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246653-YTG-E-0108
TOMORROW’S UNIT TODAY
GENERAL
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 manu-
factured at an ISO 9001 registered facility, and each rooftop
TECHNICAL GUIDE
is completely computer-run tested prior to shipment.
The Millennium is designed to be flexible enough to meet
®
MILLENNIUM
your needs today and in the future. The true value of YORK’s
Millenni
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246653-YTG-E-0108 TABLE OF CONTENTS GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 ECONOMIZER (OPTIONAL) . . . . . . . . . . . . . . . . . . . . . . 90 FEATURING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 RELIEF SYSTEM (OPTIONAL) . . . . . . . . . . . . . . . . . . . . 90 BAROMETRIC RELIEF (OPTIONAL) . . . . . . . . . . . . . . . 90 MILLENNIUM SIMPLICITY® ELITE™ FEATURES . . . . . 1 EXHAUST AIR FANS (OPTIONAL) . . . . . . . .
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246653-YTG-E-0108 LIST OF FIGURES Fig.# Pg.# Fig.# Pg.# 1 HOT WATER PIPING CROSS-SECTION . . . . . . . . . 15 18 STEAM PIPING CROSS SECTION . . . . . . . . . . . . . . 25 2 HOT WATER COIL - 25 & 30 TON, 1 ROW, 19 STEAM COIL - 25 & 30 TON, 1 ROW . . . . . . . . . . . . 26 AT 10 GPM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 20 STEAM COIL - 40 TON, 1 ROW . . . . . . . . . . . . . . . . 26 3 HOT WATER COIL - 25 & 30 TON, 1 RO
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246653-YTG-E-0108 LIST OF TABLES Tbl.# Pg.# Pg.# Tbl.# 1 GENERAL PHYSICAL DATA . . . . . . . . . . . . . . . . . . . 10 34 COOLING PERFORMANCE 40 TON STANDARD CAPACITY COIL . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 2 REFRIGERANT CHARGE . . . . . . . . . . . . . . . . . . . . . 11 35 COOLING PERFORMANCE 40 TON HIGH 3 STANDARD GAS HEATING CAPACITIES . . . . . . . . 12 CAPACITY COIL . . . . . . . . . . . . . . . . . . . . . . . . .
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246653-YTG-E-0108 ® YORK Millennium Efficient, Durable Scroll Compressors - The Millennium OVERVIEW design uses industrial grade hermetic scroll compressors for peak efficiency and low noise operation. The compressor Introducing the YORK Millennium 25, 30, & 40 ton rooftop design is so durable that it can actually hold more liquid line - units designed to provide peak performance and value charge without slugging than is present in each refrigerant both today and for years to come. When we aske
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246653-YTG-E-0108 Optional Head Pressure Control - For those applications ers. Comparative enthalpy, single enthalpy and dry bulb con- where mechanical cooling is required below 40°F, optional trol are available. low ambient operation allows compressor operation down to - A conveniently 0°F. Optional Factory Installed Disconnect located actuator handle in the front of the unit can disconnect Easily Upgrade Motor Efficiency to Meet Tighter Codes - line power to the entire unit, eliminating the n
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246653-YTG-E-0108 PITCHED ROOF ANGLED CONDENSER COILS SOLID, CLASS II FAN CONSTRUCTION INTERTWINED COIL DOUBLE WALL CONSTRUCTION HINGED, LATCHED ACCESS DOORS LOW LEAK DAMPERS Low Profile - Millennium units stand only 64” above their CONSTRUCTION FEATURES curb, minimizing potential aesthetic conflicts. YORK's Millennium rooftop line is built for the long haul, with Extended flue connection - Each gas unit ships with a field high end features and construction offered at a competitive mounted exte
