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IMPORTANT - SAVE THESE INSTRUCTIONS

PLEASE READ THIS MANUAL BEFORE USING EQUIPMENT

PART # 110494

MRIDC LIGHTING UNIT

OWNERS MANUAL

Leviton Lighting Management Systems

Manufactured by:

for MRI Room Lighting Applications

Summary of Contents for MRIDC

Page 1: ...ANT SAVE THESE INSTRUCTIONS PLEASE READ THIS MANUAL BEFORE USING EQUIPMENT PART 110494 MRIDC LIGHTING UNIT OWNERS MANUAL Leviton Lighting Management Systems Manufactured by for MRI Room Lighting Applications ...

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Page 5: ...PRELIMINARY INSTALLATION 8 CABINET DIMENSIONS CLEARANCES AND WEIGHTS 9 INSTALLATION 10 11 DIMMER SWITCH INSTALLATION 12 13 SET UP 14 START UP AND OPERATION 15 PREVENTIVE MAINTENANCE 16 TROUBLESHOOTING 17 COMPONENT DESCRIPTION 18 SPECIFICATIONS 19 WARRANTY 20 APPENDIXA 21 CABINET OUTLINE 22 COMPONENT LOCATION DIAGRAM 23 CIRCUIT DIAGRAMS 24 27 SYMBOLS 28 NOTES 29 ...

Page 6: ...rier immediately and file a shipping damage claim If any damage has occurred that could affect the operation of the unit please contact Leviton Lighting Management Systems Leviton Technical Support 1 800 959 6004 STORING If it is necessary to store the unit for a period of time before it is installed be sure to place the unit in a clean dry area To prevent excessive dust from accumulating on the u...

Page 7: ...ontrolled by the Transformer tap selection and the Dimmer switch supplied with the MRIDC Dimmer The Dimmer switch provides phase control for the MRIDC Dimmer Low level Electro magnetic interference and low frequency light flutter normally associated by the use of AC power is eliminated Higher quality imaging is possible with the reduced chance of electrical interference to intercoms nurse call and...

Page 8: ...l wiring to the MRIDC Dimmer should be performed by a qualified electrician Only use copper type wiring of suitable ampacity rating Install according to NEC and Local codes Refer to Appendix A Component Location Diagram and Circuit Diagram for connection points Installation Considerations Prior to installing the MRIDC Dimmer be sure to take into consideration the site you have selected The MRIDC D...

Page 9: ...77 24 x 20 x 10 1200 82 24 x 20 x 10 2000 137 24 x 20 x 10 3000 175 24 x 20 x 10 20 000 24 000 18 000 Ø 0 437 MOUNTING HOLES 22 500 21 500 10 000 24 000 LIFT OFF PANEL INDICATOR LIGHT INPUT CIRCUIT BREAKER RIGHT SIDE BOTTOM VIEW CONDUIT HOLES TOP BOTTOM MAIN BREAKER POWER ON AIR VENTS BOTH SIDES ...

Page 10: ...round to G DC Output The MRIDC Dimmer is designed to work only with incandescent lighting The lamps should be wired in parallel Use the properly indicated transformer tap for the total watt rating of the load The and terminals are located inside of the MRIDC Dimmer Refer to Appendix A Component Location Diagram and Circuit Diagram for connection points The positive and negative wires should be run...

Page 11: ...mer enclosure Refer to Appendix A Component Location Diagram and Circuit Diagram There are two black wires on the dimmer switch for two and three location applications Refer to the Dimmer switch data sheets on pages 12 13 for the proper wiring method for your application WARNING THERE ARE DANGEROUSLY HIGH VOLTAGES PRESENT WITHIN THE ENCLOSURE OF THE POWER SUPPLY SYSTEM CAUTION MUST BE TAKEN WHEN W...

Page 12: ...Page 12 DIMMER SWITCH INSTALLATION ...

Page 13: ...Page 13 DIMMER SWITCH INSTALLATION ...

Page 14: ...ranty See the circuit diagram or tap rating charts below for tap wattages 600 WATTS 85 WATTS 180 WATTS WATT LIMIT FOR 120VDC OUTPUT TAP LAMP LOAD TRANSFORMER SECONDARY TAPS 6 5 4 600W TRANSFORMER SECONDARY TAPS INDICATES FACTORY SETTING WHEN SHIPPED 1600 WATTS 7 500 WATTS 900 WATTS 1300 WATTS 2000 WATTS LAMP LOAD 5 6 8 9 TAP WATT LIMIT FOR 120VDC OUTPUT 1700 WATTS 2300 WATTS 3000 WATTS 4 5 6 LAMP ...

Page 15: ...nput circuit breaker Verify the Dimmer on off switch is in the ON position and slide the dimmer knob to a suitable illumination setting The Dimmer switch can be left in the On position and the slide knob may always reside at the lowest setting Alternatively the dimmer slide knob may be left at any setting and the dimmer on off switch can be used at any time ...

Page 16: ...nvironments it would be desirable to open the main cover and blow out the interior using clean dry compressed air limited to 60 psi The exterior can be wiped clean using a soft cloth slightly dampened with a general purpose cleaner product WARNING THERE ARE DANGEROUSLY HIGH VOLTAGES PRESENT WITHIN THE ENCLOSURE OF THE POWER SUPPLY SYSTEM CAUTION MUST BE TAKEN WHEN WORKING WITH THE SYSTEM IT IS REC...

