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YORK INTERNATIONAL

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FORM 100.50-NOM1 (604)

Service

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ELEMENTARY DIAGRAM

ELECTRIC HEAT CONTROLS

50-90 TON

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CTB3

ELECTRIC HEAT MOD.

Содержание ECO2 YPAL 050

Страница 1: ...INSTALLATION OPERATION MAINTENANCE PACKAGED ROOFTOP AIR CONDITIONING UNITS Supersedes Form 100 50 NOM1 502 Form 100 50 NOM1 604 50 THROUGH 105 TONS R 407C AND R 22 DESIGN LEVEL C 00566VIP...

Страница 2: ...materials This individual will also be familiar with and comply with all applicable governmental standards and regulations pertaining to the task in question SAFETY SYMBOLS The following symbols are u...

Страница 3: ...hould verify with the owner whether the equipment has been modi ed and if current literature is available 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 BASE PRODUCT TYPE NOMINAL CAPACITY APPLICATION REFRIGER...

Страница 4: ...ods For Exhaust Air 25 Field Wiring 25 Evaporator Coil Face Damper 26 Return Air Bypass Damper 26 Roof Link 27 Bacnet and Lon Network Communication 27 Dirty Filter Switch 27 CTB2 29 Power Wiring 30 El...

Страница 5: ...Compressor Operating Controls 81 Refrigerant Safety Operation 82 Flexsys VAV Operation 82 SECTION 6 MENU NAVIGATION AND DISPLAY DESCRIPTIONS OptiLogic Control Center 85 Navigating The Menus 85 History...

Страница 6: ...Up 51 Table 13 VAV Four or Six Compressor Logic Staging Down 52 Table 14 Timeouts and Delays 53 Table 15 Staged Heating Steps 54 Table 16 Modes of Operation 57 LIST OF TABLES LIST OF FIGURES Fig 1 Pac...

Страница 7: ...ency Drive hw Hot Water w1 Thermostat Input For The First Stage of Heating mit Modular Integrated Terminal w2 Thermostat Input For The Second Stage of Heating mitd MIT Bypass Damper oa Outdoor Air y1...

Страница 8: ...air is in the build ing A myriad of air ow measurement options are available from minimum air ow to high accuracy ECOLOGICAL AND ECONOMICAL DESIGN First packaged RTU with 407C optimized design Cooling...

Страница 9: ...and precision machining also ensure that smooth compression occurs in all involute pockets simultaneously When compression forces are equally distributed over the entire scroll surface equal forces in...

Страница 10: ...fan damper By varying the speed of the condenser fan better control and quieter operation is obtained during the colder months Low ambient controls are available on all systems offering higher roofto...

Страница 11: ...ef valves HP cut out settings design working pressures and venti lation requirements consistent with the amount and type of refrigerant charge Lethal voltages exist within the control panels Before se...

Страница 12: ...der bars and cables should be used when rigging see Figure 2 It is also mandatory that an experienced and reliable rigger be selected to handle unloading and nal placement of the equipment The FIG 3 U...

Страница 13: ...162 162 162 162 162 750 MBH Gas Heat 324 324 324 324 324 1050 MBH Gas Heat NA NA NA NA 486 40 kW 415 3 60 or 40 kW 480 3 60 2 Steps Electric Heat 410 410 410 410 NA 80 kW 208 3 60 or 108 kW 240 3 60 5...

Страница 14: ...x cfm 0 20000 0 20000 0 20000 0 20000 0 27000 Static Pressure Range min to max ESP 0 1 0 1 0 1 0 1 0 1 Optional Exhaust Fan Quantity Fans Motors 2 1 2 1 2 1 2 1 2 1 Type FC FC FC FC FC Size 18 18 18 1...

Страница 15: ...20 25X16 25x20 25X16 25x20 25X16 25x20 Total Filter Face Area square feet 63 9 63 9 63 9 63 9 77 1 Filters 12 rigid 65 2 30 prefilter pre filter position Quantity 1 4 9 1 4 9 1 4 9 1 4 9 2 8 9 Size le...

Страница 16: ...Range min to max cfm 8 250 27 000 11 150 27 000 8 250 36 000 Electric Heaters Size Range min to max kW 40 150 40 150 40 150 40 150 80 200 Heating steps1 2 7 2 7 2 7 2 7 2 7 Minimum OA Temp for Mech Ci...

Страница 17: ...62 750 MBH Gas Heat 324 324 324 324 324 324 1050 MBH Gas Heat 486 486 486 486 486 486 40 kW 415 3 60 or 40 kW 480 3 60 2 Steps Electric Heat NA NA NA NA NA NA 80 kW 208 3 60 or 108 kW 240 3 60 5 Steps...

Страница 18: ...20000 0 20000 0 20000 0 20000 0 27000 Static Pressure Range min to max ESP 0 1 0 1 0 1 0 1 0 1 0 1 Optional Exhaust Fan Quantity Fans Motors 2 1 2 1 2 1 2 1 2 1 2 1 Type FC FC FC FC FC FC Size 20 18 2...

Страница 19: ...25X16 25x20 25X16 25x20 25X16 25x20 25X16 25x20 25X16 25x20 Total Filter Face Area square feet 77 1 77 1 77 1 92 5 92 5 92 5 Filters 12 rigid 65 2 30 prefilter pre filter position Quantity 2 8 9 2 8 9...

Страница 20: ...Furnace Staged Furnace Sizes input output stages 375 mbh 300 mbh 2 stages 750 mbh 600 mbh 4 stages 1125 mbh 900 mbh 6 stages Gas Pressure Range min to max iwg 3 14 w c Airflow Range min to max cfm 6 9...

Страница 21: ...15 2 13 4 6 7 5 4 7 5 24 8 20 4 10 2 8 2 10 29 5 28 4 14 2 11 4 15 43 7 38 8 19 4 15 5 20 60 0 48 0 24 0 19 1 25 73 0 60 0 30 0 24 2 30 87 0 74 0 37 0 29 6 40 113 0 94 0 47 0 38 0 50 140 0 118 0 59 0...

