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CL 75A 24V User´s guide Bedienerhandbuch mit MontageanleitungCode Nr. 99 97 0853M 853 GB + DNr.: 603691Versionsnr.: 1.0Big Dutchman International GmbH . Calveslage . Auf der Lage 2 . 49377 Vechta04447/801-0 . Fax 04447/801-237 CL 75A 24V Winch motors Page 2 1. PRODUCT DESCRIPTION ............................................................................................................................................ 3Fig. 1 Operation ............................................................................................................................................................ 32. MAINTENANCE ............................................................................................................................................................. 33. ELECTRIC INSTALLATION ........................................................................................................................................ 33.1 NORMAL CONTINUOUSLY VARIABLE FUNCTION ............................................................................................................. 4Fig. 2 “Stepless” block diagram and connection ................................................................................ ........................... 43.2 ON/OFF EMERGENCY OPENING FUNCTION ................................................................................................................... 5Fig. 3 “ON/OFF-Emergency opening” block diagram and connection .......................................................................... 54. ASSEMBLY ..................................................................................................................................................................... 65. TROUBLE SHOOTING AND EMERGENCY OPERATION ...................................................................................... 8Fig. 5 Motorprint and Noise Capacitor .......................................................................................... ................................ 8Fig. 6 Mounting of Switch Wire ................................................................................................................................... 96. SPARE PARTS AND ACCESSORIES.......................................................................................................................... 107. TECHNICAL DATA...................................................................................................................................................... 10User´s guide CL 75A 24VEdition: 27.05.98 M 853 GB CL 75A 24V Winch motors Page 3 1. Product DescriptionCL 75A is a winch motor designed to control shutters and inlets, e.g. in livestock ventilation systems. CL 75A has 2 wires which permit independent adjustment of pulling length and pulling direction. CL 75A is equipped with a feedback potentiometer for position indication.Ada sebuah saklar untuk memilih antara atau dan manusia (B). Winch motor adalah relay dikendalikan dan dapat infi-nitely variabel dikendalikan antara posisi terbuka dan tertutup. Dalam posisi otomatis motor dikendalikan oleh komputer iklim, misalnya MC 34H. Dalam posisi manual motor dapat dibuka secara manual, berhenti atau ditutup dengan saklar (C). CL 75A telah dibangun - di batas switch dan kontak termal untuk mematikan motor jika terlalu panas. Dalam keadaan darurat CL 75A dapat dioperasikan dengan pembukaan darurat engkol, item nomor. 432020, atau mesin bor baterai dan tertutup coupling piece (D) melalui lubang (A).CL 75A untuk 24V dirancang terutama untuk sistem dengan pembukaan darurat, mana adalah cadangan enerji baterai 24V.Jadi mungkin adalah pembukaan ON/OFF-darurat, misalnya winch motor membuka jendela sepenuhnya.Ara. 1 cara beroperasi2. pemeliharaanPeriksa secara teratur bahwa kabel yang OK dan tidak dikenakan di trek kawat.Motor ini memiliki kehidupan karbon approx. 5.000 jam operasi, sesuai dengan sekitar 10 tahun operasi waktu normal. Jika diperlukan karbon sikat baru dapat dipesan dengan SKOV, lihat bagian 6 "suku cadang dan aksesoris".3. listrik instalasiCL 75A terhubung ke unit otomatis oleh tujuh-inti kabel (fig. 2) atau lima-inti kabel (fig. 3).After installation set the switch (B) to MAN, and run the motor from stop to stop via the switch (C) in order to make sure that the mechanical coupling is O.K. Set the switch (B) to AUT and check that the motor is able to open, stop and close via the automatic unit. The opening and closing directions are labeled on the wire wheel.User´s guide CL 75A 24VEdition: 27.05.98 M 853 GB CL 75A 24V Winch motors Page 4 3.1 Normal Continuously Variable FunctionSet the AUT./MAN. - switch (B) at AUT. The motor will be controlled on cable 1 and 3.If the CL 75A is supplied with 24V DC on the wires 1(= +24V) and 3(= 0V) the motor will open. Re- versed polarity closes the motor. Wire no. 2 is not used when operated continuously variable.Equal polarity on wire 1 and 3 causes a stop. If wire no. 1, wire no. 3 or both are switched off, the motor will stop. Wire no. 4 (= +24V DC) and 5(= 0V) must always be connected constantly so that the motor can open/close manually with the switches (B) and (C).To the potentiometer is connected for example 10V DC to wire no. 6 (= +10V) and wire no. 8 (= 0V). Wire no. 7 will then have 0V when motor is closed, approx. 