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JOHNSON CONTROLS

176

Form 150.63-NM9

Issue date: 5/20/2021

SECTION 10 – MAINTENANCE

PSIG

TEMP

˚

F

PSIG

TEMP

˚

F

0

-60

78

20

2

-58

80

21

4

-54

85

24

6

-50

90

26

8

-46

95

29

10

-42

100

32

12

-39

105

34

14

-36

110

36

16

-33

115

39

18

-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

50

1

245

83

52

3

255

85

54

4

265

88

56

6

275

90

58

7

285

92

60

8

295

95

62

10

305

97

64

11

325

101

66

13

355

108

68

14

375

112

70

15

405

118

72

16

500

134

74

17

600

149

76

19

700

159

R410A

Pressure temperature chart

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Содержание YCUL0020

Страница 1: ...10A YCUL0020 YCUL0072 Air Cooled Scroll Compressor Condensing Units Style E 50 Hz and 60 Hz 15 ton to 80 ton 50 kW to 280 kW Air Cooled Scroll Compressor Condensing Units Installation Operation and Ma...

Страница 2: ...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 question...

Страница 3: ...nt has been modified and if current literature is available from the owner of the equipment before performing any work on the chiller Associated literature AFFECTED PAGES DESCRIPTION 42 Physical data...

Страница 4: ...JOHNSON CONTROLS 4 Form 150 63 NM9 Issue date 5 20 2021 THIS PAGE IS INTENTIONALLY LEFT BLANK...

Страница 5: ...ons 17 Power Panel 17 Discharge Pressure Transducers and Readout Capability 18 Basic Unit 23 SECTION 3 HANDLING AND STORAGE 29 Delivery and Storage 29 Inspection 29 Unit Rigging 29 SECTION 4 INSTALLAT...

Страница 6: ...Durulene Isolator Cross Reference 100 Installation of Durulene Vibration Isolators 101 SECTION 6 COMMISSIONING 103 Preparation Power Off 103 Preparation Power On 104 Equipment Pre Startup and Startup...

Страница 7: ...ring History Buffers 147 Service Mode 147 Service Mode Outputs 147 Service Mode Condensing Unit Configuration 148 Service Mode Analog and Digital Inputs 148 Control Inputs Outputs 149 Checking Inputs...

Страница 8: ...IGURE 20 Power Wiring Single Circuit 68 FIGURE 21 Power Wiring Single Circuit 70 FIGURE 22 Power Wiring Dual Circuit 73 FIGURE 23 Power Wiring Dual Circuit 74 FIGURE 24 Connection Wiring Single Circui...

Страница 9: ...ol for 4 Compressors 6 Steps 140 TABLE 19 YCUL0020 YCUL0072 Condenser Fan Control Using Outdoor Ambient Temperature and Discharge Pressure 143 TABLE 20 YCUL0045 YCUL0072 Condenser Fan Control Using Di...

Страница 10: ...JOHNSON CONTROLS 10 Form 150 63 NM9 Issue date 5 20 2021 THIS PAGE IS INTENTIONALLY LEFT BLANK...

Страница 11: ...ically and dynamically bal anced for vibration free operation They are directly driven and positioned for vertical air discharge The fan guards are constructed of heavy gauge rust resis tant PVC polyv...

Страница 12: ...lization of the machinery in accordance with the procedures detailed in the manuals About this Manual The following terms are used in this document to alert the reader to areas of potential hazard A W...

Страница 13: ...d maintenance on live equipment must only be per formed by suitably trained and qualified personnel No attempt should be made to gain access to the control panel or electrical enclosures during normal...

Страница 14: ...JOHNSON CONTROLS 14 Form 150 63 NM9 Issue date 5 20 2021 THIS PAGE IS INTENTIONALLY LEFT BLANK...

Страница 15: ...d at an ISO 9000 registered facility All exposed power wiring is routed through liquid tight non metallic conduit General System Description Compressors The condensing unit has suction gas cooled herm...

Страница 16: ...h the press to print button is provided to allow hard copy print outs through a separate printer by others Entry This section is used to enter setpoints or modify system values Setpoints Updating can...

Страница 17: ...TC memory for 5 years minimum Building Automation System Interface The Microprocessor Board can accept a 4 mA to 20 mA 0 VDC to 10 VDC or contact closure input to reset the discharge air temperature f...

Страница 18: ...ween 0 90 and 0 95 Control Options Ambient Kit Low Units will operate to 25 F 4 C This factory mount ed accessory includes all necessary components to permit chiller operation to 0 F 18 C This option...

Страница 19: ...these or the post coated coils below are recommended for units being installed at the seashore or where salt spray may hit the unit Post Coated Dipped Condenser Coils The unit s coils are constructed...

Страница 20: ...motors are used with steeper pitch fans on these factory mounted devices Vibration Isolators Level adjusting spring type 1 in 25 4 mm or seismic deflection or neoprene pad isolators for mounting un d...

Страница 21: ...uct description Form 150 63 NM9 Issue date 5 20 2021 2 Figure 3 Control Power Panel Components Single System Units LD28297 CIRCUIT BREAKER KEYPAD AND DISPLAY UNIT SWITCH COMPRESSOR CONTACTORS USER TER...

