Carrier 30XW325-400- Manuals

Page 2 - Table of contents

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 transformer)...

Page 5 - Model number nomenclature; Quality Assurance

5 Model number nomenclature 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 -...

Page 6 - Capacity ratings

6 LEGEND NOTES: 1. Certified in accordance with AHRI Standard 550/590 at standard rating conditions. 2. Standard rating conditions are as follows: Evaporator Conditions: Leaving Water Temperature: 44 F (6.7 C)Flow: 2.4 gpm per ton (0.043 L/s per kW) Condenser Conditions: Entering Water Temperature: ...

Page 7 - Physical data

7 30XW325-400 UNIT PHYSICAL DATA — 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)...

Page 9 - Factory-installed options; Options and accessories

9 Factory-installed options Navigator™ module provides a portable, hand-held dis- play for convenient access to unit status, operation, config-uration and troubleshooting diagnostics capability. Thefour-line, 20-character LCD (liquid crystal display) displayprovides clear language information in Eng...

Page 12 - Dimensions

12 Dimensions 30XW UNIT DIMENSIONS 30XW UNIT AND WATERBOX DIMENSIONS NOTES: 1. Operating weight includes weight of water, refrigerent, and oil. 2. Denotes center of gravity. 3. Dimensions shown in ft-in. [mm] unless noted. 4. The recommended service clearance around the machine is 3 ft [914.4 mm]. 5...

Page 14 - WATERBOX FLANGE DETAIL

14 Dimensions (cont) 30XW UNIT DIMENSIONS (cont) WATERBOX FLANGE DETAIL a30-4725 UNIT NUMBER OF PASSES A in. (mm) B in. (mm) CONNECTION SIZE Flange Victaulic 30XW325-400 2 6 1 / 16 (154) 6 1 / 16 (154) 6 8 1 0 (0) 0 (0) 6 8 3 6 1 / 16 (154) 6 1 / 16 (154) 6 8 UNIT NUMBER OF PASSES A in. (mm) B in. (...

Page 15 - Performance data; Selection procedure

15 Carrier’s packaged selection program provides quick,easy selection of Carrier’s water-cooled chillers. The pro-gram considers specific temperature, fluid and flowrequirements among other factors such as fouling and alti-tude corrections. Before selecting a chiller, consider the following points: ...

Page 16 - gpm; Evaporator Flow Rate; Pressure Drop; ft wg; Pressure Drop

16 Performance data (cont) 30XW325-400 EVAPORATOR MARINE WATERBOX 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...

Page 17 - Condenser Flow Rate

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 NI...

Page 19 - Controls

19 Microprocessor The chiller microprocessor controls overall unit operationand controls a number of processes simultaneously. Theseprocesses include internal timers, reading inputs, analog todigital conversions, display control, diagnostic control, out-put relay control, demand limit, capacity cont...

Page 20 - Safeties

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 flu...

Page 21 - Typical control wiring schematics

21 Typical control wiring schematics 30XW UNIT CONTROL WIRING SCHEMATIC LEGEND AWG — American Wire Gage NEC — National Electrical Code CB — Circuit Breaker PMP — Chilled Water Pump COM — Communication Por t PMPI — Chilled Water Pump Interlock EMM — Energy Management Module TB — Terminal Block EQUIP ...

Page 22 - Application data

22 Unit storage Store chiller and starter indoors, protected from construc-tion dirt and moisture. Inspect under shipping tarps, bags,or crates to be sure water has not collected during transit.Keep protective shipping covers in place until machine isready for installation. Assure that the inside of...

Page 24 - Electric utility interests

24 Consider adding additional piping and isolation valves to isolate each chiller to allow for service on the machine, andstill allow for partial capacity from the other chiller. Even if evaporators are piped in series, parallel con- denser piping should be considered on constant speedchillers to ma...

Page 25 - Typical piping and wiring

25 Typical piping and wiring TY PICAL PI PING AND WIRING FOR 30X W EV A PORA TOR AN D COND ENSER EV APORA TOR SHUT -OFF VA LV E BALANCING VA LV E TO COOLING LOAD FROM COOLING LOAD CONDENSER W ATER INLET CONDENSER W ATER OUTLET VIBRA TION ISOLA TION VIBRA TION ISOLA TION VIBRA TION ISOLA TION PRESSUR...

Page 26 - Electrical data

26 STANDARD SINGLE INPUT POWER CONFIGURATION LEGEND NOTES: 1. Each main power source must be supplied from a field-supplied fused electrical service with a (factory-installed or field-installed) disconnectlocated in sight from the unit. 2. Control circuit power must be supplied from a separate sourc...

Page 29 - HVAC Guide Specifications; Guide specifications

29 Water-Cooled Chiller HVAC Guide Specifications Size Range: 325 to 400 Nominal Tons (1133 to 1354 kW) Carrier Model Number: 30XW Part 1 — General 1.01 SYSTEM DESCRIPTION Microprocessor controlled water-cooled liquid chillerutilizing screw compressors and electronic expan-sion valves. 1.02 QUALITY ...