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JOHNSON CONTROLS

23

SECTION 2 - OPTISPEED COMPRESSOR DRIVE DETAILS

FORM 160.00-O4

ISSUE DATE: 07/31/2019

2

LD23372a

LINE VOLTAGE

ISOLATION

BOARD

FILTER POWER

MODULE

FILTER POWER

UNIT

VSD POWER UNIT

FIGURE 4 -

OPTISPEED SYSTEM ARCHITECTURE

(MODEL VSD 503 WITH HARMONIC FILTER SHOWN, SIMILAR TO 385, 419, 608 MODELS)

(CONT'D)

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Summary of Contents for VSD 292

Page 1: ...400 VAC 292 HP 50 HZ 415 VAC 658 HP 50 HZ 400 VAC 292 HP 50 HZ 400 VAC 704 HP 50 HZ 415 VAC 351 HP 60 HZ 460 VAC 704 HP 50 HZ 415 VAC 292 HP 50 HZ 415 VAC 900 HP 50 HZ 400 VAC 385 HP 60 HZ 400 VAC 79...

Page 2: ...this document and any referenced materials This in dividual shall also be familiar with and comply with all applicable industry and governmental standards and regulations pertaining to the task in que...

Page 3: ...he owner of the equipment prior to performing any work on the chiller CHANGE BARS Revisions made to this document are indicated with a line along the left or right hand column in the area the revision...

Page 4: ...270T 40 371 02767 X21 Factory Pack YT 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...

Page 5: ...actory Pack YK Base Model VSD385TFT 40 371 03789 X23 Factory Pack YT Filter Model VSD385KFT 40 371 03789 X24 Factory Pack YK Filter Model VSD385RT 40 371 03789 X31 Retrofit YT Base Model VSD385RK 40 3...

Page 6: ...ory Pack YT Base Model VSD503K 46 371 03789 X02 Factory Pack YK Base Model VSD503TFT 46 371 03789 X03 Factory Pack YT Filter Model VSD503TFK 46 371 03789 X04 Factory Pack YK Filter Model VSD503RT 46 3...

Page 7: ...odel VSD790RKFT 46 371 06982 X14 Retrofit YK Filter Model 868 HP 380 VAC VSD868K 50 371 06863 X06 Factory Pack YK Base Model VSD868KFT 50 371 06863 X08 Factory Pack YK Filter Model VSD868RK 50 371 068...

Page 8: ...liquid cooled water E Evaporator 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 V...

Page 9: ...50A 371 06697 X06 Factory Pack YK Chiller 419 HP 50 HZ 400 VAC LVD0419WXI22KC30B06GZ 50A 371W06642 X06 Factory Pack YK Chiller 419 HP 50 HZ 415 VAC LVD0419WXI22KC30B06GZ 68A 371W06642 X26 Factory Pac...

Page 10: ...Filter High Total Demand Distortion 33 SECTION 4 CYCLING SHUTDOWNS 35 General Information 35 VSD DC Bus Voltage Imbalance 35 VSD High DC Bus Voltage 35 VSD High Internal Ambient Temperature 35 VSD Hig...

Page 11: ...39 Harmonic Filter Precharge Low DC Bus Voltage 39 Harmonic Filter Run Signal 39 SECTION 5 WARNING MESSAGES 41 General Information 41 Warning Vanes Uncalibrated Fixed Speed 41 Warning Harmonic Filter...

Page 12: ...608 658 704 and 900 Models 21 FIGURE 3 OptiSpeed System Architecture Model LVD 419 shown similar to 385 503 608 658 704 and 900 Models 21 FIGURE 4 OptiSpeed System Architecture Model VSD 503 with Har...

Page 13: ...re gradually turned on to slowly charge the DC bus capacitors This is called the pre charge period which last for 20 sec onds At this time the SCRs are fully turned on The SCR Trigger board provides t...

Page 14: ...arly unity The power section of the Harmonic Filter is composed of three major blocks a pre charge section a three phase inductor and a Filter Power Unit The pre charge section contains pre charge res...

