Document Outline

• Table of Contents
• 1. INTRODUCTION
  • 1.1 Safety and Warnings
• 2. E8 CONTROLLER AND BCM DESCRIPTION
• 2.
  • 2.1 E8 Controller Features And Functions
  • 2.2 BCM Features And Functions
• 3. E8 CONTROLLER OPERATION
  • 3.
  • 3.1 NORMAL Mode Operation (Door Closed)
    • 3.1.1 NORMAL Mode Display Functions
    • 3.1.2 HEATING Mode Selection (in NORMAL Mode)
    • 3.1.3 MENU Mode Operation (Door Open)
  • 3.2 Software Menus
    • 3.2.1 Basic Menu/Sub-Menu Navigation and Selection
    • 3.2.2 Basic Parameter Navigation, Selection, and Revision
• 4. E8 CONTROLLER MENUS AND SUB-MENUS
  • 4.
  • 4.1 DISPLAY Menu
  • 4.2 USER Menu
  • 4.3 TIME PROGRAM Menu and Sun-Menus
  • 4.4 EXPERT Menu and Sub-Menus
    • 4.4.1 Available V-Curve Preset Voltage Curves for 0 – 10 Volt Input
  • 4.5 EXPERT HS Menu (Not Used)
  • 4.6 GENERAL Menu
    • 4.6.1 DATE / TIME Menu
    • 4.6.2 SERVICE Menu
  • 4.7 E8 Controller Initial Startup
    • 4.7.1 CAP/MODULE Function (Maximum Kilowatts per Burner)
    • 4.7.1 Available Settings for Relay Functions 1 – 4
• 5. E8 OPERATING MODE: Set-up and Programming
  • 5.
  • 5.1 Indoor/Outdoor Reset Mode
    • 5.1.1 Wiring Connections
    • 5.1.2 Indoor/Outdoor Reset Operation Configuration
    • 5.1.3 Viewing the Boiler Setpoint
  • 4.
  • 5.
  • 5.1
  • 5.2 Constant Set Point Mode
    • 5.2.1 Wiring Connections
    • 5.2.2 Constant Setpoint Mode Configuration
    • 5.2.3 Viewing Constant Set Point
    • 5.2.4 Configuring Set Point High and Low Limits Per Outside Temperature Sensor
      • 5.2.4.1 Configuring HEATSLOPE Parameter
      • 5.2.4.2 Configuring MAX T-FLOW and MIN T-FLOW Parameters
      • Continue scrolling through the HTG CIRCUIT 1 sub-menu until RETURN is displayed. Press the Program Key to exit the HTG CIRCUIT 1 sub-menu.
      • 5.2.4.3 Configuring MAX T-COL Parameter
  • 5.3 0 to 10 Volt Remote Set Point Mode
    • 5.3.1 Remote Signal Source Wiring Connections
    • 5.3.2 Configuring Remote Signal Source
    • 5.3.3 Setting the Voltage and Set Point Limits for U1/U2 and T1/T2
    • 5.3.4 Setting the Curve 11-UO Voltage
    • 5.3.5 Viewing the Set Point
  • 5.4 Domestic Hot Water Operation Using A Tank Sensor
    • 5.4.1 Sensor Wiring Connections
    • 5.4.2 Configuring the Controller for DHW With a Tank Sensor
    • 5.4.3 Setting the DHW Set Point
    • 5.4.4 Displaying Temperatures Associated With DHW
      • 5.4.4.1 Viewing DHW Set Point and Actual DHW Temperature
      • 5.4.4.2 Viewing DHW Set Point With T-BOILER DHW Function
  • 5.5 DHW Operation Using an Aquastat
    • 5.5.1 Sensor Wiring Connections
    • 5.5.2 Configuring the Controller for DHW With an Aquastat
    • 5.5.3 Setting the DHW Set Point
    • 5.5.4 Displaying Temperatures Associated With DHW
  • 5.6 Boiler & Pump Enable/Disable
• 6. CONNECTION DIAGRAMS
  • 6.
  • 6.1 Power Terminal Assignments
  • 6.2 Sensor Terminal Assignments
    • 6.2 Sensor Terminal Assignments (Continued)
• 7. BOILER COMMUNICATIONS MODULE (BCM)
  • 7.
  • 7.1 Boiler Communications Module (BCM) Description
  • 7.2 BCM Fault Relay
    • 7.2.1 BCM Fault Relay Wiring
    • 7.2.2 Clearing Faults
  • 7.3 BCM Configured as Back-Up Controller
    • 7.3.1 BCM Back-Up Controller Wiring
  • 7.4 BCM Configured as Primary Controller Utilizing Modbus
    • 7.4.1 Operating Scenario
    • 7.4.2 Physical Modbus RS485 Wiring
    • 7.4.3 Disconnecting the E8 from the E-Bus on the BCM Board.
    • 7.4.4 AERCO BMS II/ACS Master to BCM Slave Wiring Connections.
    • 7.4.5 EMS or BAS Master to BCM Slave Wiring Connections
  • 7.5 RS485 Loop Termination Resistors and Bias
    • 7.5.1 Master AERCO BMS II/ACS or EMS/BAS Terminating Resistor and Bias
    • 7.5.2 BCM Controller Terminating Resistor and Bias
  • 7.6 Modbus Network Wiring Diagram
  • 7.7 Modbus Software Set-Up
    • 7.7.1 BCM Set-Up for Modbus Operation
    • 7.7.2 Monitoring and Configuration Only
    • 7.7.3 AERCO BMS II/ACS Modbus Control and Monitoring
    • 7.7.4 Modbus Remote Setpoint Control and Monitoring
    • 7.7.5 EMS or BAS Set-Up As Master to BCM Controller Slaves
  • 7.8 Multiple Modulex Boiler Heating Mode – Utilizing a BMS II or ACS
    • 7.8.1 Sequence of Operation (Example: Four-Modulex boiler installation)
• 8. E8 CONTROLLER MENU LISTINGS
  • 8.
  • 8.1 DISPLAY Menu
  • 8.2 USER Menu
  • 8.3 TIME PROGRAM Menu
  • 8.4 EXPERT Menu
  • 8.5 GENERAL Menu
    • 8.5.1 DATE / TIME Sub-Menu
    • 8.5.2 SERVICE Sub-Menu
• 9. BCM MODBUS AND ADDRESS ASSIGNMENTS
  • 9.
  • 9.1 BCM Modbus Communication & Support Requirements
    • 9.1.1 Function Codes
    • 9.1.2 Modbus Support Requirements
  • 9.2 BCM Controller Standard Holding Register Assignments
    • 9.2.1 BCM Controller Standard Input Register Assignments
    • 9.2.2 BCM Controller Standard Holding Register Assignments
• 10. E8, BCM, AND BMM FAULT CODES
  • 10.
  • 10.1 Processing and Clearing Fault Codes
  • 10.2 Fault Codes and Descriptions
    • 10.2.1 E8 Controller Fault Codes
    • 10.2.2 BCM (Boiler Communications Module) Fault Codes
    • 10.2.3 BMM (Burner Management Module) Fault Codes