4. Wiring Fan to the Fire Panel

 Dry Contacts: Normally Closed

• On the Terminal Strip mounted to the outside of the VFD enclosure a Jumper will be in place on terminals “S” and “C”. Remove the Jumper from terminals “S” and “C”.
• Connect the wires coming from the Fire Panel to terminals “S” and “C”.

Normally Energized

• On the Terminal Strip mounted to the outside of the VFD enclosure a Jumper will be in place on terminals “S” and “C”. Remove the Jumper from terminals “S” and “C”.
• Connect a wire from terminal “S” to “SA” on the Fire Relay Terminal
• Connect a wire from terminal “C” to “C” on the Fire Relay Terminal
• Apply 12-40VDC from Fire Panel to Fire Relay Relay has a 20mA draw.

Normally Unenergized

• On the Terminal Strip mounted to the outside of the VFD enclosure a Jumper will be in place on terminals “S” and “C”. Remove the Jumper from terminals “S” and “C”.
• Connect a wire from terminal “S” to “SB” on the Fire Relay Terminal Strip
• Connect a wire from terminal “C” to “C” on the Fire Relay Terminal
• Apply 12-40VDC from Fire Panel to Fire Relay Relay has a 20mA draw.

Normally Energized/Unenergized

Dry Contacts