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JOHNSON CONTROLS

161

SECTION 7 – UNIT CONTROLS

FORM 150.72-ICOM6 

ISSUE DATE: 08/03/2022

7

The table below shows set-up requirements for each 

communication protocol.

TABLE 20 - 

VALUES REQUIRED FOR BAS COMMUNICATION

SETTING DESCRIPTION

PROTOCOL

BACNET MS/TP

MODBUS RTU

5

YORKTALK 2

N2

6

DE MODIFIER ADDRESS

0 to 41943

3

1

-1

0 to 41943

3

DE MODIFIER OFFSET

0 to 99

4

0

N/A

0 to 99

4

P1 PROTOCOL

BACNET

N/A

N/A

9n2

P1 MANUAL MAC ADDRESS

0-127

1

N/A

N/A

0-127

1

P1 BAUD RATE

9600 To 76800 or  

Auto Selectable

1

N/A

N/A

9600

P1 PARITY

NONE

N/A

N/A

NONE

P1 STOP BITS

1

N/A

N/A

1

P2 PROTOCOL

N/A

MODBUS SVR

N/A

N/A

P2 MANUAL MAC ADDRESS

N/A

0-127

1

N/A

N/A

P2 BAUD RATE

N/A

19,200

2

N/A

N/A

P2 PARITY

N/A

NONE

2

N/A

N/A

P2 STOP BITS

N/A

1

N/A

N/A

P2 HW SELECT BIT

N/A

RS-485 or  

RS-232

1

N/A

N/A

RESET REAL TIME ERROR

N/A

N/A

N/A

N/A

P1 HW SELECT BIT

N/A

N/A

N/A

N/A

CHILLER ID

N/A

N/A

0

N/A

1. As required by network. 2. Or other as required by network. 3. Number is multiplied by 100, set as required by network. 

4. Number is added to de modifier address, set as required by network.

 

5. Unit operating software version C.Mmc.13.03 or later required for Modbus Protocol. 

6. Unit operating software version 04 (C.MMC.13.04, C.MMC.14.04, or C.MMC.16.04) or higher required for N2 protocol functionality.

BACnet and Modbus Communications

Chiller data that can be read and modified using spe-

cific BACnet or Modbus Register Addresses; and the 

data associated with the addresses, is outlined in the 

following description:

Analog Write Points

This data can be read and modified using a BACnet 

or Modbus network connection. The Modbus Register 

Address for these points is 1025 + AV #. 

Binary Write Points

This data can be read and modified using a BACnet 

or Modbus network connection. The Modbus Register 

Address for these points is 1537 + BV #.  

Analog Read Only Points

This data can be read using a BACnet or Modbus net-

work connection and can NOT be modified using this 

connection. The Modbus Register Address for these 

points is 513 + AI #. 

Binary Monitor Only Points

This data can be read using a BACnet or Modbus net-

work connection and can NOT be modified using this 

connection. The Modbus Register Address for these 

points is 1281 + BI #. 

See Table 22 on page 163 for complete list of BACnet 

and Modbus registers.

The latest data map information is listed 

on the Johnson Controls Equipment In-

tegration website.

Содержание YLAA0041

Страница 1: ...4 12 Fan 40 ton to 230 ton 140 kW to 800 kW R 410A Issue Date August 3 2022 Air Cooled Scroll Chiller Installation Operation Maintenance Supersedes 150 72 ICOM6 221 Form 150 72 ICOM6 822 Products are...

Страница 2: ...this document and any referenced materials This in dividual shall also be familiar with and comply with all applicable industry and governmental standards and regulations pertaining to the task in qu...

Страница 3: ...een modified and if current literature is available from the owner of the equipment prior to performing any work on the chiller AFFECTED PAGES DESCRIPTION 19 Flow switch section updated REVISION NOTES...

Страница 4: ...TURE YL A A 0125 H 46 X C B YL YORK CHILLER A AIR COOLED S STANDARD EFFICIENCY H HIGH EFFICIENCY REFRIGERANT R 410A DESIGN SERIES A DESIGN SERIES FOUR DIGIT UNIT NUMBER VOLTAGE CODE 17 200 3 60 28 230...

Страница 5: ...oving the Chiller 34 Lifting Weights 36 Lifting Using Lugs 36 Lifting Using Shackles 36 SECTION 4 INSTALLATION 37 Installation Checklist 37 Startup Commissioning 37 Location and Clearances 37 Spring I...

Страница 6: ...munications 159 SECTION 8 UNIT OPERATION 175 Capacity Control 175 Suction Pressure Limit Controls 176 Discharge Pressure Limit Controls 176 Leaving Chilled Liquid Control 176 Leaving Chilled Liquid Co...

Страница 7: ...Chiller Configuration 186 Service Mode Analog and Digital Inputs 186 Control Inputs Outputs 187 Checking Inputs and Outputs 189 Optional Printer Installation 195 Troubleshooting 197 SECTION 10 MAINTE...

Страница 8: ...FIGURE 27 Four Fan Units Dimensions YLAA0041HE YLAA0048HE YLAA0058HE YLAA0065HE YLAA0081HE YLAA0082HE 92 FIGURE 28 Four Fan Units Dimensions YLAA0070SE YLAA0080SE YLAA0089SE 93 FIGURE 29 Five Fan Unit...

Страница 9: ...TABLE 19 Minimum Maximum and Default Values 160 TABLE 20 Values Required for BAS Communication 161 TABLE 21 Real Time Error Numbers 162 TABLE 22 Native BACnet Modbus and N2 Communications Data Map 16...

Страница 10: ...JOHNSON CONTROLS 10 FORM 150 72 ICOM6 ISSUE DATE 08 03 2022 THIS PAGE IS INTENTIONALLY LEFT BLANK...

Страница 11: ...imited to parts only replacement and shipping of any faulty part or sub assembly which has failed due to poor quality or manufacturing errors All claims must be supported by evidence that the failure...

Страница 12: ...esult in injury to the operator or damage to the equipment The unit must not be operated outside the design pa rameters specified in this manual Structural Support Structural support of the unit must...

Страница 13: ...k of minor abrasions and lacerations Refrigerants and Oils Refrigerants and oils used in the unit are generally non toxic non flammable and non corrosive and pose no special safety hazards Use of glov...

Страница 14: ...JOHNSON CONTROLS 14 FORM 150 72 ICOM6 ISSUE DATE 12 18 2020 THIS PAGE IS INTENTIONALLY LEFT BLANK...

Страница 15: ...th baked on powder paint which when subjected to ASTM B117 1000 hour salt spray testing yields a minimum ASTM 1654 rating of 6 Units are designed in accordance with NFPA 70 National Electric Code ASHR...

Страница 16: ...plate evaporators are catego rized as pressure H fittings per CSA B51 a CRN label or marking is not provided on the evaporator Ac cording to the Canadian Standards Association s Boil er Pressure Vess...

Страница 17: ...utout Low suction pressure cutout High discharge pressure cutout Anti recycle timer compressor start cycle time Anti coincident timer delay compressor starts Unit Keys This section is used to Set time...

Страница 18: ...ing wiring to the compressors Separate external pro tection must be supplied by others in the incoming compressor power wiring Do not include this op tion if either the Single Point Non Fused Disconn...

Страница 19: ...otal heat of rejection cooling load plus work input temperatures as high as 140 F 60 C are possible Hydro Kit Factory installed Hydro Kit suitable for water and gly col systems with up to 35 glycol at...

