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Summary of Contents for Skov DOL 38
- Page 1 DOL 38 Frequency Converter Technical User Guide 604496 • 2022-03-01...
- Page 3 Note • All rights belong to SKOV A/S. No part of this manual may be reproduced in any manner whatsoever without the expressed written permission of SKOV A/S in each case.
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Page 4: Table Of Contents
Circuit diagram - fan........................ 20 4.7.1.3 Circuit diagram - fan w/thermal cutout .................. 21 4.7.2 DOL 38-3 with DA 74CV and DA 600 fan .................. 22 4.7.2.1 Cable plan.......................... 22 4.7.2.2 Circuit diagram - DA 74CV and DA 600 fan................ 23 4.7.2.3... -
Page 5: Product Description
DOL 38 Frequency Converter 1 Product description DOL 38-3 is a sturdy frequency converter for three-phase fans. DOL 38-3 is controlled by a 10--0 V signal from a climate controller. Technical User Guide... -
Page 6: Product Survey
DOL 38 Frequency Converter 2 Product survey 110459 DOL 38-3 frequency converter 230V1 50/60Hz Frequency converter is used for regulating three-phase fans. The frequency converter is controlled via a 10-0 V signal. The distance between the frequency converter and fan should not exceed 5 m (shielded cable). -
Page 7: Mounting Guide
DOL 38 Frequency Converter 3 Mounting guide 3.1 Recommended tools A list of the recommended tools for mounting purposes can be seen below. Item Description Cordless drill Screwdriver bits Drill kit Multimeter Utility knife Cable clip pliers Side cutter Pointed pliers... -
Page 8: Position Of Motor Controller/Frequency Converter
DOL 38 Frequency Converter 3.2 Position of motor controller/frequency converter Motor controller/frequency converter must not be built- in or covered and must be mounted on a solid, level surface. In order to uphold protection classifications, access and cooling, the motor controller/frequency converter must be positioned as shown in section Mounting distances for the motor controller/frequency converter [} 8]. -
Page 9: Installation Guide
4.1.3 Overvoltage protection SKOV A/S equipment are protected for high level of surge transient, but in some cases, specially in areas with frequent lightning strikes and power outage, additional protection is necessary. To reduce the risk of damaging the electronic equipment by large surge overvoltage, it is therefore recommended, always to install Surge Pro- tection Devices (SPD) in the mains supply. -
Page 10: Cabling In The Exhaust Unit
DOL 38 Frequency Converter 4.1.4 Cabling in the exhaust unit Drill a hole in the exhaust unit duct for the fan cable and pull it along a support to the same side as the motor con- troller/frequency converter. 4.1.5 Cabling into the motor controller/frequency converter... -
Page 11: Connection In The Lpc Motor Controller/Frequency Converter
DOL 38 Frequency Converter 4.2 Connection in the LPC motor controller/frequency converter Supply terminals one-phase (L1/L, L2/N). Three-phase (L1/L, L2/N, L3) Screw for ground wire Motor connection terminals (U, W, V) Screw for ground wire Shield connection to fan cable... -
Page 12: Terminals For One-Phase Supply
DOL 38 Frequency Converter 4.2.1 Terminals for one-phase supply Supply one-phase. L1/L = phase L2/N = neutral Mount the supplied cable clip on the ground wire and mount it under the ground screw. 4.2.2 Terminals for power supply of fan Connection from motor controller/frequency converter to fan motor. -
Page 13: Led Indication On Display
DOL 38 Frequency Converter 4.3 LED indication on display To display certain warnings, the motor controller has a built-in 6-digit 7-segment LED display. LED segments Display Meaning a, b, c, d, e, f All flashing Overload, the motor output current... - Page 14 DOL 38 Frequency Converter H 50.0 Motor controller is activated / running, display shows the output frequency [Hz]. A 2.3 Press Navigate. The display will show the motor cur- rent [A]. P 1.50 Press Navigate. The display will show the motor power [kW].
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Page 15: Change 10-0 V Analog Input Into 0-10 V
DOL 38 Frequency Converter 4.4.1 Change 10-0 V analog input into 0-10 V The factory setting is 10-0 V. StoP Press and hold the Navigate key for more than 2 sec- onds. P-16 Press Up and select P-16 U 10-0 Press Navigate. - Page 16 DOL 38 Frequency Converter P-16 Press Navigate. The new setting is now saved. StoP Press and hold the Navigate key for more than 2 sec- onds to return to operating mode. Technical User Guide...
