York Y32, Y33, Y34 manual Guide Specifications York Millennium 25, 30, & 40 TON Units

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246653-YTG-E-0108

GUIDE SPECIFICATIONS - YORK MILLENNIUM 25, 30, & 40 TON UNITS

GENERAL

Units shall be manufactured by Johnson Controls Unitary Products in an ISO 9001 certified facility. Introducing the YORK Millennium 25, 30, & 40 ton rooftop line - units designed to provide peak performance and value both today and for years to come. Millennium units are manufactured at an ISO 9001 registered facility, and each rooftop is com- pletely computer-run tested prior to shipment. The Millennium is designed to be flexible enough to meet your needs today and in the future. The true value of York's Millennium is that it can be designed to fit any need, from cooling only, constant volume applications to variable air volume systems with vari- able frequency drive.

DESCRIPTION

Supply York Millennium packaged rooftop system in accor- dance with the capacities in the plans. Units shall be rated by the manufacturer at a minimum (30/40 Ton units: 9.5 EER / 25 Ton units: 10 EER) according to ARI 360. Units shall be shipped in a single package, fully charged with R-22 refriger- ant. The manufacturing facility shall be registered under ISO 9001 Quality Standards for Manufacturing. Units shall carry both ETL and CSA safety approval ratings. Tags and decals to aid in the service or indicate caution areas shall be pro- vided. Installation and maintenance manuals shall be sup- plied with each unit. Units shall be capable of providing mechanical cooling down to 40°F (0°F with low ambient kit). Unit shall be capable of starting and running at 125°F. Unit electric and gas connections shall be either through the curb or the side of the unit.

CONSTRUCTION

Base

The base rail shall be constructed of 12 gauge galvanized steel, extending the full perimeter of the unit. All components shall be supported from the base, and the base shall include integral lifting lugs. The unit base rail shall overhang the roof curb for water runoff and shall have a fabricated recess with a continuous flat surface to seat on the roof curb gasket, pro- viding a positive, weather tight seal between the unit and the curb.

Casing

The unit cabinet shall be double wall construction to provide both maximum resistance to bacterial growth in the air stream and superior structural integrity. All sheet metal shall be G90 mill galvanized sheet metal, formed and reinforced to provide a rigid assembly. Sheet metal shall be cleaned in an alkaline and zinc phosphate bath, and the exterior surfaces shall be coated with a 1.5 mil powder paint, capable of withstanding 1000 salt spray hours in accordance with ASTM B-117. The unit shall be insulated with 1-1/2", 1 pound density fiberglass insulation between the two sheet metal skins. Insulation shall

meet NFPA-90A regulations for smoke and flame spread rat- ings. The cabinet corner post and the intermediate side sup- ports shall be 16 gauge steel. All access doors shall be 18 gauge on the exterior surfaces, and 20 gauge on the interior. Floor shall be 18 gauge, and 24 gauge. All serviceable sec- tions shall have hinged access doors with latches on both sides of the unit. All access doors shall be constructed of 20 gauge steel on the outside, with 24 gauge on the inside. Each door shall seal against a rubber gasket to prevent air and water leakage. The roof shall be double wall, with 18 gauge on the external surface and 24 gauge on the interior. The roof shall be formed with a 45 degree drip lip overhanging the sidewalls to prevent precipitation drainage from streaming down the side of the unit. Roof sections shall be connected together via integral channels fastened with screws and sealed with rubber gasketing. Each fastened seam shall be further protected by a sheet metal channel covering the full length of the gasket surface, making a completely water tight seal.

SUPPLY AIR SYSTEM

SUPPLY AIR FAN

Fans shall be centrifugal type - Class I or Class II, statically and dynamically balanced in the factory. Fan wheels shall be designed for continuous operation at the maximum rate of fan speed and motor HP. The fan and motor assembly shall be mounted on a common base to allow consistent belt tension with no relative motion between the fan and motor shafts. The entire assembly shall be isolated from the unit base with (optional 1”, 2" deflection springs or rubber isolators). The fan discharge shall be connected to the cabinet through a rein- forced neoprene flexible connection to eliminate vibration transmission from the fan to the unit casing. Fans shall be double-width, double-inlet with forward curved blades.