Страница 20: ...llowing sound attenuation options are recommended for residential or other similar sound sensitive locations Compressor Acoustic Sound Blanket Each compressor is individually enclosed by an acous tic...

Страница 21: ...0 72 ICOM6 ISSUE DATE 08 03 2022 2 ITEM DESCRIPTION 1 Fan assemblies 2 MCHX condenser 3 Control panel 4 Compressors 5 Receiver included with optional heat recovery condenser 6 Filter driers Figure 2 U...

Страница 22: ...TION 2 PRODUCT DESCRIPTION Figure 3 UNIT COMPONENTS SIDE 1 2 3 4 5 6 7 8 ITEM DESCRIPTION 1 Fan deck 2 MCHX condenser 3 Coil headers 4 Control and power panels 5 Compressors 6 Brazed plate evaporator...

Страница 23: ...TION FORM 150 72 ICOM6 ISSUE DATE 08 03 2022 2 Figure 4 POWER PANEL COMPONENTS ITEM DESCRIPTION 1 Fan contactor 2 Fan fuses 3 Fan contactor 4 Disconnect switch optional 5 XTBF1 6 Compressor contactors...

Страница 24: ...CRIPTION Figure 5 POWER PANEL CONTROL COMPONENTS ITEM DESCRIPTION 1 Fan contactor 2 Fan fuses 3 Control relay 4 Microcomputer control center 5 Display 6 Keypad 7 XTBC1 8 Microboard 9 XTCB2 10 XTBF2 11...

Страница 25: ...dard Efficiency H High Efficiency REF Refrigerant PIN 10 E R 410A VOLTS Voltage PIN 11 12 17 200 3 60 28 230 3 60 40 380 3 60 46 460 3 60 50 380 415 3 50 58 575 3 60 STARTER Starter PIN 13 X Across th...

Страница 26: ...oard Not Applicable to eLogia F French G German I Italian RDOUT Readout Kits PIN 23 B Both Discharge Suction Pressure Transducer Readout required Q Special Pressure Readout required SAFETY Safety Code...

Страница 27: ...ation required FLANGES Flanges PIN 40 X No Flanges required V Grooved Flanges required Q Special Flanges required FLOW Flow Switch PIN 41 X No Flow Switch required S One Flow Switch Required Y Flow Sw...

Страница 28: ...l Enclosure Panels ACOUSTIC Acoustic Blanket PIN 49 X No Acoustic Blanket required B Acoustic Blanket Required E Acoustic Enclosure Q Special Acoustic Blanket required SRDOCS SR Documents PIN 50 X No...

Страница 29: ...ing Bag B Both Buy American Act Compliance and Container Ready without Shipping Bag Factory Prep C Container Shipped without Shipping Bag Factory Load D Container Shipped with Shipping Bag Factory Loa...

Страница 30: ...Kit L M Pump Kit M N Pump Kit N O Pump Kit O P Pump Kit P R Pump Kit R S Pump Kit S T Pump Kit T U Pump Kit U V Pump Kit V W Pump Kit W Y Pump Kit Y Z Pump Kit Z PKGOPT Pump Package Options PIN 60 X N...

Страница 31: ...Valve Solenoid Valve Sight Glass Sensor Pressure or Temperature Service Stop Access Valve Pressure Switch Filter Drier Removable Core S PS T Ambient Air Sensor DV HTC LTC 585 PSIG 650 PSIG 450 PSIG L...

Страница 32: ...JOHNSON CONTROLS 32 FORM 150 72 ICOM6 ISSUE DATE 08 03 2022 THIS PAGE IS INTENTIONALLY LEFT BLANK...

Страница 33: ...ifting should only be done by a professional rigger in accordance with a written rigging and lifting plan The most appropriate rigging and lifting method will depend on job specific factors such as th...

Страница 34: ...a location where there is minimal activity in order to limit the risk of ac cidental physical damage To prevent inadvertent operation of the pressure relief devices the unit must not be steam cleaned...

Страница 35: ...6 ISSUE DATE 08 03 2022 3 Figure 8 UNIT RIGGING LIFTING LD18120 A B C D Y X Control Panel LD18121 A B C D E F Y X Control Panel 4 6 Fan Units 8 Fan Units 10 Fan Units LD27282 A B C E F G Control Panel...

Страница 36: ...ring loaded pin engages into the hole and the flanges on the lug lock behind the hole The lugs are attached to the cables chains using shack les or safety hooks LOCKING PIN LUG FLANGE LIFTING HOLE IN...

Страница 37: ...e winter operation is intended and snow accumulations are expected additional height must be provided to ensure normal condenser air flow Clearances are listed in Figure 35 on page 100 Foundation Moun...

Страница 38: ...tallation It is important that the following considerations be observed The chilled liquid piping system should be laid out so that the circulating pump discharges di rectly into the cooler The suctio...

Страница 39: ...or condenser coil module No more than 3 ft 1 m of light construc tion ductwork should be supported by the unit Where cross winds may occur any ductwork must be support ed to prevent side loading on t...

Страница 40: ...tor are wired in parallel with XTBC2 Termi nals 25 to 26 for system 1 and XTBC2 Terminals 27 to 28 for system 2 See Figure 5 on page 24 Figure 15 on page 46 and unit wiring diagram Alarm Status Contac...

Страница 41: ...Disconnecting 120 VAC power from the unit at or below freezing temperatures can result in damage to the evaporator and unit as a result of the chilled liquid freezing Power Panel Control Panel Termina...

Страница 42: ...must be capable of switching 24 VDC 115 VAC Gold contacts are recommended If sup plied contacts are from a Relay Contac tor Inductive Load the coil of the Relay Contactor must be suppressed Typical su...

Страница 43: ...ntact a professional company if a chemical cleaning to the BPHE is required Chemical cleaning is one of the high risks of BPHE corrosion because any chemical corrosion will void the warranty Do not al...

Страница 44: ...rence in temperature between the two transis tors provides a measurement of fluid velocity past the sensor probe When fluid velocity is high the temperature differential is small As fluid velocity dec...

Страница 45: ...es mount the switch in the rising pipes Mount the thermal dispersion flow switch on the top of the horizontal pipes only if the pipe is fully filled with liquid Mount the thermal dispersion flow switc...

Страница 46: ...S CLOSE RUN BASED ON DAILY SCHEDULE SYSTEM 1 ALARM DRY CONTACTS OPEN ALARM Normally jumpered Can be used as EMERGENCY STOP contacts from an external source All chiller supplied contacts are rated at 1...

Страница 47: ...HE 40 4 4 55 12 8 205 12 9 100 6 3 385 24 3 10 23 3 125 51 7 YLAA0101HE 40 4 4 55 12 8 237 15 0 100 6 3 385 24 3 10 23 3 125 51 7 YLAA0125HE 40 4 4 55 12 8 282 17 8 100 6 3 385 24 3 10 23 3 125 51 7 Y...

Страница 48: ...0065HE 0070SE B 0080SE C 0082HE 0089SE 0092HE 0100SE 0101HE 0125HE D 0136SE 00139HE 0156HE 0170SE 0081HE E 0120SE 0155SE 0142HE F 0175HE G 200HE H 230HE I 0048HE J 0041HE YLAA Evaporator Pressure Drop...

Страница 49: ...EZE PT 10 0 1 0 1 0 24 3 1 0 26 2 10 0 1 0 1 0 24 0 1 0 26 0 20 0 1 0 1 0 25 1 1 1 17 9 20 0 1 0 1 0 24 3 1 1 19 0 30 0 1 0 1 0 25 9 1 2 6 7 30 0 1 0 1 0 24 9 1 3 9 0 40 0 1 0 1 0 26 9 1 4 8 1 40 0 1...

