Related Manuals for Velatia ORMAZABAL basic pfu Series
Summary of Contents for Velatia ORMAZABAL basic pfu Series
- Page 1 pfu basic range Prefabricated concrete enclosure, ground-level walk-in type General instructions IG-032-EN, version 05, 18/06/2019...
- Page 2 CAUTION! When medium-voltage equipment is operating, certain components are live, other parts may be in movement and some may reach high temperatures. Therefore, the use of this equipment poses electrical, mechanical and thermal risks. In order to ensure an acceptable level of protection for people and property, and in compliance with applicable environmental recommendations, Ormazabal designs and manufactures its products according to the principle of integrated safety, based on the following criteria: •...
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Page 3: Table Of Contents
General instructions Contents pfu basic range: Prefabricated concrete enclosure, ground-level walk-in type Contents 1. Description and main characteristics .......4 2. Standards applied ............5 3. Main components ............6 3.1. Indoor switchgear ......6 3.2. -
Page 4: Description And Main Characteristics
General instructions Description and main characteristics pfu basic range: Prefabricated concrete enclosure, ground-level walk-in type Description and main characteristics Ormazabal's pfu prefabricated buildings are ground-level, The buildings consist of a monoblock enclosure and a walk-in type concrete enclosures with Ormazabal medium- removable roof, both prefabricated in reinforced concrete. -
Page 5: Standards Applied
General instructions Standards applied pfu basic range: Prefabricated concrete enclosure, ground-level walk-in type Standards applied The pfu meets the design requirements set out in Standard IEC 62271-202 (high-voltage/low-voltage prefabricated transformer substations) and applicable regulations. For other standards, speci cations or regulations, please contact Ormazabal. -
Page 6: Main Components
General instructions Main components pfu basic range: Prefabricated concrete enclosure, ground-level walk-in type Main components The solutions based on Ormazabal's pfu buildings have two main elements: • Indoor switchgear. • Prefabricated concrete enclosure. 3.1. Indoor switchgear The switchgear is mounted in the enclosure, anchored to •... -
Page 7: Normal Service Conditions
General instructions Normal service conditions pfu basic range: Prefabricated concrete enclosure, ground-level walk-in type Normal service conditions The pfu is designed for use in normal service conditions in Installation Outdoor accordance with Standard IEC 62271-1. Solar radiation 1000 W/m Pollution due to corrosive and/or ammable In the building, it is understood that normal indoor service Level II (medium) gases... -
Page 8: Ratings
General instructions Ratings pfu basic range: Prefabricated concrete enclosure, ground-level walk-in type Ratings 5.1. Mechanical characteristics The dimensions and weights of the pfu models are shown below: For further information, please ask Ormazabal. pfu-3 pfu-4 pfu-5 pfu-7 Length [mm] 3280 4460 6080 8080... -
Page 9: Handling
General instructions Handling pfu basic range: Prefabricated concrete enclosure, ground-level walk-in type Handling 6.1. Handling the body The pfu has DEHA-type round-head anchors to ensure Transformer weight limitation for handling the correct handling using lifting beams, slings and suitable pfu-7: The maximum weight of the transformers is hooks for optimally balanced lifting. - Page 10 General instructions Handling pfu basic range: Prefabricated concrete enclosure, ground-level walk-in type Two DEHA-type anchors are set out on each long side of the body. The body and roof can be handled together. DEHA-type anchors Figure 6.3. Layout of DEHA anchors Do this by proceeding as follows: 1.
- Page 11 General instructions Handling pfu basic range: Prefabricated concrete enclosure, ground-level walk-in type b. In the case of pfu-7, join the tools according to Figure 6.5, using the elongation rings. In the case of con gurations b, c, d and e (transformer at one end) of Figure 6.2, elongation rings must be placed on the slings on the side opposite the transformer's location.
- Page 12 General instructions Handling pfu basic range: Prefabricated concrete enclosure, ground-level walk-in type 3. Couple the four hooks to the body's DEHA-type anchors, as shown in Figure 6.6. Figure 6.6. Correct coupling method using DEHA hooks 4. Lift and position the pfu body using the crane. Figure 6.7.
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Page 13: Handling The Roof
General instructions Handling pfu basic range: Prefabricated concrete enclosure, ground-level walk-in type 6.2. Handling the roof Where necessary, the pfu roof can be removed using the Before handling the roof, disconnect the interior cable threaded inserts set out on the top surface. that connects the pfu's roof and body. - Page 14 General instructions Handling pfu basic range: Prefabricated concrete enclosure, ground-level walk-in type Proceed as follows to handle the roof: 1. Remove and set aside the four plugs that cover the threaded inserts in the roof, using a at-head screw- driver. 2.
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Page 15: Pfu-5 Roof
General instructions Handling pfu basic range: Prefabricated concrete enclosure, ground-level walk-in type 6.2.2. pfu-5 roof The weight of the pfu-5's roof is as follows: Model Weight [kg] Standard roof 4000 pfu-5 Raised roof 4600 Table 6.3. pfu-5 roof weight The following tools and equipment are required to correctly handle the roof: 35 T Lifting beam Chains/slings (minimum length 3 m, maximum length 3.5 m) -
Page 16: Pfu-7 Roof
General instructions Handling pfu basic range: Prefabricated concrete enclosure, ground-level walk-in type 4. Hook the chain hooks on the eye bolts. 5. Lift the pfu roof using the crane. When removing the roof, support it on wooden boards. The boards can rest on horizontal ground or the bed of a truck. - Page 17 General instructions Handling pfu basic range: Prefabricated concrete enclosure, ground-level walk-in type 3. Join the tools according to Figure 6.15. Hook the lifting beam on the crane hook. 35 T Lifting beam Chains/slings Figure 6.15. Lifting tools set 4. Hook the chain/sling hooks on the eye bolts. 5.
