7
Heat & Glo • COSMO32-IFT-B, COSMO36-IFT-B, COSMO42-IFT-B Installation Manual • 2619-980 Rev. G • 7/20
2
2
Getting Started
A. Design and Installation Considerations
WARNING! Risk of Fire or Explosion!
Read all instruc-
tions before starting the installation.
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,
fi
re o
ffi
cials 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 con
fi
guration 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
fi
nishing details.
• Whether optional accessories—devices such as a fan,
wall switch, or remote control—are desired.
Improper installation, adjustment, alteration, service or
maintenance can cause injury or property damage. For
assistance or additional information, consult a quali
fi
ed
service technician, service agency or your dealer.
Figure 2.1 Good Faith Wall Surface Temperatures Above
Appliance
B. Good Faith Wall Surface
NOTICE:
Surface temperatures listed above are taken with
a temperature measuring probe as prescribed by the test
standard used for appliance certi
fi
cation. 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
fi
nishing
materials that are able to withstand these conditions. For
additional
fi
nishing guidelines, see Section 10.
Installation and service of this appliance should be performed by
quali
fi
ed personnel. Hearth & Home Technologies recommends
HHT Factory Trained or NFI certi
fi
ed professionals.
If installing a television (TV) above the appliance, see
Section 3 of the appliance Owner’s Manual.
MEASUREMENTS FROM
TOP EDGE OF THE OPENING
6 in.
18 in.
24 in.
30 in.
36 in.
48 in.
TO CEILING
42 in.
12 in.
194°F
APPLIANCE FRONT
FIREPLACE
OPENING
142°F
119°F
110°F
105°F
101°F
98°F
95°F
MEASUREMENTS FROM
TOP EDGE OF THE OPENING
6 in.
18 in.
24 in.
30 in.
36 in.
TO CEILING
12 in.
145°F
FIREPLACE
OPENING
120°F
109°F
104°F
95°F
95°F
OPTIONAL PASSIVE HEAT KIT OR
SMART-WALL
TM
TV KIT INSTALLED
Figure 2.2 Good Faith Wall Surface Temperatures Above
Appliance with Passive Heat or Smart-Wall
TM
Kit Installed
