5
Remote Mounted Probe
1.
Connecting a suitable 16 AWG wire (not provided)
to the threaded end (V) of the probe (A).
2.
Place the lockwasher (K) and wing nut (L)
(provided) over the threaded end of the probe
and tighten the wing nut to 1/2 ft•lb (.65 N•m).
3.
Using a flathead screwdriver, attach a suitable
green 16 AWG wire (not provided) to the green
ground screw (X) (provided) at the base of the probe.
4.
Route the two wires through a protected wire
way to the control unit (G) through the conduit
knock-outs in the base of the control.
5.
Using the female quick-connect terminal (QQ)
provided, connect the wire, from step 1, to the male
spade terminal marked “PROBE” (J3). On older
units, use the “P” terminal block or (J2) terminal
spade connection.
6.
Using a flathead screwdriver, connect the green
wire, from Step 3, to the green ground screw (W)
on the housing of the control.
c.
Connect the probe (A) to the wiring circuit by:
L
V
X
A
K
J
W
G
G R
GREEN
J3
S
ON
CIRCUIT
BOARD
STEP 4 - Control Wiring
• To prevent electrical shock, turn off the electrical power before making electrical connections.
• This low water cut-off must be installed in series with all other limit and operating controls installed on the
boiler. After installation, check for proper operation of all of the limit and operating controls, before leaving
the site.
• All work must be performed by qualified personnel trained in the proper application, installation, and
maintenance of plumbing, steam, and electrical equipment and/or systems in accordance with all applicable
codes and ordinances.
Failure to follow this warning could cause electrical shock, an explosion and/or fire, which could result in
property damage, personal injury or death.
!
WARNING
OFF
ON
a.
Turn off all power to boiler and boiler controls.
b.
Electrical Conduit Connection
• Connect electric conduit using knockouts provided.
• Follow accepted electrical practices when installing fittings and making connections.
• Refer to and follow local codes and standards when selecting the types of electrical fittings and conduit.
Do not use "manual reset" models with electric automatic water feeders.
Failure to follow this caution can cause flooding and property damage.
!
CAUTION
