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Quantech QTC4 STYLE A Series, Установка, эксплуатация и обслуживание

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QUANTECH

40

SECTION 4 - INSTALLATION

FORM  QTC4-NM1 

ISSUE DATE: 4/2/2018

VARIABLE PRIMARY FLOW 

Quantech recommends a maximum 10% per minute 

flow rate of change, based on design flow, for variable 

primary flow applications. Provide 8 to 10 gallons per 

chiller ton (8.6 to 10.8 liter per cooling KW) system wa-

ter volume. Insufficient system volume and rapid flow 

changes can cause control problems or can even cause 

chiller shutdowns. There are many other design issues 

to evaluate with variable primary flow systems. Consult 

your Quantech Sales Representative for more informa-

tion about successfully applying QTC4 chillers.

CONNECTION TYPES AND SIZES

For connection sizes relevant to individual models, re-

fer to 

SECTION 5 - TECHNICAL DATA

.

EVAPORATOR CONNECTIONS

Standard chilled liquid connections on evaporators are 

of the Victaulic Groove type.

LD10494

FIGURE 11 - 

VICTAULIC GROOVE

TABLE 3 - 

EVAPORATOR CONNECTIONS DIMEN-

SIONS

FRAME COND. EVAP.

VICTAULIC  

CONNECTIONS  

SIZE

NOMINAL 

DIAMETER

150

S

B

6"

DN150

165

H

B

6"

DN150

175

P

C

6"

DN150

185

S

A

6"

DN150

185

H

A

6"

DN150

185

P

B

6"

DN150

175

C

C

6"

DN150

210

S

A

6"

DN150

210

H

C

6"

DN150

210

P

C

6"

DN150

230

S

B

6"

DN150

240

H

C

6"

DN150

240

P

C

6"

DN150

260

S

B

6"

DN150

270

C

D

6"

DN150

270

S

D

6"

DN150

270

H

E

8"

DN200

270

P

E

8"

DN200

290

H

E

8"

DN200

300

S

C

6"

DN150

300

H

C

6"

DN150

310

P

E

8"

DN200

315

P

E

8"

DN200

320

S

E

8"

DN200

330

S

C

6"

DN150

340

S

E

8"

DN200

340

H

E

8"

DN200

370

P

J

8"

DN200

370

S

F

8"

DN200

370

H

J

8"

DN200

400

P

J

8"

DN200

405

S

H

8"

DN200

410

H

H

8"

DN200

410

P

J

8"

DN200

450

S

G

8"

DN200

490

H

J

8"

DN200

460

S

G

8"

DN200

470

C

K

8"

DN200

480

C

J

8"

DN200

500

S

J

8"

DN200

* Reference 

Figure 12 on Page 41

 for flange dimensions.

Содержание QTC4 STYLE A Series

Страница 1: ...ON OPERATION MAINTENANCE Supersedes QTC4 NM1 318 Form QTC4 NM1 418 HFC 134A LD18970 150 500 TONS 525 1750 KW 2 COMPRESSOR 60 HZ MODEL QTC4 STYLE A AIR COOLED SCREW LIQUID CHILLERS WITH VARIABLE SPEED...

Страница 2: ...ocument 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 question...

Страница 3: ...e These revisions are to technical in formation and any other changes in spelling grammar or formatting are not included The Control VSD Cabinet contains lethal high AC and DC voltages Before per form...

Страница 4: ...crew C4 Air Cooled Design Series Model Number Configuration S Condenser Code X Evaporator Code X Compressor Code X Condenser Fan Sound Kit Code QTC4 SXXX 46 AA Level Refrigerant A Refrigerant R134a B...

Страница 5: ...Labels 14 SECTION 2 PRODUCT DESCRIPTION 15 General System Description 15 Semi Hermetic Quantech Twin Screw Compressors 17 Evaporator 17 Condenser 17 Refrigerant Circuit 17 Electrical 17 Building Auto...

Страница 6: ...ower Supply Wiring 42 115VAC Control Supply Transformer 42 Control Wiring 42 Volts Free Contacts 42 Chilled Liquid Pump Starter 42 Run Contact 42 Alarm Contacts 42 System Inputs 42 Flow Switch 42 Remo...

Страница 7: ...t and Remote Offset 93 First Time Start Up 93 Interlocks 93 Unit Switch 93 Startup 93 Oil Pressure 93 Loading 93 Condenser and Fan Rotation 93 System Charge 93 General Operation 93 Operation in Sub fr...

Страница 8: ...ty Fault Operation 110 High Discharge Pressure Cutout Software Fault 110 High Discharge Pressure Cutout HPCO Hardware Fault 111 Low Suction Pressure Cutout Software Fault 111 Low Motor Current Cutout...

Страница 9: ...ressor Oil Level 149 Refrigerant Charge 149 Adding Charge to a System 149 Refrigerant Removal Evacuation and Charging a QTC4 Chiller 150 Refrigerant Removal 150 Evacuating a System 150 Charging Refrig...

Страница 10: ...l Lug Data 47 TABLE 5 Physical Data Microchannel Coil 58 TABLE 6 Physical Data Round Tube Coil 62 TABLE 7 Optional One Pass Evaporator 64 TABLE 8 Standard Two Pass Rear Inlet Outlet Evaporator 68 TABL...

Страница 11: ...f the contract The warranty is limited to parts only replacement and shipping of any faulty part or sub assembly which has failed due to poor quality or manufacturing errors All claims must be support...

Страница 12: ...ntrary to the relevant procedures may result in injury to the operator or damage to the equipment The unit must not be operated outside the design parameters specified in this manual Structural Suppor...

