Desa VRL30NT Installing Damper Clamp Accessory for Vented Operation, Remote-Ready Models Only

Models: VRL30NT VRL24PT CSG3924NT VRL30PT VRL24NT CTB3924PT VRL24NR, VRL24PR, VRL30NR, VRL30PR, CSG3924NR, CSG3924PR, CTB3924NR, CTB3924PR, VRL24NT, VRL24PT, VRL30NT, VRL30PT, CSG3924NT, CSG3924PT, CTB3924NT, CTB3924PT

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INSTALLATION

Installing Damper Clamp Accessory For Vented Operation Installing Heater Base Assembly

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INSTALLATION

Continued

INSTALLING DAMPER CLAMP ACCESSORY FOR VENTED OPERATION

(Remote-Ready Models Only)

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, 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 34). 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.

INSTALLING HEATER BASE ASSEMBLY

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.

WARNING: If installing in a sunken fireplace, spe- cial 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 noncom- bustible material. Make sure material is secure.

CAUTION: Do not pick up heater base assembly by burners. This could damage heater. Only handle base assembly by sides of base.

IMPORTANT: Make sure the heater burners are level. If heater is not level, heater will not work properly. For thermostat models, avoid damage to thermostat bulb. Avoid nicks or sharp bends in thermostat bulb wire. Keep thermostat bulb in mounting bracket until ready to mount base to floor. See Optional Positioning of Thermostat Sensing Bulb, page 27.

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

 

 

Chimney

Minimum Permanent

Height (ft.)

Flue Opening (sq. ins.)

 

 

6' to 15'

39 sq. inches

15' to 30'

29 sq. inches

 

 

D

Damper Clamp

DamperDamper

Damper

Installation Items Needed

hardware package (provided with heater)

approved flexible gas hose and fitting (not provided) (if allowed by local codes)

sealant (resistant to propane/LP gas, not provided)

electric drill with 3/16" drill bit (metal or masonry as applicable)

flathead screwdriver

1.Connect fitting to base as shown in Figure 11. Connect approved flexible gas hose to fitting in base (see Figure 11). IMPORTANT: Hold gas fitting with wrench when connecting flexible gas hose.

Flexible Gas Hose (if

 

allowed by local codes)

Fitting

Masonry Fireplace

Manufactured Fireplace

Figure 11 - Attaching Flexible Gas Hose to Heater

Figure 10 - Attaching Damper Clamp

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110021-01A

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Desa VRL30NT, VRL24NT, CTB3924PT Installing Damper Clamp Accessory for Vented Operation, Installing Heater Base Assembly

VRL30NT, VRL24PT, CSG3924NT, VRL30PT, VRL24NT specifications

Desa VRL24NR, VRL24PR, VRL30NR, VRL30PR, CSG3924NR, CSG3924PR, CTB3924NR, CTB3924PR, VRL24NT, VRL24PT, VRL30NT, VRL30PT, CSG3924NT, CSG3924PT, CTB3924NT, and CTB3924PT are a series of innovative heating solutions that cater to various residential and commercial needs. These models are designed to provide efficient, reliable, and aesthetically pleasing heating options.

One of the key features across these models is their advanced heating technology. They utilize cutting-edge infrared heating systems that ensure consistent and effective warmth. This technology not only heats up spaces quickly but also provides energy savings compared to traditional heating methods. Additionally, many models are equipped with programmable thermostats allowing users to set their desired temperature and schedule, enhancing convenience and energy efficiency.

Another hallmark of these models is their versatility in installation. The options for both vent-free and vented designs provide flexibility for various environments. Users can choose vented models for additional safety and air quality control, or opt for vent-free units that are easier to install in areas without existing ventilation systems. The range of configurations helps accommodate different space sizes and heating requirements.

In terms of design, the Desa heating solutions are crafted with aesthetics in mind. Many models feature sleek exteriors and elegant finishes, making them suitable for integration into modern or traditional interior designs. This commitment to design ensures that users do not have to sacrifice style for functionality.

Durability and reliability are emphasized throughout the line. Constructed with high-quality materials, these models are built to withstand the test of time and can function effectively under varying environmental conditions. Users can have peace of mind with warranties and support from the manufacturer.

Safety is another crucial aspect of these heating solutions. Each model is designed with safety features like automatic shut-off systems, making them safe for family use even in occupied living spaces.

In summary, the Desa VRL and CSG series offers a broad selection of heating solutions characterized by advanced infrared technology, versatile installation options, stylish designs, and robust safety measures. Whether for residential or commercial purposes, these models are engineered to meet diverse heating needs efficiently and reliably.