The Correction Ratio Of Exchange Efficiency - Daikin VAM-FA8VE Technical Data Manual

7 Product
1
7-3

The correction ratio of exchange efficiency

7
1.2
1.1
1
0.9
0.8
0.7
0.6
0.5
0.7
88
• HRV • VAM-FA8VE
Specification)
0.8 0.9 1.0 1.1 1.2
Supply air flow rate / exhaust air flow rate
<Example of correction>
VAM500 (50Hz):
Supply air and exhaust air flow rate for fresh-up mode:
Supply air flow rate / Exhaust air flow rate = 550 / 500 = 1.1
(Cooling) Enthalpy exchange efficiency from above Table
• HRV • Heat Reclaim Ventilation
1.3 1.4 1.5 1.6 1.7
C: 4D023764 + 4D023764
Air flow rate at strong notch 500 m
(Cooling) Enthalpy exchanging efficiency
58%
58 × 0.96 = 55.6%
Correction ratio
Exchange
efficiency
less than 50%
70%
90%
1.8 1.9 2.0
3
/h