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035-27337-100

Form Number: 160.00-O4 (820)

Supersedes: 160.00-O4 (220)

Operation Manual
Issue Date: 2020-08-19

Liquid-Cooled OptiSpeed Compressor

Speed Drive

Models VSD 270, 292, 351, 385, 419, 424, 503, 608, 658, 704,
790, 868, 882, 917, 948, and 1055. Models LVD 270, 292, 351,
385, 419, 424, 503, 608, 658, 704, and 900.

Содержание LVD 270

Страница 1: ...sedes 160 00 O4 220 Operation Manual Issue Date 2020 08 19 Liquid Cooled OptiSpeed Compressor Speed Drive Models VSD 270 292 351 385 419 424 503 608 658 704 790 868 882 917 948 and 1055 Models LVD 270...

Страница 2: ...2 Liquid Cooled OptiSpeed Compressor Speed Drive...

Страница 3: ...s for the VSD and LVD model drives 17 OptiSpeed compressor drive control system overview 17 VSD adaptive capacity control 19 OptiSpeed compressor drive details 22 System architecture 22 Printed circui...

Страница 4: ...4 Liquid Cooled OptiSpeed Compressor Speed Drive...

Страница 5: ...It is expected that these individuals possess independent training that will enable them to perform their assigned tasks properly and safely It is essential that prior to performing any task on this e...

Страница 6: ...It is the responsibility of rigging lifting and operating service personnel to verify the applicability of these documents to the equipment If there is any question regarding the applicability of thes...

Страница 7: ...plan is built around the specific needs for the chiller operating conditions and annualized impact realized by the chiller Your local Johnson Controls Branch can propose a customized Planned Service A...

Страница 8: ...Base Model VSD270K 40 371 02767 X22 Factory Pack YK Base Model VSD270TFT 40 371 02767 X25 Factory Pack YT Filter Model VSD270KFT 40 371 02767 X26 Factory Pack YK Filter Model VSD270RT 40 371 02767 X31...

Страница 9: ...e Model VSD351K 46 371 02767 X02 Factory Pack YK Base Model VSD351TFT 46 371 02767 X05 Factory Pack YT Filter Model VSD351KFT 46 371 02767 X06 Factory Pack YK Filter Model VSD351RT 46 371 02767 X11 Re...

Страница 10: ...9RTFT 50 371 05395 X17 Retrofit YT Filter Model 419 HP 400 VAC W VSD419RKFT 50 371 05395 X18 Retrofit YK Filter Model VSD419T 68 371 03789 X25 Factory Pack YT Base Model VSD419K 68 371 03789 X26 Facto...

Страница 11: ...608TFT 58 371 04563 X03 Factory Pack YT Filter Model VSD608KFT 58 371 04563 X04 Factory Pack YK Filter Model VSD608RT 58 371 04563 X11 Retrofit YT Base Model VSD608RK 58 371 04563 X12 Retrofit YK Base...

Страница 12: ...l VSD914K 43 371 06863 X62 Factory Pack YK Base Model VSD914KFT 43 371 06863 X64 Factory Pack YK Filter Model VSD914RK 43 371 06863 X72 Retrofit YK Base Model 914 HP 400 VAC VSD914RKFT 43 371 06863 X7...

Страница 13: ...porator liquid cooled water D Condenser liquid cooled glycol F Evaporator liquid cooled glycol B Air cooled glycol A Air cooled air R Refrigerant refrigerant Not yet defined VIII Liquid DWP 15 150 psi...

Страница 14: ...HP 60 HZ 380 400 VAC LVD0385GXN01KC30B06LZ 40A 371 06697 X22 Factory Pack YK Chiller 385 HP 60 HZ 400 VAC LVD0385GXN01KC30B06LZ 42A 371 06697 X46 Factory Pack YK Chiller 419 HP 50 HZ 380 400 VAC LVD0...

Страница 15: ...AC line when the chiller enters the coastdown cycle At this time the OSCD is turned off the SCRs in the converter are no longer turned on and remain in a turned off condition until the next precharge...

Страница 16: ...sistor module within the output transistor section contains a thermistor which is connected to the OSCD logic board The transistor gate driver board is mount ed on top of the transistor section in the...

Страница 17: ...the filter on the power source Differences between the G and W designs The drive model number nomenclature has two different letters for the design center of the drive The G for the design center is a...

Страница 18: ...urge which is an undesirable and extremely inefficient operating condition As a result one particular optimum operating speed exists on the edge of surge for a given head which provides the optimum sy...

Страница 19: ...mputer control panel VSD related keypad functions Refer to 160 00 M4 for related keypad functions Some of the displayed data in this form is different from the 160 00 M1 Under the Options Key the foll...

Страница 20: ...perature must be stable Lack of stability will be indicative of the vanes hunting the leaving chilled liquid temperature varying and the green LED on the ACC will be on Once the above conditions are m...

Страница 21: ...ow Valves on air handler coils closing rapidly causing changes in heat load Extremely short chilled liquid loop Parallel chiller with poor control causing temperature variations Parallel chiller with...

Страница 22: ...Speed system architecture Model VSD 351 without harmonic filter shown similar to 270 292 424 models Callout Description Callout Description 1 Cooling coil 4 Control transformer 2 Cooling fans 5 Input...

