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User manual Thermo Products, model CDX1-75N

Manafacture: Thermo Products
File size: 1.95 mb
File name: 13884180-1610-482f-84f2-a62347e8c45f.pdf
Language of manual:en
Free link for this manual available at the bottom of the page



manual abstract


: This furnace is not to be used for temporary heating of buildings or structures under construction. Many of the chemicals used during construction, when burned, form acid bearing condensate that can substantially reduce the life of the heat exchanger. A. CODES AND CLEARANCES The following items must be considered when choosing the size and location of the furnace. 1. All local codes and/or regulations take precedence over the instructions in this manual and should be followed accordingly. In the absence of local codes, installation must conform with these instructions, regulations of the National Fire Protection Association, provisions of National Electrical Code (ANSI/NFPA70 or latest edition), and the National Fuel Gas Code (ANSI Z223.1 or latest edition). 2. The BTU output capacity of the furnace proposed for installation should be based on a heat loss calculation made according to the manuals provided by the Air Conditioning Contractors of America (ACCA) or ASHRAE. 3. MINIMUM CLEARANCES TO COMBUSTIBLE MATERIALS TABLE 1 MODEL NO. FROM SIDES OF FURNACE & REAR FRONT TOP OF PLENUM FROM THE FLUE OR VENT SIDE OF PLENUM CHX1-75 0 IN. 6 IN. 0 IN. 0 IN. 1 IN. CHX1-100 0 IN. 6 IN. 0 IN. 0 IN. 1 IN. CHX1-125 0 IN. 6 IN. 0 IN. 0 IN. 1 IN. CDX1-75 0 IN. 6 IN. 0 IN. 0 IN. 1 IN. CDX1-100 0 IN. 6 IN. 0 IN. 0 IN. 1 IN. CDX1-125 0 IN. 6 IN. 0 IN. 0 IN. 1 IN. The CHX1-75, 100 and 125 furnaces may be installed on combustible flooring. The furnace shall not be installed directly on carpeting, tile or other combustible material other than wood flooring. The CDX1-75, 100 and 125 furnaces are to be installed on non-combustible flooring only. The noncombustible floor bases model no. 50 CA base for CDX1-75 model no. 100 CA base for the model no. CDX1-100 and model no. 125 CA base for CDX1-125 are available for the counterflow furnaces to allow their installations on combustible flooring. These furnaces may be installed in an alcove or in a closet if the minimum clearances to combustible construction (listed previously) are met. The CDX1 series furnaces may be installed in an attic or crawl space. Refer to section III, B1 of this installation manual. The minimum clearances are listed for fire protection. Clearance for servicing the front of the furnaces and to all points on the furnace requiring access must be 24”*. *For horizontal furnace installation, refer to section III, B1 of this installation manual. 6 All installations and services must be performed by qualified service personnel. Equipment must be installed in accordance with regulations of the National Board of Fire Underwriters. Authorities having jurisdiction should be consulted before installations are made. B. FURNACE LOCATION : These high efficiency condensing furnaces are not certified for and shall not be vented into a standard or any type of chimney. The following shall be considered for locating the furnace: 1. For best performance locate the furnace so that it is centralized with respect to the duct system and as near as possible to a floor drain since condensate drainage must be provided. 2. Place the unit so that proper venting can be achieved, with a minimum number of elbows, in accord with the instructions in this manual. 3. The furnace must be located on a level, dry surface. The furnace must be installed so that the electrical components are protected from water. If the area becomes wet or damp at times, the furnace should be raised above the floor using a concrete base, bricks, patio blocks, etc. NOTICE: Ensure furnace is level after installation to ensure proper drainage and operation. 4. This furnace must be connected to a drain in accordance with these instructions. If it is not practical to connect the unit to a drain, a condensate pump must be used and can be ordered as an accessory, part number 350225. If an acid neutralizer kit is required by local code or the customer, it is available under part number 320095. B1. CDX1 HORIZONTAL APPLICATION The CDX1-75, 100, and 125 furnaces may be installed in a horizontal position by placing the furnace on the left or right side (as viewed from the front in the upright position). For left or right horizontal applications of the CDX1 series units, the rollout switch located on the burner box must be moved to the pre-punched mounting holes on the side of the burner box. Screws are provided in pre-punched holes at the required limit location. Remove these screws and use them to mount the limit to new location. Utilize previously removed limit mounting screws to fill voided holes at previous limit location (See Figure 1). For a right side horizontal application of the CDX1 series units, the hose from the single tap pressure switch (top switch) is already connected correctly (See Figure 1). For a left side horizontal application of the CDX1 series units, the hose from the single tap pressure switch (bottom switch) must be moved to the lower front tap on the face of the collector box. Use the black cap removed fro...

Other models in this manual:
Electric Heaters - CDX1-100N (1.95 mb)
Electric Heaters - CDX1-125N (1.95 mb)
Electric Heaters - CHX1-100N (1.95 mb)
Electric Heaters - CHX1-125N (1.95 mb)

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