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<br /> Installing Vac Sensor Housing SupportBracket acu Connections within Field Wiring ysteohne ions O
<br /> Overview
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<br /> A simplified Veeder-Root Vacuum Sensor system installation in an STP sump is shown in Figure 1.Vac Sensor Get the Vac Sensor housing support bracket and the curved tensioning clamp from the mounting kit. Hold the Vacuum Connections to a Double-Wall Product Line 1. Tie wrap the loose cable pairs into a bundle going from the Vac Sensor housing to the sump junction box(es). Z O Q
<br /> VS and Vac Float(VF) modules are assembled in a housing which is shown in Figure 2.A separate mounting bracket against the STP riser. Place the curved clamp around the back of the riser and hook the four notches in the
<br /> ( ) 2. Get necessary cord grip bushings from the kits-one for each Vac Sensor,Vac Float,and the Tank interstitial W r O _
<br /> bracket see Figure 2 is cosi/ attached to the STP riser to support the Vac Sensor housing.Approximately 12 clamp over the four barbs in the top of the bracket (see Figure 6). Position the bracket so the top of bracket is at 1. Get a 3-way ball valve, 1/4" NPT close nipple, 1/4"N PT/barbed adapter,and spring clamp from the Vac %-/
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<br /> inches of clearance is required below the pump manifold for the Vac Sensor system. Final vacuum connections are least 12 inches above the sump floor and hand tighten the tension adjust knob on the back of the clamp until the Sensor install kit. sensor cable that will enter the junction box(es)in the sump. Loosen the cord grips and screw each one into a J
<br /> made once the housing and bracket are in place.A 1/4" NPT port into the interstitial space of the double-wall assembly is secure. junction box port. D r ,
<br /> 2. Apply an adequate amount of fresh UL classified for petroleum, non-settingthread sealant (herein after >
<br /> vapor return line,double-wall product line, and/or double-wall sump must be accessible in the sump. For _ referred to a s sealant)to the threads of the 1/4" NPT nipple and screw it into the 1/4" NPT port in the 3. Push the first Vac Sensor/Vac Float cable pair sato adjacent cord grips (keep the pairs together as the two �_ W (�
<br /> p - .- __... _ -_-.___�____-_____`._�._-..__---._e � PP cables will typically be wired to one cable going to the TLS Console). Make sure all of the cables to the � Z
<br /> installations requiring tank interstice monitoring,a riser must be in the same sump for the interstitial sensor. Field --------- -_.-_._ .-_--_____.__-____.__.____._
<br /> wiring connections of the Vac Sensor system components are sealed in a customer supplied sump junction box I slots(4)-position over Tension adjust knob vacuum termination fitting of the product line(Figure 9).Apply sealant to the other end of the nipple and screw
<br /> I on the 3-way ball valve. NOTE:the 3-way ball valve must be oriented as shown in Figure 9.Apply sealant to console are tagged (e.g.,Tank 1 product line,Tank 1 vapor line) to facilitate TLS setup. o
<br /> barbs on bracket / 1 Y Y g PP Y U � J
<br /> the threaded end of the 1/4" NPT/barbed adapter and screw it into the side port of the 3-way ball valve. 4. Strip back the leads of one of the cables from the TLS Console 3/8". Strip back the leads of the Vac Sensor/
<br /> Curved clamp W Q W
<br /> c Float pairs 3/8". Using wire nuts from the kits attach the wires as per the diagram in Figure 15.NOTE:the
<br /> 3. Get the 1/4" ID tubing from the install kit and measure a piece that will connect the 3-way ball valve to the Vac Sensor cable has three wires and the Vac Float cable has two wires. > Q Z U Z
<br /> barbed tubing nipple on the Vac Float (Figure 10) that is connected to the Vac Sensor labeled'P'. Plan enough J
<br /> tubing so that it isn't stretched between fittings or have any sharp bends/kinks in it.Cut and install this tubing 5. Seal wire nuts with epoxy sealant following the instructions in Figure 16.Note:the illustration shows only two zoZ Q
<br /> and secure tubing ends with spring clamps. cables in the pack, but in this case, all three cables must be submerged as per the illustration. N - (>
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<br /> Epoxy seal per STP 6. Connect the remaining Vac Sensor/Vac Float pairs and the Vac Sensor/Tank Float pair as discussed above, Q:f w O �•/
<br /> NFPA spec <-- Sump Vacuum Connections to a Double-Wall Vapor Return Line sealing each set of wires in epoxy sealant packs. o o O Q Q
