Endress+Hauser LT5 Operating Instructions Manual Download Page 6

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About this document

LT5

Hauser

1.2.5

Symbols in graphics

Symbol

Meaning

1, 2, 3 ...

Item numbers

…

Series of steps

A, B, C, ...

Graphics

A-A, B-B, C-C, ...

Cross-sections

Hazardous area

Indicates a hazardous area

Safe area (non-hazardous area)

Indicates a non-hazardous area

1.2.6

Device symbol

Symbol

Meaning

Safety instructions

Observe the safety instructions contained in the associated operating instructions.

Temperature resistance of the connection cables

Specifies the minimum value of the temperature resistance of the connection cables.

1.3

Summary of Contents for LT5

Page 1: ...Products Solutions Services Operating Instructions LT5 Float level gauge 0 9 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 1 2 3 4 BA01264G 00 EN 05 19 71470634 2019 12 20 ...

Page 2: ...LT5 2 Endress Hauser Order code Ext ord cd Ser no www endress com deviceviewer Endress Hauser Operations App XXXXXXXXXXXX XXXXX XXXXXX XXX XXXX XX Serial number 1 3 2 A0023555 ...

Page 3: ...5 9 Inspection certificate 32 5 10 General view of standard specifications and order codes 33 5 11 Guide wire installation 53 5 12 Measuring tape and measuring wire installation 55 5 13 Liquid sealant for seal pot 64 6 Setting 68 6 1 Dial display 68 6 2 Counter display 69 6 3 Indicator adjustment 70 6 4 Handling precautions for water filling airtightness tests and initial operation of the gauge 75...

Page 4: ...will result in a risk of serious or fatal injury fire or explosion CAUTION Note This symbol alerts you to a dangerous situation Failure to avoid this situation will result in a risk of minor or moderate injury and damages to property NOTICE NOTE This symbol contains information on procedures and other facts that do not result in personal injury 1 2 2 Electrical symbols Symbol Meaning Direct curren...

Page 5: ...rocesses or actions that are permitted Preferred Procedures processes or actions that are preferred Forbidden Procedures processes or actions that are forbidden Tip Indicates additional information Reference to documentation A Reference to page Reference to graphic Notice or individual step to be noted 1 2 3 Series of steps Result of operation or commissioning Help in the event of a problem Visual...

Page 6: ...erial number from the nameplate www endress com deviceviewer 1 3 1 Technical information TI Technical information contains all the technical data on the device and provides an overview of the accessories and other products that can be ordered for the device Device Technical information Float level gauge LT5 TI01167G 1 3 2 Operating instructions BA Operating instructions contain all the information...

Page 7: ...ials Depending on the version ordered the device can also be used with potentially explosive flammable poisonous or oxidizing materials Devices that are used in hazardous areas have corresponding labels on their nameplates To ensure that the device remains in proper condition for the operation time Only use the device in full compliance with the data on the nameplate and the general conditions lis...

Page 8: ... Observe local national regulations pertaining to repair of an electrical device Use only original spare parts and accessories from Endress Hauser Ex area Observe the following notes to eliminate the risk of danger to persons or the facility when the device is used in Ex areas e g explosion protection pressure equipment safety Check the model nameplate to ensure that the ordered device is explosio...

Page 9: ... C 4 to 157 F Display LT5 Dial 2 Needle type or counter type minimum readable scale 1 mm Only the counter display is available for 30 m and 100 ft Process connection LT5 1 Threaded type low pressure type Rp 1 1 2 w o union nut thread JIS B0203 Rc 1 1 2 union nut SUS316 thread JIS B0203 NPT 1 1 2 union nut SUS316 thread ANSI LT5 1 Flange type low pressure type Flange spec material 10K 40A RF alumin...

Page 10: ...eight 2 4 kg ρ Density limit g cm3 0 94 ρ 2 0 Indicator coupling coupling between gauge head and indicator LT5 1 Threaded type low pressure type Coupling Penetration shaft LT5 4 Flange type medium pressure type Coupling Pressure bulkhead magnet coupling LT5 6 Flange type high pressure type Coupling Pressure bulkhead magnet coupling Total weight LT5 1 Threaded flange type low pressure type Approxim...

Page 11: ...inum alloy casting Si7Mg AC4A Aluminum alloy casting Si10Mg Stainless steel Symbol Description SUS304 Stainless steel 18Cr 8Ni SUS316 Stainless steel 18Cr 12Ni 2 5Mo SCS13 Stainless steel cast steel equivalent to SUS304 SCS14 Stainless steel cast steel equivalent to SUS316 Others Symbol Description SGP Galvanized pipe Carbon steel pipe PVC Polyvinyl chloride ...

Page 12: ... method varies depending on the order codes The sheave elbow is delivered separately for flange type 1 2 3 3 4 6 7 8 5 A0039945 1 Packing layout 1 Gauge supporter 2 Anchor hook 3 sheave elbow 4 Top anchor 5 Guide wires 6 Measuring tape 7 Gauge head 8 Float below the gauge head ...

Page 13: ...ification of the device Nameplate Extended order code with a breakdown of the device features on the delivery note Enter serial numbers from nameplates into the W M Device Viewer www endress com deviceviewer all information on the device will be displayed For an overview of the scope of the relevant technical documentation included with the product refer to the following The W M Device Viewer Ente...

