Operating instructions
02/14/2006 5  NI806 
Specification Chart 
Model Number  HE-E-10-21 HE-E-15-21 HE-E-20-21 
Cabinet Width  21” 21” 21” 
kW rating  10 15 20 
Btu/h  34000 51000 68000 
Voltage/Phase  240/1 240/1 240/1 
Circuit Breaker  60  1-60, 1-30  2-60 
Amps per CB  42  42, 21  42, 42 
Source Feed  1 2 2 
Elements  4 6 8 
Relays  2 4 6 
Heat CFM*  600 (LO)  900 (M)  1200 (HI) 
Max. Temp. Rise  45° F  45° F  45° F 
Shipping Weight  
Product Dimensions 