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246653-YTG-E-0108 LIST OF FEATURES AND BENEFITS Standard Features Field Installed Accessories • 9.5 EER (10 EER on 25 ton) • 7-Day Programmable Wall Thermostat-Can be used with • Double wall construction or without remote sensors. Can be used on CV and VAV • Major components have hinged and latched access units when wall thermostat is required for scheduling and doors temperature control. • Industrial duty scroll compressors • Energy Recovery Ventilators- 8,000 and 13,000 CFM • Sturdy framed
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246653-YTG-E-0108 NOMENCLATURE Johnson Controls Unitary Products 9 Y 3 3 A N 3 4 B 1 A A C A D 1 2 3 4 5 6 7 8 9 10 11 12 13 1412 3 4 PACKAGE ADDITIONAL Y = York Brand R22 CONFIGURATION CONTROL VOLTAGE FILTERS OPTIONS D = SYNTHESYS CONTROL 2 = 208/230-60 A = STAND. Cu/Cu Condenser Coil E = SYNTHESYS CONTROL, 3 = 380-60 B = 65% Cu/Cu Evaporator Coil DISC., 110V OUTLET 4 = 460-60 C = 95% Exhaust VFD (Customer)
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246653-YTG-E-0108 TABLE 1: GENERAL PHYSICAL DATA UNIT SIZE 25 TON 30 TON 40 TON UNIT EER / IPLV 10.0 / 10.92 9.5 / 10.97 9.5 / 9.73 (STANDARD CAPACITY EVAPORATOR) COMPRESSOR DATA NUMBER/SIZE 2 x 12.5 Ton 3 x 10 Ton 4 x 10 Ton TYPE Scroll Scroll Scroll UNIT CAPACITY STEPS 50%, 100% 33%, 67%, 100% 25%, 50%, 75%, 100% INDOOR FAN AND DRIVE NUMBER / TYPE 1 / FC 1 / FC 1 / FC DIAMETER X WIDTH (INCHES) 22 x20 22 x 20 25 x 22 HP RANGE 7.5 - 20 10 - 25 10 - 25 CFM RANGE (FULL LOAD) 6,000 - 12,500 6,000 -
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246653-YTG-E-0108 TABLE 2: REFRIGERANT CHARGE CHARGE FACTORY/ FIELD UNIT (TONS) MODEL TYPE CHARGED SYS #1 SYS #2 SYS #3 SYS #4 25 wo/HGBP R22 Factory 25 lb. / 8 oz. 26lb / 0oz - - 25 w/HGBP R22 Factory 26 lb. / 0 oz. 26 lb. / 0oz - - 30 wo/HGBP R22 Factory 13 lb. / 4 oz. 13 lb. / 8 oz. 13 lb. / 8 oz. - 1 30 R22 Factory 14 lb. / 6 oz. 14 lb. / 10 oz. 14 lb. / 10 oz. - wo/HGBP 30 w/HGBP R22 Factory 14 lb. / 0 oz. 13 lb. / 8 oz. 13 lb. / 8 oz. - 1 30 w/HGBP R22 Factory 15 lb. / 2 oz. 14 lb. / 10
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246653-YTG-E-0108 TABLE 3: STANDARD GAS HEATING CAPACITIES 1 3 INPUT CAPACITY (MBH) OUTPUT GAS RATE, CU. FT./HR. GAS HEAT AVAILABLE ON CAPACITY OPTION MODELS 1ST STAGE TOTAL 2 1ST STAGE TOTAL (MBH) N3 Y32/Y33/Y34 267 267 213 247 247 N5 Y32/Y33/Y34 267 533 426 247 495 4 N8 Y34 ONLY 267 800 638 247 742 1. Heating capacity is only staged on CV models. VAV models use only one stage at full capacity. 2. Blower motor heat not included. 3. 3 Based on a heat content of 1075 Btu/Ft. 4. Unit Control Bo
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246653-YTG-E-0108 TABLE 7: MODULATING HEAT STAGES OF GAS CONTROL (% OF FULL HEAT OUTPUT) GAS HEAT OPTION AVAILABLE ON MODELS STEP INPUT OUTPUT % OF TOTAL OUTPUT 1 69,333 55,466 26% 2 106,666 85,333 40% D3 3 165,332 132,266 62% (Turn down ration Y32, Y33, Y34 4 202,665 162,132 76% 3.8 to 1) 5 229,332 183,466 86% 6 266,666 213,333 100% 1 69,333 55,466 13% 2 106,666 85,333 20% 3 165,332 132,266 31% 4 202,665 162,132 38% 5 229,332 183,466 43% D5 6 266,666 213,333 50% (Turn down ration Y32, Y33, Y34
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246653-YTG-E-0108 1 HOT WATER HEATING The YORK Millennium Rooftop units (30 - 40 Ton sizes) can be furnished with a YORK hot water coil as the source of heat DO NOT use tin based solder. Brazing with tin (Bottom Supply Only). A one or two row coil will be factory based solder could cause equipment damage or installed in the heating section downstream of the supply air possible injury to OCCUPANTS of the structure fan and just above the supply air opening in the bottom of the that is being condit
