How is the S-Flex wired to use or not use the Smoke Purge feature?
Issue:
Wiring S-Flex for the Smoke Purge feature.
Product Line:
S-Flex
Environment:
S-Flex with Bypass option
Cause:
Wiring to enable or disable smoke purge
Resolution:
All S-Flex Series E units that have the BYPASS option will also have a SMOKE PURGE feature, although it is disabled. To enable the smoke purge function, simply remove the jumper from terminals 3-4 and place it on terminals 9-10. This feature includes a smoke purge relay, SPR, that is activated by applying 120Vac across terminals 17-18. When activated, SPR contacts will disable the AFC / BYP controls and energize the bypass contactor coil. The motor will run with full voltage AC power.
Wiring S-Flex for the Smoke Purge feature.
Product Line:
S-Flex
Environment:
S-Flex with Bypass option
Cause:
Wiring to enable or disable smoke purge
Resolution:
All S-Flex Series E units that have the BYPASS option will also have a SMOKE PURGE feature, although it is disabled. To enable the smoke purge function, simply remove the jumper from terminals 3-4 and place it on terminals 9-10. This feature includes a smoke purge relay, SPR, that is activated by applying 120Vac across terminals 17-18. When activated, SPR contacts will disable the AFC / BYP controls and energize the bypass contactor coil. The motor will run with full voltage AC power.
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