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Installation Instruction Guide for 

CMC-21, CMC-28, CMC-35 

Compact Modular Cabinets (CMC) 

Material ID 860647713 

Rev B, V.05, 

February 2022 

 

 

© 2022 CommScope, Inc., Confidential and Proprietary, 

For Customer Use Only, All Rights Reserved 

Page 1 

38 Pages 

 

Customer Service Information 

■

  Technical support 

Call:

 1-800-255-1479 (Option3 / Wireless Products) – 

Web:

 

www.commscope.com/wisupport

. 

Safety Agency Statements and Safety Precautions 

  Safety Agency Statements: 

■

  Only qualified personnel are to install and maintain the cabinet. 

■

  Install cabinet within a restricted access location where access is by use of a tool, lock and key or 

other means of security; and controlled by the authority responsible for the location. 

■

  The cabinet is only suitable for mounting on a concrete or other noncombustible surface. 

■

  Maximum ambient temperature (Tma) of 46º C (115º F) permitted by manufacturer specification.  

■

  All conduit hubs must be of Type 3R or equivalent to maintain the cabinet as 

Rainproof

. 

■

  It is essential to connect the cabinet to earth ground before connecting supply, high leakage current. 

■

  All cabinet equipment cabling is to meet applicable NEC

1

 and network communications standards. 

  Safety Precautions: 

Note: 

In areas that utilize joint buried plant, and per company practice, test and verify that voltage is not 

present on the cable shield. If voltage is present on the shield, stop work and notify supervision. 

■

  Follow all product warnings and instructions as specified in this document, cabinet and equipment 

labels inside the cabinet to reduce risk of fire, electric shock, and injury. 

■

  Install all equipment and supplied hardware as specified in this document. 

—  Install only approved devices in the cabinet and do not drill, saw, or cut inside the cabinet. 

—  Never install cable, connectors, jacks in a wet location unless designed for wet locations. 

—  Never install electrical equipment during a thunderstorm, there is risk of electric shock. 

—  Never touch uninsulated live power wires or terminals, always disconnect from power first. 

—  It is mandatory to use insulated tools using power and hand tools. 

■

  Do not transport or lift cabinet with the batteries installed, or store batteries inside cabinet. 

■

  All personnel must wear standard safety headgear, eye protection, and insulated gloves (if required). 

■

  At all times, keep bystanders away from all work operations. 

  Warning: 

Do not drill or punch any holes in the cabinet. Use only the provided 

knockouts in the cabinet for cable ingress and cable egress. 

Drilling or punching holes in any other location will immediately void 

the warranty. No exemptions.

 

 

 

1

 Registered trademark of the National Fire Protection Association. 

Содержание CMC-21

Страница 1: ...t buried plant and per company practice test and verify that voltage is not present on the cable shield If voltage is present on the shield stop work and notify supervision Follow all product warnings and instructions as specified in this document cabinet and equipment labels inside the cabinet to reduce risk of fire electric shock and injury Install all equipment and supplied hardware as specifie...

Страница 2: ...to Concrete Pad or Steel Structure 14 Step 4 Fasten Cabinet to Concrete Pad or Steel Structure 15 Step 5 Route and Connect Cables 17 Step 6 Connect Cabinet to Main Earth Ground 19 Step 7 Connect Cabinet Outgoing Office Alarms 19 Step 8 Connect Cabinet to Main Power Source Turn up 19 Section 3 Pole and Wall H Frame Mounting 20 Pole Mount Kit 760242250 20 Wall H Frame Mounting Kit 760242247 24 Insta...

Страница 3: ... Side wall rear and floor knockouts for cable ingress egress Figure 2 Reference Documents and Manuals Make sure to have these documents provided with the cabinet in hand at time of installation and refer to them as needed Installation Guide This document Equipment Manuals Vendor manuals pertaining to equipment installed in the cabinet such as a power system Cabinet Weights approximate CMC 21 Empty...

Страница 4: ...A 20 Pos External AC Load Center SPD DC Power System Dxx xx represents various DC shelf configurations 1 for ABB 2 for EV and so on up to 99 D00 No DC Power System D01 460158782 ABB Infinity 150045762 600A NE S 4824 23 AC5H PS8 DC1E 6RU D02 460143035 ABB 2RU Infinity Flex 19 Three Slot Rectifier chassis plus 1RU distribution D03 460152515 ABB 3RU Infinity Flex 19 Three Slot Rectifier Chassis plus ...