Page 14: ...iginal packaging or hold it by the process connection Do not fasten lifting devices hoisting slings lifting eye bolts etc at the housing instead secure them to the process connection Take into account the center of gravity of the device in order to avoid unintended tilting Comply with the safety instructions and transport conditions for devices over 18 kg 39 6 lbs IEC61010 NOTICE Risk of injury Tr...

Page 15: ...e type 153 6 02 200 7 87 210 8 27 305 12 275 10 82 Ø140 5 51 Ø140 5 51 A B C 1 109 4 3 112 4 41 Ø400 15 74 Ø400 15 74 Ø410 16 14 440 17 32 320 12 6 60 2 36 170 6 7 420 19 3 240 9 45 4 M10 180 7 1 D E 207 8 15 Ø30 1 18 Ø30 1 18 A0041186 3 LT5 1 float dimensions Unit of measurement mm in A Gauge head ADC12 B Float φ140 SUS316 C Float φ400 SUS316 D Float φ140 PVC E E float φ400 PVC 1 1 union nut sele...

Page 16: ...15 80 3 15 120 4 72 120 4 72 120 4 72 150 5 90 770 30 31 1 2 2 330 12 99 180 7 09 1500 59 06 620 24 4 Ø13 0 51 32 1 26 15 0 6 40 1 57 40 1 57 4 5 4 0 18 0 16 40 1 57 4 5 4 0 18 0 16 Ø20 0 79 32 1 26 25 0 98 40 1 57 1 1 A0041189 5 Accessory 2 Unit of measurement mm in A Seal pot select from aluminum SUS316 B Seal pot PVC only flange type is available for PVC C Anchor hook select from iron SUS316 D ...

Page 17: ...B Float φ140 SUS316 C Float φ400 SUS316 D Float φ140 PVC E Float φ400 PVC 1 Flange select from JIS 10K 40A RF ASME NPS1 1 2 Cl 150 RF JPI 40A 150lbs RF 90 3 54 250 9 84 32 1 26 300 11 81 170 6 69 20 0 79 40 1 57 203 7 99 36 1 41 11 0 43 A B C D 1 1 2 230 9 06 9 0 35 49 1 93 A0041191 7 Accessory 1 Unit of measurement mm in A Gauge supporter select from iron SUS304 B Top anchor ADC6 AC4A C Top ancho...

Page 18: ...cessory 2 Unit of measurement mm in A Seal pot select from aluminum iron SUS316 see notes below B Seal pot PVC C Anchor hook select from iron SUS316 D Anchor hook PVC bolt E Select from 90 ADC6 AC4A 5CS14 SUS316 1 Flange select from JIS 10K 40A RF ASME NPS 1 1 2 RF JPI 40A 150lbs RF 2 Flange select from JIS 10K 40A RF ASME NPS1 1 2 Cl 150 RF JPI 40A 150lbs RF 3 Flange select from JIS 10K 40A FF AS...

Page 19: ...18 94 A 1 1 1 1 B D G E F Ø400 15 74 Ø410 16 14 440 17 32 150 5 9 200 7 87 Ø20 0 79 1 90 3 54 250 9 84 32 1 26 300 11 81 170 6 69 36 1 41 11 0 43 H 115 4 53 A0041193 9 Dimensions of LT5 4 Unit of measurement mm in A Gauge head AC4CT6 B Gate valve SCS13 C Top anchor AC4CT6 D 135 sheave elbow AC4CT6 E 90 sheave elbow AC4CT6 G Anchor hook select from iron SUS316 H Gauge supporter select from iron SUS...

Page 20: ... 40 1 57 4 5 4 0 18 0 16 G 350 13 78 230 9 06 60 2 36 170 6 7 170 6 7 4 M16 236 9 29 505 19 88 1 9 0 35 130 5 12 170 6 69 250 9 84 A0041194 10 Dimensions of LT5 6 Unit of measurement mm in A Gauge head iron B Gate valve SCS13 C Top anchor select from iron SUS316 D Float SUS316 E 135 sheave elbow iron F 90 sheave elbow iron G Anchor hook select from iron SUS316 H Gauge supporter select from iron SU...

Page 21: ...p incline the float must be installed so that it is positioned near the center of the tank Use an appropriate gasket on the flange connection to maintain airtightness LCAUTION Risk of tape severing The float should be positioned as far from the tank inlet or stirrer as possible so that the waves do not directly impact the float If there is no choice but to position the float near the inlet or stir...

Page 22: ...or securing guide wires and compressing springs 14 Water pump pliers 25 mm or larger For threaded top anchor 15 Wire rope cutter For trimming excess guide wire to the appropriate length 16 Phillips screwdriver For tape clamp and calibrating counter display 〇〇〇 17 Nut driver 5 5 mm For tape clamp and calibrating dial display 8 mm For display cover 〇〇〇〇 18 Pliers For threads that are used to in...

Page 23: ...e outer tank wall and the center of the gauge head is 15 mm 0 59 in longer for LT5 6 high pressure gauge head 32 1 26 R5 5 0 22 25 0 98 170 2 0 7 250 9 84 300 11 81 250 9 84 160 6 3 90 3 54 25 0 98 1 2 4 3 A0041179 21 Gauge supporter for low medium pressure Unit of measurement mm in 1 Pipe supporter not supplied 2 Center line for installation 3 Gauge supporter based on the selected option SS400 t ...

