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Related Manuals for Trane American Standard 4MXD8509A10N0
Summary of Contents for Trane American Standard 4MXD8509A10N0
- Page 2 Warnings and Cautions Warnings and Cautions. Warnings are provided to alert installing contractors to potential hazards that could result in personal injury or death, while cautions are designed to alert personnel to conditions that could result in equipment damage. Your personal safety and the proper operation of this machine depend upon the strict observance of these precautions.
- Page 3 Warnings and Cautions WARNING R-410A Refrigerant under Higher Pressure than R-22! The units described in this manual uses R410-A refrigerant which operates at 50 to 70% higher pressures than R-22. Use only R-410A approved service equipment. Refrigerant cylinders are painted with "pink" color to indicate the type of refrigerant and may contain a "dip"...
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Page 4: Table Of Contents
Contents Safety Precautions ........................5 Operating and Working Temperature Ranges ................6 Clearance Requirements ......................7 Installation Location ........................8 Installing the Indoor Unit ......................9 Levelling the Indoor Unit ......................10 Installation with Air Supply Connections .................. 10 Dimensions of the Air Supply Outlet and Return Air Outlet ............. 12 Installation of the Return Air Connection ................. -
Page 5: Safety Precautions
Ceiling Concealed Unit Safety Precautions Warnings, Cautions and Notices: Warnings, cautions and notices appear at appropriate intervals throughout this manual. Warnings are provided to alert installing contractors to potential hazards that could result in serious injury or death. Cautions are designed to alert personnel to conditions that could result in minor to moderate injury. -
Page 6: Operating And Working Temperature Ranges
Ceiling Concealed Unit 13. During pump-down, stop the compressor before removing the refrigerant piping. If the compressor is still running and the stop valve is open during pump-down, air will be sucked in when the refrigerant piping is removed, causing abnormal pressure in the refrigerant cycle which could lead to breakage and even injury. -
Page 7: Clearance Requirements
Ceiling Concealed Unit Clearance Requirements Indoor Ceiling Concealed Unit Air inlet 5.9” (150 mm) inspection 23.6” (600mm) opening 23.6” (600mm) Air outle NOTE: Be sure to place an inspection/service opening at the position indicated in the diagram above for maintenance of the equipment. Nut with washer Spring... -
Page 8: Installation Location
Ceiling Concealed Unit Installation Location Indoor Unit WARNING 1. Adequate Support Required! 2. The wall/ceiling structure must be adequate to support the weight of the unit. Failure to ensure adequate structural support could result in the unit falling from its location which could result in death, serious injury, or equipment or property-only damage. -
Page 9: Installing The Indoor Unit
Ceiling Concealed Unit Installing the Indoor Unit WARNING Hazardous Service Procedures! The maintenance and troubleshooting procedures recommended in this section of the manual could result in exposure to electrical, mechanical or other potential safety hazards. Always refer to the safety warnings provided throughout this manual concerning these procedures. -
Page 10: Levelling The Indoor Unit
Ceiling Concealed Unit • If there is an opening in the ceiling, it should be reinforced to keep it flat and prevent vibration. • If the support structure of the ceiling is not strong enough, a beam made of angle iron can be used to mount the unit to for added support. - Page 11 Ceiling Concealed Unit Installation with Round Connections Name Name Return Air Connection Air Supply Outlet Flexible Connection Transition Connection Return Air Louver Air Supply Connection Hanger Diffuser • Pre-install the outlet of the round duct on the transition connection and tighten it with a tapping screw.
