York MILLENNIUM Y22 Installation Manual
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York MILLENNIUM Y22 Installation Manual

York MILLENNIUM Y22 Installation Manual

25, 30 & 40 ton
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INSTALLATION
MANUAL
CONTENTS
NOMENCLATURE . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . 8
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
GAS HEATING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
GAS FURNACE OPERATING INSTRUCTIONS . . . 68
MILLENNIUM SEQUENCE OF OPERATION . . . . . 70
TROUBLESHOOTING A MILLENNIUM SIMPLICITY
CONTROL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
THE MILLENNIUM SIMPLICITY CONTROL . . . . . . 96
SIMPLICITY PROGRAMMING OPTIONS . . . . . . . 106
SETTABLE SYSTEM PARAMETERS. . . . . . . . . . 106
SERVICE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
See the following pages for a complete Table of Contents.
NOTES, CAUTIONS AND WARNINGS
Installer should pay particular attention to the words: NOTE,
CAUTION, and WARNING. Notes are intended to clarify or
make the installation easier. Cautions are given to prevent
equipment damage. Warnings are given to alert installer
that personal injury and/or equipment damage may result if
installation procedure is not handled properly.
CAUTION: READ ALL SAFETY GUIDES BEFORE YOU
BEGIN TO INSTALL YOUR UNIT.
SAVE THIS MANUAL
MILLENNIUM™ ROOFTOP
25, 30 & 40 TON
MODELS:
Y22
Y23
Y24
102777-YIM-E-0206

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  • Page 1 INSTALLATION MILLENNIUM™ ROOFTOP MANUAL 25, 30 & 40 TON MODELS: CONTENTS NOMENCLATURE ......6 GENERAL .

  • Page 2: Table Of Contents

    102777-YIM-E-0206 TABLE OF CONTENTS NOMENCLATURE ......6 AIR BALANCE........63 CHECKING AIR QUANTITY .
  • Page 3 102777-YIM-E-0206 OPERATION FOR HEATING WITH W1, W2, AND W3 ERV..........92 INPUTS .
  • Page 4 102777-YIM-E-0206 SETTABLE SYSTEM PARAMETERS ..106 25 POWER EXHAUST - TWO FORWARD CURVED FANS - 30 & 40 TONS ....... 62 SERVICE .
  • Page 5 102777-YIM-E-0206 LIST OF TABLES Tbl. # Pg. # Tbl. # Pg. # COOLING & ELECTRICAL APPLICATION ..9 34 BELT ADJUSTMENT ......64 COOLING &...

  • Page 6: Nomenclature

    102777-YIM-E-0206 NOMENCLATURE Unitary Products Group...

  • Page 7: Component Location

    102777-YIM-E-0206 EVAPORATOR COIL AND DRAINPAN ACCESS POWER & CONTROL WIRING FILTER ACCESS COMPRESSOR ACCESS REAR RIGHT SIDE HEAT SECTION FRONT LEFT SIDE POWER EXHAUST ACCESS HEAT SECTION EVAPORATOR COIL AND DRAINPAN ACCESS FILTER DRIERS FILTER ACCESS REAR SUPPLY BLOWER & MOTOR FIGURE 1 - COMPONENT LOCATION Unitary Products Group...

  • Page 8: General

    102777-YIM-E-0206 GENERAL YORK Model Y22/Y23/Y24 units are single package cooling only or cooling with gas, electric, hot water or steam heating designed for outdoor installation on a rooftop and for non-res- idential use. This Furnace is not to be used for temporary heat- ing of buildings or structures under construction.

  • Page 9: Reference

    102777-YIM-E-0206 REFERENCE LOCATION Additional information is available in the following reference Use the following guidelines to select a suitable location for forms: these units: • 036-21091-004 - Technical Guide • TBD - Unit Replacement Parts List (25, 30 & 40 Tons) TABLE 1: COOLING &...

  • Page 10: Typical Rigging

    NOTICE TO RIGGERS CABLES If a unit is to be installed on a roof curb other than SPREADER BARS a YORK roof curb, gasketing must be applied to all (3 PLACES) surfaces that come in contact with the unit under- side.

  • Page 11: Center Of Gravity

    102777-YIM-E-0206 TABLE 4: UNIT WEIGHTS TABLE 5: SUPPLY FAN MOTOR VFD WEIGHTS COMPONENT 25 TON 30 TON 40 TON Supply Fan Motor VFD 230V 460V 575V Basic Unit 4350 4550 4950 W/O Bypass Gas Heat 7.5hp 233 MBH 466 MBH 10hp 700 MBH 15hp...

  • Page 12: Rigging And Handling

    102777-YIM-E-0206 RIGGING AND HANDLING • Rig with six cables and spread with four 95-inch spread- ers across width and two spreaders of length equal to A + B. This unit is not designed to be handled with a fork-truck. • Refer to Tables 4 and 7 for unit weight.

  • Page 13: Ductwork

    102777-YIM-E-0206 When the unit is equipped with power exhaust fans or return air fan the return duct should have a 90 elbow before opening to the building space to abate noise. (GAS HEATING OPERATION) The supply and return air duct systems should be designed for the CFM and static pressure requirements of the job.

  • Page 14: Service Access

    102777-YIM-E-0206 FILTERS U N I T B A S E Throwaway or rigid filters are supplied with each unit. Filters D R A I N C O N N E C T I O N must always be installed ahead of evaporator coil and must F A C T O R Y I N S T A L L E D be kept clean or replaced with same size and type.

  • Page 15: Power And Control Wiring

    102777-YIM-E-0206 POWER AND CONTROL WIRING Refer to Figure 5 for typical field wiring and to the appropriate unit wiring diagram mounted inside control doors for control circuit and power wiring information. Field wiring to the unit must conform to provisions of National Electrical Code (NEC) ANSI / NFPA 70-Latest Edition and / or POWER WIRING DETAIL local ordinances.

  • Page 16: Gas Heating

    102777-YIM-E-0206 GAS HEATING GAS CONNECTION The gas supply line should be routed within the space and penetrate the roof at the gas inlet connection of the unit. Refer to Fig. 13 -- 16 to locate the access opening. Typical supply piping arrangements are shown in Figure 5. On VAV units with gas fired furnace, ALL INDIVID- UAL ROOM DAMPER BOXES MUST BE CON- TROLLED FULL OPEN DURING HEATING...

  • Page 17: Vent And Combustion Air

    102777-YIM-E-0206 soap solution or other material suitable for the purpose. R E M O V E S H I P P I N G NEVER USE A FLAME P L A T E S O U T E R D O O R P A N E L The furnace and its individual manual shut-off valve must G A S H E A T S E C T I O N be disconnected from the gas supply piping system dur-...

  • Page 18: Electric Heat

    HOT WATER HEAT All piping, control valves, and wiring that is field The YORK Millennium units (25, 30, and 40 Ton sizes) can be installed must be properly insulated and conform furnished with a YORK hot water coil as the heat source. One to all local and national codes.