Страница 5: ... or 8RU 14 or 13RU 2 1095 1147 lbs 497 520 Kgs 14 or 16RU 7 or 5RU 3 1559 lbs 707 Kgs 21RU 0RU CMC 28 0 203 363 lbs 92 165 Kgs 0RU 28RU T1 T2 D3 D5 1 667 827 lbs 301 375 Kgs 7 or 8RU 21 or 20RU 2 1131 1231 lbs 513 558 Kgs 14 or 16RU 14 or 12RU 3 1595 1695 lbs 724 769 Kgs 21 or 24RU 7 or 4RU 4 2059 lbs 934 Kgs 28RU 0RU CMC 35 0 275 435 lbs 125 197 Kgs 0RU 35RU T1 T2 D3 D5 1 739 899 lbs 335 408 Kgs ...

Страница 6: ...CommScope Instruction Guide 860647713 Rev B V 05 Page 6 38 Pages Cabinet Views Figure 1 Front Views CMC 21 Example Figure 2 Left Rear and Right Views CMC 21 Example ...

Страница 7: ... 05 February 2022 Page 7 38 Pages Figure 3 Compartment Views CMC 21 Example Figure 4 Right Side Views with Optional 100 or 200 Amp AC Load Center CMC 21 Example Figure 5 Equipment Cabinet with Solar Shield On or Off CMC 21 Example ...

Страница 8: ...anger of the unit and converts it to a gas This exchange allows the gas to move into the exterior heat exchanger where it is converted back into a liquid that delivers heat out to exterior air All units have a DC power input and alarm output terminal block and RJ45 ports Door with Air Conditioner DC Power D1 D7 A CMC cabinet may utilize a DC unit per cabinet configuration and operating requirement...

Страница 9: ...s AC load center on cabinet right side to clarify door clearances Optional AC load center can be mounted per customer request on either side However AC load center should not be installed on the left side for wall H frame mounting Figure 8 Top View Door at 90º and 110º for CMC 21 28 and 35 Cabinets ...

Страница 10: ... out and pull up on panel to remove the panel from the opening To remove the panel from the cabinet disconnect ground cable from the green connector shown in Figure 9 Prior to replacing the panel make sure to reconnect ground cable to green connector Installation Tilt panel bottom in and insert bottom into cabinet press into panel and close latches Figure 9 Rear Access Panel Removal and Installati...

Страница 11: ...ast four feet long and check for correct installation of the cabinet lifting brackets beforehand Do not remove the cabinet from pallet and open the door cabinet tip over may occur causing injury to field personnel To prepare cabinet for installation 1 Remove all shipping material and the door key from the cabinet Note The cabinet contains desiccant bags inside to reduce moisture Until service turn...

Страница 12: ...Figure 15 Pad gasket is between the cabinet floor or base of plinth on pallet Use pad gasket as a template to drill anchor holes into the concrete Figure 12 Figure 14 Figure 18 Note Plinth is an optional order for CMC cabinets and factory installed 2 Remove solar shield to reveal the four eye bolts on the cabinet top Figure 13 Unscrew the M6 12 cap screws lift solar shield and slide it back to rel...

Страница 13: ...asket template onto pad in location where cabinet will be installed and mark front and rear anchor locations per Figure 14 for cabinet without plinth and Figure 15 for cabinet with plinth then remove the gasket 2 Do the following Figure 16 a Drill six holes using the correct diameter drill bit to fit anchors in place and to correct depth b Remove drilling debris with a blowout bulb or compressed a...

Страница 14: ...inet with batteries prior to cabinet pad installation To lift and position cabinet onto a concrete pad or steel structure 1 Remove cabinet rear panel and use all four eyebolts to lift the cabinet Figure 17 2 Attach four slings of sufficient length for safe operation to boom line with a B connecting link or clevis and fasten other ends of slings to each eyebolt with a B connecting link or clevis Fi...

Страница 15: ...rete pad or structure from cabinet pad mount holes per Figure 14 and Figure 20 CommScope requires use of six mounting holes For some pad applications install a steel structure onto the pad and fasten cabinet to structure recommended For pad installations customer provides anchors or inserts to fit the 1 2 13 x 1 5 bolts provided with the installation kit Table E For structures customer provides ad...

