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NX400 Installation Manual

Adjusting the spark gap

Issue 1.0 2017-06-30

Page 7-3

Table 7.1: Altitude Scale Factor

Altitude (ft)

Spark Gap Scale Factor

(multiply gap by...)

1.00

1,000

1.05

2,000

1.11

3,000

1.17

4,000

1.23

5,000

1.30

6,000

1.37

7,000

1.45

8,000

1.54

9,000

1.63

10,000

1.74

11,000

1.85

12,000

1.98

13,000

2.12

Содержание NX400

Страница 1: ...NX400 Transmitter Installation Manual Document NHB NX400 INS Issue 1 0 2017 06 30 Status Standard...

Страница 2: ......

Страница 3: ...Fax 1 207 947 3693 Customer Service 24 hour support 1 877 628 8353 Canada USA only 1 902 823 5100 International Email support nautel com Web www nautel com The comparisons and other information provi...

Страница 4: ......

Страница 5: ...eting cabinet assembly 3 1 Connecting transformer taps and secondary wiring 4 1 Connecting the station reference ground 5 1 Connecting ac power 6 1 Adjusting the spark gap 7 1 Installing audio inputs...

Страница 6: ...ing Nautel 11 1 Parts supplied by Nautel 11 1 Parts not supplied by Nautel 11 2 Parts ordering 11 2 Module replacement program 11 2 Tools for installation 11 3 Pre installation Installation assistance...

Страница 7: ...NX400 Installation Manual Issue 1 0 2017 06 30 Page ix Release control record Issue Date Reason 1 0 2017 06 30 Initial release of NX400 NARA67 Supports software version NX SW 4 7 and higher...

Страница 8: ...NX400 Installation Manual Page x Issue 1 0 2017 06 30...

Страница 9: ...ion Manual 2 Make sure that you received all the components Check your packing list 3 Inspect all crates and packages for damage Inspect the tip and drop indicators attached to the crates to determine...

Страница 10: ...nsmitter 7 Review any assembly notes or instructions contained inside the transmitter crates For sites requiring custom configurations the instructions provided with the transmitter replace the instru...

Страница 11: ...e ground see page 5 1 Connecting transformer taps load wiring see page 4 1 Installing control monitor wiring see page 9 1 Commissioning tasks see page 10 1 Perform operational tasks Commissioning Modu...

Страница 12: ...NX400 Installation Manual Preparing for installation Page 1 4 Issue 1 0 2017 06 30...

Страница 13: ...provided Table 2 1 NX400 Cabinet Weights CAUTION The NX400 contains adjustable feet that allow leveling of the cabinet in its final position ensure the leveling feet are fully retracted up before movi...

Страница 14: ...ac power cable and conduit or tray from the ac power disconnect switch reaches the entry point in the power transformer cabinet 5 Cover the top of the transmitter using a plastic sheet or suitable eq...

Страница 15: ...shipping Open the front door of the output cabinet remove and retain the 23 M5 screws from the hinged filter door see Figure 2 3 on page 2 6 Unlock and open the filter door to gain access to the insid...

Страница 16: ...them on the top of each cabinet as shown in Figure 2 6 on page 2 9 Use the existing hardware that secures the exhaust duct s grill to secure the stiffener brackets These brackets provide additional me...

Страница 17: ...and Removing Top Cover Plate Closed Air Cooling Remove the 12 M4 screws that secure the filter bracket Use same holes and hardware to install cover plate Partial Rear View Remove top cover plate Part...

Страница 18: ...Manual Unpacking and positioning Page 2 6 Issue 1 0 2017 06 30 Figure 2 3 Opening the Output Cabinet Filter Door Remove the 23 M5 screws that secure the hinged filter panel Cabinet 3 Shown Front Door...

Страница 19: ...ETE WITH FLAT WASHER AND SPLIT WASHER 6 1 8 Field Flange user provided Adapter Plate 6 1 8 Nautel Part 207 8283 05 NOTE For proper orientation ensure the machined lip faces down 6 1 8 Spacer Nautel Pa...

