Cadet CDN120 Manuals

Manuals and User Guides for Cadet CDN120. We have 1 Cadet CDN120 manual available for free PDF download: Installation And Service Manual

Cadet CDN120 Installation And Service Manual

Cadet CDN120 Installation And Service Manual (92 pages)

Brand: Cadet | Category: Boiler | Size: 7.33 MB

Table of Contents

Hazard Definitions

2
- Table of Contents
  2
Please Read before Proceeding

3
The Cadet Heating Boiler - How It Works

4
Ratings

6
1 Determine Boiler Location

7
2 Prepare Boiler

12
- Gas Conversions
  12
- Remove Boiler from Wood Pallet
  13
- Mounting the Boiler
  13
3 General Venting

14
- Install Vent and Combustion Air Piping
  15
- Sizing
  16
- Max. Allowable Vent Piping Lengths
  16
- Materials
  17
- Optional Room Air
  18
- Pvc/Cpvc
  19
- Polypropylene
  20
- Stainless Steel Vent
  21
4 SIDEWALL DIRECT VENTING Vent/Air Termination - Sidewall

22
5 VERTICAL DIRECT VENTING Vent/Air Termination - Vertical

28
6 Hydronic Piping

34
- System Water Piping Methods
  34
- Low Water Cutoff Device
  34
- Chilled Water System
  34
- Freeze Protection
  34
- General Piping Information
  34
- Near Boiler Piping Components
  35
- Near Boiler Piping Connections
  36
- Circulator Sizing
  37
7 GAS CONNECTIONS Connecting Gas Supply Piping

42
- Natural Gas
  43
  - Pipe Sizing for Natural Gas
    43
  - Natural Gas Supply Pressure Requirements
    43
- Propane Gas
  43
  - Pipe Sizing for Propane Gas
    43
  - Propane Supply Pressure Requirements
    43
- Check Inlet Gas Supply
  44
- Gas Pressure
  45
- Gas Valve Replacement
  45
8 Field Wiring

46
- Line Voltage Connections
  46
- Low Voltage Connections
  46
  - Outdoor Temperature Sensor
    47
  - Flow Switch
    47
  - Boiler Control
    49
9 CONDENSATE DISPOSAL Condensate Drain

51
10 Startup

52
- Check for Gas Leaks
  53
- Start the Boiler
  54
11 Operating Information

57
- General
  57
  - Outdoor Reset Operation
    58
  - User Programming Sequence
    59
- User/Installer Programming Sequence
  60
- Parameter Table
  61
- Viewable and Changeable Control Parameters
  61
  - Access Modes / Saving Parameters
    62
  - Cadet Heating Boiler Control Module
    63
12 MAINTENANCE Maintenance and Annual Startup

64
- Address Reported Problems
  65
- Inspect Boiler Area
  65
- Check Expansion Tank
  66
- Check Boiler Relief Valve
  66
- Check Control Settings
  66
- Check Burner Flame
  66
- Removal of Combustion Chamber Lining
  67
- Check Flame Signal
  67
- Review with Owner
  67
- Cleaning Boiler Heat Exchanger
  68
- Oiled Bearing Circulators
  68
13 Troubleshooting

69
- Corrective Action
  70
14 Combi

80
- Specifications
  81
- Water Piping
  83
- Combi
  84
15 Diagrams

85
- Ladder Diagram (Standard)
  85
- Wiring Diagram (Standard)
  86
- Ladder Diagram (Combi)
  87
- Wiring Diagram (Combi)
  88

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