Страница 16: ...ad Thread bolts with washers into anchors or inserts 1 5 bolts with 1 2 lock and flat washers along with the rubber washers Figure 22 Do not tighten bolts until all are in place Steel Structure Fasten cabinet to steel structure with customer provided 1 2 x 2 5 bolts nuts flat and lock washers Figure 23 Figure 22 Fastening Cabinet to Concrete Pad Figure 23 Fastening Cabinet onto Steel Structure ...

Страница 17: ...f routing cable through pad structure remove floor knockouts punch outside to inside before placing cabinet onto pad Figure 14 Figure 15 Figure 24 Bring in cable through knockouts on left and right walls and cabinet base Figure 24 to Figure 27 Use door key to open and remove rear panel for cable access Figure 9 Use knockouts on cabinet topside only for stacking two cabinets CMC 21 only Figure 17 F...

Страница 18: ...CommScope Instruction Guide 860647713 Rev B V 05 Page 18 38 Pages Figure 26 Cabinet Knockout Locations CMC 28 Figure 27 Cabinet Knockout Locations CMC 35 ...

Страница 19: ...et equipment connected to power system DC light fuse panels overvoltage protection units fiber panels and remote monitoring units Cooling systems Thermosiphon and air conditioner AC electrical outlet GFCI Important A licensed electrician is to install all electrical connections conforming to NEC state and local codes Properly ground all site equipment before any electrical connections AC feeds fro...

Страница 20: ... 35 Note If pole diameter is larger than 8 5 do not use the 18 rods from the kit Table F and use threaded rods that are longer customer provides to fasten the brackets to the pole 760242250 Kit Weights Without hardware 61 2 lbs With hardware 69 2 lbs Table F AMK 760242250 Parts List Item Part No Description Qty 1 100526 37 Nut Hex Din 934 M10 SST Pass 4 2 860560721 Upper Mounting Bracket 1 3 86056...

Страница 21: ...Material ID 860647713 Rev B V 05 February 2022 Page 21 38 Pages Figure 29 Pole Hanging Brackets with Upper and Lower Mounting Brackets Kit 760242250 Figure 30 Fasten Wall Support Bracket to Cabinet ...

Страница 22: ...ally position pole mount upper and lower mounting brackets on an eight inch pole You may also vertically position the pole mount brackets on poles larger than eight inches per Figure 33 Figure 31 Pole Mount Bracket Positions for CMC 21 28 35 Cabinets 8 Inch Pole Pole Mount Kit 760242250 Pole Mount Clearances 8 Inch Figure 32 Cabinet with HX Door Installation onto Pole Rear Right and Left Side ...

Страница 23: ...hole locations for the lower pole mount bracket Assemble the upper mounting bracket to one of the pole mount brackets per Figure 29 Assemble the lower mounting bracket to the other pole mount bracket per Figure 29 b Drill holes for lower pole mount bracket and fasten bracket to pole with kit hardware Figure 29 Note If pole diameter is larger than 8 do not use 18 rods from kit Table F Obtain longer...

Страница 24: ...x Nuts M10 1 5 SST PASS 4 4 100534 19 Screw HCS HEX M10 x 25 SST PASS 4 5 100719 1 Screw M6 x 16 HWH SST 3 6 860560721 Pole Wall Mount Upper Bracket CMC 1 7 860647385 Pole Wall Mount Lower Bracket CMC 1 8 t 860647392 Wall Support Bracket 1 Figure 34 Wall H Frame 760242247 Upper and Lower Mounting Brackets Front View 760242247 Setting Upper and Lower Mounting Bracket Positions Use the guidelines in...

Страница 25: ...r Table C hole size for both upper and lower mounting brackets is 5 8 Plan the installation per Figure 35 To mount the brackets to an H Frame on a wall Figure 37 Note Make sure the wall and frame can support a minimum cabinet weight per Table C and is structurally reliable 1 Mark position of the lower strut first to required cabinet mounting distance above ground level 2 Mark position of hole to h...

Страница 26: ...rk position of hole to hole distance between upper and lower struts and set hole distance between upper and lower struts plus or minus 0 30 C C as given per Figure 35 For CMC 21 at 38 62 per example in Figure 38 For CMC 28 at 50 87 per example in Figure 38 3 Drill the mounting holes and fasten the struts to the poles with customer provided hardware 4 Fasten the upper and lower mounting brackets to...