Страница 13: ...lectromagnetic Compatibility of both equipment and installation as a system Rotating Parts Fan guards must be fitted at all times and not removed unless the power supply has been isolated If ductwork...

Страница 14: ...ation read the Instructions first Black symbol on yellow background Warning This machine may start auto matically without prior warning Black symbol on yellow background Warning Hot surface Black symb...

Страница 15: ...TION The QTC4 chiller combines the best of modern screw compressor design with the latest technology in variable speed drives The result is superior control and efficiency in real world conditions The...

Страница 16: ...ad and the com pressors to the speed requested by the chiller micro processor The basic system control and VSD system architecture is shown in Figure 2 on Page 16 Figure 2 CHILLER CONTROL SYSTEM LD150...

Страница 17: ...providing vertical air discharge from extended orifices for efficiency and low sound Fan motors are Totally Enclosed Air Over TEAO squirrel cage type and current protected The direct drive motors fea...

Страница 18: ...ture LCWT to the user defined setpoint Factors that may cause the system s actual LCWT to fluctuate are changes in ambient temperature loop flow rate load and loop volume The control system reacts to...

Страница 19: ...ease contact your local Quantech Sales Representative for more information High Airflow Fans The chiller is equipped with con denser fans with airfoil type blades and high power mo tors providing extr...

Страница 20: ...capacity requirements Building Automation System Interface Tempera ture Factory installed option to accept a 4 to 20mA or a 0 to 10VDC input to allow remote reset of the Leaving Chilled Liquid Temper...

Страница 21: ...ect Switch Unit mounted disconnect switch with external lockable handle can be supplied to isolate the unit power voltage for servicing Separate external fusing must be supplied by the power wiring wh...

Страница 22: ...QUANTECH 22 FORM QTC4 NM1 ISSUE DATE 03 07 2018 THIS PAGE INTENTIONALLY LEFT BLANK...

Страница 23: ...20 NM7 The condensers should be covered to protect the coils and fins from potential damage and corrosion particularly where building work is in progress The unit should be stored in a location where...

Страница 24: ...the professional written rigging plan to lift the unit LD19197a Figure 4 LIFT LUG TO REMOVE UNIT FROM SHIPPING CONTAINER LIFTING USING SHACKLES The shackles should be inserted into the respective hol...

Страница 25: ...SECTION 3 RIGGING HANDLING AND STORAGE QUANTECH 25 FORM QTC4 NM1 ISSUE DATE 03 07 2018 THIS PAGE INTENTIONALLY LEFT BLANK...

Страница 26: ...143 227 272 mm 464 1533 3636 5761 6920 185 P B Rigging Hole Location inches 18 60 137 215 302 mm 464 1533 3484 5455 7670 175 C C Rigging Hole Location inches 18 60 131 214 mm 464 1518 3332 5430 210 S...

Страница 27: ...es 18 60 143 227 272 mm 464 1533 3636 5761 6920 185 P B Rigging Hole Location inches 18 60 137 215 302 mm 464 1533 3484 5455 7670 175 C C Rigging Hole Location inches 60 131 214 mm 1518 3332 5430 210...

Страница 28: ...0 S D Rigging Hole Location inches 12 73 121 181 264 324 mm 314 1845 3073 4601 6717 8217 270 H E Rigging Hole Location inches 12 73 121 181 264 324 mm 314 1845 3073 4601 6717 8218 270 P E Rigging Hole...

Страница 29: ...70 S D Rigging Hole Location inches 12 73 121 181 264 324 mm 314 1845 3073 4601 6717 8218 270 H E Rigging Hole Location inches 12 73 121 181 264 324 mm 314 1845 3073 4601 6717 8218 270 P E Rigging Hol...

Страница 30: ...4 306 391 mm 314 1845 4144 6443 7765 9942 340 S E Rigging Hole Location inches 12 73 121 181 243 296 391 mm 314 1845 3073 4602 6170 7511 9942 340 H E Rigging Hole Location inches 12 73 121 181 243 353...

Страница 31: ...4 306 391 mm 314 1845 4144 6443 7765 9942 340 S E Rigging Hole Location inches 12 73 121 181 243 296 391 mm 314 1845 3073 4602 6170 7511 9942 340 H E Rigging Hole Location inches 12 73 121 181 243 353...

Страница 32: ...435 478 545 mm 314 1845 4602 6039 7662 11059 12135 13835 490 H J Rigging Hole Location inches 12 73 181 238 290 435 494 572 mm 314 1845 4602 6039 7358 11059 12546 14541 460 S G Rigging Hole Location...

Страница 33: ...2 73 181 238 290 435 478 545 mm 314 1845 4602 6039 7358 11059 12135 13835 490 H J Rigging Hole Location inches 12 73 181 238 290 435 494 572 mm 314 1845 4602 6039 7358 11059 12546 14541 460 S G Riggin...

Страница 34: ...QUANTECH 34 FORM QTC4 NM1 ISSUE DATE 03 07 2018 THIS PAGE INTENTIONALLY LEFT BLANK...

Страница 35: ...ons Mounting holes 5 8 are provided in the base rails for bolting the unit to its foundation Refer to Table 10 on Page 78 for location of the mounting holes Any ductwork or attenuators fitted to the u...

Страница 36: ...144 3658 175 C C 26 663 36 914 156 3962 210 S A 26 663 36 914 156 3962 210 H C 26 663 36 914 156 3962 210 P C 26 663 36 914 156 3962 230 S B 26 663 36 914 132 3353 240 H C 26 663 36 914 156 3962 240...

Страница 37: ...2 and 13 on the 1TB terminal block A flow switch is required to prevent damage to the evaporator caused by the unit operating without ad equate liquid flow The flow switch used must have gold plated...