Page 24: ...0 3 54 25 0 98 25 0 98 R9 0 35 1 2 4 3 A0041180 22 Gauge supporter for high pressure Unit of measurement mm in 1 Pipe supporter not supplied 2 Center line for installation 3 Gauge supporter based on the selected option SS400 t 4 0 SUS304 t 4 0 installation bolt 4 Center line of the gauge supporter ...

Page 25: ...lation Guide pipes and pipe supporters are not supplied by Endress Hauser The angle of the guide pipe must be 5 mm 0 17 in or less The maximum distance between two sheave elbows pipe distance must be 2 5 m 8 2 ft 1 1 2B 5 0 2 5 0 2 A0041181 23 Installation of guide pipes Unit of measurement mm in NOTICE Recommended materials for guide pipes Always use a galvanized carbon steel pipe white gas pipe ...

Page 26: ...e so that rain water does not enter LT from the union connection Ensure that threaded connections are properly threaded to avoid a distorted or bent connection and be sure that welded connections are straight with no burrs left on the inside 1 2 3 4 5 6 7 8 6 A0041182 24 Guide pipe connection 1 Bend due to welding 2 Welding 3 Welding burr 4 Burr 5 Bent thread 6 Vertical 7 Ensure that there is no w...

Page 27: ...pe depending on specifications 1 2 220 8 66 440 17 32 3 4 5 A0041183 25 Top anchor pre installation check Unit of measurement mm in 1 Nozzle flange for gauge head 2 Nozzle flange for top anchor 3 Tank top 4 Leveling line 5 Plumb Socket threaded type 5 0 2 220 8 66 220 8 66 440 8 66 440 8 66 1 2 4 3 5 A0041185 26 Installation of anchor hook Unit of measurement mm in 1 1 1 2B socket 2 1B socket 3 Ta...

Page 28: ... 33 m 017860 5305 F 60 ft 134 50 ft 69 89 ft 65 61 ft Contact Endress Hauser H 100 ft 216 52 ft 108 26 ft 108 26 ft Contact Endress Hauser 2 Measuring tape SUS316 tank top installation 060 measurement range Length total length Perforated tape measurement length Non perforated tape Spare parts 1 2 5 m 7 15 m 7 m 0 15 m 017860 5306 2 5 m 7 15 m 7 m 0 15 m 017860 5306 3 10 m 12 15 m 12 m 0 15 m 01786...

Page 29: ... 20 m 46 m 21 7 m 0 3 m 24 m 017860 0011 6 30 m 66 m 31 7 m 0 3 m 34 m 017860 0013 F 60 ft 147 63 ft 67 91 ft 67 91 ft 78 74 ft Contact Endress Hauser H 100 ft 219 80 ft 107 28 ft 67 91 ft 111 54 ft Contact Endress Hauser 5 Measuring tape SUS316 PFA coating SUS316 wire seal pot CRT 060 measurement range Length total length Perforated tape measurement length Non perforated tape Wire Spare parts 1 2...

Page 30: ...example option 1 for specification 070 and option 5 for specification 060 1 Perforated tape 2 Non perforated tape wire In the above diagram the maximum measurement distance is 22 mmand the maximum clearance is 23 m Because of this the total length of the measuring tape is 45 m ...

Page 31: ...ng V 6502 Stainless tank welding type Top anchor Aluminum flange threaded type Stainless flange welding type Spring holder packing LT5 4 LT5 6 Gauge head Rear cover Rear packing PTFE Check handle part Gland packing PTFE CR Internal magnet cover O ring PTFE External magnet cover O ring NBR when selecting copper free type the material of o ring is CR Coupling O ring PTFE Gate valve Shaft Shaft packi...

Page 32: ...ed with the main body cover magnet cover check shaft with no hoisting plug Stainless steel measuring tape and wire excluding PFA coated wire Stainless steel float Stainless steel or iron high pressure top anchor main body cover flange Stainless steel guide wire excluding PFA coated wire Stainless steel anchor hook Iron high pressure sheave elbow main body the flange is the same as it is integrated...

Page 33: ...0 11 81 109 4 29 440 17 32 Ø400 15 74 1200 47 24 220 8 66 A 1 2 3 4 5 6 7 8 9 10 11 12 13 A0041196 28 Installation on a cone roof tank CRT Unit of measurement mm in A Anchor hook 1 Top anchor 2 Measuring tape 3 Float 4 Guide wires 5 Nut 6 Welded part welded to the tank 7 Anchor hook 8 Guide wires 9 Bolt 10 Washer 11 90 sheave elbow 12 Gauge supporter 13 Gauge head ...

Page 34: ...ng range 3 10 m 070 Measuring tape 1 Measuring tape CRT 080 Float B D 400 mm SUS316 tape connection 5 0 kg 0 65 density 1 05 with ring 090 Top anchor 11 2x R1 aluminum ADC6 thread JIS B0203 2 100 Guide wires A Diameter 3 mm single wire x 2 110 Anchor hook installation bolt 1 Iron SUS316 120 90 sheave elbow 112 2x Rp1 1 2 aluminum ADC6 thread JIS B0203 130 135 sheave elbow 000 None 140 Seal pot 0 N...