Page 17: ...Page 17 TROUBLESHOOTING Leviton Technical Support 1 800 959 6004 ...

Page 18: ... wattage A minimum 30 load of tap level is required at all times Improper tap selection may cause damage and will void the manufacturer warranty See the circuit diagram or tap rating charts below for tap wattages Rectification Thyristor SCR Diode packs provide Full wave phase controlled rectification The power pack SCR Diode is the main component that converts AC to DC power Filter Capacitors Elec...

Page 19: ...poxy AC Input 120 volts 1 phase 60 Hz 600W 7 amperes 1200W 15 amperes 2000W 26 amperes 3000W 41 amperes DC Output 0 120 volt 100 Duty rated with Transformer Power tap selection DC Control 600 Watt Incandescent Dimmer Switch Regulation 0 100 dimmer voltage range Inherent 5 regulation AC Ripple 5 rms ripple throughout the full range Efficiency 75 at full output 1 364 maximum Btu s hr ...

Page 20: ...t Systems service personnel are not included in this warranty 3 This Warranty shall be void if any alteration is made to the system or any of its components are altered by anyone other than an authorized Leviton Lighting Management Systems service person without the written permission of Leviton Lighting Management Systems 4 This Warranty is in lieu of all other warranties expressed or implied Lev...

Page 21: ...Appendix Page A21 APPENDIX A DRAWINGS AND SCHEMATICS ...

Page 22: ...ONS 20 000 24 000 18 000 Ø 0 437 MOUNTING HOLES 22 500 21 500 10 000 24 000 LIFT OFF PANEL INDICATOR LIGHT INPUT CIRCUIT BREAKER RIGHT SIDE FRONT VIEW BOTTOM VIEW CONDUIT HOLES TOP BOTTOM MAIN BREAKER POWER ON AIR VENTS BOTH SIDES ...

Page 23: ...nals DV DT SCR Protection Input Circuit Breaker DC Output Fuse Power Transformer Filter Choke Filter Capacitors SCR Control Board SCR Rectifier Bridges AC Input Terminals Dimmer Terminals Mounting Holes Pilot Light Input Circuit Breaker Main Cover Access Panel Specification Tag ...

Page 24: ...6 6 2 2 1 3 3 1 G1AT A1AT G2AT G 1 A 1 FC1 FILTER CHOKE G 2 A 2 SCR CONTROL CARD 203477 6 5 4 3 2 1 L1 A NOTE FOR USE WITH INCANDESCENT LIGHTS ONLY POWER TRANSFORMER T1 N WARNING CAPACITOR CIRCUITS WAIT 5 MINUTES THEN SHORT CAPACITORS BEFORE HANDLING INDICATES COMPONENT REMOTELY LOCATED DS1 DIMMER SWITCH POWER ON PL1 F1 AT 18 AWG TWISTED PAIR C2C C1C LAST DIGIT OF WIRE NUMBER INDICATES RECOMMENDED...

Page 25: ...PS SEE NOTE BELOW C2 C1 R2 R1 6 6 8 2 2 1 3 3 1 G1AT A1AT G2AT G 1 A 1 FC1 FILTER CHOKE G 2 A 2 SCR CONTROL CARD 203477 7 6 5 4 3 2 1 L1 A NOTE FOR USE WITH INCANDESCENT LIGHTS ONLY POWER TRANSFORMER T1 N WARNING CAPACITOR CIRCUITS WAIT 5 MINUTES THEN SHORT CAPACITORS BEFORE HANDLING INDICATES COMPONENT REMOTELY LOCATED DS1 DIMMER SWITCH POWER ON PL1 F1 AT 18 AWG TWISTED PAIR C2C C1C LAST DIGIT OF...

Page 26: ...1 35A 6 6 9 8 2 2 1 3 3 1 G1AT A1AT G2AT G 1 A 1 D3C D1C FC1 FILTER CHOKE G 2 A 2 SCR CONTROL CARD 203477 7 6 5 4 3 2 1 L1 A E2C NOTE FOR USE WITH INCANDESCENT LIGHTS ONLY POWER TRANSFORMER T1 20A E1C N WARNING CAPACITOR CIRCUITS WAIT 5 MINUTES THEN SHORT CAPACITORS BEFORE HANDLING INDICATES COMPONENT REMOTELY LOCATED GD DS1 DIMMER SWITCH POWER ON PL1 F1 C1C AT 18 AWG TWISTED PAIR C2C LAST DIGIT O...

Page 27: ... BELOW C2 C1 R2 R1 6 6 2 2 1 3 3 1 G1AT A1AT G2AT G 1 A 1 FC1 FILTER CHOKE G 2 A 2 SCR CONTROL CARD 203477 6 5 4 3 2 1 L1 A NOTE FOR USE WITH INCANDESCENT LIGHTS ONLY POWER TRANSFORMER T1 N WARNING CAPACITOR CIRCUITS WAIT 5 MINUTES THEN SHORT CAPACITORS BEFORE HANDLING INDICATES COMPONENT REMOTELY LOCATED DS1 DIMMER SWITCH POWER ON PL1 F1 AT 18 AWG TWISTED PAIR C2C C1C LAST DIGIT OF WIRE NUMBER IN...

Page 28: ...Appendix Page A28 SYMBOLS SHOCK HAZARD CAUTION ...

Page 29: ...Appendix Page A29 NOTES ...

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