Страница 38: ...g factor of 0 018m2 hr C kW 0 0001 ft2hr F Btu Dirt scale grease and certain types of wa ter treatment will adversely affect the heat exchanger surfaces and therefore the unit performance Foreign matt...

Страница 39: ...he evaporator s maximum allowable the chilled water can be recirculated to the load THERMAL STORAGE Thermal storage is the practice of storing cooling ener gy during a period of little or no load and...

Страница 40: ...TOR CONNECTIONS Standard chilled liquid connections on evaporators are of the Victaulic Groove type LD10494 Figure 11 VICTAULIC GROOVE Table 3 EVAPORATOR CONNECTIONS DIMEN SIONS FRAME COND EVAP VICTAU...

Страница 41: ...h valve Valve types should not be mixed on a common pipe Precautions should be taken to ensure the outlets of relief valves or relief valve vent pipes remain clear of obstructions at all times ELECTRI...

Страница 42: ...power unless alternate means are taken to ensure op eration of the control panel evaporator heater mat and waterbox heaters CONTROL WIRING All control wiring utilizing contact closures to the con trol...

Страница 43: ...able contacts connected to Terminals 2 and 14 of 1TB will cause a hard copy printout of Operating Data Fault History to be made if an optional printer is connected to the RS 232 port The remote print...

Страница 44: ...uit Breaker size varies on chillers based upon model and options ordered Consult YorkWorks or the chiller data plate for electrical data on a specific chiller Voltage Utilization Range RATED VOLTAGE U...

Страница 45: ...SECTION 4 INSTALLATION QUANTECH 45 FORM QTC4 NM1 ISSUE DATE 4 2 2018 4 LD18589 Dual Point Wiring 2 Figure 14 DUAL POINT POWER WIRING...

Страница 46: ...No 1 RUN PERM SYS No 2 RUN PERM FLOW SWITCH SF PRINT PNT LEGEND TERMINAL BLOCK FOR CUSTOMER CONNECTIONS TERMINAL BLOCK FOR QUANTECH CONNECTIONS WIRING AND COMPONENTS BY QUANTECH OPTIONAL EQUIPMENT WI...

Страница 47: ...3 2 600 kcmil 400 50 2 2 600 kcmil 2 1 500 kcmil 3 2 600 kcmil 460 60 2 2 600 kcmil 2 1 500 kcmil 2 2 600 kcmil 575 60 2 2 600 kcmil 2 1 500 kcmil 2 2 600 kcmil 185 H A 200 60 4 2 600 kcmil 230 60 4 2...

Страница 48: ...l 400 50 3 2 600 kcmil 3 3 0 400 kcmil 3 2 600 kcmil 460 60 2 2 600 kcmil 2 1 500 kcmil 3 2 600 kcmil 575 60 2 2 600 kcmil 2 1 500 kcmil 2 2 600 kcmil 185 H A 200 60 4 1 0 700 kcmil 230 60 4 2 600 kcm...

Страница 49: ...kcmil 400 50 3 2 600 kcmil 3 3 0 400 kcmil 3 2 600 kcmil 460 60 2 2 600 kcmil 2 1 500 kcmil 3 2 600 kcmil 575 60 2 2 600 kcmil 2 1 500 kcmil 2 2 600 kcmil 260 S B 200 60 4 2 600 kcmil 230 60 4 2 600...

Страница 50: ...kcmil 3 2 600 kcmil 460 60 3 2 600 kcmil 3 3 0 400 kcmil 3 2 600 kcmil 575 60 2 2 600 kcmil 2 1 500 kcmil 2 2 600 kcmil 260 S B 200 60 4 1 0 700 kcmil 230 60 4 2 600 kcmil 4 4 0 500 kcmil 380 60 3 2...

Страница 51: ...500 kcmil 4 2 600 kcmil 400 50 3 2 600 kcmil 4 4 0 500 kcmil 3 2 600 kcmil 460 60 3 2 600 kcmil 3 3 0 400 kcmil 3 2 600 kcmil 575 60 3 2 600 kcmil 3 3 0 400 kcmil 3 2 600 kcmil 315 P E 200 60 230 60...

Страница 52: ...2 600 kcmil 4 4 0 500 kcmil 4 2 600 kcmil 460 60 3 2 600 kcmil 4 4 0 500 kcmil 3 2 600 kcmil 575 60 3 2 600 kcmil 3 3 0 400 kcmil 3 2 600 kcmil 315 P E 200 60 230 60 380 60 4 2 600 kcmil 4 4 0 500 kcm...

Страница 53: ...400 kcmil 3 3 0 400 kcmil 400 50 3 2 600 kcmil 3 3 0 400 kcmil 3 3 0 400 kcmil 460 60 2 2 600 kcmil 2 1 500 kcmil 2 1 500 kcmil 575 60 2 2 600 kcmil 2 1 500 kcmil 2 1 500 kcmil 405 S H 200 60 230 60 3...

Страница 54: ...kcmil 3 3 0 400 kcmil 3 3 0 400 kcmil 460 60 2 2 600 kcmil 3 3 0 400 kcmil 3 3 0 400 kcmil 575 60 2 2 600 kcmil 2 1 500 kcmil 2 1 500 kcmil 405 S H 200 60 230 60 380 60 3 2 600 kcmil 3 3 0 400 kcmil...

Страница 55: ...2 1 500 kcmil 575 60 2 2 600 kcmil 2 1 500 kcmil 2 1 500 kcmil 470 C K 200 60 230 60 380 60 3 2 600 kcmil 3 3 0 400 kcmil 3 3 0 400 kcmil 400 50 3 2 600 kcmil 3 3 0 400 kcmil 3 3 0 400 kcmil 460 60 2...

