What is the purpose of the equipment start-up checklist in 62.1?

• A. A log of annual maintenance tasks only.
• B. A guideline for energy conservation measures after occupancy.
• C. A record of filter replacement intervals only.
• D. A checklist to confirm all HVAC equipment starts and reaches design conditions before occupancy.

Answer: (D)

The purpose of the equipment start‑up checklist is to verify that every HVAC system component can start reliably and bring the entire system to its design operating conditions before occupancy. In ASHRAE 62.1 contexts, this fits with commissioning activities that ensure the ventilation system can deliver the required outdoor air and maintain proper IAQ as soon as people occupy the space. The checklist checks that all equipment starts correctly, that the system can reach the intended supply air temperatures and flow rates, that dampers, valves, and controls move to their proper positions, and that sensors and control sequences respond as designed. It helps catch startup issues that could lead to inadequate ventilation, discomfort, or wasted energy once the space is occupied.

This isn’t merely a log of annual maintenance tasks, which serves a different purpose of tracking ongoing upkeep. It isn’t limited to post-occupancy energy conservation guidance, since the primary aim is to confirm the system can actually meet design conditions before anyone uses the space. It also isn’t just a record of filter replacement intervals, which is a narrow maintenance item. The start‑up checklist focuses on confirming proper operation and readiness to deliver required ventilation and conditions at occupancy.