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Getting Started
A. Design and Installation Considerations
WARNING! Risk of Fire or Explosion! Read all instruc-
tions before starting the installation.
Hearth & Home Technologies direct vent gas appliances
are designed to operate with all combustion air siphoned
from outside of the building and all exhaust gases ex-
pelled 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. If Passive
Heat will be installed, consider location of discharge
opening in relation to venting and other construction
materials.
• Gas supply piping requirements.
• Provisions for optional heat management system.
• Electrical wiring requirements.
• Framing and finishing details.
• Whether optional accessories—devices such as a 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.
Hearth & Home Technologies • DVLINEAR36 Installation Manual • 2569-980 Rev. E • 11/20
B. Good Faith Wall Surface
FIREPLACE
OPENING
Figure 2.1 Good Faith Wall Surface Temperatures Above
Appliance
NOTICE: Surface 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 °F (17 °C) or
more depending on the thermometer settings and material
characteristics being measured. Use appropriate finishing
materials that are able to withstand these conditions. For
additional finishing guidelines, see Section 10.
OPTIONAL PASSIVE HEAT KIT INSTALLED
FIREPLACE
OPENING
Figure 2.2 Good Faith Wall Surface Temperatures Above
Appliance with Passive Heat Kit Installed
TO CEILING
107°F
116°F
124°F
36 in.
134°F
30 in.
146°F
24 in.
18 in.
181°F
12 in.
6 in.
MEASUREMENTS FROM
TOP EDGE OF THE OPENING
APPLIANCE FRONT
TO CEILING
85°F
85°F
86°F
36 in.
88°F
30 in.
89°F
24 in.
18 in.
100°F
12 in.
6 in.
MEASUREMENTS FROM
TOP EDGE OF THE OPENING
APPLIANCE FRONT
7
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