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SteppIR DB11 Yagi, Assembly Manual

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22

2112 116TH AVE NE SUITE 1-5, BELLEVUE WA, 98004 

WWW.STEPPIR.COM

TEL: (425)-453-1910 FAX: (425)-462-4415

FINAL ANTENNA TEST

At this point the antenna should be 98% completely assembled and ready to be secured to the tower.  Before

this is done the antenna relays must be tested to insure that the antenna will operate correctly.  This is very

critical for the antenna to be able to switch each of the EHU’s from passive to driven when needed. If wiring

was done incorrectly then the relays will not switch at the correct time, if at all.  Follow the below test proce-

dure to insure the antenna is wired correctly.  

This test should be conducted while the antenna is on the ground.  The controller will need to be connected

to the antenna and also plugged into the power supply. In additions, the wire terminals will need to be

exposed from the terminal housing at the middle of the boom. In the case of the connector junction box it

may help to wait to install the lid of the connector box, for ease of testing. The coax antenna switch box lid

should not have been installed yet either. The wire terminal on the coax antenna switch will need to be

exposed to complete this test. Follow 

figure 14

and 

figure 15

for completing the final wiring test.

Figure 14

NORMAL MODE Relay Test

NOTE:

During the test you do not need to

unscrew any of the terminals.  All

voltages can be pulled off of the

screw head of the testing terminal.

Polarity does matter for testing the

voltage. The voltage present will be

slightly less then the supply voltage

(24v or 33v DC, depending on

which power supply option you

have).

Testing Procedure:

With the controller plugged in you

will first need to tune the antenna to

anywhere within the 20m band. 

Make sure that the antenna is in the

“NORMAL MODE”.

Once the red TUNING LED light

has stopped flashing on the con-

troller, perform the 3 different tests

shown to the right. 

This would also be a good time to

listen to the elements while they are

moving. 

Ensure that all the elements are

running smoothly and no stalling

occurred as the copper elements

move through the sweeps.

+

-

Summary of Contents for DB11 Yagi

Page 1: ...2112 116TH AVE NE SUITE 1 5 BELLEVUE WA 98004 WWW STEPPIR COM TEL 425 453 1910 FAX 425 462 4415 Dream Beam 11 Assembly Manual ...

Page 2: ...R p pr ro od du uc ct t W We e g gr re ea at tl ly y a ap pp pr re ec ci ia at te e y yo ou ur r b bu us si in ne es ss s a an nd d l lo oo ok k f fo or rw wa ar rd d t to o a a l lo on ng g a an nd d p po os si it ti iv ve e r rl la at ti io on ns sh hi ip p S Si in nc ce er re el ly y The SteppIR Team DB11 Yagi Manual 71 0018 Rev 3 03 22 2011 ...

Page 3: ...pment Do not modify this product or change physical construction without the written consent of Fluidmotion Inc dba SteppIR Antennas This limited warranty is automatically void if the following occurs improper installation unauthorized modification and physical abuse or damage from severe weather that is beyond the product design specifications SteppIR Antenna s responsibility is strictly limited ...

Page 4: ...2112 116TH AVE NE SUITE 1 5 BELLEVUE WA 98004 WWW STEPPIR COM TEL 425 453 1910 FAX 425 462 4415 1 ...

Page 5: ...2 0 1 1 2 343 3 5 0 66 77 8 0 6 1 77 9 9 9 00 0 0 9 0 8 8 8 5 8 0 9 1 1 2 0 6 8 1 1 2 5 9 9 9 9 9 0 9 5 8 8 0 5 8 8 9 6 0 9 6 0 9 5 8 5 3 6 8 0 0 6 8 3 ...

Page 6: ...2112 116TH AVE NE SUITE 1 5 BELLEVUE WA 98004 WWW STEPPIR COM TEL 425 453 1910 FAX 425 462 4415 3 0 1 12 3 41 5 5 41 5 6 1 12 ...

