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DA 74BC Winch Motor
Technical User Guide
English: For other language variants of this document we refer to:
Español: Para otras variantes del idioma de este documento, visite:
Français: Pour les versions dans d'autres langues de ce document veuillez consulter:
http://docs.skov.com/1077
2017.01.31 • 604150
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Table of Contents
Summary of Contents for Skov DA 74BC
- Page 1 DA 74BC Winch Motor Technical User Guide English: For other language variants of this document we refer to: Español: Para otras variantes del idioma de este documento, visite: Français: Pour les versions dans d'autres langues de ce document veuillez consulter: http://docs.skov.com/1077...
- Page 2 Technical User Guide Product and Documentation Changes SKOV A/S reserve the right to change this document and the product herein described without further notice. In case of doubt, please contact SKOV A/S. Date of change appears from the front and back of this manual.
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Page 3: Table Of Contents
INSTALLATION GUIDE ..................8 Electrical Connection ....................8 4.1.1 Cable Routing ........................8 4.1.2 Connection and Circuit Diagram for DA 74BC ..............8 4.1.2.1 Connection in DA 74BC ON/OFF ......................8 4.1.2.2 Circuit Diagram for DA 74BC ON/OFF ....................9 4.1.2.3... -
Page 4: Product Description
Technical User Guide 1 Product Description DA 74BC is a 24V winch motor with a wall fitting and an arm which is used to adjust wall inlets, ceiling inlets or emergency opening of windows and doors in houses. DA 74BC can be mounted for either ON/OFF or stepless regulation and is controlled by a house computer. The winch motor can be operated manually by disconnecting power, activating the push button for the manual release and turning the wall fitting arm. -
Page 5: General Information
Technical User Guide 2 General information Recommended Tools The following or similar tools are required to service the DA 74BC. The tools are not supplied by SKOV A/S. Item Description Multimeter Screwdriver set Side cutting pliers Long-nose pliers Knife Water pump pliers... -
Page 6: Mounting Guide
Technical User Guide 3 Mounting Guide Check that all parts are present and undamaged before mounting the DA 74BC winch motor. Mounting DA 74BC Mount the wall fitting (A) on the wall. Screws and rawlplugs (B) are included. They may, however, be inadequate, depending on the wall material. -
Page 7: Mounting The Cover
3.1.4 Installation of adapter for swivel shutter Using the DA 74 adapter for swivel shutter, the DA 74BC winch motor can be mounted on an axle diameter from 15–20 mm. The DA 74 adapter is ordered separately. Mount the axle in the shackle and tighten the two nuts. -
Page 8: Installation Guide
Close holes which are not used with IP65 safety plugs. Incorrect Correct Figure 7: Cable routing 4.1.2 Connection and Circuit Diagram for DA 74BC 4.1.2.1 Connection in DA 74BC ON/OFF ON/OFF Control voltage +24V => Close. -
Page 9: Circuit Diagram For Da 74Bc On/Off
Technical User Guide 4.1.2.2 Circuit Diagram for DA 74BC ON/OFF Example of terminal number. For correct connection, see the setup menu Show Installation in Computer Q2-Q5 Supply from emergency opening or internal 24 V When installing DOL 278 ON/OFF emergency opening, connection of the... -
Page 10: Circuit Diagram For Da 74Bc Stepless
Technical User Guide 4.1.2.4 Circuit Diagram for DA 74BC Stepless Example of terminal number. For correct connection, see the setup menu Show Installation in Computer Supply from emergency opening or internal 24 V Q2-Q5 When using ON/OFF 278M and 378M, connect Q1 to C17/B17 on the main module. -
Page 11: Setting The Jumper
Technical User Guide 4.1.3 Setting the Jumper The jumper on the PCB can be set to give the DA 74BC the required function. REVERSE 0º º 0º 90º Figure 12: Jumper setting O.C. = Open Collector (transistor outlet) REVERSE = Reverses the direction of rotation of the motor. -
Page 12: Maintenance Guide
Technical User Guide 5 Maintenance Guide DA 74BC does not require any special maintenance, however, we recommend that the system be serviced once a year. Cleaning Clean the product with water and a brush without using: high-pressure cleaner ... -
Page 13: Troubleshooting/Remedy
Technical User Guide Troubleshooting/Remedy Even though the DA 74BC has been designed to work without supervision, malfunctioning may occur. Check the following to remedy any faults. Symptom Cause Solution The winch motor does not No power supply or is the power supply Check supply voltage. -
Page 14: Technical Data
Technical User Guide 6 Technical Data Electricity Technical data DA 74BC 24V DC 20% Power supply Power consumption max. 0.15A O.C. (open collector) output max. 20mA - 30V DC Relay output max. 6.8A at 230V Mechanics Running time, no load 70 secs. -
Page 15: Pull Length And Force
Technical User Guide Pull Length and Force The measurements are from the centre of the wall fitting arm. Arm length Max. pull force Pull length [mm] [kg] [mm] 13.9 15.9 Figure 16: Pull and force DA 74BC Winch Motor... - Page 16 SKOV A/S • Hedelund 4 • Glyngøre • DK-7870 Roslev Tel. +45 72 17 55 55 • Fax +45 72 17 59 59 • www.skov.com • E-mail: skov@skov.dk...
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