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Orient the heater so that the vent pipe does not interfere with adjustment of the operating controls. The operating control panel located on top of the jacket can be rotated for convenient access to the control panel. Table 1: Corrosive Vapors and Possible Causes Area Likely Contaminants Chlorinated swimming pools and spas Pool or spa cleaning chemicals. Acids, such as hydrochloric or muriatic acid New construction and Glues and cements, remodeling areas construction adhesives, paints, varnishes, and paint and varnish strippers. Waxes and cleaners containing calcium or sodium chloride Beauty parlors Permanent wave solutions, bleaches, aerosol cans containing chlorocarbons or fluorocarbons Refrigeration plants or Refrigerants, acids, glues various industrial and cements, construction finishing and processing adhesives plants Dry cleaning and Bleaches, detergents, or laundry areas laundry soaps containing chlorine. Waxes and cleaners containing chlorine, calcium or sodium chloride COMBUSTION AND VENTILATION AIR SUPPLY For shelter installation, the heater requires air supply openings for ventilation and combustion. The minimum requirements are for two (2) openings: one 12 inches (30cm) from the ceiling for ventilation air and one 12 inches (30cm) from the floor for combustion air, in accordance with the latest edition of ANSI Z223.1, or the National Fuel Gas code, the CSA B149.1, Natural Gas and Propane Installation Codes, as applicable, and any local codes that may apply. The minimum net free area in square inches shall be as follows: Table 2: Combustion and Ventilation Air Requirements Model All Air From Inside Building All Air From Outside Building Combustion Vent Combustion Vent 200 200 sq. in. 1,291 sq. cm. 200 sq. in. 1,291 sq. cm. 50 sq. in. 323 sq. cm. 50 sq. in. 323 sq. cm. 333 333 sq. in. 2,149 sq. cm. 333 sq. in. 2,149 sq. cm. 84 sq. in. 542 sq. cm. 84 sq. in. 542 sq. cm. 400 400 sq. in. 2,581 sq. cm. 400 sq. in. 2,581 sq. cm. 100 sq. in. 645 sq. cm. 100 sq. in. 645 sq. cm. OUTDOOR SHELTER VENT INSTALLATION (Canada) or INDOOR INSTALLATION (U.S.) Always vent the heater to the outdoors. •Vent it horizontally or vertically using a Special Gas Vent, (see Table 4, Page 14), or •Vent it vertically using Type “B” double wall vent connector pipe. Locate the heater so as to minimize the length of horizontal venting and the number of vent elbows required. Horizontal vent runs must slope up 1/4” per foot (2cm/M) from the heater to allow exhaust condensate to drain and must have a condensate drain as described in the venting installation instructions. Combustion Chamber Flue Collar 4" x 8" Metal Flue Collar Vent Body Clean the Interior Surface Vent Pipe Clean and RTV This Surface 2855 0597 RTV FIGURE 11: Flue Collar 11 OUTSIDE VENT COVER REMOVAL The heater is supplied from the factory with a built-in stackless outside vent for outdoor installation. Remove the outside vent cover for outdoor shelter installation. VERTICAL VENTING - NEGATIVE PRESSURE (See Figures 11 and 12) Vent the heater vertically in a negative pressure (positive draft) system in accordance with the National Fuel Gas Code, ANSI Z223.1/NFPA 54 and/or CSA B149.1, National Gas and Propane Installation Codes, and local codes. Type “B” Double-wall vent connector is recommended; however sin- Flue Collar to the Vent Body. Before connecting the metal Flue Collar to the Vent Body, wet a clean cloth or paper towel with isopropyl alcohol (rubbing alcohol) and vigorously wipe the socket of the Vent Body. Immediately wipe the cleaned surfaces dry with a clean cloth or paper towel. Repeat for the exterior of the 4” end of the metal Flue Collar. Attach the metal Flue Collar to the Vent Body using the RTV supplied with the kit, following the vent manufacturer’s instructions (included with kit). Do not use a draft hood with this heater. 3. Attach the vent pipe to the metal Flue Collar with sheet-metal screws. Metal Flue Collar Sta-Rite Part No. 4x6” 77707-0076 4x8” 77707-0077 Table 3: Permitted Minimum and Maximum Vent Heights By Size and Heater Model Read “VERTICAL VENTING – NEGATIVE PRESSURE” (above) before using this table. Vent Size Type B Double Wall Vent With Type B Double Wall Connector In Feet (Meters) Model 200 Model 333 Model 400 Min. Height Max. Height Min. Height Max. Height Min. Height Max. Height 6 in. 7 in. 8 in. 9 and 10 in. 6 Ft. (1.8) 100 Ft. (30.5) 30 Ft. (9) 100 Ft. (30.5) Not Rec. Not Rec. 6 Ft. (1.8) 100 Ft. (30.5) 10 Ft. (3) 100 Ft. (30.5) 15 Ft. (4.6) 100 Ft. (30.5) 6 Ft. (1.8) 100 Ft. (30.5) 6 Ft. (1.8) 100 Ft. (30.5) 8 Ft. (2.4) 100 Ft. (30.5) 6 Ft. (1.8) 50 Ft. (15.3) 6 Ft. (1.8) 100 Ft. (30.5) 6 Ft. (1.8) 100 Ft. (30.5) Vent Size Type B Double Wall Vent With Single Wall Connector In Feet (Meters) Model 200 Model 333 Model 400 Min. Height Max. Height Min. Height Max. Height Min. Height Max. Height 6 in. 7 in. 8 in. 9 in. 10 in. 6 Ft. (1.8) 15 Ft. (4.6) Not Rec. Not Rec. Not Rec. Not Rec. 6 Ft. (1.8) 8 Ft. (2.4) 10 Ft. (3) 20 Ft. (6) 1...

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