Page 35: ... 417 16 42 60 2 36 170 6 69 A 5 6 7 8 9 10 1200 47 24 440 17 32 1 2 3 4 A0041197 29 Installation for underground tank unit Unit of measurement mm in A Anchor hook 1 Top anchor 2 Measuring tape 3 Float 4 Guide wires 5 Nut 6 Welded part welded to the tank 7 Anchor hook 8 Guide wires 9 Bolt 10 Washer ...

Page 36: ...stallation dial display acrylic 050 Crank unit 0 None 060 Measuring range 2 5 m 070 Measuring tape 2 Measuring tape tank top installation 080 Float B D 400 mm SUS316 tape connection 5 0 kg 0 65 density 1 05 with ring 090 Top anchor 11 2x R1 aluminum ADC6 thread JIS B0203 2 100 Guide wires A Diameter 3 mm single wire x 2 110 Anchor hook installation bolt 1 Iron SUS316 120 90 sheave elbow 000 None 1...

Page 37: ...109 4 29 Ø400 15 74 1200 47 24 1200 472 4 1 2 3 4 11 12 13 14 A 5 6 7 8 9 10 A0041198 30 Installation of seal pot for CRT Unit of measurement mm in A Anchor hook 1 Top anchor 2 Measuring tape 3 Float 4 Guide wires 5 Nut 6 Welded part welded to the tank 7 Anchor hook 8 Guide wires 9 Bolt 10 Washer 11 Seal pot 12 90 sheave elbow 13 Gauge supporter 14 Gauge head ...

Page 38: ...ing tape 3 Measuring tape seal pot BT 080 Float B D 400 mm SUS316 tape connection 5 0 kg 0 65 density 1 05 with ring 090 Top anchor 1B 2x10K 40A RF SUS316 flange JIS B2220 2 100 Guide wires A Diameter 3 mm single wire x 2 110 Anchor hook installation bolt 2 SUS316 SUS316 120 90 sheave elbow 1A1 1x 10K 40A RF aluminum ADC6 AC4A flange JIS B2220 1 130 135 sheave elbow 000 None 140 Seal pot F 10K 40A...

Page 39: ...ip B Anchor hook details C Triangle bracket for measuring wire 1 Top anchor 2 Measuring wire 3 Float 4 Teflon tube 5 Guide wire PFA coated wire 6 Wire protection stand not supplied 7 Anchor hook 8 90 sheave elbow 9 Seal pot 10 Measuring tape 11 Gauge supporter 12 Gauge head Coil the enclosed teflon tube around the measuring wire 10 to 15 times Coat the anchor hook if necessary Adjust contact point...

Page 40: ...easuring tape PFA coated wire seal pot CRT 080 Float H D 400 mm SUS316 tape connection 5 0 kg 0 65 density 1 05 with ring 090 Top anchor 1N 2x10K 40A RF PVC flange JIS B2220 2 100 Guide wires C From diameter 4 6 mm PFA coated wire x 1 1 110 Anchor hook installation bolt 4 SUS316 PVC 2 120 90 sheave elbow 1A1 1x 10K 40A RF aluminum ADC6 AC4A flange JIS B2220 1 130 135 sheave elbow 000 None 140 Seal...

Page 41: ... 5 6 7 4 950 37 4 2000 3000 78 74 118 11 300 11 81 300 11 81 200 7 87 Ø140 5 51 1200 47 24 100 3 94 A0041200 32 Installation on a compact cone roof tank Unit of measurement mm in 1 Ventilation hole 2 Measuring wire 3 Guide pipe stillwell 4 Float 5 90 sheave elbow 6 Gauge supporter 7 Gauge head ...

Page 42: ...50 Crank unit 0 None 060 Measuring range 2 5 m 070 Measuring tape 1 Measuring tape CRT 080 Float L D 140 mm SUS316 tape connection2 4 kg 0 94 density 2 0 without ring 090 Top anchor 00 None 100 Guide wires 0 None 110 Anchor hook installation bolt 0 None 120 90 sheave elbow 112 2x Rp1 1 2 aluminum ADC6 thread JIS B0203 2 130 135 sheave elbow 000 None 140 Seal pot 0 None 150 Gate valve 0 None 620 En...

Page 43: ... guide pipe method 60 2 36 170 6 69 1200 47 24 200 7 87 Ø140 5 51 100 3 94 1 2 3 5 6 4 A0041201 33 Tank top installation unit Unit of measurement mm in 1 Gauge head 2 Gauge supporter 3 Ventilation hole 4 Triangle bracket for measuring wire 5 Guide pipe stillwell 6 Float ...

Page 44: ...ial display acrylic 050 Crank unit 0 None 060 Measuring range 2 5 m 070 Measuring tape 2 Measuring tape tank top installation 080 Float L D 140 mm SUS316 tape connection2 4 kg 0 94 density 2 0 without ring 090 Top anchor 00 None 100 Guide wires 0 None 110 Anchor hook installation bolt 0 None 120 90 sheave elbow 000 None 130 135 sheave elbow 000 None 140 Seal pot 0 None 150 Gate valve 0 None 620 En...

