Installation
Continued
INSTALLING DAMPER CLAMP ACCESSORY FOR VENTED OPERATION
Note: When used as a vented heater, appliance must be installed only in a
If your heater is a
1.The fireplace does not meet the clearance to combustibles requirements for
2.State or local codes do not permit
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 42). 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.
Area of Various Standard Round Flues
Diameter | Area |
|
|
5" | 20 sq. inches |
6" | 29 sq. inches |
7" | 39 sq. inches |
8" | 51 sq. inches |
|
|
Chimney | Minimum Permanent |
Height | Flue Opening |
|
|
6' to 15' | 39 sq. inches |
15' to 30' | 29 sq. inches |
|
|
Damper
Clamp 
Damper
Damper
Clamp 
DamperDamper
Masonry Fireplace | Manufactured Fireplace |
Figure 10 - Attaching Damper Clamp
INSTALLING HEATER BASE ASSEMBLY
WARNING: You must secure this heater to fireplace floor. If not, heater will move when you adjust controls. Moving heater may cause a gas leak.
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 in- sure adequate air flow and guard against sooting and controls be- ingdamaged.Raisefireplacefloor with noncombustible material. Make sure material is secure.
CAUTION: Do not pick up heater base assembly by burn- ers. This could damage heater. Only handle base assembly by grates.
IMPORTANT: Make sure the heater burners are level.
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