Page 15: ...tomer desired The LVD model does not contain any support for the harmonic filter system The enclosure size is reduced and the harmonic filter cannot be added as an option later The function of the dri...

Page 16: ...croboard the function of the Adaptive Capacity Board was placed into the microboard and the ACC board was longer needed in new production The new microboard is also compatible with the older designs m...

Page 17: ...ntrol changes will be covered by the operation manual for the chill er model of interest All versions of software require two conditions to be met for speed reduction to occur These two conditions are...

Page 18: ...he most common causes for instability are High Condenser liquid temperature Dirty Condenser tubes Chillers with very light loads Rapid changes to chilled or condenser liquid flow Valves on air handler...

Page 19: ...7 31 2019 2 Figure 1 OPTISPEED SYSTEM ARCHITECTURE MODEL VSD 351 WITHOUT HARMONIC FILTER SHOWN SIMILAR TO 270 292 424 MODELS INPUT BREAKER CONTROL TRANSFORMER INDUCTOR COOLING FANS COOLING COIL LD1316...

Page 20: ...ptiSpeed Compressor Drive Details FIGURE 1 OPTISPEED SYSTEM ARCHITECTURE MODEL VSD 351 WITHOUT HARMONIC FILTER SHOWN SIMILAR TO 270 292 424 MODELS CONT D COOLING FANS COOLING COIL GATE DRIVER BOARD IG...

Page 21: ...INPUT BREAKER Figure 2 OPTISPEED SYSTEM ARCHITECTURE MODEL LVD 419 SHOWN SIMILAR TO 385 503 608 658 704 AND 900 MODELS LD19199 COOLING COIL COOLING FAN SCR TRIGGER BOARD GATE DRIVER BOARD IGBT MODULE...

Page 22: ...LD23371a FILTER INDUCTOR FILTER ISSUES DCCTS FILTER SUPPLY CONTRACTOR FILTER PRE CHARGE CONTRACTOR FILTER PRE CHARGE RESISTORS FILTER TRAP ASSEMBLY 50 60 Hz INVERTER 50 Hz APPLICATIONS ONLY Figure 4...

Page 23: ...Details FORM 160 00 O4 ISSUE DATE 07 31 2019 2 LD23372a LINE VOLTAGE ISOLATION BOARD FILTER POWER MODULE FILTER POWER UNIT VSD POWER UNIT FIGURE 4 OPTISPEED SYSTEM ARCHITECTURE MODEL VSD 503 WITH HAR...

Page 24: ...tion 2 OptiSpeed Compressor Drive Details LD29320 FILTER TRAP CIRCUIT BREAKER FILTER INDUCTOR LINE INDUCTOR FILTER FUSES FILTER DCCTS FILTER SUPPLY CONTACTOR AIR COIL Figure 5 OPTISPEED SYSTEM ARCHITE...

Page 25: ...NG COIL FAN DRIVE OUTPUT CURRENT TRANSFORMER DRIVE POWER UNIT FILTER INPUT CURRENT TRANSFORMER SERVICE HOLE SCR TRIGGER BOARD FILTER LOGIC BOARD FILTER POWER UNIT DRIVE LOGIC BOARD FILTER LINE VOLTAGE...

Page 26: ...ompressor Drive Details LD29322 LINE INDUCTOR FILTER SUPPLY CONTACTOR AIR COIL FILTER PRE CHARGE CONTACTOR FILTER TRAP CIRCUIT BREAKER LINE VOLTAGE ISOLATION BOARD FILTER INDUCTOR Figure 6 OPTISPEED S...

Page 27: ...TE 07 31 2019 2 LD29323 FILTER INPUT CURRENT TRANSFORMER DRIVE POWER UNIT FILTER POWER UNIT SERVICE HOLE SCR TRIGGER BOARD DRIVE AND FILTER LOGIC BOARDS ARE MOUNTED ON THE RIGHT DOOR FIGURE 6 OPTISPEE...