Страница 56: ...QUANTECH 56 FORM QTC4 NM1 ISSUE DATE 03 07 2018 THIS PAGE INTENTIONALLY LEFT BLANK...

Страница 57: ...all the tables of this section is ap plicable to selected typical configurations Other con figurations are available through our configuration selection software Please contact your nearest Quantech...

Страница 58: ...ssis Dimensions Length inches mm 203 3 5163 247 2 6280 291 2 7397 247 6274 291 2 7397 335 2 8514 226 5741 291 2 7397 291 2 7397 335 2 8514 Chassis Dimensions Width inches mm 88 3 2242 88 3 2242 88 3 2...

Страница 59: ...oad 10 Chassis Dimensions Length inches mm 291 2 7397 335 2 8514 379 1 9631 335 2 8514 291 2 7397 335 2 8514 335 2 8514 379 2 9631 379 2 9631 379 2 9631 Chassis Dimensions Width inches mm 88 3 2242 88...

Страница 60: ...Load 10 Chassis Dimensions Length inches mm 423 1 10748 423 1 10748 467 1 11865 379 2 9631 423 1 10748 423 1 10748 467 1 11865 511 12979 467 1 11864 Chassis Dimensions Width inches mm 88 3 2242 88 3...

Страница 61: ...5 94 7 2405 94 7 2405 94 7 2405 94 7 2405 94 6 2403 94 7 2405 94 7 2405 COMPRESSORS SEMI HERMETIC SCREW Qty per Chiller 2 CONDENSER FANS Number Ckt 1 Ckt 2 13 7 14 10 12 8 14 10 14 12 12 12 13 13 13 1...

Страница 62: ...403 94 6 2403 94 6 2403 94 6 2403 94 6 2403 94 6 2403 94 6 2403 94 6 2403 COMPRESSORS SEMI HERMETIC SCREW Qty per Chiller 2 CONDENSER FANS Number Ckt 1 Ckt 2 4 4 6 4 4 4 6 6 7 5 7 7 6 6 7 7 9 7 Air on...

Страница 63: ...94 6 2403 94 6 2403 94 6 2403 94 7 2405 94 7 2405 94 7 2405 94 7 2405 94 6 2403 94 7 2405 94 7 2405 COMPRESSORS SEMI HERMETIC SCREW Qty per Chiller 2 CONDENSER FANS Number Ckt 1 Ckt 2 8 8 9 9 9 9 13 7...

Страница 64: ...185 S 19 8 503 17 7 450 56 8 1443 6 48 182 400 25 1230 77 185 H 19 8 503 61 5 1562 56 7 1425 6 48 182 400 25 1230 77 185 P 21 533 117 3 2979 56 1 1425 8 56 220 500 32 1970 124 175 C 20 8 528 1 7 43 38...

Страница 65: ...260 S 21 533 117 1 2974 56 1 1425 8 58 220 500 32 1970 124 270 C 21 533 16 8 427 51 9 1318 8 82 310 590 37 2190 138 270 S 21 533 42 9 1090 70 1778 8 82 310 590 37 2190 138 270 H 22 5 572 44 7 1135 71...

Страница 66: ...3200 202 330 S 21 533 166 9 4239 70 1778 8 71 269 590 37 2190 138 340 S 22 5 572 132 6 3368 71 8 1824 10 113 428 810 51 3200 202 340 H 22 5 572 176 21 4476 71 8 1824 10 113 428 810 51 3200 202 370 P...

Страница 67: ...0 69 3420 215 450 S 22 3 566 287 1 7292 94 2 2393 10 96 363 840 53 3320 209 490 H 23 3 592 308 4 7833 71 5 1816 10 147 556 1090 69 3420 215 460 S 22 3 566 331 2 8412 94 2 2393 10 96 363 840 53 3320 20...

Страница 68: ...50 185 H 14 1 358 11 4 290 61 5 1562 6 56 7 1440 48 182 200 13 790 50 185 P 15 3 389 11 4 290 117 3 2979 6 56 1 1425 58 220 250 16 980 62 175 C 15 1 384 11 4 290 1 7 43 6 38 1 968 71 269 300 19 1170 7...

Страница 69: ...62 270 C 15 3 388 11 4 290 16 8 427 6 51 9 1318 82 310 300 19 1170 74 270 S 15 3 389 11 4 290 42 9 1090 6 70 1778 82 310 300 19 1170 74 270 H 15 5 394 14 356 44 3 1125 8 71 8 1824 113 428 410 26 1600...

Страница 70: ...9 11 4 290 166 9 4239 6 83 4 2118 71 269 300 19 1170 74 340 S 15 5 394 14 356 132 2 3358 8 83 4 2118 113 428 410 26 1600 101 340 H 15 5 394 14 356 176 2 4475 8 83 4 2118 113 428 410 26 1600 101 370 P...

Страница 71: ...0 287 1 7292 282 5 7177 8 94 2 2393 89 7 2278 96 363 420 26 1660 105 490 H 16 3 414 14 356 308 4 7833 8 71 5 1816 147 556 550 35 2160 136 460 S 15 8 401 13 330 331 2 8412 326 6 8296 8 94 2 2393 89 7 2...

Страница 72: ...5 H 14 1 358 25 5 648 61 5 1562 56 7 1440 5 48 182 130 8 520 33 185 P 15 3 389 26 7 678 117 3 2979 56 1 1425 5 58 220 170 11 650 41 175 C 15 1 384 26 53 674 1 7 43 38 1 968 6 71 269 200 13 780 49 210...