Страница 22: ...40 8 350 20 4 158 16 3 125 4 ZR19M3 55 2 425 51 5 425 25 8 187 20 6 148 105 6 ZR19M3 46 9 350 40 8 350 20 4 158 16 3 125 TABLE 3 ELECTRICAL DATA CONT COMPRESSOR DATA R 407C MODEL COMPRESSOR NOMINAL VO...

Страница 23: ...70 75 80 85 90 95 Design Airflow Limits CFM min to max 10000 22500 12000 24000 14000 27000 14000 27000 14000 32000 14000 32000 14000 32000 14000 32000 18000 36000 18000 36000 Entering Wet Bulb Temp F...

Страница 24: ...ir rushing back through the drainpipe will cause the condensate to build up in the drain pan As the unit continues to operate the accumulated water will be carried with the air stream over lling the d...

Страница 25: ...Sensor The space sensor if used can be used on either CV or VAV units The space sensor can be used for unit control in lieu of a thermostat Even if a thermostat is wired to the rooftop unit the space...

Страница 26: ...draw of 20VA If the power requirements of the VAV boxes exceed this amount isolation relays must be field supplied and installed to prevent overloading the unit con troller power supply EVAPORATOR COI...

Страница 27: ...rnet Protocol Ethernet BACnet MSTP RS485 and LON These options require the appli cation of an additional communication board to the Primary Unit Controller See Figure 6 DIRTY FILTER SWITCH On units wi...

Страница 28: ...15V 15V 15V 15V 15V 15V 15V AO AO C OC OC G P R X XD XD R Y1 Y1 Y2 Y2 W1 W1 W2 W2 G OCC OCC SD SD P C 15V 15V 2AI1 2AI1 2AI1C 2AI1C 2AI2 2AI2 2AI2C 2AI2C 2AI3 2AI3 2AI3C 2AI3C 2AI4 2AI4 2AI4C 2AI4C 2...

Страница 29: ...ISPLAY DISPLAY LANGUAGE KIT LANGUAGE KIT KEYPAD DISPLAY PANEL KEYPAD DISPLAY PANEL 15V 15V 15V 15V 15V 15V 15V 15V AO AO C OC OC G P R X XD XD R Y1 Y1 Y2 Y2 W1 W1 W2 W2 G OCC OCC SD SD P C 15V 15V 2AI...

Страница 30: ...eld different MCA minimumcircuitampacity andMOP maximum overcurrent protection MCA and Overcurrent Pro tection Device Data is supplied on the unit data plate Also refer to Table 3 Electrical Data The...

Страница 31: ...E C Section 440 34 4 Maximum Dual Element Fuse size is based on U L Standard 1995 Section 36 15 N E C Section 440 22 5 Use copper conductors only 6 On units with an optional disconnect switch the sup...

Страница 32: ...d 1995 Section 36 14 N E C Section 440 34 4 Maximum Dual Element Fuse size is based on U L Standard 1995 Section 36 15 N E C Section 440 22 5 Use copper conductors only 6 On units with an optional dis...

Страница 33: ...Fuse size is based on U L Standard 1995 Section 36 15 N E C Section 440 22 5 Use copper conductors only 6 On units with an optional disconnect switch the supplied disconnect switch is a Disconnecting...

Страница 34: ...ust be routed to the location in the building or ductwork where a con stant pressure is desired Both the duct static transducer VAV only and optional building pressure transducer are mounted behind th...

Страница 35: ...ounted air handling units generate some sound and vibration that may or may not require some special treatment of the air conditioned space The noise generated by the air handling unit is dependent on...

Страница 36: ...requirement can lead to compressor damage and voiding of the compressor warranty CHECKING THE SYSTEM PRIOR TO INITIAL START NO POWER Unit Checks 1 Inspect the unit for shipping or installation dam age...

Страница 37: ...ump in one direction Therefore it is nec essary to verify proper rotation at unit start up Op eration of the compressor in the reverse direction will not produce any capacity and cause the compressor...

Страница 38: ...s composition constantly changes between bubble point and dew point Because of this only liquid refrigerant should be used when adding charge to the unit The only exception would be if the entire cont...

Страница 39: ...9 102 201 8 104 207 7 106 213 8 108 220 0 110 226 4 112 232 8 114 239 4 116 246 1 118 252 9 120 259 9 122 267 0 124 274 3 126 281 6 128 289 1 130 296 8 132 304 6 134 321 5 136 320 6 138 328 3 140 337...

Страница 40: ...90 99 22 8 4 195 91 101 24 6 6 200 93 102 26 3 9 205 95 104 28 1 11 210 96 105 30 1 13 215 98 107 32 3 15 220 99 108 34 5 17 225 101 110 36 7 19 230 102 111 38 9 21 235 104 113 40 11 23 240 105 114 4...

Страница 41: ...s Verify the evaporator distributor tubes do not have bare copper touching each other or are against a sheet metal edge If you are leak checking a unit charged with R 407C make sure the leak test devi...

Страница 42: ...d there will be a 30 sec ond purge period the igniter will again energize and gas valve will open for 7 secs there will be 3 tries for ignition after 3 tries the control will lock out The control will...

Страница 43: ...43 YORK INTERNATIONAL 3 FORM 100 50 NOM1 604 THIS PAGE LEFT BLANK INTENTIONALLY...

Страница 44: ...system If this occurs an oil sample should be taken and analyzed If con taminations are present the system must be cleaned to prevent compressor failure This can be accomplished through the installat...

Страница 45: ...e replaced Entire Unit Inspection In addition to the checks listed in this section periodic overall inspections of the unit should be accomplished to ensure proper equipment operation Items such as lo...