<br /> _ Repeat steps 1 - 2 of the Product Line connection instructions for the vapor return line connection,except: c
<br /> Product line Bf�, f ( ( j
<br /> vacuum fitting VAC Sensor • Install the 1/4 NPT close nipple in the vacuum termination fitting of the vapor return line, \\;;.,,,// W Q
<br /> Dual weatherproof . Connect one end of the tubing to the vapor return line barbed adapter and the other end to the Vac Float that is c D c D c D Q / 1
<br /> junction boxes w/ housing support CAUTION:Epoxy sealant is irritating to eyes,respiratory system,and skin.Can cause allergic skin reaction. cn <n C/ a `.J
<br /> connected to the Vac Sensor labeled 'V'. a Q N 0
<br /> cord grip wiring I 1 bracket Contains:epoxy resin and Cycloaliphatic epoxycarboxylate. Precautions:Wear suitable protective clothing, a
<br /> entries - _ - ( gloves, eye, and face protection. Use only in well ventilated areas.Wash thoroughly before eating,drinking, or- W co U)
<br /> ® 12"Min. ( Vacuum Connections to a Double-Wall Tank Vent Line smoking. 0 0 o Y W Z O
<br /> Double wall sump o ; '� STP Riser 1
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<br /> vacuum fitting - ....... -- „- aa s o e Product Line connection instructions or the an ven line connection, - "�- ( ,
<br /> ________,___•__•-; Vapor return line Repeat steps 1 2 f th d L• f tank t h v
<br /> vacuum fitting -� Jp p p
<br /> -- - - Install the 1/4"NPT close nipple in the vacuum termination fitting of the tank vent line, Epoxy sealant Oak m m m m
<br /> Figure 6. Attaching Vac Sensor housing support bracket • Connect one end of the tubing to the tank vent line barbed adapter and the other end to the Vac Float that is Vac Wire nut (3) N N
<br /> connected to the Vac Sensor labeled 'TV'. C4 C14 -74
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<br /> Double wall tank
<br /> - ------------ ---• Citing Vac Sensor abler an Tagging Vac Sensor/Vac Moat airs Vacuum Connections to a Double-Wall Sump White , CN
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<br /> 1. Next get the Vac Sensor cables (with connectors on one end)from the kit(s) and attach the connector of each Repeat steps 1 2 of the Product Line connection instructions for the sump interstice connection,except: Black _ To Smart Sensor �' °O '- z ~
<br /> 1 1 cable to each of the Vac Sensor ports labeled TLS (on the Vac Sensor cover). Uncoil each of the Vac Float • Install the 1/4"NPT close nipple in the interstitials ace access ort provided in the sump's wall. Interface Module
<br /> Tank interstitial P PP P P P P Red BIaCk{-)
<br /> sensor vacuum fitting Four vac Sensor cables. Notice that each Vac Sensor,except the one for the tank interstice, has a short piece of tubing ® Connect one end of the tubing to the sump interstice barbed adapter and the other end to the Vac Float that is
<br /> Housing Assembly connecting it to a Vac Float beneath it(diagram A in Figure 7). In installation diagram B of Figure 7,there is no connected to the Vac Sensor labeled 'S'.
<br /> bracketed to riser Red
<br /> tank interstitial sensor,but there is a Vac Sensor monitoring the tank vent line interstice.A Vac Sensor/Vac
<br /> Float tubing connected pair must be wired together in the junction box. -_ i_ _ I Black
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<br /> Figure 1. Four Vacuum Sensor assembly w/tank interstitial sensor Installation Example 2. Use a felt pen and write on the top of the Vac Sensor housing to what device each of the Vac Sensors below
<br /> will be attached (see Figure 8). For example, P=product line,S=sump interstice, V=vapor line,and T= vacsensorsrtigl3.eps
<br /> tank interstice,or TV=tank vent interstice. NOTE:There is no particular order except that the Vac Sensor that TO STP Double wall Vac Float or
<br /> - product line Interstitial Sensor
<br /> - ---- -- --
<br /> is not attached to a Vac Float must be assigned to the Tank interstitial space diagram A ,so make a T mark i
<br /> to dispensers L
<br /> over that Vac Sensor. If the mark you wrote on the housing over the first Vac Sensor was'P', locate the cable
<br /> g ends of this Vac Sensor/Vac Float pair,tape them together about every foot along their length and at their Figure 15. Field wiring connections
<br /> Vac sensor - -- ends, and tag the end of this cable pair'P'or'Product Line Vac Sensor. Repeat this taping and tagging for R1/4"NPT port in vacuum line
<br /> housing �t 62s each of the Vac Sensor/Vac Float pairs.The Vac Sensor marked will only have one cable,so tag the end of
<br /> v p 3-way ball termination fitting
<br /> -r this cable 'T'for'Tank Vac Sensor'. valve ;
<br /> Tension clamp 1/4 NP