Страница 73: ...S 15 3 389 26 7 678 117 1 2974 56 1 1425 5 58 220 170 11 650 41 270 C 15 3 388 26 7 678 16 8 427 51 9 1318 6 82 310 200 13 780 49 270 S 15 3 389 26 7 678 42 9 1090 70 1778 6 82 310 200 13 780 49 270...

Страница 74: ...389 26 7 678 166 9 4239 70 1778 6 71 269 200 13 780 49 340 S 15 5 394 29 5 749 132 6 3368 71 8 1824 6 113 428 270 17 1060 67 340 H 15 5 394 29 5 749 176 2 4475 71 8 1824 6 113 428 270 17 1060 67 370...

Страница 75: ...15 8 401 28 8 732 287 1 7292 94 2 2393 6 94 356 280 18 1100 69 490 H 16 3 414 30 3 770 308 4 7833 71 5 1816 8 147 556 370 23 1440 91 460 S 15 8 401 28 8 732 331 2 8412 94 2 2393 6 94 356 280 18 1100 6...

Страница 76: ...ENSIONS A PIPE WATER OUTLET A PIPE WATER INLET C B POWER ENTRY 10 254 mm WIDE X 13 330 mm HIGH VIEW B B VIEW A A CONTROL ENTRY 3 0 76 mm WIDE X 11 5 292 mm HIGH LD16178 VSD CONTROL PANEL 88 3 2242 mm...

Страница 77: ...SECTION 5 TECHNICAL DATA QUANTECH 77 FORM QTC4 NM1 ISSUE DATE 03 07 2018 THIS PAGE INTENTIONALLY LEFT BLANK...

Страница 78: ...2997 157 3982 208 5295 281 7132 Isolator Y Dimension 1 34 185 P B Isolator X Dimension 10 263 76 1943 118 3000 157 3985 209 5299 308 7823 Isolator Y Dimension 1 34 175 C C Isolator X Dimension 10 263...

Страница 79: ...7 2206 185 P B Isolator X Dimension 10 263 76 1943 118 3000 157 3985 209 5299 308 7823 Isolator Y Dimension 87 2206 175 C C Isolator X Dimension 10 263 76 1943 118 3000 157 3985 209 5299 281 7136 Isol...

Страница 80: ...095 201 5105 298 7582 339 8609 Isolator Y Dimension 1 34 290 H E Isolator X Dimension 10 263 81 2057 161 4095 201 5105 296 7512 339 8609 Isolator Y Dimension 1 34 300 S C Isolator X Dimension 10 263 8...

Страница 81: ...01 5105 298 7582 339 8609 Isolator Y Dimension 87 2206 290 H E Isolator X Dimension 10 263 81 2057 161 4095 201 5105 296 7512 339 8609 Isolator Y Dimension 87 2206 300 S C Isolator X Dimension 10 263...

Страница 82: ...nsion 10 254 81 2057 145 3680 206 5219 284 7218 427 10842 483 12274 539 13694 Isolator Y Dimension 1 34 410 P J Isolator X Dimension 10 260 81 2054 145 3677 205 5216 284 7215 427 10839 505 12817 562 1...

Страница 83: ...843 Isolator Y Dimension 87 2206 410 H H Isolator X Dimension 10 254 81 2057 145 3680 206 5219 284 7218 427 10842 483 12274 539 13694 Isolator Y Dimension 87 2206 410 P J Isolator X Dimension 10 260 8...

Страница 84: ...s match the equipment mounting holes The VMC group rec ommends that the isolator base A be installed on a level surface Shim or grout as required leveling all isolator bases to the same elevation 0 03...

Страница 85: ...S L W HF AL AD BT CD DW RD1 WR 3 13 1 75 1 25 2 38 0 34 0 19 5 16 18 UNC X 3 4 1 25 RD2 WR 3 88 2 38 1 75 3 00 0 34 0 22 3 8 16 UNC X 1 1 75 RD3 WR 5 50 3 38 2 88 4 13 0 56 0 25 1 2 13 UNC X 1 2 50 RD...

Страница 86: ...tor base B be installed on a level surface Shim or grout as required leveling all isolator bases to the same elevation 0 25 inch maximum difference can be tolerated 3 Bolt or anchor all isolators to s...

Страница 87: ...D 900 DARK GREEN 435 thru 765 198 thru 347 029 25334 003 CP 1D 1200 GRAY 766 thru 1020 348 thru 463 029 25334 004 CP 1D 1360 WHITE 1021 thru 1156 464 thru 524 029 25334 005 CP 1D 1785N GRAY RED 1157 t...

Страница 88: ...ousing These shims must be in place when the equipment is positioned over the isolators 5 With all shims E in place position equipment on top of plate A of isolator Bolt equipment securely to top plat...

Страница 89: ...gned for 50 overload capacity with exception of the 029 25336 013 and 029 25336 014 4 Contact your nearest Quantech Sales Representative for concrete installation Y2RS MODEL NUMBER WEIGHT RANGE LBS WE...

Страница 90: ...QUANTECH 90 FORM QTC4 NM1 ISSUE DATE 03 07 2018 THIS PAGE INTENTIONALLY LEFT BLANK...

Страница 91: ...ing for several minutes at full speed with the system stable Stable conditions are defined as operation without fan cycling economizer cycling VI solenoid cycling or any other system transient condi t...

Страница 92: ...e evaporator The inlet should be at the bottom connection on a two pass evapo rator Purge air from the top of the evaporator using the plugged air vent mounted on the top of the evaporator body Flow r...

Страница 93: ...of the fault Oil Pressure When a compressor starts press the relevant System Pressures key and verify that oil differential pressure oil pressure suction pressure develops immediately If oil pressure...

Страница 94: ...warranty Unit Maintenance and Shutdown in Sub freezing Conditions If the QTC4 is maintained or shut down and will be subjected to sub freezing conditions it is critical to protect against evaporator...