Страница 46: ...or overload blower and motor bearings shortening their life expectancy A belt ten sioned too tightly can overload the motor electrical causing nuisance tripping of the motor overloads and or motor fai...

Страница 47: ...f the rotating assembly Proceed with the following steps 1 Disconnect all duct work or guards attached to the blower housing to permit unobstructed access 2 Remove the cut off plate attached at the di...

Страница 48: ...ting Details 1 Check the shaft it should be straight free of burrs and full size Be sure the bearing is not seated on a worn section of shafting 2 Make certain any set screws are not obstructing the b...

Страница 49: ...Type An eccentric self locking collar is turned and driven with a punch in the direction of shaft rotation to lock the bearing inner ring to the shaft See Figure 18 When the eccentric collar is engag...

Страница 50: ...ement of locking collar and tightness of set screw s When replacing split bearings refer to manufacturer s instruction provided with the bearing It is extremely important to ensure that proper radial...

Страница 51: ...started TABLE 10 FOUR OR SIX COMPRESSOR LOGIC STAGING UP 5 Stage Logic 1 Compressor 1A or 1B with shortest totalized run time and expired ASCD 2 Other compressor from System 1 Wait for ASCD to expire...

Страница 52: ...or electric heat the Supply Fan will continue to run until the SAT is less than 100 F CV Operation For CV operation The Supply Fan will be ON whenever the G input from the Thermostat is present The Su...

Страница 53: ...all functions unless an exception for a speci c func tion is speci ed 5 TABLE 14 TIMEOUTS AND DELAYS ASCD Anti Short Cycle Delay Number Timeout or Delay Description 1 ASCD for cooling This minimum OF...

Страница 54: ...must also be con gured for the number of stages The Hot Water and Steam options use a modulating valve that varies the heating capacity based on the load A Modulating Gas Heat option is also available...

Страница 55: ...rted based on the calculation method in Figure 22 PI gain values are to be determined by such that all compressors are on within 28 minutes with a 10 F space temperature error or 42 minutes for a 6 co...

Страница 56: ...either the Unoccupied Heating Setpoint or the Occupied Heating Setpoint based on the Occupied Unoccupied state of the unit i e Occ Unocc Input or Internal Scheduling FIG 24 CV SPACE SENSOR STEPPED HE...

Страница 57: ...supply fan setting of the parameter Fan ON mode with the Sensor Option determines if the supply fan is ON continuously or is in Auto mode i e goes off when space is satisfied Economizer damper at pro...

Страница 58: ...scribed in the following sections The SATcontrol algorithm for cooling is described in the following sections The Supply Fan is Controlled as described in the Fan Controlled to maintain the Duct Stati...

Страница 59: ...pace Sensor function For hydronic heating The SAT is controlled to the 2nd Stage Hydronic Heat Setpoint The Heat 1 output of the controller is set to control HIGH during heating Occupied Cooling With...

Страница 60: ...ion or Economizer Opera tion when economizer is not suitable is as described in Figure 29 LD06559 LD06560 Compressors staged OFF ON OFF Compressors staged ON VAV Control Offset Selected SAT Setpoint V...

Страница 61: ...d with electric gas steam or hydronic heat Heat Enable ON Economizer Enable ON Conditions are suitable for Economizer operation Supply Air Tempering Enable ON All compressors OFF Supply Air Tempering...

Страница 62: ...ce Sensor Control algorithm is same as for Morning WarmUp cycle RAT is controlled to a programmed setpoint w 2 F deadband when space temperature drops 2 F below VAV setpoint for SAT reset During heati...

Страница 63: ...ll be used The 10 F offset represents the high est outdoor air temperature that the DX cooling can reliably reduce to the SAT setpoint Outside Enthalpy Method Economizer will be suitable when OA Entha...

Страница 64: ...e when the SATsetpoint is set very close to or even below the temperature set for Cooling Lockout on OAT a relatively unusual case If the OAT then increases above the Cooling Lockout on OAT parameter...

Страница 65: ...ll be used to ensure that the air ow sensor or sensors are calibrated at zero air ow The Altitude setting of the unit s location will be used to provide ad ditional measurement accuracy Calibration pa...

Страница 66: ...anged Normally Open 0V Open 10V Closed See Figure 32 Sequence of Operation AREA AND K FACTOR When an Air Measuring Station is installed from the factory the following parameters should be set at the f...

Страница 67: ...1 outdoor air to maintain the Minimum Flow Setpoint When the Minimum Flow Setpoint cannot be achieved with Damper 3 Return Air Damper 100 open the RA Damper will be modulated closed so that the Minim...

Страница 68: ...Damper 2 is continuously closed for 5 minutes The following gure illustrates the control functions FIG 34 MINIMUM FLOW MEASUREMENT OPTION ECONOMIZER SEQUENCE Full Flow Measurement If the Con guration...

Страница 69: ...M OA Air Flow CFM 0 CFM LD06567 Control Range for Economizer Operation Open 100 OA Damper Position Closed 0 Min Outside Airflow OA Flow CFM Position to Meet OA Setpoint LD06568 Demand Ventilation Dema...

Страница 70: ...lowing constraints The maximum OA Damper position called for by De mand Ventilation operation will be equal to the Max DV Multiplier OA Damper Min Pos 1 The Max DV Multiplier parameter can be set for...

Страница 71: ...mary Unit Controller will read the condensing pressure perform the control logic and command the MOD UNT to increase or decrease the output to the VFD as required The following gure illustrates the co...

Страница 72: ...failure of the N2 communication with the MOD UNT a fault will be generated and mechanical refrigeration below the Low Ambient Lockout Temperature will not be allowed The MOD UNT will continue to opera...

Страница 73: ...e Building Pressure reaches or exceeds the Building Pressure setting plus the Exhaust Cntrl Offset the Primary Unit Controller will energize the constant volume Exhaust Fan The Exhaust Fan will remain...

