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4-4-4. HEAT EXCHANGE EFFICIENCY
HOW TO CALCLATE HEAT EXCHANGE EFFICIENCY
three categories.
Item Formula
Temperature Exchange
Temperature Exchange
X 100
X 100
<How to calculate air conditions after passing through the heat exchange unit>
Intake Side
Temperature
Exhaust Side
Temperature
Outdoor
Indoo
r
Fresh External Air
(OA)
Stale Indoor
A
ir (RA)
Heat Exchange
Element
Heat-exchanged
Clean Air Taken
Inside
Heat-exchanged
Stale Air Ex-
hausted