Страница 50: ...SOR Circuit 1 13 15 15 15 32 32 32 32 Circuit 2 13 13 15 32 32 15 32 32 CONDENSER Total Face Area Ft2 106 9 106 9 106 9 133 6 160 3 213 8 213 8 267 2 Number Of Rows 1 1 1 1 1 1 1 1 Fins Per Inch 20 20...

Страница 51: ...3 3 3 3 2 Compressors Per Unit 4 4 4 5 6 6 6 5 NOMINAL TONS PER COMPRESSOR Circuit 1 10 13 15 13 15 15 15 15 Circuit 2 10 13 15 15 13 13 15 32 CONDENSER Total Face Area Ft2 106 9 106 9 106 9 106 9 10...

Страница 52: ...COMPRESSOR Circuit 1 32 25 32 32 32 35 40 Circuit 2 32 32 15 32 32 35 40 CONDENSER Total Face Area Ft2 213 8 213 8 213 8 267 2 267 2 320 320 Number Of Rows 1 1 1 1 1 1 1 Fins Per Inch 20 20 20 20 20...

Страница 53: ...JOHNSON CONTROLS 53 SECTION 5 TECHNICAL DATA FORM 150 72 ICOM6 ISSUE DATE 08 03 2022 THIS PAGE IS INTENTIONALLY LEFT BLANK...

Страница 54: ...6 460 3 60 414 506 50 380 415 3 50 360 440 58 575 3 60 517 633 COMPRESSOR HEATERS Compressor heaters are standard Smaller compres sors use 70 W heaters and larger compressors use 120 W heaters If powe...

Страница 55: ...14 0 92 8 J 5 1800 N A N A 13 0 92 0 7 9 55 5 6 5 46 0 5 2 36 8 K 15 3600 N A N A 35 0 232 0 20 9 143 0 17 5 116 0 14 0 92 8 L 20 3600 N A N A 45 0 290 0 28 7 190 0 22 5 145 0 18 0 116 0 M 3 1800 N A...

Страница 56: ...380 149 200 175 175 460 130 200 150 150 575 103 150 110 110 65 208 306 400 350 350 230 305 400 350 350 380 170 250 200 200 460 150 200 175 175 575 112 150 125 125 70 208 334 400 350 350 230 333 400 3...

Страница 57: ...7 6 159 2 4 5 23 1 27 6 159 27 6 159 27 6 159 2 4 5 23 1 24 4 145 24 4 145 24 4 145 2 4 19 24 4 145 24 4 145 24 4 145 2 4 19 17 4 109 17 4 109 17 4 109 2 2 9 15 3 17 4 109 17 4 109 17 4 109 2 2 9 15 3...

Страница 58: ...75 178 250 200 200 120 208 497 800 600 600 230 496 800 600 600 380 300 400 350 350 460 250 400 300 300 575 198 250 225 225 125 208 512 800 600 600 230 511 800 600 600 380 309 400 350 350 460 258 400 3...

Страница 59: ...290 3 4 19 42 5 255 42 5 255 3 2 9 15 3 42 5 255 42 5 255 3 2 9 15 3 106 2 523 106 2 523 4 7 6 44 106 2 523 106 2 523 4 7 6 44 106 2 578 106 2 578 4 7 4 37 106 2 578 106 2 578 4 7 4 37 64 3 355 64 3 3...

Страница 60: ...2 400 300 300 170 208 740 1000 800 800 230 738 1000 800 800 380 447 600 500 500 460 372 600 400 400 575 295 400 350 350 175 208 740 1000 800 800 230 738 1000 800 800 380 447 600 500 500 460 372 600 40...

Страница 61: ...8 106 2 578 106 2 578 5 7 4 37 64 3 355 64 3 355 64 3 355 5 4 5 23 1 64 3 355 64 3 355 64 3 355 5 4 5 23 1 53 1 290 53 1 290 53 1 290 5 4 19 53 1 290 53 1 290 53 1 290 5 4 19 42 5 255 42 5 255 42 5 25...

Страница 62: ...208 1 6 500 2 250 500 3 2 0 400 2 3 0 250 1 250 500 230 1 6 500 2 250 500 3 2 0 400 2 3 0 250 1 250 500 380 1 6 500 1 6 350 1 6 350 460 1 6 500 1 6 350 1 6 350 575 1 6 500 1 6 350 1 6 350 YLAA0065 208...

Страница 63: ...3 0 250 1 250 500 460 1 6 500 1 250 500 2 3 0 250 1 6 350 1 6 350 575 1 6 500 1 6 350 1 6 350 1 6 350 YLAA0089 208 2 6 500 2 250 500 3 2 0 400 2 250 500 3 2 0 400 230 2 6 500 2 250 500 3 2 0 400 2 250...

Страница 64: ...250 500 2 3 0 250 YLAA0136 YLAA0142 208 2 6 500 2 250 500 3 2 0 400 2 250 500 3 2 0 400 230 380 2 6 500 3 2 0 400 2 250 500 2 3 0 250 1 250 500 400 460 1 6 500 1 250 500 2 3 0 250 1 250 500 2 3 0 250...

Страница 65: ...g and stopping of the unit and or operation at ambient tempera tures in excess of 95 F 35 C is anticipated 4 Maximum fuse size is based upon 225 of the rated load amps for the largest motor plus 100 o...

Страница 66: ...R KFOL FAN OVERLOAD KFS RELAY FAN SPEED KH HEATER RELAY KM COMPRESSOR CONTACTOR INCLUDING COIL SUPPRESSOR KCR CONTROL RELAY KP PUMP CONTACTOR PART INCLUDING COIL SUPPRESSOR DESIGNATION DESCRIPTION KT...

Страница 67: ...customer connection notes non compliance to these instructions will invalidate unit warranty 2 Wiring and components for compressor 3 only fitted when unit has 3 compressors on the system 1 BMP3 is re...

Страница 68: ...ng details for a unit with two compressor on system 1 56 Soft starter option details shown on sheet 120 of schematic replaces the standard drawing details for a unit with three compressor on system 1...

Страница 69: ...JOHNSON CONTROLS 69 SECTION 5 TECHNICAL DATA FORM 150 72 ICOM6 ISSUE DATE 08 03 2022 THIS PAGE IS INTENTIONALLY LEFT BLANK...

Страница 70: ...3 2 1 1 KM1 2 6 6 5 4 3 2 1 1 KM2 2 6 6 5 4 3 2 1 1 KM3 2 10 6 5 4 3 2 1 2 KM2 2 9 6 5 4 3 2 1 2 KM1 F3 6 5 4 3 2 1 1 QMMSC1 6 5 4 3 2 1 1 QMMSC2 6 5 4 3 2 1 1 QMMSC3 6 5 4 3 2 1 2 QMMSC2 6 5 4 3 2 1...

Страница 71: ...XP4 1 XP4 RED BLK 8 5 EXT ACC BDAT J6 2 5 8 2 SCR 8 J11 7 7 12 12 T5 24 VAC 2 1 1 2 1 R PORT 2A RS485 TB5 REF SHD COM HOT ELINK 4 TB1 3 2 1 BLK RED SCR 1 7 4 J8 1 4 7 EXT ACC 1 BST 9 BLK RED SCR 7 4...

