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Summary of Contents for Gree UMAT18HP230V1AF
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Page 1: Installation Manual
FLOOR/CEILING INSTALLATION MANUAL Models: Indoor Unit Outdoor Unit UMAT18HP230V1AF UMAT18HP230V1AO UMAT24HP230V1AF UMAT24HP230V1AO UMAT30HP230V1AF UMAT30HP230V1AO UMAT36HP230V1AF UMAT36HP230V1AO UMAT42HP230V1AF UMAT42HP230V1AO UMAT48HP230V1AF UMAT48HP230V1AO... -
Page 2: Table Of Contents
Thank you for choosing a Universal Floor/Ceiling Unit for your customer. Please read this installation manual carefully before installing and starting up the Universal Floor/Ceiling Ductless 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. -
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 C 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 Air Outlet Indoor Unit Air inlet Power Supply Part Name 1. Front Cabinet 2. Air Inlet 3. Wired Controller 4. Remote Controller 5. Drain Pipe 6. Gas Pipe 7. Liquid Pipe 8. Service Cover 9. Front Panel Air inlet Outdoor Unit Air outlet C UTION... -
Page 8: Standard Parts
STANDARD PARTS Indoor Unit Accessories Name Appearance Usage Nut with Washer Secures the hook on the cabinet of the unit Remote Controller Controls the indoor unit and Battery Cable Clamp Fastens the insulation blanket Pipe Insulation Insulates the gas pipe Pipe Insulation Insulates the liquid pipe Template... -
Page 9: Installation Site Instructions
INSTALLATION SITE INSTRUCTIONS Indoor Unit W RNING The unit must be installed in a location which can withstand four times the weight of the unit. Inadequate support may result in serious property damage and injuries. Select a site that allows for the following: Ensure the installation complies with the installation minimum dimensions and meets the •... - Page 10 INSTALLATION SITE INSTRUCTIONS Outdoor Unit Select a site that allows the following: 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 pipe length indicated in the table.The maximum length of the connection pipe is listed in the System Requirements section.
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Page 11: Indoor Unit Installation
INDOOR UNIT INSTALLATION Indoor Unit Dimensions INDOOR UNIT DIMENSIONS Inches (mm) Model Weight (lbs) UMAT18HP230V1AF 8 7/8 45 5/8 27 1/2 (1220) (225) (1158) (280) (700) UMAT24HP230V1AF UMAT30HP230V1AF 55 7/8 9 5/8 53 1/4 27 1/2 UMAT36HP230V1AF (1420) (245) (1354) - Page 12 INDOOR UNIT INSTALLATION Laying Out Indoor Location The Universal Floor/Ceiling units allow for wall or ceiling mounting. Follow the instructions for the desire type of installation. Wall Mounting Installation 1. Determine the mounting location on the wall for the indoor unit.
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Page 13: Indoor Unit Installation
INDOOR UNIT INSTALLATION Ceiling Mounting Installation 1. Determine the mounting location on the ceiling for the indoor unit. Follow the selection criteria in the previous section. 2. Locate the factory supplied installation template included in carton and attach to the ceiling. 3. -
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. OUTDOOR UNIT DIMENSIONS in (mm) Model 37-5/8 15-5/8 27-1/2 14-1/8... -
Page 15: 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 16 PIPING INSTALLATION Indoor Unit Pipe Connections 1. Feed refrigerant pipes, drain hose and communication cable assembly through wall hole from outdoor to the Floor/Ceiling indoor unit. 2. Pull the piping assembly to the indoor unit. Carefully bend refrigerant pipes to meet indoor unit connection ports.
- Page 17 PIPING INSTALLATION Outdoor Unit Pipe Connections 1. Remove service valve cover (if provided) to access the service valves and refrigerant ports. Service Service 2. Carefully bend and adjust length of refrigerant pipes Valve Cover Valve Cover to meet outdoor unit service valve connections with proper tools to avoid kinks.
- Page 18 PIPING INSTALLATION Indoor Condensate Drain Piping W RNING Observe all local sanitary codes when installing condensate drains. The drain piping should be as short as possible with a constant downward slope. It is recommended to install the condensate drain system with hard polyvinyl chloride (PVC) pipe and matching connectors.
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Page 19: 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. 4. - Page 20 POWER AND WIRING INSTALLATION Electric Wiring between the Indoor and Outdoor Units Wired Controller (optional) Wired Controller (optional) Comm Wires Comm Wires Single-phase units(18K-30K) Single-phase units(36K-48K) Indoor Unit Electrical Wiring Remove the left side panel and the electric box cover, and then insert the communication wire and power wire into the terminal board.
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Page 21: Power And Wiring Installation
POWER AND WIRING INSTALLATION Tether Controller Wiring (Optional) Use a minimum 18-2 AWG wire (field supplied) to connect Tether Controller to the indoor unit. Route wire from Tether Controller into electrical box. Locate wire terminals H1 and H2. Connect Tether Controller wires to H1 and H2. Verify wires are secure, not loose and no external force on wires affects the connections at the terminals. -
Page 22: 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 Low pressure gauge Liquid valve High pressure gauge Gauge manifold kit Gas valve Service pipe VAC valve Hose Service port Hose... - Page 23 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 24 TESTING AND INSPECTION Overview of Display Panel 1. Power Indicator: Power indicator will be on after electrical power is turned on, while it will be off after disconnecting power. 2. COOL Indicator: COOL indicator will be on after COOL mode is activated while it will be off after COOL mode is turned off.
- Page 25 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 display. Point the Remote Controller at the Floor/Ceiling unit and Press the On button. •...
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Page 26: 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 27: Troubleshooting
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. -
Page 28: 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 29: Error Codes
DIAGNOSTIC CODES Error Codes Error Malfunction Origin of Description Code Name Malfunction If indoor unit detects the condensate overflow switch warning for Condensate 8-sec successively, the system will enter condensate overflow Overflow Overflow protection.The unit will shut off and will not recover automatically. Switch Protection Switch unit off and then switch it on to eliminate this malfunction. - Page 30 DIAGNOSTIC CODES Error Codes Error Malfunction Origin of Description Code Name Malfunction Outdoor If the memory chip of outdoor drive circuit board fails, the unit will Drive not start.The unit will not recover automatically. If thermo junction Outdoor Drive Memory Chip Board cannot be eliminated after switching off the unit and then energizing Malfunction...
- Page 31 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 ©2015 Cat No: 00000000 Version 0.0...
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