18
8.
Snap fitting leak.
a.
Replace o-ring.
b.
Replace fitting.
9.
System freezes.
a.
Shut system off. Turn pump off.
b.
Slowly thaw with forced air heat.
WARNING!
DO NOT ATTEMPT TO THAW WITH OPEN FLAME
10.
Overheating.
a.
Faulty sensor.
b.
Faulty relay(s).
c.
Insufficient flow of water. (Check flow requirements for size of hose.)
11.
Underheating.
a.
Too much water flow. (Check flow requirements for size of hose.)
b.
Low fuel pressure. (120 psi at the regulator.)
c.
Fuel nozzle too small.
d.
Soot on coil.
12.
No PSI on manifold.
a.
Open gate valve.
b.
System frozen.
c.
Cracked coil.
13.
No power to heater.
a.
Check electrical connection.
b.
Push system by-pass switch.
WARNING!
IF SYSTEM FIRES, THERE IS A FAULTY CIRCUIT.
DO NOT OPERATE!
