Assessments - 3, GPA: 3.7
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When the floor is to be finished in carpet, allow clearance under the heaters and corners for carpet installation. Bottom air inlet heaters are to be mounted a minimum of 2” from the finished floor. WARNING: Hazard of Fire. Rugs may be placed up to a heater provided that they are not of a thickness that would block the air-intake. Bottom air inlet heaters are to be mounted a minimum of 2” from the finished floor. Figure 1: Furniture & Drapes GENERAL Draft Barrier Heater Installation (Wall) 1. Once the correct mounting height is established, scribe or snap a level line on the wall to maintain each heater back plate in horizontal alignment, when mounting. 2. Remove heater front cover by lifting top rear edge to unsnap cover from back plate (store cover in safe location to avoid damage to the finish). (See Figure 2). 3. Remove all appropriate knockouts from terminal boxes, particularly terminal box end knockouts when installing continuous run heating. (See Figure 3). 4. Mount the back panel to the wall using suitable fasteners (not supplied). Should the wall surface be uneven, secure the heater backplate to the high spots only to avoid a distorted appearance. Draft Barrier Heater Installation (Floor) 1. Unpack the heater and pedestal(s) from the carton (The pedestals are packed at the end of carton) and lift the front/top panels up and off the heater. 2. Disassemble the pedestal base from the pedestal pad. 3. Remove the desired terminal box cover(s) and supply wire entry knockouts from the terminal boxes. 4. Secure a pedestal to each end of the heater bottom with #8 screws provided aligning the back and front edges of the pad with the heater. This will align the supply entry knockout with opening in pedestal pad. TIP: Units longer than 4 feet will be provided with 3 or more pedestals. The extra pedestals should be used to support the middle of heaters. 5. Place heater on the pedestal base(s) and tighten all screws. TIP: The height of the heater can be adjusted on the pedestal to aid in leveling the heater by loosening the securing bolt at the side of the pedestals. 6. Remove the terminal box cover and proceed to wiring instructions. Figure 3 Figure 2 WIRING Ground Continuity — and ground continuity. Do not exceed the allowable number of conductors allowed by the National electrical code. WARNING: Hazard of Electric Shock. Any installation involving electric heaters must be effectively grounded in accordance with the National Electrical Code to eliminate shock hazard. Prior To Installation — WARNING: Hazard of Electric Shock. Disconnect all power before installing heater. 1. All branch circuit and service supply wiring must be completed to the heater terminal box location. 2. Check heater nameplate ratings to be sure heater voltage is same as service supply. 3. Service supply entry is usually made to one heater terminal box (see Figure 3) with through wiring (Factory Installed) being used for interconnection of all heaters in a continuous run installation. Note: When heaters are mounted end to end, remove the finishing end plate, install a chase nipple and locknut in the terminal box end knockout to ensure grounding continuity and to protect the wiring. Where heaters are spaced apart, remove the finishing end plate, and use rigid conduit (Provided by customer) for through wiring Figure4 Note: See Table 3 for recommended service supply wire sizes. 4.Knockouts are provided at the back, bottom and ends of all heater backs (see Figure 3). Terminal boxes are located at both ends of every heater. WIRING Table 3: Service Supply Wiring Sizes Table 4: Terminal Box Volumes (Cubic Inches) Recommended Minimum supply wire sizes are listed in the table Heater Style Left Hand Box Right Hand Box below: 4” Wide 5” Wide Maximum Watts Per Circuit Using 75 Degree C. Wire Rough In Wire Size 120V 208V 240V 277V 347V 480V 600V Copper Wire 14 1440 2496 2880 3324 4164 5760 12 1920 3328 3840 4432 5552 7680 10 2880 4992 5760 6648 8328 11520 7200 9600 14400 CAF-6, CCAS-8 33.25 41.50 3. Do a final and complete check of all wiring, then replace the terminal box covers being careful not to pinch any wires. 4. The front/top panel may now be installed. WARNING: To prevent the risk of fire, do not oper 1. Wire all heaters and controls in accordance with the appropriate the heater without the front/top panels in place. ate wiring diagram provided on page 4. 2. Run a ground jumper from the ground screw in one terminal 5. Place the front panel over the flange of the bottom panel. Hook box to the ground screw in the adjacent terminal box. (See the top back edge of the front panel over the back panel, and Figure 4.) snap onto the plastic clips. WIRING DIAGRAMS Limited Warranty: Please refer to the Chromalox limited warranty applicable to this product at 2150 N. RULON WHITE BLVD., OGDEN, UT 84404Phone: 1-800-368-2493 ...
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