TCL H24TDH17XAC Installation Manual

Variable speed top discharge heat pump condensing unit (r454b)

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J0101-110245

ECN100005608

2024.11.14

说明书(户式机外机)

潘豪

2024.09.28

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Page 1 J0101-110245 ECN100005608 2024.11.14 说明书(户式机外机) 潘豪 2024.09.28...
Page 2 Installation Manual Variable Speed Top Discharge Heat Pump Condensing Unit (R454B) Read and save these instruction before use H24TDH17XAC H36TDH18XAC H48TDH18XAC H60TDH16XAC Installation must be performed in accordance with the requirements of NEC and CEC by authorized personne only. All phases of this installation must comply with National, State and Local Codes.
Page 4: Table Of Contents
CONTENTS 1. INSTRUCTION FOR SERVICING (R454B) ........2. INSTALLATION PRECAUTIONS (R454B) ......... 3. SAFETY PRECAUTIONS .............. 4. UNIT LOCATION CONSIDERATIONS ........5. REFRIGERANT LINE CONSIDERATIONS ......6. REFRIGERANT LINE ROUTING ..........7. REFRIGERANT LINE BRAZING ..........8. SYSTEM LEAK CHECK .............. 9.
Page 5: Instruction For Servicing (R454B)
1. INSTRUCTION FOR SERVICING (R454B) 1. Check the information in this manual to find out the dimensions of space needed for proper installation of the device, including the minimum distances allowed compared to adjacent structures. 2. Appliance shall be installed, operated and stored in a room with a floor area larger than 4m . 3.
Page 6 1. INSTRUCTION FOR SERVICING (R454B) 16. Information on servicing: 1) Checks to the area Prior to beginning work on systems containing flammable refrigerants, safety checks are necessary to ensure that the risk of ignition is minimized. For repair to the refrigerating system, the following precautions shall be complied with prior to conducting work on the system.
Page 7 1. INSTRUCTION FOR SERVICING (R454B) 9) Checks to electrical devices Repair and maintenance to electrical components shall include initial safety checks and component inspection procedures. If a fault exists that could compromise safety , then no electrical supply shall be connected to the circuit until it is satisfactorily dealt with.
Page 8: Position The Unit
1. INSTRUCTION FOR SERVICING (R454B) 21. Leak detection methods The following leak detection methods are deemed acceptable for systems containing flammable refrigerants. Electronic leak detectors shall be used to detect flammable refrigerants, but the sensitivity may not be adequate, or may need recalibration. (Detection equipment shall be calibrated in a refrigerant-free area.) Ensure that the detector is not a potential source of ignition and is suitable for the refrigerant used.
Page 9 1. INSTRUCTION FOR SERVICING (R454B) . the recovery process is supervised at all times by a competent person; . recovery equipment and cylinders conform to the appropriate standards. d) Pump down refrigerant system,if possible. e) If a vacuum is not possible,make a manifold so that refrigerant can be removed from various parts of the system.
Page 10: Installation Precautions (R454B)
2. INSTALLATION PRECAUTIONS (R454B) Important Considerations 1. The air conditioner must be installed by professional personnel and the Installation manual is used only for the professional installation personnel! The installation specifications should be subject to our after-sale service regulations. 2. When filling the combustible refrigerant, any of your rude operations may cause serious injury or injuries to human body and objects.
Page 11 2. INSTALLATION PRECAUTIONS (R454B) For determination of room area (A) when used to calculate the refrigerant charge limit, the following shall apply. The room area (A) shall be defined as the room area enclosed by the projection to the base of the walls, partitions and doors of the space in which the appliance is installed.
