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INSTALLATION
MANUAL
CONTENTS
NOMENCLATURE . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . 7
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
GAS HEATING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
GAS FURNACE OPERATING INSTRUCTIONS . . . 64
SERVICE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
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:
Y32
Y33
Y34
ISO 9001
Certified Quality
Management System
523717-YIM-A-0509

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Summary of Contents for Johnson Controls Unitary Products Y32

  • Page 1 INSTALLATION MILLENNIUM™ ROOFTOP MANUAL 25, 30 & 40 TON MODELS: CONTENTS NOMENCLATURE ......5 GENERAL .
  • Page 2: Table Of Contents

    COMPRESSOR ROTATION ..... . 59 SECURE OWNERS APPROVAL ....86 Johnson Controls Unitary Products...
  • Page 3 AT 20 GPM ....... . . 70 Johnson Controls Unitary Products...
  • Page 4 SCHEDULE ....... . . 85 30 FAN PERFORMANCE - 25 TON ....47 Johnson Controls Unitary Products...
  • Page 5: Nomenclature

    523717-YIM-A-0509 NOMENCLATURE Johnson Controls Unitary Products...
  • Page 6: Component Location

    COMPRESSOR ACCESS REAR RIGHT HEAT SECTION FRONT OPTIONAL POWER LEFT END OUTLET (115V) POWER EXHAUST ACCESS HEAT SECTION EVAPORATOR COIL AND DRAINPAN ACCESS FILTER DRIERS FILTER ACCESS REAR SUPPLY BLOWER & MOTOR FIGURE 1 - COMPONENT LOCATION Johnson Controls Unitary Products...
  • Page 7: General

    523717-YIM-A-0509 GENERAL York Model Y32/Y33/Y34 units are single package cooling only or cooling with gas, electric, hot water or steam heating This Furnace is not to be used for temporary heat- designed for outdoor installation on a rooftop and for non-res- ing of buildings or structures under construction.
  • Page 8: Reference

    Size of unit for proposed installation should be based on heat Maintain level tolerance to 3/4 inches across width and 2 loss / heat gain calculation made according to the methods of inches along length. the Air Conditioning Contractors of America (ACCA). Johnson Controls Unitary Products...
  • Page 9: Standard Gas Heating Capacities

    TABLE 6: MODULATING GAS HEATING CAPACITIES (MBH) NPUT APACITY UTPUT APACITY VAILABLE ON STEPS PTION (MBH) ODELS INIMUM AXIMUM INIMUM AXIMUM Y32/Y33/Y34 Y32/Y33/Y34 Y34 ONLY Output Capacity at Full Fire. Modulating Gas Heat available on CV models only. Johnson Controls Unitary Products...
  • Page 10: Typical Rigging

    ONTROL UTPUT PTION VAILABLE ON ODELS NPUT UTPUT OF TOTAL OUTPUT 69,333 55,466 106,666 85,333 165,332 132,266 (Turn down ratio Y32, Y33, Y34 202,665 162,132 3.8 to 1) 229,332 183,466 266,666 213,333 100% 69,333 55,466 106,666 85,333 165,332 132,266 202,665...
  • Page 11: Center Of Gravity

    Exhaust Motor VFD See Table 10 Economizer Std. Econ. Econ. w/ERV Control Disconnect 110V outlet Optilogic Roof Curb Partial Curb If ERV and Supply Fan VAV are selected, add the weight of an Exhaust VFD, Table 9. Johnson Controls Unitary Products...
  • Page 12: Rigging And Handling

    Econ. & Gas or 118” 47” 114” 46” 111” 45" Elect. Heat, & Power Exhaust (COOLING OPERATION) Do not permit overhang- ing structures or shrubs to obstruct condenser air discharge outlet, combustion air inlet or vent out- lets. Johnson Controls Unitary Products...
  • Page 13: Ductwork

    Plumbing must conform to local codes. Use a sealing com- made with flexible joints to minimize noise. pound on male pipe threads. Install condensate drain lines from the 1-1/2 inch NPT female connections on the unit to an open drain. Johnson Controls Unitary Products...
  • Page 14: Service Access

    56 inch above the floor where it will not be subject to drafts, sun exposure or heat from electrical fixtures DO NOT loosen compressor mounting bolts. or appliances. Follow manufacturer's instructions enclosed with sensor for general installation procedure. Johnson Controls Unitary Products...
  • Page 15: Power And Control Wiring