Страница 72: ...ECH3 2 1 XTBF EXT 1 SCH3 126 1 XTBF 2 XTB7 1 1 K1 4 1 2 K3 1 1 XTBF 2 XTB8 1 4 K9 V EXT EEH1 EXT EEH2 149 1 XTBF 3 14 11 M2 M1 EXT 1 BMP1 4 14 11 M2 M1 EXT 1 BMP2 8 14 11 M2 M1 EXT 2 BMP2 8 14 11 M2...

Страница 73: ...E EXT 2 YLLSV 2 1 1 8 K18 3 1 7 1 3 K5 6 XTB10 7 1 9 K21 120 1 XTBF 220 2 XTBF 2 S2 1 S1 N L T2 T1 EXT 2 BMP1 2 S2 1 S1 N L T2 T1 EXT 2 BMP2 2 S2 1 S1 N L T2 T1 EXT 2 BMP3 6 1 13 14 1 KCR 1 1 13 14 2...

Страница 74: ...3 2 1 1 KF1 3 6 5 4 3 2 1 1 KF2 PE T3 T2 T1 EXT 1 MF4 PE T3 T2 T1 EXT 1 MF3 1 F4 PE T3 T2 T1 EXT 1 MF1 PE T3 T2 T1 EXT 1 MF2 PE T3 T2 T1 EXT 1 MF5 PE T3 T2 T1 EXT 1 MF6 AMB NB21 350 351 352 150 151 1...

Страница 75: ...6 5 4 3 2 1 2 KF2 7 6 5 4 3 2 1 2 KF1 9 6 5 4 3 2 1 2 KF3 PE T3 T2 T1 EXT 2 MF2 PE T3 T2 T1 EXT 2 MF5 PE T3 T2 T1 EXT 2 MF4 2 F4 PE T3 T2 T1 EXT 2 MF1 450 451 453 GND GND GND GND 250 251 252 256 257 2...

Страница 76: ...1 2 8 9 10 XTB7 X 2 8 1 3 K6 1 4 K7 1 4 K8 9 XP2 8 XP2 10 XP2 127 1 XTBM 81 1 XTBM 82 1 XTBM 84 1 XTBM 128 1 XTBM 85 1 XTBM 129 1 XTBM 87 1 XTBM 88 1 XTBM 4 6 5 4 3 2 1 1 KF2 2 TW TW EXT 1 MF1 352 35...

Страница 77: ...TB10 1 10 K24 Y 2 8 1 9 K22 227 2 XTBM 181 2 XTBM 187 2 XTBM 228 2 XTBM 183 2 XTBM 184 2 XTBM 229 2 XTBM 186 2 XTBM 7 TW TW EXT 2 MF1 8 TW TW EXT 2 MF2 11 TW TW EXT 2 MF5 9 TW TW EXT 2 MF3 10 TW TW EX...

Страница 78: ...2 1 5 2L3 1 5 6 5 4 3 2 1 1 QCB 5 6 3 4 1 2 QSD NB1 NB17 380 415V 3 50 60HZ 575V 3 60HZ 460V 3 60HZ PE L1 L2 L3 2L1 1L1 1 1 1L2 1 1 1L3 1 1 2L1 1 4 2L2 1 5 2L3 1 5 5 6 3 4 1 2 QCB 5 6 3 4 1 2 QSD PE N...

Страница 79: ...JOHNSON CONTROLS 79 SECTION 5 TECHNICAL DATA FORM 150 72 ICOM6 ISSUE DATE 08 03 2022 THIS PAGE IS INTENTIONALLY LEFT BLANK...

Страница 80: ...LD27950a AMB NB19 AMB NB52 W2 W1 9 J11 14 J11 5 J11 10 J11 15 J11 3 QMMSP2 2 QMMSP1 6 XTB8 7 XTB8 4 XTB8 4 J11 1 5 K11 6 5 4 3 2 1 6 5 4 3 2 1 1 6 K13 1L1 1 1 1L2 1 1 1L3 1 1 V 2 3 1 1 1 2 1 2 2 2 5...

Страница 81: ...ING DWG 5 LD27950b BLK AMB AMB BLK 6 XTB8 7 XTB8 4 XTB8 9 J11 14 J11 10 J11 15 J11 1 5 K11 1 6 K13 1L1 1 1 1L2 1 1 1L3 1 1 V 2 4 1 1 1 2 1 2 2 2 8 EXT EXT XTBC2 1 XTBF XTBC2 KP2 KP1 DI4 DI1 18 12 E 95...

Страница 82: ...2 STEP 3 POLARITY DIRECTION RESPONSE TIME PULSE PER SECOND VALVE OPERATION INPUT CONFIGURATION TO SYSTEM 2 EEV P15 TO MICROBOARD T3 FROM TRANSFORMER 1T FROM TRANSFORMER 1T ON 2 EEVC S J15 4 43 S J15...

Страница 83: ...JOHNSON CONTROLS 83 SECTION 5 TECHNICAL DATA FORM 150 72 ICOM6 ISSUE DATE 08 03 2022 THIS PAGE IS INTENTIONALLY LEFT BLANK...

Страница 84: ...SECTION 5 TECHNICAL DATA COMPRESSOR WIRING Figure 23 COMPRESSOR WIRING 035 21589 106 REV N 7 9 3 0 7 25 4 7 1 9 8 9 8 1 9 8 9 8 1 7 1 7 6 1 7 6 7 7 7 3 3 9 8 6 7 7 7 3 3 9 8 1 7 1 7 1 7 7 1 7 6 8 6 51...

Страница 85: ...N CONTROLS 85 SECTION 5 TECHNICAL DATA FORM 150 72 ICOM6 ISSUE DATE 08 03 2022 5 5 FIGURE 23 COMPRESSOR WIRING CONT D 1 4 25 1 7 1 7 1 7 1 7 1 7 1 7 7 9 9 9 9 9 25 3 5 3 3 7 25 63 5 63 63 7 63 5 63 63...

Страница 86: ...FOUND ON POWER SIDE OF DIVIDER PANEL LA 2L1A 2L1B 2L1C 1L1A B 1L1C 1L2C 1L3C 2L2A 2L2B 2L2C 1L2A B 2L3A 2L3B 2L3C 1L3A B 2L1A 2L2A 2L3A 2L1B 2L2B 2L3B 2L1C 2L2C 2L3C 1L1A 1L2A 1L3A B B B C C C 1L1C 1...

Страница 87: ...C 2L1C 2L3C 2L2C 2L1A 2L2A 2L3A 2L1B 2L2B 2L3B L1 L2 L3 6 4 2 5 3 1 2L3 2L3 2L2 2L2 2L1 2L1 33 305 304 303 A2 A1 22 6 4 2 21 5 3 1 KP2 2 24 302 301 300 A2 A1 22 6 4 2 21 5 3 1 KP1 2 2 5 1 6 4 2 3 1L1...

Страница 88: ...ON CONTROLS 88 FORM 150 72 ICOM6 ISSUE DATE 08 03 2022 SECTION 5 TECHNICAL DATA POWER PANEL Figure 25 POWER PANEL 035 21589 101 REV H 7 9 03 4 5 0 3 4 3 4 0 0 1 1 2 25 5 7 5 7 5 3 5 0 2 63 63 63 1 1 0...

Страница 89: ...JOHNSON CONTROLS 89 SECTION 5 TECHNICAL DATA FORM 150 72 ICOM6 ISSUE DATE 08 03 2022 5 5 FIGURE 25 POWER PANEL CONT D 7 63 63 2 2 3 1 1 0 8 7 7 6 6 5 0 3 8 9 9 3 4 4 5 5 63 25 7 7 1 0 0 0...

