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Pyrotenax Commercial MI Wiring Cable Installation Manual for

1. Utility transformer Utility connection rical room main Flexible tails switchgear AuickTermJ Brass kit plate QuickTerm terminatidn kit Figure 34 Typical System 1850 SE power circuit 58 EN PyrotenaxMlcommercialwiring IM H57864 05 15 Installation 7 Important The SE PROTECT lightning protection kit must be used in areas where lightning activity is exceptionally high and may also be used in any loca tion where there is a concern about lightning activity Arrange the cable runs in the configurations shown in Figure 35 Bundle the cables in groups containing one conductor from each phase with the sheaths touching over the entire length of the run except when entering the enclosure Figure 14 Where parallel runs are required cable bundles must be spaced distance S apart as shown in Figure 35 If using a Separate equipment to ground bond ing conductor bundle it within the cable group and when entering the enclosure connect it to the brass plate using an appropriate connector and then bond the plate to the enclosure see Section 5 1 for fur ther information on using brass plates Follow the requirements of the NEC as applicable when install ing parallel runs of cable Single circuit Two cables in 00 OO parallel per phase Bo Three or more cables 00 00 00 in parallel per phase Note For
2. al cutting slots in the metal between the indi vidual holes through which the individual conduc tors pass b passing all the conductors in the circuit through a brass plate sufficiently large for all of the conductors of the circuit Figure 14 e Multiple circuits shall be appropriately spaced for ampacity considerations e Ensure that you do not invalidate the listing of the equipment when cutting holes e Install cables in accordance with the applicable requirements of the NEC or CEC and all other state provincial or local codes Moisture Absorption The magnesium oxide insulation of MI cable absorbs moisture when left exposed to air causing the insulation resistance IR to fall Low IR can be corrected as outlined in Appendix C Expansion and Vibration When crossing expansion joints or when connect ing the cable to vibrating equipment it may be nec essary to take precautions to prevent mechanical damage to MI cable See Appendix B for details Protection Against Corrosion Bare copper sheathed MI cable can be used without additional protection for most commercial installa tions In areas of high humidity or where moisture is present and the bare copper cable is in contact with dissimilar metals it is recommended that the cables be supported as follows 20 EN PyrotenaxMlcommercialvviring IM H57864 05 15 5 Installation e For fire rated applications wrap electrical tape around the co
3. e Do not drop reels from any height particularly from trucks or other transporting equipment Lift or handle cable reels in such a manner that the lifting handling device does not make direct contact with the cable or its protective covering e Take precautions to ensure that the flange of one reel does not impact the cable on another reel EN PyrotenaxMlcommercialvviring IM H57864 05 15 9 Storage and Handling 7 Important If a reel is dropped or damaged or the protective covering is damaged examine the MI cable The following lifting methods are recommended Figure 4 e Insert a suitable properly secured shaft through the reel arbor hole and lift with slings using a crane or boom type equipment Use a spreader or other device to minimize sling pressure against the reel flange e Move smaller narrower reels using a forklift Place fork tines so that lifting pressure is on both reel flanges not on the cable 10 EN PyrotenaxMlcommercialwiring IM H57864 05 15 3 Storage and Handling 1 Reels can be hoisted vvith a Do not lift by a single reel properly secured shaft flange Cable or reel may be extending through both damaged flanges K Cradle both reel flanges Never allow fork tines to between fork tines touch the cable surface or reel wrap Lower reels froma Never drop reels truck using a hydraulic gate hoist or fork lift LOWER CAREFULLY Right
4. parallel per phase 000 060 alternative Three or more cables di 52 o 552 o in parallel per phase hd preferred OO 08 Three or more cables in parallel per phase 000 000 000 alternative Note For free air ampere ratings the spacing S between bundles shall be a minimum of 2 15 cable diameters in the U S NEC and Canada For magnetic effect purposes the neutral may be located as shown or outside groups in the most convenient location Free air ratings do not apply to polymer jacket cable Figure 16 Recommended installation configurations single phase EN PyrotenaxMlcommercialvviring IM H57864 05 15 33 Installation Si le circuit d Si le circuit alternative 000 paralle Two cables in di E per phase o preferred o paralle wo cables in 7 000 600 alternative in paralle Three or more ae e S iy p pr tkrred 66 66 in paralle Three or more cables alternative per phase 000 000 000 Note For f ree air ampere ratings the spacing S between bundles shall be a minimum of 2 15 cable diameters in the U S NEC and Canada CEC For magnetic effect purposes the neutral may be located as shown or outside groups in the most convenient location Free air ratings do not apply to polymer jacket cable Figure 17 Recommended installation co
5. please check all that apply Q Fire Rated Application System 1850 Q Service Entrance Application System 1850 SE Q Non Fire Rated Application System 1850 for Space Saving Fire Alarm Application System 1850 Twisted Pair Q QuickTerm Termination Kits Q PyroPak Termination Kits Q New Construction Retrofit UO Repair Q Office O Healthcare 4 Other Institution Transit PENTAIR TOOLS USED please check all that apply Q Sheathmaster U Ratchet Stripper Q Pyropotter Tool Q MIC Handle Crimper Q CC Screw Crimper Q Handvise Small Bending Hickey 4 Pyrohickey Q STRSM Cable Straightener VISUAL INSPECTION UPON RECEIPT Date Q MI Cable sizes and sheath outer diameters match system documentation and purchase order Q MI Cable Sheath appears to be free of damage Q MI Cable Joints if applicable appear to be free of damage Q MI Cable Temporary End Seals appear to be intact Q MI Cable Reels have been handled and stored according to published guidelines Q IR Testing has taken place after the items above have been verified If you notice any material damage upon receipt notify your supplier immediately Record Test Results for each circuit on the table on the next page Keep this booklet somewhere safe You will need it for subsequent testing and for your warranty report 72 EN PyrotenaxMlcommercialwiring IM H57864 05 15 5 Testing VISUAL INSPECTION AFTER PULLING D
6. All other trademarks are the property of their respective owners Pentair reserves the right to change specifications without prior notice 2006 2015 Pentair THERMAL BUILDING SOLUTIONS EN PyrotenaxMlcommercialvviring IM H57864 05 15
7. Do not use a metal hammer alone as it may result in unsightly dents that cannot be removed EN PyrotenaxMlcommercialvviring IM H57864 05 15 21 Installation support mallet Figure 8 Straightening and dressing MI cable Bending Radius All normal bending may be carried out without the use of tools however two sizes of bending hick eys are available from Pentair refer to System 1850 Tools Data Sheet H57603 for use with the larger diameter cables or when multiple bends are required These hickeys are specially designed to prevent cable damage during bending Figure 9 Alternatively a conduit bending tool may be utilized When offsetting the cable to enter an enclosure via a gland 2 to 3 in 50 to 75 mm of straight cable should be left between the gland and the final bend to facilitate withdrawal of the gland from the enclosure EN PyrotenaxMlcommercialvviring IM H57864 05 15 5 Installation Figure 9 Bending MI cable The minimum bending radius for permanent training of Pyrotenax MI cable is shown in Table 1 The rela tionship between cable diameter and bending radius is shown in Figure 10 Bend in small increments Do not try to make the entire bend in one operation Shape into final position gradually TABLE 1 MINIMUM BENDING RADIUS Cable 0 D Outside diameter NEC CEC 0 75 in 19 mm and smaller 5 times cable 6 times cable diameter diameter Larger than 0 75 in
8. listing check with the enclosure s manufacturer if in doubt When cutting a hole in the enclosure is not allowed the cables must be terminated into an intermediate enclosure through a brass plate and introduced into the listed enclosure through a con ventional raceway entry Figure 13 Bond the brass plate to the enclosure using a prop erly sized bonding conductor refer to NEC CEC for guidelines This is achieved by drilling and tapping an appropriate sized hole at a suitable location on the brass plate and bolting a connector sized for the bonding conductor to the plate The brass plate is not required when installing multiconductor cables In the USA the NEC requires the brass nonferrous plate for all single conductor cables In Canada the CEC requires the brass plate only when conductor current exceeds 200 A Important Ensure that enough material remains around the edges of the enclosure to allow the brass plate to be attached to the enclosure as shown in Figure 12 EN PyrotenaxMlcommercialwiring IM H57864 05 15 Installation Steel enclosure Cut and remove meta below brass plate leaving just enough material around edge to mount plate Note Not suitable for fire pump controllers Figure 12 Brass plate installation MI cable Fire pump Brass plate controller Steel enclosure Conduit to fire pump controller Entry in accordance with fire pump controller manu
9. securing the joint on top of a section of steel channel and firmly attaching the channel between existing trapeze supports Steel bracket Stainless steel banding Joint LIZ 39 in 39 in Im 1m Support spacing per Table 4 Figure 30 Supporting the factory installed joint EN PyrotenaxMlcommercialvviring IM H57864 05 15 51 Installation Cable Terminations System 1850 must be terminated with one of three approved Pyrotenax terminations kits the QuickTerm kit or the Sized up QuickTerm kit for single conduc tor cables or the Pyropak kit for single and multi conductor cables Figure 31 Follow the instructions supplied with these kits to complete the termination Prior to installing the termination check the cable with a 500 V megohmmeter to ensure the IR is acceptable Refer to Section 6 and the instructions supplied with the termination kit For reference QuickTerm Termination Kit H58290 Sized Up QuickTerm Termination Kit H58264 Pyropak Termination Kit H58872 Important The System 1850 MI cable terminations must be made outside the fire zone Optional Identification Labels To help end users distinguish between System 1850 wiring and copper water supply pipes install self adhesive warning labels every ten feet 3 m on alternating sides of each cable or each bundle of cables where the cables are visible or accessible Catalog number 600VLABEL is