  • Page 19: Piping Connections

    PIPING CONNECTIONS The hot water pipping must enter the unit through the floor of The YORK Millennium units (25, 30 and 40 Ton sizes) can be the heat section compartment. The access doors to the com- furnished with a YORK single row steam coil. YORK steam partment are gasketed so the compartment can be sealed.

  • Page 20: Piping Connections

    102777-YIM-E-0206 NOTE: The steam control valve, power and control wiring to the actuator of the valve is the responsibility of the installing party. DO NOT use tin based solder. Brazing with tin based solder could cause equipment damage or possible injury to tenets of the structure that is being conditioned.
  • Page 21 102777-YIM-E-0206 TABLE 11: GENERAL PHYSICAL DATA UNIT SIZE 25 TON 30 TON 40 TON Unit EER 10.0 Compressor Data Number/Size 2 x 13 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...

  • Page 22: Electrical Data Basic Unit - 25 Ton

    102777-YIM-E-0206 TABLE 12: REFRIGERANT CHARGE CHARGE FACTORY/ FIELD UNIT (TONS) MODEL TYPE CHARGED SYS #1 SYS #2 SYS #3 SYS #4 wo/HGBP Factory 27 lb. / 0 oz. 26lb / 0oz w/HGBP Factory 27 lb. / 8 oz. 26 lb. / 0oz wo/HGBP Factory 13 lb.

  • Page 23: Electrical Data Basic Unit - 30 Ton

    102777-YIM-E-0206 TABLE 14: ELECTRICAL DATA BASIC UNIT - 30 TON COMPRESSORS COND. FAN MOTOR SUPPLY AIR MOTOR BASIC UNIT VOLTAGE MAX. OVERCURRENT QTY. QTY. TOTAL PROTECTION DEVICE 30.8 46.2 208-3-60 38.5 4.0 ea. 12.0 59.4 74.8 230-3-60 38.5 3.6 ea. 10.8 460-3-60 18.8...

  • Page 24: Electrical Data Basic Unit With Electric Heat - 25 Ton

    102777-YIM-E-0206 TABLE 16: ELECTRICAL DATA BASIC UNIT WITH ELECTRIC HEAT - 25 TON ELECTRIC HEAT SUPPLY AIR MOTOR BASIC UNIT W/ ELECTRIC HEAT VOLTAGE MAX OVERCURRENT NOMINAL KW APPLIED KW PROTECTION DEVICE 24.2 30.8 46.2 59.4 208-3-60 24.2 30.8 60.1 46.2 59.4 22.0...

  • Page 25: Electrical Data Basic Unit With Electric Heat - 30 Ton

    102777-YIM-E-0206 TABLE 17: ELECTRICAL DATA BASIC UNIT WITH ELECTRIC HEAT - 30 TON ELECTRIC HEAT SUPPLY AIR MOTOR BASIC UNIT WITH ELECTRIC HEAT VOLTAGE MAX OVERCURRENT NOMINAL KW APPLIED KW PROTECTION DEVICE 30.8 46.2 59.4 74.8 208-3-60 30.8 46.2 60.1 59.4 74.8 230-3-60...

  • Page 26: Electrical Data Basic Unit With Electric Heat - 40 Ton

    102777-YIM-E-0206 TABLE 18: ELECTRICAL DATA BASIC UNIT WITH ELECTRIC HEAT - 40 TON SUPPLY ELECTRIC BASIC UNIT WITH HEAT ELECTRIC HEAT MOTOR VOLTAGE MAX. OVERCURRENT NOMINAL KW APPLIED KW PROTECTION DEVICE 30.8 46.2 59.4 74.8 208-3-60 30.8 46.2 60.1 59.4 74.8 28.0 42.0...

  • Page 27: Electrical Data Basic Unit With Power Exhaust - 25 Ton

    102777-YIM-E-0206 TABLE 19: ELECTRICAL DATA BASIC UNIT WITH POWER EXHAUST - 25 TON SUPPLY AIR EXHAUST OR ERV FAN MOTOR(S) BASIC UNIT W/ EXHAUST FAN MOTOR VOLTAGE MAX OVERCURRENT PROTECTION DEVICE 16.7 24.2 10 (5 x 2) 30.8 16.7 24.2 10 (5 x 2) 30.8 208-3-60...

  • Page 28: Electrical Data Basic Unit With Power Exhaust - 30 Ton

    102777-YIM-E-0206 TABLE 20: ELECTRICAL DATA BASIC UNIT WITH POWER EXHAUST - 30 TON SUPPLY AIR MOTOR EXHAUST OR ERV FAN MOTOR(S) BASIC UNIT WITH EXHAUST FAN VOLTAGE MAX. OVERCURRENT PROTECTION DEVICE 24.2 10 (5 x 2) 30.8 15 (7.5 x 2) 46.2 24.2 10 (5 x 2)

  • Page 29: Electrical Data Basic Unit With Power Exhaust - 40 Ton

    102777-YIM-E-0206 TABLE 21: ELECTRICAL DATA BASIC UNIT WITH POWER EXHAUST - 40 TON SUPPLY AIR MOTOR EXHAUST OR ERV FAN MOTOR(S) BASIC UNIT WITH EXHAUST FAN VOLTAGE MAX. OVERCURRENT PROTECTION DEVICE (MOPD) 24.2 10 (5 x 2) 30.8 15 (7.5 x 2) 46.2 24.2 10 (5 x 2)

  • Page 30: Electrical Data Basic Unit W/ Power Exhaust & Electric Heat - 25 Ton

    102777-YIM-E-0206 TABLE 22: ELECTRICAL DATA BASIC UNIT W/ POWER EXHAUST & ELECTRIC HEAT - 25 TON SUPPLY AIR EXHAUST OR ERV ELECTRIC HEAT BASIC UNIT W/ EXHAUST FAN MOTOR FAN MOTOR(S) VOLTAGE NOMINAL MAX. OVERCURRENT APPLIED KW PROTECTION DEVICE 16.7 24.2 10 (5 x 2) 30.8...
  • Page 31 102777-YIM-E-0206 TABLE 22: ELECTRICAL DATA BASIC UNIT W/ POWER EXHAUST & ELECTRIC HEAT - 25 TON (Continued) SUPPLY AIR EXHAUST OR ERV ELECTRIC HEAT BASIC UNIT W/ EXHAUST FAN MOTOR FAN MOTOR(S) VOLTAGE NOMINAL MAX. OVERCURRENT APPLIED KW PROTECTION DEVICE 11.0 10 (5 x 2) 14.0...
  • Page 32 102777-YIM-E-0206 TABLE 22: ELECTRICAL DATA BASIC UNIT W/ POWER EXHAUST & ELECTRIC HEAT - 25 TON (Continued) SUPPLY AIR EXHAUST OR ERV ELECTRIC HEAT BASIC UNIT W/ EXHAUST FAN MOTOR FAN MOTOR(S) VOLTAGE NOMINAL MAX. OVERCURRENT APPLIED KW PROTECTION DEVICE 10 (5 x 2) 11.0 10 (5 x 2)