Page 12 2. INSTALLATION PRECAUTIONS (R454B) ≥25/32 ≥50% of Anvmin ≥59 Anvmin ≥25/32 ≥50% of Anvmin ≤11-13/16 ≤7-7/8 ≤3-15/16 Fig.2-1 Opening Conditions for Connected Rooms The minimum opening area for connected rooms Table 2-1 Mc(□lbs□oz) Mmax(□lbs□oz) A(ft2) Anvmin(ft2) Note: Take the Mc=17 lbs 3 oz as an example. For appliances serving one or more rooms with an air duct system, The room area calculation shall be determined based on the total area of the conditioned space(TA) connected by ducts taking into consideration that the circulating airflow distributed to all the rooms by the appliance integral indoor fan will mix and dilute the leaking...
Page 13 2. INSTALLATION PRECAUTIONS (R454B) The allowable maximum refrigerant charge Table 2-2 Mmax(□lbs□oz) Mmax(□lbs□oz) A/TA(ft2) A/TA(ft2) The required minimum room area Table 2-3 Mc(□lbs□oz) Mc(□lbs□oz) Amin/Tamin(ft2) Amin/Tamin(ft2) 66.1 165.3 72.7 171.9 79.3 178.5 86.0 185.1 92.6 191.7 99.2 198.4 105.8 205.0 112.4 211.6 119.0...
Page 14 2. INSTALLATION PRECAUTIONS (R454B) The minimum circulation airflow Table 2-4 Mc(□lbs□oz) Mc(□lbs□oz) Qmin(CFM) Qmin(CFM) CAUTION: The allowable maximum refrigerant charge of the Table 2-2 or the required minimum room area of the Table 2-3 is availlable only if the following conditions are met: Minimum velocity of 3.28ft/s, which is calculated as the indoor unit airflow divided by the nominal face area of the outlet.
Page 15 2. INSTALLATION PRECAUTIONS (R454B) 3. Installation Safety · Refrigerant Leak Detector · Appropriate Installation Location The left picture is the schematic diagram of a refrigerant leak detector. Please note that: 1. The installation site should be well-ventilated. 2. The sites for installing and maintaining an air conditioner using Refrigerant R454B should be free from open fire or welding, smoking, drying oven or any other heat source higher than 548 which easily produces open fire.
Page 16: Safety Precautions
3. SAFETY PRECAUTIONS SAFETY RULES AND RECOMMENDATIONS FOR THE INSTALLER ead this guide before installing and using the appliance. uring the installation of the indoor and outdoor units, access to the working area should be forbidden to children. Unforeseeable accidents could happen. ake sure that the base of the outdoor unit is ﬁrmly ﬁxed.
Page 17 3. SAFETY PRECAUTIONS ever remain directly exposed to the ﬂow of cold air for a long time. The direct and prolonged exposition to cold air could be dangerous for your health. Particular care should be taken in the rooms where there are children, old or sick people. f the appliance gives oﬀ...
Page 18 3. SAFETY PRECAUTIONS SAFETY RULES AND RECOMMENDATIONS FOR THE INSTALLER o not bend, tug or compress the power cord since this could damage it. Electrical shocks or fire are probably due to a damaged power cord. Specialized technical personnel only is recommended to replace a damaged power cord.
Page 19: Unit Location Considerations
When mounting the condensing unit on a roof or pad, be sure its dimension no less than 29" x 29". Table 4-1 Condensing unit dimensions Unit Dimensions Model H×W×D(Inches) H24TDH17XAC 24-15/16×29-1/8×29-1/8 H36TDH18XAC 24-15/16×29-1/8×29-1/8 Fig 4-2 External dimensions H48TDH18XAC 33-3/16×29-1/8×29-1/8 H60TDH16XAC 33-3/16×29-1/8×29-1/8...
Page 20: Location Restrictions
4. UNIT LOCATION CONSIDERATIONS 4.3 Location Restrictions Exposure to a corrosive environment may shorten the life of the equipment, corrode metal parts, and/or negatively affect unit performance. Corrosive elements include, but not limited to: sodium chloride, sodium hydroxide, sodium sulfate, and other compounds commonly found in ocean water, sulfur, chlorine, fluorine, fertilizers, and various chemical contaminants from industry/manufacturing plants.
Page 21 4. UNIT LOCATION CONSIDERATIONS Min. 12" Snow Cold Climate Considerations barrier Precautions must be taken for units being installed in areas where snow accumulation and prolonged Risers below-freezing temperatures occur. Elevate unit per local climate and code requirements. 3-12'' elevation This additional height will allow drainage of snow and ice melted during defrost cycle to flow out smoothly Fig 4-5 Consideration to prevent refreezing...
Page 22: Refrigerant Line Considerations
Table 5-1 Line sizes and maximum length Total Equivalent Length (ft) Liquid Line Suction Line Capacity Model Dimensions in inches Maximum Elevation Difference(ft) 3/8 Std. 3/4 Std. H24TDH17XAC 3/8 Std. 3/4 Std. H36TDH18XAC 3/8 Std. 7/8 Std. H48TDH18XAC 3/8 Std. 7/8 Std. H60TDH16XAC Std.: Standard line size.