5V when motor is half open and approx. 10V when motor is fully opened.When operating automatically, set the switch (B) at position AUT.In case of power failure the motor can be adjusted by means of the enclosed coupling (D) and emergency opening crank or a drilling machine, preferably battery operated. The plug (A) is also screwed off with the coupling.Fig. 2 “Stepless” block diagram and connectionUser´s guide CL 75A 24VEdition: 27.05.98 M 853 GB CL 75A 24V Winch motors Page 5 3.2 ON/OFF Emergency Opening FunctionSet the AUT./MAN. switch (B) at AUT.This function is used for emergency opening of a window in a house with “diffuse” air outlet. As an exam- ple the motor may be controlled by a DOL 2012 thermostat or a mechanical Danfoss thermostat + MC78M emergency opening unit.The motor is controlled ON/OFF (open/close on wire 2 with only one single relay make contact). When the temperature gets too high, the relay switch of the thermostat should switch off +24V for wire 2 and the motor opens fully.As long as wire 2 has +24V the motor is kept completely closed.Wire 1(=+24V) and 3(=0V) must always be connected in this application.Wire 4(= +24V DC) and 5(= 0V) must always be connected to enable the motor to open and close manu- ally with the switches (B) and (C).Fig. 3 “ON/OFF-Emergency opening” block diagram and connectionCable length Cross section 30 m 1.5 mm²20 50 m 2.5 mm²Conductor cross sectionUser´s guide CL 75A 24VEdition: 27.05.98 M 853 GB CL 75A 24V Winch motors Page 6 4. AssemblyCL 75A is delivered with 2 wires discs and corresponding wire. If only one wire is to be used, dismount the ut- termost. In order to use the same bolts again, mount the wire discs again.If 3 wires should be used, an extra wire disc with wire, item No. 432925, can be re-mounted. The same bolts can be used.CL 75A should be mounted vertically or horizontally on the wall. At horizontal mounting the shaft should turn down in order to avoid water penetration. In countries with a hot climate it should be avoided that the sun shines directly on CL 75A. 3 or 4 pcs. of 10 mm through-bolts should be used to secure the unit. Above the unit, (A) on Fig. 1, sufficient space should be left free for an emergency opening crank or a battery-operated drilling ma- chine to operate the motor, should emergency opening be required. The wires can be led in any direction, also through the wall. The wires should be wound on to the wire wheel in order to obtain the correct pulling or slacking length.When you are going to wind a winch motor, it should always be in the fully closed position. Fig. 4 shows where to measure to get rough values in the scheme. Please note that min. 3 mm should be free to the outer periphery and the hub should always be “covered” by a wire winding as shown in the figure. The figure also shows the defi- nition of “number of wire windings = 1”. Following table shows the rough relation between load, the number of wire windings and the pulling or slacking lengths.1000 N equal 98 kg. Fig. 4 User´s guide CL 75A 24VEdition: 27.05.98 M 853 GB CL 75A 24V Winch motors Page 7 CL 75A-1Measure to One-way pull Balanced No. of wire windings Pulling length[mm] Slacking leng.[mm] periphery before pull/sla. Tractive force[N] Moment[Nm] Tractive force[N] Moment[Nm] 1 237 - 48 1794 56 2384 752 260 232 45 1748 60 2170 753 284 256 42 1702 64 1992 754 307 279 39 1656 68 1840 755 331 303 36 1610 71 1710 756 354 326 33 1564 74 1597 757 377 349 30 1498 75 1498 758 401 373 27 1411 75 1411 759 424 396 24 1379 75 1333 7510 447 419 21 1333 75 1263 7511 471 443 17 1263 75 1201 7512 494 466 14 1201 75 1144 7513 517 489 11 1144 75 1092 7514 541 - 8 1092 75 1045 75CL 75A-31 502 - 48 1767 59 2251 752 549 - 45 1721 63 2059 753 596 484 42 1674 66 1898 754 642 530 39 1628 69 1760 755 689 577 36 1582 72 1640 756 736 624 33 1536 75 1536 757 783 670 30 1445 75 1445 758 829 717 27 1379 75 1363 759 876 764 24 1363 75 1290 7510 923 811 21 1290 75 1225 7511 969 857 17 1225 75 1166 7512 1016 904 14 1166 75 1112 7513 1063 951 11 1112 75 1064 7514 - - 8 1064 75 1019 75CL 75A-61 1117 - 48 1711 64 2025
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