  • Page 33: Electrical Data Basic Unit W/ Power Exhaust & Electric Heat - 30 Ton

    102777-YIM-E-0206 TABLE 23: ELECTRICAL DATA BASIC UNIT W/ POWER EXHAUST & ELECTRIC HEAT - 30 TON SUPPLY EXHAUST OR ERV FAN BASIC UNIT WITH EXHAUST FAN ELECTRIC HEAT AIR MOTOR MOTOR(S) AND ELECTRIC HEAT VOLTAGE NOMINAL MAX. OVERCURRENT APPLIED KW PROTECTION 24.2 10 (5 x 2)
  • Page 34 102777-YIM-E-0206 TABLE 23: ELECTRICAL DATA BASIC UNIT W/ POWER EXHAUST & ELECTRIC HEAT - 30 TON (Continued) SUPPLY EXHAUST OR ERV FAN BASIC UNIT WITH EXHAUST FAN ELECTRIC HEAT AIR MOTOR MOTOR(S) AND ELECTRIC HEAT VOLTAGE NOMINAL MAX. OVERCURRENT APPLIED KW PROTECTION 10 (5 x 2) 15(7.5 x 2)
  • Page 35 102777-YIM-E-0206 TABLE 23: ELECTRICAL DATA BASIC UNIT W/ POWER EXHAUST & ELECTRIC HEAT - 30 TON (Continued) SUPPLY EXHAUST OR ERV FAN BASIC UNIT WITH EXHAUST FAN ELECTRIC HEAT AIR MOTOR MOTOR(S) AND ELECTRIC HEAT VOLTAGE NOMINAL MAX. OVERCURRENT APPLIED KW PROTECTION 10 (5 x 2) 15(7.5 x 2)

  • Page 36: Electrical Data Basic Unit W/ Power Exhaust & Electric Heat - 40 Ton

    102777-YIM-E-0206 TABLE 24: ELECTRICAL DATA BASIC UNIT W/ POWER EXHAUST & ELECTRIC HEAT - 40 TON SUPPLY AIR EXHAUST OR ERV FAN BASIC UNIT WITH EXHAUST FAN ELECTRIC HEAT MOTOR MOTOR(S) AND ELECTRIC HEAT VOLTAGE NOMINAL MAX. OVERCURRENT APPLIED KW PROTECTION 24.2 10 (5 x 2)
  • Page 37 102777-YIM-E-0206 TABLE 24: ELECTRICAL DATA BASIC UNIT W/ POWER EXHAUST & ELECTRIC HEAT - 40 TON (Continued) SUPPLY AIR EXHAUST OR ERV FAN BASIC UNIT WITH EXHAUST FAN ELECTRIC HEAT MOTOR MOTOR(S) AND ELECTRIC HEAT VOLTAGE NOMINAL MAX. OVERCURRENT APPLIED KW PROTECTION 10 (5 x 2) 15(7.5 x 2)
  • Page 38 102777-YIM-E-0206 TABLE 24: ELECTRICAL DATA BASIC UNIT W/ POWER EXHAUST & ELECTRIC HEAT - 40 TON (Continued) SUPPLY AIR EXHAUST OR ERV FAN BASIC UNIT WITH EXHAUST FAN ELECTRIC HEAT MOTOR MOTOR(S) AND ELECTRIC HEAT VOLTAGE NOMINAL MAX. OVERCURRENT APPLIED KW PROTECTION 10 (5 x 2) 15(7.5 x 2)

  • Page 39: Bottom Supply And Return

    102777-YIM-E-0206 RETURN AIR SUPPLY AIR IGHT SIDE DETAIL 64" DETAIL 100.10" F ONT 128.50" 92" LEFT IGHT SIDE SIDE 4.5" OPEN 3.625" 80.93" 26" 71.61" 12" 4.5" DETAIL 6.46" 15.89" 88.7" 38.59" 127.5" F ONT 83" LEFT 240" SIDE 4.5" 1-1/4"...

  • Page 40: End Return, Bottom Supply

    102777-YIM-E-0206 NOTE: RETURN AIR FACTORY INSTALLED POWER EXHAUST CANNOT BE ORDERED SUPPLY AIR WITH END RETURN. IGHT SIDE DETAIL DETAIL 7-7/8" 64" 75.6" 24.9" 100.10" 8.15" 76-3/8 LEFT SIDE 128.50" F ONT 92" 6.25" IGHT SIDE 4.5" OPEN 3.625" 80.93" 26"...

  • Page 41: Bottom Return, Front & Rear Supply

    102777-YIM-E-0206 FRONT SUPPLY: FOR COOLING ONLY APPLICATIONS REAR SUPPLY: FOR COOLING ONLY OR GAS HEAT APPLICATIONS FRONT REAR RETURN AIR SUPPLY AIR REAR RIGHT SIDE 26" 55" 64" 75.6" 100.10" 8.15" 128.50" DETAIL 92" FRONT DETAIL LEFT SIDE RIGHT SIDE REAR OPEN 3.625"...

  • Page 42: End Return, Front & Rear Supply

    102777-YIM-E-0206 FIGURE 16 - END RETURN, FRONT & REAR SUPPLY Unitary Products Group...

  • Page 43: Field Installed Disconnect

    102777-YIM-E-0206 DRILL & BOLT THROUGH UNIT SHEET METAL (4 PLACES) 31" MAXIMUM 6-1/2" MINIMUM 34" ® UNISTRUT 1-5/8" W x 7/8" H OR EQUIVALENT 47" *34 INCHES IS THE MINIMUM LENGTH REQUIRED TO MAXIMUM DOOR SWING MOUNT TO THE FOUR POINTS SHOWN. THE RAILS CAN OF HEAT SECTION BE EXTENDED TO MOUNT A TALLER DISCONNECT DOOR WHEN OPEN...

  • Page 44: Partial Roof Curb Model 1Rc0455P

    102777-YIM-E-0206 2 3 5 . 0 0 9 5 . 0 9 3 8 . 5 9 2 6 . 0 0 7 1 . 6 1 R E T U R N S U P P L Y 8 3 . 0 0 A I R A I R O P E N I N G...

  • Page 45: Full Roof Curb Model 1Rc0455F

    102777-YIM-E-0206 2 3 5 . 0 0 2 6 . 0 0 7 3 . 3 0 2 . 0 0 3 8 . 5 9 2 3 . 7 6 2 3 . 7 7 2 3 . 7 7 2 .