<br /> f �! T close nipple 13
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<br /> Support bracket Ven port transducer
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<br /> (- Riser Product Vapor Tank Sump Product Vapor Tank Sump �; / Make sure that
<br /> line line line line Vent p A f fr ' `R . ._ the ends of cable
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<br /> Apply fresh,UL classified for petroleum,non-setting �/
<br /> -- Sump
<br /> thread sealant to threads of nipple and barbed adapter sheathing are sub
<br /> merged in sealant Tie wrap
<br /> t _f- t.... ;i -1 :i !' - r t ;t- I 1/4 NPT/barbed adapter
<br /> Front View Side View I : { _ ..-^'" •17" e
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<br /> Wire nuts
<br /> Figure 2. Vac Sensor Assembly Dimensions ; . 1 { Spring clamp
<br /> 1/4"ID tubing to Instructions:
<br /> Vac Float acsenso srtiga.eps
<br /> NOTE:When temperature is below 50T(10'C),keep resin in 4. Mix thoroughly to a uniform color by squeezing contents
<br /> Fret AssemblingVac Sensor/Vac Moat modules f/ J N
<br /> a warm lace prior to mixinge. .,in an inside pocket next back and forth 25-30 times.
<br /> , "t ! --- �_ __-___ ( g 5. Ix arm resin into one end of and cutoff
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<br /> to body). Squeeze mixed,w bag
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<br /> n y)' other end.
<br /> the Vac Sensor housing Continue to Ste 1.If you are l i!:_r-._ 3 iL- __.i i iii -=-� I ._�� I -_ � I ......__-.- , i;'.-_ ,r; ;; Figure 9. Installing check valve at product line vacuum termination fitting 1.Open epoxy sealant package,and remove resin pak. 6.Slow/ in wiring If you are field assembling the Vac SensorNac Floats Into y insert 1 g connections into seating pack until they W
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<br /> installing the pre-assembled 2,3,or 4 Vac Sensor kit go to"Installing Vac Sensor Housing Support Bracket"on II $',� .� ( +'" a, 2- Holding resin Oak as shown in A, bend Oak along long fit snugly against the opposite end as shown in C. LL
<br /> i { length. 7.Twist open end of bag and use tie wrap to close it off and J
<br /> page 6. j= :j i -i i 1" E-_ "--- 1, �.- r==; -_ 3.As shown in B,firm) squeeze the RED SIDE of the resin, position the tie wrapped end u until the resin ells- Q
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<br /> 1. Get the Vac Sensor module with bracket from each of the secondary piping vacuum monitoring system kits. If I j ;I ;, i „___ forcing it through the center seal and Into BLACK SIDE.
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<br /> .__ " O Vac Sensor 2 W
<br /> a tank interstice is being monitored, also get the Vac Sensor module with bracket from that kit. aa i
<br /> 2. Get the Vac Sensor housing from the mounting kit and attach each of the Vac Sensors(up to 4)to the top ofM.
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<br /> the housing using #10 x 3/8 self-tapping screws as shown in Figure 3. The Vac Sensor covers should be to
<br /> i Figure 16. Epoxy sealing wiring connections
<br /> the left in the installed position with the STP Siphon port facing the front of the housing. J I I I I '"
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<br /> 3. Get the Vac Floats and#10 x 3/8"self-tapping screws from the secondary piping vacuum monitoring system i I i i I i Cable pair to _ 0 0) 0
<br /> vacsensors/tigl8.eps i
<br /> kits. Up to three Vac Floats can be attached to the housing as shown in Figure 3-there is no Vac Float for a r 1 r 1 1 1 junction box i
<br /> Vac Sensor monitoring the tank interstice.If you are using only one or two Vac Floats, attach them to positions j _ � Q
<br /> shown in the figure, preferably under a Vac Sensor(s). Figure z Identifying Vac Sensor/Vac Float pairs ConnectingVac System Field Wiring to TL Console O
<br /> 4. Get the 1/4"ID tubing and the barbed elbows from the secondary piping vacuum monitoring system kits(1 for U
<br /> 1. Connect each Vac Sensor/Vac Float pair and the Vac Sensor/Tank Interstitial Float pair cables to either a
<br /> each Vac Sensor and 2 for each Vac Float). Get the tapered bushings and nuts for the Vac Sensor and Vac Installing Vac Sensor Housing Onto Support Bracket -
<br /> Float vacuum ports(2 for each Vac Sensor and 2 for each Vac Float) (ref. Figure 4).Insert the tapered end of i Smart Sensor/Press module or a Smart Sensor Interface module as shown in Figure 17. Note:at least one
<br /> Barbed elbow Smart Sensor/Press module must be installed in the console for proper Vac Sensor operation.