Страница 20: ...llation Manual Unpacking and positioning Page 2 8 Issue 1 0 2017 06 30 Figure 2 5 Location of Arc Detector Assembly Partial Rear View Rear Door Removed for Clarity Arc Detector Assembly A64 in racks 1...

Страница 21: ...Figure 2 6 Installing Stiffener Brackets Install stiffener brackets to create a frame as shown Remove and re use the hardware securing the exhaust duct grill to secure the brackets Single cabinet tran...

Страница 22: ...NX400 Installation Manual Unpacking and positioning Page 2 10 Issue 1 0 2017 06 30...

Страница 23: ...using 12 sets of M8 hardware 25 mm long bolts split washers flat washers and nuts packed inside the filter compartment of cabinet 1 two between each cabinet interface in the front and two between each...

Страница 24: ...2 which are bubble wrapped and secured inside the filter compartment of cabinets 1 and 2 8 Install the joiners between cabinet 1 and cabinet 2 between cabinet 2 and cabinet 3 and between cabinet 3 and...

Страница 25: ...leting cabinet assembly Issue 1 0 2017 06 30 Page 3 3 Figure 3 2 Cabinet Joiner Channel Detail VERTICAL CHANNEL JOINERS HORIZONTAL CHANNEL JOINER UPPER TEFLON SUPPORT PLATE LOWER TEFLON SUPPORT PLATE...

Страница 26: ...re 3 6 on page 3 12 In the control cabinet cabinet 1 cut tyraps to free and unwrap the copper straps from inductors RK1 L7 and RK1 L8 Reattach the straps to the aluminum plate in the middle of the lef...

Страница 27: ...gh the large hole in the Teflon Support Plate between the side cabinet cabinet 4 and output cabinet cabinet 3 leaving at least six inches of the second copper tube s L shaped brass end outside of the...

Страница 28: ...lled in Step 19 see Figure 3 5 on page 3 11 using three sets of M8 hardware on the side and an M12 bolt Belleville washer and flat washer on the end Torque the M12 bolt to 275 in lbs 31 N m 23 Install...

Страница 29: ...erface PWB A1A11A1 Connect RK2 W62P1 to J14C connect RK3 W63P1 to J14E and connect RK4 W64P1 to J14G 30 See Figure 3 3 on page 3 9 Locate the PDM drive cables terminated by RJ45 connectors RK2 W72P1 R...

Страница 30: ...e the back doors open to allow installation of ac power wiring see Section 6 Connecting ac power on page 6 1 and assembly of the output cabinet s station reference ground see Section 5 Connecting the...

Страница 31: ...NX400 Installation Manual Issue 1 0 2017 06 30 Page 3 9 Figure 3 3 Routing Interconnect Cables SOME RF POWER MODULES AND FANS ARE NOT SHOWN FOR CLARITY ETHERNET ETHERNET RK3 A67A1J3...

Страница 32: ...Figure 3 4 NX400 Transmitter Cabinet Assembly Aid Sheet 1 of 4 TOP OF OUTPUT CABINET CABINET 3 REAR OF OUTPUT CABINET CABINET 3 SIDE PANEL USE M5 HARDWARE SIDE PANEL USE M5 HARDWARE DIRECTIONAL COUPLE...

Страница 33: ...P SIDE CABINET CABINET 4 NX400 INTERNAL ASSEMBLY COPPER ANGLES AND INSULATORS ALREADY INSTALLED UPPER COMBINER COVERS ALREADY INSTALLED LOWER COMBINER COVERS ALREADY INSTALLED COPPER TUBES 207 8251 16...

Страница 34: ...lle Washer Hex Nut all M8 hardware torque nut to 137 in lbs INDUCTOR RK1 L8 CABINET 1 CONTROL CABINET CABINET 2 INNER CABINET FRONT VIEW DOORS REMOVED FOR CLARITY INDUCTOR RK2 L8 194 6298 02 CONNECTOR...