Page 7: ...2112 116TH AVE NE SUITE 1 5 BELLEVUE WA 98004 WWW STEPPIR COM TEL 425 453 1910 FAX 425 462 4415 4 0 1 2 3 4 2 5 5 0 11 2 2 3 4 3 5 3 1 1 6 07 8 3 7 9 0 0 07 1 2 ...

Page 8: ... sure to unplug the top portion of the connector when wiring as you cannot see the correct wiring code until the upper plug is removed The correct wiring code is printed closest to the terminal block and reads left to right Bk R G W Blu Br Trim the shield wire so that it is not exposed inside the EHU Figure 1 Wiring EHU Wiring connector board Reel Location for COAX seal NOTE Wire the cable to the ...

Page 9: ...he tower to assemble the antenna we suggest you find a place that you can put the antenna together in it s entirety and then disassemble as needed for transportation to the tower area Use of a level for adjusting the Element Housing Units EHU s is highly recommended This is a surprisingly accurate and consistent method Simply place the level on the mast plate and adjust each element accordingly 12...

Page 10: ...OTES Our boom pieces are drilled using a precision drill press This ensures that all of the bolts are snug when assembled With the DB series antennas if a boom piece is ever damaged we can now replace the individual boom piece as opposed to the entire boom Always apply anti sieze lubricant to stainless steel hardware This will prevent galling which destroys the bolts and can be a real problem gett...

Page 11: ...are required to connect the EHU s to the boom 8 BOOM Figure 3 CTR CTR CTR CTR CTR CTR Forward NOTES Spacing of the elements in relation to each other is critical Take great care to ensure that the ele ments are mounted as shown in figure 3 below All dimensions are taken from the center of the ele ment which is the center point of fiberglass tube that houses the copper beryllium strip both at the E...

Page 12: ...minum sad dles to the boom When the plate is level tighten the saddle bolts to 20 ft lbs 27 09Nm QTY 10 60 0017 10 x 3 4 Panhead QTY 10 60 0018 10 flat washer EHU DIR REF 70 3407 01 DVR 70 3401 01 10 1502 01 30 40 EHU gasket QTY 4 60 0075 5 16 x 3 1 4 Bolt 70 2030 01 Element Mounting plate with center gasket QTY 6 10 1601 03 1 3 4 Alumn Saddle QTY 10 10 0019 10 Nylock Nut 1 3 4 boom QTY 6 60 0046 ...

Page 13: ...ed through the drain hold on the lid of the Coax Antenna Switch The loose end of the control cable will be wired to the terminal housing or connector junction box if this option was purchased This procedure will be completed in a later step of the assembly process For now let the control cable hang unattched while the coax antenna switch is mount ed to the antenna DO NOT secure the lid and gasket ...

Page 14: ... 6 NOTES DO NOT mount the Antenna Switch housing and gasket These will be mounted once all testing of the antenna is complete QTY 2 Aluminum saddle 10 1601 03 Antenna Switch Housing DO NOT mount until all testing is complete Antenna Switch housing gasket cut to length DO NOT mount until all testing is complete Antenna Switch board mounted to housing lid QTY 4 Flat head screw located in small zip l...

Page 15: ...witch Figure 8 Wiring Coax Antenna Switch For details on wiring the Coax Antenna Switch refer to Figure 7 below The lid of the Coax Antenna Switch should not be attached yet Reflector EHU Feed from shack Control cable that will be wired into the terminal housing or connector box Driven EHU Director EHU Bottom View of Coax Antenna Switch Notes Take care not to bend the cable over any sharp corners ...

Page 16: ...Regardless of the mounting orientation make sure that the hole in the end cap of the terminal housing will be facing downward when you attach it This it to allow the housing to drain and prevent water from collecting inside the housing DO NOT SEAL THE TERMINAL HOUSING IT NEEDS TO BREATHE OUT OF THE BOTTOM DRAIN HOLE Figure 9 Terminal Housing Assembly NOTES With the hose clamp unscrewed it can be f...