  • Page 46: Cfm, Static Pressure, And Power - Altitude And Temperature Corrections

    102777-YIM-E-0206 CFM, STATIC PRESSURE, AND POWER - ALTI- order to use the indoor blower tables for high altitude applica- tions, certain corrections are necessary. TUDE AND TEMPERATURE CORRECTIONS A centrifugal fan is a "constant volume" device. This means The information below should be used to assist in application that, if the rpm remains constant, the CFM delivered is the of product when being applied at altitudes at or exceeding same regardless of the density of the air.
  • Page 47 102777-YIM-E-0206 ltitude/Temperature Conversion Factor SEA LEVEL TEMPER TURE (°F) FIGURE 20 - ALTITUDE/TEMPERATURE CONVERSION FACTOR Unitary Products Group...
  • Page 48 102777-YIM-E-0206 TABLE 26: FAN PERFORMANCE - 25 TON AVAILABLE EXTERNAL STATIC PRESSURE (IWG) AIRFLOW CFM 4000 0.59 0.82 1.08 1.35 5000 0.62 0.83 1.08 1.36 1.66 6000 0.93 1.17 1.43 1.72 2.04 7000 1.34 1.60 1.88 2.20 2.54 8000 1.88 2.17 2.49 2.80...
  • Page 49 102777-YIM-E-0206 TABLE 26: FAN PERFORMANCE - 25 TON (Continued) AVAILABLE EXTERNAL STATIC PRESSURE (IWG) AIRFLOW CFM 4000 4.90 5.26 5.64 6.01 6.39 5000 5.69 6.10 6.51 6.92 7.33 6000 6.47 6.91 7.36 7.82 8.29 7000 7.25 7.74 8.24 8.75 9.25 8000 8.13 8.66...

  • Page 50: Altitude/Temperature Conversion Factor 47 21 Fan Performance - 25 Ton

    102777-YIM-E-0206 FIGURE 21 - FAN PERFORMANCE - 25 TON Unitary Products Group...
  • Page 51 102777-YIM-E-0206 TABLE 27: FAN PERFORMANCE - 30 TON Available External Static Pressure (IWG) AIRFLOW (CFM) 6000 7000 8000 9000 10000 11000 12000 13000 14000 10.0 10.7 15000 10.2 10.8 11.5 755.6 12.1 12.7 Available External Static Pressure (IWG) AIRFLOW (CFM) 6000 7000 8000...
  • Page 52 102777-YIM-E-0206 TABLE 27: FAN PERFORMANCE - 30 TON (Continued) Available External Static Pressure (IWG) AIRFLOW (CFM) 6000 7000 8000 10.4 9000 10.1 10.6 11.2 11.8 10000 10.9 11.5 12.1 12.7 1006 13.3 11000 12.4 13.0 13.6 14.2 1015 14.8 12000 14.0 14.6 15.3...

  • Page 53: Fan Performance - 30 Ton

    102777-YIM-E-0206 FIGURE 22 - FAN PERFORMANCE - 30 TON Unitary Products Group...
  • Page 54 102777-YIM-E-0206 TABLE 28: FAN PERFORMANCE - 40 TON Available External Static Pressure (IWG) AIRFLOW (CFM) 8000 9000 10000 11000 12000 13000 14000 15000 16000 10.4 11.2 17000 10.6 11.4 12.1 12.9 18000 11.7 12.5 13.2 14.0 14.7 Available External Static Pressure (IWG) AIRFLOW (CFM) 8000 9000...
  • Page 55 102777-YIM-E-0206 TABLE 28: FAN PERFORMANCE - 40 TON (Continued) Available External Static Pressure (IWG) AIRFLOW (CFM) 8000 10.5 9000 10.4 11.0 11.6 10000 10.3 11.0 11.6 12.3 12.9 11000 11.6 12.2 12.9 13.6 14.2 12000 12.9 13.6 14.3 15.0 15.7 13000 14.4 15.1...

  • Page 56: Fan Performance - 40 Ton

    102777-YIM-E-0206 FIGURE 23 - FAN PERFORMANCE - 40 TON Unitary Products Group...
  • Page 57 102777-YIM-E-0206 TABLE 29: COMPONENT STATIC RESISTANCE COMPONENT COIL LOSSES 6,000 8,000 10,000 12,000 14,000 16,000 18,000 Std. 25 Ton, Dry -0.06 -0.08 -0.10 -0.13 Std. 25 Ton, Wet Baseline Baseline Baseline Baseline Baseline Baseline Baseline Std. 30 Ton, Dry -0.045 -0.075 -0.112 -0.157...

  • Page 58: Supply Fan Motor And Drive Data

    102777-YIM-E-0206 TABLE 30: SUPPLY FAN MOTOR AND DRIVE DATA Motor Motor Pulley Blower Pulley Belts Blower Motor Model Motor Frame Efficiency Pitch Dia Bore Pitch Dia Bore Range Efficiency Designation Size (Ultra Hi (Inches) (Inches) (Inches) (Inches) (Std. Motor) Eff Opt) 213T 88.5 91.7...

  • Page 59: Power Exhaust - One Forward Curved Fan

    102777-YIM-E-0206 TABLE 32: POWER EXHAUST - ONE FORWARD CURVED FAN 25 TON AVAILABLE EXTERNAL STATIC PRESSURE (IWG) AIRFLOW CFM 2000 0.32 0.42 0.54 3000 0.41 0.51 0.64 0.77 4000 0.63 0.74 0.87 1.00 1.16 5000 1.15 1.29 1.43 1.58 1.74 6000 1.84 2.08...

  • Page 60: Power Exhaust - One Forward Curve Fan

    102777-YIM-E-0206 Power Exhaust 25 Ton 1600 1500 10 BHP 7.5 BHP 1400 5 BHP 1300 1200 1100 1000 10.0 12.0 14.0 16.0 18.0 CFM (x1000) FIGURE 24 - POWER EXHAUST - ONE FORWARD CURVE FAN - 25 TONS Unitary Products Group...
  • Page 61 102777-YIM-E-0206 TABLE 33: POWER EXHAUST - TWO FORWARD CURVED FANS - 30 & 40 TON Available External Static Pressure (IWG) AIRFLOW (CFM) 4000 5000 6000 7000 8000 9000 10000 11000 12000 13000 14000 1025 10.0 15000 10.4 1002 11.0 1037 11.5 1072 12.0...

  • Page 62: Power Exhaust - Two Forward Curved Fans - 30 & 40 Tons

    102777-YIM-E-0206 FIGURE 25 - POWER EXHAUST - TWO FORWARD CURVED FANS - 30 & 40 TONS Unitary Products Group...

  • Page 63: Start-Up

    102777-YIM-E-0206 START-UP NOTE: If unit is equipped with power exhaust fans or return air fan also check them for proper rotation. COMPRESSOR ROTATION BELT TENSION Check for proper compressor rotation (See page 114 for The tension on the belt should be adjusted as shown in Fig- symptoms of reverse compressor operations).
  • Page 64 102777-YIM-E-0206 TABLE 34: BELT ADJUSTMENT FAN MOTOR HORSE POWER 30 TON FORWARD CURVED SUPPLY FAN SIZE: 22 X 20 Belt Deflection Force (lbs) new belts 10.5 12.6 15.2 22.1 Belt Deflection Force (lbs) old belts 10.2 14.8 40 TON FORWARD CURVED SUPPLY FAN SIZE: 25 X 20 Belt Deflection Force (lbs) new belts 10.5...

