Install Instructions

5
STEP 3 - Installing the Control Box
• Mount C o n t rol Box in a suitable location near
the boiler’s main electrical panel.
When installed as secondary LWCO on steam boil-
ers, the boiler sight glass must be visible from the
location of the control box.
NOTE
a. Using the flatblade screwdriver or nut driver (C),
loosen the two (2) screws (D) and remove
cover (E).
b. Using the four (4) 3/16" (4.8mm) mounting
holes (F), attach the control (G) to the boiler
jacket, entry plate, or other suitable location.
NOTE: Mounting hardware is not included.
c. Install an electrical conduit (H) to the conduit
knockouts (J). Wire-ways should be able to
accommodate the 120VAC supply circuit, the
remote probe circuit, alarm feeder circuit, and
burner circuit.
Refer to and follow local codes and standards
when selecting conduit and electrical fittings.
Wires from Probe Housing and Control Box must
be in their own conduit. If they are run in conduit
with other wires, there may be interference that
can affect the performance of the control.
NOTE
• Install electrical conduit between P ro b e
H o u s i n g and C o n t rol Box .
Refer to and follow local codes and standards
when selecting conduit and electrical fittings.
Wires from Probe Housing and Control Box must
be in their own conduit. If they are run in conduit
with other wires, there may be interference that
can affect the performance of the control.
NOTE
Wire must be 18 AWG stranded with glass braided
silicone jacket (UL 3071) suitable for high temper-
ature (200˚C) service.
NOTE