Water Heater Applications
Plumbing and Wiring Instructions
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Trinity Lx
17
Figure 3-1(b) Lx500-800 Model
Line Voltage Field Wiring
Table 3-1(b)
Line Voltage Field Connections (Lx500-800)
Connection
Location
Description
L1 (120VAC)
1
120VAC Hot
- Location for connecting line voltage of the power supply. Note most
installation codes require the installation of a service switch to break line voltage to the
appliance.
L2
(Neutral)
2
120VAC Common
- Location for connecting neutral of the power supply and circulator.
Ground
3
120VAC Ground
- Location for connecting ground of the power supply and circulator.
No
n
-Po
wer
ed
Dr
y
C
o
n
tacts
PUMP
A
4
Not used.
5
PUMP B
6
DHW Demand
- Dry Contact for Water Heater circulator; Coil B powered during tank
demands.
7
PUMP C
8
Not used.
9