Page 45: ...1200 47 24 250 9 84 1 2 4 5 A 52 2 05 16 0 63 5 0 2 Ø20 0 79 Ø6 0 24 A0041202 34 Installing gas holder Unit of measurement mm in A Gas holder wire hook B Triangle bracket for measuring wire 1 Wire guide socket 2 90 sheave elbow 3 Measuring tape 4 Gauge supporter 5 Gauge head ...

Page 46: ...060 Measuring range 3 10 m 070 Measuring tape 4 Measuring tape wire FRT 080 Float 0 None 090 Top anchor 00 None 100 Guide wires 0 None 110 Anchor hook installation bolt 0 None 120 90 sheave elbow 112 2x Rp1 1 2 aluminum ADC6 thread JIS B0203 2 130 135 sheave elbow 000 None 140 Seal pot 0 None 150 Gate valve 0 None 620 Enclosed accessories PA Gauge supporter SS400 low pressure medium pressure gauge...

Page 47: ...40 1 18 1 57 30 40 1 18 1 57 1 2 3 4 6 7 9 10 5 3 Ø11 A0041203 35 Installing on a floating roof tank Unit of measurement mm in A Wire guide metal B Top of the float C Triangle bracket for measuring wire 1 Roof stand 2 Wire guide socket 3 FRT wire guide metal 4 Guide bar φ16 mm 0 63 in 5 Stainless steel wire accessory 6 Pipe end 1B Sch 40 to 80 7 90 sheave elbow 8 Measuring tape 9 Gauge supporter 1...

Page 48: ... Measuring tape 4 Measuring tape wire FRT 080 Float E D 400 mm SUS316 wire connection5 0 kg 0 65 density 1 05 with ring 090 Top anchor 00 None 100 Guide wires 0 None 110 Anchor hook installation bolt 0 None 120 90 sheave elbow 112 2x Rp1 1 2 aluminum ADC6 thread JIS B0203 2 130 135 sheave elbow 000 None 140 Seal pot 0 None 150 Gate valve 0 None 620 Enclosed accessories PA Gauge supporter SS400 low...

Page 49: ...200 47 24 220 8 66 2 3 4 1 12 13 14 11 A 5 6 7 8 9 10 A0041204 36 Installation on a dome roof tank for medium pressure Unit of measurement mm in A Anchor hook 1 Top anchor 2 Measuring tape 3 Float 4 Guide wires 5 Stainless steel wire accessory 6 Nut 7 Anchor hook 8 Guide wires 9 Bolt 10 Washer 11 Gate valve 12 90 sheave elbow 13 Gauge supporter 14 Gauge head ...

Page 50: ... 070 Measuring tape 1 Measuring tape CRT 080 Float R D 400 mm SUS316 wire connection 8 3 kg 0 5 density 0 7 with ring 090 Top anchor 4A 2x10K 40A RF aluminum AC4CT6 flange JIS B2220 2 100 Guide wires A Diameter 3 mm single wire x 2 110 Anchor hook installation bolt 2 SUS316 SUS316 120 90 sheave elbow 4A2 2x 10K 40A RF aluminum ADC6 flange JIS B2220 130 135 sheave elbow 000 None 140 Seal pot 0 None...

Page 51: ... 4 1 12 13 13 14 11 15 A 5 6 7 8 9 10 A0041205 37 Installation on a spherical tank for high pressure Unit of measurement mm in A Anchor hook 1 Top anchor 2 Float 3 Guide wires 4 Measuring tape 5 Nut 6 Welded part welded to the tank 7 Anchor hook 8 Guide wires 9 Bolt 10 Washer 11 Gate valve 12 90 sheave elbow 13 135 14 Gauge supporter 15 Gauge head ...

Page 52: ...g tape 3 Measuring tape seal pot BT 080 Float R D 400 mm SUS316 wire connection 8 3 kg 0 5 density 0 7 with ring 090 Top anchor 6G 2x20K 40A RF iron flange JIS B2220 2 100 Guide wires A Diameter 3 mm single wire x 2 110 Anchor hook installation bolt 2 SUS316 SUS316 120 90 sheave elbow 6G1 1x 20K 40A RF iron flange JIS B2220 1 130 135 sheave elbow 6G2 2x 20K 40A RF iron flange JIS B2220 2 140 Seal ...

Page 53: ... it tightly to the anchor hook using a nut and a bolt 3 Cut and bend the tip of the guide wire so that it does not get caught on the float The tip of the guide wire is connected to b so that it is smaller than the dimension of the anchor hook a Coil the guide wire 1 to 2 times from the inside of the anchor hook and then pass it through a hole and coil it 1 to 2 times on the outside Adjust the numb...

Page 54: ... 54 Endress Hauser 7 Tighten nut 3 and release the spring 20 30 0 79 1 81 1 2 3 A0041207 39 Guide wire installation 2 Unit of measurement mm in 1 Nut 1 2 Nut 2 3 Nut 3 This completes the guide wire installation process ...

Page 55: ...nstalled If the measuring tape must be passed through the 135 sheave elbow ensure safety before installing the measuring tape as the footing is extremely dangerous Inspect the joint between the float and the measuring tape once they are connected as it cannot be fixed once the tank is filled with liquid Installation procedure 1 Extend the measuring tape while folding it back and forth in your hand...

