Solid State Plug-In Amplifiers that Respond to Flame Detector Inputs to Indicate the Presence of Flame When Used with 7800 Series Relay Module

Flame Signal Strength Ranges from 0 to 5 Volt DC

Flame Signal Test Jacks to Measure Amplifiers Flame Signal Voltage

Plug into 7800 Relay Module through Printed Circuit Board Edge Connector Keyed for Proper Orientation

Color Coded Labels Identify Flame Detection Type

Dynamic Self-Check Amplifiers Test the Detectors and All Electronic Components in the Flame Detection System

7800 Series Relay Module Locks Out on Safety Shutdown with Flame Detection System Failure

Compatible with Existing Honeywell Flame Detector

Use with Remotely Mounted S7800 Keyboard Display Module

Installs Directly on the Front of 7800 Series Relay Modules

Provides Communications Bus Interface and Remote Reset

Slotted Mounting Holes for Easy Installation

Long Terminal Screws for Wiring Junctions Can be Made on Terminal Block

Dial has Individual Pointers for Fan Cut-In and Cut-Out Settings

Removable Solid Copper Jumper between Fan and Limit Switches

Summer Fan Switch for Ventilation without Changing Control Settings has Same Fan and Limit Switch Mechanism

Close Firmly with Diaphragm that is Both Weight and Spring Loaded

Two Second Maximum Closing Time

Valve Closes on Power Failure, Recommended for Final Shut-Off Service

Set Opening Time with Various Sized Bleed Orifices or Adjustable Bleed Valve

Close Firmly with Diaphragm that is Both Weight and Spring Loaded

Two Second Maximum Closing Time

Valve Closes on Power Failure, Recommended for Final Shut-Off Service

Set Opening Time with Various Sized Bleed Orifices or Adjustable Bleed Valve

Plug into 7800 Relay Module Through Printed Circuit Board Edge Connector Keyed for Proper Orientation

Flame Signal Test Jacks to Measure Amplifier Flame Signal Voltage

Color Coded Labels Identify Flame Detection Type

7800 Series Relay Module Locks Out on Safety Shutdown with Flame Detection System Failure

Compatible with Existing Honeywell Flame Detectors

Slotted Mounting Holes for Easy Installation

Long Terminal Screws for Wiring Junctions Can be Made on Terminal Block

Dial has Individual Pointers for Fan Cut-In and Cut-Out Settings

Removable Solid Copper Jumper between Fan and Limit Switches

Summer Fan Switch for Ventilation without Changing Control Settings has Same Fan and Limit Switch Mechanism

Line Interrupter Styles Use Standard 30 Millivolt Thermocouples

Straight Through Design with Side Taps

Inlet/Outlet Reducer Bushing

Mounting Position Upright Any Direction

Adjustable Regulator

Inlet/Outlet Screen

Functions Include Automatic Burner Sequencing, Flame Supervision, System Status Indication, System or Self-Diagnostics and trouble Shooting

Access for External Electrical Voltage Checks

Application Flexibility and Communication Interface Capability

Five LEDs Provide Sequence Information

Five Function Run/Test Switch

Interchangeable Plug-In Flame Amplifiers

Local or Remote Annunciation of MM7840 Operation and Fault Information

Nonvolatile Memory Retains History Files and Lockout Status after Loss of Power

Solid State Plug-In Amplifiers that Respond to Flame Detector Inputs to Indicate the Presence of Flame When Used with 7800 Series Relay Module

Flame Signal Strength Ranges from 0 to 5 Volt DC

Flame Signal Test Jacks to Measure Amplifiers Flame Signal Voltage

Plug into 7800 Relay Module through Printed Circuit Board Edge Connector Keyed for Proper Orientation

Color Coded Labels Identify Flame Detection Type

Dynamic Self-Check Amplifiers Test the Detectors and All Electronic Components in the Flame Detection System

7800 Series Relay Module Locks Out on Safety Shutdown with Flame Detection System Failure

Compatible with Existing Honeywell Flame Detector

Convertible Natural/Liquid Propane Gas

Adjustable Regulator

Inlet/Outlet Screen

Line Interrupter

Line Interrupter Styles Use Standard 30 Millivolt Thermocouples