Lennox T-CLASS TSA Series Installation Instructions Manual
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Lennox T-CLASS TSA Series Installation Instructions Manual

Lennox T-CLASS TSA Series Installation Instructions Manual

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RETAIN THESE INSTRUCTIONS
FOR FUTURE REFERENCE
IMPORTANT
The Clean Air Act of 1990 bans the intentional venting of
refrigerant (CFCs, HCFCs AND HFCs) as of July 1,
1992. Approved methods of recovery, recycling or
reclaiming must be followed. Fines and/or incarceration
may be levied for noncompliance.
WARNING
This product and/or the indoor unit it is matched with may
contain fiberglass wool.
Disturbing
the
insulation
maintenance, or repair will expose you to fiberglass wool
dust. Breathing this may cause lung cancer. (Fiberglass
wool is known to the State of California to cause cancer.)
Fiberglass wool may also cause respiratory, skin, and
eye irritation.
To reduce exposure to this substance or for further
information, consult material safety data sheets.
WARNING
Improper installation, adjustment, alteration, service or
maintenance can cause personal injury, loss of life, or
damage to property.
Installation and service must be performed by a licensed
professional installer (or equivalent) or a service agency.
06/11
*2P0611*
during
installation,
Page 1
INSTALLATION
INSTRUCTIONS
T−CLASSt TSA Series
6 to 20 Ton
AIR CONDITIONERS
6 − 20 TONS
506147−01
06/11
Supersedes 3/11

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Shipping and Packing List

Check the unit for shipping damage and listed times below
are intact. If damaged, or if parts are missing, immediately
contact the last shipping carrier.
1
Assembled outdoor unit
1
Installation instructions

Outdoor Unit

TSA Series Air Conditioners, which will also be referred to
in this instruction as the outdoor unit, uses HFC−410A
refrigerant. This outdoor unit must be installed with a
matching indoor unit and line set as outlined in the TSA
Series Engineering Handbook.
This outdoor unit is designed for use in thermal expansion
valve (TXV) systems only.
*P506147-01*
Litho U.S.A.
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506147−01
1
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Summary of Contents for Lennox T-CLASS TSA Series

  • Page 1: Table Of Contents

    INSTALLATION INSTRUCTIONS T−CLASSt TSA Series 6 to 20 Ton AIR CONDITIONERS 6 − 20 TONS 506147−01 Litho U.S.A. 06/11 Supersedes 3/11 Table of Contents Shipping and Packing List ..... . Outdoor Unit .

  • Page 2: Unit Dimensions, Corner Weights And Center Of Gravities

    Unit Dimensions, Corner Weights and Center of Gravities TSA072S4S AND TSA090S4S Corner Weights Center of Gravities Model No. Model No. lbs. lbs. lbs. lbs. inch inch 18.5 TSA072S4S TSA072S4S 20.25 TSA090S4S TSA090S4S INCHES (MM) OPTIONAL HAIL GUARD (Field Installed All Coil Sides) (Not used with Coil Guard) 9−1/8...

  • Page 3: Front View

    TSA120S4S, TSA120S4S AND TSA150S4D Corner Weight Center of Gravities Model No. Model No. inch inch lbs. lbs. lbs. lbs. 20.5 33.5 TSA 120S4S TSA 120S4S 21.0 28.5 TSA 120S4D TSA 120S4D 19.0 30.0 TSA 150S4D TSA 150S4D OPTIONAL HAIL GUARD (Field Installed All Coil Sides) (Not used with Coil Guard) INLET AIR...
  • Page 4 TSA180S4D AND TSA240S4D Corner Weight Center of Gravities Model No. Model No. inch inch lbs. lbs. lbs. lbs. TSA180S4D TSA180S4D TSA240S4D TSA240S4D OPTIONAL HAIL GUARD (Field Installed All Coil Sides) (Not used with Coil Guard) OUTDOOR FAN 9−1/8 INLET LIQUID (232) GUARDS (4) LINE (2)

  • Page 5: Unit Plumbing Parts Arrangement

    Unit Plumbing Parts Arrangement TSA072S4S COIL HIGH PRESSURE SWITCH (S4) LOSS OF CHARGE SWITCH (S24) LIQUID LINE DRIER COMPRESSOR SUCTION LINE SERVICE VALVE LIQUID LINE SERVICE VALVE TSA090S4S LOSS OF CHARGE SWITCH (S24) COIL HIGH PRESSURE SWITCH (S4) LIQUID LINE DRIER COMPRESSOR SUCTION LINE SERVICE VALVE...
  • Page 6 TSA120S4S COIL LOSS OF CHARGE SWITCH (S24) COMPRESSOR LIQUID LINE DRIER HIGH PRESSURE SWITCH (S4) SUCTION LINE SERVICE VALVE LIQUID LINE SERVICE VALVE TSA120S4D TOP VIEW BOTH STAGE COIL (LOWER RIGHT CORNER) STAGE 1 PIPING FRONT RIGHT STAGE 2 STAGE 2 PIPING FRONT LEFT COMPRESSOR STAGE 1...
  • Page 7 TSA150S4D TOP VIEW BOTH STAGE STAGE 1 PIPING (LOWER RIGHT CORNER) FRONT RIGHT COIL STAGE 2 PIPING FRONT LEFT STAGE 2 LOSS OF CHARGE SWITCH (S24) LOSS OF CHARGE STAGE 1 SWITCH (S25) LIQUID LINE DRIER COIL COMPRESSOR HIGH PRESSURE SWITCH (S4) SUCTION LINE SERVICE VALVE...