Страница 74: ...VFD exhaust fan will still be turn On Off based on the programmed position of the exhaust damper even though a damper is not installed but once the VFD ex haust fan is on it will vary its speed and ai...

Страница 75: ...TILATION OPERATION Comfort Ventilation is applicable in CV Constant Vol ume unit con gurations where Space temperature is sensed through a Thermostat or Space Sensor Economizer is installed Comfort Ve...

Страница 76: ...ort Vent High SAT setpoint If the SAT decreases below the Comfort Vent Low SAT setpoint for more than 5 minutes If cooling is ON destage a compressor At 5 minute intervals repeat this test until all c...

Страница 77: ...rn to normal operation RETURN FAN OPERATION The following is an explanation of the different modes of operation for the return fan option No Outdoor Air 100 Return Air VFD Supply Air Fan No Exhaust Th...

Страница 78: ...rences and Limits in the VFD program Refer to Installation Operation Maintenance Form 100 40 N04 for additional information The supply air VFD is controlled by the duct static transducer The supply ai...

Страница 79: ...supply air ow rates The supply air VFD is controlled by the duct static transducer The supply air blower and return air fan will always be energized together As the pressure in the return air section...

Страница 80: ...always modulate to full re before any additional stages can be brought on When additional stages are required the modulating heat section will go to minimum re and the next stage of heating will be br...

Страница 81: ...PERATING CONTROLS The following information describes the sequence of operation for the compressor unit control components The information below describes System 1A and 1B compressor operation This sa...

Страница 82: ...rs shall start at zero Counter 1 shall Increment by 1 any time a trip occurs when either one or two compressors on the tripped compressor system are on Be reset to zero counts if the compressor system...

Страница 83: ...ed to reset the supply air temperature A modulating damper is used to vary the amount of Return Air By passed from the Return air Duct to the fan section of the rooftop unit The damper is direct actin...

Страница 84: ...arted or stopped Immediately after a compressor is started and stopped the By pass Damper will be xed by the Primary Unit Controller The Primary Unit Controller will not open or close the By pass Damp...

Страница 85: ...nctionkeys mentionedinthepreviousparagraphs allow the user to jump directly to the associated menu items without scrolling through every menu display HISTORY MENU NAVIGATION The OptiLogic Control Pane...

Страница 86: ...ve been detected TROUBLE a fault that does not cause unit shut down has been detected ALARM a fault that causes the unit to be shut down has been detected Refer to the section on Service and Troublesh...

Страница 87: ...Status ON OFF Line 4 Cntrl Output XXX Line 2 Comp System X Line 3 Status NORMAL SAFETY TRIP Line 4 Comps ON A B BOTH NONE Display 7 repeats for compressor systems 2 and 3 If the unit is a 4 stage 2 sy...

Страница 88: ...s are suitable Inactive Economizer operation enabled and conditions are not suitable Line 2 Ventilation System Line 3 Type Show Current Con guration Line 4 Status Unocc OFF Occ ON N A Fault Line 3 dis...

Страница 89: ...Operation Data group of display items will give the user access to the units current operating pa rameters The Operation Data group of display items is view only and will require no password Starting...

Страница 90: ...lFlow 21210 CFM Setpt 20000 OPERATION DATA Demand Ventilation Sensor XXXX ppm Setpt XXXX ppm Line 2 Space Temperature Line 3 Temp XX X F 0 0 Line 4 Setpt XX X F 0 0 Line 2 Building Pressure Line 3 Pre...

Страница 91: ...r Active Byp XXX Byp Setpt XXX OPERATION DATA Roo ink Status Active Smoke Purge Mode 0 Line 2 Flexsys Supply Temp Line 3 Temp XX X oF 0 0 Line 4 Setpt XX X o F Line 2 Flex RH XXX 0 0 Line 3 Dewpoint X...

Страница 92: ...ND OPTIONS This format will list the setpoint description on Line 2 with Setpoint XXXX on Line 3 Line 4 is always blank except for Flexsys UNIT SETUP NAVIGATION The Unit Setup key moves the display to...

Страница 93: ...ed in sequence and explained in the sec tion PARAMETER DESCRIPTIONAND OPTIONS SETPOINTS This format will list the Unit Setup Display Group on Line 2 with Description on Line 3 Line 4 displays setting...

Страница 94: ...viewed changed The table below illustrates the four subgroups under Con guration CONFIGURATION Heat Cool System Freezestat Setting OFF Pressing the Change Enter key at any of these days will prompt t...

Страница 95: ...han the other compressors Four six compressor starts Supply and exhaust fan runtimes can be set to zero but cannot be reset to a speci c value When the service key is pressed the following is displaye...

Страница 96: ...Safety Chain 1 2 3 Line 3 Status Tripped NORMAL Line 4 Blank This display shows the entry made by the Air Balancer if a manual air balance is done Line 2 AMS 1 Line 3 Balancer Calculated Line 4 Air o...

Страница 97: ...the air ow balancer s calibration of theAir ow Measurement Sta tion 1 A default value will be shown whether or not this function is used Editing the value requires the entry of a password of the appr...

Страница 98: ...line 2 Display Line 3 display shows the following see Service section for fault response details None No fault is recorder for History XX Alarm Afault has been detected that results in the unit shutti...

Страница 99: ...Fault Trouble OA Flow Sensor Fault Trouble OAH Sensor Fault Trouble OAT Sensor Fault Trouble RA Byp Filter Fault Trouble RAH Sensor Fault Trouble RAT Sensor Fault Trouble SensConsist Fault 1 Trouble...

Страница 100: ...rst stage cooling The control will also maintain this SAT when operating in the VAV stand alone mode with the economizer active If OA SAT Reset is enabled and the outdoor tempera ture is below the VAV...

Страница 101: ...e Hydro Heat 2nd Stage When the Hydronic Heat or Modulating Gas Heat option is enabled the control will maintain this SAT setpoint during a call for second stage Heating by modulating the Hot Water Va...