10. tion with 1 2 in 13 mm wide steel banding clips as shown in Figure 21 and Figure 22 Refer to Table 4 for spacing Do not exceed the support spacing shown in Table 4 Anchors for the trapeze system tray MUST BE STEEL Aluminum or other low melting point materials and combustible materials are NOT ACCEPTABLE For further information on the tra peze installation method contact Pentair Thermal Management Technical Support at 800 545 6258 38 EN PyrotenaxMlcommercialwiring IM H57864 05 15 m Installation TABLE 5 LOADING GUIDELINES Cable load Support method Up to 150 lbs 68 kg 3 8 in 10 mm threaded rod Between 150 and 267 lbs 1 2 in 13 mm threaded rod 68 and 121 kg Between 267 and 400 lbs 5 8 in 16 mm threaded rod 121 and 182 kg Channel 1 Maximum width of 1 1 2 in 38 mm channel 36 in 915 mm 2 Maximum load per channel 200 lbs 91 kg Channel may be doubled to increase load to 400 lbs 182 kg or reduce spacing between supports ensuring that cable load does not exceed 200 lbs channel Cable load lbs lbs ft cable x total number of runs x spacing between supports measured in feet Cable load kg kg m cable x total number of runs x spacing between supports measured in meters Ed Important These loading guidelines take into account only the load represented by the MI cable If the trapeze system will be used to support any other cables pipes conduits etc the t
11. Typical MI Cable Applications MI cable may be used in a wide variety of environ ments Typical applications of each cable system within a high rise building are shown in Figure 2 System 1850 2 hour Fire Rated Cable The National Electrical Code and Canadian National Building Code recognize critical electrical circuits which in the event of a fire must continue to per form their intended functions NEC Article 695 and Article 700 address Fire Pump and Emergency System applications respectively Both require a minimum of a 2 hour fire resistance rating which can be achieved by installing Pyrotenax System 1850 MI Cable System 1850 can be found in the following environments e Fire pump feeders Emergency generator feeders Emergency exhaust fans e Emergency lighting Exit signs e Firefighter s elevators Emergency communications systems System 1850 SE Service Entrance Cable System 1850 SE is an MI service entrance wiring cable system that allows service entrance conduc tors to be routed inside the building In some juris dictions the Authorities Having Jurisdiction 5 have accepted this system as an alternative where conditions make concrete encasement difficult or impractical System 1850 SE can be used in the fol lowing environments e High rise buildings Health care facilities e Historic buildings e Airports stadiums hotels banks etc EN PyrotenaxMlcommercialvviring IM H
12. clips Cut a 10 to 12 in 250 to 300 mm piece of strapping from the roll form one end as shown in Figure 26a and push the other end through the banding clip Insert the strapping through the two square holes in the hanger then secure the bracket directly to a fire rated structure such as concrete or masonry using 1 4 in 6 4 mm diameter minimum by 2 1 4 in 57 mm long minimum steel concrete screws or other approved fasteners Figure 26b Insert temporary hangers into several brackets Figure 26c and fix the cables loosely along the lines they are being installed Use the hangers to tempo rarily support the cables Bundle single conductor MI cables tightly together in groups see Figure 16 Figure 17 and Figure 18 for configurations Band the cables to the bracket with the strapping Use a tensioning tool to tighten the strapping and crimp the clip in place with a suitable crimping tool Figure 26d Additionally bundle each group of cables tightly together between supports using the stainless steel strapping and clips as shown in Figure 27 Refer to Table 4 for spacing This minimizes sheath cur rents and stabilizes the cables under short circuit and fire conditions Figure 27 shows the completed installation 46 EN PyrotenaxMlcommercialwiring IM H57864 05 15 Installation Secure to fire rated L structure using approved fasteners Strapping clip a Stainless steel Clip str
13. gt PENTAIR PYROTENAX Commercial MI Wiring Cable INSTALLATION MANUAL FOR SYSTEM 1890 SYSTEM 1850 SE SYSTEM 18507 AND SYSTEM 1850 FOR SPACE SAVINGS WIRING THERMAL BUILDING SOLUTIONS WWW PENTAIRTHERMAL COM Important Safeguards and Warnings NS WARNING FIRE AND SHOCK HAZARD Pyrotenax mineral insulated MI power cables must be installed in accordance with these manufacturer s installation instructions and the requirements of national and local codes In addition fire rated cables must be installed in accordance with all requirements of the UL Electrical Circuit Integrity System Listing Read these important safeguards and carefully follow the installation instructions e Ensure the cable has been stored properly and is in good condition prior to commencing installation e Take all appropriate precautions when installing cables including following OSHA and other applicable regulations e Store pull ropes in a clean dry area out of direct sunlight and away from extreme heat e Store cables indoors in a clean dry area e During the time that the cables are exposed and during cable pulling activities protect cables from nearby or overhead work to prevent damage to the cable sheath e When installing fire rated cables use only steel or copper in the support system no other materials are acceptable e Do not pull cables around corners that have sharp edges such as corners in cable trays or other obstr
14. support alternate method EN PyrotenaxMlcommercialwiring IM H57864 05 15 41 Installation Surface Mounted Using Steel Channel The installation methods shown in Figure 23 and Figure 24 may be used as alternatives to trapeze type support systems For surface mounted installations use 12 gauge 1 1 2 in 38 mm or 1 5 8 in 41 mm minimum gal vanized slotted steel channel with hemmed flange edges Securely anchor the steel channel to a fire rated structure such as concrete or masonry using 1 4 in 6 4 mm diameter minimum by 2 1 4 in 57 mm long minimum steel concrete screws or other approved fasteners Bundle single conductor MI cables tightly together in groups see Figure 16 Figure 17 and Figure 18 for configurations and secure cables in place with 16 gauge minimum steel single bolt pipe clamps sized to correspond with the outside diameter of the cable or cable bundle Figure 23 and Figure 24 Additionally bundle each group of cables tightly together between supports using stainless steel gear clamps or using 1 2 in 13 mm wide by 0 020 in 0 51 mm thick stainless steel straps in conjunc tion with 1 2 in 13 mm wide steel banding clips as shown in Figure 23 and Figure 24 Refer to Table 4 for spacing This minimizes sheath currents and stabilizes the cables under short circuit and fire conditions Do not exceed the support spacing shown in Table 4 For further information on this installation m
15. tem Figure 36 Bundle cables tightly together in groups see Figure 35 for configurations every 2 ft 610 mm using stainless steel gear clamps or 1 2 in 13 mm wide by 0 020 in 0 51 mm thick stainless steel straps in conjunction with 1 2 in 13 mm wide steel banding clips Loop the gear clamps or straps through the holes in the bottom of the tray This will hold the bundles in place and maintain the required spacing S between bundles as shown in Figure 35 Steel rod Concrete Louvered Single Support spacing as conductor specified in Table 8 cables pb or contact Pentair Thermal Management N Spacing S 1 1 2 in 38 mmN 1 1 2in 38 mm steel washers and steel nuts between multiphase paralleled single conductor cables minimum steel channel Figure 36 Typical service entrance installation with tray mounted on steel trapeze 62 EN PyrotenaxMlcommercialwiring IM H57864 05 15 5 Installation Steel Trapeze Mounted Inside Cable Tray Support ventilated cable tray using steel trapeze system Figure 37 and at the spacing shown in Table 7 Bundle cables tightly together in groups see Figure 35 for configurations and secure cables in place with 16 gauge minimum steel single bolt pipe clamps sized to correspond with the outside diameter of the cable bundle Maintain the required spacing S between the cable bundles as shown in Figure 35 In addition bundle cables tightly
16. to observing standard safety practices observe the following e Ensure that the cable reel is properly secured prior to cable installation e Use pulling devices and the pull rope within their rating e Make sure all equipment is in good operating condition e Take appropriate measures to protect personnel in case the pull rope breaks Personnel shall not stand in line with a pull rope that is under tension e Take reasonable precautions to prevent damage to the cable from severe blows with sharp instru ments and pulling over sharp objects 14 EN PyrotenaxMlcommercialwiring IM H57864 05 15 Pre Installation 4 3 e Do not pull cables around corners that have sharp edges such as corners in cable trays or other obstructions Use cable sheaves of the proper diameter see Table 2 on page 24 or hand feed cables if possible e Protect exposed cables from any nearby or over head work that could damage the cable e Do not pull cables around a radius smaller than the minimum pulling radius see Table 2 on page 24 It is recommended that cable sizes from 1 0 AWG to 500 kcmil be pulled one at a time When pulling smaller cable sizes limit pulls of more than one cable run to straight sections only Cables can then be individually pulled past bends using properly sized sheaves or rollers Installation Equipment Pulling Equipment Small diameter MI cables may be installed by hand however it is recomme
17. together every 2 ft 610 mml between supports using 1 2 in 13 mm wide by 0 020 in 0 51 mm thick stainless steel straps or using stainless steel gear clamps Concrete 1 1 2 in 38 mm Steel rod 7 Louvered a and steel cover Aal nuts Tray z Single Support spacing as specified in Table 8 Spacing S between multiphase paralleled single Pipe conduit 1 1 2 in 38 mm conductor cables clamp with minimum steel fasteners channel Figure 37 Typical service entrance installation with steel trapeze mounted inside cable tray EN PyrotenaxMlcommercialwiring IM H57864 05 15 63 Installation Joints Joints are not acceptable for service entrance applications Cable Terminations The installation instructions for the termination pro cedure for the System 1850 SE cable system must be reviewed prior to installation and terminations must be installed under the supervision of a Pentair Thermal Management Field Services Engineer A special SE QuickTerm termination kit is used to splice the solid MI cable conductor to a flexible tail Figure 38 The mastic sealing compound must be carefully kneaded in and around the open end of the cable between the conductor and sheath and then the self amalgamating tape is applied in accordance with the installation instructions Refer to Service Entrance QuickTerm Termination Kit Installation Manual Pentair document H58379 9 Mastic sealing compound Cri
