Tjernlund HS-3C Canadian 8504002 Rev 2 09/97 - Manual (Page 8)

MODELS HS-3C CONNECTION DIAGRAMS WITH SINGLE APPLIANCE
The diagrams below represent common ways in which the HS-3C Power Venter is interlocked to 24V controlled appliances. Variations
of these diagrams are acceptable as long as the Fan Proving Switch isolation circuit is wired to disable the gas valve if a venting mal-
function should occur.
7
HS-3C CONNECTED TO APPLIANCE WITH SPARK IGNITION
HS-3C CONNECTED TO A BOILER