Страница 90: ...8B 220A 227A 24 131A 33 9 8 7 6 5 4 3 2 1 XTB8 1C 1D 23 140A 140C XP4 19C 13K 18C 4 3 2 1 XP4 13I 19B 18B 4 3 2 1 ELINK AMB RED ELINK AMB BLK WHT BLK PORT3 RS485 COM SHD PORT1 J2 PORT2A RS485 PORT2B R...

Страница 91: ...5V GND 5V SHLD GND CTS RTS TB6 1 J4 J13 J11 J9 J8 J7 J6 J1 TB4 TB3 TB2 PL1 TB1 J15 J11 QPA1 BLK J11 QPA2 SCR J11 QPA1 SCR J11 QPA2 RED J11 QPA2 BLK J11 QPA1 RED LK1 A NEG LK1 A POS 15 10 5 14 13 12 1...

Страница 92: ...e unit is no higher than on spring isolators Recommended minimum clearances Side to wall 6 ft rear to wall 6 ft control panel to end wall 4 ft top no obstructions allowed distance between adjacent uni...

Страница 93: ...no obstructions allowed distance between adjacent units 10 ft No more than one adjacent wall may be higher than the unit Figure 28 FOUR FAN UNITS DIMENSIONS YLAA0070SE YLAA0080SE YLAA0089SE 1669 65 7...

Страница 94: ...en adjacent units 10 ft No more than one adjacent wall may be higher than the unit FIVE FAN UNITS DIMENSIONS YLAA0100SE LD23533 1678 66 1 1222 48 1 588 21 1 3 VICTAULIC INLET 2256 88 8 2242 88 3 1497m...

Страница 95: ...llowed distance between adjacent units 10 ft No more than one adjacent wall may be higher than the unit LD26940 1177 46 4 2795 110 0 1678 66 1 POWER ENTRY 330 2 13 00 WIDE X 177 8 7 00 HIGH 190mm x 12...

Страница 96: ...RIES BASED ON CHILLER SELECTED 3 VICTAULIC OUTLET 3 VICTAULIC INLET 2077 3 81 78 82 9 3 26 NOTE Placement on a level surface free of obstructions including snow for winter operation or air circulation...

Страница 97: ...5 72 42 1753 2 69 03 194 6 7 66 2077 3 81 78 82 4 3 24 ORIGIN 2169 2 85 40 36 4 1 43 15 9mm 5 8 DIA MOUNTING HOLES TYP NOTE Placement on a level surface free of obstructions including snow for winter...

Страница 98: ...3 194 6 7 66 36 4 1 43 ORIGIN 80 3 3 16 2077 3 81 78 15 9mm 5 8 DIA MOUNTING HOLES TYP NOTE Placement on a level surface free of obstructions including snow for winter operation or air circulation ens...

Страница 99: ...in the control panel informa tion packet is a drawing and table specifically for each chiller based on the option selection The drawing and table will be similar to the two samples shown below and on...

Страница 100: ...AL DATA CLEARANCES See Figure 35 below for minimum clearances for all YLAA units NOTES 1 No obstructions allowed above the unit 2 Only one adjacent wall may be higher than the unit 3 Adjacent units sh...

Страница 101: ...DATE 08 03 2022 5 5 ISOLATOR LOCATIONS FOUR FAN ISOLATOR LOCATIONS YLAA0041HE YLAA0048HE YLAA0058HE YLAA0065HE YLAA0081HE YLAA0082HE FOUR FAN ISOLATOR LOCATIONS YLAA0070SE YLAA0080SE YLAA0089SE 1 4 1...

Страница 102: ...3 2022 SECTION 5 TECHNICAL DATA FIVE and SIX FAN ISOLATOR LOCATIONS YLAA0100SE YLAA0120SE YLAA0092HE YLAA0101HE All dimensions are inches unless otherwise specified LD18080 EIGHT FAN ISOLATOR LOCATION...

Страница 103: ...DATA FORM 150 72 ICOM6 ISSUE DATE 08 03 2022 5 5 All dimensions are inches unless otherwise specified TEN FAN ISOLATOR LOCATIONS YLAA0170SE YLAA0156HE YLAA0175HE TWELVE FAN ISOLATOR LOCATIONS YLAA020...

Страница 104: ...DEL P N RATED CAPACITY LB DEFLECTION RATED IN COLOR CODE 029 25334 002 433668 675 1 320 DK PURPLE 029 25334 003 433669 900 1 020 DK GREEN 029 25334 004 433670 1200 0 900 GRAY 029 25334 005 433871 1360...

Страница 105: ...eling all isolator bases to the same elevation 1 4 in maximum difference can be tol erated 4 Bolt or anchor all isolators to supporting structure utilizing base slotted holes C 5 Place equipment on to...

Страница 106: ...roplate 3 Equipment must be bolted or welded to the top plate to meet allowable seismic ratings 4 All springs are designed for 50 overload capac ity with exception of the 2D 3280N and 2D 2870 5 See ne...

Страница 107: ...ors 6 With all shims E in place position equipment on top of plate A of isolator Bolt equipment securely to top plate of isolator using a minimum of 2 5 8 UNC A325 grade 5 SAE bolts or weld equipment...

Страница 108: ...for installation instructions 3 Mount molded in weather resistant duralene com pound as standard Also available in other materi als such as natural rubber extreme high tempera ture silicone high dampe...

Страница 109: ...n floor housekeeping pad or sub base ensuring that all isolator centerlines match the equipment mounting holes The VMC group recommends that the isolator base A be in stalled on a level surface Shim o...

Страница 110: ...JOHNSON CONTROLS 110 FORM 150 72 ICOM6 ISSUE DATE 08 03 2022 THIS PAGE IS INTENTIONALLY LEFT BLANK...

Страница 111: ...er pump running when vacuuming the system removing refrigerating from the system or adding refrigerant to the system until the process is completed If you do NOT the evapora tor may freeze and ruin th...

Страница 112: ...ottom of the water outlet sensor well in the cooler This sensor also pro vides some freeze protection and must always be fully inserted in the water outlet sensor well Compressor Heaters Verify the co...

Страница 113: ...vent mounted on the extension pipe Flow rates and pressure drops must be within the limits given in SECTION 5 TECHNICAL DATA Operation outside of these limits is undesirable and could cause damage If...

Страница 114: ...hecklist Form 150 72 CL1 as the commissioning procedure is carried out Apply power to the chiller Turn on the option panel circuit breaker if supplied The machine is now live Low Switch Verify a chill...

Страница 115: ...r switch to OFF 2 Press the Program key 3 Press the Up Arrow twice and then the Down Ar row twice 4 Press the Enter Advance key 5 Press the Enter Advance key until the Liquid Line solenoid option is d...

Страница 116: ...r nameplate 208 V 230 V 460 V 9906 Motor Rated Current See motor nameplate 9907 Motor Frequency See motor nameplate 50 Hz 60 Hz 1103 Command Source Mode 0 1300 Analog Input 1 Signal Format U 0 10 1301...

Страница 117: ...A complete the follow ing steps 1 Note the ln value 2 Set l1 the trip setting l1 ln x 0 4 the sum of the dip switch settings For a 200 A trip setting set switches 0 08 and 0 32 in the up position This...

Страница 118: ...full SG 2 off Bottom of SG TRIO COMPRESSOR COMPRESSOR STATUS OIL LEVEL 1 on 1 8 to full SG 2 on Bottom of SG 3 on 1 8 to full SG 1 on 1 8 to full SG 2 off Bottom of SG 3 on 1 8 to full SG 1 off Bottom...

Страница 119: ...has been completed 3 Visually check for refrigerant piping leaks 4 If available open the suction line ball valve dis charge line ball valve and liquid line valve for each system 5 At shutdown check t...

Страница 120: ...iller is equipped with VSD fans the cycling condenser fan can not be used to confirm phase sequence Use a phase checker or temporarily bypass the VSD before starting a compressor 5 Turn system 2 off a...

Страница 121: ...F 5 56 C to 8 33 C 18 in 46 cm from the heat ex changer Set the superheat must be set for no less than 10 F with only a single compressor running on a circuit The superheat is calculated as the diffe...

Страница 122: ...JOHNSON CONTROLS 122 FORM 150 72 ICOM6 ISSUE DATE 08 03 2022 THIS PAGE IS INTENTIONALLY LEFT BLANK...

Страница 123: ...controller The IPU II board contains a microprocessor and is the controller The I O board handles all of the chiller I O Inputs and Outputs System inputs from pressure transducers and temperature sen...

Страница 124: ...d DOWN arrow keys The display will update all information at a rate of about 1 a second Display Messages may show characters indicating greater than or less than These characters indicate the actual v...

Страница 125: ...he control panel is in the OFF position which will not allow the unit to run R E M O T E C O N T R O L L E D S H U T D O W N The REMOTE CONTROLLED SHUTDOWN mes sage indicates that either an ISN system...

Страница 126: ...is a factory set limit to keep the system from faulting on the high discharge pressure cutout due to high load or pull down conditions When the unload point is reached the microprocessor will automati...

Страница 127: ...0 VDC signal is restored to the input OVERRIDE is to only be used in emergencies or for servicing Manual override mode automatically disables itself after 30 minutes S Y S 1 P U M P I N G D O W N S Y...

Страница 128: ...minus 10 psig 27 92 barg plus or minus 0 69 barg and closes at 330 psig plus or minus 25 psig 22 75 barg plus or minus 1 72 barg The compressor is also equipped with a discharge temperature sensor fo...

Страница 129: ...tem is locked out System Safety Discharge Pressure Cutout When the operating envelope is disabled the discharge pressure cutout is the programmable cutout When the operating envelope is a standard ope...

Страница 130: ...n a system is not running The following are the messages for both systems S Y S 1 H I G H M T R C U R R S Y S 2 H I G H M T R C U R R Low Superheat Cutout EEV Mode Only The Low Superheat Cutout protec...

Страница 131: ...charge Pressure Software 3x 7 System Fault Low Suction Pressure 3x 18 System Fault Motor Protector High Pressure Mechanical 3x 19 System Fault Low Evaporator Temperature R407c Only N A Hp Heating Mode...

Страница 132: ...sch Pressure System X Low Suct Pressure Low Liquid Temp System X MP HPCO Fault 115VAC Undervoltage Low Battery Check Prog Step Optn Unit Warning Message Rem Stop No Run Permissive Flow Switch Open Inc...

Страница 133: ...WN arrow keys or the ENTER ADV key located under the ENTRY section System 2 information will only be dis played for 2 system units DISPLAY PRINT KEYS With the UNIT TYPE set as a liquid chiller no jump...

Страница 134: ...display of COOLING DEMAND indicates the current step in the capacity control scheme when in Return Water Control Mode The number of available steps are determined by how many compressors are in the u...

Страница 135: ...nformation E V A P O R A T O R W A T E R P U M P S T A T U S X X X X The evaporator pump dry contacts are energized when any compressor is running or the unit is not OFF on the daily schedule and the...

Страница 136: ...selections This data will be temporarily stored in memory and trans mission of this data will begin to the printer A sample Operating Data printout is shown below Note Not all values are printed for...

Страница 137: ...ion on page 195 for Printer Installation information History Printout Pressing the PRINT key and then the HISTORY key allows the operator to obtain a printout of information relating to the last 9 Saf...

Страница 138: ...stem operating parameters at the time of a unit or system safety shutdown When the HISTORY key is pressed the following message is displayed D I S P L A Y S A F E T Y S H U T D O W N N O 1 1 T O 9 Whi...

Страница 139: ...er is programmed for return chilled liquid control A M B I E N T A I R T E M P X X X X F Displays the Ambient Temp at the time of the fault L E A D S Y S T E M I S S Y S T E M N U M B E R X Displays w...

Страница 140: ...the number of Fan Stages in the system active at the time of the fault S Y S X A C T U A L A M P S X X X X A M P S Software Version The software version may be viewed by first pressing the HISTORY ke...

Страница 141: ...e UP arrow key and DOWN arrow key are also used for programming the control panel such as changing numerical or text values when programming cooling setpoints setting the daily schedule changing safet...

Страница 142: ...set point display entry screen will appear SETPOINTS KEYS 00069VIP Leaving Chilled Liquid Control S E T P O I N T 4 5 0 F R A N G E 2 0 F The above message shows the current chilled water temperature...

Страница 143: ...ontrol range If the control mode has been programmed for RETURN LIQUID control the message below would be displayed in place of the pre vious message When in leaving chilled liquid temperature control...

Страница 144: ...he stop time pressing the ENTER ADV key will advance the schedule to the following display S __ M T W T F S H O L I D A Y N O T E D B Y The line below the empty space next to the S is the cursor and w...

Страница 145: ...point Details are explained under the topic of SYSTEM SAFETIES L O W A M B I E N T T E M P C U T O U T 2 5 0 F The LOWAMBIENT TEMP CUTOUT allows the user to select the chiller outside ambient tempera...

Страница 146: ...ith specific chillers on a single RS 485 line ID 0 7 is selectable F A N D I F F E R E N T I A L O F F P R E S S U R E X X X P S I G The Fan Differential Off Pressure is the programmed differential pr...

Страница 147: ...g FAN DIFFERENTIAL OFF PRESSURE 80 psid 160 psid 125 psid 5 51 bard 11 03 bard 8 62 bard TOTAL NUMBER OF COMPRESSORS SINGLE SYSTEM 2 3 3 DUAL SYSTEM 4 6 6 NUMBER OF FANS PER SYSTEM 2 4 3 UNIT SYSTEM T...

Страница 148: ...int Pressure Cutout Range Remote Setpoint Low Ambient Temp Cutout Range Display Only Leaving Liquid EMS PWM Temperature Remote Temp Cutout Reset Setpoint Anti Recycle Timer Fan Control On Pressure Fan...

Страница 149: ...ata Logging Timer 1 s Inc Dec 1 s 60 s 1 s Fan Speed Control SINGLE SPEED CE and STANDARD NA use Staged Fan Control SINGLE SPEED or STANDARD YLAA TWO SPEED FANS YLAA VSD FANS SINGLE SPEED Two Comp Fan...

Страница 150: ...c per entry position 0 99999 0 Sys 1 2 Compressor 1 3 Start Counters 1 Inc Dec per entry position 0 99999 0 EEV Max Operating Pressure 031 02577 004 EEV 5 0 Inc Dec 20 0 psig 1 38 barg 600 0 psig 41 3...

Страница 151: ...options under the OPTIONS key The OPTIONS key is used to scroll through the list of options by repeatedly pressing the OPTIONS key After the selected option has been dis played the UP and DOWN arrow...

Страница 152: ...5 inputs The chiller will communicate and send data to the remote monitoring devices or L O C A L R E M O T E M O D E R E M O T E This mode should be selected when an ISN or RCC control is to be used...