Страница 102: ...ace Sensor use or The Space Sensor fails If the Space Sensor fails the control will use the RAT sensor as a backup if available If the sensor is not connected or fails a fault will be set The fault ca...

Страница 103: ...moving toward the Setpoint the timer is set to zero Low Ambient Operate When this parameter is ON the control will apply Low Ambient Operation when the outside air temperature meets the speci ed cond...

Страница 104: ...OA SAT Reset This setting will tell the control to reset the SAT setpoint on VAV units based on the Outside Air tem perature instead of Space temperature Outside Air SAT reset will only be allowed wh...

Страница 105: ...d the network can be pro grammed to share the OAT and OAH sensed values with other controllers connected to the network or to receive these values from the network RAH Sensor Enable This tells the con...

Страница 106: ...Altitude is the altitude of the unit above sea level This value is used only when an Air Measurement Station is installed and Outdoor Air ow Control is enabled The altitude value is to be entered with...

Страница 107: ...k plus a holiday schedule One start and stop time is allowed Holiday Schedule Holiday dates are entered into the Holiday Schedule for use in time programmed operation Up to 16 dates are allowed Dates...

Страница 108: ...stalled on system 1 and system 2 3 indicates that a pressure transducer package is installed on system 1 2 and 3 The purpose of this setting is for establishing a fault status This setting will tell t...

Страница 109: ...s setting is pro portional control based on building pressure and modulates either a discharge damper on a single speed exhaust fan or modulates a Variable Fre quency Drive VFD on a variable speed exh...

Страница 110: ...ot installed SERVICE KEY PARAMETERS These parameters are normally view only but can be accessed by service personnel to make changes to run timers such as would be the case if a compressor or fan moto...

Страница 111: ...ayed on the top line Now pressing the NEXT key advances from the Unoccupied Heating Setpoint to the Unoccupied Cooling Setpoint and will result in the display shown below When the CHANGE ENTER key is...

Страница 112: ...display window will show the level of password required and 5555 as place holders for the password to be entered The cursor will be on the left most 5 The password will be entered by moving the curso...

Страница 113: ...t Config 0 0 3 Configuration 20 Economizer Installed NO YES NO Configuration 21 Airflow Meas Config None None Full Minimum 1 4 3 4 Configuration 22 AMS 1 Area sq ft 3 33 0 00 24 00 Configuration 23 AM...

Страница 114: ...me min 60 min 0 240 min Unit Setup 64 Space Setpt Offset F 3 F 0 5 F Unit Setup 65 Fan ON With Sensor ON ON or OFF Unit Setup 66 RAT Sensor Enable OFF ON or OFF Unit Setup 67 Space Temp Alrm Diff F 5...

Страница 115: ...Multiplier 1 25 2 Jan Unit Setup 103 Altitude Ft 1000 0 10000 Ft Unit Setup 104 Morning Warm Up OFF ON or OFF Unit Setup 105 Max Warm Up Time min 120 min 0 240 min Unit Setup 106 Pre Occupancy Purge O...

Страница 116: ...on designated by J and the pin number located on the inside of the board diagram The input or output designations are shown on the outside of the gure Table 32 lists the description of the various inp...

Страница 117: ...4 5 6 7 8 9 1 2 3 4 5 6 1 2 3 4 5 6 7 8 9 P23 P139 P1 P2 P25 B I N A R Y I N P U T S BI 14 BI R BI 13 BI 12 BI R BI 11 BI 10 BI R BI 9 BI 8 BI R BI 7 BI 6 BI 5 BI 4 BI R BI 3 BI 2 BI R BI 1 24VAC COM...

Страница 118: ...E HE AT COOL S UPPLY FAN HE AT R E LAY OUTPUT E XHAUS T FAN C O R E LAY CHANGE OVE R 5TH S TAGE HE AT COOL LE D LE D LE D ALAR M LE D E THE R NE T POR T R S 232 POR T DIS PLAY POR T N2 POR T Display P...

Страница 119: ...h compressor circuit will be connected to the following binary inputs Compressor circuit 1 BI 1 Compressor circuit 2 BI 2 Compressor circuit 3 BI 3 High Pressure Switch settings are open 425 10 psig c...

Страница 120: ...terpret this input as follows Smoke purge required Smoke Purge 24VAC input present Smoke purge not required Smoke Purge 24VAC input not present When the Smoke Purge input has been continuously present...

Страница 121: ...he Freezestat input closes for 5 minutes HW hot water Thermostatic Switch Settings are open 35 4 2 close 47 4 2 Note This is an adjustable switch set 35 to 45 set at the factory to 35 F BI 15 Cool Hea...

Страница 122: ...be used by the control to monitor and respond to unit temperatures pressures enthalpy etc The connection layout for the IO inputs outputs is shown in the Primary Unit Controller connection map in Fig...

Страница 123: ...scharge pressure to a DC voltage The DC voltage is then sent to the unit controller where it can control head pressure with optional low ambient kit provide compressor unload ing and display discharge...

Страница 124: ...5 volts dc Table 26 illustrates the DC volt output from the trans ducer for a given discharge pressure Suction Pressure Transducer The optional suction pressure transducer is located in common suctio...

Страница 125: ...GE PRESSURE TRANSDUCER SYSTEM 3 OPTIONAL OUT COM EXC OUT COM EXC OUT COM EXC OUT COM EXC OUT COM EXC OUT COM EXC TO MOD DCU TB2 W55 W56 FIELD INSTALLED 2 1 5 3 4 W36 W23 W20 24O4 24O4C TO 2T XF MR FLE...

Страница 126: ...nation humidity temperature sensor has four terminals two for the hu midity sensor and two for the temperature sensor TABLE 29 HUMIDITY SENSOR OUTPUT Humidity Temperature Sensor Outside Return and Und...