Страница 95: ...utilizes an overlay to convert the keypad to various languages LD21850 UNIT SWITCH KEYPAD DISPLAY Figure 17 KEYBOARD AND DISPLAY The keypad also contains keys in the center section for data entry in t...

Страница 96: ...y will appear for 2 seconds indicating the user must choose between accepting or canceling the change XXXXXXXXXXX PRESS TO ACCEPT VALUE OR X TO CANCEL DATA ENTRY If the ENTER key was pressed from the...

Страница 97: ...s permit ted to run Remote Run Stop A Remote Run Stop input is available for each system BASIC OPERATING SEQUENCE Start Sequence and Loading To initiate the start sequence of the chiller the follow in...

Страница 98: ...efer to Figure 18 on Page 99 to locate the follow ing ports of the 03478 microboard Power Supplies and LEDs The 03478 has LEDs to indicate various states of operation of the microboard STATUS Flashes...

Страница 99: ...Power LED 11 Port 2 RX2 TX2 16 Port 1 Native BAS 2 TP2 3 3V 7 Status LED 12 PORT 2 RS 232 Printer or Modbus 17 TP1 GND 3 SD Card 8 Power LED 13 VSD RX VSD TX 18 TP4 12V 4 JP4 JP5 JP6 Remote Setpoint...

Страница 100: ...Connect the BACnet MS TP Network to Port 1 on the IPU II I O Board 2 Set up the QTC4 Port 1 P1 for BACnet Communications as shown in Figure 18 on Page 99 To access the Port communication parameters 1...

Страница 101: ...o 0 3 P1 Protocol Set to API 4 P2 Protocol Set to Modbus Server 5 P2 Manual MAC Address Set to 0 127 as required by Modbus network 6 P2 Baud rate Set to 19 2K or as required by the Modbus network 7 P2...

Страница 102: ...ONS CARD ERROR NUMBER DESCRIPTION 0 ALL OK 1 DATUM TYPE OK TEST FAILED 2 ENGLISH TEXT TOO LONG 3 FLOATING POINT EXCEPTION 4 GET PACKET FAILED 5 GET TYPE FAILED 6 INVALID UNIT CONVERSION 7 INVALID HARD...

Страница 103: ...itted Data After receiving a valid transmission from the SC EQ or E Link the chiller will transmit either operational data or history buffer data depending on the History Buffer Request Data must be t...

Страница 104: ...unt count Sys 1 Operating Hours S 25 S2_OP_HRS AI21 534 03 04 X1 ADF 25 count count Sys 2 Operating Hours S 26 S1_COMP_ST AI22 535 03 04 X1 ADF 26 count count Sys 1 Compressor Starts S 27 S2_COMP_ST A...

Страница 105: ...1 0 1 0 1 Sys 1 VI Step Solenoid Valve 1 Status 0 Off 1 On S 70 S2_VI_STEP1 BI8 1289 01 02 03 n a BD 12 0 1 0 1 Sys 2 VI Step Solenoid Valve 1 Status 0 Off 1 On S 71 S1_VI_STEP2 BI9 1290 01 02 03 n a...

Страница 106: ...1 Motor Current Limiting 15 VSD Power Supply Fault 82 Free Cooling 16 VSD Logic Board Fault 83 ISN Motor Current Limiting 17 Motor Current Overload Hardware 84 Remote Motor Current Limiting 18 CT Plug...

Страница 107: ...le The folder named RM201503 is a folder created in March of 2015 Within this folder would be a file for E Link SW2 RS 485 Biasing Switch for E link Port 2 should be in the OFF position TB2 is the Por...

Страница 108: ...analysis or email the file to someone The files are saved as a CSV format which can be read by Excel Below is a sample of some of the data imported from a QTC4 Chiller Once the file is read in to Exce...

Страница 109: ...olled ramped shutdown Restart will automatically occur if demand allows when temperature falls 1 1 C 2 F below the cutout 52 9 C 128 F This fault cannot cause a lock out The fault display message will...

Страница 110: ...ecycle timer times out In the descriptions of the fault displays that follow the fault message will show a YYYYYYYY to indi cate that a system is in a FAULT condition and will restart when the fault c...

Страница 111: ...pres sure falls below the ramped cutout point the system will shut down with a controlled ramped shutdown The cutout pressure during operating periods of 30 seconds to 210 seconds is ramped and can b...

Страница 112: ...p on a nuisance low oil differential fault High Discharge Temperature Cutout Fault The High Discharge Temperature Cutout protects the motor and compressor from overheating A system will fault and shut...

Страница 113: ...Pressure Cutout is set at 24 0 PSIG Suction pressure load limiting is active at startup to only prevent loading of the compressors Suction pres sure limit unloading will not occur until the system ru...

Страница 114: ...lost The safety will not shut down a system if the UNIT switch is OFF which electrically removes the 115VAC to all systems The safety is only used to indicate a situation where a single system is miss...

Страница 115: ...e will be displayed for 2 seconds followed by the appropriate general status message C 2004 JOHNSON CONTROLS INTERNATIONAL C XXX XX XX 18 SEPT 2010 12 45 AM Unit status messages occupy 2 lines of the...

Страница 116: ...ssage indicates the system is not running be cause the chilled liquid is below the setpoint or the mi cro has not loaded the lead system far enough into the loading sequence to bring the lag system ON...

Страница 117: ...LIMITING The VSD Baseplate Temp Limiting message indicates the VSD Baseplate temp is high and load limit or un loading is in effect SYS X VSD INTERNAL AMBIENT TEMP LIMITING The VSD Internal Ambient Te...