18. used the grounded conductor neutral and all conductors bonding equipment to ground must be contained within the same cable tray or bundled with the cables within a trapeze system or equiva lent unless otherwise permitted in accordance with the NEC CEC These requirements apply separately to parallel circuits e Protect cables from physical damage The cable is generally not installed in conduit Refer to MI cable in the NEC and CEC e Metal components and cable sheath must be of materials suitable for the environment in which they are to be installed e For concrete encasement the copper sheath must be covered with a polymer jacket e Metal supports cable sheath and other metal enclosures for the cables must be metallically joined together and must be connected to all boxes fittings and cabinets so as to provide effec tive electrical continuity e Cable shall be pulled in line with the reel Maintain a slow but steady speed to eliminate galloping surging and avoid reverse bending or EN PyrotenaxMlcommercialvviring IM H57864 05 15 19 Installation overrunning This can be achieved by applying a light back pressure on the cable reel as the cable leaves the reel e Conductors to be joined in parallel shall follow the applicable sections of the NEC CEC e Where a single conductor carrying alternating current passes through metal with magnetic properties the inductive effect shall be mini mized by
19. with a large flame and heat out the cable beginning 12 in 30 cm back from the end Gradually move the flame toward and past the cable end Pyrotenax copper sheath cables should be heated to a blue color Take care not to overheat any one area of the cable sheath as this could damage the cable 68 EN PyrotenaxMlcommercialvviring IM H57864 05 15 5 Testing F Important When heating out MI cable take nor mal safety precautions including full face protection Use a short sweeping motion of the torch and heat about 2 in 5 cm of cable at a time repeating 4 to 5 times Figure 40 Do not sweep the flame in the opposite direction as this will drive the moisture back into the cable Repeat 4 to 5 times 2 in 5 cm Figure 40 Heat 2 in 50 mm at a time Gradually move the flame tovvard the end of the cable vvhile maintaining the short svveeping motion of the torch Figure 41 If you heat toward the cable end too quickly you may skip over the moisture and drive it further back into the cable Figure 41 Stroke flame towards end It may be necessary to repeat the above procedure several times to completely remove all moisture from the cable Allow the cable to cool before repeating EN PyrotenaxMlcommercialwiring IM H57864 05 15 69 Testing The IR of the cables will drop when first heated however after the flame has been removed and the cable cools the I
20. 19 mm 10 times cable 12 times cable diameter diameter see Table 1 Note CEC bending radius shown for 0 75 Cable 0 D and smaller cables Figure 10 Minimum bending radius EN PyrotenaxMlcommercialwiring IM H57864 05 15 23 5 Installation Pulling the Cable into Position Pull the cable into position using a series of sheaves or pulleys Figure 11 This ensures quick and neat installation especially if anumber of cables are being installed along a parallel path Use the recom mended sizes for sheaves or pulleys and observe the minimum pulling radius shown in Table 2 when pulling using undersized sheaves or pulleys will result in work hardening of the cable For 350 and 500 kcmil cables with pulls over 360 degrees in total offsets and bends contact Pentair Thermal Management Technical Support for assistance Do not exceed the maximum allowable pulling tension shown in Table 3 Sheave or pulley properly sized MI cable Figure 11 Pulling MI cable TABLE 2 MINIMUM SHEAVE PULLEY DIAMETER AND PULLING RADIUS Cable diameter Sheave pulley diameter Pulling radius Smaller than 10 in 250 mm or larger 5 in 125 mm 0 5 in 12 7 mm 0 5 to 0 75 in 18 in 460 mm or larger 9 in 230 mm 12 7 to 19 mm Larger than 24 in 610 mm or larger 12 in 305 mm 0 75 in 19 mm 24 EN PyrotenaxMlcommercialwiring IM H57864 05 15 Installation Maximum Allowable Pulling Tension When c
21. 5 15 67 Testing 6 2 Improving Insulation Resistance To maintain the high performance of MI cable the cable must be properly stored and the ends must remain sealed Damaged terminations or end caps that are damaged missing or removed will cause the magnesium oxide insulation white powder to absorb moisture resulting in low IR readings The cable must be heated out to remove the moisture and bring the IR back to an acceptable level Drying out the MI cable to remove any moisture will normally be unnecessary providing the termination seal is completed within a few minutes of removing the sheath With polymer jacketed cables it will be necessary to peel the covering back prior to heating out the cable Fold it backwards along the cable and use electrical tape to hold it in place to prevent damage while the cable is hot After the cable has cooled the jacket can be replaced and wrapped with a layer of electrical tape using a 50 overlap halflaps If moisture is found in the cable when checking IR it may be removed using one of the following methods 1 If excess cable is available 6 to 12 in 15 to 30 cm of cable may be removed from the end before sealing the cable 2 Apply heat to the cable following the procedure below Important Moisture will not normally penetrate more than 12 in 30 cm into the cable If moisture is detected in the cable use an oxyacety lene or mapp gas torch
22. 50 in the ULC Fire Resistance Directory EN PyrotenaxMlcommercialvviring IM H57864 05 15 General Information Ed Important certification notice At the time of publication May 2015 the following elements are not listed or certified for use in 2 hour fire resistive applications Refer to UL online directory for latest updates or contact Pentair Thermal Management Field installed fire rated joints Galvanized zinc coated cable tray System 1850 for Space Savings 1 4 Warranty Pentair Thermal Management Pyrotenax commercial wiring products Limited Warranty applies to these products For details see the complete warranty on our web site at http pentairthermal com support warranty Important For the Pentair Thermal Management warranty and agency approvals to apply the instruc tions that are included in this manual and product packages must be followed 1 5 Typical Cable Markings CABLE REFERENCE PYROTENAX SYSTEM 1850 TYPE MI 600V OF CONDUCTORS CONDUCTOR SIZE C ULJUS FOR CT USE DIR BUR SUN RES GASOLINE amp OIL RES I II CIR 2H ULCS139 amp UL2196 MAX 600V HOSE STREAM CSA C US HL CLI GRP ABCD CLII GRP EFG CLIII CABLE REFERENCE PYROTENAX SYSTEM 18502 TYPE MI 600V OF CONDUCTORS CONDUCTOR SIZE FTA 40 C C UL US FOR CT USE DIR BUR SUN RES GASOLINE amp OIL RES II CIR 2H RSI ULCS139 amp UL2196 MAX 600V HOSE U CSA C US HL CLI GRP ABCD CL
23. 57864 05 15 2 ntroduction Figure 2 Typical MI cable application EN PyrotenaxMlcommercialvviring IM H57864 05 15 Introduction System 1850 5 System 1850 Twisted Pair System 1850 SE wir System 1850 for Space Savings EN PyrotenaxMlcommercialvviring IM H57864 05 15 Storage and Handling 3 1 MI cable is very rugged however following the stor age and handling measures below will minimize the possibility of damage to the cable Storage To protect cables from physical damage and the environment store indoors and protect from mois ture construction equipment falling objects chemi cal spills moving vehicles and other hazards Initial Inspection When the cables are received e Inspect the protective covering on the cable for evi dence of shipment damage e Leave the factory applied protective cover in place until removal is absolutely necessary e Where possible check the copper sheath and if supplied the polymer jacket for evidence of ship ment damage Pyrotenax MI cables are shipped from the factory with the exposed ends sealed with plastic end caps These caps are weatherproof and seal the cable against moisture and other contaminants during shipment and storage If the ends are dam aged missing or removed check the insulation resistance for the presence of moisture in the cable using a megohmmeter see Section 6
24. 650 474 7711 thermal info pentair com http pentairthermal com EN PyrotenaxMlcommercialvviring IM H57864 05 15 1 General Information 1 2 1 3 Safety Guidelines The safety and reliability of an MI cable system and fire rated systems in particular depend on the prop er design and installation of the system and use of the proper materials for support as well as the qual ity of the cable selected Incorrect design or instal lation or use of inappropriate support materials can result in a system that may not perform properly and in the case of a fire rated system it may not perform under fire conditions The guidelines and instructions contained in this booklet are important Follow them carefully to ensure that the MI cable system will perform reli ably For fire rated systems pay special attention to installation details so that the system will perform reliably if subjected to a fire amp e Important instructions are marked Important e Warnings are marked A WARNING Approvals MI power cable and terminations are manufactured and approved to US and Canadian standards System 1850 MI cables are e UL Listed and CSA Certified e 2 hour fire rated per UL 2196 and ULC S139 1850 F with a water hose stream A Classified Electrical Circuit Integrity System 1 System No 1850 in the UL Fire Resistance Directory e A Listed Electrical Circuit Integrity System FHITC System No 18
25. II GRP EFG CLIII KO EN PyrotenaxMlcommercialvviring IM H57864 05 15 3 Introduction 2 1 General Pyrotenax MI power cable is manufactured with high conductivity copper conductors embedded in highly compacted magnesium oxide insulation within a robust ductile copper sheath Figure 1 This con struction and the nature of the inorganic materials used provide MI cables with characteristics that surpass those of other cable types without the need for additional protection such as conduit One of the most exceptional qualities of MI cable is its fire resistance the bare cable will not burn support combustion propagate flame or emit smoke or toxic gases MI cable can be used for indoor and outdoor applica tions either surface mounted or for buried installa tions in both industrial and commercial installations It is extensively used for emergency back up power supply systems emergency equipment and fire alarm systems in high rise commercial buildings hospitals tunnels and airports in fact wherever public safety is important For general information on using and installing MI cable refer to the National Electrical Code NEC or the Canadian Electrical Code CEC where applicable D eamless copper sheath Magnesium oxide MgO insulation Solid copper conductors Figure 1 Pyrotenax MI cable EN PyrotenaxMlcommercialvviring IM H57864 05 15 Introduction 2 2
