Lennox 20 Manuals

Manuals and User Guides for Lennox 20. We have 3 Lennox 20 manuals available for free PDF download: Application Manual, Installation, Operation & Maintenance Manual, Installation

Lennox 20 Application Manual (149 pages)

M3 Unit Controller

Brand: Lennox | Category: Controller | Size: 3.8 MB

Table of Contents
2
1 Prodigy 2.0 M3 Unit Controller Description

6
- Add-On Boards
  6
2 Main Controller Operation

7
- System Mode - Thermostat
  7
  - Cooling Stages
    7
  - Heating Stages
    8
- System Mode - Room Sensor Backup Mode Set Points
  8
3 Unit Component Operation

16
4 Sensors

22
5 Low Ambient Fan Control (S11 and S84)

23
- Other Units
  23
6 Dehumidification Operation

26
7 Economizer

36
- General
  36
- Damper Operations During Free Cooling
  36
- Enabling Economizer and Settings
  37
- Free Cooling Compressor Lockout Mode and Low Ambient Set Point
  37
- Outdoor Air Suitability for Free Cooling
  37
- Enthalpy Set Point
  37
- Free Cooling Damper Maximum Position
  37
- Damper Minimum Position
  37
- Motorized Outdoor Air Damper
  37
- Economizer Checkout
  38
- Demand Control Ventilation
  40
  - General
    40
  - Default Operation
    40
  - Parameter Adjustments
    41
8 Power Exhaust Operation

43
9 Supply Air Delivery

44
10 Discharge Air Control

49
11 Third-Party Zoning

58
- Discharge Air Control Heating Outdoor Air Reset
  59
12 Bacnet

60
- Analog Output Objects
  61
- Analog Value Objects
  62
- Analog Input Objects
  63
13 Load Shedding Options

68
14 Service Relay

69
- System Relative Humidity Options
  70
15 Control Parameters

72
18 Advanced Airflow (Smart Airflow) in High Efficiency a Box (3-5 Ton Units)

73
- Calibration
  73
- Outdoor Airflow (OA) Measurement and Control
  74
19 Sequence of Operation

76
- Operations Common to All Rooftop Units
  77
20 M3 Unit Controller Inputs and Outputs

85

Lennox 20 Installation, Operation & Maintenance Manual (17 pages)

CHILLED WATER CASSETTE

Brand: Lennox | Category: Air Conditioner | Size: 1.13 MB

Table of Contents
2
Product Range
3
General Information
4
Specification
5
Specification
6
Electrical Connections
6
Unit Dimensions
7
Drain Pipework
8
Installation
9
Control Panel
10
Instalation of Diffuser and Inlet Grille
11
Maintenance
12
Maintenance
13
Air Distribution
13
Options
14
Options
15
Fault Analysis
15
Points to Keep in Mind
16

Lennox 20 Installation (1 page)

Lennox International Inc. Heat Exchanger Clean-Out Kit Installation Instructions

Brand: Lennox | Category: Furnace | Size: 0.14 MB

Lennox Categories

Furnace

Air Conditioner Heat Pump Indoor Fireplace Thermostat

More Lennox Manuals

Lennox 20 Manuals

Lennox 20 Application Manual (149 pages)

Table of Contents

1 Prodigy 2.0 M3 Unit Controller Description

2 Main Controller Operation

3 Unit Component Operation

4 Sensors

5 Low Ambient Fan Control (S11 and S84)

6 Dehumidification Operation

7 Economizer

8 Power Exhaust Operation

9 Supply Air Delivery

10 Discharge Air Control

11 Third-Party Zoning

12 Bacnet

13 Load Shedding Options

14 Service Relay

15 Control Parameters

18 Advanced Airflow (Smart Airflow) in High Efficiency a Box (3-5 Ton Units)

19 Sequence of Operation

20 M3 Unit Controller Inputs and Outputs

Lennox 20 Installation, Operation & Maintenance Manual (17 pages)

Table of Contents

Lennox 20 Installation (1 page)

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