Carrier EVERGREEN 23XRV Product Data
Also see for EVERGREEN 23XRV: Start-up and service instructionsStart-up and service instructionsStart-up and service instructionsInstallation instructionsInstallation instructions
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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 if configured to do so.H. Electrical Requirements:1. Electrical contractor shall supply and installmain electrical power line, disconnect switches,circuit breakers, and electrical protectiondevices per local code requirements and as indi-cated necessary by the chiller manufacturer.2. Electrical contractor shall wire the chilled waterpump and flow, condenser water pump andflow, and tower fan control circuit to the chillercontrol circuit.3. Electrical contractor shall supply and installelectrical wiring and devices required to inter-face the chiller controls with the building controlsystem if applicable.4. Electrical power shall be supplied to the unit atthe voltage, phase, and frequency listed in theequipment schedule.I. Piping Requirements — Instrumentation and Safeties:1. Mechanical contractor shall supply and installpressure gages in readily accessible locations inpiping adjacent to the chiller such that they canbe easily read from a standing position on thefloor. Scale range shall be such that design val-ues shall be indicated at approximately mid-scale.2. Gages shall be installed in the entering and leav-ing water lines of the cooler and condenser.J. Vibration Isolation:Chiller manufacturer shall furnish neoprene isolatorpads for mounting equipment on a level concretesurface.K. Start-Up:1. The chiller manufacturer shall provide a factory-trained representative, employed by the chillermanufacturer, to perform the start-up proce-dures as outlined in the Start-Up, Operationand Maintenance manual provided by thechiller manufacturer.2. Manufacturer shall supply the followingliterature:a. Start-up, operation and maintenanceinstructions.b. Installation instructions.c. Field wiring diagrams.d. One complete set of certified drawings.L. Special Features:1. Soleplate Package:Unit manufacturer shall furnish a soleplatepackage consisting of soleplates, jackingscrews, leveling pads, and neoprene pads.2. Spring Isolators:Spring isolators shall be field furnished andselected for the desired degree of isolation.3. Spare Sensors with Leads:Unit manufacturer shall furnish additional tem-perature sensors and leads.4. Sound Insulation Kit:Unit manufacturer shall furnish a sound insula-tion kit that covers the compressor housing,motor housing, compressor discharge pipe,suction line, evaporator, and economizer (ifequipped).5. Stand-Alone Pumpout Unit:A free-standing pumpout unit shall be provided.The pumpout unit shall use a semi-hermeticreciprocating compressor with liquid-cooledcondenser. Condenser liquid piping and3-phase motor power shall be installed at thejobsite by the installing contractor.6. Separate Storage Tank and Pumpout Unit:A free-standing refrigerant storage tank andpumpout unit shall be provided. The storagevessels shall be designed per ASME Section VIIIDivision 1 code with 150 psig (1034 kPa)design pressure. Double relief valves per ANSI/ASHRAE 15, latest edition, shall be provided.The tank shall include a liquid level gage andpressure gage. The pumpout shall use ahermetic reciprocating compressor with water-cooled condenser. Condenser water piping and3-phase motor power shall be installed at thejobsite by the installing contractor.7. Building Control System Interface (LON):The chiller control system shall have the abilityto interface and communicate directly to thebuilding control using a LON based system. TheLonWorks Carrier Translator shall output datain standard LON profiles.8. Refrigerant Charge:The chiller shall ship from the factory fullycharged with R-134a refrigerant and oil.9. Thermal Insulation:Unit manufacturer shall insulate the coolershell, economizer, suction elbow, motor shelland motor cooling lines. Insulation shall be 1 in.(25.4 mm) thick with a thermal conductivity notexceedingand shall conform to UL standard 94, classifica-tion 94 HF-1.10. Automatic Hot Gas Bypass:Hot gas bypass valve and piping shall befactory-furnished to permit chiller operation forextended periods of time.0.28 (Btu · in.) ( 0.0404 W )hr. Ft 2 F m CGuide specifications (cont) |
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