INSTALLATION AND OPERATING INSTRUCTIONS FOR GAST
Contents
1. General correspondence should be sent to Gast Mfg Inc A Unit of IDEX Corporation P O Box 97 Benton Harbor MI 49023 0097 SAFETY This is the safety alert symbol A When you see this sym bol be aware that personal injury or property damage is possible The hazard is explained in the text following the symbol The following is an explanation of the three different types of hazards A DANGER Severe personal injury or death will occur if hazard is ignored A WARNING Severe personal injury or death can occur if hazard is ignored Minor injury or property damage can occur if hazard is ignored A CAUTION Read the information carefully before operating GENERAL INFORMATION This instruction applies to the following models ONLY R3105N 50 R41 10N 50 R4310P 50 R4P115N 50 R5125Q 50 R5325R 50 R6130Q 50 R6P155Q 50 R6340R 50 R6P355R 50 and R7100R 50 These blowers are intended for use in Soil Vapor Extraction Systems The blowers are sealed at the factory for very low leakage They are powered with a U L listed electric motor Class 1 Div 1 Group D for Hazardous Duty locations Ambient temperature for normal full load operation should not exced 40 105 F For higher ambient operation contact the factory Gast Manufacturing Incorporated may offer general application guidance however suitability of the particular blower and or accessories is ultimately the responsibility of the user not the manufacturer of the2. blower INSTALLATION A DANGER Models R5325R 50 R6130Q 50 R6340R 50 R5125Q 50 R6P155Q 50 R6P355R 50 and R7100R 50 use Pilot Duty Thermal Overload Protection Con necting this protection to the proper control circuitry is mandated by UL674 and NEC501 Failure to do so could may result inan EXPLOSION Se pages 3 and 4 for recommended wiring schematic for these models A WARNING Electric shock can result from bad wiring A qualified person must install all wiring conforming to all required safety codes Grounding is necessary This blower is intended for use on soil vapor extraction equipment Any other use must be approved in writing by Gast Manufacturing Inc A WARNING Install this blower in any mounting position Do no block the flow of cooling air over the blower and motor PLUMBING Use the threaded pipe ports for connection only They will not support the plumbing Be sure to use the same or larger size pipe to prevent air flow restriction and overheating of the blower When installing fittings be sure to use pipe thread sealant This protects the threads in the blower housing and prevents leakage Dirt and chips are often found in new plumbing Do not allow them to enter the blower NOISE Mount the unit on a solid surface that will not increase the sound This will reduce noise and vibration We suggest the use of shock mounts or vibration isolation material for mounting ROTATION The Gast Regenair Blo
3. GAST Post Office Box 97 Benton Habor MI 49023 0097 Ph 616 926 6171 Fax 616 925 8288 4 Unit of AEEA Corporation 70 6100 F2 205 AK811 Rev G INSTALLATION AND OPERATING INSTRUCTIONS FOR GAST HAZARDOUS DUTY REGENAIR BLOWERS This instruction applies to the following models ONLY R3105N 50 R4110N 50 R4310P 50 R4P115N 50 R5125Q 50 R5325R 50 R6130Q 50 R6P155Q 50 R6340R 50 R6P355R 50 and R7100R 50 AUTHORIZED SERVICE FACILITIES Gast Manufacturing Inc 2550 Meadowbrook Road Benton Harbor MI 49022 TEL 616 926 6171 FAX 616 925 8288 www gastmfg com Wainbee Limited 215 boul Brunswick Pointe Claire Quebec Canada H9R 4R7 TEL 514 697 8810 FAX 514 697 3070 Gast Manufacturing Inc 505 Washington Avenue Carlstadt NJ 07072 TEL 201 933 8484 FAX 201 933 5545 www gastmfg com Wainbee Limited 5789 Coopers Avenue Mississauga Ontario Canada L4Z 3S6 TEL 905 568 1700 FAX 905 568 0083 http www wainbee ca Brenner Fiedler amp Assoc 13824 Bentley Place Cerritos CA 90701 TEL 800 843 5558 TEL 310 404 2721 FAX 310 404 7975 www brenner fiedler com Japan Machinery Co Ltd Central PO Box 1451 Tokyo 100 91 Japan TEL 813 3573 5421 FAX 813 3571 7865 or 81 3 3571 7896 Gast Manufacturing Co Ltd Beech House Knaves Beech Business Centre Loudwater High Wycombe Bucks England HP10 9SD TEL 011 44 1628 532600 FAX 011 44 1628 532470 http www gastltd com NOTE
4. T ACTOR UNGROUNDED coL THERMOSTAT L M LEAD THERMOSTAT ______ j i CONTACTS Thermostats to be connected in series with control as shown Motor furnished with automatic thermostats rated A C 115 600V 720VA circuit shown is for 3 phase motor Single phase motor has two line leads in the above circuit
