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Summary of Contents for Gree UMAT18HP230V1AD
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Page 1: Installation Manual
SLIM CONCEALED DUCT AIR CONDITIONING & HEATING SYSTEM INSTALLATION MANUAL Models: Indoor Unit Outdoor Unit UMAT18HP230V1AD UMAT18HP230V1AO UMAT24HP230V1AD UMAT24HP230V1AO UMAT30HP230V1AD UMAT30HP230V1AO UMAT36HP230V1AD UMAT36HP230V1AO UMAT42HP230V1AD UMAT42HP230V1AO UMAT48HP230V1AD UMAT48HP230V1AO... -
Page 2: Table Of Contents
Thank you for choosing a Slim Concealed Duct unit for your customer. Please read this installation manual carefully before installing and starting up the U-Match System.Take a moment to fill out the product and installation form on the back cover. Retain both the manual and installation record for future reference. Table of Contents Safety Precautions . -
Page 3: Safety Precautions
SAFETY PRECAUTIONS Please read the following before installation. This is the safety alert symbol. It is used to alert you to potential personal injury hazards. Obey all safety messages that follow this symbol to avoid possible injury or death. This mark indicates procedures which, if improperly performed, W RNING might lead to the death or serious injury of the user. -
Page 4: Nomenclature
NOMENCLATURE Indoor unit Example: UM T18HP230V1 D Outdoor unit Example: UM T18HP230V1 O UMAT 18 HP 230V 1 A O Series Designation Product Type S - System UMAT – U-Match Series O - Outdoor Units H - Indoor High Wall Cooling Capacity D - Indoor Duct 18 - 18,000 BtuH... -
Page 5: System Requirements
SYSTEM REQUIREMENTS PIPE SIZE in (mm) REFRIGERANT LINE LENGTHS ft (m) Unit Size Liquid Suction/Gas Min Line Max. Pre-Charge Max Line Max Elevation (BtuH) Line Line Length Line Length Length (ID over OD) 18,000 1/4 (6) 1/2 (12) 10 (3) 25(7.5) 66 (20) 49 (15) -
Page 6: Suggested Tools
SUGGESTED TOOLS • Standard Wrench • Adjustable/Crescent Wrench • Torque Wrench • Hex Keys or Allen Wrenches • Drill & Drill Bits • Hole Saw • Pipe Cutter • Screw drivers (Phillips & Flat blade) • Manifold and Gauges • Level •... -
Page 7: System Parts
SYSTEM PARTS Indoor Unit Air outlet Part Name 1. Indoor Power Supply 2. Electric Box 3. Communication Cable 4. XK-60 Wired Tether Controller 5. Communication Cable 6. Front Panel 7. Service Cover 8. Liquid Pipe 9. Gas Pipe 10. Drain Hose Air inlet 11. -
Page 8: Standard Parts
STANDARD PARTS Indoor Unit Accessories Name Appearance Usage Wired Controller Controls the indoor unit Hanger Supports the indoor unit Nut with Washer Fastens the hanger brackets to the cabinet of the unit Nut with Washer Fastens the hanger brackets to the cabinet of the unit Used with the suspension bolt for installing the unit Washer... -
Page 9: Installation Site Instructions
INSTALLATION SITE INSTRUCTIONS Indoor Unit W RNING The unit must be installed in a location which can withstand twice the weight of the unit. Inadequate building support at the installation location may result in serious property damage and injuries. Review the installation location with the customer as follows: 1. -
Page 10: Installation Site Instructions
INSTALLATION SITE INSTRUCTIONS Outdoor Unit W RNING The unit should be installed level on a pad that can support twice the weight of the unit. If the outdoor unit will be exposed to strong winds, it must be adequately secured. C UTION Do not install the unit at a location where the distance exceeds the maximum length indicated in the table.The maximum length of the connection pipe is listed in the System Requirements section. -
Page 11: Indoor Unit Installation
INDOOR UNIT INSTALLATION For the units: 18K INDOOR UNIT DIMENSIONS in (mm) Model 37-1/4 24-3/8 35-1/8 40-7/8 28-3/8 4-7/8 10-1/2 UMAT18HP230V1AD (945) (618) (738) (892) (1037) (721) (738) (125) (203) (266) (Approx) For the units: 24-42K INDOOR UNIT DIMENSIONS in (mm) - Page 12 INDOOR UNIT INSTALLATION For the units: 48K INDOOR UNIT DIMENSIONS in (mm) Model 43-3/8 25-3/8 33-1/2 45-1/4 52-3/4 29-1/2 37-1/2 7-1/2 12-1/2 13-3/4 UMAT48HP230V1AD (1101) (646) (852) (1150) (1340) (750) (953) (190) (316) (350)
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Page 13: Indoor Unit Installation
INDOOR UNIT INSTALLATION Mounting Indoor Unit It is critical to properly secure the indoor unit to a stable and rigid structure that can support twice its weight for safety and product reliability. Select the proper size suspension bolts or anchoring devices (field supplied) to support twice the weight of the unit. -
Page 14: Outdoor Unit Installation
OUTDOOR UNIT INSTALLATION W RNING The unit should be located with the unit support feet firmly on the equipment pad. If the outdoor unit is exposed to wind, it must be properly secured. 18K-36K 42K-48K OUTDOOR UNIT DIMENSIONS in (mm) Model 37-5/8 15-5/8... - Page 15 OUTDOOR UNIT INSTALLATION Condensate Drainage of the Outdoor Unit The outdoor unit should be installed with a drain pipe to drain condensate water during the heating mode. 1. Insert the drain joint (included) into the selected hole located on the bottom of the base pan and then connect the drain hose (field supplied) to the drain joint.
