CSA 112395

• The control communicates directly with the ST9160 electronic fan timer (EFT) in typical forced warm air furnace applications It can directly interface with the appropriate power supplies and a system thermostat for additional appliance applications Controlled directly by a thermostat, the control does not provide a post-purge function, as power to the control is removed when the thermostat call for heat ends 0 to 90 deg in any direction from the upright position of the gas control knob, including vertically-mounting Universal tradeline value 2 s at 5 uA flame failure response time 15 s pre-purge time 17/27 s ignition sequence HSI flame sense, ignition source Four trials ignition to lockout 7 s ignition trial time Norton 271 typical ignition hardware Straight through configuration

The SmartValve® system controls combine gas flow control and electronic direct main burner ignition sequencing functions into 1-unit. The ignition source is 120 V hot surface igniter lighting the main burner flame. Provides all gas ignition safety functions by controlling gas flow, ignition source and a 120 VAC combustion air blower. The control also monitors the appliance airflow proving switch circuit and limit string to assure proper appliance operation. The SmartValve® system controls provide prepurge, postpurge and timed trial for ignition with multiple ignition trials and auto-reset from lockout. Diagnostic led indicates system status.