    USED so that water or moisture cannot be drawn into the unit during normal operation. The above Also refer to the ERV Installation Instructions packaged with waterproofing conditions will also apply when the ERV. installing a field-supplied disconnect switch. Johnson Controls Unitary Products...
  • Page 16: Gas Heating

    Refer to Figures 11 through 14 to locate the access opening. in excess of 0.5 psig. Typical supply piping arrangements are shown in Figure 6. Johnson Controls Unitary Products...
  • Page 17: Vent And Combustion Air

    * Right is the side with access to the Electrical / Gas Controls. Front is the side with the Condenser Coils LEFT 60" RIGHT 60" NOTE: DO NOT use the unit roof to support any type of REAR 60" structure or bracing. FRONT 60" FIGURE 8 - CLEARANCES Johnson Controls Unitary Products...
  • Page 18: Electric Heat

    Piping access holes should be sealed with a heat resistant mastic to prevent damage to equipment. Refer to Tables 51 through 59 and Figures 26 through 39 for flow rate and capacity. Johnson Controls Unitary Products...
  • Page 19: Steam Heat

    DO NOT use tin based solder. Brazing with tin based solder could cause equipment damage or possible injury to tenants of the structure that is being conditioned. Johnson Controls Unitary Products...
  • Page 20: Static Pressure Control Plastic Tubing

    Do not run plastic tubes in the supply or return air trol. ducts as air movement could cause erroneous sensing. If tubes penetrate bottom of unit be sure openings are sealed against air and water leak- age. Johnson Controls Unitary Products...
  • Page 21: Bottom Supply And Return

    1 -1 /2 " F P T 1-1/4” NPT DETAIL B DETAIL A DETAIL C (ELECTRICAL CONNECTION) (DRAIN CONNECTION) (GAS CONNECTION FOR COOLING ONLY AND ALL HEATING APPLICATIONS THROUGH CURB) FIGURE 11 - BOTTOM SUPPLY AND RETURN Johnson Controls Unitary Products...
  • Page 22: End Return, Bottom Supply

    11” BASE RAIL 2-1/2" 1-1/2" FPT 1-1/4” NPT DETAIL B DETAIL A DETAIL C (DRAIN CONNECTION) (ELECTRICAL CONNECTION) (GAS CONNECTION THROUGH CURB) FOR COOLING ONLY AND ALL HEATING APPLICATIONS FIGURE 12 - END RETURN, BOTTOM SUPPLY Johnson Controls Unitary Products...
  • Page 23: Bottom Return, Front & Rear Supply

    BASE RAIL 2-1/2" 1-1/2" FPT 1-1/4” NPT DETAIL B DETAIL A DETAIL C (DRAIN CONNECTION) (ELECTRICAL CONNECTION) (GAS CONNECTION FOR COOLING ONLY AND ALL HEATING APPLICATIONS THROUGH CURB) FIGURE 13 - BOTTOM RETURN, FRONT & REAR SUPPLY Johnson Controls Unitary Products...
  • Page 24: End Return, Front & Rear Supply

    BASE RAIL 2-1/2" 1-1/2" FPT 1-1/4” NPT DETAIL B DETAIL A DETAIL C (DRAIN CONNECTION) (ELECTRICAL CONNECTION) (GAS CONNECTION THROUGH CURB) FOR COOLING ONLY AND ALL HEATING APPLICATIONS FIGURE 14 - END RETURN, FRONT & REAR SUPPLY Johnson Controls Unitary Products...
  • Page 25: General Physical Data

    4 ea. 16 x 25 / 6 ea. 20 x 25 4 ea. 16 x 25 / 6 ea. 20 x 25 Face Area (sq. ft.) 30.4 30.4 30.4 Unit Control Board with 3 heating outputs only, all other Unit Control Boards 2 / 1. Johnson Controls Unitary Products...
  • Page 26: Electrical Data 25 Ton Basic Unit R22

    42.3 66.0 46.2 59.4 22.0 28.0 230-3-60 42.3 66.0 42.0 54.0 11.0 14.0 460-3-60 17.6 27.5 21.0 27.0 11.0 575-3-60 14.2 22.2 17.0 22.0 Minimum Circuit Ampacity. Dual Element, Time Delay Type. HACR type per NEC Johnson Controls Unitary Products...
  • Page 27: Electrical Data 30 Ton Basic Unit R22

    58.0 59.4 74.8 28.0 42.0 230-3-60 37.2 58.0 54.0 68.0 14.0 21.0 460-3-60 17.2 27.0 27.0 34.0 11.0 17.0 575-3-60 12.4 19.3 22.0 27.0 Minimum Circuit Ampacity. Dual Element, Time Delay Type. HACR type per NEC Johnson Controls Unitary Products...
  • Page 28: Electrical Data 25 Ton With Electric Heat R22

    36.8 11.0 36.8 17.0 36.8 22.0 36.8 73.6 11.0 73.6 575-3-60 14.2 22.2 17.0 73.6 22.0 73.6 99.4 11.0 99.4 17.0 99.4 22.0 99.4 Minimum Circuit Ampacity. Dual Element, Time Delay Type. HACR type per NEC Johnson Controls Unitary Products...
  • Page 29: Electrical Data 30 Ton With Electric Heat R22

    36.8 22.0 36.8 27.0 36.8 11.0 73.6 17.0 73.6 575-3-60 12.4 19.3 22.0 73.6 27.0 73.6 11.0 99.4 17.0 99.4 22.0 99.4 27.0 99.4 Minimum Circuit Ampacity. Dual Element, Time Delay Type. HACR type per NEC Johnson Controls Unitary Products...
  • Page 30: Electrical Data 40 Ton With Electric Heat R22

    36.8 22.0 36.8 27.0 36.8 11.0 73.6 17.0 73.6 575-3-60 12.4 19.3 22.0 73.6 27.0 73.6 11.0 99.4 17.0 99.4 22.0 99.4 27.0 99.4 Minimum Circuit Ampacity. Dual Element, Time Delay Type. HACR type per NEC Johnson Controls Unitary Products...
  • Page 31: Electrical Data 25 Ton With Power

    11.0 14.0 14.0 11.0 14.0 460-3-60 17.6 27.5 21.0 11.0 14.0 27.0 11.0 14.0 11.0 11.0 11.0 575-3-60 14.2 22.2 17.0 11.0 22.0 11.0 Minimum Circuit Ampacity. Dual Element, Time Delay Type. HACR type per NEC Johnson Controls Unitary Products...
  • Page 32: Electrical Data 30 Ton With Power

    27.0 11.0 27.0 14.0 21.0 11.0 34.0 14.0 21.0 11.0 11.0 17.0 17.0 11.0 17.0 575-3-60 12.4 19.3 22.0 11.0 17.0 27.0 11.0 17.0 Minimum Circuit Ampacity. Dual Element, Time Delay Type. HACR type per NEC Johnson Controls Unitary Products...
  • Page 33: Electrical Data 40 Ton With Power

    27.0 11.0 27.0 14.0 21.0 11.0 34.0 14.0 21.0 11.0 11.0 17.0 17.0 11.0 17.0 575-3-60 12.4 19.3 22.0 11.0 17.0 27.0 11.0 17.0 Minimum Circuit Ampacity. Dual Element, Time Delay Type. HACR type per NEC Johnson Controls Unitary Products...
  • Page 34: Electrical Data 25 Ton With Electric Heat And Power Exhaust R22

    22.0 22.0 28.0 15.2 28.0 22.0 28.0 42.3 66.0 15.2 42.0 22.0 28.0 15.2 54.0 22.0 28.0 230-3-60 15.2 22.0 22.0 28.0 15.2 28.0 22.0 28.0 42.3 66.0 15.2 42.0 22.0 28.0 15.2 54.0 22.0 28.0 Johnson Controls Unitary Products...
  • Page 35 27.5 21.0 11.0 14.0 27.0 11.0 14.0 11.0 11.0 14.0 14.0 11.0 14.0 460-3-60 17.6 27.5 21.0 11.0 14.0 27.0 11.0 14.0 11.0 11.0 14.0 14.0 11.0 14.0 17.6 27.5 21.0 11.0 14.0 27.0 11.0 14.0 Johnson Controls Unitary Products...
  • Page 36 22.2 17.0 11.0 22.0 11.0 11.0 11.0 11.0 575-3-60 14.2 22.2 17.0 11.0 22.0 11.0 11.0 11.0 11.0 14.2 22.2 17.0 11.0 22.0 11.0 Minimum Circuit Ampacity. Dual Element, Time Delay Type. HACR type per NEC Johnson Controls Unitary Products...
  • Page 37: Electrical Data 30 Ton With Electric Heat And Power Exhaust R22