Page 28: ...JOHNSON CONTROLS 28 FORM 160 00 O4 ISSUE DATE 07 31 2019 Section 2 OptiSpeed Compressor Drive Details Figure 7 VSD LOGIC BOARD LOCATED ON PANEL DOOR LD13165 Figure 8 SCR TRIGGER BOARD LD13166...

Page 29: ...Compressor Drive Details FORM 160 00 O4 ISSUE DATE 07 31 2019 2 LD29324 Figure 9 OPTIONAL HARMONIC FILTER LOGIC BOARD LOCATED ON PANEL DOOR Figure 10 GATE DRIVER BOARD AND POWER MODULE MODEL 351 SHOW...

Page 30: ...JOHNSON CONTROLS 30 FORM 160 00 O4 ISSUE DATE 07 31 2019 THIS PAGE INTENTIONALLY LEFT BLANK...

Page 31: ...ications link to the Control Center The Micro Board will interpret the shutdown code and display a shut down message on the display of the Control Cen ter After the coastdown period has timed out the...

Page 32: ...s and coolant pump on the OSCD will con tinue to run after the shutdown until the thermistor temperature has dropped below 165 F 74 C and the converter temperature is below 160 F 71 C This shut down r...

Page 33: ...ow for the shutdown threshold values A manual reset is required by pressing the Overtemp Reset pushbutton located on the Filter Logic board DRIVE HP RATING THRESHOLD SHUTDOWN VALUE 270 292 351 175 F 7...

Page 34: ...JOHNSON CONTROLS 34 FORM 160 00 O4 ISSUE DATE 07 31 2019 THIS PAGE INTENTIONALLY LEFT BLANK...

Page 35: ...out the chiller will automatically restart if the shutdown is no longer active Leave the Compressor Switch in the Run posi tion The chiller will start if no faults are active Table 4 CYCLING SHUTDOWN...

Page 36: ...ains jumpers along with wires from the output CTs The jumpers configure the OSCD logic board to the HP rating of the OSCD being used in this application in order to properly scale the output cur rent...

Page 37: ...are generated by the Control Center one via hardware and the second via the communications link Upon receipt of either of the two run signals by the OSCD logic board a 5 second timer will begin If the...

Page 38: ...o current flowing through the Direct Current Current Transducers DCCTs the DCCT s output voltages are measured and compared with a preset limit in the harmonic filter logic board If the measured value...

Page 39: ...c filter actually performs a voltage boost function This is neces sary in order to permit current to flow into the AC line from the harmonic filter when the AC line is at its peak level This particula...

Page 40: ...JOHNSON CONTROLS 40 FORM 160 00 O4 ISSUE DATE 07 31 2019 THIS PAGE INTENTIONALLY LEFT BLANK...

Page 41: ...DATA LOSS This message is displayed if the communications link between the OSCD logic and the harmonic filter logic or the ACC boards are interrupted for at least a peri od of 20 seconds This message...

Page 42: ...THIS PAGE INTENTIONALLY LEFT BLANK JOHNSON CONTROLS 42 FORM 160 00 O4 ISSUE DATE 07 31 2019...

Page 43: ...hes to continue to follow this practice we have no objections as long as the OSCD is properly grounded When is a Booster Pump required on a Retrofit OptiSpeed Compressor Drive Detailed information is...

Page 44: ...aced in Manual Speed when in VSD Service Mode Do I have a problem with my coolant The pink color is no longer visible The coolant normally has a pink or rose color when new After several months of ope...

Page 45: ...elsius multiply by 5 9 or 0 5556 Example 10 0 F range x 0 5556 5 6 C range Table 6 SI METRIC CONVERSION MEASUREMENT MULTIPLY ENGLISH UNIT BY FACTOR TO OBTAIN METRIC UNIT Capacity Tons Refrigerant Effe...

Page 46: ...Pennsylvania USA 17349 1 800 524 1330 Subject to change without notice Printed in USA Copyright by Johnson Controls 2019 www johnsoncontrols com ALL RIGHTS RESERVED Form 160 00 O4 719 Issue Date July...

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