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Page 12: Dimensions Of The Air Supply Outlet And Return Air Outlet
Ceiling Concealed Unit Dimensions of the Air Supply Outlet and Return Air Inlet Air Supply Outlet Return Air Inlet Unit: Inch (mm) Air Supply Outlet Return Air Inlet Models 4MXD8509A 26.1 22.8 (156) (662) (580) (162) 4MXD8512A 33.9 30.7 4MXD8518A (156) (862) (780) -
Page 13: Parts And Components Of The Return Air Connection
Ceiling Concealed Unit Parts and Components of the Return Air Connection Air supply Air supply Return air Return air Install the return air pipe (a) Install the return air pipe(b) Name Name Return Air Louver (with Filter Screen) Indoor Unit Flexible Connection Air Supply Connection Return Air Connection... -
Page 14: Insulation Of The Drain Pipe
Ceiling Concealed Unit Design of the Drain Pipe 1. The drain pipe should always keep a downward sloping angle of 5~10° to avoid water accumulation or improper drainage which could lead to equipment and/or property damage. 2. When connecting the drain pipe to the unit, avoid excessive force on the connection. The pipe should be as close to the unit as possible. -
Page 15: Precautions For The Drain Pipe
Ceiling Concealed Unit 5. Insert the drain hose into the drain hole and tighten it with clamps. 6. Insert the drain pipe into the opposite end of the drain hose and clamp securely. Do not use adhesive at this joint 7. -
Page 16: Test The Drainage System
Ceiling Concealed Unit NOTES: 1. The connection height of the drain hose should be within 33.5 inches (850mm) so that the outlet of the drain hose does not suffer from external force. 2. If multiple drain pipes converge, please follow the installation diagrams below. - Joint of drain pipe The specification of the joint of the drain pipe should be suitable to the running capacity of the unit Drain Hose (accessory) -
Page 17: Connecting The Pipe At The Indoor Unit
Ceiling Concealed Unit Connecting the Pipe at the Indoor Unit Detach the caps and plugs from the pipes. NOTICE 1. Be sure to connect the pipe to the port on the indoor unit correctly. If the centering is improper, the flare nut cannot be tightened smoothly. If the flare nut is forced to turn, the threads will be damaged. -
Page 18: Installation Of The Connection Pipe
Ceiling Concealed Unit CAUTION 1. During the connection of the indoor unit and the refrigerant pipe, never pull any joints of the indoor unit by force: otherwise the capillary pipe or other pipe may crack, which would then result in leakage. 2. -
Page 19: Connecting The Pipe At The Outdoor Units
Ceiling Concealed Unit 4. Do not bend the pipe while it is encased in the insulation. In this case cut the insulation with a sharp cutter as shown below, and bend it after exposing the pipe. After bending the pipe as you want, be sure to put the insulation back on the pipe, and secure it with tape. -
Page 20: Insulation Of The Pipe Joints
Ceiling Concealed Unit Insulation of the Pipe Joints 1. The refrigerant pipe should be insulated with appropriate insulating material and plastic tape in order to prevent condensation and water leakage. 2. The joints of the indoor unit should be wrapped with insulating material. No gap is allowed on the joint of the indoor unit, as shown below. -
Page 21: Stranded Wiring
Ceiling Concealed Unit Strand Wiring 1. Cut the wire end with a wire cutter or wire cutting pliers, then strip the insulation about 10mm (3/8") 2. Using a screwdriver, remove the terminal screw(s) on the terminal board. 3. Using a round terminal fastener or pliers, securely clamp a round terminal to each stripped wire end. -
Page 22: Electrical Wiring
Ceiling Concealed Unit Electric Wiring Wiring Precautions WARNING 1. Before obtaining access to terminals, all supply circuits must be disconnected. 2. Improperly installed and grounded field wiring poses fire and electrocution hazards. For high voltage connections, flexible electrical conduit is recommended whenever vibration transmission may create a noise problem within the structure. -
Page 23: Grounding Requirements
Ceiling Concealed Unit CAUTION Improper operation may lead to personal injury or property damage. 1. The fuse is located on the main board. 2. Install a separate disconnect at the outdoor unit. The power supply, wiring and grounding of equipment must comply with National, State and/or Local Codes. The power supply must agree with the equipment nameplate. -
Page 24: Installation Checklist
Ceiling Concealed Unit Installation Checklist Check the following points before testing the unit: Item to be checked Possible problem Have the indoor and outdoor units been The units may fall, vibrate or make noise. securely installed? Has the refrigerant leak test been Unresolved leaks may cause insufficient completed? cooling or heating. -
Page 25: Wiring Diagrams
Ceiling Concealed Unit Wiring Diagrams Color Key Symbol Symbol Color Symbol Symbol Color Symbol Name White Green COMP Compressor o l l Blue YE/GN Yellow/Green Black Violet Orange Ceiling Concealed Indoor Unit NOTE: The wiring diagrams in this guide are included as a reference. The manufacturer has a policy of continuous product and product data improvement and reserves the right to change design and specifications without notice. -
Page 26: Indoor Unit Dimensions
Ceiling Concealed Unit Indoor Unit Dimensions Electric Box Liquid Pipe Gas Pipe Backward Return Air Drain Pipe Downward Return Air Unit Dimensions - In. (mm) MODEL 4MXD8509A (742) (491) (662) (620) (700) (615) (782) (156) (200) (635) 4MXD8512A 4MXD8518A (942) (491) (862) (820) -
Page 27: Troubleshooting
Ceiling Concealed Unit Troubleshooting WARNING Improper operation may lead to personal injury or casualty. • Turn off the main power switch immediately if a malfunction is detected. Contact your servicing or installing dealer. If the unit continues to run during a malfunction, the unit may be damaged or electric shock or fire may occur. -
Page 28: General Maintenance
Ceiling Concealed Unit General Maintenance Regular checks, maintenance and care should be performed by professional personnel, which will prolong the unit life span. Filter Change Regular filter changes are essential for efficient operation and extending the unit life. Change the unit filter every 30-90 days as needed. Refer to the suggestions on the type of filter selected.