<br /> the bushing into the port then loosely screw on the nut. Repeat this step for each vacuum port. '`- --
<br /> 5. Insert a barbed elbow in the bottom bushing of one of the Vac Sensors and install an elbow in the rear Route all of the cables through the opening in the mounting bracket and attach the Vac Sensor housing to the
<br /> bracket by pushing the four hooks on the rear of the housing into the four slots in the bracket(see Figure 8) 1t4"ID tubing to product----��' --Vac Float vacsa"sprsflig,�.eps 2. System programming of the Vacuum Sensor System is performed following instructions in the TLS-3XX
<br /> bushing of the nearest Vac Float(preferably the one directly under it). Orient the elbows as shown in the tine 3-way valve System Setup Manual.
<br /> figure,then tighten both bushing nuts.Cut a piece of the 1/4"tubing and connect the elbow in the Vac Sensor - -- ------ ------ --- -
<br /> to the elbow in the Vac Float. Keep the connection kink free and as short as possible (see Figure 4).Install a Figure 10. Connecting vacuum tubing from product line 3-way ball valve barbed fitting to a Vac Float
<br /> barbed union in the other vacuum port of the Vac Float and tighten the bushing nut. Repeat this procedure for STP Riser INTRINSICALLY SAFE BAY OF TLS CONSOLE L
<br /> SMART W rfiT2-T+3T4T5 T6T+7-1 MAXIMUM �O
<br /> each additional Vac Sensor/Vac Float pair. Vac Sensor housing LL
<br /> 6. Get the barbed tees,and the barbed elbow from the secondarypiping vacuum monitoring system kits. Vac sensor device SENSOR x - - GUTPUT RATINGS
<br /> P P 9 9 Y ® Vacuum Connections to Siphon Port of the Pum r 2AMP
<br /> connection guide p p w
<br /> 7. Lookingat the front of the Vac Sensor housing, insert the elbow in the side vacuum ort bushing labeled STP use felt en ____----- ® MRs 0 /PRESS MODULE
<br /> 9 P 9 ( pen) ______-- -" � 1. Get the 1/4" NPT/barbed adapter from the mounting kit.Apply sealant to the threads of the fitting and screw
<br /> Siphon (on the Vac Sensor cover) in one of the Vac Sensors closest to the side of the housing.Orient the e o
<br /> elbow so that the open half is horizontal and pointing to the other Vac Sensors. Insert a tee in.the same '�s _ ----------------- it into the STP siphon port(see Figure 13).
<br /> vacuum port in each of the other Vac Sensors.Orient the tees in the horizontal position,except the Vac Attach able Shields to Ground
<br /> Lug Closest to Conduit Entry WARNINGI-To maintain
<br /> Sensor closest to the other side of the Vac Sensor housing. Remove this tee and orient it so that one end , intrinsic safety,Vac Sensor
<br /> points toward the other tees and one end points out at you then insert the inlet end into the bushing. Measure Vac Sensors ____-------- r - - - module ra Smart
<br /> trtSensor
<br /> --y �� a Smart Sensor/Press
<br /> --_---,--- O - module ora Smart Sensor
<br /> and cut a pieces of the tubing to connect each of the tees and elbow as shown in Figure 6.Once the tubing -- ------------------ ' ® interface module.
