Specifications

JOHNSON CONTROLS
2-38
FORM 102.20-N1 (1109)
Installation
Gas Heat Option
Wiring of this device is the responsibility of the installer
if Single Point Power was not selected.
Panel locations and sizes vary based upon unit size and
burner congurations.
Burner voltage is selected to match primary unit
voltage.
Modulation control voltage to be 2-10 VDC as
standard.
Electrical penetrations can come through the oor
or side wall panels. Any penetration will have to
be drilled and must be properly sealed to keep out
moisture. Refer to IOM Section 5 “Field Penetrations
for Piping and Electrical Connections”.
Make power connections per wiring diagrams,
provided inside burner control panel. Also see generic
diagrams in IOM Section 6. Refer to Fig. 2-56 and
Fig. 2-57 for Gas Burner component locations.
Terminal Strip for Power
and Controls.
FIG. 2-57 – MAIN POWER AND CONTROL PANEL
W/ COVER OPEN
LD11597
FIG. 2-56 – GAS BURNER COMPONENT LOCATIONS
LD11596B
Inside of XTO Gas
Burner Pipe Chase.
Draft Damper
Adjustable Quadrant
Main Power and Control
Termination Panel w/ Gas
Burner ID and Ratings
Plate (see Fig 2-50 for
internal view).
Burner Control Panel
(contains Factory Test
Data Sheet,
Manufacturers IOM
and Burner Control
System.)
ID Fan
ID Fan Motor
Flue Connection
Safety Limits
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