  • Page 65: Supply Air Drive Adjustment

    102777-YIM-E-0206 SUPPLY AIR DRIVE ADJUSTMENT TABLE 35: BLOWER SPEED RATE OF CHANGE CHANGE IN BHP AND CHANGE IN RPM MOTOR AMPS Before making any blower speed changes review the installation for any installation errors, leaks or undesirable systems effects that can result in loss of air flow.
  • Page 66 102777-YIM-E-0206 TABLE 36: 25 TON DRIVE ADJUSTMENT 7.5 HP Motor & 567 RPM 10 HP Motor & 692 RPM Drive 15 HP Motor & 793 RPM Drive 20 HP Motor & 814 RPM Drive Drive %RPM Req’d Browning %RPM Req’d Browning %RPM Req’d...

  • Page 67: Drive Adjustment For Power Exhaust

    102777-YIM-E-0206 TABLE 38: 40 TON DRIVE ADJUSTMENT 10 HP Motor & 567 RPM Drive 15 HP Motor & 652 RPM Drive 20 HP Motor & 728 RPM Drive 25 HP Motor & 779 RPM Drive %RPM Req’d Browning Req’d Browning %RPM Req’d Browning...

  • Page 68: Gas Furnace Operating Instructions

    102777-YIM-E-0206 TABLE 40: DRIVE ADJUSTMENT FOR POWER EXHAUST - 30 & 40 TON 7.5 HP Motor & 852 RPM Drive 10 HP Motor & 976 RPM Drive 15 HP Motor & 1069 RPM Drive % RPM REQ’D Browning % RPM REQ’D Browning % RPM...

  • Page 69: Burner Instructions

    102777-YIM-E-0206 After the temperature rise has been determined, the CFM can be calculated as follows: Manual Regulator Shutoff × Btuh ------------------------------------------------------------------------- - × 1.08 F Degrees Temp Rise After about 20 minutes of operation, determine the furnace temperature rise. Take readings of both the return air and the heated air in the ducts (about six feet from the furnace) where they will not be affected by radiant heat.

  • Page 70: Electric Heating

    102777-YIM-E-0206 MILLENNIUM SEQUENCE OF OPERATION H E A T E X C H A N G E R T U B E OVERVIEW G A S The Millennium Simplicity control has comprehensive rule S U P P L Y sets to respond to heat and cool calls, provide anti-shortcycle P I P E and other safeties, date / time clock, and other features mak- B U R N E R F L A M E...

  • Page 71: Run Sequence

    102777-YIM-E-0206 Heating stages are controlled based on inputs: quency Drive). Power is applied to the airflow proving switch (APS). If the supply fan operates correctly (proper • W1-1st Stage Heating rotation), the pressure difference between the supply fan • W2-2nd Stage Heating section and the heating section increases and APS •...
  • Page 72 102777-YIM-E-0206 the supply fan. Operation of heating is dependent upon exchanger temperature, on each gas heat module. That the APS closure. switch is monitored by connecting each limit switch to the LIM1, 2, or 3 terminal at the Simplicity board. IC1 When all run rules are satisfied, cooling stages are avail- closes contacts between terminals L1 and IND to able.

  • Page 73: Variable Air Volume Unit (Vfd & Igv)

    102777-YIM-E-0206 11. Economizer Option: the control directly controls the posi- EXH to contactor 10M when the dampers are driven tion of the outside air / return air dampers through a 2-10 above the ON setpoint for damper open %. VDC signal from terminal ECO to ACT1 (economizer The exhaust motor is powered OFF when the vanes actuator).

  • Page 74: Morning Warm-Up [Mwup]

    102777-YIM-E-0206 cooling [controlled to the duct pressure setpoint if a VAV]. If UNIT CONTROLS heating is required, all installed stages will be energized. The control reviews parameters, the unit clock, and occupied / Holiday schedules to select the appropriate mode. In Occupied mode, the unit will look at inputs enabled by parameter settings.
  • Page 75 102777-YIM-E-0206 mum ON time for each cooling stage and a 5 minute min- acknowledge supply airflow and the LIM1-3 safeties are imum OFF time for each cooling stage. satisfied, IC1 is powered. IC1 closes contacts between terminals L1 and IND to engage Draft Motor 1. The IC1 A call for Compressor 1 powers the high pressure safety monitors PSW (draft fan air proving switch) and LS1 switch (HPS1), the low pressure switch (LPS1), the coil...
  • Page 76 102777-YIM-E-0206 14. When the space temperature rises above the Unoccu- Single Enthalpy: the control will consider, along with pied cooling setpoint, the control enables optional duct outside temperature, outside air humidity [OAH sensor; pressure control and optional power exhaust system; parameter must be set to ON] in enabling free cooling.

  • Page 77: Head Pressure Control

    102777-YIM-E-0206 NOTE: For smoke purge, etc., special connections: for 2 is energized, the speed of condenser Fan 1 will increase to standard controls, consult a controls specialist compensate for the discharge pressure rise. Typically, since familiar with your local codes. fan 2 will run at full speed, fan 1 will slow down when fan 2 energizes.

  • Page 78: Air Proving Switch

    102777-YIM-E-0206 use this chapter as a reference whenever a more detailed detect because it effectively disables the fan failure alarm understanding of a particular mode is needed. checking while fan is running, described in the paragraphs above. Those checks would always pass as the switch would You should keep in mind that, especially with digital controls, remain closed.

  • Page 79: Economizer Control During Comfort Ventilation

    102777-YIM-E-0206 The Comfort Ventilation temperature-band minimum width is modulating the economizer dampers. The PI algorithm set- five degrees. Comfort Ventilation high and low setpoints will point is calculated as a midpoint between the programmed be within the Cooling Upper and Heating Lower setpoints. "Comfort Ventilation Upper Setpoint"...

  • Page 80: Hydronic Heat

    102777-YIM-E-0206 stages, or compressors are staged up, or destaged, the WATER COIL FREEZE STAT (FSI) economizer controls continues using the economizer damper to "trim" the effect of the staging and to maintain the SAT as This option is used only on rooftop units with hydronic heat near the middle of the SAT control band as possible.

  • Page 81: Grouping Compressors Into Stages

    102777-YIM-E-0206 started other than destaging. The actual minimum off times OPERATION FOR HEATING WITH W1, W2, AND W3 for individual compressors differ by 10 seconds in order to INPUTS prevent compressors from turning on simultaneously during certain control mode transfers: W1, W2, and W3 inputs are available on the Millennium Sim- plicity board.

  • Page 82: Supply Fan Control When Using A Zone Sensor

    102777-YIM-E-0206 ° Sensor with Space Setpoint Adjust - This Sensor has When the zone temperature is -0.1 F, or less below the zone a slider potentiometer on it that represents (as a default) +/- setpoint for at least 1 minute, the transition to a satisfied state °...