Страница 153: ...SYS 1 lead option MUST be chosen if Hot Gas Bypass is installed or L E A D L A G C O N T R O L M A N U A L S Y S 2 L E A D SYS 2 selected as lead compressor or L E A D L A G C O N T R O L A U T O M A...

Страница 154: ...J11 7 and J11 12 on the I O Board Reapply power to the micro panel and the micropro cessor will store the change Option 14 Refrigerant Type R E F R I G E R A N T T Y P E R 4 1 0 A Refrigerant type R...

Страница 155: ...ng to the type of input used The following op tions are available DISABLED default 0 0 10 0 DC 2 0 10 0 V DC 0 0 20 0 mA 4 0 20 0 mA The options display message for Remote Temp Reset Input only appear...

Страница 156: ...Y P E B O T H S Y S T E M S When programmed for hot gas bypass type Both Sys tems the condensing units operating in suction pres sure control operate independent of the lead lag sys tem All other unit...

Страница 157: ...time and date should be correct To change the day time and date press the CLOCK key The display will show something similar to the following T O D A Y I S F R I 0 8 5 1 A M 2 5 J A N 0 2 The line und...

Страница 158: ...ow Local Remote Mode Unit Control Mode Return or Leaving Display Units English or Metric System Lead Lag Control Manual or Automatic Fan Control Mode Manual Override Mode Current Feedback Option Soft...

Страница 159: ...t to TB2 Network 1 to TB2 1 Network 1 to TB2 1 RS 232 connect to TB3 Network RX to TB3 TXD Network TX to TB3 RXD Network GND to TB3 GND See Figure 45 on page 160 for TB1 TB2 and TB3 locations In most...

Страница 160: ...IER ADDRESS 1 41943 1 DE MODIFIER OFFSET 1 99 1 P1 BAUD RATE 1200 76800 4800 1200 4800 9600 19200 38400 76800 AUTO SELECTABLE P2 BAUD RATE 1200 57600 1200 1200 4800 9600 19200 38400 57600 SELECTABLE P...

Страница 161: ...ware version C Mmc 13 03 or later required for Modbus Protocol 6 Unit operating software version 04 C MMC 13 04 C MMC 14 04 or C MMC 16 04 or higher required for N2 protocol functionality BACnet and M...

Страница 162: ...nch Pa Pascals kPa Kilopascals PPM Part per Mil lion kJ kg Kilojoules per Kilogram 4 Water Cooled Scroll units use the same firmware as Air Cooled Scroll units ignoring Fan Control The following table...

Страница 163: ...20 S1_CIR_TEMP AI10 523 03 04 x10 ADF 17 F C Sys 1 Cooler Inlet Refrigerant Temp R 407c O O O 21 S1_DEF_TEMP AI11 524 03 04 x10 ADF 18 F C Sys 1 Defrost Temperature HP O O O 22 S1_EEV_OUT AI12 525 03...

Страница 164: ...60 S2_DSCH_TEMP AI50 563 03 04 x10 ADF 57 F C Sys 2 Discharge Temperature EEV O O O 61 S2_DSCH_SH AI51 564 03 04 x10 ADF 58 F diff C diff Sys 2 Discharge Superheat EEV O O O 62 LEAVING_HOT AI52 565 03...

Страница 165: ..._count_f 51 ADF 40 0050 x10 F C Sys 1 Discharge Temperature EEV O O O O O P77 AV41 YT2_ S01_ P77 nvoYTS01p077 SNVT_count_f 51 ADF 41 0051 x10 F diff C diff Sys 1 Discharge Superheat EEV O O O O O P78...

Страница 166: ...ge Pressure No Abnormal Condition No Fault Code Low Ambient Temperature Unit Switch OFF System Switch OFF Low Suction Pressure System Fault Remote Shutdown Daily Schedule Shutdown No Run Permissive No...

Страница 167: ...back to all local control values Table 23 on page 168 lists the control parameters These values are found under feature 54 in the E Link Gateway Transmitted Data After receiving a valid transmission...

Страница 168: ...S01p015 SNVT_count_f 51 ADF 9 0009 x10 F C Sys 1 Suction Temperature EEV O O O O O P16 AV10 YT2_ S01_ P16 nvoYTS01p016 SNVT_count_f 51 ADF 10 0010 x10 F C Ambient Air Temperature S S S S S P17 AV11 YT...

Страница 169: ...16 0076 N A 0 1 0 1 Lead System 0 Sys1 1 Sys2 S S S S S P48 BV17 YT2_ S01_ P48 nvoYTS01p048 SNVT_switch 95 BD 17 0077 N A 0 1 0 1 Sys 1 Comp 3 Run S S S S S P49 BV18 YT2_ S01_ P49 nvoYTS01p049 SNVT_s...

Страница 170: ...51 ADF 40 0050 x10 F C Sys 1 Discharge Temperature EEV O O O O O P77 AV41 YT2_ S01_ P77 nvoYTS01p077 SNVT_count_f 51 ADF 41 0051 x10 F diff C diff Sys 1 Discharge Superheat EEV O O O O O P78 AV42 YT2_...

Страница 171: ...YT2_ S02_ P25 nvoYTS02p025 SNVT_count_f 51 ADF 62 0119 N N N N N P26 AV124 YT2_ S02_ P26 nvoYTS02p026 SNVT_count_f 51 ADF 63 0120 N N N N N P27 AV125 YT2_ S02_ P27 nvoYTS02p027 SNVT_count_f 51 ADF 64...

Страница 172: ...F 75 0142 N N N N N P69 AV133 YT2_ S02_ P69 nvoYTS02p069 SNVT_count_f 51 ADF 76 0143 N N N N N P70 AV134 YT2_ S02_ P70 nvoYTS02p070 SNVT_count_f 51 ADF 77 0144 N N N N N P71 AV135 YT2_ S02_ P71 nvoYTS...

Страница 173: ...Schedule Shutdown Low Suction Pressure No Run Permissive No Cool Load High Ambient Temperature Anti Vacuum Low Pressure Cutout Anti Recycle Timer Active Manual Override Suction Limiting Discharge Lim...

Страница 174: ...JOHNSON CONTROLS 174 FORM 150 72 ICOM6 ISSUE DATE 08 03 2022 THIS PAGE IS INTENTIONALLY LEFT BLANK...

Страница 175: ...ences as the lead system after the lead system has run for five min utes See the section on Capacity Control for a detailed explanation of system and compressor staging 7 As the load decreases below s...

Страница 176: ...ressors will be energized at a rate of once every 60 seconds if the chilled liquid temperature remains above the Setpoint High Limit and the chilled liquid temperature is dropping less than 3 F min Th...

Страница 177: ...sor cycling the microprocessor ad justs the setpoint upward temporarily The last run time of the system is saved If the last run time was greater than 5 minutes do not take any action If the last run...

Страница 178: ...d unload systems The microprocessor will lead lag com pressors within each circuit to maximize individual com pressor run time for the purpose of lubrication It will also prevent the same compressor f...

Страница 179: ...lways fixed at 5 seconds When a fan stage is turned ON by pressure the on pressure for the next stage is increased 20 psig and ramped back to the programmed on pressure over the next 20 seconds Typica...

Страница 180: ...MF2 1 MF3 1 MF2 1 MF1 1 MF2 1 MF3 1 MF4 1MF5 1 MF1 1 MF2 2 MF1 2 MF2 2 MF3 2 MF1 1 MF1 1 MF2 2 MF1 2 MF2 2 MF3 2 MF4 1 MF4 1 MF5 2 MF3 2 MF2 1 MF3 1 MF6 1 MF1 1 MF2 2 MF2 2 MF3 2 MF5 2 MF6 1 MF4 1 MF5...

