Installation Manual
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 










