Automation survey

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This checklist is to help us understand what components and infrastructure may be in place that can be re-used to update your bell ringing system.

Power available

• Single Phase (220, 230, 240 or other VAC): Two hot legs, optional Neutral?
• Three Phase (208, 212 or other VAC): Three hot legs
• Existing circuit breaker Amperage
• Supply lead gauge

Controls

• Manufacturer
• Mechanical or digital?
• Condition and type of control cabling to tower
• Relay panel
  • Nearby power disconnect?
  • Panel dimensions H x W (cabinet Depth)
    • Panel mounting bolt size, center to center dimensions
  • Rectifiers (DC pulses) on clapper/hammer outputs?

Bell Equipment

Provide surveys for each bell with at least its diameter and mounting method (photos). Also provide recordings of each bell when possible.

Swinging bells

• Bearing type on axles
• Wheel materials and diameter
• Existing motor
  • HP rating
  • RPM rating
  • Number of teeth on chain cog

Clappers and hammers

• Internal or external to the bell
• Mounting description
• Solenoid/Magnet style
  • Coil DC resistance (if less than 35 Ohm, high current output option is required)