ETC Unison AX Series, Installation Manual

Page 1: ...Part Number 7183M2110 Rev B Released 2019 08 Unison Auxiliary Enclosure Series Installation Manual ...

Page 2: ...rademarks and patents go to etcconnect com ip All other trademarks both marked and not marked are the property of their respective owners ETC intends this document whether printed or electronic to be provided in its entirety ...

Page 3: ...Wire 4 Maximum Current Draw of Enclosures 5 Short Circuit Current Rating SCCR 5 Where to Install the Enclosure 6 Clearance Requirements 6 Enclosure Dimensions and Weights 6 Installation Environment Requirements 7 Wire Routing and Specification 7 Chapter 2 Install Enclosures 9 Mounting Auxiliary and DRd Enclosures Together 9 Chapter 3 Rough in Conduit and Wiring 11 Rough in Line Conduit to the Auxi...

Page 4: ...re Installation Chapter 5 Final Installation and Power Up 17 Check Main Power Wiring 17 Sealing Enclosure Air Leaks 17 Appendix A Dual DRd12 with Cross Bussed ACP 18 Data Interconnect Cable 18 Installation Procedure 19 ...

Page 5: ... DRd12 3Ø 4 wire AX12X Series Cross bussed Auxiliary Enclosures Series Voltage Notes AX12X MCB 1 400 100 120 VAC 400 A main breaker for 2 DRd12 1Ø 3 wire AX12X MCB 3 400 100 277 VAC 400 A main breaker for 2 DRd12 3Ø 4 wire AX12X ML 1 600 100 120 VAC Main Lug with cross bussing for 2 DRd12 enclosures 1Ø 3 wire 600 A maximum main feed AX12X ML 3 400 100 277 VAC Main lug with cross bussing for 2 DRd1...

Page 6: ... are troubleshooting DMX control source if any Please email comments about this manual to TechComm etcconnect com Americas United Kingdom ETC Inc ETC Ltd UK Technical Services Department Technical Services Department 3031 Pleasant View Road 26 28 Victoria Industrial Estate Middleton WI 53562 Victoria Road 800 775 4382 USA toll free London W3 6UU England 1 608 831 4116 44 0 20 8896 1000 service etc...

Page 7: ...s main breaker for DRd12 300 A 1Ø 3 wire AX12 MCB 3 200 includes main breaker for DRd12 200 A 3Ø 4 wire AX12X Series Enclosure Options Unison AX12X cross bussing enclosures are designed to provide main lug or main breaker input feed termination for cross bussed DRd12 applications AX12X ML 1 600 includes cross bussed main lugs for 2 DRd12 600 A 1Ø 3 wire AX12X ML 3 400 includes cross bussed main lu...

Page 8: ...bend radii from the National Electrical Code NEC Bus cabling to DRd enclosures must use the included copper cable to satisfy the requirement that the DRd is fed by copper wire only and to meet UL bend radius limitations Wiring for all terminations in the AX and DRd cabinets should be sized per the 75 C ampacity column in the NEC WARNING RISK OF ELECTRIC SHOCK Auxiliary enclosures installed without...

Page 9: ...se 3Ø 80 A 60 A AX12 Single phase 1Ø 240 A Three phase 3Ø 160 A 120 A AX12X Single phase 1Ø 480 A Three phase 3Ø 320 A 240 A Enclosure Configuration SCCR at 100 120 VAC SCCR at 240 277 VAC DRd6 with AX6 main circuit breaker enclosure 100 000 A 65 000 A DRd12 with AX12X cross bussed main lug enclosure 22 000 A 22 000 A DRd12 with AX12 main circuit breaker enclosure 100 000 A 65 000 A DRd12 with AX1...

Page 10: ... Unison enclosures are designed for side by side use without issue Enclosure Type Height Width Depth Product Weight Shipping Weight AX6 MCB enclosure 551 mm 21 11 16 in 330 mm 13 in 203 mm 8 in 12 5 kg 27 lb 10 oz 16 kg 35 lb AX12 MCB enclosure 787 mm 31 in 15 kg 33 lb 20 kg 40 lb AX12X ML enclosure 787 mm 31 in 12 7 kg 28 lb 16 kg 35 lb AX12X MCB enclosure 787 mm 31 in 15 kg 33 lb 20 kg 40 lb 12 ...

Page 11: ...nside could result in serious injury or death De energize main feed to the dimmer rack and follow appropriate Lockout Tagout procedures as mandated by NFPA 70E It is important to note that electrical equipment such as dimmer racks can present an arc flash hazard if improperly serviced This is due to the high amounts of short circuit current available on the electrical supply to this equipment Any ...

