Résumé du contenu de la page N° 1
®
AQUAFORCE
Product
30XW325-400
Data
Water-Cooled Liquid Screw
Chillers
325 to 400 Nominal Tons
(1133 to 1354 kW)
®
Carrier's AquaForce 30XW chillers
provide a great combination of perfor-
mance and compact footprint for
cooling and heat recovery applica-
tions. These chillers provide excellent
reliability and efficiency at true operat-
ing conditions without compromising
the environment.
• Chlorine-free R-134a HFC
a30-4659.eps
refrigerant
� Positive displacement, twin screw
compressors
�
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Features/Benefits (cont) values (IPLV) as low as 0.468 kW per Easy installation Positive displacement screw ton at AHRI conditions while offering ® compression The AquaForce 30XW screw chillers the ability to operate in a broad range are shipped with starter and unit Positive displacement compression of applications and climates. This mounted flow switch installed and can ensures stable operation under all load exceptional performance has a signifi- be shipped with a full R-134a refriger
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® of the system. The AquaForce 30XW Electronic thermal-dispersion flow Carrier's exclusive handheld Naviga- chiller's positive pressure design switch tor display provides convenience and ensures that air, moisture and other powerful information in the palm of An electronic thermal-dispersion flow performance degrading contaminants your hand. The Navigator display helps switch switch is included with the evap- are not sucked inside the chiller. Purge technicians to quickly diagnose prob- ora
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ComfortLink Alarm Status MODE ESC ENTER Run Status Service Test Temperatures Pressures Setpoints Inputs Outputs Configuration Time Clock Operating Modes Alarms Features/Benefits (cont) Extensive service menu Alarm file Configuration data backup Unauthorized access to the service This file maintains the last 50 time and Non-volatile memory provides protec- menu can be password-protected. date-stamped alarm and alert messages tion during power failures and Built-in diagnostic capabilities
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Model number nomenclature 30XW – 325 6 – – – 4 – 3 B ® 30XW – AquaForce Water-Cooled Packaging/Charging Options Screw Chiller B – R-134a Refrigerant with Bag (Std) C – R-134a Refrigerant with Crate Over Bag D – Nitrogen Refrigerant with Bag Design Series F – Nitrogen Refrigerant with Crate Over Bag Unit Size (Nominal Tons) (kW) Controls/Communications Options 325 – 325 (1133) - – Navigator™ Display 350 – 350 (1206) 0 – Navigator Display, EMM 400 – 400 (1354) 1 – Navigator Display, GFCI
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Capacity ratings EVAPORATOR EVAPORATOR CONDENSER CONDENSER CAPACITY INPUT FULL LOAD FLOW PRESSURE DROP FLOW PRESSURE DROP 30XW IPLV POWER EFFICIENCY UNIT SIZE (kW/Ton) Output Ft of Ft of (kW) (kW/Ton) Tons gpm L/s kPa gpm L/s kPa (kW) Water Water 325 322 1132.5 204.8 773 48.8 15.6 46.5 967 61.0 10.9 32.5 0.636 0.468 350 343 1206.3 215.7 824 52.0 17.5 52.2 1029 64.9 12.3 36.7 0.629 0.471 400 385 1354.0 242.8 924 58.3 21.5 64.1 1155 72.9 15.2 45.3 0.631 0.474 LEGEND Fouling Factor (Evaporator)
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Physical data 30XW325-400 UNIT PHYSICAL DATA — ENGLISH 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 Type Slide Valve Minimum Step Capacity % (standard) 15% Optional % 10% Economizer No Yes Temperature Relief Valve Connection (in. SAE Flare) (each circuit)—3/8 REFRIGERAN
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Physical data (cont) 30XW325-400 UNIT PHYSICAL DATA — SI 30XW UNIT SIZE 325 350 400 NOMINAL CAPACITY (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 Type Slide Valve Minimum Step Capacity % (standard) 15% Optional % 10% Economizer No Yes 3 Temperature Relief Valve Connection (in. SAE Flare) (each circuit) — / 8 REFRIGERANT HFC,
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Options and accessories The 300 psig (2068 kPa) evaporator operating FACTORY- FIELD- pressure option allows operation for water-side pressure ITEM INSTALLED INSTALLED up to 300 psig (2068 kPa). OPTION ACCESSORY Controls Options The 300 psig (2068 kPa) condenser operating Navigator Hand-Held Display XX pressure option allows operation for water-side pressure Remote Enhanced Display X up to 300 psig (2068 kPa). BACnet Translator Control XX Minimum load control allows additional capacity
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Options and accessories (cont) temperature sensor to facilitate operating in HEAT mode. BACnet™ translator control provides an interface Heat machine units require 300 psig (2068 kPa) option between the chiller and BACnet Local Area Network and field-installed thermal insulation on the compressor (LAN, i.e., MS/TP EIA 485). The BACnet translator con- discharge piping and waterbox heads because of high trol is also available as a factory-installed option. temperature. LON translator control provi
