Watlow Electric Circulation Heaters 397 User's Manual
Contents
1. Tubular and Process Assemblies F O B Hannibal Missouri Circulation Heaters Engine Preheaters Application Hints Mount engine preheaters in horizontal position only as shown in Figures 1 2 and 3 Consult your Watlow representative if vertical mounting is unavoidable Mount the heater near or below e Estimate kilowatt requirements English with the following formula First determine the engine displacement then multiply Cubic inches X 3 estimated wattage Metric Liters X 183 estimated wattage 1 4 20 Mounting Bolts the lowest point on the engine Outlet Nozzle Vibration j Sized for 1 I D Isolator Bushings block Keep outlet nozzle pointed Gs mm hose Mounting Slots aca ae o up as indicated on the tank ay g i D l ci fe g r 5 WATROD Heating Element Check Valve Inlet Nozzle z Thermowell Sized for 1 I D o s 25 mm hose Q Drain NEMA 1 Terminal Enclosure o i 4 Mounting Slots 9 32 X 3 4 3 Figure 1 7 mm X 19 mm re aa I 67s lt 31 e 63 16 __ 2 50 mm 162 mm 157mm 5n i u cz Se 25 66 mm 1 25 min Ja 7 21 4 57 mm f See eee yRef Diameter L 4 5 n 117 mm Overall Length Inch mm r 4 1 4 20 Bolts 5 8 11 38 mm 146 mm 4 Threaded 117 mm Overall Leng2. th s 10 mm Length Code No Est Ship 208V ac 240 480V ac Weight 1 Phase 1 Phase Ibs Ue Application Ethylene Glycol Engine Coolant 1 13 20 530 CPBPL2S12 12 6 1 50 20 530 CPBPB6S12 CPBPB2S120 12 6 1 69 20 530 CPBPM2S12 12 6 1 88 20 530 CPBPN2S120 12 6 2 00 20 530 CPBPC6S12 12 6 2 25 20 530 CPBPD6S12 12 6 2 25 261 678 CPBPD2S120 15 7 2 50 20 530 CPBPE6S12 12 6 3 00 261 678 CPBPF2S12 CPBPF7S12 15 7 3 75 261 678 CPBPG2S120 15 7 4 00 26 6 678 CPBPH7S12 15 7 5 00 26 6 678 CPBPJ7S120 15 7 All preheaters are Stock unless Standard otherwise noted Availability Stock Same day shipment Standard Four weeks 397
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