Page 12: ...ssing and data interconnect feed through to the adjacent DRd dimming enclosure s The corresponding number of chase nipples with integral bushings are included Wire Access Location Wire Feed wire Interconnect wiring to DRd enclosure Top of enclosure Acceptable Not recommended Bottom of enclosure Preferred Not recommended Left side Not recommended Preferred Right side Not recommended Preferred ...

Page 13: ...equirements detailed in Where to Install the Enclosure on page 6 2 Use the measured slot dimensions located in the graphic below to mark the hole locations for the mounting hardware 3 Drill the holes and install the mounting hardware for each enclosure Four 8 mm 3 8 in bolts or screws 50 100 mm 2 4 in long and suitable wall plugs are suggested mounting hardware lag bolts recommended Both the surfa...

Page 14: ... Manual 6 Align the auxiliary enclosure against the left side of the DRd enclosure and mount it to the previously installed mounting hardware Notice with conduit holes mated the bolt spacings are on 16 centers top left DRd and top left AX enclosure for installation convenience 7 For cross bussed DRd12 enclosure installations install the second DRd12 by following steps 4 through 6 above 8 Check tha...

Page 15: ...ire Routing and Specification on page 7 Line or input feed wires for standard AX series enclosures should enter through the top or bottom All terminations are accessible from the front of the enclosure DRd enclosure with AX enclosure Two DRd12 enclosures with AX12X enclosure ...

Page 16: ... lugs 5 Punch conduit holes top or bottom as required by the wire entry plan 6 Install conduit fittings or insert fish paper lining material into the opening 7 Be sure there are minimal air gaps SeeSealing Enclosure Air Leaks on page 17 Main Lug Support Panel Breaker Position The unit ships with the support panel in the top feed position shifted to the bottom of the AX These positions are to compl...

Page 17: ...LECTRIC SHOCK Failure to disconnect all power to the panel before working inside could result in serious injury or death De energize main feed to the dimmer rack and follow appropriate Lockout Tagout procedures as mandated by NFPA 70E It is important to note that electrical equipment such as dimmer racks can present an arc flash hazard if improperly serviced This is due to the high amounts of shor...

Page 18: ...ach cable and terminate them to the lugs Line connections are labeled L1 L2 L3 for three phase and N The equipment grounding lug is labeled with the universal grounding symbol for easy identification 3 Tighten the lugs to the correct torque based on cable size Refer to the following table Phase lugs Neutral lugs Ground lugs Neutral lugs Phase lugs Ground lugs Main Lug Main Circuit Breaker ...

Page 19: ... 1 phase AX6 MCB Phase Dual 70 185 mm2 2 0 AWG to 400 kcmil or Single 50 to 300 mm2 1 AWG to 600 kcmil Dual 70 to 185 mm2 2 0 AWG to 400 kcmil or Single 50 to 300 mm2 1 AWG to 600 kcmil 42 3 Nm 375 in lb 5 16 Neutral Dual 25 to 240 mm2 4 AWG to 500 kcmil Dual 25 to 240mm2 4 AWG to 500 kcmil 42 3 Nm 375 in lb 3 8 Ground Single 10 to 50 mm2 6 to 2 0 AWG Single 30 to 50 mm2 3 to 2 0 AWG 22 6 Nm 200 i...

Page 20: ...lugs inside the DRd enclosure using the supplied copper foil to avoid damaging the fine stranding of the extra flexible wire 4 Tighten the lugs to the correct torque based on cable size Refer to the table on the previous page 5 Fill empty spaces of the conduit openings with UL CE approved filler Note Tie wrap the interconnect cables to the back wall of the DRd immediately after they are pulled thr...

Page 21: ...uit openings with fish paper and UL cUL approved filler 3 Seal any air gaps caused by bent access panels 4 Fill in any gaps inside partially filled wiring conduit 5 Fill in other gaps or holes in the cabinet created during installation 6 Any enclosures that are installed side by side bolted together should only have minimal airflow between them WARNING RISK OF ELECTRIC SHOCK Auxiliary enclosures i...

Page 22: ...ard in each DRd enclosure The ends of the interconnect cable are labeled Rack 1 and Rack 2 to indicate where each end of the cable should be installed Rack 1 is the enclosure with the ACP Rack 2 is the enclosure without the ACP CAUTION If the power feeds to the DRd12 enclosures are not identical in power and phase dimming performance may be poor and unreliable A B C Rack 2 Rack 1 E F D A Ground wi...

Page 23: ...e four screws securing the Right I O board to the enclosure b Insert the screw through the ring terminal and replace the screw 6 Continue with Final Installation and Power Up on page 17 WARNING RISK OF ELECTRIC SHOCK Failure to disconnect all power to the panel before working inside could result in serious injury or death De energize main feed to the dimmer rack and follow appropriate Lockout Tago...

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