Document Outline

• Table of Contents
• Section 1. GENERAL INFORMATION
  • 1.1 Introduction
  • 1.2 Safety Notes
  • 1.3 Model Identification
  • 1.4 Warranty
  • 1.5 Overview, Model 2000
  • 1.5 Overview, Models 2500 and 3000
  • 1.5 Overview, Models 3500 and 4000
  • 1.6 Dimensions
  • 1.7 Unpacking
• Section 2. LOCATING THE APPLIANCE
  • 2.1 Locating the Appliance
  • 2.2 Correct Vent Distance fromOutside Wall or Roof Termination
• Section 3. VENTING AND COMBUSTION AIR
  • 3.1 Combustion Air
  • 3.1.1 Combustion Air From Room
  • 3.1.2 Ducted Combustion Air
  • 3.2 Venting
    • 3.2.1 Common Venting
    • 3.2.3 Venting Requirements Unique toCanada
  • 3.3 Locating the Vent and Combustion Air Terminals
    • 3.3.1 Side Wall Vent Terminal
    • Figure 3. Combustion Air and Vent Through Side Wall
    • 3.3.2 Side Wall Combustion Air Terminal
    • 3.3.3 Vertical Vent Terminal
    • 3.3.4 Vertical Combustion Air Terminal
    • 3.3.5 Installations in the Commonwealthof Massachusetts
  • 3.4 Common Vent Test
  • 3.5 Outdoor Installation
• Section 4. GAS SUPPLY AND PIPING
  • 4.0 Gas Supply and Piping
  • Pipe Capacity Charts
• Section 5. WATER FLOW REQUIREMENTS
  • 5.1 MagnaTherm Boiler Flow and Head Requirements
  • 5.2 MagnaTherm Water Heater Flow and Head Requirements
• Section 6. WATER CONNECTIONS MGH BOILERS
  • 6.1 MGH System Piping:Hot Supply Connections
  • 6.2 MGH Cold Water Make-Up
  • 6.3 MGH Freeze Protection
  • 6.4 MGH Suggested Piping Schematics
  • 6.5 Condensate Drain Trap
  • Hydronic Piping — Single Boiler, Multiple Temperature Zones
  • Hydronic Piping — Single Boiler with Low Temperature Zones and Indirect DHW Tank
  • Hydronic Piping — Multiple Boilers, Multiple Temperature Zones, Reverse Return.
  • Hydronic Piping — Multiple Boilers, Indirect DHW Off of One Boiler
• Section 7. WATER CONNECTIONS MGV UNITS
  • 7.1 MGV Water Quality
  • 7.2 MGV Suggested Piping Schematics
  • 7.3 MGV Piping Requirements
    • DHW Piping - One Heater, One Vertical Tank
  • 7.4 MGV Cold Water Make-Up
  • 7.5 MGV Freeze Protection
  • DHW Piping - One Heater, Two Vertical Tanks
  • DHW Piping - Two Heaters, Two Vertical Tanks
  • 7.6 MGV Water Flow
  • 7.7 Condensate Drain Trap
• Section 8. ELECTRICAL CONNECTIONS
  • 8.1 Installation Warnings
  • 8.2 Main Power Connections
  • 8.3 Pump Connections and Operation
  • 8.4 Control Panel Layout
  • 8.5 Wiring Diagram, All Units
  • 8.6 High Voltage Wiring Diagrams
    • Three-Phase High Voltage Wiring
    • 220 Volt Single Phase, High Voltage Wiring
    • 110 Volt Single Phase, High Voltage Wiring
    • Three-Phase Ladder Diagram
    • 220 Volt Single Phase Ladder Diagram
    • 110 Volt Single Phase Ladder Diagram
• Section 9. NAVIGATING THE TOUCH SCREEN
  • 9.1 The Touch Screen
  • 9.2 Using the Touch Screen
    • Boiler Status Colors
    • Screen Menu Icons
  • 9.3 Verification Process for Safety-Related Parameters
