Trane 5TEM6B02AV21SA - User Manual

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Only qualified personnel should install and service the equipment. The installation, starting up, and servicing of heating, ventilating, and air-conditioning

equipment can be hazardous and requires specific knowledge and training. Improperly installed, adjusted or altered equipment by an unqualified person

could result in death or serious injury. When working on the equipment, observe all precautions in the literature and on the tags, stickers, and labels that

are attached to the equipment.

November 2023

1188--GGFF7799DD11--11AA--EENN

Convertible Air Handlers

2 – 5 Ton

5TEM6B02AV21SA

5TEM6B03AV21SA

5TEM6D04AV31SA

5TEM6D05AV41SA

5TEM6D06AV41SA

5TEM6D07AV51SA

The 5TEM6 series air handler is designed for installation

in a closet, utility room, alcove, basement, crawlspace or

attic. These versatile units are applicable to air

conditioning and heat pump applications. Several

models are available to meet the specific requirements of

the outdoor equipment. Field installed electric resistance

heaters are available.

Installation, Operation, and Maintenance

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This document provides installation, operation, and maintenance instructions for Convertible Air Handlers, specifically the 5TEM6B02AV21SA, 5TEM6B03AV21SA, 5TEM6D04AV31SA, 5TEM6D05AV41SA, 5TEM6D06AV41SA, and 5TEM6D07AV51SA models, which are designed for 2-5 ton systems.

Function Description

The 5TEM6 series air handlers are versatile units designed for use in air conditioning and heat pump applications. They can be installed in various locations such as closets, utility rooms, alcoves, basements, crawlspaces, or attics. These units are configured for multi-position upflow, downflow, horizontal left, and horizontal right installations, though some orientations may require coil conversion. They are equipped with a variable-speed direct drive blower to achieve various airflows for cooling and heating. A key safety feature is the integrated refrigerant leak detection system, which automatically detects leaks in the indoor coil and initiates mitigation actions to reduce the risk of ignition of leaked refrigerant. These actions include turning on the indoor unit's blower to dilute refrigerant, fully opening zoning dampers (if applicable), turning off the outdoor unit's compressor, de-energizing potential ignition sources, and activating an audible alarm.

Important Technical Specifications

Models Covered: 5TEM6B02AV21SA, 5TEM6B03AV21SA, 5TEM6D04AV31SA, 5TEM6D05AV41SA, 5TEM6D06AV41SA, 5TEM6D07AV51SA
Tonnage: 2-5 tons
Refrigerant Type: Flammable refrigerant R-454B (requires specific handling and leak detection equipment)
Electrical Operation: 208/230 VAC, 60 Hz, 1 Phase (can be configured for 208 VAC operation)
Coil: All aluminum coil, factory-pressurized with 8-12 psi dry air
Metering Device: Factory-installed R-410A Thermal Expansion Valve (TXV)
Cabinet: Painted finish on galvanized steel exterior with fully insulated cabinet (R4.2 value)
Drain Pans: Sturdy polycarbonate, factory-installed for upflow applications
Return: Bottom return
Leakage Requirements: Meets minimum leakage requirements for Florida and California Building Codes
Minimum Unit Clearances:
- Sides: 2"
- Front: 21"
- Back: 0"
- Inlet Duct: 1"
- Outlet Duct: N/A
Minimum Conditioned Space: Varies by refrigerant charge and altitude (refer to Table 3 in the manual for specific values).
Heater Data (Examples for 5TEM6B02AV21SAA at 240V):
- No Heater: 2.8* Motor Amps, 4 Minimum Circuit Ampacity, 15 Maximum Overload Protection
- BAYHTR1504BRK/LUG (3.84 kW): 16.0 Amps per Circuit, 24 Minimum Circuit Ampacity, 25 Maximum Overload Protection
- BAYHTR1517BRK Circuit 1 (9.60 kW): 40.0 Amps per Circuit, 54 Minimum Circuit Ampacity, 60 Maximum Overload Protection
- BAYHTR3517LUG (14.40 kW): 34.6 Amps per Circuit, 46 Minimum Circuit Ampacity, 50 Maximum Overload Protection

Usage Features

Multi-Position Installation: Supports upflow, downflow, horizontal left, and horizontal right configurations, offering flexibility in placement.
Variable-Speed Blower: Equipped with an ECM fan control that allows for precise airflow adjustments for cooling and heating, optimizing comfort and efficiency. Dip switches on the ECM Fan Control are used to match airflow to the outdoor unit size and configure fan off-delay options and auxiliary heat settings.
Enhanced Mode: A cooling off-delay option that provides ramping up and ramping down of the blower speed for improved comfort, quietness, and potential energy savings.
Optional Electric Heaters: Compatible with various single-phase (4, 5, 8, 10, 15, 20, 25 KW) and three-phase (10, 15 KW) electric heaters, with available circuit breakers and lugs.
Optional Accessories: Supports single point power entry kits, supply duct flange kits, downflow sub-base kits, slim fit filter box kits, breaker seal kits, downflow condensate management kits, CleanEffects Whole House Air Cleaners, and 120V Unit Conversion Kits.
Thermostat Compatibility: Designed to work with standard HP or AC heating/cooling thermostats.
Refrigerant Leak Detection System: Automatically detects and mitigates refrigerant leaks, enhancing safety for building occupants. The system includes diagnostic indicators (LEDs) on the mitigation control board for easy troubleshooting.
Coil Conversion: Instructions are provided for converting the coil, drain pan, and refrigerant sensor for horizontal left, horizontal right, and downflow applications.

Maintenance Features

Service Access: All servicing is performed from the front of the unit, requiring a 21" clearance for access.
Filter Requirement: A remote air filter must be installed before air enters the evaporator coil to protect internal components from dirt and dust. Filters should meet UL 900 test requirements.
Condensate Drainage: Supplied with primary and auxiliary 3/4" NPT condensate drains. The primary drain must be trapped outside the unit and piped according to building codes, with a minimum 1/4" per foot downward pitch.
Refrigerant System Servicing: Requires trained service professionals due to the use of flammable refrigerants. Specific procedures for leak detection, removal, evacuation, and charging must be followed, including safety checks to minimize ignition risk.
Electrical Safety: Emphasizes disconnecting all electric power before servicing and following lockout/tagout procedures. Only qualified personnel should install and service the equipment.
Grounding: All grounding devices must be reconnected and properly fastened after service.
Periodic Maintenance: Recommended at least annually by trained professionals, including testing electrical and refrigerant components, cleaning heat transfer surfaces, and inspecting air filters.
Permanently Lubricated Blower Motor: The blower motor is permanently lubricated, reducing maintenance needs.
Troubleshooting: Diagnostic codes on the mitigation control board and a QR code for field troubleshooting information are provided to assist in diagnosing refrigerant leak detection system issues.