Related Manuals for Trane 4MXC8512B10N0
Summary of Contents for Trane 4MXC8512B10N0
- Page 1 Installer’s Manual Split System (R-410A) Air Handler for Multi-Split Inverter System 12,000 Btu/h to 24,000 Btu/h Cassette Type Models: 4MXC8512B10N0 4MXC8518B10N0 4MXC8524B10N0 May 2021 MS-SVN36D-EN...
- 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 Pre-Installation Checklist ......................6 Cassette Components ....................... 7 Clearance Requirements ......................7 Refrigerant Piping Requirements ....................8 Installation Location ........................9 Installing the Indoor Unit ......................10 Mounting Location ........................10 Dimension of Ceiling Opening and Location of the Expansion Bolts ........11 Hoisting the Main Body of the Unit .................. -
Page 5: Safety Precautions
Cassette 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: Pre-Installation Checklist
Cassette Unit 12. 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 injury. -
Page 7: Cassette Components
Cassette Unit Cassette Components Internal condensate pump Drainage hose Guide louver (placed in air outlet vent) Air outlet vent Connecting pipe Air filter (in air inlet grille) Air inlet grille Clearance Requirements Wall surface Wall Wall surface surface >1500 mm >59 inch >1500 mm >59 inch... -
Page 8: Refrigerant Piping Requirements
Cassette Unit Refrigerant Piping Precautions WARNING Hazard of Explosion and Deadly Gases! Failure to follow all proper safe refrigerant handling practices could result in death or serious injury. Never solder, braze or weld on refrigerant lines or any unit components that are above atmospheric pressure or where refrigerant may be present. -
Page 9: Installation Location
Cassette Unit Installation Location Indoor Unit WARNING Adequate Support Required! The wall/ceiling structure must be adequate to support 4 times 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. 1. -
Page 10: Installing The Indoor Unit
Cassette 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 11: Dimension Of Ceiling Opening And Location Of The Expansion Bolts
Cassette 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 12: Hoisting The Main Body Of The Unit
Cassette Unit Hoisting the Main Body of the Unit 1. Use a hoisting stand to aid in lifting and securing the unit. 2. To attach the hoisting stand, use a nut and gasket at the upper and lower section of the hoisting stand to secure it. -
Page 13: Installation Of The Condensate Pipe
Cassette Unit Installation of the Condensate Pipe Design of the Condensate Pipe 1. The drain pipe should maintain a downward slope of 1/50 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 14: Precautions For The Drain Pipe
Cassette Unit Precautions for the Drain Pipe The installed height of the lift pipe should be less than 11 inches (280mm). It is recommended to set an inclination angle of 1~2° for the lift pipe toward the drainage direction. If the lift pipe and the unit form a right angle, the lift pipe must be less than 11.8 inches (300mm) from the unit. -
Page 15: Test The Drainage System
Cassette Unit NOTES: 1. The connection height of the drain hose should be within 3 inches (7.5mm) 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. Drain hose(attachment) Above 3.9in(100mm) T-tie in joined drain hose... -
Page 16: Connecting The Pipe At The Indoor Unit
Cassette Unit Connecting the Pipe at the Indoor Unit Remove 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 17: Installation Of The Refrigerant Piping
Cassette Unit Size of Fitting Pipe Max. Height Difference Drainage pipe Item Max. Pipe Inch (mm) between Indoor Unit (Outer Diameter Length and Outdoor unit x wall thickness) Model ft (m) Liquid ft (m) Inch (mm) 65-5/8 49-1/4 (9.53) (20) (15) (6.35) 65-5/8... -
Page 18: Bending Pipes
Cassette Unit Bending Pipes 1. The pipes should be shaped by your hands or a refrigerant pipe bending tool for tighter bends. Be careful not to collapse them. 2. Do not bend the pipes in an angle more than 90° 3. -
Page 19: Insulation Of The Pipe Joints
Cassette 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 20 Cassette Unit To indoor unit Power supply 3 way terminal board To outdoor unit Impact fastener Electrical hole Electrical box cover (2) Seal here to prevent Electrical hole water leakage Electrical box cover (1) Example: Wiring Connection for 4TXM6542A1050 NOTE: The wiring diagrams in this guide are included as a reference.
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Page 21: Stranded Wiring
Cassette Unit Stranded Wiring 1. Cut the wire end with a wire cutter or wire cutting pliers, then strip the insulation about 3/8" (10mm). 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
Cassette Unit Electrical 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
Cassette 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: Install The Panel
Cassette Unit Install the Panel Sealing material Indoor unit Ceiling 0.2in(5mm) to 0.3in(8mm) Air outlet vent Decorative panel 1. Remove the filter access panel to access the fasteners. 2. Tighten the 4 fasteners under the return grille to secure the panel to the cassette body. 3. - Page 25 Cassette Unit Connect the wire connectors for the louver motor wire (at 2 places) installed on the panel. At body At panel At body At panel...
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Page 26: Installation Checklist
Cassette 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 completed? Unresolved leaks may cause insufficient cooling or heating and low pressure errors. - Page 27 Cassette Unit Cassette Indoor Unit 12K-18K Cassette Indoor Unit 24K 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. Always check the unit nameplate and wiring diagram for the actual unit requirements.
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Page 28: Indoor Unit Dimensions
Cassette Unit Indoor Unit Dimensions 4MXC8512B, 4MXC8518B and 4MXC8524B For the units: 12-18k For the units: 24k Unit: Inch (mm) Item Model 19-1/2 5-11/16 9-7/16 22-7/16 22-7/16 26-3/8 26-1/4 23-5/8 (145) (240) (670) (600) (495) (570) (570) (666) 37-3/8 30-11/16 5-11/16 9-7/16 26-3/4... -
Page 29: Error Codes
Cassette Unit Error Codes The meaning of error codes as shown below: Number Error Code Error Compressor high pressure protection Indoor anti-freeze protection Compressor low pressure protection, refrigerant lack protection and refrigerant colleting mode Compressor high discharge temperature protection AC over-current protection Communication error Mode conflict Anti-high temperature protection... - Page 30 Cassette Unit Instructions to the Error Indicating Lamps on the Panel of the Cassette Type Unit: Receiver "88" Display "Auto" Button Power Timer "Test" Button Indicating Lamp Indicating Lamp • Power and ON/OFF Indicating Lamp: It goes red when the unit is powered on while it goes white when the unit is started. •...
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Page 31: Troubleshooting
Cassette Unit Troubleshooting CAUTION 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 32: General Maintenance
Cassette Unit General Maintenance Regular checks, maintenance and care should be performed by professional personnel, which will prolong the unit life span. Filter Care Regular filter cleanings are essential for efficient operation and extending the unit life. Clean the unit filter every 30-90 days as needed. When the unit is in a dusty environment, the unit may require more frequent cleaning. -
Page 33: Cleaning The Air Inlet Grille
Cassette Unit Cleaning the Air Inlet Grille 1. Open the air inlet grille. Pull the 2 handles on the grille at the same time in the direction shown below. Pull the filter assembly down slowly. 2. Remove the air filter and air purifiers from the grille. 3. -
Page 34: Check Before Seasonal Use
In the event you have problems with the unit or require service, please contact your local installing/servicing dealer. About Trane and American Standard Heating and Air Conditioning Trane and American Standard create comfortable, energy efficient indoor environments for residential applications. For more information, please visit www.trane.com or www.americanstandardair.com CONFORMSTO ULSTD.1995...
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