Страница 181: ...F2 3 DP PROGRAMMED FAN CONTROL ON PRESSURE AND FAN STAGES 1 AND 2 ARE ENERGIZED DP PROGRAMMED FAN CONTROL ON PRESSURE MINUS PROGRAMMED DIFFERENTIAL PRESSURE AND FAN STAGES 1 AND 2 ARE ENERGIZED TB7 8...

Страница 182: ...N PRESSURE AND FAN STAGES 1 AND 2 ARE ENERGIZED DP PROGRAMMED FAN CONTROL ON PRESSURE MINUS PROGRAMMED DIFFERENTIAL PRESSURE AND FAN STAGES 1 AND 2 ARE ENERGIZED TB7 8 and TB7 9 and TB7 10 TB10 8 and...

Страница 183: ...Stage 2 of load limiting involves closing both the Load Limit and PWM inputs The first stage of limiting is either 80 66 or 50 depending on the number of compressors on the unit The second stage of l...

Страница 184: ...tpoint 45 F 7 22 C Max Reset Value 20 F 11 11 C Input Signal 6 VDC English Reset 6 VDC x 20 F 10 New Setpoint 45 F 12 F 57 F Metric Reset 6 VDC x 11 11 C 10 New Setpoint 7 22 C 6 67 C 13 89 C Max Rese...

Страница 185: ...A LOGGING MODE 1 ON 0 OFF DATA LOGGING TIMER X SECS SOFT START disabled REFRIGERANT TYPE R 410A only EXPANSION VALVE TYPE Thermostatic Only SECTION 9 SERVICE AND TROUBLESHOOTING CLEARING HISTORY BUFFE...

Страница 186: ...ist of chiller configuration selections in order of appearance DATA LOGGING MODE DO NOT MODIFY DATA LOGGING TIMER DO NOT MODIFY SOFT START REFRIGERANT TYPE EXPANSION VALVE TYPE REMOTE TEMP RESET OPTIO...

Страница 187: ...Spare J13 7 Single System Select Jumper Single Sys No Jumper Two Sys J13 8 CR1 Sys 1 Motor Protector High Pressure Cutout J13 10 CR2 Sys 2 Motor Protector High Pressure Cutout Table 29 I O DIGITAL OU...

Страница 188: ...S 188 FORM 150 72 ICOM6 ISSUE DATE 08 03 2022 SECTION 9 SERVICE AND TROUBLESHOOTING Figure 49 MICROBOARD LAYOUT TB5 TB1 TB6 TB7 TB8 TB9 TB10 J14 J13 J12 J15 J11 J10 J9 J8 J7 J6 J5 J3 I O BOARD IPU BOA...

Страница 189: ...digital input Typically voltages of 24 VDC to 36 VDC could be measured for the DC voltage on the digital inputs This voltage is in reference to ground The unit case should be sufficient as a referenc...

Страница 190: ...0for voltage readings that cor respond to specific liquid temperatures J6 1 drain shield connection 0 VDC return Analog Inputs Pressure See the unit wiring diagram Pressure inputs are con nected to th...

Страница 191: ...fic discharge pressures J9 7 5 VDC return J9 2 drain shield connection 0 VDC The suction transducers have a range from 0 to 400 psig 27 5 barg The output will be linear from 0 5 VDC to 4 5 VDC over th...

Страница 192: ...FAN 3 TB7 10 TB7 8 SYS 1 FAN 2 TB8 2 HEAT EXCH HEATER Data Logging to Flash Enabling Data Logging to Flash The user can enable data logging to an SD card in the unit setup mode When data logging is EN...

Страница 193: ...Run Time 20 S1 Operating Code x Sys 1 Operational Code 21 S1 Fault Code x Sys 1 Fault Code 22 S1 Suct Press psig x x Sys 1 Suction Pressure 23 S1 Act_Spc psig x x Sys 1 Actual Suction Pressure Cutout...

Страница 194: ...olenoid Valve Status 58 S2 Hot Gas x Sys 2 Hot Gas Bypass Solenoid Valve Status 59 S2 Fan Stage x Sys 2 Condenser Fan Stage 60 S2 Fan Speed x Sys 2 VSD Fan Speed VSD Fans 61 S2 Comp Seq x Sys 2 Progra...

Страница 195: ...x Sys 2 CSHALG_INTEGRAL_CONTRIBUTION_INDEX 0 1000000 in x10000 format 84 S2 Der Cont In x Sys 2 CSHALG_DERIVATIVE_CONTRIBUTION_INDEX 0 10000 in x100 format 85 S1 Thr Limit x Sys 1 CSHALG_EEV_THROTTLE...

Страница 196: ...d at printer end Shield connect shield to Pin 5 of the connector Assembly and Wiring Assemble and wire all components as shown in Figure 51 Strip the outside insulation back several inches and individ...

Страница 197: ...tch 3 Replace flow switch 4 Remote cycling device open 4 Check cycling devices connected to terminals 13 and 14 of the XTBC1 Terminal Block LOW SUCTION PRESSURE FAULT 1 Improper suction pressure cutou...

Страница 198: ...rify compressor is not overloaded 2 External overload tripped 2 Determine cause and reset 3 HPCO switch open 3 See High Press Disch Fault 4 Defective HPCO switch 4 Replace HPCO switch 5 Defective CR r...

Страница 199: ...or motor which will result in failure of compressor CONDENSER FAN MOTORS Condenser fan motors are permanently lubricated and require no maintenance Condenser MCHX Dirt should not be allowed to accumul...

Страница 200: ...e coil with the vacuum nozzle air nozzle or any other hard tool 2 Rinse the coil with potable tap water Use a gentle spray from a spray nozzle with a plastic end Do not contact the coil with the hose...

Страница 201: ...ed on the 031 02630 IPU II board that maintains the date time and stores customer programmed setpoints Do not confuse JP1 on the IPU II 031 02630 board with JP1 on the I O 031 02550 board THERMAL DISP...

Страница 202: ...JOHNSON CONTROLS 202 FORM 150 72 ICOM6 ISSUE DATE 08 03 2022 SECTION 10 MAINTENANCE THIS PAGE IS INTENTIONALLY LEFT BLANK...

Страница 203: ...4 74 165 2 188 86 7 76 168 8 192 88 9 78 172 4 196 91 1 80 176 200 93 3 82 179 6 204 95 6 84 183 2 208 97 8 86 186 8 212 100 0 88 190 4 216 102 2 90 194 220 104 4 92 197 6 224 106 7 94 201 2 228 108 9...

Страница 204: ...30 120 41 20 28 125 43 22 26 130 45 24 24 135 47 26 20 140 49 28 18 145 51 30 16 150 53 32 14 160 57 34 12 170 60 36 10 180 64 38 8 190 67 40 6 200 70 42 4 210 73 44 3 220 76 46 2 225 78 48 0 235 80...

Страница 205: ...Celsius multiply by 5 9 or 0 5556 Example 10 0 F range x 0 5556 5 6 C range Table 37 SI METRIC CONVERSION MEASUREMENT MULTIPLY ENGLISH UNIT BY FACTOR TO OBTAIN METRIC UNIT Capacity Tons Refrigerant E...

Страница 206: ...nnsylvania USA 17349 1 800 524 1330 Subject to change without notice Printed in USA Copyright by Johnson Controls 2022 www johnsoncontrols com ALL RIGHTS RESERVED Form 150 72 ICOM6 822 Issue Date Augu...

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