LCS
&
LDP
LED Light Dimming System
Manual
Version 1.4 Nov 19, 2020
Page 1: ...LCS LDP LED Light Dimming System Manual Version 1 4 Nov 19 2020 ...
Page 2: ...r or replacement of defective parts and under no circumstances will EPRAD Incorporated be liable for any other damage either direct or consequential Trademark Notice All trademarks referenced in this document and in the product software are the sole property of their respective owners EPRAD Incorporated is in no way affiliated with the owners of the trademarks The information contained in this doc...
Page 3: ...he device with power on may expose you to dangerous voltage and damage the device A qualified electrician must perform this installation WARNING If replacing the fuse in this unit you must replace fuse with exact same type and rating WARNING Refer to National Electrical Code and local codes for cable specifications Failure to use proper cable can result in damage to equipment or danger to persons ...
Page 4: ... 2 14 2018 Ed 13 Standard For Emergency Lighting And Power Equipment UL 924 2016 Ed 10 R 08Mar2017 Emergency Lighting Equipment CSA C22 2 141 2015 Ed 5 Safety Indication on the Product This symbol is intended to alert the operator that parts inside this cabinet may involve risk of electric shock This symbol is intended to alert the operator to the presence of important operating and servicing inst...
Page 5: ...ontents Overview QDC 400 Dimmer Control Board LED Dimmer Power Module Emergency Lighting Operation UL 924 Installation Setup Manual Control Keys Using the LCS Dimmer with the eCNA Automation LED Lamps Series Voltage Drop of Luminaries Model Numbers Page 3 of 32 ...
Page 6: ...ht zone with independent levels and fade times EPRAD LED lamps are standard profile with a medium screw in base in order to utilize existing lamps fixtures LSC LED Dimmer LDP LED Dimmer The LCS dimmer consists of the QDC 400 control board and one or two LDD 36V LED power modules The LDP LED dimmer cabinet is available in three base models with one or two LDD 36V LED power modules The LDP Expansion...
Page 7: ...EPRAD Incorporated LED Light Dimming System PATENT PENDING LCS Internals Page 5 of 32 ...
Page 8: ...EPRAD Incorporated LED Light Dimming System PATENT PENDING LDP Internals Page 6 of 32 ...
Page 9: ...me can be set from 0 to 99 seconds with 1 second resolution The channels can be independently configured for any of sixteen zones The LDD 36V LED dimmer module receives the level and fade time from the QDC 400 control board to control EPRAD 36VDC LED lamps Note The QDC 400 control board receives power from multiple sources The LIN the power modules and the local power supply The board can operate ...
Page 10: ...communicating properly with the CNA 1 Blink On Pause 2 seconds The QDC 400 computer is waiting for data from the CNA and the outputs are disabled This condition indicates that since a power up the QDC 400 has not received data from the CNA The lights are off and QDC 400 will wait indefinitely for communications to be established 2 Blinks On Pause 2 seconds Communications Timeout outputs are disabl...
Page 11: ...nnection that contains both DC power and data RS485 See LCS Field Wiring 6 Control Inputs These inputs are used to connect the cinema automation or manual override switches to select the presets for the House and Stage lights A dry contact closure is required See LCS Field Wiring 7 Emergency On A dry contact closure between the ALL ON and COMMON input ramps all channels to 100 See LCS Field Wiring...
Page 12: ... watt versions Models LDD320 36V and LDD200 36V respectively Regulated 36 volts PWM output 3 way isolation Power to Load Power to Control and Control to Load Active Power Factor Correction Over current and Short Circuit Protection QDC 400 and 0 10V Control Inputs Emergency Lights On Bypass Input LDD320 36V Dimmer Power Module Page 10 of 32 ...
Page 13: ...ng Yellow Fault LED Status Condition Off Ok No fault conditions present 2 Blinks on pause 1 second Over Current Fault 3 Blinks on pause 1 second Under Voltage Fault 4 Blinks on pause 1 second Over Current and Under Voltage Fault Fast Blink 250 Milliseconds On 250 Milliseconds off Over Current and Under Voltage Faults disabled S1 8 On The Faults are Latched until they are manually reset While a Fau...
Page 14: ... s output This is to make sure the minimum and maximum levels of the dimmer controller correspond to 0 and 100 light level The values are saved to EEPROM 1 Press and hold the Green pushbutton switch for 5 seconds until the Yellow LED turns on 2 Set the level of the attached dimmer controller to 0 level Press the Green pushbutton The Yellow LED blinks slowly 3 Set the level of the attached dimmer c...
Page 15: ...ed internally to the QDC 400 control board on the LCS model or field termination points terminal block on the LDP models The module can receive its level information from a serial data stream from the QDC 400 control board on TB2 The module can accept a 0 to 10 volt signal from a controller on P4 as shown Page 13 of 32 ...
Page 16: ...this input is maintained the lights will remain at 100 regardless of any other control input When the LCS or LDP are used as part of the emergency lighting system the power supplied to the dimmer must switched by an upstream UL 1008 or UL 924 transfer switch with a phase loss relay interface to monitor normal power and provide a control signal to the dimmer in the event of a disruption in power Th...
Page 17: ...ontrol board can also be used to activate the lights for cleaning When using this input for both cleaning and emergency purposes the phase loss sensing relay and the cleaning lights switch can be wired in one of two ways depending on the contact configuration of the phase loss relay Page 15 of 32 ...
Page 18: ... or equipment NOTE The LED lamps can tolerate a voltage drop of up to 25 however it is prudent to estimate or calculate the expected voltage drop at the last lamp Because the current varies along the circuit the procedure for calculating the voltage drop at the end of a string of lights can be tedious While rules of thumb may be applied they do not always give the desired confidence The Electrical...