<br /> pieces are cut, remove the barbed elbows and tees to push on the tubing pieces,then reinsert this connected o - - - - -
<br /> assembly back into the Vac Sensor bushings and tighten the nuts (ref. Figure 6). Rigid conduit(enters console ..=>,
<br /> through an I.S.Bay knockout)
<br /> -------------------------------"------------- Vac Floats o
<br /> ---------------��-� ------"-"-'------"---- � '--+. - Product Line + Sum Interstice Vac
<br /> Vac Sensor housing Interstice Vac - + p
<br /> Route cables through O Vapor Ret Line+ -
<br /> j opening in back of support bracket 1J4' NPT to 1/4"barbed adapter Tank Interstice Vac atn a:9,4.epe
<br /> 0 o Interstice Vac - +
<br /> #10 x 3/8" self-tapping screws (8) vacsonsosfig8eps bracket ' 0 - As-Built
<br /> 2 each vac sensor bracket �� Spring clamp Figurerz Attaching Vac Sensors to Smart Sensor/Press Module 09/01/2022
<br /> Figure 8. Attaching Vac Sensor housing to support bracket (AD
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<br /> Vac Sensor - � " d � /
<br /> 1/4"ID tubing connects
<br /> 6 0 Vac Sensor vacsensor/fig12.eps to Vac Sensor vacuum
<br /> STP siphon g Control Field Wiring to TLS Console QRpt E S SI pHq�
<br /> STP Siphon port (typ.) housing - back cartridge manifold -
<br /> Connecting u - ---
<br /> Vac Sensor housing - front -� Figure 13. Attaching 1/4"nylon tubing to STP siphon cartridge For Sites With PLLD or WPLLD Leak Detection HAL P. GRUBB ?�
<br /> ' #10 x 3/8" self- Pump control for Vac Sensors is shared with the line leak system.Connecting PLLD/WPLLD leak detection as per -' 67814 70
<br /> tapping screws (2) 2. Measure a length of 1/4" ID tubing to connect 1/4" ID barbed tubing fitting in the siphon cartridge port and the instructions provided with those systems is all that is required.
<br /> / the vacuum input tee of the Vac Sensor system (see Figure 14). Plan enough tubing to avoid sharp bends in it
<br /> #10 x 3/8" self- /� or stretching it. Cut and install this tubing and secure tubing ends with spring clamps. For Sites Without PLLD or WPLLD Leak Detection S Q
<br /> _ - - � �9T SIV 1 �
<br /> tapping screws (2) A Pump Sense module and a 4-Relay module are required in the TLS Console for Vac Sensor pump control. F OF SFO
<br /> #10 x 3/8" self- -
<br /> Field Vilit'ing; CA 05/27/22
<br /> Vac Float (typ.) vacsensors/fig4.eps O For module connections with non-Red Jacket pumps see Figure 19,
<br /> tapping screws (2) ; C 1/4"ID tubing to
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<br /> siphon ort in STP
<br /> ------ --------------------- - p p TLS Setup: N -
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<br /> Pump Sense setup-assign each tank to Pump Sense device 0 Z > Z
<br /> Figure 3. Attaching Vac Sensors and Vac Floats to the housing Spring clamp _
<br /> Output Relay setup-select'Pump Control Output'
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<br /> Vac Sensor I PUMP p, PRIPI PR PRiPi PRI INPUT RATING - - p �p
<br /> 120 VAC 0) (D
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<br /> Power Panel o o a o w
<br /> Barbed tee '- � PUMP SENSE MODULE ® -- Of
<br /> AC Neutral j
<br /> Console J Pump Control
<br /> Cable pair to Tapered bushing/nut
<br /> junction box _ Figure 14. Connecting vacuum tubing from pump siphon port to Vac Sensor system (`- Self-Serve System
<br /> or Dispenser switched to
<br /> Rigid Conduit(enters hot 120 Vac
<br /> �-.-- Barbed elbow Console through a PUMP RETURN(PR) I �
<br /> Power Bay knockout) .A
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<br /> PUMP IN(PI) Y! N
<br /> "--Tubing connects >r ul
<br /> float to Vac Sensor 1- 3
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<br /> 1L it '-----Barbed elbow NCNOC NCNOO NCNOC NCNOCI RELAY RA Q I O
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<br /> Barbed elbow RELAY.. r -r- - -t- -r
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<br /> 120 VAC,2A Max;or � v' aY �
<br /> ® 24 voC,2A Max- Pump Motor M
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<br /> Tapered bushing/nut Vac Float vacsensorstig6.eps 4-RELAY OUTPUT MODULE Power Pump Contactor
<br /> Figure 4. Attaching tubing between Vac Sensor and Vac Float " LU
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<br /> Figure Power Panel � � > O �
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<br /> Rigid Conduit{enters M � �
<br /> Piece of tubing (typ.) Console through a AC Neutral N Q
<br /> Barbed tee Power Bay knockout)
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<br /> 1 * I i� , j{ ' sep,o,,;•�•pvgso.op, STP CCD
<br /> Orient the barbed _y ; i x- a�rl ;� Barbed elbow
<br /> Motor CD
<br /> tee on this end so f '
<br /> one of the ends _-
<br /> I Figure 19. Connecting Pump Sense&4-Relay Modules-Non-Red Jacket Pumps 6
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<br /> Figure 5. Attaching vacuum tubing between Vac Sensors Oo
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