S and S models provide up to A pilot and A main valve current rating. S and S provide up to A pilot and A main valve current rating. Minimum ambient temperature. rating is ° F [ ° C]. Maximum ambient rating is + ° F [+79 ° C] for S, S and for S, S used with A or less main valve. S, S, S, S APPLICATION. These ignition modules provide ignition sequence, flame. monitoring and safety shutoff for intermittent pilot central. furnaces and heating appliances. S and S mod-. els provide up to A pilot and A main valve current. rating. S and S provide up to A pilot and Honeywell S, S, S, S service manual. APPLICATION, PLANNING THE INSTALLATION, INSTALLATION, CAUTION, CAUTION.
SM Combination A Pilot and A Main None 15 or 90 seconds, as ordered Continuous Retry Spark and pilot gas ON until lightoff or trial for ignition ends. If pilot fails to light, pilot gas and spark OFF (% shutoff). After 5 minute delay, a new trial for ignition is initiated. This sequence. Honeywell S, S, S, S service manual. APPLICATION, PLANNING THE INSTALLATION, INSTALLATION, CAUTION, CAUTION. The SM provides percent gas shutoff, followed. by retry for ignition. Operation on ignition failure is the same. as lockout modules, except that a timer starts timing imme-. diately following shutoff. Six minutes nom. (five minutes. min.) after shutoff, the module restarts the ignition se-. quence.
until flame is proved. If system fails to light on next trial for. ignition, check gas supply, pilot burner,. flame sense wiring, contamination of. flame rod. Cycle “Call for Heat” to restart ignition sequence. SM Combination A Pilot and. A Main. None. 15 or 90 seconds, as ordered. Continuous. Retry. Find many great new used options and get the best deals for Honeywell Honeywell SU Continuous Retry Intermittent Pilot Spark Ignition Module.
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