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Summary of Contents for Danfoss EPS VLT
- Page 1 MAKING MODERN LIVING POSSIBLE Quick Reference Guide ® HVAC Drive...
- Page 2 ® HVAC Drive Quick Reference Guide 91 (L1) (U) 96 3 Phase (V) 97 92 (L2) power 93 (L3) (W) 98 input (PE) 99 Motor Switch Mode DC bus 88 (-) Power Supply 89 (+) 24Vdc (R+) 82 Brake 15mA 200mA resistor 50 (+10 V OUT)
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Page 3: How To Programme
® HVAC Drive Quick Reference Guide 2 How to Programme 2.1 Local Control Panel 2.1.1 How to Operate Graphical LCP (GLCP) Status 1(0) 1234rpm 10,4A 43,5Hz The following instructions are valid for the GLCP (LCP 102). 43,5Hz The GLCP is divided into four functional groups Graphical display with Status lines. -
Page 4: Quick Menu Structure
® HVAC Drive Quick ReferenceGuide 5.5.1 Quick Menu Structure... - Page 5 ® HVAC Drive Quick Reference Guide...
- Page 6 ® HVAC Drive Quick Reference Guide...
- Page 7 ® HVAC Drive Quick Reference Guide...
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- Page 9 ® HVAC Drive Quick Reference Guide...
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Page 10: Motor Thermal Protection
3000 2.13.1 Motor Thermal Protection 1330 This is the way Danfoss is protecting the motor from being overheated. It is an electronic feature that simulates a bimetal relay based on internal measurements. The charac- teristic is shown in Illustration 2.21 t [s] ... - Page 11 ® HVAC Drive Quick Reference Guide Using a digital input and 24V as power supply: Input Supply Voltage V Threshold Example: The frequency converter trips when the motor Digital/analog Cut-out Values Cut-out Values temperature is too high. Digital < 6.6kΩ - > 10.8kΩ Parameter set-up: Digital <...
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Page 12: Fault Messages
® HVAC Drive Quick Reference Guide 8.7.4 Fault Messages Troubleshooting Connect a brake resistor The warning/alarm information below defines each Extend the ramp time warning/alarm condition, provides the probable cause for Change the ramp type the condition, and details a remedy or troubleshooting Activate the functions in 2-10 Brake Function procedure. - Page 13 When using digital inputs 18 or 19, check that Record the value of the following parameters and contact the thermistor is connected correctly between your Danfoss supplier: either terminal 18 or 19 (digital input PNP only) 15-40 FC Type and terminal 50. Check 1-93 Thermistor Source 15-41 Power Section selects terminal 18 or 19.
- Page 14 ® HVAC Drive Quick Reference Guide Verify a proper installation based on EMC Remove power to the frequency converter and remove the requirements. brake resistor. ALARM 18, Start failed WARNING/ALARM 28, Brake check failed The speed has not been able to exceed 1-77 Compressor The brake resistor is not connected or not working.
- Page 15 Check 5-32 Term X30/6 Digi Check for loose or missing wiring Out (MCB 101). It may be necessary to contact your Danfoss supplier or For X30/7, check the load connected to X30/7 or remove service department. Note the code number for further the short-circuit connection.
- Page 16 Check that the ambient operating temperature is the motor. within limits. ALARM 58, AMA internal fault Check for clogged filters. Contact your Danfoss supplier. Check fan operation. WARNING 59, Current limit Check the power card. The current is higher than the value in 4-18 Current Limit.
- Page 17 ® HVAC Drive Quick Reference Guide ALARM 92, No flow WARNING 204, Locked rotor A no-flow condition has been detected in the system. With a frequency converter operating multi-motors, an 22-23 No-Flow Function is set for alarm. Troubleshoot the overload condition was detected. This could indicate a system and reset the frequency converter after the fault locked rotor.
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