26. INGLE CONOUCTOR CABLES SINGLE CONDUCTOR MI CABLES MLLTICONDUCTOR MI CABLE 1 35 IN 38 M M NM UM STEEL CHANNEL x STEEL ROD SECURELY ANCHORED TO FIRERATED STRUCTURE x SUPPORT SPACING SEE TABLE PIPECONDUIT CLAMP WITH FASTENERS STEEL ROO SECURELY ANDORED TO F RE AATED STRUCTURE VELT CONZUCTOR M CARE SINGLE CONDUCTOR CARLES SINGLE CONDUCTOR CABLES DIR IN Olm STER NUTS Figure 6 Cable tray Stainless steel banding Joint 39 in 39 in 1 m 1m Figure 7 Splice Factory Joint 78 EN PyrotenaxMlcommercialwiring IM H57864 05 15 7 Appendixes 1 Wall or Floor Assembly Minimum 2 hr fire rated concrete or masonry wall or concrete floor Opening in wall or floor through which cable or cable tray passes is to be sized to closely follow the contour of the cable or cable tray Through opening in wall or floor to be firestopped using a compatible firestop system See Through Penetration Firestop Systems XHEZ for pres ently Classified firestop systems 2 Fire Resistive Cables The hourly fire rating applies to cable passing completely through a fire zone and terminating a minimum of 12 inches beyond the fire rated wall or floor bounding the fire zone The cables as identified below may be installed in the horizontal or vertical orientations and contain bends with the minimum bend radius as described in the Manufacturer s Installation Instruct
27. If moisture is present follow the instructions in Appendix C to remove the moisture or contact Pentair Thermal Management for guidance F Important after performing On Receipt Insulation Resistance testing refer to section 6 1 replace the end caps and do not remove again until ready to terminate the cable Storage Measures e Store cables indoors in a dry location e Do not stack reels e Ensure that both ends of the cable are securely fastened to the reel flange e Do not remove the protective end caps until the cable is ready to be terminated EN PyrotenaxMlcommercialvviring IM H57864 05 15 3 Storage and Handling e Do not store reels flat Store reels upright on their flanges Figure 3 e Store reels on a firm surface paved if possible or on planking to prevent reels from rotting e Cover reels with additional protection to shield against the effects of the environment such as when stored in excessively damp dirty or dusty areas Always load and store Upended heavy reels reels upright on their will often be damaged flanges and block securely Right Wrong Figure 3 Store reels upright on flanges 3 2 Handling Moving Reels e Handle or install cables within suitable tempera ture limits See Section 4 1 e Handle in a manner that prevents deterioration of and physical damage to the reel and to the cable e Handle cable reels utilizing equipment designed for that purpose
28. R will increase to an acceptable level if all the moisture has been driven out On completion check IR with a 500 Vdc megohmmeter following the instructions in Section 6 If working with shielded twisted pair cable also test IR between the sheath and inner shield Reseal cable end with adhesive lined heat shrink tubing if not ready to ter minate cable 70 EN PyrotenaxMlcommercialwiring IM H57864 05 15 Testing 6 3 Mineral Insulated Wiring Installation Record This record is intended for use by the installer or commissioning agent as a record of various installation parameters It is the responsibility of the Electrical Inspector to verify compliance with codes and standards Please complete the online form to register your installation for the extended warranty program http pentairthermal com application warranty 30 Year index aspx Form Completed By Q Installer 14 Engineer 14 End User Purchased from Address City State Province INSTALLATION LOCATION Project Name Address City State Province Postal ZIP Code Phone Installation Environment Q Commercial Q Industrial 4 Hazardous INSTALLED BY Company Address City State Province Postal ZIP Code Phone nstaller s Name Megohmmeter ID Number Megohmmeter Calibration Due Date EN PyrotenaxMlcommercialwiring IM H57864 05 15 71 Testing PROJECT AND APPLICATION DETAILS
29. Several support methods may be used as shown following however the steel rod and channel peze system is recommended due to its wide avail ability and familiarity among installing contractors 4 Important Follow all requirements in Section 5 1 when installing cables Trapeze Support The trapeze support system shown in Figure 21 and Figure 22 must consist of 12 gauge 1 1 2 in 38 mm or 1 5 8 in 41 mm minimum galvanized slotted steel channel with hemmed flange edges width of the steel channel must not exceed 36 in 915 mm Rods must be 3 8 in 10 mm diameter minimum threaded steel rods with 1 1 2 in 38 mm steel washers and steel nuts Securely anchor steel EN PyrotenaxMlcommercialwiring IM H57864 05 15 37 Installation rods to a fire rated structure such as concrete or masonry Bundle single conductor MI cables tightly together in groups see Figure 16 Figure 17 and Figure 18 for configurations and secure cables in place with 16 gauge minimum steel single bolt pipe clamps sized to correspond with the outside diameter of the cable or cable bundle Figure 21 and Figure 22 Table 5 shows recommended loading guidelines for a trapeze type system that is used to support MI fire rated cables Additionally bundle each group of cables tightly together between supports using stainless steel gear clamps or using 1 2 in 13 mm wide by 0 020 in 0 51 mm thick stainless steel straps in conjunc
30. Wrong Figure 4 Reel handling DOs and DON Ts EN PyrotenaxMlcommercialvviring IM H57864 05 15 11 Storage and Handling e Roll reels to move them short distances and in the direction so that the cable does not unwind Figure 5 this will tighten the cable windings not loosen them Surfaces over which the reels are rolled must be firm level and clear of debris that may damage the cable Roll reel in the direction indicated by the arrow Figure 5 Reel rolling Uncoiling Cable e Do not transfer cable to another reel as it will become work hardened making it less easy to install e Uncoil cable with reel or coil in the vertical position by rolling rather than pulling from the periphery or the center of the coil or feed cable from a pay off reel Figure l This will greatly ease the han dling and prevent possible twisting bending and kinking e Use appropriate precautions when uncoiling cable see Section 4 2 e Handle cable carefully during uncoiling to prevent damage due to kinking or bending to radius small er than allowable limits e Ensure that the cable is not twisted during installation e Do not lay cable on rough ground run over cable drag cable over sharp objects or subject cable to other such treatment that could cause damage Do not bend cable to a radius smaller than the minimum pulling radius when uncoiling see Table 2 on page 24 12 EN PyrotenaxMlcommercialwirin
31. able tray type supports shall be secured to the surface of the wall or floor Refer to the Manufacturer s Installation Instructions for addi tional details 4 Splices The Type MI mineral insulated Pyrotenax Brand Model System 1850 cablels may be provided with a factory installed joint on cables with diameters of 0 402 in 10 22 mm and larger Refer to the Manufacturer s Installation Instructions for additional details Bearing the Certification Mark of UL 80 EN PyrotenaxMlcommercialwiring IM H57864 05 15 7 Appendixes Appendix B Expansion and Vibration The electrical properties of MI cables are not affect ed by vibration but precautions should be taken to prevent mechanical damage to the cable where it crosses expansion joints or where vibration is present Conditions encountered in commercial applications can be satisfied by providing between securing clips or other fixation methods a right angle bend Figure B1 two right angle bends Figure B2 or one semi circular bend Figure B3 in the cable whichever is most appropriate for a particular installation When crossing an expansion joint or when the termination for single conductor cables will be sub jected to vibration a semicircular bend as shown in Figure 49 is recommended Where the termination for multiconductor cables is subjected to vibration an expansion loop as shown in Figure B4 is recom mended In cases of severe differentia
32. ables are pulled into cable tray or open runs they are subjected to physical stresses caused by friction of the cable against the supporting and con tact surfaces Cable weight direction of the pull and the angle of the pull are all factors that have an effect on pulling tension The maximum allowable pulling tension for Pyrotenax fire rated and non fire rated MI cables is shown in Table 3 T Important Factory welded joints may have a lower tensile strength than continuous cable itself If your cable has a factory joint please refer to the proper pulling procedure in Pentair document H59040 EN PyrotenaxMlcommercialvviring IM H57864 05 15 25 5 Installation TABLE 3 MAXIMUM ALLOWABLE PULLING TENSION LBS System 1850 System 1850Z and System 1850 SE cables Pulling Tension Cable Cable size Cable only Cable with reference AWG kcmil 165 joints Lbs 1 350 834 350 3000 2200 1 4 0 684 4 0 2000 1500 1 2 0 580 2 0 1300 1300 1 1 496 1 900 900 z N RK o 640 640 1 6 340 370 370 T N N N 200 200 A N N 140 140 2 1 975 2300 2200 2 3 768 1450 1450 2 6 590 oa 800 800 b l a EN PyrotenaxMlcommercialvviring IM H57864 05 15 0 Installation TABLE 3 MAXIMUM ALLOWABLE PULLING TENSION LBS System 1850 System 18502 and System 1850 SE cables Cable refere
33. amage to the cable from possible twist ing forces imparted when pulling the cable use swivels between the cable grips and pull rope on all mechanically assisted pulls The capacity of the swivel shall be large enough to handle the maximum allowable pulling tension on each cable run without causing damage to the equipment or cables Consult the swivel manufacturer s specifications for capacity limitation Set up Before installation verify that the cablels can be installed according to the designed routing and minimum bending radius requirements Take pre cautions when routing in close proximity to hot pipes or other heat sources because of ampacity consid erations For 350 and 500 kcmil cables with pulls over 360 degrees in total offsets and bends contact Pentair Thermal Management Technical Support at 800 545 6258 Examine trapeze support systems cable trays and other support systems for acceptability prior to pull ing activities Install permanent supports properly to ensure the rigidity of the trapeze cable tray or other support system so that neither the support system nor the cable will be subjected to damage during the pulling process 16 EN PyrotenaxMlcommercialvviring IM H57864 05 15 4 Pre Installation Minimize the amount of tension necessary to pull a cable as follows e Set up the cable reel assembly properly The first sheave must be installed at a point higher than the support system Fig
34. and new updates These systems shall be installed in accordance with all provisions of the National Electrical Code or Canadian Electrical Code and as amended by the details of each individual system such as type of supports and distance between supports Authorities Having Jurisdiction should be consulted in all cases as to the specific requirements covering the installation and use of these systems The following details are for Electrical Circuit Integrity System No 1850 a 2 hour fire rated sys tem utilizing Pyrotenax MI cable These require ments must be followed to maintain the 2 hour rating in a fire rated area Figure 1 Steel banding and bracket 76 EN PyrotenaxMlcommercialwiring IM H57864 05 15 Appendixes CONCRETE OF MASONRY SURFACE LIIN OR an CHANNEL Figure 3 Pipe clamp STEELR TO FIRERATED STRUCTURE OD SECURELY ANCHORED PPEICONDUIT CLAMP WITH FASTENERS MULTICONDUCTOR Vi CABLE TOR Mi CABLES 115 CABLE DIAUETERS BETWEEN STAINLESS STEEL STRAPIGEAR CLAMP WULTIPHASE PARA wae TAIN 38 MAN STEEL WASHERS AND STEEL NUTS 1 VA GE MIMD MINIMUM STEEL CHANNEL Figure 4 Steel strut trapeze EN PyrotenaxMlcommercialwiring IM H57864 05 15 77 Appendixes 1 5 IN 38 MM STEEL WASHERS AND STEEL NUTS _ STAINLESS STEEL STRAPIGEAR CLAMP SEE TABLE FOR SPACING OF 215 CABLE DIAMETERS BETWEEN CLAMPS BETWEEN SUPPORTS MULTIPHASE PARALLELED S
