I live in Minnesota, and this time of year is bone-chillingly cold, dark more than 15 hours a day, and a potential nightmare for new HVAC system operators. With the onset of winter, I frequently hear stories of frozen pipes/components in new HVAC systems or in HVAC systems with new operations personnel. Sometimes these events are the result of failed hardware or controls; however, sometimes the freeze-ups are the result of insufficient training and/or documentation of how a system needs to be winterized.
The industry standard commissioning process includes development of a systems manual to supplement the equipment O&M manuals provided by equipment manufacturers. The systems manual is intended to document at least the following information about each commissioned system: