Johnson Controls York VERSECON YSWD Series Installation Operation & Maintenance
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Johnson Controls York VERSECON YSWD Series Installation Operation & Maintenance

Johnson Controls York VERSECON YSWD Series Installation Operation & Maintenance

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VERSECON AIR CONDITIONING UNIT
INSTALLATION, OPERATION & MAINTENANCE
Supersedes 145.05-NOM1 (1107)
Form 145.05-NOM1(708)
035-21989-000
MODEL YSWD & YSWU

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Summary of Contents for Johnson Controls York VERSECON YSWD Series

  • Page 1 VERSECON AIR CONDITIONING UNIT INSTALLATION, OPERATION & MAINTENANCE Supersedes 145.05-NOM1 (1107) Form 145.05-NOM1(708) 035-21989-000 MODEL YSWD & YSWU...
  • Page 2 Failure to follow this will void the manufacturer’s warranty and cause serious damage to property or injury to persons. JOHNSON CONTROLS...

  • Page 3: Changeability Of This Document

    YORK Applied Systems office. whether the equipment has been modified and if current literature is available. JOHNSON CONTROLS...

  • Page 4: Table Of Contents

    PHASE MONITOR ............................29 DUCTING ..............................29 Supply Air .............................29 Return Air .............................29 Ducted Return ..........................29 Free Return ............................29 WATER PIPING ............................30 General ..............................30 Condenser Connections ........................30 Cooling Towers ..........................31 Waterside Piping Arrangements ....................31 Water Temperature Requirements ....................31 Condensate Drain Connections ......................31 JOHNSON CONTROLS...
  • Page 5 PERIODIC MAINTENANCE – MONTHLY ....................39 Filters ..............................39 Linkages ...............................39 Compressors ............................39 Oil Analysis ............................39 Fan Bearing Lubrication ........................39 Recommended Lubricant for Fan Bearings ..................39 PERIODIC MAINTENANCE – THREE TO SIX MONTHS .....................40 Motor Bearing Lubrication ........................40 Belt Tension ............................40 JOHNSON CONTROLS...
  • Page 6 Return Air Temperature Control ....................52 Dew Point Temperature Control (FlexSys Units) ...............52 Coil Leaving Temperature Control (FlexSys Units) ..............52 Compressor Analog Output ......................52 Compressor Staging ........................53 Lead Lag Operation ..........................54 Two Compressor Units .........................54 Four Compressor Units ........................54 JOHNSON CONTROLS...
  • Page 7 PID Loop Out ............................61 Digital Out ............................61 SETPOINTS ..............................62 FORCED OUTPUTS ............................64 SETTING DATE AND TIME .........................65 DAILY SCHEDULE ............................67 HOLIDAY SCHEDULE ..........................68 OVERRIDE SCHEDULE ..........................68 COMMUNICATIONS ...........................69 Communication Wiring ........................69 Network Baud Rate ..........................69 Device Object Instance (DE) .......................70 JOHNSON CONTROLS...
  • Page 8 Fan Failure (Alarm) ..........................116 Freeze (Fault / Alarm) ........................117 CONTROL BOARD CONFIGURATION ....................118 Main Control Board ...........................118 Auxiliary Control Board ........................119 WIRING DIAGRAMS ..........................124 Constant Volume, Variable Air Volume ....................124 CV, VAV, FlexSys ..........................125 CV, VAV, FlexSys ..........................126 FlexSys ...............................127 JOHNSON CONTROLS...

  • Page 9: List Of Tables

    TABLE 27 – CONSTANT VOLUME / VARIABLE AIR VOLUME MAIN CONTROL BOARD * .......120 TABLE 28 – CONSTANT VOLUME / VARIABLE AIR VOLUME EXPANSION CONTROL BOARD * ...121 TABLE 29 – FLEXSYS MAIN CONTROL BOARD * ..................122 TABLE 30 – FLEXSYS EXPANSION CONTROL BOARD * ................123 JOHNSON CONTROLS...

  • Page 10: List Of Figures

    FIG. 11 – ELEMENTARY CONTROL WIRING DIAGRAM, YWSU- ALL OPTIONS ........124 FIG. 12 – ELEMENTARY CONTROL WIRING DIAGRAM, YSWU ..............125 FIG. 13 – ELEMENTARY POWER WIRING DIAGRAM, YSWU ..............126 FIG. 14 – ELEMENTARY CONTROL WIRING DIAGRAM, YSWU DOWNFLOW ..........127 JOHNSON CONTROLS...

  • Page 11: Section 1 - Introduction

    YSWD - YORK Floor X Floor, Water Cooled, Downflow YSAD - YORK Floor X Floor, Air Cooled, Downflow Variable Frequency Drive YSCD - YORK Floor X Floor, Chilled Water, Downflow Supply Air Temp Mixed Air Temp Air Flow Switch Duct High Static Return Air Temp JOHNSON CONTROLS...
  • Page 12 FORM 145.05-NOM1 (708) THIS PAGE INTENTIONALLY LEFT BLANK JOHNSON CONTROLS...

  • Page 13: Section 2 - Installation

    ENTERING COND. WATER panels. Before servicing, open and tag TEMP W/O WATER 55.0° F 115.0° F all disconnect switches. ECONOMIZER STEAM HEAT – STEAM 5 PSIG 15 PSIG PRESSURE HOT WATER HEAT ENTERING 140.0° F 160.0° F WATER TEMP JOHNSON CONTROLS...

  • Page 14: Location And Clearances

    Unit weights are listed in Table 5 in this manual. These the above components. weights must be referred to when selecting a crane for rigging. Contact your Johnson Controls Sales Office if you have any questions regarding unit weights. LEFT 24"...

  • Page 15: Table 5 - Weights

    HOT WATER HEAT WATER WEIGHT STEAM ELECTRIC HEAT RETURN AIR SECTION FILTERS – 4" 30% FAN SECTION CABINET 1135 1140 FAN AND BASE 18" 20" 22" 24" 27" 30" 33" 36" 40" 44" MOTOR HP VARIABLE FREQUENCY DRIVE JOHNSON CONTROLS...
  • Page 16 Always test-lift the unit to determine the exact unit cabinet to prevent any structural damage to the frame. balance and stability before hoisting it to the installation location. JOHNSON CONTROLS...

  • Page 17: Factory-Supplied Plenum

    Refer to publication Form 145.05-FA1 for detailed injury. instruction on how to reassemble the unit. The plenum insulation strip must be applied properly to prevent air bypass around the plenum JOHNSON CONTROLS...

  • Page 18: Remove Shipping Restraints

    (see Figure 2). Restraints and shipping blocks must be removed after unit has been set in its final location. TIE DOWN BOLTS TYP FOUR PLACES DETAIL A SCALE 1:4 LD12274 SUPPLY FAN ASSEMBLY FIG. 2 – SHIPPING RESTRAINT LOCATIONS JOHNSON CONTROLS...

  • Page 19: Table 6 - Data Table

    1–27 Motor HP range 1.0–20.0 1.0–20.0 1.0–20.0 1.0–20.0 1.5–20.0 2.0–20.0 2.0–20.0 Compressor Type SCROLL Section Quantity Stages–VAV systems 4–6 4–6 Due to * Aluminum fins standard. ** M-Available Modular Construction, N- for New Construction. Continued on next page JOHNSON CONTROLS...
  • Page 20 4–6 4–6 4–6 4–6 4–6 Condenser Type WATER-COOLED, MECHANICALLY CLEANABLE Section Quantity GPM Range 2.0 to 3.0 GPM/Ton 100–150 110–165 120–180 144-216 158-237 180-270 Due to * Aluminum fins standard. ** M-Available Modular Construction, N- for New Construction. JOHNSON CONTROLS...
  • Page 21 Add 12” for 4” pre-filters with 4” final filters Inlet Length Add 22” for 4” pre-filters and 12” final filters Drain Connection 1 1/8 1 1/8 Condenser Water Supply/Return 2 1/8 2 5/8 C F Consult Factory All dimensions in inches JOHNSON CONTROLS...
  • Page 22 73 1/2 73 1/2 Inlet Length Drain Connection 1 1/8 1 1/8 1 1/8 1 1/8 1 1/8 1 1/8 Condenser Water Supl/Ret. 2 5/8 2 5/8 2 5/8 3 1/8 3 1/8 3 1/8 All dimensions in inches JOHNSON CONTROLS...

  • Page 23: Table 7 - Refrigerant Charge Data

    11.5 DVW021 13.5 DVW021 DVW021 DVW021 DVW021 DVW021 11.5 DVW021 15.5 DVW021 DVW021 15.5 DVW021 DVW021 14.5 DVW025 DVW025 DVW025 DVW025 13.5 DVW025 DVW025 15.5 13.5 DVW025 DVW025 16.5 13.5 DVW025 12.5 DVW025 16.5 Continued on next page JOHNSON CONTROLS...
  • Page 24 13.5 DVW039 16.5 11.5 DVW039 12.5 12.5 DVW039 14.5 14.5 DVW039 13.5 10.5 DVW039 12.5 DVW039 13.5 12.5 DVW039 12.5 13.5 DVW039 14.5 DVW039 13.5 13.5 DVW039 15.5 DVW048 11.5 11.5 DVW048 11.5 16.5 Continued on next page JOHNSON CONTROLS...
  • Page 25 DVW050 18.5 17.5 14.5 DVW055 12.5 15.5 DVW055 15.5 DVW055 14.5 DVW055 DVW055 15.5 13.5 DVW055 16.5 DVW055 15.5 14.5 DVW055 17.5 DVW055 16.5 15.5 15.5 DVW055 15.5 21.5 DVW055 14.5 DVW055 16.5 15.5 Continued on next page JOHNSON CONTROLS...
  • Page 26 19.5 20.5 DVW079 30.5 19.5 28.5 DVW090 18.5 19.5 17.5 DVW090 25.5 22.5 DVW090 22.5 17.5 16.5 DVW090 22.5 18.5 17.5 DVW090 25.5 22.5 DVW090 22.5 20.5 DVW090 22.5 31.5 29.5 DVW090 22.5 23.5 21.5 DVW090 22.5 32.5 JOHNSON CONTROLS...

  • Page 27: Electrical Data

    The calculations, and you must use the highest value for any highest value obtained is used for the MOP. combination of loads. JOHNSON CONTROLS...

  • Page 28: Field Control Wiring

    The connection point for this rated at 3 amps maximum that are normally open. The feature is terminals 9 and 10 of the low voltage terminal following is a description of each of the contacts. block. JOHNSON CONTROLS...

  • Page 29: Fan Start

    Units are also available with a factory provided discharge plenum. Supply duct connections to the plenum opening(s) should include a canvas type connector. Plenum opening sizes and locations will be indicated on the job submittal drawing. JOHNSON CONTROLS...

  • Page 30: Water Piping

    8. Size piping to minimize system pressure drop. multiple units are in the loop. 9. All piping must be supported independent of the unit. 10. To aid in service the unit should have a union in the water inlet and outlet water lines. JOHNSON CONTROLS...

  • Page 31: Cooling Towers

    Multistory buildings may use a direct return system of ¼” ID sensor tubing to the selected duct location. A with balancing valves at each floor. field supplied static pressure probe and tubing must be installed in the field prior to unit start up. JOHNSON CONTROLS...

  • Page 32: Mounting Instructions

    (atmospheric reference) to the “low” location for the second sensor. port on the transducer. 6. If the unit has two duct static transducers repeat the above procedure for the second transducer. JOHNSON CONTROLS...

  • Page 33: Return, Outdoor, Supply Air, And Mixed Air Sensors

    The unit can be ordered The sensor must be mounted in a location that will give and configured for either Tri-State hot water heat or a representative outdoor air temperature. Modulating hot water heat . JOHNSON CONTROLS...

  • Page 34: Hot Water Piping

    The unit can be ordered with factory installed electric heat. The electric heat option is installed on the supply air outlet. The electric heat assembly, including the controls, is contained within the supply air plenum on the top of the unit. JOHNSON CONTROLS...

  • Page 35: Section 3 - Start-Up

    To protect warranty, this equipment PRE-STARTUP REQUIREMENTS must be installed and serviced by an 1. Inspect the unit for shipping or installation dam- authorized Johnson Controls service age. mechanic or a qualified service person 2. Verify the unit is completely and properly installed experienced in air handling and con- with ductwork connected.

  • Page 36: Unit Checks - Power Applied

    Failure to observe these steps when the TXV stabilizes. could lead to compressor failure. JOHNSON CONTROLS...

  • Page 37: Refrigerant Charge

    Liquid Line Subcooling 10° F initial operating period, no safety trips and the unit controls are functioning properly, the unit is ready The subcooling should be adjusted to 6 to 10° F at to be placed into operation. design conditions. JOHNSON CONTROLS...

  • Page 38: Table 11 - Temperature/Pressure Chart - Refrigerant R-22

    44°F setpoint, with ambient air temperatures between 143.6 90-100°F. This is only a guideline and readings beyond these ranges will occur. 148.4 Vapor entering compressor should be superheated 12-15°F. 153.2 Liquid from condenser should be subcooled 12-15°F. 158.2 163.2 168.4 JOHNSON CONTROLS...

  • Page 39: Section 4 - Maintenance

    TABLE 12 – FAN BEARING – LUBRICATION INTERVALS RELUBRICATION SCHEDULE (MONTHS) BALL BEARING PILLOW BLOCKS SPEED (RPM) 1000 1500 2000 2500 3000 3500 4000 4500 SHAFT DIA 1/2” thru 1-11/16” 1-15/16” thru 2-7/16” 2-11/16” thru 2-15/16” 3-7/16” thru 3-15/16” JOHNSON CONTROLS...

  • Page 40: Periodic Maintenance - Three To Six Months

    18.9 14.8 22.1 7.1 – 10.9 1741 – 3000 11.2 16.7 13.7 20.1 500 – 1740 15.5 23.4 17.1 25.5 11.8 – 16.0 1741 – 3000 14.6 21.8 16.8 25.0 SHEAVE DIAMETER – INCHES; DEFLECTION FORCE – LBS JOHNSON CONTROLS...

  • Page 41: Belts

    File the marks com- pletely smooth. Drive the shaft in the opposite direction and file smooth the setscrew marks. LD06354 FIG. 4 – BELT TENSIONING GAUGE JOHNSON CONTROLS...

  • Page 42: Fan Motor

    7. Remove motor. is not bent. 8. Install new motor. Reassemble by reversing steps 1 – 6. Be sure to reinstall multiple belts in their JOHNSON CONTROLS...

  • Page 43: Bearing Locking Devices

    Refill the water side of the condenser and purge the air. • Open the shut off isolation valves. • Inspect the condenser coil for leaks. • Reinstall the condenser access panel. • Return the unit to normal operation. JOHNSON CONTROLS...

  • Page 44: Water Pressure Drop Tables

    C ondens er Water P res s ure Drop Ð 0012 through 0032 32 HP 27 HP 25 HP 37 HP 22 HP 19 HP 17 HP 14 HP 11 HP Water Flow - GPM Water F low Ð G P M LD13134 JOHNSON CONTROLS...
  • Page 45 74 HP 50 HP 60 HP 70 HP 80 HP 64 HP 54 HP 48 HP 44 HP 34 HP 38 HP Water Flow - GPM Water Flow - GPM Water F low Ð G P M LD13135 JOHNSON CONTROLS...
  • Page 46 C ondens er Water P res s ure Drop Ð 0055 through 0090 74 HP 70 HP 64 HP 80 HP 100 HP 90 HP 60 HP Water Flow - GPM Water F low Ð G P M LD13136 JOHNSON CONTROLS...

  • Page 47: Section 5 - Sequence Of Operation

    Switch input enters the control at the IN7 – terminals 13 and 14. “Fan-VAV/CV En” – This value needs to be set to “VAV” for variable air volume or FlexSys operation and to “CV” for constant volume applications. The default value is “VAV”. JOHNSON CONTROLS...

  • Page 48: Vav Fan Operation

    “START MODE” to the “ON MODE”. Cooling and heating operation cannot occur until the unit is in the “ON MODE”. JOHNSON CONTROLS...

  • Page 49: Flexsys Dew Point Control

    “ECON – R/A DIF” is greater than or equal to the “AC-S/A TMP EN”. The default value is 75.0° F. DEW MAX” the control sets the “DEW POINT COOLING” set point to the “AC-S/A DEW MAX” programmed value. JOHNSON CONTROLS...

  • Page 50: Sequence Of Operation

    Air Temperature Control output to the Return Air outputs to control the economizer water valve. Temperature Control output and select the lower of the two outputs. It will then compare it to the Dew Point Control output and select the higher of the two values. JOHNSON CONTROLS...

  • Page 51: Condenser Water Valve Operation

    CONDENSER WATER BYPASS “AC-R/A TEMP EN”, the default value is 75.0° F. The following parameter must be programmed through the “Setpoints” section of the Keypad / Display, or by a communicated input. JOHNSON CONTROLS...

  • Page 52: Sequence Of Operation

    TURN ON TURN OFF TURN ON TURN OFF TURN ON TURN OFF TURN ON STAGE 1 18.5% 33.5% 1.5% 16.5% STAGE 2 100% 51.5% 66.5% STAGE 3 100% STAGE 4 100% 51.5% 66.5% STAGE 5 STAGE 6 100% JOHNSON CONTROLS...

  • Page 53: Compressor Staging

    D, C, B, and A. than 75% again, the third stage demand would continue and the 2-minute off delay would be turned off. If at JOHNSON CONTROLS...

  • Page 54: Lead Lag Operation

    The control tries to maintain the supply air temperature no lower then 2.0° F below the “AC / ECON / S/A SP” set point. JOHNSON CONTROLS...
  • Page 55 The following parameters must be programmed through increases 2.0° F above the set point before it disables the “Setpoints” section of the Keypad / Display or by the Heating operation. a communicated input. JOHNSON CONTROLS...
  • Page 56 30 seconds off delay would be turned off. If at any time the heating demand is lost for two seconds the demand for second stage operation would be turned off. The second stage of heating will not start until the first stage of heating has been turned on. JOHNSON CONTROLS...
  • Page 57 If the output is between 10 and 50%, the control will maintain the valve The 24 VAC close signal originates at Terminals 15 output in the hold position (no output). and 16 of the DO8 connector on the Expansion Control Board. JOHNSON CONTROLS...
  • Page 58 FORM 145.05-NOM1 (708) THIS PAGE INTENTIONALLY LEFT BLANK JOHNSON CONTROLS...

  • Page 59: Fig. 5 - Keypad / Display

    Off-Normal and On-Normal mode. When the air • ALARM – The LED will be energized any time proving switch circuit closes, the unit will switch an Alarm is active. from Starting to On-Normal. JOHNSON CONTROLS...
  • Page 60 Press ENTER and the Alarm should have reset. Then right > or left arrow key < to scroll through the following press the ENTER key again. Press the INC key to switch data. from [On] to [Off] and press the ENTER key. JOHNSON CONTROLS...
  • Page 61 Safe Input – On or Off, On = OK • Comp D En – On or Off • Air Flow Switch – On or Off, On = OK • Alarm Out – On or Off • Duct Hi Static – On or Off, On = OK JOHNSON CONTROLS...
  • Page 62 > to move the cursor. After entering the password, press the ENTER key >. File View view R e q u i r e s A d m i n P a s s w o r d : HOME ALARM CANCEL ENTER JOHNSON CONTROLS...