Страница 127: ...gnal to the respective actua tor Table 33 shows the analog outputs designated as AO1 through AO6 and the respective function Note the outputs are speed reference signals to he supply fan VFD exhaust f...

Страница 128: ...DCU CONNECTION FUNCTION R 24 VAC from controller R 24 VAC from controller Y1 COOL 1 TSAO Analog voltage Y2 COOL 2 TSAO Analog voltage W1 HEAT 1 TSAO Analog voltage W2 HEAT 2 TSAO Analog voltage G Not...

Страница 129: ...AI 13 IK RTD 50 to 250 ALL Mixed Air Temperature AI14 IK RTD 50 to 250 FLEXYS Slab Temperature AI15 IK RTD 50 to 250 FLEXYS Underfloor Humidity AI16 0 10V 0 TO 100 FLEXYS Compressor Circuit 1 Status...

Страница 130: ...ng Stage 4 BO 4 ALL Cooling Heating Stage 5 BO 5 70 90 TON UNITS Cooling Heating Stage 6 BO 6 70 90 TON UNITS Cool Heat Changeover Relay BO 7 ALL Supply Fan BO 8 ALL Exhaust Fan BO 9 POWERED EXHAUST V...

Страница 131: ...liability according to the type of input connected and the range speci ed The controller monitors all AI inputs to determine if the value at the input is within an acceptable range These values are li...

Страница 132: ...ee Comp Safety Trips within one hour Cycle power on controller OR the corresponding Compressor Safety Trip Closes for 60 min 7 SAT Sensor Fault SAT sensor is not reliable SAT sensor is not reliable Op...

Страница 133: ...r greater than Cooling SAT Alarm setpoint AND all available compressors have been ON for 60 minutes SAT is less than the Cooling SAT Alarm setpoint Heating SAT Fault SAT is equal to or less than the H...

Страница 134: ...ntrol SAT to VAV High Temp Setpoint OAH Sensor Fault Unit programmed to read OAH sensor AND OAH sensor is not reliable Unit reprogrammed to disable OAH sensor OR OAH sensor is reliable OpData OA RH Op...

Страница 135: ...e second Both compressors in the system remain OFF until the specified Reset When conditions are met If any system locks out any other available systems may operate 8 Both compressors in the system tu...

Страница 136: ...SER FAN VFD REQUIRED ON CONDENSER FAN NO 2A WHEN UNIT IS EQUIPPED FOR LOW AMBIENT OPERATION WITH SYSTEM NO 2 9M OPTIONAL CONDENSER FAN WIRING CONDENSER FAN VFD REQUIRED ON CONDENSER FAN NO 1A WHEN UNI...

Страница 137: ...168 153 160 165 166 164 163 162 161 157 158 159 154 156 155 150 152 151 147 149 148 143 145 144 146 141 140 142 112 136 137 139 138 134 133 135 129 130 132 131 126 128 127 119 122 124 125 123 120 121...

Страница 138: ...AN WIRING CONDENSER FAN VFD REQUIRED ON CONDENSER FAN NO 2A WHEN UNIT IS EQUIPPED FOR LOW AMBIENT OPERATION WITH SYSTEM NO 2 9M OPTIONAL CONDENSER FAN WIRING CONDENSER FAN VFD REQUIRED ON CONDENSER FA...

Страница 139: ...60 165 166 164 163 162 161 157 158 159 154 156 155 150 152 151 147 149 148 143 145 144 146 141 140 142 112 136 137 139 138 134 133 135 129 130 132 131 126 128 127 119 122 124 125 123 120 121 117 118 1...

Страница 140: ...RATION WITH SYSTEM NO 1 7M R S T 3VFD V CONDENSER FAN NO 1A 1PTB 403 404 405 418 419 420 CONDENSER FAN NO 2A V 4VFD S T R 406 407 408 409 410 411 421 422 423 424 425 426 427 428 429 L1 A L2 A L3 A L1...

Страница 141: ...2FU 10M 9M 8M CONDENSER FAN NO 1B CONDENSER FAN NO 2A CONDENSER FAN NO 2B L1 B L2 B L3 B 428 429 427 L1 A L2 A L3 B L2 B L1 B L3 A 425 426 424 422 423 421 3M 4M 2M 1FU 1FU 7M 2CB 2OL CONDENSER FAN NO...

Страница 142: ...ENSER FAN NO 1A WHEN UNIT IS EQUIPPED FOR LOW AMBIENT OPERATION WITH SYSTEM NO 1 7M R S T 3VFD V CONDENSER FAN NO 1A 1PTB 403 404 405 418 419 420 CONDENSER FAN NO 2A CONDENSER FAN NO 3A V 4VFD S T R V...

Страница 143: ...61 157 158 159 154 156 155 150 152 151 147 149 148 143 145 144 146 141 140 142 112 136 137 139 138 134 133 135 129 130 132 131 126 128 127 119 122 124 125 123 120 121 117 118 116 113 115 114 105 109 1...

Страница 144: ...AND 1B RESPECTIVELY 1HPCO IS LOCATED ON DISCHARGE LINE BEHIND COMPRESSOR 1A 17M 16OL XOO OOX BYPASS VFD VFD BYPASS SW2 1 3 2 J50 CONNECTED TO J51 IN THE CONTROL BOX REFER TO LINE S 244 245 OFF 15M 16M...

Страница 145: ...EXHAUST FAN WIRING REFER TO LINE S 263 265 2 2 1HPCO 3 M 2 CM1 CM2 P41 COMPRESSOR MOTOR PROTECTOR WIRING FOR SYSTEM 1 CM1 AND CM2 ARE LOCATED IN COMPRESSORS 1A AND 1B RESPECTIVELY 1HPCO IS LOCATED ON...

Страница 146: ...1 6 7 8 8 7 6 5 4 3 2 1 8 7 6 5 4 3 2 1 4 3 1 9 7 6 1 2 7 J14 PRIMARY UNIT 6 4 3 1 6 7 9 15 VDC 15V A 15V B 15V C 15V A 15V B EXC OUT COM 100 COM 100 200 2COM COM ELEMENTARY DIAGRAM YPAL MOD C CLASS 2...

Страница 147: ...1 360 359 358 357 356 355 354 353 352 351 350 349 348 347 346 6C RJ25 CABLE OPTIONAL MOD UNT KIT P N 325 36143 001 REQUIRED FOR PRESSURE TRANSDUCER PACKAGE OPTION LOW 200 NEGATIVE PRESSURE SAFETY SWIT...

Страница 148: ...YPAL MOD C CLASS 2 CONTROL w RETURN FAN 50 65 TON 035 13474 111 REV B 1T 115V 24V CONTROL TRANSFORMER 100 VA CLASS 2 2T 115V 24V CONTROL TRANSFORMER 75 VA CLASS 2 SEC SEC PRI PRI 350 349 348 347 346...

Страница 149: ...ER FAN VFD SYSTEM NO 1 OPTIONAL EXC OUT COM EXC OUT COM EXC OUT COM EXC OUT COM W W2 W5 W6 W10 W11 W12 W15 W4 W8 W9 15VDC W26 4 SHIELD 373 372 37 370 369 368 367 366 365 364 363 362 36 360 359 358 357...

Страница 150: ...PRI 347 346 345 344 343 342 341 340 339 338 337 336 335 334 333 332 331 330 329 328 327 326 325 324 323 322 321 320 319 318 317 316 315 314 313 312 311 310 309 308 307 306 305 304 303 302 301 300 LEG...

Страница 151: ...AL CONDENSER FAN VFD SYSTEM NO 1 OPTIONAL EXC OUT COM EXC OUT COM EXC OUT COM EXC OUT COM W W2 W5 W6 W10 W11 W12 W15 W4 W8 W9 15VDC W26 4 SHIELD 373 372 37 370 369 368 367 366 365 364 363 362 36 360 3...

Страница 152: ...100 VA CLASS 2 2T 115V 24V CONTROL TRANSFORMER 75 VA CLASS 2 SEC SEC PRI PRI 345 344 343 342 341 340 339 338 337 336 335 334 333 332 331 330 329 328 327 326 325 324 323 322 321 320 319 318 317 316 315...

Страница 153: ...EM NO 1 OPTIONAL EXC OUT COM EXC OUT COM EXC OUT COM EXC OUT COM W W2 W5 W6 W10 W11 W12 W15 W4 W8 W9 W14 W18 15VDC W26 2 3 4 SHIELD 373 372 371 370 369 368 367 366 365 364 363 362 361 360 359 358 357...

Страница 154: ...1L2 1L3 X1 2 21 22 21 22 21 22 21 22 3 1 5 2 4 6 13 14 13 14 13 14 13 14 4T OPTIONAL CONVENIENCE OUTLET STEP DOWN TRANSFORMER PRIMARY FROM 9FU SECONDARY TO 10FU REFER TO TRANSFORMER FOR CONNECTION DET...

Страница 155: ...14 13 14 4T OPTIONAL CONVENIENCE OUTLET STEP DOWN TRANSFORMER PRIMARY FROM 9FU SECONDARY TO 10FU REFER TO TRANSFORMER FOR CONNECTION DETAIL OPT SUCT DIS PRESSURE TRANSDUCER PKGS TO 4T PRI NOTE 3 REFER...

Страница 156: ...N DETAIL 6T OPTIONAL GAS HEAT STEP DOWN TRANSFORMER PRIMARY FROM 14FU SECONDARY TO 13FU 1PTB OR 1DISC 1L1 1L1 1L2 1L3 1L2 1L3 TO 5FU FROM 4FU SECONDARY 3T PRIMARY P136 P134 P139 P23 P25 P130 P8 P26 P2...

Страница 157: ...ETAIL 6T OPTIONAL GAS HEAT STEP DOWN TRANSFORMER PRIMARY FROM 14FU SECONDARY TO 13FU 1PTB OR 1DISC 1L1 1L1 1L2 1L3 1L2 1L3 TO 5FU FROM 4FU SECONDARY 3T PRIMARY P136 P134 P139 P23 P25 P130 P8 P26 P275...

Страница 158: ...T FAN VFD 3 5 A A2 4 2 3 5 A A2 4 2 3 5 A A2 4 2 3 5 A A2 4 2 3 5 A A2 4 2 3 5 2 4 3 5 4 2 3 5 4 2 3 5 4 2 3 5 4 2 3 5 4 2 4 2 3 5 8FU 8FU A A2 A A2 A A2 TO LOW VOLTAGE CONTROLS TO LOW VOLTAGE CONTROL...

Страница 159: ...108 5 A 7FU 2 A2 3 14M 5 22 14 6 13 21 4 1L2 TO LOW VOLTAGE CONTROLS 1L3 PC 5 3 4 2 COM A2 TO EXHAUST FAN MOTOR TO SUPPLY FAN MOTOR 7FU A 2 115VAC POWER FOR CONTACTOR COIL PD 7FU 3 95 96 13OL 4 A2 3...

Страница 160: ...N VFD 3 5 A A2 4 2 3 5 A A2 4 2 3 5 A A2 4 2 3 5 A A2 4 2 3 5 A A2 4 2 3 5 2 4 3 5 4 2 3 5 4 2 3 5 4 2 3 5 4 2 3 5 4 2 4 2 3 5 8FU 8FU A A2 A A2 A A2 TO LOW VOLTAGE CONTROLS TO LOW VOLTAGE CONTROLS TO...

Страница 161: ...108 5 A 7FU 2 A2 3 14M 5 22 14 6 13 21 4 2L2 TO LOW VOLTAGE CONTROLS 2L3 PC 5 3 4 2 COM A2 TO EXHAUST FAN MOTOR TO SUPPLY FAN MOTOR 7FU A 2 115VAC POWER FOR CONTACTOR COIL PD 7FU 3 95 96 13OL 4 A2 3...