OPTIONAL

On variable air volume units without variable frequency drives, fans shall be provided with heavy gauge, corrosion resistant blades, with zinc-plated steel inter-locking operating mechanism. Both inlet vanes must operate from a single shaft and be synchronized for precise control.

Units equipped with variable frequency drive on supply fan must be controlled by a duct static transducer providing a 2- 10 VDC signal to the drive. Supply fan variable frequency drives shall have factory option of being equipped with a manual drive bypass.

BEARINGS AND DRIVES

Bearings shall be self-aligning pillow-block re-greasable ball bearings with an average life expectancy of 200,000 hours. Grease fittings shall be accessible through access doors. Fan motors shall be NEMA designed, Standard efficiency (option, Hi-efficiency) ball bearing type with electrical characteristics and horsepower as specified. Motors shall be 1750 RPM, open drip proof type. The motor shall be located within the unit on an adjustable, heavy steel base. All fan motor drives

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Contents Millennium Single Package Rooftop Units Millennium Simplicity Elite FeaturesTOMORROW’S Unit Today General FeaturingTable of Contents List of Figures Power Exhaust ONE Forward CurveElectrical Data 40 TON with Electric List of TablesOverview Features and BenefitsInstallation Features Construction Features Standard Features List of Features and BenefitsFactory Installed Options Field Installed AccessoriesNomenclature General Physical Data Refrigerant Charge Selection ProcedureSelect Unit Unit Tons Model TypeStandard GAS Heating Capacities Temperature RiseMinimum Heating CFM Modulating GAS Heating CapacitiesMBH Modulating HeatElectric Heating Capacities Physical Data HOT Water Coil 1 ROW HOT Water HEATING1Water Pressure Drop 1 ROW, 25 & 30 TON Static Resistance HOT Water Coil 25 & 30 TONHOT Water Coil 1 ROW 40 TON1 HOT Water Coil 25 & 30 TON, 1 ROW, AT 10 GPM HOT Water Coil 25 & 30 TON, 1 ROW, AT 30 GPM HOT Water Coil 40 TON, 1 ROW, AT 10 GPM HOT Water Coil 40 TON, 1 ROW, AT 30 GPM Water Pressure Drop 2 ROW, 25 & 30 TON Physical Data HOT Water Coil 2 ROWHOT Water Coil 2 ROW, 25 & 30 TON1 HOT Water Coil 2 ROWS, 40 TON1HOT Water Coil 25 & 30 TON, 2 ROW, AT 20 GPM HOT Water Coil 25 & 30 TON, 2 ROW, AT 60 GPM HOT Water Coil 40 TON, 2 ROW, AT 20 GPM HOT Water Coil 40 TON, 2 ROW, AT 60 GPM Physical Data Steam Coil 1 ROW Steam HeatingSteam Coil 1 ROW, 40 TON Static Resistance Steam Coil 1 ROW, 40 TONSteam Coil 40 TON, 1 ROW Supply FAN Motor and Drive DATA1 Exhaust FAN Drive DataRPM STDExample Supply AIR Drive Adjustment40 TON Drive Adjustment 25 TON Drive Adjustment30 TON Drive Adjustment Drive Adjustment for Power Exhaust 30 & 40 TON Drive Adjustment for Power Exhaust 25 TONRPM REQ’D PD HP M Otor & 976 RPM D RiveMBH Cooling Performance 25 TONCooling Performance 30 TON Standard Capacity Coil 95F 105F 125F Cooling Performance 30 TON High Capacity Coil 95F 105F CFM Cooling Performance 40 TON Standard Capacity Coil 95F 105F 115F 125F Cooling Performance 40 TON High Capacity Coil 95F 105F 115F 125F AIR Temp Altitude Feet Altitude Correction FactorsYTG-E-0108 Available External Static Pressure IWG Airflow CFM RPM BHP3 FAN Performance 25 TON1800 RPM BHP3 FAN Performance 30 TON 1Ton Forward Curve 18000 FAN Performance 40 TON1,2FAN Performance 40 TON FAN Performance 25 & 30 TON AIRFOIL1,2 1601 1636 1672 1707 1740 FAN Performance 40 TON AIRFOIL1,2 17000 18000 Component Static RESISTANCE1 Available External Static Pressure IWG Airflow CFM RPM BHP2 Power Exhaust ONE Forward Curved FAN 25 TON1Power Exhaust 25 Ton Power Exhaust TWO Forward Curved Fans 30 & 40 TON1 Power Exhaust TWO Forward Curved Fans 30 & 40 Tons Electrical Data 30 TON Basic Unit R22 Electrical Data 25 TON Basic Unit R22Electrical Data 40 TON Basic Unit R22 MCA Electrical Data 25 TON with Electric Heat R22MPS RLA LRA MCC QTY FLAQTY RLA LRA MCC FLA Electrical Data 30 TON with Electric Heat R22Electrical Data 40 TON with Electric Heat R22 Electrical Data 25 TON with Power Exhaust R22 Electrical Data 30 TON with Power Exhaust R22 Electrical Data 40 TON with Power Exhaust R22 RLA LRA MCC YTG-E-0108 11.0 14.2 100 22.2 17.0 22.0 110 208-3-60 460-3-60 11.0 17.0 12.4 19.3 100 22.0 110 27.0 102 109 125 107 208-3-60 460-3-60 11.0 17.0 100 12.4 19.3 110 22.0 101 125 27.0 107 102 109 Supply FAN Motor VFD Weights Unit WeightsExhaust FAN Motor VFD Weights LECT. H EATIndoor Sound Power Rating Unit CornerweightOutdoor Sound Power Rating Attenuation FactorsRear Left Side Right Left Side Left Side Rear Front Rear Rear Millennium Overhead View Back View Endfixedreturnoutsideorwithair Partial Roof Curb Model 1RC0455P Guide Specifications York Millennium 25, 30, & 40 TON Units AIR Filtering System Energy Recovery Ventilation Field Installed OptionAIR Inlet System Heating System OptionalElectric Heating Section Refrigeration SystemHot Water Heating Coil Steam Heating CoilControls Equipment Control Features Comfort Control FeaturesOverview Optional Communication TranslatorOptional Control Available AccessoriesJohnson Controls Unitary Products York Drive Norman, OK

