Cassette Type Unit Electrical wiring of indoor unit and Electrical wiring of outdoor unit. WARNING! High and low voltage wires should be led through different rubber rings of the electric box cover. Do not bundle up the connection wire and communication wire of wired controller or lay them side by side, otherwise errors will occur.
  • Page 48 DC Inverter U-match Series Cassette Type Unit Outdoor side Remove the big handle/front panel of the outdoor unit and insert one end of the communication cord and the power cord to the terminal board. Wire routing of outdoor unit: GUD50W1/NhC-S,GUD71W1/NhC-S. GUD100W1/NhC-S,GUD125W1/NhC-S.

  • Page 49: Check After Installation

    DC Inverter U-match Series Cassette Type Unit 2.4 Check after Installation Check Items after Installation Check items Possible events due to improper installation The unit may fall down, vibrate or produce Is the main body installed securely? noise. Cooling capacity may become Did you do water leakage test? unsatisfactory.
  • Page 50 DC Inverter U-match Series Cassette Type Unit Operation after connecting the power. If all the above works are finished, power on the unit. If the outside temperature is more than 30°C, heating mode can’t be enabled. Make sure the indoor and outdoor units can run normally. Feel the air flow of the indoor unit to see if it is normal.

  • Page 51: Product Introduction

    DC Inverter U-match Series Cassette Type Unit 3 Product Introduction 3.1 Overall Layout NOTE: The connection pipe, drain pipe, power cord for this unit should be prepared by the user.

  • Page 52: Installation Of Controller

    DC Inverter U-match Series Cassette Type Unit 4 Installation of Controller Refer to the wired controller or remote controller manual. 5 Maintenance 5.1 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 53 DC Inverter U-match Series Cassette Type Unit 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. the room will be quickly conditioner.

  • Page 54: Error Code

    NOTE: 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. Ask our professional service staff to check and repair the unit.
  • Page 55 DC Inverter U-match Series Cassette Type Unit Error Error code Error Error code Condenser temperature Driver module temperature sensor error protection ODU jumper cap error AC contractor protection IDU jumper cap error ODU AC current protection Discharge temperature Temperature drift protection sensor error Condenser Driveboard ambient temperature...
  • Page 56 DC Inverter U-match Series Cassette Type Unit Error Error code Error Error code Compressor air discharge DC indoor fan driver reset high-temperature protection protection ODU and IDU DC indoor fan over-current communication error protection Mode conflict DC indoor fan power protection DC indoor fan driver current Water-full protection detection circuit error...

  • Page 57: Unit Maintenance

    DC Inverter U-match Series Cassette Type Unit Error Error code Error Error code One control multi-machine endor Zero-crossing protection series is inconsistent Outdoor fan 2 error Outdoor fan overcurrent protection Outdoor ambient temperature Compressor startup abnormal(Temperature high failure opening heat mode or temperature over low open refrigeration mode) NOTE: When the unit is connected with the wired controller, the error code will be simultaneously shown on it.
  • Page 58 DC Inverter U-match Series Cassette Type Unit How to clean the air filter (2) Remove the air filter. 1) Remove the screws by a screwdriver as shown in the picture. 2) Push those two fasteners and open the panel grille. 3) Open the air inlet grille at 45°, raise it and remove the grille.
  • Page 59 DC Inverter U-match Series Cassette Type Unit How to clean the air filter (4) Cleaning the filer screen Use vacuum cleaner to remove dust or rinse the filter. If the filter is very dirty (greasy), use warm water (below 45°C) with neutral detergent to clean it.

  • Page 60: Drainage Pipe

    “ON” status before 8h of operation, to preheat the crankcase of outdoor compressor. Check if the installation of outdoor unit is firm, if not, please contact with Gree appointed maintenance center. 5.3.6 Maintenance at the end of the Using Season Cut off the main power of air conditioner.

  • Page 61: Notice On Maintenance

    If the outdoor unit is rusty, coat the rusty location with paint to prevent it from expanding. 5.3.7 Components Replacement Components are available in Gree agency or Gree distributors nearby. 5.4 Notice on Maintenance 5.4.1 Information on Servicing The manual shall contain specific information for service personnel who shall be instructed to undertake the following when servicing an appliance that employs a flammable refrigerant.
  • Page 62 DC Inverter U-match Series Cassette Type Unit 5.4.1.5 Presence of Fire Extinguisher If any hot work is to be conducted on the refrigeration equipment or any associated parts, appropriate fire extinguishing equipment shall be available to hand. Have a dry powder or CO fire extinguisher adjacent to the charging area.
  • Page 63 DC Inverter U-match Series Cassette Type Unit be checked for the presence of refrigerant. 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...

  • Page 64: Detection Of Flammable Refrigerants

    DC Inverter U-match Series Cassette Type Unit 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. NOTE：The use of silicon sealant may inhibit the effectiveness of some types of leak detection equipment.

  • Page 65: Charging Procedures

    DC Inverter U-match Series Cassette Type Unit The refrigerant charge shall be recovered into the correct recovery cylinders. The system shall be “flushed” with OFN to render the unit safe. This process may need to be repeated several times. Compressed air or oxygen shall not be used for this task.
  • Page 66 DC Inverter U-match Series Cassette Type Unit Become familiar with the equipment and its operation. Isolate system electrically. Before attempting the procedure ensure that: Mechanical handling equipment is available, if required, for handling refrigerant cylinders. All personal protective equipment is available and being used correctly.

  • Page 67: After-Sales Services

    When oil is drained from a system, it shall be carried out safely. 5.5 After-Sales Services Any quality or other issues encountered in the purchased air conditioner, please contact the local Gree after-sales service department.

This manual is also suitable for:

Gud71t1/c-sGud100t1/c-sGud125t1/c-sGud160t1/c-sGud50w1/nhc-sGud71w1/nhc-s ... Show all

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