Ruffneck FR Series Owner'S Manual Download Page 15 | Manualshive

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Summary of Contents for FR Series

Page 1: ...may be supplied with CSA or UL approved explosion proof motors for use in hazardous locations Divisions 1 2 Class I Groups C D and Class II Groups E F and G or TEFC Totally Enclosed Fan Cooled motors Ensure the motor meets the classification requirements This manual covers the installation maintenance repair and parts for all FR and HP series heaters Ruffneck TM is a key brand of CCI Thermal Techn...

Page 2: ... supply first then the heater fan WARNING Disconnect heater from power supply before servicing or repairing heater Lock the switch in the OFF open position and or tag the switch to prevent unexpected power application This heater should only be serviced by personnel with heating equipment experience Some components of this heater are heavy and assistance will be required to remove them DESCRIPTION...

Page 3: ... FR HP 12 FR HP 16 FR HP 20 FR HP 24 FR HP 30 FR HP 36 60 70 69 73 73 75 1 4 1 4 1 2 1 2 3 4 1 1 2 1725 1725 1725 1725 1140 1725 FR HP 12 FR HP 16 FR HP 20 FR HP 24 FR HP 30 FR HP 36 40 60 65 70 70 60 Note Sound levels were measured at a distance of 15 feet with louver blades horizontal and sound meters on centreline of heater i e in line with motor fan shaft MOUNTING Although Ruffneck Unit Heater...

Page 4: ...eck heaters have louvers installed that allow air flow to be directed from horizontal to 60 degrees or greater downward deflection Louvers should never be set to within less than 15 degrees of the closed position CLEARANCES FOR MAINTENANCE It is important to provide adequate clearance around the heater for servicing Allow enough space to permit easy fan or motor replacement Do not position the bac...

Page 5: ... with fluids corrosive to steel 3 Install using proper piping practices 4 In horizontal pipe runs use eccentric reducers only 5 Use a properly sized steam trap TAP INTO TOP OF MAIN SHUT OFF VALVE UNION PITCH DOWN UNION RETURN MAIN TAP INTO TOP OF MAIN SHUT OFF VALVE PITCH DOWN FULL SIZE DROP LEG 10 0 in Min 254 mm SHUT OFF VALVE RETURN MAIN PITCH DOWN LIFT NOT TO EXCEED 1 FT FOR EACH POIND PRESSUR...

Page 6: ...11 280 15 381 17 432 19 11 16 500 25 9 16 650 29 1 2 750 G N A 1 3 4 44 2 1 2 63 2 3 4 70 3 1 8 80 3 1 8 80 H 6 3 4 172 5 3 4 147 5 3 4 146 6 11 16 170 7 1 2 190 9 7 16 240 I 2 5 8 68 2 5 8 68 3 5 8 93 4 5 16 109 4 3 8 111 6 7 16 163 J 1 7 8 48 2 3 4 70 2 7 8 73 3 76 3 1 8 80 3 76 K MAX 21 1 4 540 21 1 4 540 22 7 16 570 23 5 8 600 25 3 16 640 34 5 8 880 L MAX 1 5 8 42 1 5 8 42 1 5 8 42 1 5 8 42 1 ...

Page 7: ...ires must be connected in series with the motor control circuit see appropriate diagrams above SUPPLY VOLTAGE 208 230V 1PH 208 230 VOLT CONTACTOR COIL NOT SUPPLIED EXTERNAL CONTROL PANEL NOT SUPPLIED 230 VOLT THERMOSTAT THERMOSTATIC CONTROL FOR 208 230 VOLTS 1 PHASE THERMOSTATIC CONTROL FOR 115 VOLTS 1 PHASE THERMOSTATIC CONTROL FOR 208 230 VOLT 3 PHASE MOTORS C W EXTERNAL HIGH LIMIT WIRES THERMOS...

Page 8: ... only to remove the upper removable panel In cases where the complete fan guard is to be removed assistance will be required due to its size and weight To remove the complete fan guard 1 Disconnect the wiring from the motor 2 Remove the bolts fastening the fan guard to the cabinet and slide the fan guard past the motor V BELT SERVICE REMOVAL INSTALLATION AND TENSIONING 1 Remove upper fan guard pan...

Page 9: ... removing the upper fan guard panel or first removing the whole drive frame from the heater 2 Remove the v belt and the drive sheave as described in the appropriate section 3 Measure and record the distance from the end of the shaft to the bearing housing 4 Loosen the set screws in the locking collars Unlock the collars by placing a drift punch in the collar hole and hit the punch opposite to the ...

Page 10: ...OR BRACKET 1 1512 1 1217 1 1237 1 1219 1 1280 3 LOUVER BLADE KIT 1 4881 1 4882 1 4883 1 4884 1 4958 4 BOTTOM PANEL 1 7874 1 7868 1 7861 1 7960 1 8391 5 TOP PANEL 1 7875 1 7870 1 7865 1 7961 1 8395 6 RIGHT PANEL 1 7872 1 7866 1 9885 1 9057 1 8393 7 LEFT PANEL 1 7873 1 7867 1 9884 1 9058 1 8394 8 FAN SHROUD 1 7871 1 7869 1 7864 1 7962 1 8392 9 MOTOR 1 1 1 1 1 10 FAN BLADE 1 1513 1 1378 1 1382 1 1389...

Page 11: ...1 4959 4 BOTTOM COVER 1 1233 5 MOTOR 1 6 U CLIPS 2 3444 7 FAN BLADE 1 1395 ITEM PART FR HP36 NO DESCRIPTION QTY NUMBER 8 FAN GUARD FRAME 1 3443 9 TAPER BUSHING DRIVE 1 10 DRIVEN SHEAVE 1 1398 11 1 TAPER BUSHING DRIVEN 1 1401 12 V BELT 1 1402 13 DRIVE SHEAVE 1 1399 14 BEARING 1 PILLOW BLOCK 2 1396 15 FAN GUARD UPPER PANEL 1 3455 16 FRAME 36 FAN DRIVE 1 3424 17 SHAFT 1 1268 Specify shaft diameter wh...

Page 12: ...ite coated exchangers and cabinets contact factory for quote Louvres and fan blades are also Heresite coated Contact factory for shipping lead time Motor designed to be used at rated voltage with tolerances of 15 Motor may be marked 230 volts but is suitable for 208 volt operation 460 1 phase motors are only certified for groups D F G Only available in 16 and larger units Only available in 24 and ...

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Page 16: ...significantly it is possible that the core tubes may have become partially blocked internally In such cases the core should be flushed out with water or a suitable liquid Flow should return to normal but in extreme cases reverse flow or flushing may be required refer to Repair Replacement Procedures for removal of core The bolts that attach the heater assembly and motor should be checked for tight...

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