  • Page 63: Table 16 - Setpoint Screen Parameters

    0 % – 100 % HT STG –1/TRI-2 1 – STAGED HEAT/ 2- TRI STATE HEAT HEAT STG 0 OR 2 0 OR 2 COMP STG 4 OR 6 4 OR 6 ECON VALVE MIN 0% TO 100% JOHNSON CONTROLS...

  • Page 64: Table 17 - Forced On Parameters

    Sends 0 to 10 volt signal to modulating heat valve (FlexSys units only) Econ Valve AO-1 Analog Sends 0 to 10 volt signal to Econ water valve or air damper motor Heat Valve AO-2 Analog Sends 0 to 10 volt signal to modulating heat valve JOHNSON CONTROLS...
  • Page 65 T i m e ( h h : m m : s s ) [ 1 9 ] : ENTER HOME ALARM CANCEL • When Clockset is surrounded by brackets, press the ENTER key. ENTER • The Date screen appears: JOHNSON CONTROLS...
  • Page 66 • In the Daylight Saving screen, move the key to the value after Enable until is surrounded by • Use the  key to scroll to the next field. brackets. Press the ENTER key. JOHNSON CONTROLS...
  • Page 67 8:15 AM. Versecon uses a 24-hour clock. File View view S e t p o i n t s [ D a i l y S c h e d ] HOME ALARM CANCEL ENTER JOHNSON CONTROLS...
  • Page 68 fields, there is a Date field. You do not assign days of the week to an override • There is one field for each day of the week. The schedule. field farthest to the left is Sunday. JOHNSON CONTROLS...

  • Page 69: Fig. 6 - Communication Wiring

    The shield must only be connected to ground on one end. Network baud Access baud 1N9/1N10 38.4K 9600 2 3 4 Network Port Network Port baud jumper LogiStat Port Access Port baud jumper MAC Address Switches FIG. 6 – COMMUNICATION WIRING JOHNSON CONTROLS...

