Lennox HP21 Manuals

Manuals and User Guides for Lennox HP21. We have 3 Lennox HP21 manuals available for free PDF download: Unit Information, Installation Instructions Manual

Lennox HP21 Unit Information (54 pages)

HP21 SERIES

Brand: Lennox | Category: Heat Pump | Size: 1.65 MB

General
1
- Table of Contents
  1
- Electrical Data
  2
- Specifications
  2
1 I Application

3
- Control Box Components
  4
- Defrost Relay
  4
- Compressor
  5
- Crankcase Thermostat
  5
- Hard Start Relay
  5
- Outdoor Fan Motor
  5
- Run Capacitor
  6
- Service Light Thermostat
  6
- Start Capacitor
  6
- TSC−2 Two-Speed Control
  6
- Normal Operation Sequence
  7
- Two-Speed Control Fault Conditions
  8
- Two-Speed Control Manual Override
  9
- TSC-3 Two-Speed Control
  10
- TSC−3 Control
  10
- TSC-6 Two-Speed Control
  11
- TSC−6 Control
  11
  - Compressor Winding Sensor Operating Range
    13
  - Mode Selection Jumpers
    13
  - Diagnostic Code Display
    14
  - LED Lights
    14
  - Test Mode
    14
  - Diagnostics Codes
    15
  - Optional Inputs
    15
  - Ambient Compensation Thermistor
    16
  - Reversing Valve and Solenoid
    16
  - Speed Control Thermostat S55
    16
  - Cooling Mode Operation
    17
  - Defrost Control
    17
  - Defrost Control Components
    18
2 Unit Components

3
- Control Transformer
  3
- Contactors
  3
3 Refrigerant System

20
- Field Piping
  20
- Unit Circuitry
  20
- Reversing Valve/Strainer
  20
- Filter/Drier
  21
- Expansion Valve
  21
- Discharge Muffler
  21
- Accumulator/Thermometer Well
  21
- Charge Compensator
  22
4 Charging

23
- Service Valves
  23
- Low Ambient Control Kit
  23
- Leak Testing
  23
- Evacuating and Dehydrating the System
  24
- Oil Charge
  25
- Heat Pump Unit
  25
5 Maintenance

25
- Indoor Coil
  26
- Indoor Unit
  26
6 Miscellaneous

26
7 Wiring Diagrams and Operating Sequence

27

Lennox HP21 Installation Instructions Manual (22 pages)

Brand: Lennox | Category: Heat Pump | Size: 0.38 MB

Lennox HP21 Installation Instructions Manual (10 pages)

CONTACTOR REPLACEMENT KIT

Brand: Lennox | Category: Industrial Equipment | Size: 0.2 MB

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Furnace

Air Conditioner Heat Pump Indoor Fireplace Thermostat

More Lennox Manuals

Lennox HP21 Manuals

Lennox HP21 Unit Information (54 pages)

Table of Contents

1 I Application

2 Unit Components

3 Refrigerant System

4 Charging

5 Maintenance

6 Miscellaneous

7 Wiring Diagrams and Operating Sequence

Lennox HP21 Installation Instructions Manual (22 pages)

Table of Contents

Lennox HP21 Installation Instructions Manual (10 pages)

Table of Contents

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