Страница 27: ...in cabinet or lift cabinet with batteries prior to installation on pad To install the cabinet onto the mounting brackets 1 Lift cabinet and position side of cabinet to mount onto the brackets 2 Guide the cabinet so that support bracket aligns between the two tabs of upper bracket Figure 39 Place edge of cabinet support bracket over top edge of upper bracket so it interlocks with the upper bracket ...

Страница 28: ... M10 screw through each hole into rivnut per Figure 29 Fasten screws with lock and flat washers from kit to rivnuts b There will be two other clearance holes that align between lower bracket and cabinet floor Slot M10 screws through cabinet floor per Figure 29 and fasten M10 screws from inside cabinet with a hex nut from kit Hole pattern shown on Figure 29 matches Figure 40 Cabinet Side Mount a Al...

Страница 29: ...zing agent Note A usual practice is to apply a solution of about one pound 500 grams bicarbonate of soda to one gallon 4 liters of water Carefully pour add the bicarbonate solution of soda onto spilled electrolyte until evidence of reaction foaming ceases Flush the resulting liquid with water and allow area to dry Battery Safety Recommendations Always wear eye protection when installing and removi...

Страница 30: ...t and per local or regional practice Use only UL approved VRLA batteries that meet the lower explosive UL requirement in agreement with the battery manufacturers product instruction manual Maximum Battery Dimensions Height 12 3 Width 5 3 per battery max string width not to exceed 21 44 or 5 3 x 4 Depth 21 0 do not exceed this depth Apply battery dimensions as required toward use of battery tray de...

Страница 31: ...alent parallel resistance and the interconnecting conductors to the input termination point of this equipment Use these values to verify you do not exceed the DC short circuit current withstand rating of the equipment and that the overcurrent protection devices have the required interrupting capability Field installed or replaceable components that intentionally interrupt output short circuit curr...

Страница 32: ...tion Figure 41 Figure 42 For standard lug connection to RTN and 48 V terminals Figure 44 set cables clear of batteries and do not remove protective covers until ready to connect 4 Cover the door gasket on the lower door flange to protect it from any damage Figure 41 Figure 41 Front Battery Retainer Bracket Removal VRLA Installation Step 2 VRLA Battery Installation Important Do not remove protectio...

Страница 33: ...asher and nut of per Figure 42 Refer to the SD if installing more than one string of batteries Figure 42 Example of Battery Busbar and Thermal Probe Connections 4 Repeat steps 1 4 to install additional strings in the cabinet For Anderson connectors do not fasten string connector until after installing all strings For standard lug connections do not connect string to circuit breaker or master busba...

Страница 34: ...ives inside each CMC 28 35 battery cabinet as provided by the factory at time of manufacture Have the SD on hand to look at for battery and thermal probe connection details Verify all parts per Table H are in the kit For missing or damaged parts call technical support at 1 800 255 1479 Option 3 Wireless Products Table H CMC 28 35 Battery Interconnect Kit 860651309 Parts Item Qty Part Number Descri...

Страница 35: ...Figure 46 and Figure 47 as knockouts are aligned to each other Customer will need to purchase additional hardware for smaller sized knockouts Note Customer can opt to use upper knockouts between non matching cabinets and purchase additional hardware to accommodate spacing Figure 45 Knockout Removal Matching CMC Cabinets Top of Cabinet Figure 46 Knockout Removal Non Matching CMC Cabinets Bottom of ...

Страница 36: ...arm upper conduit to alarm block alarm label 22 AWG if available Thermosiphon power lower conduit to power shelf DC power label 18 AWG if available 6 Install batteries in cabinet per Section 3 adding thermal probes from kit at time of installation Refer to the cabinet SD and also Figure 42 7 Connect thermal probes and interconnect probe cables items 2 and 3 to cabinet batteries For Power Equipment...

Страница 37: ...interconnect cables to the cable bracket below the busbars and leave enough cable slack to loop cables below the bracket as shown on Figure 51 c Route cables through lower conduit to power cabinet Figure 47 Figure 50 Figure 51 d Connect load cables as required to the power shelf on power cabinet Note Leave enough cable slack loop from master busbar going to the lower conduit do not pull cables tig...

Страница 38: ...that power shelf controller recognizes thermal probes from battery cabinet Perform a probe failure alarm test from controller If needed refer to the manual provided with the cabinet b Verify that thermosiphon runs if available c Verify LED light switch operates d Verify door hi temp thermostat if available and thermosiphon if available alarms are operable ...

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