35. apping Bracket A B c used to temporarily D support cables prior to banding Figure 26 Banding bracket installation EN PyrotenaxMlcommercialvviring IM H57864 05 15 47 Installation Stainless steel strap gear Single conductor MI cables ween supports Banding bracket and stainless steel strapping supported to fire rated structure using approved fasteners Concrete masonry wall hown in Table 4 Support spacing as specified in Table 4 Note Use to support 1 run of MI cable up to 500 kcmil 3 bundled runs of cable up to 2 0 AVVG 4 bundled runs of cable up to 1 0 AVVG Figure 27 Typical banding and bracket installation for supporting bundled MI cables Cable Tray Cable tray when used to support cable in fire rated applications must be solid bottom open ladder or ventilated trough type steel cable tray capable of functioning at temperatures to 1850 F for a period of two hours The tray must be rigidly secured to the wall or floor assembly supported at spacing requirements shown in Table 4 and installed per all national and local electrical codes Typical Loading Guidelines may be found in Table 5 7 Important Trays made of aluminum galvanized or zinc plated steel or other low melting point materi als are NOT ACCEPTABLE Anchors for tray MUST BE STEEL 48 EN PyrotenaxMlcommercialwiring IM H57864 05 15 5 Ins
36. asket weave or split grips to pull cables Attach the grip to the cable sheath rather than the conduc tor Ensure grip is securely fastened to the cable sheath to prevent it from loosening during the pull Use a swivel between the grip and pulling rope For other cable attachment methods contact Pentair Thermal Management Technical Support Pulling Eye Attach the pulling eye to the conductors Use a swiv el between the pulling eye and pulling rope 18 EN PyrotenaxMlcommercialwiring IM H57864 05 15 Installation 5 1 The information in Section 5 1 applies to all MI cable installations unless otherwise noted Further installation details that apply specifically to System 1850 and System 1850Z 2 hour fire rated cables System 1850 SE service entrance cables System 1850 for Space Savings non fire rated cables are shown in Sections 5 2 5 3 and 5 4 respectively Following these installation instructions will con sistently produce satisfactory MI cable installa tions Further information on proper installation techniques may be obtained by contacting Pentair Thermal Management Technical Support at 800 545 6258 General Installation Guidelines This section covers general installation guidelines that apply to Pyrotenax MI cables e Where independent circuits are required or desired maintain proper separation and segrega tion from other electrical circuits e All conductors of the same circuit and where
37. ate Q MI Cable pull did not exceed published tension limits Q MI Cable sheath appears to be free of significant scrapes dents twisting or other potential cold work damage 4 MI Cable has been dressed using nonmetallic tools Q MI Cable bend radius exceeds published minimum in all cases Q MI Cable is arranged according to published configurations along all lengths Q Cable supports meet applicable NEC CEC fire rating requirements Q Cable supports meet NEC CEC spacing requirement IR Testing has taken place after the items above have been verified Pentair Thermal Management Field Support Technicians and Engineers are available to assist with installation inspections Contact your local representative to coordinate VISUAL INSPECTION AFTER TERMINATION Date Q MI Cable termination is properly bonded if applicable Q Warning Labels have been installed Q Conductors have been properly identified prior to connection IR Testing has taken place after the items above have been verified Pentair Thermal Management Field Support Technicians and Engineers are available for Field Termination Training and system installation inspections Contact your local representative to coordinate Please complete this record and register your installation online EN PyrotenaxMlcommercialvviring IM H57864 05 15 73 Testing Wooy 18214 29 4 Ld
38. ction 5 2 for more information on cable terminations Installing Pyrotenax System 1850 SE Service Entrance Cable System The instructions in Section 5 4 are for the Pyrotenax System 1850 SE Service Entrance Cable System The system is designed as an alternative to concrete encasement for service conductors and provides a 2 hour fire rating A typical service entrance system utilizing System 1850 single conductor MI cable is shown in Figure 34 7 Important Authorities Having Jurisdiction AHJs must be consulted in all cases as to the specific requirements covering the installation and use of the Pyrotenax service entrance cable system In some jurisdictions the AHJs have accepted this system as an alternative where conditions make concrete encase ment difficult or impractical 56 EN PyrotenaxMlcommercialvviring IM H57864 05 15 5 Installation In areas with high levels of thunderstorm activ ity the System 1850 cables must be protected with the lightning protection package Part number SE PROTECT This kit may also be used in any loca tion where there is a concern about lightning activ ity Please contact Pentair Thermal Management for more information regarding lightning protection for System 1850 cables used in Service Entrance applications EN PyrotenaxMlcommercialwiring IM H57864 05 15 57 Installation Outside Inside building building
39. designed to be applied directly to the sheath of mineral insulated cables 52 EN PyrotenaxMlcommercialvviring IM H57864 05 15 5 Installation Pyropak termination kit Spacer disk and insulating sleeving assembly Mastic sealing compound Heat shrinkable sleeving S rimp connectors Figure 31 System 1850 termination kits EN PyrotenaxMlcommercialwiring IM H57864 05 15 53 Installation Installing Pyrotenax System 1850 for Space Savings Non Fire Rated Cable The instructions in Section 5 3 are for Pyrotenax System 1850 for Space Savings non fire rated MI power cables These cables are not fire rated and must not be used where a fire rating is required Install System 1850 for Space Savings cables in accordance with all provisions of the NEC CEC and requirements in this manual A typical power circuit installation utilizing System 1850 for Space Savings MI cable is shown in Figure 32 Equipment enclosure Ag l Af QuickTerm Figure 32 Typical System 1850 for Space Savings power circuit EN PyrotenaxMlcommercialwiring IM H57864 05 15 Installation System 1850 for Space Savings cables may be installed by following the installation details for fire rated cables shown in Section 5 2 with the following differences e Cables may be installed on any surface capable of supporting the cables e Required spacing betwee
40. e Use flexible cables to make the connection from the intermediate enclo sure to the generator 30 EN PyrotenaxMlcommercialwiring IM H57864 05 15 Installation 5 2 Installing Pyrotenax System 1850 and System 1850Z 2 Hour Fire Rated Cable The instructions in Section 5 2 are for Pyrotenax System 1850 2 hour fire rated MI cable a 2 hour fire rated system as classified by UL and listed by ULC The details of this system appear in the Fire Resistance Directory under Electrical Circuit Integrity Systems FHIT FHITC System 1850 and are reproduced in Appendix A These require ments must be followed to maintain the 2 hour rating in a fire rated area A typical 2 hour fire rated power circuit installation utilizing System 1850 MI cable is shown in Figure 15 In addition to the requirements in Electrical Circuit Integrity Systems FHIT FHITC System No 1850 these systems must be installed in accordance with all provisions of the NEC CEC and the requirements in this manual 7 Important Authorities Having Jurisdiction should be consulted in all cases as to the specific require ments covering the installation and use of these clas sified systems EN PyrotenaxMIcommercialwiring IM H57864 05 15 31 5 Installation Emergency n Transfer switch Transfer switch II Main elect
41. en sion shown in Table 6 F Important Factory installed joints are only avail able for cable diameters of 0 402 in 10 2 mm and larger EN PyrotenaxMlcommercialvviring IM H57864 05 15 49 Installation Figure 28 Factory installed joint for System 1850 MI cable The proper procedure for pulling cables with factory installed joints is described in Figure 29 Pull the joint past the sheave pulley first then bend the cable around the sheave pulley by hand and con tinue pulling the cable Do not pull the joint directly over a sheave pulley Factory welded joints may have a lower tensile strength than continuous cable itself If your cable has a factory joint please refer to the proper pulling procedure in Pentair document H59040 50 EN PyrotenaxMlcommercialvviring IM H57864 05 15 5 Installation Right Wrong Figure 29 Procedure for pulling factory installed joints When fastening the joint to a wall or ceiling sup port the joint using the banding and bracket method shown in Figure 26 The joint must be supported at its center and 39 in 1 ml on either side of this sup port as shown in Figure 30 When using any other method to support fire rated cables such as a trapeze system stagger the joints if possible and ensure that each joint is firmly sup ported This can be accomplished by supporting each joint with additional trapeze supports or by
42. entrance and System 1850 for Space Savings non fire rated min eral insulated MI cables It is assumed that the cables have been properly sized and the installa tion properly designed Installers must be properly trained and familiar with relevant codes and gener ally accepted good practice for handling and install ing power cables For installations or situations that are not covered in this guide please contact Pentair Thermal Management for guidance This manual gives general instructions that apply to all three systems listed above Where applicable instructions that apply only to a specific system or to the USA or Canada are clearly identified In addition to this manual the following instructional videos are available Search for the document reference numbers on our website or our YouTube channel lt http www youtube com user ThermalControls gt Quickterm Termination Procedure for Single Conductor MI Power Cables H59063 PyroPak Termination Procedure for Multi conductor MI Power Cables H59064 PyroPak Termination Procedure for Twisted Shielded Pair MI Communication Cable H59065 Continuity Testing Procedure for MI Power amp Communication Cables H59066 Megger Testing Procedure for MI Power amp Communication Cables H59067 For additional information contact Pentair Thermal Management 7433 Harwin Drive Houston TX 77036 USA Tel 1 800 545 6258 Tel 1 650 216 1526 Fax 1 800 527 5703 Fax 1