Страница 35: ...NET 3 OUTPUT CABINET CABINET 4 SIDE CABINET FRONT VIEWS DOORS REMOVED FOR CLARITY 207 8246 02 NX400 OUTPUT PLATE PART OF SPARK GAP ASSEMBLY REMOVE WITH PLATE INDICATES A SECURING HARDWARE CONNECTION P...

Страница 36: ...he end of each phase connection consists of four copper straps see Figure 4 2 on page 4 2 Ensure the four copper straps for each phase are evenly split i e two on top of loop two on bottom and secured...

Страница 37: ...ing Page 4 2 Issue 1 0 2017 06 30 Figure 4 1 NX400 power transformer line voltage tap layout Figure 4 2 NX400 power transformer double loop tap design 2 3 4 5 6 H 3 H 2 H 1 1 X 2 X 3 X 1 Y 2 Y 1 Y 3 X...

Страница 38: ...to support the wiring A cable tray parts kit is available from Nautel Cable tray brackets shown on the transformer cabinet see Figure 4 3 on page 4 5 and transmitter cabinets see Figure 4 4 on page 4...

Страница 39: ...in the ancillary kit see Figure 4 5 on page 4 7 for proper installation techniques 8 Route the green 1 0 AWG wire for ground in Step 3 between the Secondary Cable Tray GND point on the side of the tr...

Страница 40: ...2017 06 30 Page 4 5 Figure 4 3 NX400 secondary wiring connections power transformer cabinet CABLE TRAY WIRING INTERFACE AND BRACKETS Remove only the screws securing the cover TRANSFORMER GND X0 WT02 S...

Страница 41: ...ons transmitter cabinets AC CABLE ENTRY DOWN THROUGH CABLE DUCT REPEAT AC CONNECTIONS FOR EACH TRANSMITTER RACK TOP VIEW CABINET 3 SHOWN REAR SIDE VIEW WITH REAR DOOR REMOVED XMTR REF GND 1 0 AWG CABI...

Страница 42: ...sert the stripped cable end into the gauge s largest end Move the cable until it contacts the gauge on both sides The gauge will indicate either XXXX or OOOO 4 Insert the cylindrical head into the hoo...

Страница 43: ...NX400 Installation Manual Connecting transformer taps and secondary wiring Page 4 8 Issue 1 0 2017 06 30...

Страница 44: ...e cabinet s exterior 4 Attach a continuous low impedance conductor minimum four inch copper strap or equivalent wire between the transmitter s station reference ground stud and the transformer cabinet...

Страница 45: ...e ground Page 5 2 Issue 1 0 2017 06 30 Figure 5 1 Safety Ground Stud Assembly Detail INTERIOR 1 M10 BRASS STUD 2 M10 NUT 3 M10 FLAT WASHER 4 M10 SPLIT WASHER 5 EXTERIOR REFERENCE GROUND CONDUCTOR 6 CA...

Страница 46: ...Make sure the ac input cables will pass safely through the hole Install the cable glands and cable tray connections on the ac switch if desired 5 Open the ac power disconnect switch s front door Conn...

Страница 47: ...e see Figure 6 1 on page 6 3 as follows Use a chassis punch tool e g Greenlee etc to punch the desired size hole in the top of the ac switch Make sure the ac input cables will pass safely through the...

Страница 48: ...ansformer Cabinet Primary Side CABLE TRAY WIRING INTERFACE Figure shown with optional primary wiring kit Standard entry plate requires holes to be punched for entrance of ac wiring CLEARANCE HOLE FOR...

Страница 49: ...NX400 Installation Manual Connecting ac power Page 6 4 Issue 1 0 2017 06 30...

Страница 50: ...instructions on using the ac disconnect switch which is provided by Nautel 3 Gain access to the RF output spark gap by opening the front door of the output cabinet cabinet 3 and then opening the hinge...

