Just a thought,
Is there unfinished attic space above 2nd floor?
Is there attic ventilation, such as gable or soffit vents and roof ridge vents to let heat out?
Thanks to all for replies,
Our company, in this instance,is the control device provider and installer.The engineer requesting this requirement is in charge of the control system design and programming.
You have confirmed that the exact device specified is not a standard, readily available...
I am on a job where the control engineer requires manual reset freeze-stats on an ahu that has glycol in both heating and cooling systems.Initially standard freeze-stats were purchased with range of approx 15 to 60 deg with factory stop at 35 deg.The AHU is very large (24 supply "fan wall" fans...