  • Page 83: Vav Operation

    102777-YIM-E-0206 continue operating first stage until the Space temperature VAV OPERATION WITH A ZONE SENSOR reaches the Setpoint and then it will turn off all the stage one The Space Sensor is placed in a selected, representative compressors with a 30 second delay between them. If after 5 zone of a VAV system.

  • Page 84: Unoccupied Heating With A Thermostat

    102777-YIM-E-0206 The supply fan operates at 100% during heating. Depending If Hydronic heat option is used, the Heat output of the control- on the control setting, the fan will cycle On/Off with the W1 ler is also actuated during heating and the SAT is controlled output, or will remain On.

  • Page 85: Unoccupied Heating In Standalone Operation

    102777-YIM-E-0206 of zone temperature to a programmed "VAV SAT Reset Set- MORNING WARM UP / VAV OCCUPIED HEATING point". The "VAV SAT Reset Setpoint" would typically be set CONTROL ALGORITHM well below the "Unoccupied Cooling Setpoint", causing the STARTING MORNING WARM UP unoccupied cooling to typically use a Low SAT Setpoint.

  • Page 86: Unoccupied Vav Heating / Cooling Control Algorithm With A Space Sensor

    102777-YIM-E-0206 ° Full heating (all stages) is ON when RAT drops 2 F below the TABLE 44: WEEKLY SCHEDULE setpoint, heating is OFF when RAT is at, or above the set- point. (Note that in this case, the control will use all available Times Tues heating stages, regardless of setting of the programmable...

  • Page 87: Controlling Excessive Sat (Supply Air Temperature)

    102777-YIM-E-0206 section [not to be found by that name...]. Once requested by When is the Economizer operation used? this Space Sensor algorithm, the occupied heating is con- If the rooftop unit is equipped with an economizer (and that trolled by the RAT control algorithm described in paragraph option is selected), and free cooling is available (“economizer "Morning Warm Up / VAV Occupied Heating Control Algo- suitable”), then the Economizer Operation as specified in this...
  • Page 88 102777-YIM-E-0206 The choice of a method with highest preference is automatic outside air can still be considered suitable for DX cooling, or, (“self-configuration”) based on availability of appropriate sen- in comparison to the Differential Enthalpy Method described sors. If a sensor fails/ goes unreliable, a fault is indicated and, below, as a “best guess”...
  • Page 89 102777-YIM-E-0206 This is done in order to read and store the SAT temperature Compressor control when exiting Cooling Lockout on differential (drop) due to turning on compressor #1, while OAT: assuring that turning it on will not drop the SAT below com- A situation may arise when in Economizer Mode and one or pressor #1 trip point (where the Excessive SAT control would more compressors are required in addition to full available...

  • Page 90: Demand Ventilation

    102777-YIM-E-0206 NOTE: As opposed to the PI algorithm used in economizer This way, the “loading” of the heating stage is correctly done control, the PI algorithm used here for economizer with return, or outdoor air, as appropriate, and there is no loading function does not need to utilize the High need to activate this ”loading”...

  • Page 91: Exhaust Operation

    102777-YIM-E-0206 When the IAQ sensor is detected as available, the control will TWO-POSITION CONTROL (NON MODULATING POWER use the Demand Ventilation Setpoint to control the IAQ levels EXHAUST) in the building by modulating the Economizer more open. This mode is a fixed speed, ON/OFF Power exhaust fan, with a barometric relief damper, controlled from position of the The Demand Ventilation will operate in units equipped with an Economizer damper.

  • Page 92: Proportional Control With Vfd Fan

    102777-YIM-E-0206 de-energized when Supply fan is off or when the EAD open- The exhaust blowers in the ERV use the power and control ing is less than the programmed Exhaust Damper Position for hardware that otherwise would run the power exhaust. The Exhaust Fan to turn OFF, or 10% open, whichever is greater.
  • Page 93 102777-YIM-E-0206 TABLE 46: ALARM DEFAULT CODES Code Cause Compressor number one locked out on High Pressure Control Compressor number two locked out on High Pressure Control Compressor number three locked out on High Pressure Control Compressor number four locked out on High Pressure Control Compressor number one locked out on Low Pressure Control Compressor number two locked out on Low Pressure Control Compressor number three locked out on Low Pressure Control...
  • Page 94 102777-YIM-E-0206 TABLE 46: ALARM DEFAULT CODES (Continued) Code Cause Return Air Humidity Sensor is out of Range IAQ Sensor is out of Range Real Time Clock cannot be read and has a hardware failure Space Temperature Offset is greater than 20K Ohms CV/VAV input is out of range and the unit is locked out Unit is locked out due to low voltage on the 24 VAC supply Smoke Purge...

  • Page 95: Troubleshooting A Millennium Simplicity Control

    102777-YIM-E-0206 TROUBLESHOOTING A MILLENNIUM SIM- SENSOR FAILURES AND DEFAULT OPERATION PLICITY CONTROL A failure of SAT RAT, OAT, IAQ, Space Temperature, or an outside or return air Relative Humidity sensor will generate a STATUS LED CHART common error. A failure of the Duct Static or Building Pres- sure sensor will generate another common error.

  • Page 96: Space Temperature Sensor

    102777-YIM-E-0206 SPACE TEMPERATURE SENSOR History Buffer. In networked application, the error flag will be readable by the network. CV operation with a zone sensor: When this sensor fails the control will see if it has a RAT sensor. If it has a RAT sen- COMPRESSOR SAFETY CHAIN TRIP sor, the control will use it as a backup and continue tempera- ture control to the active space temperature setpoint.

  • Page 97: Diagnostics Via Led

    102777-YIM-E-0206 When the Alarm / Change Data button (See Figure 2 Simplic- ity Controller Push Buttons) is pushed and released one time within five seconds, it will re-enunciate the last five alarms on the Display. Program Test / Reset / Up FIGURE 31 -SIMPLICITY CONTROLLER modes are protected against frequent cycling, slugging, mul- Alarms / Change Data...

  • Page 98: Digital Lingo

    102777-YIM-E-0206 • Unit model number ANALOG TO DIGITAL CONVERTER • Unit serial number Computers can only understand a simple binary language. • Unit Name Remember, “binary” means two states - ON or OFF. Analog (continuous) values of voltages, currents, and resistances are DIGITAL LINGO supplied by sensors and transducers to the control.

  • Page 99: Communications Bus

    The ModLINC is preconfigured to provide an interface to ten to. This memory is programmed only once before the con- YORK UPG products equipped with an Intelli-Comfort or Sim- troller is assembled. ROM contains instructions specifically for plicity-Elite controller and allows monitoring and control by an the internal microprocessor computer in the controller.

  • Page 100: Wiring And Termination, Communications

    102777-YIM-E-0206 WIRING AND TERMINATION, COMMUNICATIONS TABLE 48: ACRONYMS (Continued) Most connections to the Simplicity Control are by wiring har- Supply Air Temperature nesses. There are also screw terminal connections for ther- System Shutdown Connector mostat inputs and for communications via an RS-485 port. Outside Air Enthalpy Return Air Enthalpy COMMUNICATION ADDRESS:...

