28
Foreman Ductable Dual Fuel Indirect-Fired Heater
4. Locate and remove two H5 hex head screws.
Motor
Mounting
Screws
5. Remove motor.
Solenoid Valve
Solenoid
Disconnect solenoid wires from burner terminal block
#12 and #11.
High Limit Switches
WARNING
Fire Hazard
■ Do not operate the heater with either of the
high limit switches bypassed.
■ Operating the heater with a bypassed high
limit switch may lead to overheating, possibly
resulting in a fire, with subsequent damage to
the heater or property damage.
This heater is equipped with two limit switches. One is
manual reset; the other is an auto-reset. The switches
are located on the side of the heater as shown.
Owner's Manual • Foreman
Both high limit switches should be tested a minimum of
once per year when the heater is given a thorough cleaning.
1. Remove the high limit switch.
2. Apply a small flame only to the sensing portion on the
back of the switch.
TERMINAL
Regulator
Be careful not to melt the plastic housing of the switch when
conducting this test.
3. Within a minute, you should hear a soft click, indicating
the contacts of the switch have opened.
4. MANUAL RESET SWITCH: Allow the switch to cool for
about a minute before firmly pressing its reset button.
AUTO RESET SWITCH: Allow the switch to cool for
about a minute. No need to reset.
5. Check for electrical continuity across the switch terminals
to make sure the contacts have closed.
Auto Reset
Manual Reset
RESET BUTTON
MOUNTING
LEG
SENSING SURFACE