5
VENTILATION PERFORMANCE
EXT. STATIC NET SUPPLY GROSS AIR FLOW
PRESSURE AIR FLOW SUPPLY EXHUAST
Pa in. w.c. L/S CFM L/S CFM L/S CFM
25 0.1 110 234 112 237 105 223
50 0.2 106 226 108 229 100 214
75 0.3 102 217 103 220 95 203
100 0.4 98 209 100 212 88 187
125 0.5 92 197 94 200 82 175
150 0.6 86 183 87 185 74 157
175 0.7 79 169 81 171 61 129
17 3/4
SPECIFICATIONS HEAT RECOVERY VENTILATORS PERFORMANCE RATINGS
ENERGY PERFORMANCE
LATENT
RECOVERY/
MOISTURE
TRANSFER
SUPPLY
TEMPERATURE
NET
AIR FLOW
POWER
CONSUMED
WATTS
SENSIBLE
RECOVERY
EFFICIENCY
APPARENT
SENSIBLE
EFFECTIVENESS C° F° L/S CFM
HEATING
0 32 40 84 103 68 77 0.01
0 32 66 140 132 62 68 0.00
0 32 86 182 158 58 64 0.00
-25 -13 34 72 116 61 79 0.03
TOTAL RECOVERY EFFICIENCY
COOLING
35 95 42 89 104
29
SUMMERAIRE MFG.,
PETERBOROUGH, ONTARIO K9J 6X6
MODEL: SHRV190RD
Options Installed: Defrost Internal Dehumidistat
Electrical: 120 V - 1.27 Amp
Exhaust Air Transfer Ratio: 0.014
Low Temp. Ventilation Reduction During -25°C Test: 16%
Maximum Unbalanced Airow During -25°C Test: 14 L/s
20 3/4
FRESH AIR
FROM
OUTSIDE
STALE AIR
TO
OUTSIDE
FRESH AIR
TO
HOUSE
STALE AIR
FROM
HOUSE
225
200
175
150
125
100
75
50
25
0
20 40 60 80 100 120
Supply
Exhaust
Gross Airflow - L/s (CFM = L/s ÷ .47)
Ext. Differential Pressure - Pascals
(IN W.C. = PA ÷ 250)
36