Страница 118: ...LOAD TIMER XXX SEC The next key press displays the error in temperature between the actual leaving chilled liquid temperature and the setpoint temperature The display also shows the rate of change of...

Страница 119: ...oviding re mote control The chiller is in remote mode ISN YorkTalk via ISN The chiller in remote mode CURR Remote Current Limiting is enabled TEMP Remote Temperature Reset is enabled SOUND Remote Soun...

Страница 120: ...all of the measured system pressures oil and dis charge SYS 1 PRESSURES OIL XXXX PSIG DISCHARGE XXXX PSIG The second key press of the SYSTEM DATA key or the DOWN ARROW key displays system suction and...

Страница 121: ...play will indicate fan speed signal control voltage to the VSD and the fan speed 0 to 100 SYS 1 CONDENSER FANS ON X VSD FAN SPEED XX X V XXX The next key press will indicate the state of the op tiona...

Страница 122: ...rg Flash Tank Level Switch Low High Condenser Liquid Temp Thermistor 4 1 F 20 06 C 155 6 F 68 67 C Leaving Chilled Liquid Temp Thermistor 19 1 F 28 49 C 110 2 F 43 44 C Return Chilled Liquid Temp Ther...

Страница 123: ...values set locally on the panel under the PROGRAM key re motely by an ISN and remotely by the Current Limit input Any current limits that are inactive will display XXX instead of a numeric value VSD...

Страница 124: ...G HOURS START COUNTER KEY Compressor operating hours and compressor starts are displayed with a single key press The maximum value for both hours and starts is 99 999 at which point they will roll ove...

Страница 125: ...ns Once the selection is made the ENTER key must be pressed to enter the selection Normal Shutdowns History If the NORMAL SHUTDOWNS History is selected the following screen will be displayed NORM HIST...

Страница 126: ...o the first piece of data in the next subgroup The arrow key allows going to the previous display Listed below is a description of the fault data displays and their meaning Data will be displayed in a...

Страница 127: ...This message indicates the status of the evaporator pump and the evaporator heater at the time of the fault XXX indicates ON or OFF Active Remote Control Status UNIT ACTIVE REMOTE CONTROL XXXXXX This...

Страница 128: ...ge displays the measured system suction and condenser liquid line pressure at the time of the fault System 1 Temperatures SYS 1 TEMPERATURES OIL XXX X F EDUCTOR XXX X F This message displays the measu...

Страница 129: ...compressor operating hours and compressor starts at the time of the fault Chilled Liquid Setpoint Cooling Setpoints SETPOINTS LOCAL COOLING SETPOINT XXX X F This message displays the programmed cooli...

Страница 130: ...XXXXXXXXXXX This message indicates whether remote sound limit was active or disabled at the chiller keypad at the time of the fault and if active the type of reset signal selected If the option is no...

Страница 131: ...ot factory activated the display will not appear Eductor Differential Temperature PROGRAM DEF XXXXX LO XXXXX HI XXXXX EDUCTOR DIFFERENTIAL XXX F This message indicates the programmed eductor dif feren...

Страница 132: ...INTS key or the ARROW key a third time will display the remote setpoint and cool ing range This display automatically updates about every 2 seconds This remote setpoint message is show below SETPOINTS...

Страница 133: ...iquid Setpoint Water Cooling 40 0 F 60 0 F 44 0 F 4 4 C 15 6 C 6 7 C Glycol Cooling 15 0 F 70 0 F 44 0 F 9 4 C 15 6 C 6 7 C Leaving Chilled Liquid Control Range 1 5 F 2 5 F 2 0 F 0 8 C 1 4 C 1 1 C Max...

Страница 134: ...ng the user is in the pro gram mode PROGRAM MODE XXXX PRESS ENTER KEY TO CONTINUE Pressing the ENTER key again will display the first programmable selection Suction Pressure Cutout PROGRAM DEF XXXXX L...

Страница 135: ...lldown limiting for a defined period of time for the purpose of peak time energy savings The pulldown limit point is programmable from 0 to 255 with a de fault of 0 Min Subcooling Setpoint PROGRAM DEF...

Страница 136: ...a rise in motor temperature due to a lack of compressor cooling If the temperature rises above the programmed threshold the system will unload the compressor by reducing speed An unload temperature o...

Страница 137: ...ge is provided below Display Language Selection The display language can be selected for English Ital ian Polish Hungarian German French Portuguese and Spanish OPTIONS DISPLAY LANGUAGE XXXXXXXXXXXXXXX...

Страница 138: ...witching the lead compressor whenever all compressors are shut OFF If a compressor is not able to run when the mi croprocessor attempts a start the microprocessor will select another compressor in an...

Страница 139: ...Selections may be made for DISABLED no signal 0 to 10VDC 2 to 10VDC 0 to 20ma and 4 to 20ma OPTIONS REMOTE SOUND LIMIT INPUT DISABLED OPTIONS REMOTE SOUND LIMIT INPUT 0 0 TO 10 0 VOLTS DC OPTIONS REM...

Страница 140: ...the UP ARROW key scrolls to the previous item The day of the week is the first display and can be changed by pressing either the or LEFT OR RIGHTARROW key to select the day After the day is selected t...

Страница 141: ...e data Schedule Key Operation The Daily Schedule must be programmed for the unit start and stop times To set the schedule press the SCHEDULE key The display will provide a message allowing access to 2...

Страница 142: ...le must be programmed weekly If there is no holiday the key is also used to delete the The ENTER key is used to accept the holiday schedule for the entire week The HOLIDAY SCHEDULE is a tem porary sch...

Страница 143: ...ing ignored and the chiller will start when chilled liquid temperature allows Remote Con tacts UNIT switch and SYSTEM switches permitting This is a priority message and cannot be overridden by anti re...