Страница 51: ...NX400 Installation Manual Adjusting the spark gap Page 7 2 Issue 1 0 2017 06 30 Figure 7 1 RF Output Spark Gap Location Spark Gap E1 This side is stationary Locking Nut...

Страница 52: ...0 2017 06 30 Page 7 3 Table 7 1 Altitude Scale Factor Altitude ft Spark Gap Scale Factor multiply gap by 0 1 00 1 000 1 05 2 000 1 11 3 000 1 17 4 000 1 23 5 000 1 30 6 000 1 37 7 000 1 45 8 000 1 54...

Страница 53: ...NX400 Installation Manual Adjusting the spark gap Page 7 4 Issue 1 0 2017 06 30...

Страница 54: ...and has a pre cut centered 1 4 inch diameter hole Use a chassis punch tool e g Greenlee etc to punch the desired size hole in the entry plate Make sure the audio input cables will pass safely through...

Страница 55: ...aps Nautel Part HAC15 in the ancillary kit see Figure 8 3 on page 8 4 to locate tyrap anchor hole locations 9 If you are using an external USB device as your playlist connect the USB device to a USB p...

Страница 56: ...e 8 2 Audio Cable Entry Cable Entry Note Wiring access hole has a removable plate with a pre cut 1 4 inch dia hole Use a chassis punch tool e g Greenlee to create the desired hole size up to 2 inches...

Страница 57: ...iter Panel shown CONTROL INTERFACE PWB A1 10 MHz SYNC J8 AES2 J10 AES1 J11 BALANCED ANALOG AUDIO J12 EXGINE PWB A7 OPTIONAL GPS SYNC PWB A5 OPTIONAL USB AUDIO INTERFACE PWB A6 OPTIONAL GPS ANTENNA J2...

Страница 58: ...ired control monitor entry plate as follows see Figure 9 3 on page 9 4 Remove the left hand or right hand entry plate from the top of the transmitter Each is secured using two M4 screws and has a pre...

Страница 59: ...configuration details are outlined in the Planning control monitor connections section of the Pre installation Manual 8 If you are using web based control for the transmitter route an Ethernet cable t...

Страница 60: ...igure 9 2 Passing Audio Input Wiring Through Ferrite Toroids Part of GPS SYNC PWB A1A11A5 E2 shown configured for Nautel supplied 3 3 V antenna Configuration for 5 V antenna not supplied by Nautel Con...

Страница 61: ...igure 9 3 Remote Cable Entry Cable Entry Note Wiring access hole has a removable plate with a pre cut 1 4 inch dia hole Use a chassis punch tool e g Greenlee to create the desired hole size up to 2 in...

Страница 62: ...erlock and PDM Inhibit connections as applicable A1 RF MONITOR J7 REMOTE OUTPUTS J3 J4 J5 ANALOG OUTPUTS and EXT 15 V IN J6 A4 REMOTE INPUTS J7 J8 J9 A1 A5 A1 Control Interface PWB A4 Remote Interface...

Страница 63: ...nstalling control monitor wiring Page 9 6 Issue 1 0 2017 06 30 Figure 9 5 Web Interface Connection ETHERNET CABLE ENTRY Secure to existing cable with tyraps Connect to left hand LAN1 connector nearest...

Страница 64: ...the ancillary kit Re install the air filters on the transmitter 2 Terminate the transmitter s RF output into a precision 50 resistive dummy load that is able to dissipate the RF power being applied t...

Страница 65: ...programming connect an analog audio generator preset to 1000 Hz at zero output turned off to XLR connector J12 on the control interface PWB or an AES signal generator to connector J11 on the control...

Страница 66: ...he transformer tap setting see Section 4 Connecting transformer taps load wiring If the ac sample voltage is too high you will need to increase the tap voltage If the ac sample voltage is too low you...

Страница 67: ...toring the PA voltage Ensure the PA voltage remains within 10 of the following calculated value 13 Check the reflected power level It should be near 0 W 14 Check for alarms using the Transmitter Statu...