  • Page 8: Front Left

    TSA240S4D TOP VIEW BOTH STAGE STAGE 2 PIPING STAGE 1 PIPING (LOWER RIGHT CORNER) FRONT LEFT COIL FRONT RIGHT COIL STAGE 2 LOSS OF CHARGE SWITCH (S25) STAGE 1 LOSS OF CHARGE SWITCH (S24) LIQUID LINE DRIER HIGH PRESSURE SWITCH (S4) LIQUID LINE DRIER HIGH PRESSURE...

  • Page 9: Unit Control Box Components Arrangement

    Unit Control Box Components Arrangement TRANSFORMER (T1) RELAY (K10) TRANSFORMER (T1) RELAY (K10) TERMINAL STRIP (TB14) TERMINAL STRIP (TB14) CONTACTOR (K1) RUN CAPACITOR (C1) CONTACTOR (K1−1) GROUND RUN CAPACITORS (C1, C2,) GROUND LUG TSA072S4S AND TSA090S4S TSA120S4S TRANSFORMERS TRANSFORMERS RELAYS (T1, T18) (T1, T18) (K66, K67)

  • Page 10: Rigging The Unit For Lifting

    Rigging the Unit for Lifting Lifting point should be directly above the center of gravity. Caution − do not walk on unit Rig the unit for lifting by attaching four cables to the holes in the base rail of the unit. See figure 1 through 3. 1.

  • Page 11: Installation Clearances

    1 (excluding equivalent length of fittings). Size refrigerant lines greater than 50 linear feet (15m or greater) according to the Lennox Refrigerant Figure 5. TSA 120S4S, TSA 120S4D and Piping Design and Fabrication Guidelines (Corp. 9351−L9) TSA 150 Installation Clearances or latest version.

  • Page 12: Electrical Connections

    Electrical Connections WARNING In the United States, wiring must conform with current local Electric Shock Hazard. Can cause injury codes and the current National Electric Code (NEC). In or death. Canada, wiring must conform with current local codes and the current Canadian Electrical Code (CEC). Line voltage is present at all components on units with single-pole contactors, even TRANSFORMER −...
  • Page 13 TYPICAL UNIT CONTROL WIRE CONNECTIONS WIRE RUN LENGTH AWG# INSULATION TYPE CONTROL BOX LESS THAN 100’ (30 METERS) TEMPERATURE RATING MORE THAN 100’ (30 METERS) 35ºC MINIMUM. Run control wires through right cutout. TB14 TERMINAL BLOCK Run control wires through wire ties. Make control wire connections using field provided wire nuts.
  • Page 14 NOTE: THE THERMOSTAT USED MAY BE ELECTRO−MECHANICAL OR ELECTRONIC. Figure 8. TSA 120S4S (G, J, M, and Y Voltages) Typical Wiring Diagram Page 14 506147−01 03/11...
  • Page 15 Figure 9. TSA 120S4D and TSA 150S4D (G, J, M, and Y Voltages) Typical Wiring Diagram Page 15 TS SERIES SERIES...
  • Page 16 NOTE: THE THERMOSTAT USED MAY BE ELECTRO−MECHANICAL OR ELECTRONIC. Figure 10. TSA 180S4D and TSA 240S4D (G, J, M, and Y Voltages) Typical Wiring Diagram Page 16 506147−01 03/11...

  • Page 17: Refrigerant Charge

    If line set is less than 25 feet, subtract this Outdoor Temp < 65ºF (18ºC) amount from each circuit. Refer to Lennox Refrigerant 1. When the outdoor ambient temperature is below 65F Piping Design and Fabrication Guidelines for more (18C) it may be necessary to restrict the air flow information.
  • Page 18 Table 3. HFC−410A Approach Temperatures Stage Approach Temperature (5F) (+/− 1) Approach Temperature (5C) (+/− 0.5) Models TSA072S4S TSA090S4S TSA120S4S TSA120S4D TSA150S4D TSA180S4D TSA240S4D Table 4. HFC−410A Normal Operating Pressures (Liquid +10 and Suction +5 psig) (Single−Stage Units) −072S4S −090S4S −120S4S Temp* Liquid...

  • Page 19: System Operation

    Table 6. HFC−410A Temperature (°F) − Pressure (Psig) °F Psig °F Psig °F Psig °F Psig °F Psig °F Psig °F Psig °F Psig 100.8 137.1 178.5 231.6 290.8 365.0 545.6 445.9 102.9 139.6 181.6 235.3 295.1 370.0 451.8 552.3 105.0 142.2 184.3...

  • Page 20: Start−Up And Performance Checklist

    Start−Up and Performance Checklist Job Name Job no. Date Job Location City State Installer City State Unit Model No. Serial No. Service Technician Nameplate Voltage Rated Load Ampacity Compressor Amperage: Maximum Fuse or Circuit Breaker Electrical Connections Tight? - Indoor Filter clean? - Supply Voltage (Unit Off) Indoor Blower RPM S.P.

This manual is also suitable for:

T-class tsa072s4sT-class tsa090s4sT-class tsa120s4sT-class tsa150s4dT-class tsa180s4dT-class tsa240s4d

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