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414 HWY 25  MONTICELLO

SERVING THE TWIN CITIES SINCE 1971!

DJS Companies HVAC Fireplace and Spa
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Features

-
DJS STOCKING THE CB-50 50.000BTU

- Single stage or two stage modulation input
Natural or propane gas
- U-tube design for uniform energy distribution
- Compact size for easy installation from 6' to 16' above floor
- Ideal for small and hard-to-heat areas
- Ideal for lower mounting heights

SIDES = 12"

FRONT = 40"

REAR = 4"

CEILING = 4"

BELOW = 57"

ENDS = 8"

Cold Blocker CB Series - CB 50 50.000BTU INFRARED HEATER

         Certified for Residential and Commercial Installations

6060 LABEAUX AVENUE NE

ALBERTVILLE SHOWROOM

MONTICELLO SHOWROOM

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1-800-428-1431

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HOME> HEATING & COOLING > SPACE RAY INFRARED

Pull-Through System (negative pressure or vacuum)

Pull-through system -- the products of combustion are pulled through the combustion chamber for increased radiant efficiency and greater safety
CSA certified for vertical or horizontal venting
CSA certified for maximum 75 ft. horizontal sidewall venting
4" O.D. flue connection
Draft inducer is equipped with permanently lubricated, totally enclosed, fan cooled and heavy duty ball bearing motor for maintenance free operation
Draft inducer assembly can be used for through- the-roof-venting or rotated 45 degrees or 90 degrees for horizontal venting

Burner System

One piece cast iron burner
10 year limited warranty on burner
Inside or optional outside air for combustion
CSA certified for 50 ft. outside combustion air inlet duct
4" O.D. standard combustion fresh air inlet duct opening
Burner inspection sight glass
State-of-the-art step opening combination gas valve for quiet ignition
Diaphragm Air Proving Switch -- a safety device for proof of

venting before gas flow and ignition
Spark ignition system with 100% Gas Shut-Off Safety Control (30 second pre-purge)
36" Stainless Steel flexible gas connector included with control box

Radiant Emitter Tube System

All radiant emitter tubes are 3" O.D
Aluminized steel emitter tubes are calorized for long life and high radiant efficiency -- will not flake or peel, and are corrosion resistant
The calorization process (PDF) produces an emitter tube which is highly radiant absorptive on the interior and highly radiant emissive on the exterior
5 year limited warranty on the emitter tubes

Reflector System

Fully factory pre-assembled on tube body to minimize field assembly and save installation labor cost
Highly efficient aluminum reflectors with reflectivity rating of 97%
Reflector ends are enclosed for maximum radiant heat output and minimum convection loss
Easy to use mounting brackets
Suitable for horizontal or angle mount up to 45 degrees

Other

3 Monitoring light system for on line diagnosis- power on, insufficient air flow, and ignition sytem operation
Uncomplicated maintenance access
Quick slip-on electrical connectors
1/2" MPT gas inlet connection
CSA approved for indirect vented operation- commercial installations only
Optional deflector kit for reduced clearances to combustible materials
Optional decorative grille kit for drop ceiling applications
Optional side reflector kits
CSA Certified according to ANSI Z83.20 and CSA 2.34. Certified for Residential and Commecial Use

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NOTE:
In U.S., the clearances below with deflector are: CB(50,40) – 42" and CB(30,20) – 33"
In Canada, the clearances below the heater are: CB(50,40) – 48" (36" with deflector) and CB(30,20) – 36" (27" with  deflector)
Maintain 30" side clearance with deflector

VENTING REQUIREMENTS
In residential applications, heaters must be vented outside the building with a flue pipe. In commercial applications, heaters can be common vented, vented or indirect vented. A vented installation must be vented outside the building with a flue pipe. An indirect vented installation requires a minimum ventilation flow of 4 CFM per 1000 BTU/hour of total installed heater capacity on natural gas by either gravity or power ventilation (4.18 CFM per 1000 BTU/hour on propane).

INSTALLATION REQUIREMENTS

Installation and service must be performed by a licensed contractor. The installation must conform to local codes. In the absence of local codes, the installation must conform with the National Fuel Gas code, ANSI Z223.1 (latest edition also known as NFPA54) or GCA B149 (latest edition) installation codes. These codes are available from the National Fire Protection Association, Inc., Batterymarch Park, Quincy, MA 02269 or the Canadian Gas Association, 55 Scarsdale Road, Toronto, Ontario M3B 2R3, CANADA.

MINIMUM CLEARANCES TO COMBUSTIBLES