Страница 144: ...the CANCEL PRINTING option The fol lowing message is displayed when the PRINT key is pressed PRINT CHOOSE PRINT REPORT XXXXXXXXXXXXXXXXXXXXX After pressing the PRINT key the printout type is selected...

Страница 145: ...CURRENT LIMIT 100 FLA PULLDOWN CURRENT LIMIT 100 FLA PULLDOWN LIMIT TIME 0 MIN SUBCOOLING SETPOINT 12 0 DEGF UNIT ID NUMBER 0 SOUND LIMIT SETPOINT 100 If Sound Limiting enabled UNIT DATA LEAVING LIQUI...

Страница 146: ...00AM STOP 00 00AM FRI START 00 00AM STOP 00 00AM SAT START 00 00AM STOP 00 00AM HOL START 00 00AM STOP 00 00AM SOUND LIMIT SCHEDULE if enabled MON START 00 00AM STOP 00 00AM TUE START 00 00AM STOP 00...

Страница 147: ...ON OFF reset switch status The ARROW keys allow scrolling to the next and previous system switch System 1 and 2 SYSTEM SWITCHES SYS 2 ON OFF RESET XXXXXXXXXXXXXXX The LEFT ARROW or RIGHT ARROW keys al...

Страница 148: ...QUANTECH 148 FORM QTC4 NM1 ISSUE DATE 03 07 2018 THIS PAGE INTENTIONALLY LEFT BLANK...

Страница 149: ...e no fault messages are displayed Refrigerant Leaks Visually check the heat exchangers compressors and pipework for damage and gas leaks SECTION 9 MAINTENANCE Operating Conditions Read the operating p...

Страница 150: ...4 Connect the recovery unit to a recovery cylinder sitting on an accurate scale Turn the recovery unit ON and observe the liquid refrigerant flowing from the line into the cylinder The flow of liquid...

Страница 151: ...ard surface such as a hose nozzle or metal vacuum nozzle or any other tool Microchannel coils tend to accumulate more dirt on the surface but less dirt inside the coils which makes them easier to clea...

Страница 152: ...Check for dirt in the Panel Check Door Gasket sealing integrity X Leak check the Chiller X Sample Compressor Oil check for Acid and replace if necessary X Disconnect Power Source and Lock Out Check t...

Страница 153: ...panel against the thermometer reading of ambient temperature CHILLER FAULT HIGH AMBIENT TEMPERATURE Ambient Temperature is above the maximum operating limit Check outside air temperature Ambient Senso...

Страница 154: ...ge pressure Check subcooling High Superheat Drain Feed Valves NOT controlling Isolate cause Motor Sensor reading incorrectly Program panel to ignore a single sensor Economizer Solenoid energized at lo...

Страница 155: ...mal response Excess charge in system adjust charge Condenser coils dirty Clean condenser Fans NOT operating Check fans VSD FAULT HIGH BASEPLATE TEMPERATURE Coolant level low Add coolant Glycol Pump is...

Страница 156: ...22 7 5 2 1 74 42 1 5 6 2 40 62 5 16 9 3 07 23 3 4 8 1 76 42 7 5 9 2 42 63 2 17 3 3 09 23 9 4 5 1 78 43 3 6 3 2 44 63 8 17 7 3 11 24 5 4 2 1 80 43 9 6 6 2 46 64 5 18 1 3 13 25 0 3 9 1 82 44 4 6 9 2 48...

Страница 157: ...110 9 43 8 3 72 20 0 6 7 1 12 63 5 17 5 2 44 112 3 44 6 3 75 21 2 6 1 15 64 4 18 2 47 113 8 45 4 3 78 22 3 5 4 1 18 65 3 18 5 2 50 115 2 46 2 3 81 23 4 4 8 1 21 66 3 19 1 2 52 116 7 47 1 3 84 24 4 4...

Страница 158: ...DISCHARGE PRESSURE TRANSDUCER 400 PSIG PRESSURE VOLTAGE PRESSURE VOLTAGE 0 0 50 0 0 50 5 0 66 25 0 75 10 0 82 50 1 00 15 0 98 75 1 25 20 1 14 100 1 50 25 1 30 125 1 75 30 1 46 150 2 00 35 1 62 175 2...

Страница 159: ...95 35 6 531 2 70 6 354 6 707 104 40 5 326 3 00 5 166 5 485 113 45 4 368 3 25 4 226 4 510 122 50 3 602 3 50 3 476 3 728 131 55 2 986 3 75 2 874 3 098 140 60 2 488 4 00 2 389 2 588 149 65 2 083 4 25 1 9...

Страница 160: ...QUANTECH 160 FORM QTC4 NM1 ISSUE DATE 03 07 2018 THIS PAGE INTENTIONALLY LEFT BLANK...

Страница 161: ...unit heat exchanger from the external wa ter systems and drain the heat exchanger section of the system If no isolation valves are installed it may be necessary to drain the complete system If glycol...

Страница 162: ...multiply by 5 9 or 0 5556 Example 10 0 F range x 0 5556 5 6 C range Table 30 SI METRIC CONVERSION MEASUREMENT MULTIPLY ENGLISH UNIT BY FACTOR TO OBTAIN METRIC UNIT Capacity Tons Refrigerant Effect to...

Страница 163: ...QUANTECH 163 FORM QTC4 NM1 ISSUE DATE 4 2 2018 NOTES...

Страница 164: ...Form QTC4 NM1 418 Subject to change without notice Printed in USA Issue Date April 2 2018 ALL RIGHTS RESERVED Supersedes QTC4 NM1 318 www quantech hvac com...

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