Y32, Y34, Y33 specifications

The York Y33, Y32, and Y34 series represents a significant advancement in rooftop packaged units designed for commercial HVAC applications. These models are known for their reliability, energy efficiency, and innovative features that cater to diverse climate control needs.

The York Y33 series introduces modern features aimed at maximizing comfort and reducing energy costs. Its sleek design and compact size make it a versatile option for various applications, including retail spaces, office buildings, and industrial facilities. One of the standout features of the Y33 is its variable-speed compressor technology. This allows the unit to adjust its cooling output based on real-time demand, resulting in notable energy savings compared to traditional single-speed units.

The Y32 model builds upon the strengths of the Y33, offering enhanced capabilities for large commercial spaces. It incorporates advanced controls and building management system (BMS) connectivity, enabling seamless integration into existing infrastructure. The Y32 is designed with a focus on ease of maintenance and serviceability, featuring accessible components that streamline repair processes.

The York Y34 series emphasizes environmentally friendly practices, utilizing low-GWP refrigerants that minimizes its impact on the environment. It also boasts improved heat exchangers that increase efficiency and performance. The Y34’s design minimizes noise levels, making it ideal for applications where quiet operation is paramount, such as schools and healthcare facilities.

All three models share several key technologies, including fan and motor designs that optimize airflow while reducing energy consumption. Additionally, the series features enhanced insulation, significantly improving thermal performance and reducing the risk of condensation-related issues.

In summary, the York Y33, Y32, and Y34 models represent a commitment to innovation in commercial HVAC systems. Their combination of advanced technology, energy efficiency, and user-friendly design makes them suitable for a variety of applications while promoting sustainability and operational cost-effectiveness. Investing in these units not only supports optimal indoor climate control but also aligns with the growing demand for eco-friendly solutions in today’s commercial landscape.
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