Carrier 30XW325-400 manual

Copyright 2009 Carrier Cor poration F orm 30XW-2PD Carrier's AquaForce 30XW chillers provid e a great co mbination of perf or- mance and compact f ootpr int f or cooling and heat reco very applica- tions. These chillers pro v ide e xcellent reliability and efficiency at true operat- ing conditions without comp romising the en vironment. • Ch[...]

2 Easy installation The AquaForce ® 30XW screw chillers are shipped with starter and unit mounted flow switch installed and can be shipped with a full R-134a refriger- ant charge to minimize installation time. The unit provides single point power connection (using optional con- trol power transfor mer) and quick, easy piping connections (using Vic[...]

3 of the system. The AquaForce ® 30XW chiller's positive pressu re design ensures that air , moisture and other per for mance degrading contamina nts are not sucked inside the chiller . Pur ge units and their associated maintenance are no longer ne cessary. Refrigerant isolation valves The refrigerant isolation valves ena ble service personne[...]

4 Extensive service menu Unauthorized access to the service menu can be password-protected. Built-in diagnostic capa bilities assist in troubles hooting and recommend proper corrective action for pre-set alar ms, resulting in greater up time. Alarm file This file maintains the last 50 time and date-stamped alar m and alert messages in memory. This [...]

5 Model number nomenc lature a30-4744 3 0XW – 3 25 6 – – – 4 – 3 B 3 0XW – A qua Force ® W a ter-Cooled S crew Chiller De s i g n S erie s Unit S ize (Nominal Ton s ) (kW) 3 25 – 3 25 (11 33 ) 3 50 – 3 50 (1206) 400 – 400 (1 3 54) Volta g e 1 – 575- 3 -60 2 – 38 0- 3 -60 4 – 2 3 0- 3 -60 6 – 460- 3 -60 7 – 200- 3 -60 Co[...]

6 LEGEND NO TES: 1. Cer tified in accordance with AHRI Standard 550/590 at standard rating conditions. 2. Standard rating conditions are as follows: Evapor ato r Conditions: Leaving W ater T emperature: 44 F (6.7 C ) Flow: 2.4 gpm per ton (0.043 L/s per kW) Condenser Conditions: Entering Water T emperature: 85 F (29.4 C) Flow: 3.0 gpm per ton (0.05[...]

7 30XW325-400 UNIT PHYSICAL DA T A — ENGLISH LEGEND 30XW UNIT SIZE 325 350 400 NOMINAL CAPACITY (tons) 325 350 400 UNIT WEIGHT (lb) (Operating/Shipping) 14,319/13,163 14,515/13,369 14,759/13,489 COMPRESSORS Semi-hermetic, twin screw Compressor Speed (rpm) 3500 Compressor Model Number (qty) 06TU483 (2) 06TU554 (2) Unloading T ype Slide V alve Mini[...]

8 30XW325-400 UNIT PHYSICAL DA T A — SI LEGEND 30XW UNIT SIZE 325 350 400 NOMINAL CAP ACITY (kW) 1133 1206 1354 UNIT WEIGHT (kg) (Operating/Shipping) 6495/5971 6584/6064 6695/6119 COMPRESSORS Semi-hermetic, twin screw Compressor Speed (r/s) 58.3 Compressor Model Number (qty) 06TU483 (2) 06TU554 (2) Unloading T ype Slide V alve Minimum Step Capaci[...]

9 Factory-installe d options Navigator™ module provides a portable, hand-held dis- play for convenient access to unit status, operation, config- uration and troubleshooting diagnostics capability. The four-line, 20-character LCD (liquid crystal display) display provides clear language infor mation in English, French, Spanish, or Portugu ese. The [...]

10 temperature sensor to facilitate operating in HEA T mode. Heat machine units require 300 psig (2068 kPa) option and field-installed ther mal in sulation on the compressor dischar ge piping and waterbox heads beca use of high temperature. One-pass condenser provides a lower pressure drop through the condenser for applications with low delta T (te[...]

11 FIELD-SUPPLIED AND FIELD-INSTALLED I NSULATION CONDEN S ER W A TERBO X IN S ULA TION NEEDED (HEA T MACHINE UNIT S ONL Y) CONDEN S ER W A TERBO X IN S ULA TION NEEDED (HEA T MACHINE UNIT S ONL Y) EV APORA T OR WA TERBO X IN S ULA TION NEEDED EV APORA T OR WA TERBO X IN S ULA TION NEEDED EV APORA T OR WA TERBO X IN S ULA TION NEEDED DI S CHARGE PI[...]

