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111161-01A
10
For more information, visit www.desatech.com
For more information, visit www.desatech.com
INSTALLATION
Continued
INSTALLATION
Installing Damper Clamp Accessory For Vented Operation
Installing Heater Base Assembly
INSTALLING DAMPER CLAMP ACCESSORY
FOR VENTED OPERATION
Note:
When used as a vented heater, appliance must be installed
only in a solid-fuel burning fireplace with a working flue and
constructed of noncombustible material.
If your heater is a manually-controlled model, you may use this
heater as a vented product. There are three reasons for operating
your heater in the vented mode.
1. The fireplace does not meet the clearance to combustibles re-
quirements for vent-free operation.
2. State or local codes do not permit vent-free operation.
3. You prefer vented operation.
If reasons number 1 or 2 above apply to you, you must permanently
open chimney flue damper. You must install the damper clamp
accessory (to order, see Accessories, page 28). This will insure vented
operation (see Figure 10). The damper clamp will keep damper open.
Installation instructions are included with clamp accessory.
See chart below for minimum permanent flue opening you must
provide. Attach damper clamp so the minimum permanent flue
opening will be maintained at all times.
Chimney Minimum Permanent
Height (ft.) Flue Opening (sq. ins.)
6' to 15' 39 sq. inches
15' to 30' 29 sq. inches
Area of Various Standard
Round Flues
Diameter (ins.) Area (sq. ins.)
5" 20 sq. inches
6" 29 sq. inches
7" 39 sq. inches
8" 51 sq. inches
Figure 10 - Attaching Damper Clamp
Damper
Clamp
Damper
Manufactured Fireplace
Masonry Fireplace
Damper
INSTALLING HEATER BASE ASSEMBLY
IMPORTANT:
Make sure the heater burners are level. If heater is
not level, heater will not work properly.
WARNING: If installing in a sunken fireplace, special
care is needed. You must raise the fireplace floor to
allow access to heater control panel. This will insure
adequate air flow and guard against sooting and con-
trols being damaged. Raise fireplace floor with non-
combustible material. Make sure material is secure.
CAUTION: Do not pick up heater base assembly
by the burner. This could damage heater. Only handle
base assembly by grates.
WARNING: You must secure this heater to fire-
place floor. If not, heater will move when you adjust
controls. Moving heater may cause a gas leak.
CAUTION: Do not remove the data plates attached
to the heater base assembly. The data plates contain
important warranty and safety information.