Raypak 85 Boiler User Manual


 
29
Fig. 28
Fig. 27
a = total intake length = 0
b = total flue length = EXHAUST
a = total intake length = INTAKE
b = total flue length = EXHAUST
a = 0
TWO PIPES SINGLE WALL
SEALED COMBUSTION OPERATION
TWO PIPES SINGLE WALL
ROOM AIR DEPENDENT OPERATION