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FIELD-SUPPLIED AND FIELD-INSTALLED INSULATION DISCHARGE PIPING EVAPORATOR WATERBOX EVAPORATOR WATERBOX INSULATION NEEDED (HEAT INSULATION NEEDED INSULATION NEEDED MACHINE UNITS ONLY) CONDENSER WATERBOX CONDENSER WATERBOX EVAPORATOR WATERBOX INSULATION NEEDED (HEAT INSULATION NEEDED (HEAT INSULATION NEEDED MACHINE UNITS ONLY) MACHINE UNITS ONLY) NOTES: a30-4686 1. Field-installed insulation for standard units shown in light gray. 2. Field-installed insulation for heat machine units shown in dark
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Dimensions 30XW UNIT DIMENSIONS a30-4745 SEE NIH EVAPORATOR DETAIL FOR NOZZLE MEASUREMENTS EVAPORATOR SUCTION DISCHARGE END END CONDENSER SEE NIH CONDENSER DETAIL FOR NOZZLE MEASUREMENTS MLV (OPTIONAL) MLV (OPTIONAL) LEGEND STANDARD 30XW UNIT DIMENSIONS MLV — Minimum Load Valve MWB — Marine Waterbox MOUNTING LOCATION WEIGHT, lb [kg] DIMENSIONS (ft-in. [mm]) 30XW UNIT OPERATING NIH — Nozzle-In-Head SIZE WEIGHT, lb [kg] 12 34A B C SSV — Suction Service Valve 3 3 3 325 14,319 [6495] 3734 [1694] 38
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a30-4755 13 30XW UNIT DIMENSIONS (cont) EVAP SUCTION DISCHARGE END END 3 3/16” [81 mm] a30-4747 D INC INCO OMING C MING CO ONTROL NTROL POWER 1 x 7/8” POWER 1 x 7/8” K KNOCK NOCKOUT OUT SUCTION DISCHARGE END END D DOOR CLEARANCE SP OOR CLEARANCE SPA AC CE E a30-4748
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Dimensions (cont) 30XW UNIT DIMENSIONS (cont) WATERBOX FLANGE DETAIL MOUNTING a30-4688 LOCATIONS a30-4725 a30-4751 NIH EVAPORATOR a30-4749 NIH CONDENSER DISCHARGE DISCHARGE DISCHARGE DISCHARGE DISCHARGE SUCTION SUCTION SUCTION SUCTION SUCTION CONNECTION SIZE NUMBER OF A B CONNECTION SIZE NUMBER OF A B UNIT UNIT PASSES in. (mm) in. (mm) PASSES in. (mm) in. (mm) Flange Victaulic Flange Victaulic 1 1 26 / (154) 6 / (154) 6 8 3 3 16 16 26 /4 (171) 6 /4 (171) 6 8 30XW325-400 30XW325-400 10 (0) 0 (0)
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Selection procedure Carrier’s packaged selection program provides quick, Evaporator pressure drop: easy selection of Carrier’s water-cooled chillers. The pro- � A high evaporator pressure drop can be expected when gram considers specific temperature, fluid and flow the evaporator delta-T is low. A mixing loop can help to requirements among other factors such as fouling and alti- alleviate this situation. tude corrections. � The three-pass evaporator option is recommended to Before selecting a ch
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Performance data (cont) 30XW325-400 EVAPORATOR MARINE WATERBOX (kPa) ft wg (119.4) 40.00 3 pass (104.4) 35.00 1 pass 2 pass (89.5) 30.00 (74.6) 25.00 (59.7) 20.00 (44.8) 15.00 (29.8) 10.00 (14.9) 5.00 (0) 0.00 0 500 1000 1500 2000 2500 3000 gpm (0) (31.5) (63.1) (94.6) (126.2) (157.7) (189.3) (L/s) Evaporator Flow Rate NOTE: The table above represents pressure drops only. The table does not imply that the chiller can be properly applied over the entire range of ev
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30XW325-400 EVAPORATOR NIH VICTAULIC (kPa) ft wg (119.4) 40.00 3 pass (104.4) 35.00 1 pass 2 pass (89.5) 30.00 (74.6) 25.00 (59.7) 20.00 (44.8) 15.00 (29.8) 10.00 (14.9) 5.00 (0) 0.00 0 500 1000 1500 2000 2500 3000 gpm (0) (31.5) (63.1) (94.6) (126.2) (157.7) (189.3) (L/s) Evaporator Flow Rate LEGEND NIH — Nozzle-In-Head A30-4693 NOTE: The table above represents pressure drops only. The table does not imply that the chiller can be properly applied over the entire range of evapora
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Performance data (cont) 30XW325-400 CONDENSER NIH FLANGE (kPa) ft wg (119.4) 40.00 (104.4) 35.00 2 pass 1 pass (89.5) 30.00 (74.6) 25.00 (59.7) 20.00 (44.8) 15.00 (29.8) 10.00 (14.9) 5.00 (0) 0.00 0 500 1000 1500 2000 2500 gpm (0) (31.5) (63.1) (94.6) (126.2) (157.7) (L/s) Condenser Flow Rate LEGEND NIH — Nozzle-In-Head A30-4695 NOTE: The table above represents pressure drops only. The table does not imply that the chiller can be properly applied over the entire range of evapo
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Controls point to a warmer temperature thereby reducing compres- Microprocessor sor power usage and saving energy. Three reset options The chiller microprocessor controls overall unit operation are offered. With any chilled water reset application, hu- and controls a number of processes simultaneously. These midity control should be considered since higher coil tem- processes include internal timers, reading inputs, analog to peratures will reduce latent capacity. For details on apply- digital c
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Controls (cont) � Evaporator entering fluid temperature (T2) Loss of flow protection — This feature will shut off the � Suction gas temperature (T4 - Circuit A, T7 - Circuit B) chiller if the detected flow is below the configured mini- � Economizer gas temperature (T5 - Circuit A, T11 - mum flow rate. Thermal dispersion flow switches are Circuit B) (sizes 350, 400 only) installed in 30XW chillers to confirm evaporator flow. � Space temperature (T8) Sensor failures — The microprocessor monitors t
