Heat Recovery Systems:
Function as emergency recovery ventilation systems.
Exhaust air, though unsuitable for human comfort, may still contain heat energy.
Heat recovery systems use this residual heat instead of disposing of it.
Types of Heat Recovery Systems:
Rotary Thermal Wheels:
Compact, suitable for large sizes, low pressure drop.
Heat Pipes:
Fan location is not critical, no moving parts except the tilt.
Fixed Plate Heat Exchangers:
Easily cleaned, no moving parts.
Runaround Systems:
Allows separation of exhaust airstream from supply air.
Operational Considerations:
Not used when no heat is needed (e.g., during cooling mode).
May be legally required as an energy-saving and climate-friendly measure.
Refrigerant Leak Detection Systems:
Essential for systems that use refrigerants, which can be harmful if leaked.
Purpose: Control unintended emissions and prevent dangerous situations.
Installed to detect and eliminate refrigerant leaks.
Functionality:
Uses sensors to detect refrigerant leaks.
Contains audible and visual alarms to alert of leaks.
Activates exhaust fan to remove noxious gas and prevent accumulation.
Notifies the team of a leak to enable quick identification and repair.
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