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WARNING! Risk of Fire. Heaters must be kept clean of lint, dirt and debris. Failure to follow warnings may cause heater to eject sparks, ignite materials, or cause electrical shock. Horizontal Delivery Heaters should be located so that the air streams of the individual units “wipe” the exposed walls of the building without blowing directly against the wall. Recommended spacing between the units is 12 feet. Locate heaters so their air streams are not subjected to interference from columns, partitions, machin ery, etc. (See Figure 1) Figure 1 PLACEMENT: Install the CEH unit heater vertically or horizontally. Brackets are also available for ceiling mount or wall mount applications. THERMOSTAT: For single-phase only, a line voltage thermostat is required for operation. For three-phase, a two-stage or modulating thermostat is required. A Cadet wall thermostat is recommended for ultimate control and comfort. Figure 2 Horizontal mounting clearances with optional bracket (CEKM1). Vertical Delivery In buildings with high ceilings or bays, vertical delivery unit heaters are recommended to produce comfort in central areas. They are best used when the perimeter heat loss is adequately controlled. In combination with horizontally discharged units, they aid in providing good air mixture (See Figure 3). Vertical discharging units are mounted high above machinery, assembly lines, etc. In an application where only vertical discharging units will be used, the air streams must overlap to blanket outside walls and provide good heat distribution (See Figure 4). Figure 3 Figure 4 Figure 5 Ceiling mount. Vertical mounting clearances. The ceiling or wall on which the heater is to be mounted must be of adequate strength to support the heater. Plaster or suspended ceilings will not support this type of heater. For greater stability, we recommend the use of threaded rods. Do not mount the heater where volatile liquids or gases will be present or where it will be exposed to rain or mist. All combustible materials should be kept at least 3 feet away from front of the heater. General Safety Information In an area where the air temperature will be maintained at less than 68.F, the heater should be mounted in a position that will not blow directly on people working in the area. A minimum clearance for each heater (both horizontal and vertical mount) is listed in Figures 2 and 5. Please follow these recommendations to avoid potential problems with the function and safety of the heater. 2 Mounting the CEH Unit Heater CAUTION: THE CEILING OR WALL MOUNTING STRUCTURE AND ANCHORING PROVISIONS MUST BE OF SUFFICIENT STRENGTH TO SUPPORT THE COMBINED WEIGHT OF THE HEATER AND MOUNTING BRACKETS. Installation Instructions Installation Instructions Mounting the CEH Unit Heater Horizontal Discharge (See Figure 2 for minimum clearances) 1. Mounting with rod from ceiling or super-structure: (Figure 6) a. Remove the four factory installed bolts from the top of the unit and screw them into the th...
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