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Termaline

Semiconductor

Load Resistor

Series 8890SC

Operation Manual

Instruction Book Part Number 920-8890-SEMICON Rev. A

Termaline

and Tenuline

are Registered Trademarks

of Bird Electronic Corporation

Содержание Termaline 8890-300SC13

Страница 1: ...ctor Load Resistor Series 8890SC Operation Manual Copyright 2009 by Bird Technologies Inc Instruction Book Part Number 920 8890 SEMICON Rev A Termaline and Tenuline are Registered Trademarks of Bird Electronic Corporation ...

Страница 2: ... to remove the RF transmission line while RF power is present WARNING Do Not Service Or Adjust Alone Under no circumstances should any person reach into an enclosure for the purpose of service or adjustment of equipment except in the presence of someone who is capable of rendering aid WARNING Safety Earth Ground An uninterruptible earth safety ground must be supplied from the main power source to ...

Страница 3: ... not correctly performed could result in damage to the instrument The caution symbol appears on the equipment indicating there is important information in the instruction manual regarding that particular area WARNING The vent plug must be used at all times when the unit is operating or cooling Failure to do so could result in an explosion or severe burns WARNING Never attempt to connect or disconn...

Страница 4: ...TION The Bird 8890 300SC13 is not designed for use with a blower Do not install a blower on the unit Doing so will void the warranty CAUTION This load is designed for operation in a horizontal position only with the vent plug up Do not use in any other manner CAUTION If installed connect optional interlock before applying RF power CAUTION Use only Bird coolant P N 5 1070 to prevent damage to the l...

Страница 5: ...EGURIDAD DEL INSTRUMENTO BENUTZUNG WIRD DAS GERÄT AUF ANDERE WEISE VERWENDET ALS VOM HERSTELLER BESCHRIEBEN KANN DIE GERÄTESICHERHEIT BEEINTRÄCHTIGT WERDEN UTILISATION TOUTE UTILISATION DE CET INSTRUMENT QUI N EST PAS EXPLICITEMENT PRÉVUE PAR LE FABRICANT PEUT ENDOMMAGER LE DISPOSITIF DE PROTECTION DE L INSTRUMENT IMPIEGO QUALORA QUESTO STRUMENTO VENISSE UTILIZZATO IN MODO DIVERSO DA COME SPECIFIC...

Страница 6: ...TUNG DES GERÄTES GELTEN NUR FÜR GESCHULTES FACHPERSONAL ZUR VERMEIDUNG GEFÄHRLICHE ELEKTRISCHE SCHOCKS SIND WARTUNGSARBEITEN AUSSCHLIEßLICH VON QUALIFIZIERTEM SERVICEPERSONAL DURCHZUFÜHREN ENTRENTIEN L EMPLOI DES INSTRUCTIONS D ENTRETIEN DOIT ÊTRE RÉSERVÉ AU PERSONNEL FORMÉ AUX OPÉRATIONS D ENTRETIEN POUR PRÉVENIR UN CHOC ÉLECTRIQUE DANGEREUX NE PAS EFFECTUER D ENTRETIEN SI L ON N A PAS ÉTÉ QUALIF...

Страница 7: ...RATING BRANCHER LE VERROUILLAGE À L ÉMETTEUR AVANT EMPLOI CONECTE EL INTERBLOQUEO AL TRANSMISOR ANTES DE LA OPERACION VOR INBETRIEBNAHME VERRIEGELUNG AM SENDER ANSCHLIESSEN PRIMA DI METTERE IN FUNZIONE L APPARECCHIO COLLEGARE IL DISPOSITIVO DI BLOCCO AL TRASMETTITORE ...

Страница 8: ...tes to this manual refer to the part number and revision on the title page Chapter Layout Introduction Describes the features of the 8890 Semiconductor lists equipment supplied and optional equipment and provides power up instructions Theory of Operation Describes how the 8890 Semiconductor works and its functions Installation Describes the how to install the 8890 Semiconductor Operating Instructi...

Страница 9: ... 2 Chapter 3 Installation 3 Unpacking and Inspection 3 Setup 3 Mounting 3 Installing Thermoswitch 4 Interlock Connection 5 Connecting RF Power 6 Chapter 4 Operating Instructions 7 Normal Operation 7 Operation Under Abnormal Conditions 7 Shutdown 7 Emergency Shutdown 7 Chapter 5 Maintenance 8 Troubleshooting 8 Maintenance 8 Cleaning 8 Inspection 8 RF Assembly Resistance Test 9 DC Resistance Measure...

Страница 10: ...Termaline Semiconductor Load Resistor ix Specifications 13 Replacement Parts 13 Available QC Type Connectors 14 Limited Warranty 15 ...

Страница 11: ...eestanding use or as brackets for fixed mounting A vent plug at the top of the unit relieves internal pressure from coolant expansion The load s simple and rugged design minimizes maintenance requirements Items Supplied Load Resistor Pre filled with coolant at the factory Shipping Plug Vent Plug Instruction Manual Items Required but not Supplied Coupling Kit Connects the load to the RF line Option...

Страница 12: ...rmal characteristics carries heat from the resistor to the walls of the cooling tank where radiator fins surrounding the tank transfer the heat to the air When the coolant is heated thermal expansion causes an increase in the internal pressure The vent plug relieves this pressure while protecting the opening from dirt or other contaminants Thermal Interlock The load can be supplied with an optiona...