Страница 162: ...TO 4FU FROM 1PTB 1L1 1L2 1L3 8FU 8FU TO SUPPLY FAN VFD TO SUPPLY FAN VFD TO EXHAUST FAN MOTOR TO EXHAUST FAN VFD TO LOW VOLTAGE CONTROLS TO LOW VOLTAGE CONTROLS TO LOW VOLTAGE CONTROLS 115VAC POWER F...

Страница 163: ...4FU FROM 2PTB 2L1 2L2 2L3 8FU 8FU TO SUPPLY FAN VFD TO SUPPLY FAN VFD TO EXHAUST FAN MOTOR TO EXHAUST FAN VFD TO LOW VOLTAGE CONTROLS TO LOW VOLTAGE CONTROLS TO LOW VOLTAGE CONTROLS 115VAC POWER FOR...

Страница 164: ...2FU 1FU 2FU 1FU 4FU 4FU 1FU TO 7M TO 3T PRI TO 9M FROM 1PTB OR 1DISC 1L1 1L2 SUBPANEL FROM FAN 1L1 1L2 PD 1L1 1L3 1L2 1L3 FUSE STANDOFF PLATE UNITS W O GAS HEAT FUSE STANDOFF PLATE 200V AND 230V UNITS...

Страница 165: ...FROM 1PTB OR 1DISC 1L1 1L2 SUBPANEL FROM FAN 1L1 1L2 PD 1L1 1L3 1L2 1L3 FUSE STANDOFF PLATE UNITS W O GAS HEAT FUSE STANDOFF PLATE 200V AND 230V UNITS W GAS HEAT FUSE STANDOFF PLATE 380V 60 400V 50 4...

Страница 166: ...I TO 9M 1PTB FROM 1L1 1L2 SUBPANEL FROM FAN 2L1 2L2 PD 1L1 1L3 1L2 1L3 1PTB FROM FUSE STANDOFF PLATE UNITS W O GAS HEAT FUSE STANDOFF PLATE 200V AND 230V UNITS W GAS HEAT FUSE STANDOFF PLATE 380V 60 4...

Страница 167: ...1L2 SUBPANEL FROM FAN 2L1 2L2 PD 1L1 1L3 1L2 1L3 1PTB FROM FUSE STANDOFF PLATE UNITS W O GAS HEAT FUSE STANDOFF PLATE 200V AND 230V UNITS W GAS HEAT FUSE STANDOFF PLATE 380V 60 400V 50 460V AND 575V U...

Страница 168: ...R E FE R TO TR ANS FOR ME R FOR CONNE CTION DE TAIL 13FU 13FU GND 500 501 GND 4FU 4FU R E FE R TO LINE 25 28 R E FE R TO LINE 25 28 R E FE R TO LINE S 250 252 6THX 6TH1 OPTIONAL GAS HE AT POWE R WIR I...

Страница 169: ...COM LMT2 LMT1 COM L2 L1 A L1 B LOW HIGH CM STAT R18 20R 1 GVH 2GV H L COM 24V B LMT2 R1 R2 LMT1 24V A COM GVH NC S1 IGN COM COM FLAME SENSOR IGNITOR L1 B L1 A L2 JMPR LOW HIGH CM STAT R18 121 122 COM...

Страница 170: ...1 GVL A GVH GVL B 2GV H L COM 23R 1 GVL A GVH GVL B 3GV H L COM 24V B LMT2 R1 R2 LMT1 24V A COM GVH NC S1 IGN COM COM FLAME SENSOR IGNITOR L1 B L1 A L2 24V B R1 R2 LMT1 24V A COM GVH NC S1 IGN COM COM...

Страница 171: ...EAT POWER SIDE 50 60 TON SINGLE POINT POWER 1CB 1OL 1M 402 401 400 COMPRESSOR NO 1A 1FU 1FU CONDENSER FAN NO 1B 8M 4FU 7FU 7FU 7FU R S T U V U V R S T U V R S T 2CB 2OL 2M COMPRESSOR NO 1B 3CB 3OL 3M...

Страница 172: ...6 5 4 3 2 1 J33 121 122 123 124 122 121 COM 123 REFER TO LINES 137 140 P33 ELEMENTARY DIAGRAM ELECTRIC HEAT CONTROLS 50 90 TON 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 3...

Страница 173: ...d 5 5 CONTACTOR OPE R ATING 2PR 4PR 6PR 5PR PILOT R E LAY PILOT R E LAY CONTACTOR OPE R ATING 25M PILOT R E LAY 22M 24M 21M AIR FLOW S WITCH COM NO 1PR CONNE CT PR E S S UR E POR T PR E S S UR E TUBE...

Страница 174: ...31R 24V PRI 24V SEC 1 1 ISOLATION TRANSFORMER 40VA CLASS 2 SEE DETAIL A 607 618 660 602 603 670 610 612 627 TB1 TB2 10T 11T 2 3 PS8 AO6 AO6C 664 665 664 665 AO6 AO6C 664 CONTROL HARNESS TO MICRO POWER...

Страница 175: ...661 662 663 025 36378 000 MODULATING GAS VALVE SIGNAL CONDITIONER 026 40654 000 MODULATING GAS VALVE 460 461 462 463 464 465 466 467 468 469 470 230 VAC POWER REFER TO LINES 190 195 OPTIONAL HEAT MODU...

Страница 176: ...ork com P O Box 1592 York Pennsylvania USA 17405 1592 Subject to change without notice Printed in USA Copyright by York International Corporation 2004 ALL RIGHTS RESERVED Form 100 50 NOM1 604 Supersed...

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Содержание ECO2 YPAL 050

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Содержание ECO2 YPAL 050

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