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Page 16: Piping Installation
PIPING INSTALLATION Refrigerant Piping Drill Hole in Wall Indoor Outdoor 1. Locate and mark proper location for the wall hole. Wall Hole Sleeve 2. Cut the 2 3/4” wall hole with a 5° to 10° Seal Hole downward slant to the outdoors. 3. - Page 17 PIPING INSTALLATION Indoor Unit Pipe Connections 1. Feed refrigerant pipes, drain hose and interconnecting wires assembly through wall hole from outdoor to the indoor unit. 2. Pull the piping assembly to the unit. Carefully bend refrigerant pipes to meet indoor unit connection ports.
- Page 18 PIPING INSTALLATION Outdoor Unit Pipe Connections 1. Remove service valve cover (if provided) to access the service valves and refrigerant ports. Service Service Valve Cover 2. Carefully bend and adjust length of refrigerant pipes Valve Cover to meet outdoor unit service valve connections Gas pipe with proper tools to avoid kinks.
- Page 19 PIPING INSTALLATION Indoor Condensate Drain Piping W RNING Observe all local sanitary codes when installing condensate drains. See Table below for Condensate Drainage port size. Drain Connection Size (OD) Capacity Size (BtuH) 18,000 1-1/8 (30) 24,000-48,000 3/4 (20) Pitch the condensate drain pipe at a gradual 2.5% pitch (Example: ¼-in drop over a 10-in length) without obstructions.
- Page 20 PIPING INSTALLATION Vertical Lift Drainage System (Internal Condensate Pump) If a gradual pitch from the drainage port is not obtainable,the indoor unit has a lift condensate drain pump * with limited head or lift.The condensate drain pipe may have a vertical height of 33 in.
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Page 21: Ductwork Installation
DUCTWORK INSTALLATION Design and Layout of Ductwork The ductwork configuration should be based on the conditions of the building and maintenance etc., as shown below. Indoor Fan Performance... - Page 22 21mm(7/8inch) Side View Supply Air Outlet Return Air Intlet SUPPLY AIR OUTLET/RETURN AIR INLET DIMENSIONS in (mm) Supply Air Outlet Return Air Inlet Model UMAT18HP230V1AD 4-7/8 (123) 29 (736) 28 (710) 6-1/2 (166) UMAT24HP230V1AD 6-1/4 (158) 32-1/4 (818) 39-1/8 (994)
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Page 23: Ductwork Installation
DUCTWORK INSTALLATION Bottom Return Air Installation (18,000 BtuH Only) The 18,000 BtuH size duct can be converted from a rear to bottom side return. More noise is produced with the bottom return air location than the rear return air, so it is suggested to provide a duct silencer to minimize the noise.The default location of the return air connection is at the rear. -
Page 24: Power And Wiring Installation
POWER AND WIRING INSTALLATION W RNING 1. Before obtaining access to terminals, all electrical supply circuits must be disconnected. 2. Always use an independent circuit and provide an independent circuit breaker to supply power to the system. 3. Use a circuit breaker with adequate capacity to meet the requirements of the total system. 4. - Page 25 POWER AND WIRING INSTALLATION Electric Wiring Between Indoor Unit and Outdoor Unit Typical Wiring Diagram Wired Controller X1 X1 X X 2 2 H1 H1 Single-phase units H2 H2 (18K~48K) Outdoor Air Damper Power: Power: Indoor Unit Electrical Wiring Locate and remove the electrical box cover to access wire terminals. Indoor Communication Wiring The recommended communication cable size is a minimum 18/2 AWG stranded bare copper conductors THHN 600V unshielded wire.
- Page 26 POWER AND WIRING INSTALLATION Outdoor Air Damper Wiring (optional) Follow the manufacturer’s instructions for installing and wiring the outdoor air damper. On the indoor unit, locate wire terminals F, C, O for outdoor air damper. Make necessary connections to F (Common), C (Close) and O (Open) terminals. Secure electrical wires inside wire clamp/strain relief.