5. s when passing through the blower When run at duties above 50 in H 0 metal pipe may be required for hot exhaust air The blower must not be operated above the limits for continuous duty Only models R3105N 50 R4110N 50 and R4310P 50 can be operated continuously with no air flowing through the blower Other units can only be run at the rating shown on the model number label Do not close off inlet for vacuum to reduce extra air flow This will cause added heat and motor load Blower exhaust air in excess of 230 F indicates operation in excess of rating which can cause the blower to fail ACCESSORIES Gast pressure gauge AJ496 and vacuum gauges AJ497 or AE134 show blower duty The Gast pressure vacuum relief valve AG258 will limit the operating duty by admitting or relieving air It also allows full flow through the blower when the relief valve closes SERVICING A WARNING To retain their sealed construction they should be serviced by Gast authorized service centers ONLY These models are sealed at the factory for very low leakage Turn off electric power before removing blower from service Be sure rotating parts have stopped Electric shock or severe cuts can result A WARNING Inlet and exhaust filters attached to the blower may need cleaning or replacement of the elements Failure to do so will result in more pressure drop reduced air flow and hotter operation of the blower The outside of the unit requires cleaning of du
6. st and dirt The inside of the blower also may need cleaning to remove foreign material coating the impeller and housing This should be done ata Gast Authorized Service Center This buildup can cause vibration failure of the motor to operate or reduced flow Motor Wiring Diaphragm for R4110N 50 amp R3105N 50 gt gt WARNING This motor is thermally protected and will automatically restart when protector resets Always disconnect power supply before servicing Motor Wiring Diaphragm for R4310P 50 To reverse rotation interchange the external connections to any two leads SOG ne To reverse rotation interchange the external connections to any two leads AAA 888 LOW VOLTAGE HIGH VOLTAGE gt gt WARNING This motor is thermally protected and will automatically restart when protector resets Always disconnect power supply before servicing LOW VOLTAGE HIGH VOLTAGE Motor Wiring Diaphragm for R5125Q 50 amp R4P115N 50 4 1 E 3 CE OES Fa 2 Toe Ee 3 THERMOSTAT THERMOSTAT THERMOSTAT THERMOSTAT LOW VOLTAGE HIGH VOLTAGE R5125Q 50 Blowers produced after September 1992 Serial No 0992 do not have motor leads 5 amp 8 Motor Wiring Diaphragm forR6130Q 50 amp R6P155Q 50 wee LEE Connect Thermostat to Motor Proection Circuit THERMOSTAT THERMOSTAT Connection for Thermostat Motor Protection L1 AUX PO ORCLIT oo START ia MOMENTARY CONTACT Tr 4 CON
7. wer should only rotate clockwise as viewed from the electric motor side The casting has an arrow showing the correct direction Confirm the proper rotation by checking air flow at the IN and OUT ports If needed reverse rotation of three phase motors by changing the position of any two of the power line wires OPERATION A WARNING Solid or liquid material exiting the blower or piping can cause eye dam age or skin cuts Keep away from air stream A WARNING Gast Manufacturing Incorporated will not knowingly specify design or build any blower for installation in a hazard ous combustible or explosive location without a motor conforming to the proper NEMA or U L standards Blowers with standard TEFC motors should never be utilized for soil vapor extraction applications or where local state and or Federal codes specify the use of explosion proof motors as defined by the National Electric Code Articles 100 500 c1990 A CAUTION Attach blower to solid surface before starting to prevent injury or damage from unit movement Air containing solid particles or liquid must pass through a filter before entering the blower Blowers must have filters other accessories and all piping attached before starting Any foreign material passing through the blower may cause internal damage to the blower A CAUTION Outlet piping can burn skin Guard or limit access Mark CAUTION Hot Surface Can Cause Burns Air temperature increase
Download Pdf Manuals
Related Search