  • Page 70: Table 18 - Bacnet Ms/Tp Points

    1 = Reset – Active 15200 0 = Off – Inactive B/P Max 16016 Not Applicable B/P Mod 14003 Not Applicable The Actual Analog Output to Only on FlexSys B/P Mod 14003 the Bypass Damper in % Units Continued on next page JOHNSON CONTROLS...
  • Page 71 (0 to 5) CTCompAH 16138 Not Applicable CTCompAL 16134 Not Applicable CTCompBH 16137 Not Applicable CTCompBL 16133 Not Applicable CTCompCH 16140 Not Applicable CTCompCL 16136 Not Applicable CTCompDH 16139 Not Applicable CTCompDL 16135 Not Applicable Continued on next page JOHNSON CONTROLS...
  • Page 72 Evaporator Coil Leaving DX Temp 0 – 120 Deg F 13019 Only with FlexSys Temperature Minimum Allowable Pressure DxPrs Drop Across the Evaporator 0.2 – 1.0 in of wc 16005 Only with FlexSys Coil Continued on next page JOHNSON CONTROLS...
  • Page 73 1 = On Active FlexSys 0 = Off – Inactive Indoor Fan Failure Alarm: FanFlt 1 = Fault 15113 0 = No Fault FC Comp A 15506 Not Applicable FC Comp B 15507 Not Applicable Continued on next page JOHNSON CONTROLS...
  • Page 74 FCPmp Out 15503 1 = On – Active 0 = Off – Inactive Indicates if the VAV Supply Fan Enable is Forced On: FCVAVEn 15502 1 = On – Active 0 = Off – Inactive Continued on next page JOHNSON CONTROLS...
  • Page 75 On and Off: FRIDAYSCHED15 1032 1 = On – Active 0 = Off – Inactive Turns the Friday Schedule 16 On and Off: FRIDAYSCHED16 1043 1 = On – Active 0 = Off – Inactive Continued on next page JOHNSON CONTROLS...
  • Page 76 1156 Holiday Schedule 11 Sets the Day of the Month for HDAY12 1 – 31 1166 Holiday Schedule 12 Sets the Day of the Month for HDAY13 1 – 31 1176 Holiday Schedule 13 Continued on next page JOHNSON CONTROLS...
  • Page 77 1204 Holiday Schedule 15 Set the Month of the Year for HMONTH16 1 – 12 1194 Holiday Schedule 16 Set the Month of the Year for HMONTH2 1 – 12 1072 Holiday Schedule 2 Continued on next page JOHNSON CONTROLS...
  • Page 78 HOLIDAY 13 STAT 1058 1 = On – Active 0 = Off – Inactive Status of the Holiday 14 Schedule: HOLIDAY 14 STAT 1059 1 = On – Active 0 = Off – Inactive Continued on next page JOHNSON CONTROLS...
  • Page 79 1 = On – Active 0 = Off – Inactive Holiday Schedule 1 Start Time HSTART HR1 1 – 24 1062 Hour Holiday Schedule 10 Start HSTART HR10 1 – 24 1140 Time Hour Continued on next page JOHNSON CONTROLS...
  • Page 80 Holiday Schedule 14 Start HSTART MIN14 1 – 60 1191 Time Minutes Holiday Schedule 15 Start HSTART MIN15 1 – 60 1201 Time Minutes Holiday Schedule 16 Start HSTART MIN16 1 – 60 1211 Time Minutes Continued on next page JOHNSON CONTROLS...
  • Page 81 Holiday Schedule 5 Stop Time HSTOP HR5 1 – 24 1092 Hour Holiday Schedule 6 Stop Time HSTOP HR6 1 – 24 1102 Hour Holiday Schedule 7 Stop Time HSTOP HR7 1 – 24 1112 Hour Continued on next page JOHNSON CONTROLS...
  • Page 82 For Staged Heat it Indicates Ht Stg1/Close the Status of Stage 1; for Only with Staged 1 = ON 11011 Tristate it Indicates the Status or Tristate Heat 0 = OFF of the Close Output Continued on next page JOHNSON CONTROLS...
  • Page 83 Schedule 14: MONDAYSCHED14 1018 1 = On – Active 0 = Off – Inactive Turns Monday On / Off for Schedule 15: MONDAYSCHED15 1028 1 = On – Active 0 = Off – Inactive Continued on next page JOHNSON CONTROLS...
  • Page 84 FlexSys Air Side Economizer: O/A Econ En 1 = Enabled – Active 15009 0 = Disabled – Inactive Outdoor Air Minimum Position Only with Air Side O/A Min Pos 0 -100 16012 Setpoint Economizer Continued on next page JOHNSON CONTROLS...
  • Page 85 1 -12 1295 Over Ride Schedule 7 Sets the Month of the Year for OMONTH8 1 -12 1305 Over Ride Schedule 8 Unit On Switch Status On Swch 1 = On 12001 0 = Open Continued on next page JOHNSON CONTROLS...
  • Page 86 Sets the Minutes for the Start OSTART MIN8 1 – 60 1301 Time for Over Ride Schedule 8 Sets the Hour of the Day for OSTOP HR1 the Stop Time for Over Ride 1 – 24 1232 Schedule 1 Continued on next page JOHNSON CONTROLS...
  • Page 87 Schedule 1: OVERRIDE1STAT 1220 1 = On – Active 0 = Off – Inactive Gives the Status of Over Ride Schedule 2: OVERRIDE2STAT 1221 1 = On – Active 0 = Off – Inactive Continued on next page JOHNSON CONTROLS...
  • Page 88 16004 with Dew Point Temperature Below Dew Point Control Minimum Supply Air Only with FlexSys 40.0 SadAcMin Temperature for Dew Point R / W Deg F 16003 with Dew Point – 90.0 Control Control Continued on next page JOHNSON CONTROLS...
  • Page 89 Schedule 15: SATURDAYSCHED15 1033 1 = On – Active 0 = Off – Inactive Turns Saturday On / Off for Schedule 16: SATURDAYSCHED16 1044 1 = On – Active 0 = Off – Inactive Continued on next page JOHNSON CONTROLS...
  • Page 90 Gives the Status of Schedule 11: Schedule 11STAT 1 = On – Active 0 = Off – Inactive Gives the Status of Schedule 12: Schedule 12STAT 1 = On – Active 0 = Off – Inactive Continued on next page JOHNSON CONTROLS...
  • Page 91 1 = On – Active 0 = Off – Inactive Gives the Status of Schedule 9: SCHEDULE9STAT 1 = On – Active 0 = Off – Inactive Side1 15115 Not Applicable Side2 15114 Not Applicable Continued on next page JOHNSON CONTROLS...
  • Page 92 1 – 60 START MIN13 Start Minutes for Schedule 13 1 – 60 1004 START MIN14 Start Minutes for Schedule 14 1 – 60 1015 START MIN15 Start Minutes for Schedule 15 1 – 60 1026 Continued on next page JOHNSON CONTROLS...
  • Page 93 1 – 60 STOP MIN16 Stop Minutes for Schedule 16 1 – 60 1038 STOP MIN2 Stop Minutes for Schedule 2 1 – 60 STOP MIN3 Stop Minutes for Schedule 3 1 – 60 Continued on next page JOHNSON CONTROLS...
  • Page 94 Schedule 15: SUNDAYSCHED15 1034 1 = On – Active 0 = Off – Inactive Turns Sunday On / Off for Schedule 16: SUNDAYSCHED16 1045 1 = On – Active 0 = Off – Inactive Continued on next page JOHNSON CONTROLS...
  • Page 95 Turns Thursday On / Off for Schedule 10: THURSDAYSCHED10 1 = On – Active 0 = Off – Inactive Turns Thursday On / Off for Schedule 11: THURSDAYSCHED11 1 = On – Active 0 = Off – Inactive Continued on next page JOHNSON CONTROLS...
  • Page 96 Turns Thursday On / Off for Schedule 6: THURSDAYSCHED6 1 = On – Active 0 = Off – Inactive Turns Thursday On / Off for Schedule 7: THURSDAYSCHED7 1 = On – Active 0 = Off – Inactive Continued on next page JOHNSON CONTROLS...
  • Page 97 Turns Tuesday On / Off for Schedule 16: TUESDAYSCHED16 1040 1 = On – Active 0 = Off – Inactive Turns Tuesday On / Off for Schedule 2: TUESDAYSCHED2 1 = On – Active 0 = Off – Inactive Continued on next page JOHNSON CONTROLS...
  • Page 98 Enables the Use of a Supply Fan VFD Communicated Input: VFD Sp by BAS En 15013 1 = Enabled 0 = Disabled Only with VAV or VFDMod Supply Fan VFD Speed 0 -100 16112 FlexSys Continued on next page JOHNSON CONTROLS...
  • Page 99 Output to the Pump: VLPmpOut 15603 1 = On – Active 0 = Off Inactive Status of the Binary Value of the VAV Fan Output: VLVAVEn 15602 1 = On – Active 0 = Off – Inactive Continued on next page JOHNSON CONTROLS...
  • Page 100 Turns Wednesday On / Off for Schedule 16: WEDNSDAYSCHED16 1041 1 = On – Active 0 = Off – Inactive Turns Wednesday On / Off for Schedule 2: WEDNSDAYSCHED2 1 = On – Active 0 = Off – Inactive Continued on next page JOHNSON CONTROLS...
  • Page 101 1 = On – Active 0 = Off – Inactive Turns Wednesday On / Off for Schedule 9: WEDNSDAYSCHED9 1 = On – Active 0 = Off – Inactive * DO NOT CHANGE FROM FACTORY SETTING + LEAVE IN AUTOMATIC MODE JOHNSON CONTROLS...