Page 23 5. REFRIGERANT LINE CONSIDERATION Refrigerant Charge ①=precharged part(See the nameplate above) ②=added during installation(See the manual) ①+②= Total Amount Pipe Length and Additional Refrigerant Model H24TDH17XAC H36TDH18XAC H48TDH18XAC H60TDH16XAC Length of pipe with standard charge(ft) Refrigerant capacity of standard charge(lbs) 4.74 6.28...
Page 24 5. REFRIGERANT LINE CONSIDERATION 5.2 Refrigerant Line Insulation Liquid line Suction line Insulation The suction line must always be insulated. DO NOT allow the suction line and liquid line to come in direct(metal to metal)contact. Fig 5-3 Line insulation 5.3 Reuse Existing Refrigerant Lines CAUTION lf using existing refrigerant lines, make sure that all joints are brazed,not soldered.
Page 25: Refrigerant Line Routing
6. REFRIGERANT LINE ROUTING Comply with National, State, and Local Codes when isolating line sets from joists, rafters, walls, or other structural elements. Take precautions to prevent noise within the building structure due to vibration transmission from the refrigerant lines. For Example: ·...
Page 26: Refrigerant Line Brazing
7. REFRIGERANT LINE BRAZING CAUTION Do not install the connecting pipe until both indoor and outdoor units have been installed. Insulate  both the gas and liquid piping to prevent water leakage. Be extra careful not to damage, dent, or deform the pipe while cutting. This will drastically reduce the ...
Page 27 7. REFRIGERANT LINE BRAZING Handle Expander Cone Copper Pipe Clamp handle Fig 7-3 Flaring work 7.4 Check 1. Compare the flared work with figure below. 2. If flare is noted to be defective, cut off the flared section and do flaring work again. Smooth all round Inside is shiny without scratches Improper flaring...
Page 28: Pipe Connection
7. REFRIGERANT LINE BRAZING 7.5 Pipe Connection You should first connect the low-pressure pipe, then the high-pressure pipe. 1. Align the center of the two pipes that you will connect. 2. Tighten the flare nut as tightly as possible by hand. 3.
Page 29: System Leak Check
8. SYSTEM LEAK CHECK Leak check is required for the brazed line connections. 1. Pressurize the brazed refrigerant lines and indoor coil to at least150 PSIG using dry nitrogen. 2. Check for leaks by using a soapy solution or bubbles at each brazed location. Fig 8-1 Charge dry nitrogen to the system Fig 8-2 Leak check 9.
Page 30: Service Valves
10. SERVICE VALVES Leak check and evacuation must be completed before opening the service valves. The gas service valve must be opened BEFORE opening the Liquid Service Valve! 1. Remove service valve cap. 2. Fully insert hex wrench into the stem and counterclockwise until valve stem just touches the rolled edge(approximately five turns.) 3.
Page 31: Electrical - Low Voltage
11. ELECTRICAL - LOW VOLTAGE 11.1 Low Voltage Wire Requirement Define the maximum length of low voltage wiring from condensing unit to indoor unit and thermostat. Field installed electrical conduit is required at the low voltage wire entry point. Animals like frogs, snakes, spiders and others may climb into the control box resulting in the PCB damage.
Page 32 11. ELECTRICAL - LOW VOLTAGE Class 2 low voltage control wiring should not be run in conduit with main power wiring and must be separated from power wiring, unless class 1 wire of proper voltage rating is used. Low voltage control wiring should be color-coded 18 AWG. ...
Page 33: Electrical - High Voltage
12. ELECTRICAL - HIGH VOLTAGE 12.1 High Voltage Power Supply High voltage power supply During installation, testing, servicing, and trouble Variable Speed Top Discharge Heat Pump Condensing Unit (R454B) Installation Manual Read and save these instruction before use shooting of this product, it may be necessary to TCU-24HH/DV2O-C work with live electrical components.
Page 34: Start-Up
12. ELECTRICAL - HIGH VOLTAGE 12.3 High Voltage Ground Ground the condensing unit according to National, State, and Local code requirements. Fig 12-3 Unit grounding 13. START-UP 1. Set the thermostat to OFF. 2. Turn on disconnect switch to apply power to the indoor and outdoor units. 3.
