motortronics MWH Series Скачать руководство пользователя страница 1 | Manualshive

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Содержание MWH Series

Страница 1: ...MO T O R T R O N I C S T M S o l i dS t a t eA CMo t o r C o n t r o l I N S T A L L A T I O N S T A R T U PMA N U A L M W H 1 0 t o 8 0 A m p M o d e l s H e a t e r C o n t r o l l e r S e r i e s ...

Страница 2: ...iption 3 1 2 Features 3 1 3 Specifications 4 1 4 Receiving and Unpacking 4 1 5 Dimensions 4 2 Installation 5 2 1 Wiring 5 3 Operation 8 4 Diagrams 9 4 1 MWH 10 Amp Model 9 4 2 MWH 25 Amp Model 10 4 3 MWH 50 Amp Model 11 4 4 MWH 80 Amp Model 12 WARRANTY INFORMATION 13 ...

Страница 3: ...en the motor is started the MWH is instantly turned off The MWH turns back on approximately one minute after the motor is turned off Overload Sensing With the optional overload sensing the MWH can be disabled automatically when a motor overload trip occurs The heater will go back on line automatically after the overload is reset This prevents additional motor heating when a trip occurs providing f...

Страница 4: ... protect the MWH Transient Protection An RC snubber circuit across the SCR protects it from rapid rate of change in the system voltage A metal oxide varistor MOV protects the unit against voltage spikes on the line 1 4 Receiving and Unpacking Unpacking Carefully unpack the unit from the shipping carton and inspect it for shipping damages Immediately report any damages to the carrier Mounting Selec...

Страница 5: ...roper orientation is required to achieve proper convention cooling of the solid state power device SCR 2 Remove the front cover of the winding heater for access to the power and control connections 3 Recommended fuse and power wire sizes for MWH Table 3 Table 4 MAXIMUM MWH AMP WIRE SIZE TYPE AWG REPLACEMENT FUSE F1 F2 10 14 Class T 600V 15 A Class CC 20A Time Delay 25 8 Class T 600V 30 A Class T 6...

Страница 6: ...lly closed auxiliary contact on the motor starter to the terminals labeled SW Use AWG 16 wire for the circuit 7 If your system does not utilize a heater off on switch connect the normally closed auxiliary contact directly to the terminals labeled SW TB1 Note The cover of the motor winding heater depicts the connection diagram See wiring diagrams below 8 If required connect the normally open contac...

Страница 7: ...ITH A MOTOR WINDING HEATER VOLTAGE IS PRESENT AT MOTOR TERMINALS EVEN WHEN MOTOR STARTER IS OPEN BEFORE SERVICING MOTOR OR MOTOR WIRING ALWAYS DISCONNECT MAIN POWER AHEAD OF MOTOR STARTER Sample Warning Label 11 If the motor winding heater is to be paralleled with a soft start the customer must provide an isolation contactor between the output of the MWH and the motor as shown in the figure below ...

Страница 8: ...ltage to the motor 4 The output voltage to the motor is factory set for 8 to 9 of the line voltage Measured with an RMS AC Voltmeter Maximum range of this adjustment is approximately 15 of line voltage Note Caution must be used when adjusting the output Too high a setting may cause excessive heating in the motor 5 During initial start up monitor the output current to the motor Use a DC clamp on am...

Страница 9: ...Motortronics 9 4 0 Diagrams 4 1 MWH 10A Model ...

Страница 10: ...Motortronics 10 4 2 MWH 25A Model ...

Страница 11: ...Motortronics 11 4 3 MWH 50A Model ...

Страница 12: ...Motortronics 12 4 4 MWH 80A Model ...

Страница 13: ...ese differences and the wide variety of applications for solid state controls each application designer must verify that the solid state equipment is acceptable for his application In no event will Motortronics be responsible or liable for indirect or consequential damages resulting from the use or application of this equipment The diagrams and illustrations in this document are included solely fo...

Страница 14: ...r i e s M W H H e a t e r C o n t r o l l e r P h a s e t r o n i c s I n c d b aMo t o r t r o n i c s 1 6 0 0S u n s h i n eD r i v e C l e a r w a t e r F l o r i d a3 3 7 6 5 U S A T e l 7 2 7 5 7 3 1 8 1 9o r 8 8 8 7 6 7 7 7 9 2 F a x 7 2 7 5 7 3 1 8 0 3o r 8 0 0 5 4 8 4 1 0 4 ww www mo t o r t r o n i c s c o m ...

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