Page 17: ...ery handy in the event of any control cable issues at a later date when the antenna is in the air Secure the coax and control cables from the EHU s to the boom Use the outdoor electrical tape 09 0001 to secure the cable to the boom Only two wraps of the tape are needed to hold the cable to the boom Tape the control cable and coax cable to the boom approximately every two feet Once both cables have...

Page 18: ... the last items done before putting the antenna on the tower Once the control cables from the EHU s and control cable are correctly wired fit the terminal strip into the terminal housing that has been mounted in it s respective location Make a couple of wraps of electrical tape around the control cable bundle where it will pass through the notch in the threaded plug This will help to protect the c...

Page 19: ...OM TEL 425 453 1910 FAX 425 462 4415 16 Figure 10 DB 11 Wiring Diagram Note Be sure to label all the terminal blocks with the corresponding EHU so that testing can be done more easily Labeling will also help with any future troubleshooting should an issue arise ...

Page 20: ...is showing 3 joint sections of a single pole but you will only be concerned with joints A and C because the single pole will be creating two separate pole assem blies as shown in drawing 70 2042 01 Once the pole is extended and within the correct length the joints can be taped as follows Start the tape with one complete wrap of electrical tape around the telescoping pole section joint Make sure to...

Page 21: ...he grip tape and aligned with the end of the pole 5 25 Align this clamp over center of silicone tape 2112 116TH AVE NE SUITE 1 5 BELLEVUE WA 98004 WWW STEPPIR COM TEL 425 453 1910 FAX 425 462 4415 18 NOTE Before attaching the plastic sweep loop make sure the label that says THIS WAY UP Failure to do this puts the drain holes up and water will collect in the element In the event the label has come ...

Page 22: ... EST of the element housing unit The hose clamp that is located on the smaller end of the rubber boot should be positioned so that it is past the black raised ring on the telescoping pole fig 12 This will help keep the tele scoping pole securely attached in addition to the gripping pressure applied by the clamp itself Once the rubber boot is in the correct location tighten both hose clamps as show...

Page 23: ...ntrol cable to the SteppIR controller By utilizing this connector splice there is no need to cut the DB25 connector off and re solder when running cable through con duit In addition now you can purchase custom cable lengths to within 1 foot of your desired length eliminating potential for excess cable To install the DB25 control cable splice follow these instructions 0 1 2 2 3 ...

Page 24: ...21 2112 116TH AVE NE SUITE 1 5 BELLEVUE WA 98004 WWW STEPPIR COM TEL 425 453 1910 FAX 425 462 4415 0 0 0 0 0 0 1 0 1 0 1 0 1 0 0 0 0 0 2 3 2 4 1 5 2 2 3 1 5 2 0 0 0 0 0 0 0 0 0 6 7 2 3 1 5 2 ...

Page 25: ...to install the lid of the connector box for ease of testing The coax antenna switch box lid should not have been installed yet either The wire terminal on the coax antenna switch will need to be exposed to complete this test Follow figure 14 and figure 15 for completing the final wiring test Figure 14 NORMAL MODE Relay Test NOTE During the test you do not need to unscrew any of the terminals All v...

Page 26: ... red TUNING LED light has stopped flashing on the controller Perform the 3 different tests shown to the right If all the voltages were correct from all six tests press the RETRACT button to send the elements to the home position Once the red TUNING LED light has stopped flashing and the controller power is off unplug the power and control cables from the controller If not all the voltages were cor...

Page 27: ...SteppIR Antennas HQ Bellevue WA DB 11 at STEPPIR Antennas ...

Page 28: ...2112 116TH AVE NE SUITE 1 5 BELLEVUE WA 98004 WWW STEPPIR COM TEL 425 453 1910 FAX 425 462 4415 ...

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