Re-Verber-Ray LD Series Installation Manual page 34

3.0 Installation • Electrical Requirements
Wiring
Electric Shock
Field wiring to the tube heater must be connected and grounded in accordance with national,
state, provincial, local codes and to the guidelines in the Tube Heater General Manual and
Series Insert Manual. In the United States refer to the most current revisions to the ANSI/NFPA
70 Standard and in Canada refer to the most current revisions to the CSA C22.1 Part I Standard.
Figure 3.1 • Field Wiring Diagrams
A. Single Heater, Single Thermostat. No Relay Board (white label)
NOTE: If optional yellow
control cord is installed,
the following colors apply:
24V - Green
Low - White
High - Black
24V N
Thermostat
B. Multiple Heaters, Single Thermostat. With a Relay Board (HLRB orange label)
NOTE: If optional yellow
control cord is installed,
the following colors apply:
24V - Green
Low - White
High - Black
24V N
Thermostat
Additional wire is needed
on thermostats that
require constant power.
WARNING
!
24V
1/4" spade terminals
required (field supplied)
Low High
1/4" spade terminals
required (field supplied)
Low High
External transformer
(field supplied)
Label with a
white crescent
1
2
LO HI
Ground screw
on control box
Additional wire is needed on thermostats
that require constant power.
1 2
LO HI
1
2
24V
LO HI
120V
1
2
LO HI
34
To 120VAC
Grounded Outlet
Label with an
orange crescent
To 120V
Grounded
LD Series
Outlet
Burner Control Box
To 120V
Grounded
LD Series
Outlet
Burner Control Box
To 120V
Grounded
LD Series
Outlet
Burner Control Box
LD Series
L1
N