43. ethod contact Pentair Thermal Management Technical Support EN PyrotenaxMlcommercialvviring IM H57864 05 15 Installation Support to fire rated structure using approved fasteners Support spacing as specified in Table 4 Concrete or masonry wall 1 1 2in 38 mm 7 steel 7 channel to 2 maintain NEC CEC 2 free air rating Stainless steel strap gear clamp between supports as shown in Table 4 Single conductor MI cables Pipe conduit clamp with fasteners Spacing S between multiphase paralleled single conductor cables Figure 23 Typical horizontal surface mounted installation using steel channel EN PyrotenaxMlcommercialwiring IM H57864 05 15 43 Installation Spacing S between multiphase paralleled single conductor cables 1 1 2 in 38 mm steel channel J to maintain Ss se Concrete or NEC CEC masonry wall free air rating Stainless steel strap gear clamp between supports as shown in Table 4 Support spacing as specified in Table 4 Pipe conduit clamp with fasteners Support to fire rated structure using approved fasteners Figure 24 Typical vertical surface mounted installation using steel channel 44 EN PyrotenaxMlcommercialwiring IM H57864 05 15 5 Installation Surface Mounted Using Clips and Straps Support multi conductor cable
44. facturer s instructions Figure 13 Recommended method of connecting MI cable to fire pump controller For free air installations as described in the NEC CEC the transition from bundled cables must com mence 24 in 610 mm minimum from the enclosure as shown in Figure 14 EN PyrotenaxMlcommercialwiring IM H57864 05 15 29 Installation For free air ratings the transition from bundled cables must commence 24 610 mm minimum from the enclosure Single Miilticanductor AN NN conductor MI cable MI cables enters ferrous enclosure Brass plate without 1 4 6 mm brass plate thick size Brass gland as required T an Lock nuts uu NN 4 7 a Steel WJ WW enclosure Lock Lock washer 57 Steel enclosure cutout steel must l be removed from o beneath brass BO O ae 1 2 3 4 1 Details of brass plate 7 7 The brass plate must be bonded to the as required enclosure Drill and tap the brass plate to accept the derived sy bonding connector For separately stems refer to the NEC Figure 14 Equipment grounding bonding using brass plate Emergency Generator When connecting MI cable to an emergency gen erator terminate the MI cables in an intermediate enclosure through a brass plat
45. free air ampere ratings the spacing S between bundles shall be a minimum of 2 15 cable diameters in the U S NEC Figure 35 Recommended installation configurations Install System 1850 fire rated cables for service entrance applications only in ventilated steel cable tray non galvanized and free of zinc coating complete with louvered cover clamps 90 and 45 bends offsets etc For horizontal runs support the tray using a steel rod and channel trapeze type sys tem On vertical runs support the tray using steel channel directly secured to a concrete or masonry structure using approved fasteners EN PyrotenaxMlcommercialvviring IM H57864 05 15 59 Installation F Important Do not support the cable tray using materials such as aluminum brass plastic lead wood etc since these materials will fail quickly dur ing a fire and jeopardize the integrity of the service entrance system Important If a fire rated surface is not available please contact the local Authority Having Jurisdiction for assistance F Important The actual sizes of hangers bolts nuts and fasteners must be adjusted for the weight sup ported and area seismic conditions Provide seismic bracing where required The cable tray must be supported at intervals depen dent on the cable tray loading and the configuration number of trays size of trapeze rods Table 7 gives typical loadings and spacings F
46. g IM H57864 05 15 3 Storage and Handling Reel Zz Right Wrong Coil Right Wrong Figure 6 Unreeling uncoiling cable EN PyrotenaxMlcommercialvviring IM H57864 05 15 13 Pre Installation 4 1 4 2 This section deals with factors that should be considered prior to installation It is highly recom mended that cable installations be preplanned It is important to ensure that personnel are properly trained and qualified for the specific task they are performing All applicable rules and regulations including federal state local and municipal laws must be followed For further information on install ing MI cables contact Pentair Thermal Management Technical Support at 800 545 6258 Minimum Installation Temperature Due to the fact that cable materials become brittle at low temperatures a minimum installation tem perature of 14 F 10 C is recommended for MI cables because this will allow for a considerable degree of rough handling However bare MI cable may be installed at a temperature as low as 40 F 40 C Important When installing polymer jacketed cables in cold areas warm in a heated area at least 50 F 10 C for at least 24 hours prior to installation Install cable promptly after warming Precautions When installing Pyrotenax MI cables all appropriate precautions shall be followed including OSHA and other applicable regulations Therefore in addition
47. ions PENTAIR THERMAL MANAGEMENT CANADA LTD Type MI mineral insulated Pyrotenax Brand Model System 1850 Type MI mineral insulated jacketed Pyrotenax Brand Model System 18502 To be installed as described herein and in accordance with the manufac turer s installation instructions dated May 2015 File R11251 3 Bracket Clamp type Supports The Type MI mineral insulated Pyrotenax Brand Model System 1850 and Type MI mineral insulated jacketed Pyrotenax Brand Model System 1850Z cablels shall be secured to the surface of the wall or floor by 1 steel brackets with stainless steel banding 2 copper clip and or 3 steel pipe clamps secured to steel strut Refer to the Manufacturer s Installation Instructions for addi tional details Trapeze type Supports The Type MI mineral insulated Pyrotenax Brand Model System 1850 and Type MI mineral insulated jacketed Pyrotenax Brand Model System 1850Z cablels shall be installed on from trapeze type supports The trapeze type supports shall be secured from the surface of the floor Refer to the Manufacturer s Installation Instructions for additional details EN PyrotenaxMlcommercialvviring IM H57864 05 15 79 Appendixes 3B Cable Tray type Supports The Type MI min eral insulated Pyrotenax Brand Model System 1850 and Type MI mineral insulated jack eted Pyrotenax Brand Model System 18502 cablels shall be installed within cables trays The c
48. l vibration the cable must be terminated into a junction box adja cent to the vibrating equipment and the final connec tion made via a flexible conduit and or cable The bending radius must not be less than six times the cable diameter for cables up to 0 75 in 19 mm diameter and 12 times the cable diameter for cables greater than 0 75 in 19 mm diameter Assumed fixed end a Movement assumed to be in the direction of the arrow Figure B1 Single right angle bend EN PyrotenaxMlcommercialvviring IM H57864 05 15 81 Assumed fixed end Movement assumed to be in the direction of the arrow Figure B2 Two right angle bends Movement assumed to be in the direction of the arrow Figure B3 One semicircular bend Figure B4 Expansion loop on termination end x PENTAIR WWW PENTAIRTHERMAL COM NORTH AMERICA EUROPE MIDDLE EAST AFRICA PENTAIR THERMAL MANAGEMENT LLC PENTAIR THERMAL MANAGEMENT Tel 1 800 545 6258 BELGIUM NV Fax 1 800 527 5703 Tel 32 16 213 511 Tel 1 650 216 1526 Fax 32 16 213 603 Fax 1 650 474 7711 thermal info pentair com thermal info pentair com ASIA PACIFIC LATIN AMERICA PENTAIR THERMAL SHANGHAI CO LTD PENTAIR THERMAL MANAGEMENT LLC Tel 86 21 2412 1688 Tel 1 713 868 4800 Fax 86 21 5426 2937 Fax 1 713 868 2333 cn thermal info pentair com thermal info pentair com Pentair Pyrotenax System 1850 SE Pyropak and QuickTerm are owned by Pentair or its global affiliates
49. lead to the cable sheath 3 Connect the negative line lead to one conductor 4 Turn on the megohmmeter and set the voltage to 900 Vdc apply the voltage for one minute Meter needle should stop moving Rapid deflection indicates a short Note the insulation resistance value t should be greater than 200 MO ina warm dry environment greater than 100 MO ina wet or humid environment 5 Turn off the megohmmeter If testing a single conductor cable proceed to Step 7 If testing a multiconductor cable proceed to step 8 7 Testing is complete If the megohmmeter does not self discharge discharge phase connection to ground with a suitable grounding rod Disconnect the megohmmeter 8 If testing a multiconductor cable repeat steps 3 through 5 for remaining conductors 9 Next remove the positive earth lead from the cable sheath and connect it to one of the other conductors 10 Test the cable as in steps 3 through 5 11 Repeat for all conductor pair combinations 66 EN PyrotenaxMlcommercialvviring IM H57864 05 15 Testing 12 Testing is complete If the megohmmeter does not self discharge discharge phase connection to ground with a suitable grounding rod Disconnect the megohmmeter Figure 39 IR test between cable sheath and conductor and between conductor pair EN PyrotenaxMlcommercialvviring IM H57864 0
50. ly with System 1850 UL Fire Resistance Directory System 1850 MI fire rated cable must be supported on horizontal and vertical runs by a 2 hour fire rated assembly with supports spaced according to the requirements in Table 4 TABLE 4 MAXIMUM SPACING BETWEEN SUPPORTS AND STRAPS GEAR CLAMPS IN FIRE RATED INSTALLATIONS Horizontal vertical Straps gear Cable diameter supports clamps 0 3 in 7 6 mm 4ft 1220 mm 2 ft 610 mm and smaller Greater than 6 ft 1830 mm 3 915 mm 0 3 in 7 6 mm Install exposed runs of cables parallel to build ing lines to present a neat appearance as shown in Figure 8 When subject to potentially damaging abuse protect the cable with angle iron steel channel or a short piece of conduit 36 EN PyrotenaxMlcommercialwiring IM H57864 05 15 5 Installation Start of bend a End of Support spacing between bends as specified in Table 4 Use additional supports as required Start of bend End of 28 z Note Bends must be supported at the start and end of each bend Figure 20 MI cable bends VVhen transitioning from a straight run of Ml cable to a bend use additional supports at the start of the bend and the end of the bend as shown in Figure 20 All cable runs including bundled cables must be supported in this manner using the support method being utilized i e trapeze steel channel clips and straps or the banding amp bracket system