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Page 27: Controller Installation And Setup
CONTROLLER INSTALLATION AND SETUP The following is a brief overview of the Wired Tether Controller installation. See Owner's Manual for more detailed instructions for setup and operation. Preparation for Installation Select a proper location on the wall for mounting the Tether Controller. Install switch box, if required by code.The maximum wire length between indoor and Tether Controller is 30-ft. -
Page 28: Controller Installation And Setup
CONTROLLER INSTALLATION AND SETUP Unit Control Indicators The Slim Duct unit has a basic user interface panel and display. It operates in conjunction with the Tether controller. There are two buttons on the panel. A"Cool" button which will force the unit into Cool Mode with a 79°... -
Page 29: Testing And Inspection
TESTING AND INSPECTION Pipe Testing Gauge manifold Pressure gauge (low-pressure) Pressure gauge (hi-pressure) Switch (low-pressure) Switch (hi-pressure) Connection pipe (to indoor unit) Connection pipe Liquid valve Gas valve Service pipe Hose Service port Hose Hose with the valve pin Vacuum pump Leak Test Refrigerant lines should be pressurized prior to evacuating system to check for leaks. - Page 30 TESTING AND INSPECTION Vacuum Procedure Important: Use a quality Micron Gauge to measure and validate the proper system vacuum level achieved. Do not rely on the scale of a“bourbon tube”type gauge set to validate the depth and quality of the vacuum. 1.
- Page 31 TESTING AND INSPECTION Start-up Checklist Turn on main power to indoor and outdoor units. • Verify the system is not displaying an error code on the indoor unit or Tether Controller display. Press the ON button on the Tether Controller. •...
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Page 32: Troubleshooting
TROUBLESHOOTING PROBLEM CAUSE/SOLUTION System does not restart. Cause: The system has a built-in three-minute delay to prevent short and/or rapid cycling of the compressor. Solution: Wait three minutes for the protection delay to expire. Indoor unit emits unpleasant odor Cause: Typically unpleasant odors are the result of mold or mildew forming on when started the coil surfaces or the air filter. - Page 33 TROUBLESHOOTING PROBLEM CAUSE/SOLUTION Water leakage from the Cause: It is normal for the outdoor unit to generate condensate water in the outdoor unit. reverse cycle heating and defrost mode. Solution: This is normal. No action is required. Cause: While it is normal for the system to generate condensate water in cooling Water leaking from the indoor mode, it is designed to drain this water via a condensate drain system to a safe location.
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Page 34: Diagnostic Codes
DIAGNOSTIC CODES The U-Match System has on board diagnostics.The indoor unit and Tether Controller will display error codes.The following is a summary of the codes with explanation: Error Codes Error Malfunction Origin of Description Code Name Malfunction If outdoor unit detects the high pressure switch is cut off for 3-sec successively, high pressure protection will occur.All the loads (except the 4-way valve in heating mode) will be switched off. -
Page 35: Error Codes
DIAGNOSTIC CODES Error Codes Error Malfunction Origin of Description Code Name Malfunction If the indoor unit does not receive signal from indoor fan motor for 30-sec successively when the fan motor is operating, indoor Indoor fan motor malfunction will be reported. In this case, the unit can Fan Motor automatically resume operation after stopping. - Page 36 DIAGNOSTIC CODES Error Codes Error Malfunction Origin of Description Code Name Malfunction Outdoor If outdoor unit detects the outdoor ambient temperature sensor Outdoor Ambient open circuit or short circuit for 5-sec successively, outdoor ambient Ambient Temperature temperature sensor malfunction will be reported.The unit can Temperature Sensor automatically resume operation after the malfunction disappears.
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Page 37: Diagnostic Codes
DIAGNOSTIC CODES Error Codes Error Malfunction Origin of Description Code Name Malfunction If outdoor unit does not receive feedback signal from outdoor fan Outdoor motor for 30-sec successively when the fan motor is operating, an Outdoor Fan Motor outdoor fan motor malfunction will be reported. In this case, the unit Fan Motor Malfunction can automatically resume operation after stopping. -
Page 38: Care And Cleaning
CARE AND CLEANING Routine Maintenance NOTE: Filters should be installed before operating the air conditioner, otherwise dirt or dust could enter the unit. Do not remove the air filter except for cleaning. Cleaning The air filter should be cleaned every 90 days. Cleaning frequency should be increased if the unit is installed in a room where there is an abnormal amount of dirt and dust. - Page 39 UNIT INFORMATION Outdoor Unit: Model No. Serial No. Indoor Unit: Model No. Serial No. INSTALLATION INFORMATION Date Installed: DEALERSHIP/INSTALLER INFORMATION Company Name: Address: Phone Number: Technician Name: Gree Electric Appliances, Inc ©2017 CAT NO: GREE_U-MATCH_SLIM DUCT_INSTALL_120117...
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Questions and answers
where is the air filter located on unit
The air filter on the Gree UMAT18HP230V1AD unit is located at the return air inlet.
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