KUH Horizontal Unit Heater PDS
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For individual spaces total heatingcapacity is calculated in the con-ventional way, using formulas in theASHRAE GuideӔ or those found inthe NEMA handbook. > For pedestrian entryways whenheating capacity is not known, a rule of thumbӔ is 3000-5000 wattsper door. Use 3000 watts per doorfor a low traffic single-door entry. For a large multiple-door entry, or ahigh traffic single-door entry, use5000 watts per door. > Loading Docks . Unit heaters areused to combat cold air inrushwhen loading dock doors are opened. For such applications, oneor more units should be arranged toblow warm air across...

Mounting Height Obstructions mustnot blockunit heater air inlet or discharge. Donot install Unit Heaters above recommended maximum mounting height. Hazardous Atmosphere Corrosive Atmosphere ח Unit heaters shouldnot be used in potentially explosive atmo- spheres. The finish isnot intended for direct salt spray exposure in marine applications or the highly corrosive atmospheres of greenhouses, swimming pools, chemical storage bins, etc. Mounting LimitationsBack To WallSide To WallTop To Wall 6 inches6 inches6 inches >

Summer FanSwitch Thermostat Kit A fan only operation (optional) is available by means of a built-inswitch or by external control. (2-15 kW) (20-45 kW)Catalog NumberDescription PCN PCN ISFS-02Internal Summer Fan Switch305007ISFS-02305007208 through 277VoltsESFS-40External* Summer Fan Switch305015ESFS-40A305058With Relay (24 Volt control)ESFS-42External* Summer Fan Switch305031ESFS-42A305074With Relay (240 Volt control)ESFS-47External* Summer Fan Switch305040 חWith Relay (277 Volt control)*Kit includes wall plate (discard plate if switch is to be installed on the heater.) 3 Pole, 600V Rating...

When ordering KUH heaters, specify the model number and corresponding PCN (Product Code Number). If controls or thermostat/fan options are required, designate these options in the model number when ordering, as shown below. Alwaysspecify voltage, phase and kW by listing them on the purchase order product specifications. > 00 No Thermostat, No Summer Fan Switch 40 Internal Thermostat Only 41 Internal Therm. and Internal Sum. Fan Sw. 42 External Sum. Fan Sw. Only (Not 480V) 43 External Sum. Fan Sw. and Fan Relay (All Volts) 44 Rem. Fan Sw. and Internal Therm. (Not 480V) 45 Rem. Fan Sw., Fan...