Page 56: ...Secure the end of the measuring tape to the tape drum Rotate the tape drum twice and then pull the measuring tape inside the tank 4 As for the length to the float cut the measuring tape off leaving approx 1 5 m 5 Connect the measuring tape to the float See 57 for detailed connection instructions a 1 5 0 0 5 9 1 A0041209 41 Installation of measuring tape for a measuring tape Unit of measurement mm ...

Page 57: ... twice at the center 4 Insert the joint shaft into the bent measuring tape 5 Tighten the tape clamp with a bolt and nut 6 Flatten the protruding screw thread of the bolt with pliers to lock the nut This completes the process of connecting the measuring tape and float 1 4 6 7 5 2 3 65 2 56 65 2 56 65 2 56 1 2 A0041211 43 Connecting the measuring tape and the float Unit of measurement mm in 1 Measur...

Page 58: ...gauge head side 5 Check to make sure that the measuring tape is not twisted 6 Close the sheave elbow cover This completes the installation process 2000 3000 78 74 118 11 440 17 32 520 20 47 Ø400 15 74 300 11 81 100 3 94 8 0 31 1200 47 24 250 9 84 A B 700 27 56 PCD 44 Ø70 2 76 Ø10 0 39 8 C 30 40 1 18 1 57 30 40 1 18 1 57 1 2 3 4 6 7 9 10 5 3 Ø11 A0041203 44 Measuring tape installation Unit of measu...

Page 59: ...e gate valve completely then remove the sheave elbow cover and rear cover of the gauge Remove the gland of the gauge head rear cover with the included gland fixing tool Remove the o rings 2 rings 2 Remove the tape guide and the lock screw 3 Insert one end of the measuring tape non perforated side into the tank from the sheave elbow on top of the tank 4 Pass the other end of the tape perforated loo...

Page 60: ...2 45 Gland fixing tool A Before tightening B After tightening 1 O ring 2 Gland 3 Gland fixing tool 1 2 3 4 5 6 7 A0041213 46 LT parts configuration 1 Measuring tape 2 Sprocket 3 Tape drum 4 Tape holding thread 5 Locking screw 6 Tape guide 7 Dust protector ...

Page 61: ...ndress Hauser 61 1 2 A0041214 47 Measuring tape installation 1 Guide wires 2 Measuring tape Once the measuring tape is connected to the gauge head cut off the rest leaving approximately 1 5 m 4 92 ft from the float joint ...

Page 62: ...so that both ends are approximately 2 mm 0 08 in from the surface of the measuring tape as shown below The measuring tape may come off the sprocket pins due to sudden movement caused by waves of the liquid The tape guide prevents this 3 If a dust protector is installed loosen the installation threads 2 threads and make adjustments so that the measuring tape does not interfere with the dust proof s...

Page 63: ...conster drum large with the bolts and nuts 2 Rotate the conster drum large in the direction indicated by the arrow 3 When securing the conster drum rotate the tape drum counterclockwise to tauten the tape before securing the conster drum 4 When the tank is empty coil the tape twice around the conster drum small and secure it to the tape drum with locking screws If the tank contains liquid measure ...

Page 64: ...the float up and down manually to confirm that the dial or counter display changes accordingly 230 9 06 950 37 4 440 17 32 220 8 66 220 8 66 250 9 84 2000 3000 78 74 118 11 300 11 81 109 4 29 Ø400 15 74 1200 47 24 1200 472 4 1 2 3 4 11 12 13 14 A 5 6 7 8 9 10 A0041198 51 LT with seal pot Unit of measurement mm in A Anchor hook 1 Top anchor 2 Measuring tape 3 Float 4 Guide wires 5 Nut 6 Welded part...

Page 65: ...the 90 sheave elbow cover This completes the liquid sealant filling process Approximately 2 l L of liquid sealant is included with the kit When injecting the proper amount of liquid sealant a small amount will remain in the bottle Do not dispose the remaining liquid sealant as it is used as needed once the tank begins to operate 1 2 A B C A0041220 53 Amount of liquid sealant A Scale for liquid sea...

Page 66: ...d 1 Place a container that is 2 l L or larger beneath the drain 2 After confirming the safety of the vicinity around the tank remove the seal pot drain plug 3 Drain the liquid sealant from the seal pot 4 Open the 90 sheave elbow cover 1 2 3 A 4 5 A0041230 54 Draining liquid sealant A To the LT5 side 1 sheave elbow 2 90 sheave elbow 3 90 sheave elbow cover 3 Drain plug 5 Container that is 2 l or la...

Page 67: ...LT5 Installation Endress Hauser 67 1 2 A B C A0041220 55 Filling the seal pot with liquid sealant A Scale for liquid sealant B To the LT5 side C To the tank 1 Liquid sealant 2 90 sheave elbow cover ...

Page 68: ...nterval scale so that it corresponds to the last two digits of the surface level 2 Align the long needle with the outer scale Since each interval of the outer scale corresponds to 100 mm 3 94 in of the surface level it is adjusted by visual estimate according to the last two digits of the surface level 3 After aligning the needles tighten the cap nut firmly The 10000 mm 393 7 in 1000 mm 39 37 in a...

Page 69: ...ointer is indicating a range of between 97 and 03 on the scale plate the counter drum will not change instantly As it changes gradually in unison with the rotation of the scale plate the counter will display half values Thus in order to rule out incorrect readings the counter window and parts of the scale plate are color coded This completes the counter display process m 90 95 00 05 10 1 2 3 4 6 7...

