Carrier HFC-134a Instrukcja Użytkownika

Copyright 2010 Carrier Corporation Form 23XRV-3PDCarrier’s Evergreen® 23XRV chiller is the world’s first integrated variable speed, water-cooled, scre

10VFD FRAME SIZES*Maximum limits only. Additional application limits apply that will reduce these ampacities.AUXILIARY RATINGS**Factory wired to VFD.†

11Microprocessor controlsMicroprocessor controls provide the safety, interlock, ca-pacity control, indications and accessibility necessary toopera

12Controls (cont)CONTROL PANEL DISPLAY (Front View)ICVC ENGLISH DISPLAY IN SI UNITSCONTROL PANEL DISPLAY (Front View)ICVC CHINESE DISPLAY IN METRIC UN

13BLACKWHITEREDBLACKWHITEREDDRAIN WIREDRAIN WIREBLACKWHITEREDBLACKWHITEREDDRAIN WIREGROUNDDRAIN WIRENOTE: Field-supplied terminal strip must be lo

14Control sequenceTo start — Local start-up (manual start-up) is initiated bypressing the LOCAL or CCN menu softkey, which is indi-cated on the defaul

15Typical piping and wiring111678TO CHILLED LIQUID PUMPTO CONDENSER LIQUID PUMPTO COOLING TOWER FAN21MAIN COMPRESSORMOTOR POWERFROMCOOLINGTOWERFRO

16Control wiring schematic23XRV COMPONENT ARRANGEMENTLEGENDCCM — Chiller Control ModuleCCN — Carrier Comfort Network®ICVC — International Chiller Visu

17Application dataFEYY*BGAVESSELSTYP.0’-3”[76.2mm]ACCESSORYSOLEPLATE0’-01/2”[13mm]TYP.XX*VESSELSCOND.COOLERCLCLCLCD23XRV MACHINE FOOTPRINT*See det

18Application data (cont)ELASTOMERIC PAD23XRV ISOLATION WITH ACCESSORY SOLEPLATE PACKAGETYPICAL ISOLATIONSTANDARD ISOLATIONACCESSORY SOLEPLATE DETAILV

1912111098765432123XRV NOZZLE ARRANGEMENTSNOZZLE-IN-HEAD WATERBOXESFRAME 3FRAMES 4 AND 5NOZZLE ARRANGEMENT CODES FOR ALL 23XRV NOZZLE-IN-HEAD WATE

2 Variable speed capacity control elimi-nates slide valves, their associated loss-es, and their potential failure modes. Component count (both rotati

20Application data (cont)23XRV NOZZLE ARRANGEMENTS (cont)MARINE WATERBOXESFRAME 3NOZZLE ARRANGEMENT CODESPASSCOOLER WATERBOXESPASSCONDENSER WATERBOXES

2123XRV WATERBOX NOZZLE SIZES (Nozzle-In-Head and Marine WaterboxesRELIEF VALVE LOCATIONS* Coolers without optional isolation require 2 relief val

22Vent and drain connectionsNozzle-in-head waterboxes have vent and drain connec-tions on covers. Marine waterboxes have vent and drainconnections on

23Insulation23XRV MINIMUM FIELD-INSTALLED INSULATIONREQUIREMENTSFactory insulation — Thermal insulation is factory-provided to the following areas

24Variable Speed Screw Chiller HVAC Guide SpecificationsSize Range: 300 to 550 Tons (1055 to 1934 kW) NominalCarrier Model Number: 23XRVPart 1 — Gener

25D. Unit shall be shipped with firmly attached labels thatindicate name of manufacturer, chiller model num-ber, chiller serial number, and refrig

26equipment to dissipate the motor heat as perthe following formula:Btuh = (FLkW motor) (0.05) (3413)Btuh = (FLkW motor) (171)and, alternatelyTons = B

27input terminals as the point of common cou-pling (PCC).b. The VFD full load efficiency shall meet orexceed 97% at 100% VFD rated ampacity.c. Act

28liquid refrigerant to a reduced temperature,thereby increasing the refrigeration cycleefficiency.F. Refrigerant Flow Control:To improve part load ef

29displayed informing the operator that thechiller is operating in ramp loading mode.l. Chilled Water Reset:The control center shall allow reset o

3• Machine room cooling requirementsassociated with air-cooled motors,which dissipate heat to the mechan-ical room.• High noise levels common wit

30manual rotation of the lead chiller and a stag-gered restart of the chillers after a power fail-ure. The lead/lag system shall include loadbalancing

3111. Cooler and Condenser Tubes:Contact a local Carrier Representative for othertube offerings.12. Cooler and Condenser Passes:Unit manufacturer

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.Pg 3

4feature also allows the machine to operate at reduced capacity, rather than shut down, when key safety limits are approached.Chilled liquid reset — R

523XRV COMPRESSOR AND MOTOR WEIGHTSCOMPONENT WEIGHTS LEGEND23XRV HEAT EXCHANGER WEIGHTSCOND — Condenser*Rigging weights are for

6ADDITIONAL WEIGHTS FOR 23XRV MARINE WATERBOXES*150 psig (1034 kPa) MARINE WATERBOXES300 psig (2068 kPa) MARINE WATERBOXES*Add to cooler and condenser

7*Factory-installed.†Field-installed.**Standard waterbox nozzles are victaulic type. Flanged nozzles areavailable as an option with either nozzle-

823XRV DIMENSIONS (NOZZLE-IN-HEAD WATERBOX)23XRV DIMENSIONS (MARINE WATERBOX)*Assumes both cooler and condenser nozzles on same end of chiller. †1 or

9NOZZLE SIZE23XRV HEAT EXCHANGER MIN/MAX FLOW RATES*ENGLISH (GPM)*Flow rates based on standard tubes in the cooler and condenser. Minimum flow bas