Model YCUL Air-Cooled Scroll Compressor ... - Usair-eng.com

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Guide Specifications – continuedgasket sealed outer doors. Provide main powerconnection(s), control power connections, compressorand fan motor start contactors, currentoverloads, and factory wiring.2. Power supply shall enter unit at a single location,be 3 phase of scheduled voltage, and connectto individual terminal blocks per compressor.Separate disconnecting means and/or externalbranch circuit protection (by Contractor) requiredper applicable local or national codes.B. Exposed compressor, control and fan motor powerwiring shall be routed through liquid tight conduit.2.07 ACCESSORIES AND OPTIONSSome accessories and options supercede standard productfeatures. Your YORK representative will be pleasedto provide assistance.A. Microprocessor controlled, Factory installed Acrossthe-Linetype compressor motor starters as standard.B. Outdoor Ambient Temperature Control1. Low Ambient Control: Permits unit operation to0°F (-18°C) ambient. Standard unit controls to32°F (0°C) ambient.C. Power Supply Connections:1. Single Point Power Supply: Single point TerminalBlock for field connection and interconnectingwiring to the compressors. Separate externalprotection must be supplied, by others, in theincoming power wiring, which must comply withthe National Electric Code and/or local codes.2. Single Point: Single point Non-Fused Disconnect(s)and lockable external handle (in compliance withArticle 440-14 of N.E.C.) can be supplied to isolatethe unit power voltage for servicing. Separateexternal fusing must be supplied, by others, in thein coming power wiring, which must comply withthe National Electric Code and/or local codes.3. Single Point Circuit Breaker: Single point TerminalBlock with Circuit Breaker and lockable externalhandle (in compliance with Article 44014 ofN.E.C.) can be supplied to isolate power voltagefor servicing. Incoming power wiring must complywith the National Electric Code and/or localcodes.D. Pressure & Temperature Transducers and Sensors1. Discharge Pressure Transducers: Permits unit tosense and display discharge pressure.2. Suction Pressure Transducers: Permits unit tosense and display suction pressure.3. Suction Temperature Sensors: Permits units tosense and display suction temperature.E. Control Power Transformer: Converts unit powervoltage to 120-1-60 or 120-1-50 for 50Hz units (500VA capacity). Factory mounting includes primary- andsecondary-wiring between the transformer and thecontrol panel.F. Motor Current Module: Capable of monitoring compressormotor current. Provides extra protectionagainst compressor reverse rotation, phase-loss andphase imbalance. Options consists of one module perelectrical system. (Factory mounted)G. Power Factor Correction Capacitors: Provided to correctunit compressor factors to a 0.90-0.95.H. Condenser Coil Environmental Protection:1. Pre-Coated: Epoxy coated aluminum fin stock toguard from corrosive agents and insulate againstgalvanic potential. For mild seashore or industriallocations2. Copper Fin: Provide copper fins in lieu of aluminum.3. Post-Coated Dipped: Dipped-cured coating oncondenser coils for seashore and other corrosiveapplications (with the exception of strong alkalis,oxidizers, and wet bromine, chlorine and fluorinein concentrations greater than 100ppm).I. Protective Condensing Unit Panels (Factory or FieldMounted):1. Louvered Panels (condenser coils only): Paintedsteel as per remainder of unit cabinet, over externalcondenser coil faces.2. Wire Panels (full unit): Heavy gauge, welded wiremesh,coated to resist corrosion, to protect condensercoils from incidental damage and restrictunauthorized access to internal components.3. Louvered Panels (full unit): Painted steel as perremainder of unit cabinet, to protect condensercoils from incidental damage,visually screeninternal components, and prevent unauthorizedaccess to internal components.4. Louvered/Wire Panels: Louvered steel panelson external condenser coil faces, painted as perremainder of unit cabinet. Heavy gauge, weldedwire-mesh, coated to resist corrosion, aroundbase of machine to restrict unauthorized access.J. Service Isolation valves: Service suction and discharge(ball type) isolation valves are added to unit46JOHNSON CONTROLS
FORM 150.68-EG1 (1109)per system. This option also includes a system highpressure relief valve in compliance with ASHRAE15.(Factory-mounted.)K. Hot Gas By-Pass: Permits continuous, stable operationat capacities below the minimum step of unloadingto as low as 5% capacity (depending on both theunit & operating conditions) by introducing an artificialload. Hot gas by-pass is installed on only refrigerantsystem #1 on two circuited units.L. Microprocessor Membrane Keypad Graphics on inlieu of Standard English:1. French language.2. German language.3. Spanish language.4. Italian language.M. Chicago Code Relief Valves to meet Chicago Coderequirements.N. Building Automation System (EMS) Reset Interface:Condensing Unit to accept 4 to 20mA, 0 to 10 VDC,input to reset the discharge air temperature.O. Sound Reduction (Factory Mounted):1. Low speed, reduced noise fans2. Compressor Acoustic Sound BlanketsP. Vibration Isolation (Field Mounted):1. Neoprene Pad Isolators.2. 1 Inch Deflection Spring Isolators: Level adjustable,spring and cage type isolators for mountingunder the unit base rails.3. 2 Inch Deflection Seismic Isolators: Level adjustable,restrained mounts in rugged welded steelhousing with vertical and horizontal limit stops.Housings shall be designed to withstand a minimum1.0g accelerated force in all directions to 2inches.PART 3 - EXECUTION3.01 INSTALLATIONA. General: Rig and Install in full accordance withManufacturers requirements, Project drawings, andContract documents.B. Location: Locate condensing unit as indicated ondrawings, including cleaning and service maintenanceclearance per Manufacturer instructions. Adjust andlevel condensing unit on support structure.C. Components: Installing Contractor shall provide andinstall all auxiliary devices and accessories for fullyoperational condensing unit.D. Electrical: Coordinate electrical requirements and connectionsfor all power feeds with Electrical Contractor(Division 16).E. Controls: Coordinate all control requirements andconnections with Controls Contractor.F. Finish: Installing Contractor shall paint damaged andabraded factory finish with touch-up paint matchingfactory finish.JOHNSON CONTROLS 47
Page 1 and 2: FORM 150.68-EG1 (1109)Model YCUL Ai
Page 3 and 4: IntroductionFORM 150.68-EG1 (1109)M
Page 5 and 6: MicroComputer Control CenterFORM 15
Page 7 and 8: Options and AccessoriesFORM 150.68-
Page 9 and 10: Unit NomenclatureFORM 150.68-EG1 (1
Page 11 and 12: Selection Data - continuedFORM 150.
Page 13 and 14: FORM 150.68-EG1 (1109)TABLE 4 - REF
Page 15 and 16: FORM 150.68-EG1 (1109)MODEL: YCUL00
Page 31 and 32: FORM 150.68-EG1 (1109)50HzModel No.
Page 33 and 34: FORM 150.68-EG1 (1109)All dimension
Page 35 and 36: FORM 150.68-EG1 (1109)All dimension
Page 37 and 38: FORM 150.68-EG1 (1109)NEOPRENE ISOL
Page 39 and 40: Electrical Data - 50 & 60HzFORM 150
Page 41 and 42: Electrical NotesFORM 150.68-EG1 (11
Page 43 and 44: Application DataFORM 150.68-EG1 (11
Page 45: FORM 150.68-EG1 (1109)1. Coils: Int

Model YCUL Air-Cooled Scroll Compressor ... - Usair-eng.com

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