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McLean T20 - User Manual

McLean T20
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© 2010 Pentair Technical Products
87976494
Rev. O
P/N 10-1008-196
Protecting Electronics.
Exceeding Expectations.™
Pentair Technical Products
2100 Homan Way
Anoka, MN 55303
+1-763-323-8200
+1-763-576-3200
www.McLeanCoolingTech.com
INSTRUCTION MANUAL
T-Series™
Air Conditioner
T20
Remote Site Products - 1-888-532-2706 - www.remotesiteproducts.com
http://www.remotesiteproducts.com/p-5803-Hoffman-T200216G100-T-Series-AC-115V-2000-BTU-Outdoor.aspx

Questions and Answers

  • M
    monica31Aug 1, 2025
    Why is my McLean T20 not cooling?
    • J
      John FryeAug 1, 2025
      Your McLean Air Conditioner may not be cooling due to several reasons: clogged fins on the coil(s), a dirty filter, impellers/fans not running, the compressor not running or having bad valves, or a loss of refrigerant.
  • E
    Elizabeth LamAug 6, 2025
    What to do if the condenser fan and compressor do not come on when the thermostat is turned on in my McLean T20 Air Conditioner?
    • J
      John PenningtonAug 6, 2025
      If the condenser fan and compressor do not come on when the thermostat is turned on in your McLean Air Conditioner, the cause may be a defective thermostat. Consider replacing the part.
  • X
    Xavier LynchAug 10, 2025
    What to do if my McLean Air Conditioner compressor is not showing signs of operation?
    • R
      ramosmichaelAug 10, 2025
      If your McLean Air Conditioner compressor is not showing signs of operation, it could be due to a defective thermostat, a defective capacitor (repair or replace), a defective overload (defective part), or a defective relay.
  • L
    Larry PattersonAug 15, 2025
    Why is there no airflow from the condenser fan on my McLean T20 Air Conditioner?
    • S
      Shane CarlsonAug 16, 2025
      If there is no airflow from the condenser fan on your McLean Air Conditioner, it could be due to a defective thermostat, an open motor winding (repair or replace), a stuck impeller motor (defective part), or an obstructed wheel.
  • D
    David BeckAug 21, 2025
    What to do if my McLean T20 evaporator fan does not come on?
    • K
      Krystal GutierrezAug 21, 2025
      If the evaporator fan on your McLean Air Conditioner does not come on, it could be due to an open motor winding (repair or replace), a stuck fan motor (defective part), or obstructed blades.
  • S
    Sarah ParrishAug 26, 2025
    Why am I getting water in the enclosure of my McLean Air Conditioner?
    • W
      William FrazierAug 27, 2025
      If you're getting water in the enclosure of your McLean Air Conditioner, it could be due to a plugged drain, a kinked drain tube, an enclosure that is not sealed (allowing humidity in), or a damaged mounting gasket.

Summary

Receiving the Air Conditioner

Handling and Testing the Air Conditioner

Handling and Testing Caution

Warning against operating the air conditioner horizontally to prevent compressor damage and warranty voidance.

Installation Instructions

Installation Wire Diagram (Without Heat)

Installation Wire Diagram (With Heat)

Electrical Schematic

Temperature Control Operation

Maintenance Procedures

Inlet Air Filter Maintenance

Importance of inlet air filter maintenance for preventing compressor overheating and ensuring performance.

Refrigerant Loss and Service

Troubleshooting Guide

Basic Troubleshooting Checklist

A step-by-step guide to identify and address problems like lack of cooling or unit shutdown.

Symptoms and Possible Causes

Product Warranty Information

McLean T20 Specifications

General IconGeneral
BrandMcLean
ModelT20
CategoryAir Conditioner
LanguageEnglish

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