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Summary of Contents for Langmatz EK880
- Page 1 Installation Instructions EK880 | EK890 underground distribution system with horizontal swivelling equipment compartment...
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Page 2: Table Of Contents
Contents English General information Safety information 2.1 Electrical installation kit 2.2 General Illustration of the “snorkel effect” principle Product description 4.1 Technical data 4.2 Package includes 4.3 Required tools Included Not included Foundation pit base 5.1 General 5.2 Preparing the foundation pit base Drainage Possible situations for the foundation pit base Installation... - Page 3 Maintenance 9.1 General measures 10 Accessories 11 Declaration of Conformity 12 Material defects 13 Quality management 14 Disclaimer/Warranty 15 Contact...
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Page 4: General Information
Before opening, ensure that the underground distribution system is not flooded. Electrical installation kit All electrical components must meet the applicable standards when installing them. Protect electrical components from the harmful effects of water. Langmatz recommends the use of Langmatz diving-bell cabinets. -
Page 5: General
General Information signs attached to the underground distribution system must be observed. Information signs must be kept clean. Missing or illegible signs must be replaced. Regular maintenance and cleaning are essential for safe operation and must be performed by trained professionals (see also section 9). Note when folding down! •... -
Page 6: Illustration Of The "Snorkel Effect" Principle
3 Illustration of the “snorkel effect” principle Danger! Ensure that supply and discharge cables/lines (4) are tightly sealed to prevent a “snorkel effect” in rising water. 1 Ground level 2 Underground distribution system 3 Tray/flood-proof cover Fig. 1 The seal must be gas-tight. •... -
Page 7: Product Description
4 Product description The EK880 | EK890 underground distribution system is mainly designed for low-voltage energy distribution and for accommodating electronic components. The flood-proof cover of the underground distribution system is lowered into the ground when not in use and can be conveniently extended using a gas-pressure spring if needed. -
Page 8: Package Includes
Package includes Item 1 Cover with door Item 2 Triangular cover Item 3 Gas springs Item 4 Manhole body Fig. 3 Required tools Included 1 EJ triangular cover key 700847800 2 Operating tool / lifting tool 700849300 Fig. 4 Not included 3 Hammer 4 Socket wrench 5 AF 8 hex key... -
Page 9: Foundation Pit Base
5 Foundation pit base General • The underground distribution system must be installed by a qualified expert company. • The soil conditions must be assessed before preparing a load-bearing foundation pit base. The manhole must be installed in “non-cohesive” to “cohesive” mixed soils. Groups G1 to G3 soil types as per ATV-DVWK-A 127 (German Association for Water, Waste Water and Waste), and/or soil groups GE, GW, GI, SE, SW, SI, GU, GT, SU, ST, GU*, GT*, SU*, ST*, UL, and UM as per DIN 18196. -
Page 10: Possible Situations For The Foundation Pit Base
Possible situations for the foundation pit base Situation A For pedestrian areas: • Use an underfill/bottom layer with a minimum thickness of 300 mm. • The underfill/bottom layer must consist of “non-cohesive” to “cohesive” mixed soil (group G1 soil type as per ATV-DVWK- A127). -
Page 11: Installation
6 Installation Preparing the underfloor distribution system • Establish the required number and position of cable ducts. • Knock out the relevant predetermined breaking points (2) with a hammer. • Remove any burrs with a suitable tool. • Using a suitable tool, open up the required pipe diameter in the predetermined breaking points for the stepped grommet supplied (1). -
Page 12: Grounding
Grounding • Grounding (1) on the outside of the underground distribution system. Fig. 12 Closing the triangular covers • Close the triangular covers in reverse order (overlap-underlap). • To do so, slot the hook (1) into the lifting opening (2). •... -
Page 13: Fitting The Protective Pipe Seals
Fitting the protective pipe seals To prevent the manhole from silting up, we recommend using a protective pipe seal (1) when laying grounding cables. Fig. 15 7 Constructing the surrounding surface Backfilling the foundation pit up to the lower edge of the top layer •... -
Page 14: Removing The Triangular Covers
Removing the triangular covers • Open the triangular covers (see section 6.3). • Lift all triangular covers individually out of their hinges and set aside. Fig. 17 Lifting the cast-iron frame • Loosen the 4x M12 hex screws (2). • Lift the cast-iron frame (1). Warning: •... -
Page 15: Adjusting The Height
Adjusting the height • Turn the M16x70 threaded spindles (1) at all four positions to lift the cast-iron frame (2) and adjust it to its intended height. Note: Adjustment range approx. 50 mm. Fig. 20 • Remove the cast-iron frame again. Fig. -
Page 16: Filling The Height-Adjustment Gap
Filling the height-adjustment gap • A dry or casting mortar is applied to the plastic top frame (1) to backfill the height- adjustment gap. A formed shuttering wall on the top frame prevents the dry or casting mortar from seeping inwards. •... -
Page 17: Inserting The Triangular Covers
Inserting the triangular covers • Refit the triangular covers (1) individually into their hinges. Note: The triangular covers need to be inserted in their original positions! • Close the triangular covers (see section 6.5). Note: Only exert loading on the manhole once the dry/casting mortar used has reached the strength specified by the manufacturer! Fig. -
Page 18: Operation
8 Operation Swivelling out the cover • Unlock the cover (1). • Slide the locking rod towards the middle of the cover. Fig. 26 • Lift up the cover (1) with the help of the gas springs (2) until the lock stop audibly engages on the lower edge of the cover. -
Page 19: Opening The Cover
Opening the cover • Open the turning lever (1). • Open the door (2). Fig. 29 Swivelling in the cover • Close the door. • Close the turning lever. • Open the two front covers. • Pull the locking bolt (1), unlock it, and fold down the cover. -
Page 20: Maintenance
9 Maintenance General measures Measures Intervals Remarks Clean the interior of the After every use By trained professionals underground distribution system Check that the fastening Annually screws fit securely Regularly operate the gas Open and close the swivel cover Every six months springs to lubricate the seals. -
Page 21: Declaration Of Conformity
11 Declaration of Conformity The product meets the requirements of the following applicable harmonisation directives: 2006/42/EC Machinery Directive Compliance with the relevant harmonisation legislation has been demonstrated through the application of the following harmonised standards: No applicable harmonised standards exist. Compliance with the harmonisation legislation has been demonstrated through the application of the following other standards and technical specifications: DIN EN 124-1: 2015-09 (not harmonised) -
Page 22: Material Defects
(see section 15 Contact). 13 Quality management The Langmatz GmbH quality management system is certified to DIN EN ISO 9001. 14 Disclaimer/Warranty The information in this technical document is presented appropriately and correctly in compliance with the technical regulations, and to the best of our knowledge. - Page 23 79 100 0198 / 001 │ As of 19/03/2025 │ Translation of the Original Installation Instructions...
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