Страница 23: ...1 without harmonic filter shown similar to 270 292 424 models Callout Description 1 Cooling fans 2 Cooling coil 3 Gate driver board 4 IGBT 5 DC bus isolator board 6 SCR trigger board 7 SCR Diode modul...

Страница 24: ...igure 5 OptiSpeed system architecture Model LVD 419 shown similar to 385 503 608 658 704 and 900 models Callout Description 1 Input breaker 2 Inductor Liquid Cooled OptiSpeed Compressor Speed Drive 24...

Страница 25: ...Model LVD 419 shown similar to 385 503 608 658 704 and 900 models Callout Description 1 Cooling coil 2 Cooling fan 3 SCR trigger board 4 SCR Diode module 5 IGBT module 6 Gate driver board 25 Liquid C...

Страница 26: ...dels Callout Description 1 Filter pre charge contactor 2 Filter supply contactor 3 Direct current current transducers DCCTs 4 Filter issues 5 50 60 Hz inverter 50 Hz applications only 6 Filter inducto...

Страница 27: ...ure Model VSD 503 with harmonic filter shown similar to 385 419 608 models Callout Description 1 Line voltage isolation board 2 Filter power module 3 Filter power unit 4 VSD power unit 27 Liquid Coole...

Страница 28: ...similar to 608 658 and 704 models Callout Description Callout Description 1 Air coil 5 Line inductor 2 Filter supply contactor 6 Filter inductor 3 Filter DCCTs 7 Circuit breaker 4 Filter fuses 8 Filt...

Страница 29: ...escription 1 Filter line voltage isolation board 2 Drive logic board 3 Filter power unit 4 Filter logic board 5 SCR trigger board 6 Service hole 7 Filter input current transformer 8 Drive power unit 9...

Страница 30: ...914 917 and 948 models Callout Description Callout Description 1 Filter pre charge contactor 5 Filter inductor 2 Air coil 6 Line voltage isolation board 3 Filter supply contactor 7 Circuit breaker 4 L...

Страница 31: ...14 917 and 948 models Callout Description 1 Filter power unit 2 Service hole 3 SCR trigger board 4 Drive power unit 5 Filter input current transformer In Figure 12 the drive and filter logic boards ar...

Страница 32: ...Printed circuit boards Figure 13 VSD logic board located on panel door Figure 14 SCR trigger board Liquid Cooled OptiSpeed Compressor Speed Drive 32...

Страница 33: ...e 15 Optional harmonic filter logic board located on panel door Figure 16 Gate driver board and power module Model 351 shown similar to 270 292 424 models 33 Liquid Cooled OptiSpeed Compressor Speed D...

Страница 34: ...is running at the time of the shut down the Control Center starts a coastdown period 150 seconds for centrifugal chillers or shorter for those chillers that contain the optional Quick Start feature Th...

Страница 35: ...D High Converter Heatsink Temperature HIGH CONVERTER HEATSINK TEMP LVD 1100 222 F 105 C VSD High Inverter Baseplate Temperature 270 292 351 and 424 Hp drives HIGH INVERTER BASEPLATE TEMPERATURE FLT A...

Страница 36: ...hp rating Threshold shutdown value 270 292 351 175 F 79 C 385 419 424 503 608 575 VAC 190 F 88 C 608 400 VAC 704 658 790 194 F 90 C Harmonic Filter High Baseplate Temperature HIGH FILTER BASEPLATE TEM...

Страница 37: ...ctive Leave the Compressor Switch in the Run position The chiller starts if no faults are active Cycling shutdown messages Table 4 Cycling shutdown message Message Description VSD DC Bus Voltage Imbal...

Страница 38: ...llowable operating limits The power supplies for the logic boards are derived from the secondary of the 120 VAC to 24 VAC transformer which in turn is derived from the 480 VAC to 120 VAC control trans...

Страница 39: ...problem between the trigger board and the OSCD logic board This message is also displayed every time power to the OSCD is restored or if the input power dips to a very low level Usually it indicates...

Страница 40: ...nic Filter Communications IEEE 519 FILTER FAULT This shutdown states that the hardware on the harmonic filter logic board is indicating a fault but the software on the harmonic filter logic board does...

Страница 41: ...m voltage value 2nd minimum voltage value 380 460 VAC 41 VDC 425 VDC Harmonic Filter Precharge Low DC Bus Voltage FLTR PCHARGE LOW BUS V FLT 575 VAC 60 VDC 630 VDC Harmonic Filter Run Signal FLTR RUN...

Страница 42: ...link between the OSCD logic and the harmonic filter logic or the ACC boards are interrupted for at least a period of 20 seconds This message can also occur as a background message when the chiller is...

Страница 43: ...no longer require a section of non metallic conduit at the entrance and exit of the OSCD as we did on previous products If any customer or installer wishes to continue to follow this practice we have...

Страница 44: ...perature is still at 85 F Failure to reduce speed may also be due to the system having been placed in Manual Speed when in VSD Service Mode Do I have a problem with my coolant The pink color is no lon...

Страница 45: ...Meters m Length Inches in 25 4 Millimeters mm Weight Pounds lb 0 4536 Kilograms kg Velocity Feet Second fps 0 3048 Meters Second m s Feet of Water ft 2 989 Kilopascals kPa Pressure Drop Pounds Square...

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