Page 70: ...pty tank Determine Lf from the equation below when the tank is empty and set the indicator to that value When surface level Lf is reached the float will begin to float the gauge will begin to run and it will continue to indicate the accurate surface level see graphs 1 and 2 1 Float draft when the tank is empty h 2 Lf S V 2 W T ρ 80 11 mm Float diameter D 400 mm 15 75 in Float height h 200 mm 7 87 ...

Page 71: ...ured value for water determine LB using the equation below If LB is a positive value it is added to the determined indicator value and if it is a negative value it is subtracted from the determined indicator value to determine the final indicator value Equation For LT5 1 5000 g 11 02 lb with a φ400 mm 15 75 in float 1 Float draft when the tank is empty h 2 Lf S V 2 W T ρ 42 88 mm Float diameter D ...

Page 72: ... the equation according to the float 1 Float draft when the tank is empty h 2 Lf S V 2 W T ρ 72 03mm A0041239 Float diameter D 140 mm 5 51 in Float height h 200 mm 7 87 in Float mass W 2100 g 4 63 lb Float volume V 2661 2 cm3 Waterline cross section S 153 94 cm2 Tape tension T 1200 g 2 65 lb Density limits ρ 1 g 0 002 lb cm3 assume that empty water 2 Correction of indicated value with simulated ac...

Page 73: ...Equation For LT5 4 LT5 6 8300 g 18 30 lb with a φ400 mm 15 75 in float 1 Float draft when the tank is empty h 2 Lf S V 2 W T ρ 80 11mm Float diameter D 400 mm 15 75 in Float height h 200 mm 7 87 in Float mass W 8300 g 18 30 lb Float volume V 19200 cm3 Waterline cross section S 1256 64 cm2 Tape tension T 1200 g 2 65 lb Density limits ρ 1 g 0 002 lb cm3 assume that empty water 2 Correction of indica...

Page 74: ...mits ρ 0 5 g 0 001 lb cm3 with actual liquid Ø400 15 74 Lf Ø400 15 74 1 1 2 L 0 B L 0 B 80 90 100 110 120 130 20 10 30 40 50 60 0 5 0 6 0 7 0 8 0 9 8 3 kg Lf 8 3 kg LB Lf mm LB mm 200 7 87 A0041243 61 Graph of LT5 4 LT5 6 φ400 mm 15 75 in float Density limit ρ g cm3 Measurement unit mm in 1 Draft surface at density ρ 2 Water draft surface at density 1 0 g 0 002 lb cm3 ...

Page 75: ... For the water filling test partially open the water feed valve and slowly fill the tank until a depth of approximately 500 to 1000 mm 19 69 to 39 37 in is reached Large amounts of water may damage the measuring tape If the float is in close proximity to the inlet install a wave guard so that the float is not affected directly If the test for LT airtightness is performed while the gate valve is op...

Page 76: ...of the check handle 3 Check the LT indicator This completes the check handle operation process 1 2 1 A0041244 62 Check handle 1 Check handle 7 2 Using a hoist handle 7 2 1 Hoist handle for LT5 1 The hoist handle is used to hoist up the float when you are not measuring the surface level This helps to add life to LT when utilized for tanks with a stirrer and or for tanks containing corrosive liquid ...

Page 77: ...ompletes the hoisting process Lowering procedure 1 Insert the handle into the knob and secure it as shown in the diagram Turn it counterclockwise slightly and then loosen the wing bolt Return the stopper to its place and secure it with the wing bolt 2 Rotate the handle clockwise The float will be lowered Once the float reaches the liquid surface the force on the handle will decrease suddenly and t...

Page 78: ...n doing so the tape drum gear and the hoist shaft gear will begin to mesh at approximately 90 3 Once the handle has been rotated to position B rotate the handle counterclockwise to hoist the float 4 After hoisting the float do not let go of the handle be sure to secure it with the lock chain first see C Remove the lock chain when lowering the float 5 Rotate the handle clockwise to lower the float ...

Page 79: ... the gap between the sprocket and tape guide Twisted measuring tape Open the sheave elbow cover pull out the measuring tape and inspect it The measuring tape can be repaired depending on its condition The indicated value and the measured value are different There is an error in the gauge head Inspect the items mentioned above and implement countermeasures There is no problem with the gauge head Pr...

Page 80: ...rial m3 10 or less 10 to 50 50 to 5000 5000 or more 10 8 or higher Acetic acid Ethanol Ethyl chloride Methanol Light oil 1 minute or longer 1 minute or longer 1 minute or longer 1 minute or longer 10 12 to 10 8 Vinyl acetate Toluene Benzene Gasoline 2 minutes or longer 3 minutes or longer 10 minutes or longer 30 minutes or longer 10 14 to 10 12 Methyl cyclohexane 4 minutes or longer 5 minutes or l...

Page 81: ...nspect with the drive check If the indicated values are not consistent clean the conster If this does not resolve the problem replace the conster Condensation and fogging of the indicator window Check to ensure that the indicator cover is tightened firmly and that there is no foreign body lodged in the packing surface Inspection of the check handle Confirm that the check handle returns to its orig...