12 Dimensions 30XW UNIT DIMENSIONS 30XW UNIT AND W A TERBOX DIMENSIONS NOTES: 1. Operating weight includes weight of water , refrige rent, and oil. 2. Denotes center of gravity . 3. Dimensions shown in ft-in. [mm] unless noted. 4. The recommended ser vice clearance around the machine is 3 ft [914.4 mm]. 5. Victaulic nozzles are standard on all unit[...]

13 30XW UNIT DIMENSIONS (cont) D DI S CHARGE END S UCTION END a30-4747 INCOMING C ONTROL INCOMING C ONTR OL POWER 1 x 7/8” POWER 1 x 7/8” KNOCKOUT KNOCKOUT DOOR CLEARANCE SP ACE DOOR CLEARANCE SP ACE DI S CHARGE END S UCTION END a30-4748 EV AP 3 3/16” [81 mm] a30-4755[...]

14 Dimensions (cont) 30XW UNIT DIMENSIONS (cont) W A TERBO X FLANGE DET AIL a30-4725 UNIT NUMBER OF P ASSES A in. (mm) B in. (mm) CONNECTION SIZE Flange Vict aulic 30XW325-400 26 1 / 16 (154) 6 1 / 16 (154) 6 8 10 ( 0 ) 0 ( 0 ) 6 8 36 1 / 16 (154) 6 1 / 16 (154) 6 8 UNIT NUMBER OF P ASSES A in. (mm) B in. (mm) CONNECTION SIZE Flange Victaulic 30XW3[...]

15 Carrier’s packaged selection program provides quick, easy selection of Carrier’s water-cooled chillers. The pro- gram considers specific temperature, fluid and flow requirements among other factor s such as fouling and alti- tude corrections. Before selecting a chiller , consider the follo wing points: Leaving water (fluid) temperature (L WT[...]

16 P erformance data (cont) 30XW325-400 EVAPORATOR MARINE W ATERBOX 0 500 1000 1500 2000 2500 3000 (0) (31.5) (63.1) (94.6) (126.2) (157.7) (189.3) 3 2 1 pass pass pass gpm (L/s) Evaporator Flow Rate 0.00 5.00 10.00 15.00 20.00 25.00 30.00 35.00 40.00 ft wg (0) (14.9) (29.8) (44.8) (59.7) (74.6) (89.5) (104.4) (119.4) (kPa) Pressure Drop NO TE : Th[...]

17 3 0 500 1000 1500 2000 2500 3000 (0) (31.5) (63.1) (94.6) (126.2) (157.7) (189.3) Evaporator Flow Rate 2 1 pass pass pass 0.00 5.00 10.00 15.00 20.00 25.00 30.00 35.00 40.00 ft wg (0) (14.9) (29.8) (44.8) (59.7) (74.6) (89.5) (104.4) (119.4) (kPa) Pressure Drop gpm (L/s) 30XW325-400 EVAPORATOR NIH VICTAULIC LEGEND NO TE: T he table abo ve repres[...]

18 P erformance data (cont) 0.00 5.00 10.00 15.00 20.00 25.00 30.00 35.00 40.00 ft wg (0) (14.9) (29.8) (44.8) (59.7) (74.6) (89.5) (104.4) (119.4) (kPa) 0 500 1000 1500 2000 2500 (0) (31.5) (63.1) (94.6) (126.2) (157.7) Condenser Flow Rate Pressure Drop 2 pass 1 pass gpm (L/s) 30XW325-400 CONDENSER NIH FLANGE LEGEND NO TE: The table abov e represe[...]

19 Micropr ocessor The chiller microprocessor contro ls overall unit operation and controls a number of processes simultaneously. These processes include inter nal time rs, reading inputs, analog to digital conversions, display cont rol, diagnostic control, out- put rela y control, de mand li mit, capacity control, head pressure control, and temper[...]

20 • Evaporator entering fluid temperature (T2) • Suction gas temperature (T4 - Circuit A, T7 - Circuit B) • Economizer gas temperature (T5 - Circuit A, T11 - Circuit B) (sizes 350, 400 only) • Space temperature (T8) • Discharge gas temperature (T9 - Circuit A, T10 - Circuit B) • Condenser entering fluid temperature (T12) • Condenser [...]

