Honeywell S87D1020 Dual Rod Direct Spark Ignition Control 4-Second Trial and Lockout
The S87 is a low voltage solid state direct spark ignition control module for gas-fired furnaces boilers and heating appliances. Models are available with or without a prepurge timer. The S87 controls the gas valve monitors the main burner flame and generates a high voltage for spark ignition. The S87D uses a separate electrodes for spark ignition and flame sensing. Use with any gas control designed for DSI application that is rated at 2.0A or less.
The S87D1020 is a 24V unit for Natural Gas or Liquid Propane and has an 0.8 second flame failure, 0.8 second re-ignition, 4 second trial, 1 trial to lockout, no pre-purge.
It also includes alarm terminal, and internal high voltage spark generator
|Valve Contacts||2.0A at 25V|
|Alarm Contacts||0.5A at 25V|
|Flame Failure Response Time||0.8 seconds|
|Re-Ignition Time||0.8 seconds|
|Ignition Trial Time||4 seconds|