  • Page 101: Analog Inputs (Ai)

    102777-YIM-E-0206 peratures (SAT, RAT), and Building Pressure Sensor (BPS). return air enthalpy using the relative humidity and return tem- The binary inputs (BI) on the Millennium Simplicity use a dry perature inputs. contact input to determine the status of a monitored point. Typical BI points are Fan Status (APS), Filter Status (DFS), LOW VOLTAGE DETECTION - This input monitors the 24 and Compressor Status (HPS1-4, LPS1-4, C1O-4O).

  • Page 102: Binary Inputs (Bi)

    102777-YIM-E-0206 BINARY INPUTS (BI): OUTPUTS Analog Outputs (AO) - Analog outputs provide a 2-10 VDC APS - Supply Fan status is monitored by an Air Proving Sta- signal to operate controlled devices. The Simplicity is cur- tus switch (PN: 024-27557-000A) installed at the factory. The rently configured to use only 2-10 VDC outputs to the Vari- APS monitors the difference in pressure between the suction able Frequency Drive, Inlet Guide Vane, Economizer...

  • Page 103: Binary Outputs (Bo)

    102777-YIM-E-0206 EXD - Power Exhaust Damper Vane or VFD - Power BINARY OUTPUTS (BO) Exhaust Damper Actuator is a BELIMO AF24-3-S 24VAC. It FAN - Fan Start/Stop Relay, VFD “permission” relay FR uses a full open/ Full Closed scheme and operates a 95 degree rotation.
  • Page 104 102777-YIM-E-0206 TABLE 50: SIMPLICITY CONTROL INPUTS (Continued) Name Range Resolution Precision Description Program ON - Off ON - Off Program Button Input 24 hours, 365 Days including Real Time Clock Leap year and Seconds Real Time Clock Chip Daylight Savings Time Water Coil Freeze 18 - 30 VAC...

  • Page 105: Simplicity Control Outputs

    102777-YIM-E-0206 TABLE 51: SIMPLICITY CONTROL OUTPUTS Name Range Resolution Precision Description On - Off Status LED 7 segment W/ Display 6 "Seven Segment LED /W decimal point" Decimal Point Class 1 Relay Heat 1 contactor output (Relay Contacts - 24 VAC/120 VAC) Contacts Class 1 Relay Heat 2 contactor output (Relay Contacts - 24 VAC/120 VAC)

  • Page 106: Simplicity Programming Options

    102777-YIM-E-0206 SIMPLICITY PROGRAMMING OPTIONS INITIAL STARTUP OPTIONS The paragraphs below provide a definition of, and specify the Commissioning a new Millennium installation requires some function related to, each of the parameters that are field- field adjustments to the Simplicity control program. Most of adjustable using the interfaces available.
  • Page 107 102777-YIM-E-0206 SAT Control for Cooling - (ON) - This tells the control if it is lating Exhaust Air Damper or VFD controlled from building going to do excessive SAT monitoring and tripping or not, for static pressure), or as a Two-position Control using building Cooling.
  • Page 108 102777-YIM-E-0206 ter uses a one BTU/LB hysteresis on each side of the limit. Screen data along with a date and time stamp. In networked The limit is preset to 27 BTU/ LB with an adjustable range applications, the alarm flag is readable by the network. This from 10 to 50 BTU/LB.

  • Page 109: Sequence Of Setting The Set Points

    102777-YIM-E-0206 the Occupied Heating mode. Operation is the same as Morn- Cooling Lockout on OAT - (45°F) - This is the Outside Air ing Warm Up. This parameter is factory set to OFF. Temperature Setpoint that the control uses to lock out Cool- ing when the OAT is below this setpoint.
  • Page 110 102777-YIM-E-0206 Supply AirTemp (SAT) Alarm Setpoint for Cooling - (0°F) - Once the Unoccupied Override mode is initiated, it will con- If the SAT does not drive below this setpoint when all stages tinue until the programmed Unoccupied Override Time Limit of compression are operating and 10 minutes has elapsed is reached.
  • Page 111 102777-YIM-E-0206 Demand Ventilation (ON) - Setting this parameter on tells Run Test (Commissioning Test) - This is not an option the control to expect a signal from a 0-10VDC CO sensor. parameter but rather a one-time command, activated by set- The default setting for CO is 1,000 ppm.

  • Page 112: Settable System Parameters

    102777-YIM-E-0206 TABLE 52: SETTABLE SYSTEM PARAMETERS ADDRESS FUNCTION UNIT RANGE DEFAULT YOUR SETTINGS Run test ON-OFF Fan on delay-Heating 0-30 Fan off delay-Heating 0-255 Fan on delay-Cooling 0-30 Fan off delay-Cooling 0-255 Factory setting Do not change Suspend Cont Fan when starting ON-OFF Heating Construction Mode...
  • Page 113 102777-YIM-E-0206 TABLE 52: SETTABLE SYSTEM PARAMETERS (Continued) ADDRESS FUNCTION UNIT RANGE DEFAULT YOUR SETTINGS Demand Ventilation ON-OFF ON-OFF IAQ Sensor Range 0-5000 2000 Demand Ventilation Setpoint 0-5000 1000 Power Exhaust ON-OFF ON-OFF Modulating Exhaust ON-OFF ON-OFF Exhaust VFD Installed ON-OFF ON-OFF Exhaust Damper Position for Exhaust % Of Damper Position...

  • Page 114: Service

    102777-YIM-E-0206 TABLE 52: SETTABLE SYSTEM PARAMETERS (Continued) ADDRESS FUNCTION UNIT RANGE DEFAULT YOUR SETTINGS Hot Gas Bypass ON-OFF ON-OFF Compressors Number 2 to 4 Factory Set Heat Stages Number 0 to 3 Factory Set Duct Static Reading Inches Water 0 to 5.0” Read Only Building Pressure Reading Inches Water...

  • Page 115: Ton

    102777-YIM-E-0206 TABLE 54: STEAM COIL (1 ROW, 25 & 30 TON) TABLE 58: HOT WATER COIL (1 ROW 25 & 30 TON) Capacity (MBH) at Steam Pressure (PSI) Capacity (MBH) at Entering Water Temperature 6000 194.1 207.9 219.8 232.6 140 °F 160 °F 180 °F 200 °F...

  • Page 116: Hot Water Coil (1 Row, 40 Ton)

    102777-YIM-E-0206 TABLE 61: WATER PRESSURE DROP (1 ROW, 40 TABLE 59: HOT WATER COIL (1 ROW, 40 TON) TONS) Capacity (MBH) at Entering Water Temperature Water 140 °F 160 °F 180 °F 200 °F Pressure 10.0 Drop 8000 128.8 155.8 182.9 11000 144.1...

  • Page 117: Ton

    102777-YIM-E-0206 TABLE 63: WATER PRESSURE DROP (2 ROW, 25 & TABLE 65: STATIC RESISTANCE HOT WATER COIL 30 TON) (25 & 30 TON) 6000 8000 10000 15000 Air Pressure 0.07 0.11 0.16 0.32 Water Drop 1 Row Pressure 10.0 Air Pressure Drop 0.14 0.23...