    28.0 28.0 42.0 22.0 42.0 28.0 42.0 37.2 58.0 22.0 54.0 28.0 42.0 22.0 68.0 28.0 42.0 230-3-60 22.0 28.0 28.0 42.0 22.0 42.0 28.0 42.0 37.2 58.0 22.0 54.0 28.0 42.0 22.0 68.0 28.0 42.0 Johnson Controls Unitary Products...
  • Page 38 14.0 14.0 21.0 11.0 21.0 14.0 21.0 460-3-60 17.2 27.0 11.0 27.0 14.0 21.0 11.0 34.0 14.0 21.0 11.0 14.0 14.0 21.0 11.0 21.0 14.0 21.0 17.2 27.0 11.0 27.0 14.0 21.0 11.0 34.0 14.0 21.0 Johnson Controls Unitary Products...
  • Page 39 17.0 575-3-60 12.4 19.3 22.0 11.0 17.0 27.0 11.0 17.0 11.0 11.0 17.0 17.0 11.0 17.0 12.4 19.3 22.0 11.0 17.0 27.0 11.0 17.0 Minimum Circuit Ampacity. Dual Element, Time Delay Type. HACR type per NEC Johnson Controls Unitary Products...
  • Page 40: Electrical Data 40 Ton With Electric Heat And Power Exhaust R22

    28.0 28.0 42.0 22.0 42.0 28.0 42.0 37.2 58.0 22.0 54.0 28.0 42.0 22.0 68.0 28.0 42.0 230-3-60 22.0 28.0 28.0 42.0 22.0 42.0 28.0 42.0 37.2 58.0 22.0 54.0 28.0 42.0 22.0 68.0 28.0 42.0 Johnson Controls Unitary Products...
  • Page 41 14.0 14.0 21.0 11.0 21.0 14.0 21.0 460-3-60 17.2 27.0 11.0 27.0 14.0 21.0 11.0 34.0 14.0 21.0 11.0 14.0 14.0 21.0 11.0 21.0 14.0 21.0 17.2 27.0 11.0 27.0 14.0 21.0 11.0 34.0 14.0 21.0 Johnson Controls Unitary Products...
  • Page 42 17.0 575-3-60 12.4 19.3 22.0 11.0 17.0 27.0 11.0 17.0 11.0 11.0 17.0 17.0 11.0 17.0 12.4 19.3 22.0 11.0 17.0 27.0 11.0 17.0 Minimum Circuit Ampacity. Dual Element, Time Delay Type. HACR type per NEC Johnson Controls Unitary Products...
  • Page 43: Field Installed Disconnect

    MOUNT TO THE FOUR POINTS SHOWN. THE RAILS CAN OF HEAT SECTION BE EXTENDED TO MOUNT A TALLER DISCONNECT DOOR WHEN OPEN SWITCH, BUT THESE FOUR POINTS SHOULD BE USED TO MOUNT THE RAILS TO THE UNIT. FIGURE 15 - FIELD INSTALLED DISCONNECT Johnson Controls Unitary Products...
  • Page 44: Partial Roof Curb Model 1Rc0455P

    1 4 G A . G A L V S T E E L R O O F C U R B S E C T I O N " A - A " FIGURE 16 - PARTIAL ROOF CURB MODEL 1RC0455P Johnson Controls Unitary Products...
  • Page 45: Cfm, Static Pressure, And Power - Altitude And Temperature Corrections

    This value must be corrected for elevation. Example 2: A system, located at 5,000 feet of elevation, is to BHP at 5,000 ft = 3.2 x .832 = 2.66 deliver 6,000 CFM at a static pressure of 1.5". Use the unit Johnson Controls Unitary Products...
  • Page 46: Factor

    523717-YIM-A-0509 ltitude/Temperature Conversion Factor SEA LEVEL TEMPER TURE (°F) FIGURE 17 - ALTITUDE/TEMPERATURE CONVERSION FACTOR Johnson Controls Unitary Products...
  • Page 47: Fan Performance - 25 Ton

    Fan performance is based on wet evaporator coils, clean 2” throwaway filters and system/cabinet effects at standard air density and 0 feet elevation. Refer to Tables 33, 49 and 58 for component additions and deductions to fan performance tables. BHP includes drive losses. 4. Shaded RPMs require Class II blower. Johnson Controls Unitary Products...
  • Page 48: Fan Performance - 25 Ton

    CFM (x1000) A - Standard Unit Note: Standard Unit includes wet evaporator coil, clean 2" throwaway filters, system and cabinet effects at standard air density and 0' elevation. FIGURE 18 - FAN PERFORMANCE - 25 TON Johnson Controls Unitary Products...
  • Page 49: Fan Performance - 30 Ton

    Fan performance is based on wet evaporator coils, clean 2” throwaway filters and system/cabinet effects at standard air density and 0 feet elevation. Refer to Tables 33, 49 and 58 for component additions and deductions to fan performance tables. BHP includes drive losses. 4. Shaded RPMs require Class II blower. Johnson Controls Unitary Products...
  • Page 50: Fan Performance - 30 Ton

    CFM (x1000) A - Standard Unit Note: Standard Unit includes wet evaporator coil, clean 2" throwaway filters, system and cabinet effects at standard air density and 0' elevation. FIGURE 19 - FAN PERFORMANCE - 30 TON Johnson Controls Unitary Products...
  • Page 51: Fan Performance - 40 Ton

    Fan performance is based on wet evaporator coils, clean 2” throwaway filters and system/cabinet effects at standard air density and 0 feet elevation. Refer to Tables 33, 50 and 59 for component additions and deductions to fan performance tables. BHP includes drive losses. 4. Shaded RPMs require Class II blower. Johnson Controls Unitary Products...
  • Page 52: Fan Performance - 40 Ton

    CFM (x1000) A - Standard Unit Note: Standard Unit includes wet evaporator coil, clean 2" throwaway filters, system and cabinet effects at standard air density and 0' elevation. FIGURE 20 - FAN PERFORMANCE - 40 TON Johnson Controls Unitary Products...
  • Page 53: Component Static Resistance

    Baseline losses based on system/cabinet effects, wet standard coil and 2-inch throwaway filters at 70°F, 0 feet of elevation with standard air. See Tables 49, 50, 58, and 59 for steam and hot water coil static resistance. Johnson Controls Unitary Products...
  • Page 54: Supply Fan Motor And Drive Data

    213T 86.5 1-3/8 11.3 1-11/16 215T 86.5 89.5 1-3/8 11.3 1-11/16 1069 254T 85.7 89.5 1-3/8 11.3 1-11/16 184T 86.5 1-3/8 11.3 1-11/16 215T 86.5 89.5 1-3/8 11.3 1-11/16 1069 254T 85.7 89.5 1-3/8 11.3 1-11/16 Johnson Controls Unitary Products...
  • Page 55: Power Exhaust - One Forward Curved Fan 25 Ton

    1048 8.25 1075 8.54 1103 8.81 10000 1077 10.10 1096 10.44 Fan performance is based on system/cabinet effects and back draft damper effects at standard air density and 0 feet elevation. BHP includes 5% drive losses. Johnson Controls Unitary Products...
  • Page 56: Power Exhaust - One Forward Curve

    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 21 - POWER EXHAUST - ONE FORWARD CURVE FAN - 25 TONS Johnson Controls Unitary Products...
  • Page 57: Power Exhaust - Two Forward Curved Fans - 30 & 40 Ton

    1240 15.54 Fan performance is based on system/cabinet effects and back draft damper effects at standard air density and 0 feet elevation. BHP includes the sum of both exhaust fan motors. BHP includes 5% drive losses. Johnson Controls Unitary Products...
  • Page 58: Power Exhaust - Two Forward Curved

    523717-YIM-A-0509 FIGURE 22 - POWER EXHAUST - TWO FORWARD CURVED FANS - 30 & 40 TONS Johnson Controls Unitary Products...
  • Page 59: Start-Up

    Check for proper supply air blower rotation. If fans are rotat- specifications may require that this balancing be done by ing backwards the line voltage to unit point of power connec- someone other than the equipment installer. tion is misphased (see Compressor Rotation above.) If the Johnson Controls Unitary Products...
  • Page 60: Checking Air Quantity

    CFM through the unit with clean 2 inch filters, can be the VFD to less than 60 Hz - but the bypass will go to 60 Hz determined from the curve in Figure 52 and 53. immediately on activation. Johnson Controls Unitary Products...
  • Page 61: Supply Air Drive Adjustment

    Use the 30 ton table to select a Browning 2B5V74 which tings will be fine - but verify and fine tune where necessary. will increase the speed of the unit’s drive and its supply air CFM 109%. Johnson Controls Unitary Products...
  • Page 62: Ton Drive Adjustment

    93.2 88.1 91.8 104.1 96.6 91.0 94.5 (Std.) 108.2 100.0 94.0 97.3 (Std.) 112.2 103.4 97.0 100.0 (Std.) 116.3 106.8 100.0 105.5 120.4 110.2 103.0 113.7 124.5 113.6 106.0 121.9 116.9 112.0 120.3 120.9 123.7 129.9 Johnson Controls Unitary Products...
  • Page 63: Drive Adjustment For Power Exhaust

    7.5 HP Motor & 852 RPM Drive 10 HP Motor & 975 RPM Drive %RPM Req’d Browning %RPM Req’d Browning %RPM Browning Req’d PD & CFM 2b5v_ _ & CFM 2b5v_ _ & CFM 2b5v_ _ 4.9 (Std.) 5.5 (Std.) 6.3 (Std.) Johnson Controls Unitary Products...
  • Page 64: Gas Furnace Operating Instructions

    To increase the gas pressure, turn the adjusting screw clockwise. Depress knob of gas valve while turning to off position or move switch to off position. (Refer to Figure 24). NOTE: The factory manifold pressure for each furnace module is 3.50 IWG. Johnson Controls Unitary Products...
  • Page 65: Burner Instructions

    Disconnect wiring to the gas valves and spark ignitors. the gas in your particular locality (contact your gas Remove the manifold-burner gas valve assemblies by company for this information - it varies widely from pulling back. city to city). Johnson Controls Unitary Products...
  • Page 66: Electric Heating

    All indoor blower motors are non-inherently protected three voltage to unit single point power connection is misphased phase motors. Overcurrent protection is provided by a man- (See page 59 Compressor Rotation). ual reset starter/overload relay and short circuit protection is Johnson Controls Unitary Products...
  • Page 67: Power Exhaust Or Return Air Fan Motors

    Based on 60°F entering air temperature, 2.00” maximum pressure drop across the hot water coil. TABLE 49: STATIC RESISTANCE STEAM COIL (25 & 30 TON) 6000 8000 10000 12000 15000 Air Pressure 0.11 0.18 0.26 0.36 0.54 Drop Johnson Controls Unitary Products...
  • Page 68: Tons

    553.6 15000 351.0 440.9 531.3 622.1 TABLE 53: WATER PRESSURE DROP (1 ROW, 25 & 30 TON) Based on 60°F entering air temperature, 2.00” maximum pressure drop across the hot water coil. Water Pressure 10.0 Drop Johnson Controls Unitary Products...
  • Page 69: Ton

    2.00” maximum air pres- sure drop across the hot water coil(s). ARI certified ratings at covering other conditions are available upon request. Hot water coils are approved for use with glycol (rates available upon request. Johnson Controls Unitary Products...
  • Page 70: Hot Water Coil - 25 & 30 Ton, 1 Row, At 10 Gpm

    1 4 0 0 0 1 5 0 0 0 F L O W R A T E (C F M ) FIGURE 27 - HOT WATER COIL - 25 & 30 TON, 1 ROW, AT 20 GPM Johnson Controls Unitary Products...
  • Page 71: Hot Water Coil - 25 & 30 Ton, 1 Row, At 30 Gpm

    1 4 0 0 0 1 5 0 0 0 F L O W R A T E (C F M ) FIGURE 29 - HOT WATER COIL - 25 & 30 TON, 1 ROW, AT 40 GPM Johnson Controls Unitary Products...
  • Page 72: Hot Water Coil - 25 & 30 Ton, 2 Row, At 60 Gpm

    1 4 0 0 0 1 5 0 0 0 F L O W R A T E ( C F M ) FIGURE 31 - HOT WATER COIL - 25 & 30 TON, 2 ROW, AT 80 GPM Johnson Controls Unitary Products...
  • Page 73: Hot Water Coil - 40 Ton, 1 Row, At 10 Gpm

    1 9 0 0 0 2 0 0 0 0 F L O W R A T E ( C F M ) FIGURE 33 - HOT WATER COIL - 40 TON, 1 ROW, AT 20 GPM Johnson Controls Unitary Products...
  • Page 74: Hot Water Coil - 40 Ton, 1 Row, At 30 Gpm

