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2
Getting Started
A. Design and Installation Considerations
Heat & Glo direct vent gas appliances are designed to
operate with all combustion air siphoned from outside of
the building and all exhaust gases expelled to the outside.
No additional outside air source is required.
Installation MUST comply with local, regional, state and
national codes and regulations. Consult insurance carrier,
local building inspector, fire officials or authorities having
jurisdiction over restrictions, installation inspection and
permits.
Before installing, determine the following:
• Where the appliance is to be installed.
• The vent system configuration to be used.
• Gas supply piping requirements.
• Electrical wiring requirements.
• Framing and finishing details.
• Whether optional accessories—devices such as a fan,
wall switch, or remote control—are desired.
Installation and service of this appliance should be performed by
qualified personnel. Hearth & Home Technologies recommends
HHT Factory Trained or NFI certified professionals.
Improper installation, adjustment, alteration, service or
maintenance can cause injury or property damage. For
assistance or additional information, consult a qualified
service technician, service agency or your dealer.
6
Heat & Glo • SL-5F, SL-7F Installation Manual • 2499-980 Rev. L • 10/19
B. Good Faith Wall Surface
FIREPLACE
OPENING
Figure 2.1 Good Faith Wall Surface Temperatures Above Appliance
(SL-5F/SL-7F)
NOTICE: Temperatures listed above are taken with a temperature
measuring probe as prescribed by the test standard used for
appliance certification. Temperatures on walls or mantels taken
with an infrared thermometer may yield increased temperatures of
up to 30 degrees or more depending on the thermometer settings
and material characteristics being measured.
TO CEILING
116°F
117°F
120°F
122°F
48 in.
42 in.
125°F
36 in.
128°F
30 in.
132°F
24 in.
18 in.
142°F
12 in.
6 in.
MEASUREMENTS FROM
TOP EDGE OF THE OPENING
APPLIANCE FRONT
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