  • Page 118: Hot Water Coil - 25 & 30 Ton, 1 Row, At 10 Gpm

    102777-YIM-E-0206 2 3 0 . 0 2 2 0 . 0 2 1 0 . 0 2 0 0 . 0 1 9 0 . 0 1 8 0 . 0 1 7 0 . 0 1 4 0 ° F 1 6 0 .

  • Page 119: Hot Water Coil - 25 & 30 Ton, 1 Row, At 30 Gpm

    102777-YIM-E-0206 2 9 0 . 0 2 8 0 . 0 2 7 0 . 0 2 6 0 . 0 2 5 0 . 0 2 4 0 . 0 2 3 0 . 0 2 2 0 . 0 2 1 0 .

  • Page 120: Hot Water Coil - 25 & 30 Ton, 2 Row, At 60 Gpm

    102777-YIM-E-0206 6 1 0 .0 5 9 0 .0 5 7 0 .0 5 5 0 .0 5 3 0 .0 5 1 0 .0 4 9 0 .0 4 7 0 .0 4 5 0 .0 4 3 0 .0 1 4 0 °F 4 1 0 .0 1 6 0 °F...

  • Page 121: Hot Water Coil - 40 Ton, 1 Row, At 10 Gpm

    102777-YIM-E-0206 2 5 0 .0 2 4 0 .0 2 3 0 .0 2 2 0 .0 2 1 0 .0 2 0 0 .0 1 9 0 .0 1 8 0 .0 1 4 0 °F 1 6 0 °F 1 7 0 .0 1 8 0 °F 2 0 0 °F...

  • Page 122: Hot Water Coil - 40 Ton, 1 Row, At 30 Gpm

    102777-YIM-E-0206 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...

  • Page 123: Hot Water Coil - 40 Ton, 2 Row, At 20 Gpm

    102777-YIM-E-0206 5 3 0 .0 5 1 0 .0 4 9 0 .0 4 7 0 .0 4 5 0 .0 4 3 0 .0 4 1 0 .0 3 9 0 .0 1 4 0 °F 3 7 0 .0 1 6 0 °F 1 8 0 °F 3 5 0 .0...

  • Page 124: Hot Water Coil - 40 Ton, 2 Row, At 60 Gpm

    102777-YIM-E-0206 700.0 680.0 660.0 640.0 620.0 600.0 580.0 560.0 540.0 520.0 500.0 140 °F 480.0 160 °F 460.0 180 °F 440.0 200 °F 420.0 400.0 380.0 360.0 340.0 320.0 300.0 280.0 260.0 240.0 220.0 8000 9000 10000 11000 12000 13000 14000 15000 16000...

  • Page 125: Hot Water Coil - 40 Ton, 2 Row, At 80 Gpm . 124 50 Steam Coil - 25 & 30 Ton (1 Row)

    102777-YIM-E-0206 3 5 0 3 4 0 3 3 0 3 2 0 3 1 0 3 0 0 2 9 0 2 8 0 2 p s i 2 7 0 6 p s i 1 0 p s i 2 6 0 1 5 p s i 2 5 0...

  • Page 126: Typical Control Wiring

    102777-YIM-E-0206 FIGURE 52 - TYPICAL CONTROL WIRING Unitary Products Group...

  • Page 127: Legend

    102777-YIM-E-0206 FIGURE 53 - LEGEND Unitary Products Group...

  • Page 128: Typical 25 Ton Power Wiring

    102777-YIM-E-0206 FIGURE 54 - TYPICAL 25 TON POWER WIRING Unitary Products Group...

  • Page 129: Typical 30/40 Ton Power Wiring

    102777-YIM-E-0206 FIGURE 55 - TYPICAL 30/40 TON POWER WIRING Unitary Products Group...

  • Page 130: Typical Gas Heat Wiring

    102777-YIM-E-0206 FIGURE 56 - TYPICAL GAS HEAT WIRING Unitary Products Group...

  • Page 131: Gas Furnace Safety Features

    102777-YIM-E-0206 GAS FURNACE SAFETY FEATURES MOTORS Outdoor fan motors are permanently lubricated and require COMBUSTION AIR PROVING no maintenance. Lubrication, if desired, is to be performed by a qualified service agency. Combustion air proving is provided by a pressure switch. As the motor approaches full speed, this switch closes before Ventor motors are factory lubricated for an estimated 10-year any other circuit or gas component can be energized.

  • Page 132: Fan Drives

    102777-YIM-E-0206 to clean coil, be sure power to the unit is shut off prior to TABLE 67: INDOOR BLOWER BEARING cleaning. LUBRICATION SCHEDULE NOTE: Exercise care when cleaning the coil so that the coil Operating Speed (RPM) fins are not damaged. Shaft Size (Inches) 1000 1500...

  • Page 133: Secure Owners Approval

    102777-YIM-E-0206 down the flue extension at the outlet of the vent hous- The restrictor plate must also be sealed to furnace tube ings. sheet. After brushing is complete, blow all brushed areas with SECURE OWNERS APPROVAL air or nitrogen. Vacuum as needed. Replace parts in the order they were moved in steps 1 to When the system is functioning properly, secure the owner’s approval.

  • Page 134: 25 Ton Charging Curve

    102777-YIM-E-0206 FIGURE 58 - 25 TON CHARGING CURVE Unitary Products Group...

  • Page 135: 30 Ton Charging Curve

    102777-YIM-E-0206 FIGURE 59 - 30 TON CHARGING CURVE Unitary Products Group...

  • Page 136: 40 Ton Charging Curve

    102777-YIM-E-0206 FIGURE 60 - 40 TON CHARGING CURVE Unitary Products Group...

  • Page 137: Pressure Drop Dry Evaporator Coil Vs Supply Air Cfm - 25 Ton

    102777-YIM-E-0206 PRESSURE DROP ACROS S A DRY EVAPOR ATOR COIL VS SUPPLY AIR CFM PRESSURE DROP (in. wg.) 0.05 0.15 0.25 0.35 FIGURE 61 - PRESSURE DROP DRY EVAPORATOR COIL VS SUPPLY AIR CFM - 25 TON Unitary Products Group...

  • Page 138: Pressure Drop Dry Evaporator Coil Vs Supply Air Cfm - 30 & 40 Ton

    102777-YIM-E-0206 FIGURE 62 - PRESSURE DROP DRY EVAPORATOR COIL VS SUPPLY AIR CFM - 30 & 40 TON Unitary Products Group...
  • Page 139 102777-YIM-E-0206 Unitary Products Group...
  • Page 140 Subject to change without notice. Printed in U.S.A. 102777-YIM-E-0206 Copyright © by Unitary Products Group 2006. All rights reserved. Supersedes: 102777-YIM-D-0705 Unitary 5005 Norman Products York Group Drive 73069...

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