Lennox DT3025 Installation Instructions Manual page 11

SEPARATE ROCK WOOL INTO PIECES ABOUT THE SIZE OF A NICKEL. KEEP THE PIECES FLUFFED UP, NOT MATTED,
AND PLACE APPROXIMATELY AS SHOWN IN THIS FIGURE.
NOTE - TOO MANY EMBERS ON THE FRONT BURNER WILL CAUSE POOR COMBUSTION.
8 - Millivolt Wiring (Millivolt Units) -
In applications where the burner switch is to be unit-
mounted in the field -
Install the switch in the gas valve mounted bracket
and wire according to figure 37.
In applications where the burner switch is to be wall-
mounted -
Install a field-provided handy box in a convenient
location adjacent to the appliance. Install the ON/OFF
switch and faceplate and wire according to figure 37.
In thermostat applications -
Install the thermostat in a suitable location and wire
according to figure 37.
9 - 24 Volt Wiring (Electronic Ignition Units) -
In applications where the burner switch is to be unit-
mounted in the field -
Install the ON/OFF switch in the gas valve mounted
bracket and wire according to figure 38.
In applications where the burner switch is to be wall-
mounted -
Install a field-provided handy box in a convenient
location adjacent to the appliance. Install ON/OFF
switch and faceplate and wire according to figure 38.
In thermostat applications -
Install the thermostat in a suitable location and wire
according to figure figure 38.
10 - 120 Volt Wiring -
Millivolt Units - 120 volt wiring is required on Millivolt
units only when a fan kit is being installed. Wire fan
kit according to figure 37.
Electronic Ignition Units All electronic ignition units
require 120 volt wiring. Install wiring according to fig-
ure 38.
When 120 volt electrical power is applied, the ap-
pliance must be electrically grounded according to
PLACEMENT OF EMBER MATERIAL ON FRONT BURNER
FIGURE 10
local codes or, in the absence of local codes, with the
current National Electric Code, ANSI/NFPA No. 70,
in the USA or CSA C22.1 Canadian Electrical Code
in Canada.
11 - Prepare the vent collar for use as indicated in the
venting section. Attach either Lennox flexible or unit-
ized rigid concentric vent to vent collar, at the top
(DT/DTH units) or rear (DR/DRH units), of the ap-
pliance as indicated in the venting section. Vent ter-
minations are indicated in venting section.
12 - Make gas piping connections as indicated in gas pip-
ing section.
Do not operate appliance unless glass frame is
properly installed. Glass must not be broken or
cracked. If glass is damaged, replace with ap-
propriate glass/frame assembly available through
Lennox repair parts. Substitution of any other than
Lennox-specified glass can lead to property dam-
age or personal injury.
13 - Carefully reinstall the glass door. Tighten the three
bolts at the bottom of the door securely.
14 - Install the bustle; in flush-faced model applica-
tions, install the top panel; in louvered-face model
applications, install the louvers.
15 - Remove the eyebrow from its protective wrap-
ping. Slide the eyebrow into the slots on the lower
edges of the radiant panel (flush-faced model ap-
plications) or the lower edges of the cabinet top
(louvered-face model applications).
NOTE - The eyebrow must be used in all applications.
16 - Continue with the procedures indicated in the start-up
and adjustments section.
P a g e 1 1
WARNING