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246653-YTG-E-0108 1 TABLE 13: HOT WATER COIL (1 ROW 40 TON) (1 OR 2 ROW) CAPACITY (MBH) AT ENTERING WATER TEMPERATURE GPM CFM CONDENSING HOT WATER 140 °F 160 °F 180 °F 200 °F COIL SECTION 8000 102 128.8 155.8 182.9 26" 11000 114 144.1 174.4 205.1 INLET (2") OUTLET (2") 10 14000 123.2 155.9 188.8 222.1 OUTSIDE OF 15.8" BASE RAIL 11.88" 17000 130.6 165.4 200.4 235.8 8.38" 20000 136.8 173.3 210.1 247.3 2.25" 2.55" 8000 116.8 147 177.2 207.7 88.75" 11000 133.2 167.7 202.3 237.2 HEAT SECTION C COMPA
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246653-YTG-E-0108 230.0 220.0 210.0 200.0 190.0 180.0 170.0 140 °F 160.0 160 °F 180 °F 150.0 200 °F 140.0 130.0 120.0 110.0 100.0 90.0 80.0 6000 7000 8000 9000 10000 11000 12000 13000 14000 15000 FLO W R A T E (C FM ) FIGURE 2 - HOT WATER COIL - 25 & 30 TON, 1 ROW, AT 10 GPM 270.0 260.0 250.0 240.0 230.0 220.0 210.0 200.0 190.0 140 °F 160 °F 180.0 180 °F 170.0 200 °F 160.0 150.0 140.0 130.0 120.0 110.0 100.0 90.0 6000 7000 8000 9000 10000 11000 12000 13000 14000 15000 FLO W RATE (CFM ) FIGURE 3
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246653-YTG-E-0108 290.0 280.0 270.0 260.0 250.0 240.0 230.0 220.0 210.0 14 0 °F 200.0 16 0 °F 18 0 °F 190.0 20 0 °F 180.0 170.0 160.0 150.0 140.0 130.0 120.0 110.0 100.0 6000 7000 8000 9000 10000 11000 12000 13000 14000 15000 FL O W R A T E (C F M ) FIGURE 4 - HOT WATER COIL - 25 & 30 TON, 1 ROW, AT 30 GPM 300.0 290.0 280.0 270.0 260.0 250.0 240.0 230.0 220.0 140 °F 210.0 160 °F 200.0 180 °F 190.0 200 °F 180.0 170.0 160.0 150.0 140.0 130.0 120.0 110.0 100.0 6000 7000 8000 9000 10000 11000 12000
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246653-YTG-E-0108 250.0 240.0 230.0 220.0 210.0 200.0 190.0 180.0 140 °F 160 °F 170.0 180 °F 200 °F 160.0 150.0 140.0 130.0 120.0 110.0 100.0 90.0 8000 9000 10000 11000 12000 13000 14000 15000 16000 17000 18000 19000 20000 FLO W R AT E (C FM ) FIGURE 6 - HOT WATER COIL - 40 TON, 1 ROW, AT 10 GPM 300.0 290.0 280.0 270.0 260.0 250.0 240.0 230.0 220.0 140 °F 210.0 160 °F 200.0 180 °F 190.0 200 °F 180.0 170.0 160.0 150.0 140.0 130.0 120.0 110.0 100.0 8000 9000 10000 11000 12000 13000 14000 15000 160
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246653-YTG-E-0108 320.0 310.0 300.0 290.0 280.0 270.0 260.0 250.0 240.0 230.0 140 °F 220.0 160 °F 180 °F 210.0 200 °F 200.0 190.0 180.0 170.0 160.0 150.0 140.0 130.0 120.0 110.0 8000 9000 10000 11000 12000 13000 14000 15000 16000 17000 18000 19000 20000 FLOW RATE (CFM ) FIGURE 8 - HOT WATER COIL - 40 TON, 1 ROW, AT 30 GPM 340.0 330.0 320.0 310.0 300.0 290.0 280.0 270.0 260.0 250.0 140 °F 240.0 160 °F 230.0 180 °F 220.0 200 °F 210.0 200.0 190.0 180.0 170.0 160.0 150.0 140.0 130.0 120.0 8000 9000
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246653-YTG-E-0108 PHYSICAL DATA HOT WATER COIL - 2 ROW TABLE 16: HOT WATER COIL (2 ROW, 25 & 30 1 TON) (CONTINUED) Coil Casing . . . . . . . . . . . . . . . . . . . . Galvanized Steel CAPACITY (MBH) AT ENTERING WATER TEMPERATURE GPM CFM Coil Construction. . . . . . . . . . . . . . . . Al Fin / Cu. Tube 140 °F 160 °F 180 °F 200 °F 6000 206.1 258.7 311.4 364.2 Rows Deep . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 8000 243.6 305.9 368.4 431.1 60 10000 275.3 345.9 416.8 488.0