  • 9.4 Checking Individual Parameters
  • 9.5 Configuring Parameters
    • Configuration Screen
  • 9.6 Setting the Date and Time on theSystem Display
  • 9.7 Configuration Menus
    • 9.7.1 System Identification & Access
    • 9.7.2 CH - Central Heat Configuration
    • 9.7.3 Outdoor Reset Configuration
    • 9.7.4 DHW - Domestic Hot WaterConfiguration
    • 9.7.5 Warm Weather ShutdownConfiguration
    • 9.7.6 Demand Priority Configuration
    • 9.7.7 Modulation Configuration
    • 9.7.8 Pump Configuration
    • 9.7.9 Statistics Configuration
    • 9.7.10 High Limits
    • 9.7.11 Stack Limits
    • 9.7.12 Delta T Limits-
    • 9.7.13 Frost Protection
    • 9.7.14 Burner Control Ignition
    • 9.7.15 System Configuration
    • 9.7.16 Sensor Configuration
    • 9.7.17 Lead Lag Slave Configuration
    • Control Settings for Lead/Lag System -Part 1
    • 9.7.18 Lead Lag Master Configuration
  • 9.8 Parameter Defaults and Ranges
  • 9.9 Connections to aBuilding Automation System
  • 9.10 Vari-Prime
  • 9.11 – Combustion Setup Procedure
    • High and Low Fire Adjustments on the Gas Valve
• Section 10. INITIAL STARTUP INSTRUCTIONS
  • 10.1 Filling the Boiler System
  • 10.2 Initial Operation
    • 10.2.1 Initial Burner Operation
    • 10.2.2 Combustion Setup Procedure
  • 10.3 Shutting Down the MagnaTherm
  • 10.4 Restarting the MagnaTherm
• Section 11. MAINTENANCE
  • 11.1 System Maintenance
  • 11.2 Maintenance Notes
    • 11.2.1 Burner
    • 11.2.2 Modulating Gas Valve/ Venturi
    • 11.2.3 Controller
    • 11.2.4 Hot Surface Ignitor
    • 11.2.5 Flame Sensor
    • 11.2.7 Blower
    • 11.2.8 Heat Exchanger Tubes
    • 11.2.9 Gas Pressure Switches
• Section 12. TROUBLESHOOTING
  • 12.1 Lockouts, Holds, and Alerts
    • 12.1.1 Responding to a Lockout, Hold, or Alert
    • 12.1.2 Viewing the Lockout and AlertHistories
    • Alert History, Lockout History
  • 12.2 Troubleshooting Tables. 13 Pages
  • 12.3 Diagnostic Tests and Input/Output Indicators
  • 12.4 Lead/Lag Slave Diagnostics
  • 12.5 Statistics
  • 12.6 Analysis
  • 12.7 Control Snapshot
  • 12.8 Operating Sequence
• Section 13. REPLACEMENT PARTS
  • 13.1 General Information
  • 13.2 Component Illustrations, Parts Lists, and Part Numbers
    • 13.2.1 Frame and Jacket Assembly, Part Numbers
    • Final Assembly
    • 13.2.2 Final Assembly, Part Numbers
    • 13.2.3 Waterway Outlet Assembly, Part Numbers
    • 13.2.4 Blower Burner Assembly,Part Numbers (Model 2000)
    • 13.2.5 Blower Burner Assembly, Part Numbers (Models 2500 and 3000)
    • 13.2.6 Blower Burner Assembly,Part Numbers (Models 3500 and 4000)
    • Gas Train Assembly (Models 2000, 2500 and 3000)
    • 13.2.7 Gas Train Assembly, Part Numbers (Models 2000, 2500 and 3000)
    • Gas Train Assembly (Models 3500 and 4000)
    • 13.2.8 Gas Train Assembly, Part Numbers (Models 3500 and 4000)
    • Control Panel Assembly
    • 13.2.9 Control Panel Assembly, Part Numbers