Carrier 30HR Product Data
Also see for 30HR Series: Wiring diagramsInstallation, Start-Up and Service InstructionsInstallation instructionsInstallation, Start-Up and Service Instructions
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Guide specifications — 30HRFluid-Cooled Reciprocating Liquid ChillerHVAC Guide SpecificationsSize Range: 70 to 160 Tons (250 to 560 kW)Carrier Model Number: 30HR070-160Part 1 — General1.01 SYSTEM DESCRIPTIONA. Electronically controlled reciprocating-type liquid chillerutilizing semi-hermetic type compressors.1.02 QUALITY ASSURANCEA. Unit performance shall be rated in accordance withARI Standard 590 (U.S.A.) at standard ratingconditions.B. Unit construction shall comply with ASHRAE 15 lat-est revision safety standard, NEC, and applicableASME codes (U.S.A.).C. Unit(s) shall be UL (U.S.A.) listed and CSA certified.D. Unit shall be certified in accordance with ISO 9002manufacturing quality standard.1.03 DELIVERY, STORAGE AND HANDLINGA. Unit shall be shipped factory assembled with all re-frigerant piping and control wiring factory installed.B. Unit shall be shipped pre-charged with a completeoperating charge of R-22.C. Unit to be stored and handled according to manufac-turer’s recommendations.Part 2 — Products2.01 EQUIPMENTA. General:Factory-assembled, single-piece, liquid chiller consist-ing of motors, compressors, direct expansion cooler,condensers, initial oil and refrigerant operating charges,and all controls, safeties, and hardware required priorto start-up.B. Compressor(s):1. Reciprocating, serviceable, semi-hermetic typeonly.2. Each compressor shall be equipped with an auto-matically reversible oil pump, operating oil charge,suction and discharge shutoff valves and oil sightglass.3. Factory mounted on spring vibration isolators.4. Motors shall be cooled by suction gas passingaround motor windings and shall be thermallyprotected.5. Each compressor shall be factory equipped withan insert-type crankcase heater to control oil di-lution during shutdown.6. Motor speed shall not exceed 1750 rpm (29.2 r/s).7. Equipped with electrically-actuated suction cut-offcylinder unloaders.8. Same manufacturer as chiller.C. Cooler:1. Shell-and-tube type with removable heads. Seam-less copper tubes shall be rolled into tube sheets.2. Single fluid pass type with multiple internal polypro-pylene baffles.3. Design shall be dual independent, direct expan-sion, refrigerant circuit type.4. Shell shall be insulated with 3⁄4 -in. (19 mm) closedcell polyvinyl chloride foam insulation or suitablealternate.5. Cooler shall be tested and stamped in accordancewith ASME code (U.S.A.) for refrigerant side work-ing pressure of 235 psig (1620 kPa). Cooler shallhave a maximum fluid side working pressure of300 psig (2068 kPa).D. Condensers:1. Two fluid-cooled shell-and-tube type with seam-less integrally finned copper tubes and removableheads.2. Design and construction shall provide positive sub-cooling of liquid refrigerant.3. Each equipped with a pressure relief device, purgecock and liquid line shutoff valve.4. Condensers shall be tested and stamped in accor-dance with ASME code (U.S.A.) for refrigerant sideworking pressure of no less than 385 psig(2654 kPa). Condenser shall have a maximum fluidside working pressure of 250 psig (1724 kPa).E. Refrigerant Components:Each refrigerant circuit shall include the following mini-mum components:1. Hot gas muffler.2. Moisture indicating sight glass.3. Hermetic filter drier.4. Maximum operating pressure type electronicexpansion valve with a minimum of 760-stepcontrol and 3⁄4 -in. (19 mm) variable refrigerantmetering.5. Liquid line solenoid valve.6. Charging valve.7. Discharge gas thermostat.8. Close-fitting cellular foam insulation on all suctionlines.33 |
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