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Page 17: Adjusting The Jumper And Connection In The Winch Motor
DOL 38 Frequency Converter 4.5 Adjusting the jumper and connection in the winch motor Set the jumper on the PCB to give actuator the desired function. LED indication OK = slow flashing Error = quick flashing (10 times/second) H1 Actuator controller or +24 V DC supply... -
Page 18: General Information About Circuit Diagrams
DOL 38 Frequency Converter 4.6 General information about circuit diagrams Symbols are pursuant to the IEC/EN 60617 standard. The classification of the symbols ("letter codes") on the symbols is pursuant to the IEC/EN 81346-2 standard. Reference designations are in accordance with IEC/EN 81346-1:2001 structuring principles and reference des- ignations. -
Page 19: Cable Plans And Circuit Diagrams
DOL 38 Frequency Converter 4.7 Cable plans and circuit diagrams 4.7.1 DOL 38-3 with fan 4.7.1.1 Cable plan Technical User Guide... -
Page 20: Circuit Diagram - Fan
DOL 38 Frequency Converter 4.7.1.2 Circuit diagram - fan Example of terminal number For correct connection see the setup menu Show connection in the controller DOL 38-3 Technical User Guide... -
Page 21: Circuit Diagram - Fan W/Thermal Cutout
DOL 38 Frequency Converter 4.7.1.3 Circuit diagram - fan w/thermal cutout Special Engagement contactor/ Thermal overload Example of terminal number For correct connection see the setup menu Show connection in the controller DOL 38-3 Technical User Guide... -
Page 22: Dol 38-3 With Da 74Cv And Da 600 Fan
DOL 38 Frequency Converter 4.7.2 DOL 38-3 with DA 74CV and DA 600 fan 4.7.2.1 Cable plan Technical User Guide... -
Page 23: Circuit Diagram - Da 74Cv And Da 600 Fan
DOL 38 Frequency Converter 4.7.2.2 Circuit diagram - DA 74CV and DA 600 fan Power supply from emergency opening 0V-1 = Q1 terminal in controller. Power supply from emergency opening 24V-1 = Q2, Q3, Q4 and Q5 terminal in controller. -
Page 24: Circuit Diagram - Da 74Cv And Da 600 Fan W/Thermal Cutout
DOL 38 Frequency Converter 4.7.2.3 Circuit diagram - DA 74CV and DA 600 fan w/thermal cutout Power supply from emergency opening 0V-1 = Q1 terminal in controller. Power supply from emergency opening 24V-1 = Q2, Q3, Q4 and Q5 terminal in controller. -
Page 25: Dol 38-3 And Da 600 Fan With Reverse
DOL 38 Frequency Converter 4.7.3 DOL 38-3 and DA 600 fan with reverse 4.7.3.1 Cable plan Nøgleafbryder Technical User Guide... -
Page 26: Circuit Diagram
DOL 38 Frequency Converter 4.7.3.2 Circuit diagram Power supply from emergency opening 0V-1 = Q1 terminal in controller. Power supply from emergency opening 24V-1 = Q2, Q3, Q4 and Q5 terminal in controller. Power supply from emergency opening 24V-12 = F6 terminal in emergency opening. -
Page 27: Dol 38-3 And Da 600 Fan With Alarm
DOL 38 Frequency Converter 4.7.4 DOL 38-3 and DA 600 fan with alarm 4.7.4.1 Cable plan Technical User Guide... -
Page 28: Circuit Diagram
DOL 38 Frequency Converter 4.7.4.2 Circuit diagram Power supply from emergency opening 0V-1 = Q1 terminal in controller. Power supply from emergency opening 24V-1 = Q2, Q3, Q4 and Q5 terminal in controller. Power supply from emergency opening 24V-12 = F6 terminal in emergency opening. -
Page 29: Maintenance Instructions
When washing the inside of the ducts, fan blades must stand still. Remember that fans do not stand high-pressure cleaning. If the inside of the duct needs to be cleaned extra thoroughly SKOV A/S recommends washing from above. When washing the fan, the fan blades must turn around. -
Page 30: Trouble Shooting Instructions
DOL 38 Frequency Converter 6 Trouble shooting instructions Remember to shut the fan off at the power supply isolator prior to troubleshooting. Wait 10 minutes for the capacitors to discharge to a safe voltage level before servicing and trou- bleshooting. - Page 31 Defective thermistor on the Frequency converter defective. Replace frequency con- eat sink. verter. dAtA-F Internal memory error (IO). Press the stop key. Contact SKOV A/S Fan-F Cooling fan error (IP66 Frequency converter defective. Replace frequency con- only). verter. O-hEAt...
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Page 32: Technical Data
0.65 CosPhi [Φ] 10 to 100% / 9 - 0 V Regulation ability Built-in current limiter in DOL 38-3. Motor protection Use fuse in front of DOL 38-3. Thermal cutout (PTO) Interface Inputs A1: Analog fan speed V DC 10 – 0 (default) -
Page 33: Dimensioned Sketch
DOL 38 Frequency Converter 7.1 Dimensioned sketch DOL 38 Frequency Converter 148.5 Technical User Guide... - Page 36 SKOV A/S • Hedelund 4 • Glyngøre • DK-7870 Roslev Tel. +45 72 17 55 55 • www.skov.com • E-mail: skov@skov.dk...
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