    1 9 0 0 0 2 0 0 0 0 F L O W R A T E ( C F M ) FIGURE 35 - HOT WATER COIL - 40 TON, 1 ROW, AT 40 GPM Johnson Controls Unitary Products...
  • Page 75: Hot Water Coil - 40 Ton, 2 Row, At 20 Gpm

    1 9 0 0 0 2 0 0 0 0 F L O W R A T E (C F M ) FIGURE 37 - HOT WATER COIL - 40 TON, 2 ROW, AT 40 GPM Johnson Controls Unitary Products...
  • Page 76: Hot Water Coil - 40 Ton, 2 Row, At 60 Gpm

    1 9 0 0 0 2 0 0 0 0 F L O W R A T E ( C F M ) FIGURE 39 - HOT WATER COIL - 40 TON, 2 ROW, AT 80 GPM Johnson Controls Unitary Products...
  • Page 77: Steam Coil - 25 & 30 Ton (1 Row)

    1 8 0 0 0 1 9 0 0 0 2 0 0 0 0 F L O W R A T E (C F M ) FIGURE 41 - STEAM COIL - 40 TON (1 ROW) Johnson Controls Unitary Products...
  • Page 78: Typical Control Wiring

    523717-YIM-A-0509 FIGURE 42 - TYPICAL CONTROL WIRING Johnson Controls Unitary Products...
  • Page 79: Legend

    523717-YIM-A-0509 FIGURE 43 - LEGEND Johnson Controls Unitary Products...
  • Page 80: Typical 25 Ton Power Wiring

    523717-YIM-A-0509 FIGURE 44 - TYPICAL 25 TON POWER WIRING Johnson Controls Unitary Products...
  • Page 81: Typical 30/40 Ton Power Wiring

    523717-YIM-A-0509 FIGURE 45 - TYPICAL 30/40 TON POWER WIRING Johnson Controls Unitary Products...
  • Page 82: Typical Standard Gas Heat Wiring

    523717-YIM-A-0509 FIGURE 46 - TYPICAL STANDARD GAS HEAT WIRING Johnson Controls Unitary Products...
  • Page 83: Typical Modulating Gas Heat Wiring

    523717-YIM-A-0509 FIGURE 47 - TYPICAL MODULATING GAS HEAT WIRING Johnson Controls Unitary Products...
  • Page 84: Gas Furnace Safety Features

    (Refer to Table 15). Perform all maintenance operations on the blower motor with power disconnected from the unit. Do not attempt to lubricate bearings with the unit in operation. Johnson Controls Unitary Products...
  • Page 85: Fan Drives

    After brushing is complete, blow all brushed areas with air or nitrogen. Vacuum as needed. Johnson Controls Unitary Products...
  • Page 86: Secure Owners Approval

    OUTLET TUBES "A" "A" FLUE BAFFLE REMOVE SCREWS SECTION "A" - "A" FIGURE 48 - TYPICAL FLUE BAFFLE Johnson Controls Unitary Products...
  • Page 87: Ton Charging Curve

    523717-YIM-A-0509 FIGURE 49 - 25 TON CHARGING CURVE Johnson Controls Unitary Products...
  • Page 88: Ton Charging Curve

    523717-YIM-A-0509 FIGURE 50 - 30 TON CHARGING CURVE Johnson Controls Unitary Products...
  • Page 89: Ton Charging Curve

    523717-YIM-A-0509 FIGURE 51 - 40 TON CHARGING CURVE Johnson Controls Unitary Products...
  • Page 90: Pressure Drop Dry Evaporator Coil Vs Supply Air Cfm - 25 Ton

    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 52 - PRESSURE DROP DRY EVAPORATOR COIL VS SUPPLY AIR CFM - 25 TON Johnson Controls Unitary Products...
  • Page 91: Pressure Drop Dry Evaporator Coil Vs Supply Air Cfm - 30 & 40 Ton

    523717-YIM-A-0509 FIGURE 53 - PRESSURE DROP DRY EVAPORATOR COIL VS SUPPLY AIR CFM - 30 & 40 TON Johnson Controls Unitary Products...
  • Page 92 Subject to change without notice. Printed in U.S.A. 523717-YIM-A-0509 Copyright © 2009 by Johnson Controls, Inc. All rights reserved. Supersedes: 336043-YIM-A-0608 Johnson Controls Unitary Products 5005 York Drive Norman, OK 73069...

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