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Page 18: Transport
General instructions Transport pfu basic range: Prefabricated concrete enclosure, ground-level walk-in type Transport 7.1. Road transport Loading is carried out at Ormazabal's facilities using its Transport should be planned well in advance, own equipment. envisaging all authorisations and any restrictions on weight and length, in accordance with legislation in Using an articulated truck with platform height of less than the countries the building will travel through from the... -
Page 19: Installation
General instructions Installation pfu basic range: Prefabricated concrete enclosure, ground-level walk-in type Installation When installing the pfu at its location, it is essential to follow The site must be visited in advance to check if vehicles can current legislation on electrical installations in networks, have access and if there is su cient space for the unloading including both local regulations and the speci cations and assembly operations, taking into account the distances... -
Page 20: Planning
General instructions Installation pfu basic range: Prefabricated concrete enclosure, ground-level walk-in type 8.3. Planning On the location sketch or drawing, mark out the spaces available for the crane and the transport truck. Maximum length of the crane elevation arm Figure 8.1. O oad operation Distance "D"... -
Page 21: Preparing The Ground
General instructions Installation pfu basic range: Prefabricated concrete enclosure, ground-level walk-in type 8.4. Preparing the ground 8.4.1. Excavation drawings The excavation levels indicated below must be respected. There are two types of ground: The ground must support the weight of the pfu model, 1. -
Page 22: Safety Recommendations
General instructions Installation pfu basic range: Prefabricated concrete enclosure, ground-level walk-in type 8.4.2. Safety recommendations All actions and procedures must be carried out in accordance • In the case of rain and puddles, carefully inspect the with the General Safety Plan. There must be a person excavation with quali ed technicians before resuming designated as the Health and Safety O cial throughout the the work. -
Page 23: Levelling Process
General instructions Installation pfu basic range: Prefabricated concrete enclosure, ground-level walk-in type 8.4.3. Levelling process Normal conditions Incorrect levelling may cause the body of the pfu to break. Position the reference level boards in accordance with the levels shown in the drawings attached. The spacing At least the following tools and equipment must be used to between the reference rules must be at least 2800 mm. - Page 24 General instructions Installation pfu basic range: Prefabricated concrete enclosure, ground-level walk-in type Sloping ground Ground with a high water table Carry out the excavation so the base platform is in a hard Proceed as follows when the water table level is high: area.
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Page 25: Sealing Cable Accesses
General instructions Installation pfu basic range: Prefabricated concrete enclosure, ground-level walk-in type Ground at risk of flooding In these cases, the building's bottom plate should be raised to 100 mm above the predicted ood level, and the foundations levelled as in the Normal Conditions section. Dimensions in millimetres. -
Page 26: Earth Connection
General instructions Installation pfu basic range: Prefabricated concrete enclosure, ground-level walk-in type 8.5. Earth connection The pfu is tted with two internal earthing circuits. These The installer or nal user must provide suitable safety earthing circuits connect to the exterior earthing networks. measures in order to avoid dangerous touch and step voltage. -
Page 27: Exterior Earthing Circuit
General instructions Installation pfu basic range: Prefabricated concrete enclosure, ground-level walk-in type 8.5.3. Exterior earthing circuit The installer or end user must provide appropriate safety The recommended tightening torque for electrical measures to prevent dangerous step and contact voltages, connections in the earthing network is shown in the in compliance with local safety regulations for electrical following table: installations. -
Page 28: Cable Connections
General instructions Installation pfu basic range: Prefabricated concrete enclosure, ground-level walk-in type 8.6. Cable connections The pfu has pre-punched holes in the bottom of the body for Once the connections have been made, the feed-through the cable access. The blanked holes are 200 mm in diameter. holes should be sealed using polyurethane sealant putty in According to the needs of each case, use a hammer to make order to guarantee appropriate water tightness. - Page 29 General instructions Installation pfu basic range: Prefabricated concrete enclosure, ground-level walk-in type 2. Loosen the wing nut and the clamp. Set aside both parts. Figure 8.12. Extracting the wing nut and the clamp 3. Open the hole by pushing the cover towards the outside of the building.
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Page 30: Maintenance
General instructions Maintenance pfu basic range: Prefabricated concrete enclosure, ground-level walk-in type Maintenance The pfu does not require speci c maintenance. It may occasionally require lubricating the locks and checking the ventilation grilles. There must not be any obstacles in the grilles. -
Page 31: Environmental Information
General instructions Environmental information pfu basic range: Prefabricated concrete enclosure, ground-level walk-in type 10. Environmental information 10.1. Recyclability Ormazabal's pfu consists essentially of materials which at the end of their life cycle are catalogued as Inert Industrial Waste. In accordance with Ormazabal's commitment to the Environment, endorsed by the ISO 14001 certi cate for its Environmental Management System, inert industrial waste generated at the end of its useful life must be, for the main... - Page 32 Subject to change Prefabricados without prior notice. Uniblok For further information, SESEÑA please contact Spain Ormazabal. www.ormazabal.com...