Страница 13: ...rom the load 2 Replace the shipping plug with the vent plug Refer to Figure 1 for images of the plugs Mounting Place the load in a dry dust and vibration free environment Do not use outdoors or in areas of condensing humidity Allow at least 12 30 cm of clearance on all sides of the load These loads are equipped for either portable use or fixed installation The mounting brackets on the front and re...

Страница 14: ...tion there is no danger of the coolant pouring out through the socket plug hole 4 Remove the socket plug just above the connector assembly with a 9 16 hex wrench 5 Replace the plug with the thermoswitch 6 Apply pipe sealing compound sparingly to the external threads of the thermoswitch only 7 Check for coolant leaks upon completion See Coolant Level on page 10 WARNING The vent plug must be used at...

Страница 15: ...readed fitting in place 5 Service the control switch wire with short tips 6 Put spaghetti sleeves over the wire ends if necessary 7 Securely solder the control switch leads to the lugs G of the connector base Note The ring nut A must be in place over the base plug D with the knurled end facing out 8 Screw on the cover ring 9 Fasten the cable clamp E in place 10 Tighten both yoke screws H 11 Put th...

Страница 16: ...QC Connector Coupling Use 50 ohm coaxial cable such as RG 218 U or 220 U 17A or 19A appropriate for the frequency and power level of operation Use a cable connector which will mate with the one on the load WARNING Never attempt to connect or disconnect RF equipment from the transmission line while RF power is being applied Leaking RF energy is a potential health hazard ...

Страница 17: ...ort periods If this is likely make sure the interlock is properly connected to prevent damage to the load Shutdown These loads are passive devices so have no way of being turned off Turn off RF power at the source Emergency Shutdown Turn off RF power at the source If the interlock thermoswitch is properly connected RF power will be automatically turned off when the coolant temperature reaches an u...

Страница 18: ...nd the clamping band and the thermoswitch Also check for corrosion WARNING Never attempt to connect or disconnect RF equipment from the transmission line while RF power is being applied Leaking RF energy is a potential health hazard PROBLEM POSSIBLE CAUSE CORRECTION Leaking coolant Loose clamping band Tighten the clamping band Defective or improperly installed O ring Replace the O ring See Load Re...

Страница 19: ...ohms or use a resistance bridge Use low resistance leads preferably a short piece of 50 ohm coaxial cable fitted with an appropriate connector or alligator clips Temperature of the load should be stabilized between 20 C to 25 C 68 F to 77 F DC Resistance Measurement Note It is recommended that this resistance check be performed each time the load is to be used 1 Turn off RF power and interlock cir...

Страница 20: ...sistor See Load Resistor on page 11 2 Inspect the coolant for one of the following Good The coolant is clear with a faint yellow tinge and has a slightly sweet smell Bad The coolant is black with a burnt or acrid smell a Drain the coolant b Add about 2 9 gal 11 L of coolant 3 Inspect the coolant level for the following With the load still on end the coolant level should be 43 4 to 5 inches 125 mm ...

Страница 21: ...remove the clamping band 4 Lift the load resistor assembly out of the tank 5 Allow any coolant to drip back into the tank 6 Check that the O Ring is free of twists and positioned evenly around the flange of the resistor housing Note If the O ring shows signs of deterioration e g is no longer pliable or has surface cracks replace it 7 Replace the entire load resistor assembly Note It cannot be furt...

Страница 22: ... for shipment Customer Service Any maintenance or service procedure beyond the scope of those in this chapter should be referred to a qualified service center If the unit needs to be returned for any reason request an Return Material Authorization RMA through the Bird Technologies website All instruments returned must be shipped prepaid and to the attention of the RMA number Bird Service Center 30...

Страница 23: ...perature Storage 40 to 45 C 40 to 113 F Altitude Derate RF power by 2 5 for every 305m 1 000 ft above 1 520m 5 000 ft 1520 m 5000 ft Humidity 95 noncondensing max Cooling method Oil dielectric and convection currents Dimensions 21 75 L x 7 5 W x 17 25 H 551 x 190 x 437 mm Weight Nominal 59 lb 27 kg Finish Black Epoxy Resin Description Qty Part Number RF Load Resistor Resistor O Ring 1 8890 060 5 2...

Страница 24: ...plied 4240 031 LC Male 4240 025 Open Term 10 32 Nut 4240 080 LT Female 4240 018 LT Male 4240 012 N Female 4240 062 N Male 4240 063 SC Female 4240 090 SMA Female 4240 336 SMA Male 4240 334 7 16 Jack IEC Type 169 4 4240 344 7 16 Plug IEC Type 169 4 4240 363 Mini UHF Female 4240 346 UHF Female 4240 050 UHF Male 4240 179 1 5 8 EIA Fixed 4240 096 1 5 8 EIA Swivel 4240 208 7 8 EIA 4240 002 TNC Female 42...

Страница 25: ...ery such claim for breach of these warranties shall be deemed to be waived by Buyer unless made in writ ing within ten days from the date of discovery of the defect The above warranties shall not extend to any products or parts thereof which have been subjected to any misuse or neglect damaged by accident rendered defective by reason of improper installation or by the performance of repairs or alt...

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