Page 19: ...EPRAD Incorporated LED Light Dimming System PATENT PENDING LCS Cabinet Dimensions Page 17 of 32 ...
Page 20: ...EPRAD Incorporated LED Light Dimming System PATENT PENDING LDP Cabinet Dimensions Page 18 of 32 ...
Page 21: ...EPRAD Incorporated LED Light Dimming System PATENT PENDING LCS xxxW2C Dimmer Field Wiring Page 19 of 32 ...
Page 22: ...EPRAD Incorporated LED Light Dimming System PATENT PENDING LCS xxxW2C Dimmer Internal Wiring Page 20 of 32 ...
Page 23: ...EPRAD Incorporated LED Light Dimming System PATENT PENDING LDP xxxW2C Expansion Cabinet Field Wiring Page 21 of 32 ...
Page 24: ...EPRAD Incorporated LED Light Dimming System PATENT PENDING LDP xxxW2C Expansion Cabinet Internal Wiring Page 22 of 32 ...
Page 25: ...EPRAD Incorporated LED Light Dimming System PATENT PENDING LDP xxxWC2C Conversion Cabinet Field Wiring Page 23 of 32 ...
Page 26: ...EPRAD Incorporated LED Light Dimming System PATENT PENDING LDP xxxWC2C Conversion Cabinet Internal Wiring Page 24 of 32 ...
Page 27: ... key to manual select the channel you want display Pressing the Home key will start the automatic cycle again NO POWER is displayed if QDC 400 control board does not detect the signal from the power module This indicates a module is not present To set up the zones and levels for each channel press MENU 1 Enter the password to gain access Use the or keys to scroll to the field you want to edit Sele...
Page 28: ...ware version of the QDC 400 control board 2 Checksum This is the software checksum 3 Board Number ID Reflects the setting of the DIP switches S1 7 and S1 8 Board 1 ID 13 Board 2 ID 14 Board 3 ID 15 Board 4 ID 16 4 LIN Network Reflects the setting of the DIP switch S1 2 OFF Stand Alone Mode ON CNA Mode 5 Channel Reference Displays the channels that are receiving a reference signal from the dimmer p...
Page 29: ...to indicate a successful transfer 3 The LCS Dimmer is off and the eCNA is on Data is changed at the eCNA The data is transferred and saved to the LCS Dimmer when it is powered on 4 The LC Dimmer is on and the eCNA is off Data is changed at the LCS Dimmer The message TRANSFERRING DATA TO CNA is displayed followed by CAN T CONNECT TO CNA This message is displayed until a key is pressed or the eCNA i...
Page 30: ...rop of up to 25 allowing for significantly longer circuit branch runs A19 Lamp Specifications Part Number LED7A19 650 27 36V Light Output 650 lumens Energy Used 6 9 Watts Volts 36VDC Bulb Type A19 Base Type Medium Screw E26 Color Temperature 2700K CRI 80 Dimmable Yes 0 to 100 Patent Pending PAR38 Lamp Specifications Part Number LED13PAR38 1100 27 36V Light Output 1100 lumens Energy Used 12 6 Watts...
Page 31: ... Voltage 36 Load Circuit 1 PH 2 W Power Factor 1 Insulation Temp 90 C 194 F Conductor Copper Conductors per Phase 1 Conduit PVC ABS Maximum Voltage Drop Percentage VD at end of circuit 13 73 Segment Segment Segment VA Segment Segment Total Number Size Feet Load Amps VD VD 1 12 30 12 6 8 40 2 84 2 84 2 12 10 12 6 8 05 0 91 3 75 3 12 10 12 6 7 70 0 87 4 62 4 12 10 12 6 7 35 0 83 5 45 5 12 10 12 6 7 ...
Page 32: ...ize Feet Load Amps VD VD 1 14 30 12 6 8 40 4 51 4 51 2 14 10 12 6 8 05 1 44 5 95 3 14 10 12 6 7 70 1 38 7 33 4 14 10 12 6 7 35 1 32 8 65 5 14 10 12 6 7 00 1 25 9 90 6 14 10 12 6 6 65 1 19 11 09 7 14 10 12 6 6 30 1 13 12 22 8 14 10 12 6 5 95 1 07 13 29 9 14 10 12 6 5 60 1 00 14 29 10 14 10 12 6 5 25 0 94 15 23 11 14 10 12 6 4 90 0 88 16 11 12 14 10 12 6 4 55 0 81 16 92 13 14 10 12 6 4 20 0 75 17 67...
Page 33: ...ge VD at end of circuit 4 28 Segment Segment Segment VA Segment Segment Total Number Size Feet Load Amps VD VD 1 12 30 201 6 8 40 2 84 2 84 2 12 10 12 6 2 80 0 32 3 16 3 12 10 12 6 2 45 0 28 3 44 4 12 10 12 6 2 10 0 24 3 68 5 12 10 12 6 1 75 0 20 3 88 6 12 10 12 6 1 40 0 16 4 04 7 12 10 12 6 1 05 0 12 4 16 8 12 10 12 6 0 70 0 08 4 24 9 12 10 12 6 0 35 0 04 4 28 Note As the first segment carries th...
Page 34: ...1 Channel 200W LED Wall Mount Dimmer LCS 200W2C 2 Channel 200W x 2 LED Wall Mount Dimmer LDP 320W1C Wall Mount Expansion Cabinet Accepts control signal from the QDC 400 Control Board 1 Channel 320W LED Wall Mount Expansion Cabinet LDP 320W2C 2 Channel 320W x 2 LED Wall Mount Expansion Cabinet LDP 200W1C 1 Channel 200W LED Wall Mount Expansion Cabinet LDP 200W2C 2 Channel 200W x 2 LED Wall Mount Ex...