21 T ypical contr ol wiring schematics 30XW UNIT CONTROL WIRING SCHEMA TIC LEGEND AW G — American Wire Gag e NEC — National Electrical Code CB — Circuit Break er PMP — Chilled W ater Pump COM — Communication P or t PMPI — Chilled W ater Pump Interlock EMM — Energy Management Module TB — Te r m i n a l B l o c k EQUIP GND — Equipme[...]

22 Unit storage Store chiller and starter indoors, protected from construc- tion dirt and moisture. Inspect under shipping tarps, bags, o r cr at e s t o b e s u r e w at er h a s not collected during transit. Keep protec tive shipping co ve rs in place until machine is ready for installation. Assure th at the inside of the protec- tive cover meets[...]

23 V ariable evaporator flow rates V ariable flow rates may be applied to a stan dard chiller . The unit will, however , attempt to maintain a constant leaving fluid temperature. In such cases minimum flow must be in excess of minimum flow gi ven in the Evaporator and Condenser Flow Rates table, and mini- mum loop volume must be in excess of 3 gall[...]

24 Consider adding additional piping and iso lation valves to isolate each chiller to allow for service on the machine, and still allow for partial capacity from the other chiller . Even if evaporators are piped in series, parallel con- denser piping should be considered on con stant speed chillers to maximize ca pacity and efficiency while minimiz[...]

25 T ypical piping and wiring TYPICAL PIPING AND WIRING FOR 30X W EV APORA TOR AND CONDENSER EV APORA TOR SHUT -OFF VA L V E BALANCING VA L V E TO COOLING LOAD FROM COOLING LOAD CONDENSER WA TER INLET CONDENSER WA TER OUTLET VIBRA TION ISOLA TION VIBRA TION ISOLA TION VIBRA TION ISOLA TION PRESSURE GAGE SHUT -OFF VA L V E CONDENSER 30XW DRAIN OUTLE[...]

26 STANDARD SINGLE INPUT POWER CONFIGURATION LEGEND NO TE S: 1. Each main power sour ce must be supplied fr om a field-suppl ied fused electr ical ser vice with a (factor y-inst alled or field- installed) dis connect located in sig ht from the unit. 2. Control circuit po wer must be supplied fr om a separate sourc e through a field-sup plied discon[...]

27 OPTIONAL DUAL INPUT POWER CONFI GURATION LEGEND NO TE S: 1. Each main power source must be supplied from a field-suppl ied fused electr ical ser vice with a (f actor y-installe d or field-ins talled) dis connect located in sig ht from the unit. 2. Control cir cuit power must be supplied from a separate source th rough a field-supp lied disconnec[...]

28 COMPRESSOR ELECTRICAL DA T A LEGEND 30HX UNIT SIZE V O LTA G E V- P h - H z COMPRESSOR COMPRESSOR A COMPRESSOR B RLA LRA (WD) LRA ( XL) RLA LRA (WD) LRA (XL) 325 200-3-60 06TU483 409.0 938 N/A 409.0 938 N/A 230-3-60 06TU483 355.1 816 N/A 355.1 816 N/A 380-3-60 06TU483 216.7 494 1537 216.7 494 1537 460-3-60 06TU483 178.2 408 1270 178.2 408 1270 5[...]

29 W ater-Cooled Chiller HV AC Guide Specifications Size Range: 325 to 400 Nomin al T ons (1133 to 1354 kW) Carrier Model Number: 30XW Part 1 — General 1.01 SYSTEM DESCRIPTION Microprocessor controlled water -cooled liquid chiller utilizing screw compressor s and electronic expan- sion valves. 1.02 QUALITY ASSURANCE A. Unit shall be rated in ac c[...]

30 compressor discharge piping and waterb ox heads becau se of high tempera ture. F . Refrigeration Compone nts: Refrigerant circuit components shall include oil sep- arator , high and low side pr essure relief devices, dis- charge and liquid line shutoff valves, filter drier , moisture indicating sight glass, expansion valve, refrigerant economize[...]

31 m. Time of day: 1) Display module, in conjunction with the microprocessor , must al so be capable of displaying the output (results) of a ser- vice test. Service test shall verify opera- tion of every switch, ther mistor , and compressor before chiller is started. 2) Diagnostics shall in clude the ability to review a list of the 30 most recent a[...]

Manufacturer reserves the right to dis continue, or change at any time, specifications or d esigns without notice and without inc urring obligations. Pg 32 Catalog No . 04-52300015-01 Printed in U .S.A . Form 30XW -2PD Replaces: 30XW -1PD Carrier Cor poration • Syracuse, New Y ork 13221 6-09 Section 9 Ta b 9 a 12. Compressor Suction Service V alv[...]