  • Page 102: Table 19 - N2 Points List

    DUCT STATIC 1 INPUT AI16 0 – 2 INC WC 16102 ONLY WITH VAV OR FLEXSYS DUCT STAT 2 DUCT STATIC 2 INPUT AI17 0 – 2 INC WC 16103 ONLY WITH VAV OR FLEXSYS Continued on next page JOHNSON CONTROLS...
  • Page 103 OPEN THE VAV BOXES BO30 11005 1 = ACTIVE 0 = INACTIVE STATUS OF THE BINARY OUTPUT TO COMPA EN COMP A BO31 11006 1 = ON – ACTIVE 0 = OFF – INACTIVE Continued on next page JOHNSON CONTROLS...
  • Page 104 WATER BYPASS/ AIR SIDE VALVE IN % OR ECONOMIZER OUTDOOR AIR DAMPER VOLTAGE OUTPUT TO ONLY WITH AIR SIDE THE ECONOMIZER E/W MOD AO42 0 – 10 VOLTS 14004 ECONOMIZER/ MODULATING WATER VALVE OR HEAT MODULATING HEAT Continued on next page JOHNSON CONTROLS...
  • Page 105 16013 ONLY WITH VAV OR FLEXSYS SET POINT AI = ANALOG INPUT BI = BINARY INPUT AO = ANALOG OUTPUT BO = BINARY OUTPUT ADF = ANALOG DATA FLOAT ADI = ANALOG DATA INTEGER BYT = DATA BYTE JOHNSON CONTROLS...
  • Page 106 FORM 145.05-NOM1 (708) THIS PAGE INTENTIONALLY LEFT BLANK JOHNSON CONTROLS...

  • Page 107: Table 20 - Definitions

    B/P DAMPER MOD This is the analog output to the by-pass damper (FlexSys units only). BOX OPEN This item is used to force the normally OPEN contacts used to open the VAV boxes to CLOSE. Continued on next page JOHNSON CONTROLS...
  • Page 108 This indicates if the binary input from the OFF contact of the ON/OFF/AUTO switch is energized or not. DDC ON SWITCH This indicates if the binary input from the ON contact of the ON/OFF/AUTO switch is energized or not. Continued on next page JOHNSON CONTROLS...
  • Page 109 This gives the status of the freeze-stat. ON indicates normal operation, OFF indicates a fault. HEAT MOD This is the analog output to the modulating heat hydronic valve. HEAT -R/A TMP EN This item is used to enable and disable heating Return Air Temperature Control. Continued on next page JOHNSON CONTROLS...
  • Page 110 This is the Status Screen display when the blower is operating but there is no demand for cooling, heating, or economizer operation. OUT WATER TEMP The temperature of the water leaving the condensing heat exchanger. Continued on next page JOHNSON CONTROLS...
  • Page 111 This item identifies the supply fan speed being sent by a BAS system (FlexSys units only). VFD SPEED This item is used to force an analog output to the supply fan VFD. WATER ECON EN This item is used to enable or disable water side economizer. JOHNSON CONTROLS...
  • Page 112 FORM 145.05-NOM1 (708) THIS PAGE INTENTIONALLY LEFT BLANK JOHNSON CONTROLS...

