
lp-451 Rev. 001 Rel. 001 Date 7.25.17
9
Figure 7 - Thermostat Connection
Part 4 - Heater Control and Wiring
A. Control
A surface mount thermostatic control has been provided for accurate
temperature adjustment.
B. Wiring
Wiring is to be done in accordance with all applicable local and state
codes. Turn off all power related to the boiler before starting any
wiring procedures. It is recommended that a disconnect switch be
installed between the boiler control and the water heater.
When wiring the water heater and controls be sure to label all wires
to ease future maintenance. Wiring errors can cause improper and
dangerous operation.
A thermostat connection has been provided on the top of the water
heater for easy wiring and accurate control. See Figure 7. Connect the
wires from the thermostat to the terminals (Positive) or -
(Negative).
POSITIVE
NEGATIVE
LP-451-H
03/29/17
C. Wiring Diagrams
Figure 8 - Wiring with Circulators
Figure 9 - Wiring with Zone Valves