Rinnai CAH Series, Instalation And Operating Manual

Page: 11 / 44

Canadian Air Handler Installation and Operation Manual 11
Values shown in following tables may vary depending on the static pressure of the duct system.
Coil Entering
Water
Temperature
(°F)
Flow Rate
(GPM)
Heat Fan Ratio (Air Flow)
Coil Pressure
Drop (PSI)
50%
(800CFM)
Temperature
Differential (°F)
75%
(1200 CFM)
Temperature
Differential (°F)
100%
(1600 CFM)
Temperature
Differential (°F)
120
2 23,100 27 27,500 21 35,400 21 1.42
3 26,000 30 33,600 26 40,300 23 2.36
4 28,000 32 37,500 29 43,900 25 4.38
140
2 33,700 39 42,000 32 47,500 28 1.41
3 37,300 43 48,300 37 56,500 33 2.34
4 38,400 44 54,000 42 62,700 36 4.38
160
2 43,100 50 54,800 42 62,600 36 1.41
3 48,000 56 62,100 48 73,100 42 2.34
4 51,200 59 66,200 51 80,000 46 4.38
Engine
Entering Water
Temperature (°F)
50%
(800CFM)
75%
(1200 CFM)
100%
(1600 CFM)
SENSEI
120
26,600 34,700 41,400
I - Series 28,500 38,400 44,600
SENSEI
140
37,500 49,100 57,400
I - Series 39,100 54,900 64,100
SENSEI
160
47,600 61,600 72,400
I - Series 52,000 67,500 81,700
Maximum Equivalent Piping
Distance (ft)
Flow (GPM) Sensei I - Series
2 200 ft 200 ft
3 150 ft 150 ft
With 20ft or less equivalent piping