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Why Totalization is Critical in BAS (and the 168-Hour Cycle Rule)

Building Automation Systems are not just about switching things on and off — they’re about giving operators the insight to manage equipment wisely. This is where totalization becomes a game-changer.

🔹 Run-Time Totalization
Every pump, fan, or chiller has a design life. By tracking total run hours, operators can benchmark equipment against the 168-hour weekly cycle (24×7 operation).

👉 If a fan shows only 40 hours in a week, it signals under-utilization.
👉 If it logs 190 hours, there may be overload or sequencing issues.

This helps balance loads, rotate equipment, and schedule preventive maintenance before failures occur.

🔹 Consumption Totalization
Daily, weekly, and monthly totals for energy, water, or gas turn invisible costs into measurable insights. This is key for sustainability compliance and controlling operating expenses.

🔹 Event Totalization
Tracking the number of starts/stops in a 168-hour window highlights short-cycling problems, which accelerate wear and waste energy.

💡 Why it matters:
1. Prevents unexpected breakdowns
2. Optimizes equipment rotation
3. Reduces energy bills
Supports sustainability goals

👉 In BAS, automation without totalization is like driving without a dashboard or without efficient plan

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