  • Page 113: Table 21 - Temperature Sensor Resistance

    4 compressor units. There 0.125 12.0 may be one or two transducers depending on how the unit was ordered. The purpose of the transducer is to sense and convert the static pressure in the supply-side JOHNSON CONTROLS...

  • Page 114: Table 24 - Coil Pressure Drop (Flexsys)

    User Interface. The discharge transducer has a range of 0 to 400 psig, with a linear output of 0 to 5 DC volts. Table 25 illustrates the DC volt output from the transducer for a given discharge pressure. JOHNSON CONTROLS...

  • Page 115: Table 26 - Humidity Sensor Output

    Press the right arrow key > until the display Compressor C – IN-6 terminals 11 and 12 shows [Faults] and press ENTER, use the right Compressor D – IN-8 terminals 15 and 16 arrow key > to scroll down to “Off – On Resets”. JOHNSON CONTROLS...
  • Page 116 As soon as the Duct Static High Pressure control will initiate a “Fan Failure Alarm” and switch closes, the unit will return to the start up mode locks out the operation of the unit. and go into normal operation. The control maintains JOHNSON CONTROLS...
  • Page 117 “Freeze”. The display will tell you Off or On sors. and # Trips. If the accumulated fault count reaches five, the control will declare a “Freeze Alarm”. The control • Energizes the output to the condenser water will then lockout the operation of the unit. pump. JOHNSON CONTROLS...

  • Page 118: Fig. 7 - Main Control Board Pin Positions

    UNIVERSAL INPUT UNIVERSAL INPUT MODE SELECT GRIP HERE MODE SELECT INCORRECT * 0-5VDC * 0-20mA LD12427 * - Verify the connections on the jumper run horizontal as shown, FIG. 7 – MAIN CONTROL BOARD PIN POSITIONS not vertical. JOHNSON CONTROLS...

  • Page 119: Fig. 8 - Auxiliary Control Board Pin Positions

    The pin positions for each configuration are shown in Fig. 8. FIG. 10 – AUXILIARY CONTROL BOARD THERMISTOR / 0 - 5 VDC DRY-CONTACT LD12428 FIG. 8 – AUXILIARY CONTROL BOARD PIN POSITIONS FIG. 9 – MAIN CONTROL BOARD JOHNSON CONTROLS...

  • Page 120: Table 27 - Constant Volume / Variable Air Volume Main Control Board

    FAN START DRY CONTACT DO-6 BINARY INPUT PUMP START DRY CONTACT * Check the wiring diagram in the unit for the exact location of the input and outputs as they may change based on the configuration of the unit. JOHNSON CONTROLS...

  • Page 121: Table 28 - Constant Volume / Variable Air Volume Expansion Control Board

    STAGE HEAT 1ST STAGE / TRI STATE HEAT CLOSED DRY CONTACT * Check the wiring diagram in the unit for the exact location of the input and outputs as they may change based on the configuration of the unit. JOHNSON CONTROLS...

  • Page 122: Table 29 - Flexsys Main Control Board

    FAN START DRY CONTACT DO-6 BINARY INPUT PUMP START DRY CONTACT * Check the wiring diagram in the unit for the exact location of the input and outputs as they may change based on the configuration of the unit. JOHNSON CONTROLS...

  • Page 123: Table 30 - Flexsys Expansion Control Board

    STAGE HEAT 1ST STAGE / TRI STATE HEAT CLOSED DRY CONTACT * Check the wiring diagram in the unit for the exact location of the input and outputs as they may change based on the configuration of the unit. JOHNSON CONTROLS...

  • Page 124: Fig. 11 - Elementary Control Wiring Diagram, Ywsu- All Options

    Service FORM 145.05-NOM1 708) WIRING DIAGRAMS Constant Volume, Variable Air Volume LD13131 FIG. 11 – ELEMENTARY CONTROL WIRING DIAGRAM, YWSU- ALL OPTIONS JOHNSON CONTROLS...

  • Page 125: Fig. 12 - Elementary Control Wiring Diagram, Yswu

    FORM 145.05-NOM1 (708) CV, VAV, FlexSys LD13132 FIG. 12 – ELEMENTARY CONTROL WIRING DIAGRAM, YSWU JOHNSON CONTROLS...

  • Page 126: Fig. 13 - Elementary Power Wiring Diagram, Yswu

    Service FORM 145.05-NOM1 708) CV, VAV, FlexSys LD13133 FIG. 13 – ELEMENTARY POWER WIRING DIAGRAM, YSWU JOHNSON CONTROLS...

  • Page 127: Fig. 14 - Elementary Control Wiring Diagram, Yswu Downflow

    FORM 145.05-NOM1 (708) FlexSys LD13142 FIG. 14 – ELEMENTARY CONTROL WIRING DIAGRAM, YSWU DOWNFLOW JOHNSON CONTROLS...
  • Page 128 ©2008 Johnson Controls, Inc. P.O. Box 423, Milwaukee, WI 53203 Printed in USA 145.05-NOM1 (708) www.johnsoncontrols.com Supersedes 145.05-NM1 (1107)

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