51. mp connectors I 4 Self sealing tape GA Ge gt N US N KG ps V o YQ Brass glands Heat shrinkable sleeving Figure 38 System 1850 SE termination kit Warning Labels To satisfy AHJ safety requirements install self adhesive warning labels every ten feet 3 m on alternating sides of the cable tray Catalog number 600VLABELSE 64 EN PyrotenaxMlcommercialvviring IM H57864 05 15 Testing 6 1 Insulation Resistance IR Testing IR testing is conducted using a megohmmeter and tests the integrity of the insulation between the conductors and the cable sheath and between conductor pairs in multiconductor cables If the end caps are damaged missing or removed moisture will enter the mineral insulation resulting in low IR readings If working with System 1850Z jacketed cable remove sufficient jacket to allow megohmmeter probes to clamp to copper sheath Test Equipment 500 Vdc Megohmmeter calibrated When Received Check cable on reel Note that ends may need to be prepared to allow insulation resistance IR readings to be taken IR readings must not be less than 200 MQ under any conditions After Installing Termination Kit e n a warm dry environment IR readings should be 200 MQ or higher e n an outdoor environment or indoors in wet or humid conditions IR readings should all be above 100 MQ Similar cables exposed to similar conditions should all ha
52. n cable supports Is shown in Table 6 In addition to exposed and surface installations System 500 cables may be embedded into plaster walls and easily hidden due to their small diameter 7 Important Follow all requirements in Section 5 1 when installing cables Important The actual sizes of hangers bolts nuts and fasteners are to be adjusted for the weight supported and area seismic conditions Provide seis mic bracing where required System 1850 for Space Savings cables must be sup ported on horizontal and vertical runs according to the spacing requirements in Table 6 TABLE 6 MAXIMUM SPACING BETWEEN SUPPORTS FOR NON FIRE RATED INSTALLATIONS Horizontal runs Vertical runs USA 6 ft 1830 mm 6 ft 1830 mm Canada 6 56 ft 2000 mm 6 56 ft 2000 mm Factory Installed and Field Installed Joints When the circuit length exceeds the nominal coil length of a particular cable configuration factory installed joints are supplied For installation details refer to Section 5 2 A field installed joint is also available to extend the cable length Figure 33 EN PyrotenaxMlcommercialvviring IM H57864 05 15 55 Installation 5 4 Field installed joint Factory installed joint Figure 33 Joints for System 1850 for Space Savings MI cable Cable Terminations The cable termination for System 1850 for Space Savings cable is identical to the termination for System 1850 cable Refer to Se
53. n gland directly to the steel enclosure using lock nuts on either side of the gland connector as shown in Figure 14 Ensure that the brass gland is properly bonded to the steel enclosure once the lock nuts have been tightened Install multiconductor cables following all applicable requirements in the NEC CEC Twisted Pair Fire Alarm and Communication Cable System 1850 twisted pair cables are installed in the same manner as multiconductor cables When installing circuits requiring twisted pair cables ensure that the cable parameters are compatible with the equipment EN PyrotenaxMlcommercialwiring IM H57864 05 15 35 Installation Exposed or Surface Installations Components used to support System 1850 MI fire rated cable must be made of appropriate materials such as copper steel or stainless steel and attached to a fire rated surface such as concrete or masonry equal to the cable rating m Important Do not use material such as aluminum brass plastic lead vvood etc since these materials will fail quickly during a fire and jeopardize the integ rity of the electrical circuit protective system 71 Important If a fire rated surface is not available please contact the local Authority Having Jurisdiction for assistance 7 Important The actual sizes of hangers bolts nuts and fasteners are to be adjusted for the weight sup ported and area seismic conditions Provide seismic bracing where required Comp
54. nce 2 10 449 2 12 402 2 14 371 2 16 340 3 3 834 3 4 746 3 6 621 3 8 590 3 10 480 3 12 480 3 14 387 3 16 355 4 6 730 4 8 590 4 10 590 4 12 465 4 14 465 4 16 387 7 8 710 7 10 621 7 12 543 7 14 496 7 16 449 Cable size AWG kcmil 10 12 14 16 3 4 6 8 10 12 14 16 6 gt E co gt E E DI 160 o HEY 5 Pulling Tension Cable only Lbs 500 350 300 220 1900 1500 1000 700 500 400 310 240 1300 900 600 500 420 290 1200 1000 700 500 400 Cable with joints lbs 500 350 300 220 1900 1500 1000 700 500 400 310 240 1300 900 600 500 420 290 1200 1000 700 500 400 F Important Because MI cable is delivered in a soft annealed state the maximum pulling tension must not be exceeded Exceeding the maximum pulling tension may stretch the cable resulting in loss of insulation and sheath thickness and reduced conductor diameter EN PyrotenaxMlcommercialvviring IM H57864 05 15 27 Installation Brass Plates When single conductor cables enter a ferrous metal enclosure precautions must be taken to prevent heating by induction This is done by cutting out a section of the steel enclosure and replacing it with a 1 4 in 6 4 mm thick brass plate Figure 12 and Figure 14 at each end of the cable run Avoid cutting holes in listed enclosures such as wet rated and fire pump enclosures as it might void the enclosure s
55. nded that large diameter MI cables be installed using mechanical pulling equip ment that provides a steady continuous pull on the cable Use pulling equipment with a capacity large enough to handle the maximum allowable pulling tension see Table 3 on page 26 on each cable run without causing damage to the equipment or cables Consult the pulling equipment manufac turer s specifications for capacity limitation To prevent damage to the cable during installation use pulling equipment that can monitor pulling tensions and limit the cable tension to less than the maximum allowable pulling tension Monitor the pull force for all high tension pulls such as mechanical pullers tuggers and so on using a ten sion measuring device Sheaves Use sheaves or pulleys of the proper diameter to avoid damage to the cable see Table 2 on page 24 EN PyrotenaxMlcommercialvviring IM H57864 05 15 15 Pre Installation 4 4 Pulling Rope Use non stretch pulling rope with swivels between the cable and pulling rope pull rope diameter and length will depend on the pull to be made and pull ing equipment available Use a pulling rope with a capacity large enough to handle the maximum allowable pulling tension see Table 3 on page 26 on each cable run without causing damage to the equipment or cables Consult the pulling equipment and pulling rope manufacturer s specifications for capacity limitation Swivels To prevent d
56. nfigurations three phase 3 wire Single circuit preferred oo oo Single circuit alternative 0800 Two cables in 0 5 oo li a a o 00 Two cables in parallel per phase 0000 0000 alternative Three or more in parallel per no 82 82 88 preferred Three or more cables p nv 0800 0000 0000 in parallel per alternative Note For free air ampere ratings the spacing S between bundles shall be a minimum of 2 15 cable diameters in the U S NEC and Canada For magnetic effect purposes the neutral may be located as shown or outside groups in the most convenient location Free air ratings do not apply to polymer jacket cable Figu re 18 Recommended installation configurations three phase 4 wire 34 EN PyrotenaxMlcommercialwiring IM H57864 05 15 Installation On horizontal and vertical runs MI cable may be supported with steel channel as shown in Figure 19 Pipe conduit clamp with fasteners Support to fire rated structure using approved fasteners Concrete or iN masonry surface o y af Spacing S between multiphase paralleled single conductor cables Single conductor MI cables Figure 19 Supporting MI cables using steel channel Multiconductor Cable A brass plate is not required for multiconductor cables Connect the brass terminatio
57. or other configura tions contact Pentair Thermal Management for the calculated distance between supports based on the specific installation configuration Steel rod and channel trapeze systems as shown in Figure 36 and Figure 37 may be used to support the cable tray Trapeze support system must consist of 12 gauge 1 1 2 in 38 mm or 1 5 8 in 41 mm minimum galvanized slotted steel channel with hemmed flange edges width of the steel channel must not exceed 36 in 915 mm Rods must be 3 8 in 10 mm diameter minimum threaded steel rods with 1 1 2 in 38 mm steel washers and steel nuts Securely anchor steel rods to a concrete structure Important Install cables following the require ments in Section 5 1 where applicable and pay special attention to details on bending and pulling the cable Review the service entrance installation with a Pentair Thermal Management Field Services Engineer prior to installing the cables Table 7 shows recommended loading guidelines for a trapeze type system that is used to support service entrance cables 60 EN PyrotenaxMIcommercialwiring IM H57864 05 15 5 Installation TABLE 7 LOADING GUIDELINES Configuration for 4 wire system 500 kcmil MI sets 4 ft spacing 6 ft spacing Rod dia No of channels Rod dia No of channels 1 5 1 2in Single 1 2in Single 6 1 2in Single 5 8 in Double 7 8 5 8 in Double 3 4 in Double 9 5 8 in Double t t 10 t t
58. pper MI cable to prevent corrosion of the cable tray or strut at the point of contact and use only copper or stainless steel clamps to bundle the cables e For non fire rated applications wrap electrical tape around the copper MI cable to prevent corro sion of the cable tray or strut at the point of con tact and use copper or stainless steel clamps or use clamps with an integral rubber liner to bundle the cables For more information on corrosion and MI cable refer to publication number H57614 available from our web site at http pentairthermal com Equipment Bonding The copper sheath of MI cable exceeds the code requirements for an equipment to ground bonding conductor However in the case of fire pump instal lations using a 600 over current protective device a separate equipment to ground bonding conductor is required Where it is foreseen that the ground con tinuity may be subsequently impaired by corrosion of the enclosure it is recommended that the enclosure be suitably protected Straightening and Dressing the Cable The cable is annealed before leaving the factory making it soft and easy to handle Prior to secur ing the cable to a wall or ceiling the cable may be straightened by hand or by using Pentair s STRSM Straightening Tool for cables up to 1 2 OD or by using a bending hickey Figure 9 Final dressing may be carried out using a hammer and a block of wood rubber mallet etc as shown in Figure 8
59. rapeze system must be designed to support the additional load 4 Important Allowance must be made for deflection of the steel channel under fire conditions A fully loaded full width channel may deflect sag up to 9 in 230 mm Steel anchors must be used for the threaded rod EN PyrotenaxMlcommercialvviring IM H57864 05 15 39 Installation Steel rod securely Pipe conduit Support spacing as structure clamp with fasteners specified in Table 4 I Stainless steel Single conductor b MI cables etween Multiconductor MI cable Spacing S between multiphase 1 1 2 in supports as shown in Table 4 paralleled 38 mm 1 1 2 in 38 mm single minimum steel washers conductor steel and steel nuts cables channel Figure 21 Typical installation using trapeze support common method 40 EN PyrotenaxMlcommercialwiring IM H57864 05 15 Installation 1 1 2 in 38 mm minimum steel channel 1 1 2 in 38 mm steel washers Multiconductor and steel nuts MI cable Stainless steel strap gear clamp betvveen supports Spacing S betvveen as shown in Table 4 multiphase paralleled single conductor Steel rod cables securely Single anchored to conductor fire rated MI cables structure Support spacing as specified in Table 4 Pipe conduit clamp with fasteners Figure 22 Typical installation using trapeze
