Carrier 23XRV - Manual
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Table of Contents:
- Page 2 – Small footprint —; Table of contents
- Page 3 – Heat exchanger features
- Page 4 – Model number nomenclature; Quality Assurance; Certified to I; EISMI
- Page 5 – Physical data
- Page 7 – Options and accessories
- Page 8 – 3XRV DIMENSIONS; Dimensions
- Page 9 – NOZZLE SIZE; Performance data
- Page 10 – VFD FRAME SIZES; Electrical data
- Page 11 – Controls
- Page 14 – Control sequence; To start —; CONTROL SEQUENCE
- Page 15 – Typical piping and wiring
- Page 16 – Control wiring schematic; 3XRV COMPONENT ARRANGEMENT
- Page 17 – Application data; 3XRV MACHINE FOOTPRINT
- Page 18 – 3XRV ISOLATION WITH ACCESSORY SOLEPLATE PACKAGE
- Page 19 – 3XRV NOZZLE ARRANGEMENTS
- Page 21 – RELIEF VALVE ARRANGEMENTS
- Page 22 – Vent and drain connections; PRESSURE GAGE LOCATION; ASME stamping; 3XRV RELIEF VALVE DISCHARGE PIPE SIZING; Design pressures; HEAT EXCHANGER MATERIAL SPECIFICATIONS
- Page 23 – Insulation; 3XRV MINIMUM FIELD-INSTALLED INSULATION; Factory insulation —; CONDENSATION VS RELATIVE HUMIDITY*; Minimum fluid loop volume
- Page 24 – Variable Speed Screw Chiller; HVAC Guide Specifications; Part 1 — General; Guide specifications
- Page 25 – Part 2 — Products
- Page 31 – Optional Compressor Discharge Isolation Valve
Copyright 2010 Carrier Corporation
Form 23XRV-3PD
Carrier’s Evergreen
®
23XRV chiller is
the world’s first integrated variable
speed, water-cooled, screw chiller.
It incorporates significant break-
throughs in water-cooled chiller tech-
nology to provide excellent reliability
and achieve superior efficiencies at
true operating conditions without com-
promising the environment.
The 23XRV chiller provides:
• Variable speed, positive
displacement screw compressor.
• Air Conditioning, Heating, and
Refrigerant Institute (AHRI) certified
efficiencies to 0.33 kW/ton (AHRI
IPLV).
• Chlorine-free HFC-134a refrigerant.
• IEEE-519 compliance for harmonic
distortion.
• An ideal solution for constant and
variable flow pumping systems.
Features/Benefits
Quality design and con-
struction make the Evergreen
23XRV chillers the best
choice for modern, efficient
chilled water plants.
Product reliability
The 23XRV chiller uses proven tech-
nology from Carrier’s existing line of
Evergreen chillers along with innova-
tions that increase reliability. The
23XRV compressors are designed for
extremely high reliability. The ad-
vanced tri-rotor compressor features a
balanced rotor geometry and shorter
screw lengths, resulting in vastly re-
duced compressor bearing loads and a
minimum L10 compressor bearing life
in excess of 500,000 hours when op-
erated at AHRI conditions.
EVERGREEN
®
23XRV
High-Efficiency Variable Speed Screw Chiller
with FOXFIRE™ Compression Technology
50/60 Hz
HFC-134a
300 to 550 Nominal Tons (1055 to 1934 Nominal kW)
Product
Data
INNOVATION
INNOVATION
AWARD
AWARD
2008 AHR EXPO
2008 AHR EXPO
®
WINNER –
Green Building
23XRV
S
EISMI
C
OMPLIANT
*
* Meets IBC 2006, ASCE-7-05, CBC 2007, and OSHPD seismic requirements.
®
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Summary
2 Variable speed capacity control elimi-nates slide valves, their associated loss-es, and their potential failure modes. Component count (both rotating and total) has been minimized assuring maximum reliability under a wide range of operating conditions. High efficiency Per AHRI 550/590, chillers op...
3 • Machine room cooling requirements associated with air-cooled motors,which dissipate heat to the mechan-ical room. • High noise levels common with air- cooled motors, which radiate noiseto the machine room and adjacentareas. • Shaft alignment problems that occur with open-drive designs during sta...
4 feature also allows the machine to operate at reduced capacity, rather than shut down, when key safety limits are approached. Chilled liquid reset — Reset can be accomplished manually or automatical-ly from the building management sys-tem. For a given capacity, reset allows operation at slower com...