Page 35: System Operation
14. SYSTEM OPERATION 14.1 Default Display LED on main control board can display the operating status of outdoor unit (ODU). DSP1-1 DSP1-2 DSP1-3 DSP1-1、DSP1-2：Normally blank, but it displays codes accordingly if there is damaged sensor and command response. See fault code Table 1 for details. DSP1-3：It displays outdoor unit's operation mode.
Page 36: Field Setting
14. SYSTEM OPERATION DSP1-3：It displays outdoor unit's operation mode. DSP1-3 code description Standby Ready Cooling Heating Oil return operation Defrosting operation Forced defrosting Forced cooling operation Forced heating operation Fault Dehumidification mode operation 14.2 Field Setting Setting by dip switches Note: The DIP switch is checked only once when the main control is powered on.After the DIP switch is powered on, it is not checked again.
Page 37 14.3 Major Components Function Liquid Service Valve Heat Exchanger Gas Service Valve (RV) pressure sensor Name Symbol Function Adjusts refrigerant flow rate by changing the speed (RPS) based onl Inverter compressor objective pressure. Outputs heat exchanger capacity by adjusting the motor rotationl speed DC motor based on operating pressure.
Page 38: Troubleshooting
15. TROUBLESHOOTING CAUTION If one of the following conditions occurs, switch off the power supply immediately and contact your dealer for further assistance:  The operation light continues to flash rapidly after the unit has been restarted.  The unit continually trips fuses or circuit breakers. ...
Page 39: Troubleshooting Advice
15.2 Troubleshooting Advice When troubles occur, please check the following points before contacting a repair company. Problem Possible Cause Solution Power failure Wait for the power to be restored The power switch is off Turn on the power The unit is not The fuse is burned out Replace the fuse working...
Page 40: Wiring Diagram
16. WIRING DIAGRAM Field wiring must comply with the National Electric Code (C.E.C. in Canada) and any applicable local ordinance. WARNING Disconnect all power to unit before installing or servicing. More than one disconnect switch may be required to de-energize the equipment. Hazardous voltage can cause severe personal injury or death. Wiring material ampacities The ampacities shown apply to appliance wiring materials with insulation rated not less than 90℃(194℉)。...
Page 41 16. WIRING DIAGRAM It is important that proper electrical power is available for connection to the unit model being installed. Refer to the unit nameplate, wiring diagram and electrical data in the installation instructions.  If required, install a branch circuit disconnect of adequate size, located within sight of, and readily accessible to the unit.
Page 42: Disposal Guideline
17. DISPOSAL GUIDELINE 1.Minimum installation height,minium room area（operating or storage) refer to installation manual. 1.La taille minimale d’installation, la surface minimale de pièce (opération ou stockage) se réfèrent au manuel d’installation. 2.Risk Of Fire-Auxiliary devices which may be ignition sources shall not be installed in the ductwork,other than auxiliary devices listed for use with the specific appliance.
Page 43: Supplementary Statement
18. SUPPLEMENTARY STATEMENT WARNING -Do not use means to accelerate the defrosting process or to clean, other than those recommended by the ’ manufacturer; -The appliance shall be stored in a room without continuously operating ignition sources (for example: open flames, an operating gas appliance or an operating electric heater. -Do not pierce or burn.
Page 45 The AHRI Certified mark indicates company participation in the AHRI Certification program. For verification of individual certified products, go to ahridirectory.org. The manufacturer has a policy of continuous data improvement and it reserves the right to change design and specifications without notice. We are committed to using environmentally conscious print practices.

This manual is also suitable for:

H36tdh18xac H48tdh18xac H60tdh16xac