60. rical switchgear T ii Emergency gt ARE splitter Generator x System 1850 fire rated MI cable Figure 15 Typical System 1850 2 hour fire rated power circuit Single Conductor Cable Arrange the cable runs in the configurations shown in Figure 16 Figure 17 and Figure 18 Cables may be run in trifoil or quadrifoil includes a neutral or alternatively side by side configuration The trifoil quadrifoil configuration is recommended for best sheath current cancellation Bundle the cables in groups containing one conduc tor from each phase with the sheaths touching over the entire length of the run except when entering the enclosure see Figure 14 Where parallel runs are required cable bundles must be spaced distance S apart as shown in Figure 16 Figure 17 and Figure 18 If using a separate equipment to ground 32 EN PyrotenaxMlcommercialwiring IM H57864 05 15 Installation bonding conductor bundle it within the cable group and when entering the enclosure connect it to the brass plate using an appropriate connector and then bond the plate to the enclosure Follow the require ments of the NEC CEC as applicable when installing parallel runs of cable Note Free air ratings do not apply to polymer jacket cable Single Phase Single circuit o preferred OO ms 000 Two cables in o Ss o parallel per phase preferred o OQ Two cables in
61. s directly to concrete or masonry surfaces using 3 8 in to 1 in 9 5 to 25 mm wide copper clips or straps Figure 25 available from Pentair Thermal Management Bundle the MI cables tightly together in side by side groups and securely anchor the clips or straps to the structure using 3 16 in 4 8 mm diameter minimum by 2 1 4 in 57 mm long minimum steel concrete screws or other approved fasteners Do not exceed the support spacing shown in Table 4 For further information on this installation method contact Pentair Thermal Management Technical Support Copper clips or straps secured to fire rated structure using approved fasteners Multiconductor MI cable Concrete or 4 masonry wall 2 Support spacing as specified in Table 4 Figure 25 Typical surface mounted installation using clips or straps EN PyrotenaxMlcommercialwiring IM H57864 05 15 45 Installation Banding and Bracket Support System The banding and bracket system shown in Figure 26 and Figure 27 is available from Pentair Thermal Management This method may be used to support a single run of MI cable up to 500 kcmil 3 bundled runs of cable up to 2 0 AWG or 4 bundled runs of cable up to 1 0 AWG The steel bracket is 1 in 25 mm wide by 4 3 8 in 110 mm long by 0 125 in 3 2 mml minimum thickness and stainless steel strap ping is 1 2 in 13 mm wide by 0 020 in 0 51 mm thick and is held together with 1 2 in 13 mm wide steel banding
62. t t 11 14 t t t 1 Maximum width of 1 1 2 in 38 mm channel 36 in 915 mm T Either support spacing must be reduced or cable tray may be double stacked to reduce load on channel Contact Pentair Thermal Management for assistance Configuration for 4 wire system 350 kcmil MI sets 4 ft spacing 6 ft spacing Rod dia No of channels Rod dia No of channels 1 5 1 2 in Single 1 2 in Single 6 8 1 2 in Single 5 8 in Double 9 1 2 in Double 5 8 in Double 10 5 8 in Double 3 4 in Double 11 14 t T l 1 Maximum width of 1 1 2 in 38 mm channel 36 in 915 mm T Either support spacing must be reduced or cable tray may be double stacked to reduce load on channel Contact Pentair Thermal Management for assistance 7 Important These loading guidelines take into account only the load represented by the MI cable For Service Entrance applications the cable tray must be used to support only the MI cable Contact Pentair Thermal Management for further information EN PyrotenaxMlcommercialvviring IM H57864 05 15 1 5 Installation 7 Important Allowance must be made for deflec tion of the steel channel under fire conditions A fully loaded full width channel may deflect sag up to 9 in 230 mm Steel anchors must be used for the threaded rod Cable Tray Mounted on Steel Trapeze Support ventilated cable tray at the spacing shown in Table 7 using steel rod and channel trapeze sys
63. tallation Embedded Installations Cables embedded in concrete must be protected against puncture damage from the medium itself and the pouring equipment by means acceptable to the engineer Where a section of fire rated cable may be embedded in concrete the copper sheath must be protected from corrosion by wrapping electrical tape around the cable When cables emerge from a slab protect against shear damage by covering the cables with a short length of metal plate or angle iron at the point of egress This protection must extend 18 inches below finished grade to eight feet above finished grade Wall or Floor Penetrations When System 1850 penetrates a wall or floor place a sleeve in the opening to protect the cable during pulling operations Once the cable is in place fill the opening using an approved fire stop system A list of UL and ULC certified systems appears in the Through Penetration Fire Stop Systems in the Fire Resistance Directory Guide XHEZ and XHEZC respectively Factory Installed Joint When the circuit length exceeds the nominal coil length of a particular cable configuration factory installed welded joints Figure 28 are supplied for cable diameters of 0 402 in 10 2 mm and larger Where factory installed welded joints are supplied reinforcing sleeves are affixed at both ends of every joint to avoid damage to the welds when the cable is pulled into position Do not exceed the pulling t
64. uctions e Prevent damage to cable by removing any abrasions or sharp edges from surface of support system e Support fire rated cable in the manner described in the Electrical Circuit Integrity System Listing EN PyrotenaxMlcommercialvviring IM H57864 05 15 Table of Contents General Information 1 1 Use of the Manual 1 1 2 Safety Guidelines 1 1 3 Approvals 2 1 4 Warranty 3 1 5 Markings 3 2 Introduction 4 2 1 General 4 2 2 Typical MI Cable Applications 5 3 Storage and Handling 8 3 1 Storage 8 3 2 Handling 9 4 Pre Installation 14 4 1 Minimum Installation Temperature 14 4 2 Precautions 14 4 3 Installation Equipment 15 4 4 Set up 16 4 5 Cable Attachment Methods 18 5 Installation 19 5 1 General Installation Guidelines 19 5 2 Installing Pyrotenax System 1850 and System 1850Z 2 Hour Fire Rated Cable 31 5 3 Installing Pyrotenax System 1850 for Space Saving Non Fire Rated Cable 54 5 4 Installing Pyrotenax System 1850 SE Service Entrance Cable System 56 6 Testing 65 6 1 Insulation Resistance IR Testing 65 6 2 Improving Insulation Resistance 68 6 3 Mineral Insulated Wiring Installation Record 71 Appendixes 76 7 EN PyrotenaxMlcommercialvviring IM H57864 05 15 EN PyrotenaxMlcommercialvviring IM H57864 05 15 General Information 1 1 Use of the Manual This manual covers storage and installation of Pyrotenax System 1850 and System 18502 2 hour fire rated System 1850 SE service
65. ul aued Aduabsawy 10 snouyu q UN LLY UW 19 UW S28 4 00 dung 3414 y Joyesauag 61186 sales ajbuis 967 171 sydwex3 sydwexg ajd uexg a dwexg UW UW UW d aaay uodn 4 wooy Jauedg Wooy Jaueg 1984 do aas s10J0npuo9 UONEUIWIA y Bund y Buipe y 3s l 41 u5u n fjuaudinby Auswd nbz Jaquinn ZIS Bulpe M 3s l y Bulpeay 3s l y aoueysisay onennsu uny apis yoyeg Alope sajay ayqeg EN PyrotenaxMlcommercialvviring IM H57864 05 15 74 Testing 75 OW UONEUIWIA 4344y 1591 Mi UN Sund Jay Buipeay 1591 di UW d ssay uodn Bulpeay 1591 1 aouejsisay uoneynsui tu y Bus7 uny WooY Jaued nu uidinba p s peo WooY Jaued Auswd nb3 1984 40 s Jaquiny yoyeg 440 28 1 ssojonpuod 215 9U 142 EN PyrotenaxMIcommercialwiring IM H57864 05 15 7 Appendixes Appendix A System 1850 and 1850Z MI UL Electrical Circuit Integrity System Requirements F Important The following is the Pyrotenax System 1850 system write up as of May 2015 Please check the Fire Resistance Directory for revisions
66. ure 7 The setup shall ensure that the cable is not kinked or bent beyond the minimum pulling radius or subject to excessive twisting force e Pull in the proper direction Where practical a cable pull should begin nearest the end having the least degrees of bends and exit the end having the greater degrees of bends if at all possible Also in vertical sections an upward pull is preferred e Minimize the number and degrees of bends the cable is pulled around under tension Accomplish this by finding the straightest route possible using the least amount of bends Roller Right Wrong Figure 7 Reel setup Station an experienced cable pulling observer at the pulling end in contact visually by radio or by phone with the other members of the crew Use a suitable guide device to protect and guide the cable from the cable reel into the trapeze or tray Make sure that the radius of the feeder device is not less than the minimum pulling radius of the cable Protect cables exiting the trapeze or tray by similar means EN PyrotenaxMlcommercialvviring IM H57864 05 15 17 Pre Installation 4 5 Cable Attachment Methods Install cable grips and pulling eyes according to the manufacturer s instructions Form all cable connec tions to the pulling device in a cylindrical configura tion Do not exceed the maximum allowable pulling tension see Table 3 on page 26 Basket Weave Grips or Split Grips Use b
67. ve IR readings in the same general range Where a large difference in readings is encountered high readings can be accepted low readings below 100 MQ should be checked as described below M Important Under some installation conditions it may not be possible to obtain IR readings above 100 MQ If IR readings are between 25 MN and 100 MQ wait 24 hours and recheck the IR using the same equipment If the IR reading has not decreased the termination is good a constant low IR reading can result from moisture entrained in the cable while making a good seal this moisture will not increase If the IR reading has decreased the cable must be re terminated a low IR reading can result from a poorly made seal which will allow continuing moisture ingress and the seal must be remade EN PyrotenaxMlcommercialvviring IM H57864 05 15 65 Testing 4 Important If IR readings are less than 25 M fol low the instructions in Appendix C to dry out the cable Test Procedure The megohmmeter connections to check the IR of the MI cable between the conductors and the cable sheath and between conductor pairs are shown in Figure 39 For additional guidance please refer to the instructional video on our website and YouTube channel see section 1 1 Megger Testing Procedure for MI Power amp Communication Cables H59067 Insulation Resistance Test 1 Set megohmmeter test voltage at 0 Vdc 2 Connect the positive earth

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