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Table of Contents
Summary of Contents for WALPOL WDV-A 355 EC
- Page 1 Assembly and operating instructions Roof fan TYPE WDV Version 6.1...
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Page 2: Table Of Contents
Content General information 1.1. Note symbols 2. Important safety instructions 2.1. Personal 2.2. Personal protective equipment 2.3. The 5 safety rules for working in and on electrical installations 3. Warranty 4. Delivery, transport, storage 5. Description 5.1. Roof fans EC motor series WDV-A 5.2. -
Page 3: General Information
1. General information 1.1. Note symbols Danger Caution Immediate danger Hazard with low risk Failure to observe the warning will result directly in Failure to observe the warning may result in death or serious injury. moderate injury. Important Warning Danger with risk of property damage Potential danger Failure to observe the warning may result in Failure to observe the warning may result in death or... -
Page 4: Personal Protective Equipment
Prerequisites are also a fully completed maintenance plan and commissioning report, which are requested by Walpol in the event of a warranty claim. The commissioning report is part of this document, the maintenance plan is to be prepared by the operator, see chapter 13.3 Maintenance 4. -
Page 5: Description
Warning: Suspended loads • During any work in the vicinity of the fan, the protective equipment must be worn, see 2.2 Personal protective equipment, • Never step under suspended load. • Ensure that no one is under a suspended load. Delivery Every fan leaves our factory in perfect electrical and mechanical condition. -
Page 6: Roof Fans With Ac Motor Wdv-A And Wdv-K Series
5.2. Roof fans with AC motor WDV-A and WDV-K series Speed control options: • 400V IE2/3 motors with frequency inverter with built-in sine filter control • control 230V motors with transformer speed controller The maximum fluid temperature is +120°C for series WDV-A The maximum fluid temperature is +60°C for series WDV-K 5.3. -
Page 7: Fan And Motor Data
Note We generally recommend pre-filtering the supply air before the fan For example with a filter box or an activated carbon module, see WALPOL product range 6. Nameplate and type key Each fan has a nameplate Please compare the fan type/data with the version you ordered to avoid misunderstandings or wrong deliveries. -
Page 8: Installation
8. Installation Safety instructions Warning: Risk of impact from falling fan or fan parts. • Before installation, check the surface for load-bearing capacity. • Consider all static and dynamic loads when selecting lifting equipment and fasteners. General safety instructions • Installation may only be carried out by appropriately qualified persons, for details, see Table 1 Qualification, page 2. -
Page 9: Assembly/Disassembly Of Impeller - Internal Rotor Motor Wdv-A Series
The ball bearings of the motor and the balanced impeller can be damaged by violent impacts. • Attach the impeller and/or shaft extensions to the shaft or rotor without forcing. • The impeller and the hub must not be separated. These were balanced by Walpol as one unit. - Page 10 Note The hub can be heated for easier assembly and disassembly, e.g. with a hot air blower. • Prerequisite for assembly: The wedge lies correctly in the groove provided for it. • Tools: Suitable Allen key, suitable extraction tool, torque wrench for the clamping bush.
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Page 11: Electrical Connection
Table of tightening torques for different bushing types Socket type 1008 1108 1210 1215 1310 1610 1615 2012 2517 3020 Tightening torques (Nm) 5.7 Electrical connection Safety instructions Warning: Danger due to electrical voltage! • The 5 safety rules must be observed, see The 5 safety rules for working in and on electrical installations •... -
Page 12: Commissioning
All components (fan, frequency converter and motor) must be grounded. • All-pole sine filters must be used. (Exceptions are fans with IEC standard motors. This is not mandatory for these motors, but is recommended by Walpol) • Avoid fan operation with frequency converter below 10 Hz. -
Page 13: Operation
Otherwise, please contact Walpol. Impeller contamination Carefully clean, rebalance Material degradation on the impeller due to Contact Walpol aggressive pumped media. Change the direction of rotation if Direction of rotation of impeller incorrect possible. Otherwise, please contact Fan runs unsteadily Walpol. - Page 14 3 phases are present. Check impeller cooling (if present), Thermal contact/ PTC Engine overheating check resistance of motor windings (if thermistor tripped possible) / contact Walpol. Capacitor (if used) not or not correctly con- Connect the capacitor correctly. nected Motor blocked Contact Walpol...
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Page 15: Maintenance
Check the flexible connectors for damage. see normal operating conditions Note For all other damage/defects, please contact Walpol. 13.4. Spare parts • Only use original spare parts from Walpol! • When ordering spare parts, specify the serial number of the fan. This is indicated on the nameplate. -
Page 16: Disassembly / Removal
Important For a long period of use, keep the fan clean. • Install a pre-filter (e.g. filter box from Walpol). • Do not use hard brushes, steel brushes or sharp-edged objects. • Never use a high-pressure cleaner ("steam jet"). •... -
Page 17: Commissioning Protocol
Commissioning protocol Description: Item no: Production order no.: Installer Company: Contact person: Company address: Tel. no.: Email: Operator (installation site) Company: Contact person: Company address: Tel. no.: Email: Connection type Directly on the net □ □ 0-10 V signal (EC motor) □... - Page 18 Measurement data during commissioning Voltage [V] Temp. of the conveyed air [°C]: Current L1 [A]* Impeller speed [rpm] Current L2 [A]: Volume flow [m³/h]: Current L3 [A]: Differential pressure [Pa]*: *For single-phase fans, enter in line "Current L1 [A]" *Δ-pressure between suction and discharge side of the fan If a volume flow measurement is not possible, the value can be calculated using the following formula: Duct cross-section [m²] Flow velocity [m/s]...