Страница 68: ...and Maintenance Manual for detailed information 21 Use the local or remote AUI to configure your desired remote inputs and outputs See the Operating the Transmitter section of the NX400 Operations and...

Страница 69: ...nected to J11 AES1 or J12 balanced analog on the control interface PWB and that its output is preset to 1 000 Hz at a zero output level turned off 4 Turn on the audio signal generator and increase the...

Страница 70: ...e RF coaxial hardline at the transmitter s output 3 Turn on the transmitter s ac power 4 Connect the desired modulation source to the transmitter see Section 7 Planning audio inputs of the Pre Install...

Страница 71: ...nnector on the SBC see Figure 9 5 on page 9 6 Use one of the following two methods depending on whether you are automatically DHCP or manually static assigning an IP address If your network has a DHCP...

Страница 72: ...ee page 11 2 Tools for installation see page 11 3 Contacting Nautel You can reach Nautel to order parts or for technical assistance at Nautel Limited 10089 Peggy s Cove Road Hackett s Cove NS Canada B...

Страница 73: ...amps All electrical power cables including conduit terminating devices and conduit clamps A plastic sheet or suitable equivalent used to cover the top of the transmitter during instal lation to preven...

Страница 74: ...rivers sizes 1 and 2 Pliers Wire cutters Slot screwdriver 5 mm 3 16 inch Metric and Imperial socket set up to 24 mm 15 16 inch Metric and Imperial wrench set up to 25 mm 1 inch Feeler gauge to measure...

Страница 75: ...NX400 Installation Manual Parts and tools Page 11 4 Issue 1 0 2017 06 30...

Страница 76: ...rk with you to ensure that your site will be ready for the installation of your NX400 transmitter For support contact Nautel Customer Service and request assistance On site support on page 3 Installat...

Страница 77: ...on against lightning and lightning induced transients has been provided The transmitter has been unpacked closely checked for any damage caused by shipping and then assembled The following test equipm...

Страница 78: ...ness hours Atlantic time or Eastern time in North America requests sent by fax or email will be acknowledged within one working day Training Nautel s SBE certified broadcast training programs satisfy...

Страница 79: ...Original Equipment Manufacturer Exercise of such warranty shall be between the Buyer and the Third Party 1 Properly qualified technical personnel must install maintain and repair the equipment in acco...

Страница 80: ...ment when it is used in combination with other equipment not purchased specified or approved by Nautel d damages and performance limitations due to outside forces such as lightning excessive heat or c...

Страница 81: ...nce on a 24 hour seven days a week basis Requests by other media fax or e mail will be responded to the next working day if received after Nautel s normal working hours Contact the appropriate field s...

Страница 82: ...he list price USA customers are required to contact our Bangor Maine facility Canadian and overseas customers should contact our Nova Scotia Canada facility Equipment being returned to Nautel For all...

Страница 83: ...s needs However if you want extended coverage Nautel offers one and two year Extended Warranty Plans to cover electrical and mechanical repairs or replacements for all Nautel equipment Coverage The Ex...

Страница 84: ...transmitter is still covered by its original four year warranty period you can contact Nautel by telephone fax mail or email with the model number serial number and date of purchase Once you purchase...

Страница 85: ...NX400 Installation Manual Pre installation Installation assistance Page 12 10 Issue 1 0 2017 06 30...

Страница 86: ...smitter circuitry Cutback A reduction in RF output power caused by a total power limit fault or the occurrence of three shutbacks within a five second period DAC Digital to Analog Converter DAM Dynami...

Страница 87: ...and Exciter B IBOC The NX400 allows you to pre program multiple presets Shutback A complete loss of RF output power caused by any one of a variety of faults including high VSWR low B voltage high RF c...

Страница 88: ......

Страница 89: ...NAUTEL 662 8835 Canada USA only or Phone 1 902 823 3900 or Fax 1 902 823 3183 Nautel Inc 201 Target Industrial Circle Bangor Maine USA 04401 Phone 1 207 947 8200 Fax 1 207 947 3693 Customer Service 24...

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