Page 82: ...ttached 5 Remove the coupling on the LT side Remove the gland using the included gland fixing tool and remove the two o rings 6 Inspect the other components Replace o rings and other worn items as necessary 7 Replace the o rings and then tighten the gland Reassemble the unit by following the above instructions in reverse order 8 Open the gate valve gradually Opening the gate valve abruptly will re...

Page 83: ...andle and remove the check handle 3 Remove the gland clamp with a No 46 spanner or a monkey wrench 4 Remove the gland spring collar and seal metal 5 Pull out the check shaft towards the tape drum 6 Once the part has been replaced reassemble by following the above instructions in reverse order 7 This completes the replacement process 1 2 3 4 5 6 7 8 9 10 11 12 13 14 A0041248 66 Names of drive check...

Page 84: ...Maintenance LT5 84 Endress Hauser 1 2 A0041249 67 Drive check unit 1 Gland clamp 2 Seal metal ...

Page 85: ...ring a spare part note the device designation on the nameplate Only replace parts with identical parts Carry out repairs according to the instructions On completion of repairs perform the specified routine test on the device Only the Endress Hauser Service Department may convert a certified device into a different certified variant Document all repair work and conversions 10 2 Spare parts Some int...

Page 86: ...low certain procedures when handling returned products that have come into contact with measured materials To ensure safe swift and professional device returns refer to the procedure and conditions for returning devices provided on the Endress Hauser website at http www endress com support return material 10 5 Disposal Observe the following notes during disposal Observe valid federal national regu...

Page 87: ...ached to the gauge head and enables the float to be raised or lowered manually This prevents the float and measuring tape from becoming damaged in areas with poor measuring conditions such as a tank with a stirrer by hoisting it up before the measurements are taken A0041258 68 Hoist handle ...

Page 88: ...aximum sealing pressure 400 mm H2O Shape U shaped Connection specification Threaded type flange type Material AC4A SGP galvanized pipe SUS316 PVC A B 98 75 3 86 2 95 280 11 02 80 3 15 80 3 15 120 4 72 150 5 90 770 30 31 330 12 99 180 7 09 1500 59 06 620 24 4 A0041259 69 Seal pot Unit of measurement mm in A Seal pot SUS316 SGP AC4A B Seal pot PVC The 75 mm 2 95 in for seal pot 98 75 is the dimensio...

Page 89: ...outer tank wall and the center of the gauge head is 15 mm 0 59 in longer for LT5 6 high pressure gauge head 32 1 26 R5 5 0 22 25 0 98 170 2 0 7 250 9 84 300 11 81 250 9 84 160 6 3 90 3 54 25 0 98 1 2 4 3 A0041179 70 Gauge supporter for low medium pressure Unit of measurement mm in 1 Pipe supporter not supplied 2 Center line for installation 3 Gauge supporter based on the selected option SS400 t 4 ...

Page 90: ... 3 54 25 0 98 25 0 98 R9 0 35 1 2 4 3 A0041180 71 Gauge supporter for high pressure Unit of measurement mm in 1 Pipe supporter not supplied 2 Center line for installation 3 Gauge supporter based on the selected option SS400 t 4 0 SUS304 t 4 0 installation bolt 4 Center line of the gauge supporter ...

Page 91: ...llation Guide pipes and pipe supporters are not supplied by Endress Hauser The angle of the guide pipe must be 5 mm 0 17 in or less The maximum distance between two sheave elbows pipe distance must be 2 5 m 8 2 ft 1 1 2B 5 0 2 5 0 2 A0041181 72 Installation of guide pipes Unit of measurement mm in NOTICE Recommended materials for guide pipes Always use a galvanized carbon steel pipe white gas pipe...

Page 92: ...e float Supplied as a standard product for LT5 4 and LT5 6 ND Dust protector Prevents dust caused by iron pipe work from entering the gears inside the gauge head Supplied as a standard product for LT5 4 and LT5 6 NE Conster hoisting drum aluminum This is an aluminum conster drum option It is effective for applications in which bakelite conster drums cannot be used Aluminum conster drums are standa...

Page 93: ...the bottom of a tank such as when the tank is filled with liquid Material SS400 SUS316 Mass Approximately 23 kg 50 71 lb When an anchor weight is required order it TSP special order 32 1 26 200 7 87 Ø 2 13 15 0 59 30 1 18 40 1 57 70 2 76 500 19 7 440 17 32 40 1 57 1 2 A0041260 73 Anchor weight Unit of measurement mm in 1 Anchor hook 2 Anchor weight ...

Page 94: ... 0 39 1 38 1 5 Ø5 0 2 Rc1 1 2 B 3 Ø11 A0041261 74 Wire guide metal and wire guide socket Unit of measurement mm in A Wire guide metal B Wire guide socket 1 Roof stand 1 A 52 2 05 16 0 63 5 0 2 Ø20 0 79 Ø6 0 24 A0041262 75 Wire hook wire guide socket Unit of measurement mm in A Wire hook 1 Wire guide socket ...

Page 95: ...s Basic 7 Operational safety 8 Measured materials 7 Declaration of Conformity 8 Troubleshooting 79 Return 86 Requirements for personnel 7 C CE mark 8 D Designated use 7 Disposal 86 E Endress Hauser services Repair 85 P Product safety 8 R Repair concept 85 W Workplace safety 7 ...

Page 96: ...www addresses endress com 71470634 71470634 ...

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