Страница 22: ...m 150 63 NM9 Issue date 5 20 2021 Section 2 Product description Power panel control components Figure 4 Control Power Panel Components Dual System Units TB1 CTB1 COMPRESSOR CONTACTS TERMINAL BLOCK FAN...

Страница 23: ...ION DESCRIPTION MODEL Model PIN 1 4 YCUL Ycul CAP Capacity PIN 5 8 0020 0020 0024 0024 0031 0031 0035 0035 0045 0045 0051 0051 0055 0055 0065 0065 0072 0072 UNIT Unit Designator PIN 9 E High efficienc...

Страница 24: ...North American safety code cUL cETL SENSOR PIN 25 X No option required Q Special quote PUMP Motor Current Module PIN 26 X No motor current readout required C Motor current readout Q Special quote REMO...

Страница 25: ...al quote COILS Coils PIN 45 X Aluminum coil B Pre coated fin coil C Copbeforecoil P Post coated dipped coil Q Special coil PIN46 PIN 46 X No option required Q Special quote FANMOTORS Fan Motors PIN 47...

Страница 26: ...containerization required A Buy American Act compliance B Both Buy American Act compliance and container shipping kit factory prep C Container shipping kit factory load P Container shipping kit factor...

Страница 27: ...UID LINE SERVICE VALVE LIQUID LINE SOLENOID VALVE TXV SIGHT GLASS MOISTURE INDICATOR SOLENOID OPERATED HOT GAS BYPASS VALVE YCUL REFRIGERANT FLOW DIAGRAM NOTE YCUL0046 0090 HAVE TWO REFRIGERANT SYSTEM...

Страница 28: ...Only Service Ball Valve Expansion Valve Solenoid Valve Sight Glass Sensor Pressure or Temperature Service Stop Access Valve Pressure Switch Filter Drier Removable Core Components Smaller Compressor S...

Страница 29: ...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 It is recommended that the unit is periodically in s...

Страница 30: ...d be used in order to pre vent damage to the unit from the lifting chains Units are provided with lifting eyes in the sides of the base frame which can be attached to directly using shackles or safety...

Страница 31: ...intended and snow accumulations are expected additional height must be provided to ensure normal condenser air flow Clearances are listed in the Dimensions English section Foundation The unit should...

Страница 32: ...unit Where cross winds may occur any duct work must be supported to prevent side loading on the unit If the ducts from two or more fans are to be combined into a common duct back flow dampers should...

Страница 33: ...2 13 13 20 21 14 13 51 13 50 CBT1 Single Dry Contact Remote Emergency Cutoff Immediate shutdown of the chiller can be accomplished by opening a field installed dry contact to break the electrical circ...

Страница 34: ...mally open contacts that can be used to switch field supplied power to provide a start signal to the evaporator blower contactor Contacts will close whenever the daily schedule is programmed for cooli...

Страница 35: ...3 ft 1 6 m 1 1 8 in 29 mm 2 7 ft 0 8 m 1 9 ft 0 6 m 1 3 8 in 35 mm 3 2 ft 1 m 2 2 ft 0 7 m 1 5 8 in 41 mm 3 8 ft 1 2 m 2 6 ft 8 m 2 1 8 in 54 mm 5 2 ft 1 6 m 3 4 ft 1 m 2 5 8 in 67 mm 6 5 ft 20 m 4 2...

Страница 36: ...iser should be used to ensure probeforeoil return to the compressor on all vertical suction risers Oil returning up the riser moves up the inner surface of the pipe and depends on the mass velocity of...

Страница 37: ...sed for listed pipe sizes to pro vide adequate oil return at reduced loads The calculat ed information was based on maintaining a minimum of 1000 fpm 5 08 m s refrigerant vapor velocity at full load C...

Страница 38: ...result of the chilled liquid freezing LD07719 Power Panel Control Panel Terminal Block NF Disconnect SW or Circuit Breaker 1L1 1L2 1L3 GRD MICROPANEL 2 L CTB2 13 14 CTB1 Field Provided Unit Power Sup...

Страница 39: ...an be supplying the unit power panel To prevent serious injury or death the technician should verify that NO LETHALVOLTAGES are present inside the panel AFTER disconnecting power before working on equ...

Страница 40: ...JOHNSON CONTROLS 40 Form 150 63 NM9 Issue date 5 20 2021 THIS PAGE IS INTENTIONALLY LEFT BLANK...

Страница 41: ...act your nearest Johnson Controls Office for application requirements 2 For leaving water temperature higher than 55 F 12 8 C contact the nearest Johnson Controls Office for application guidelines 3 T...

Страница 42: ...1781 2004 2240 3300 3326 3673 3685 4703 Operating Weight Alum Fin Coils lb 1471 1592 1838 2079 2967 3001 3233 3245 4142 CopbeforeFin Coils lb 1614 1806 2044 2285 3325 3359 3710 3722 4748 Nominal Comp...

Страница 43: ...g Weight Alum Fin Coils kg 659 5 710 8 815 6 922 6 1334 5 1346 3 1449 7 1455 1 1858 4 CopbeforeFin Coils kg 724 4 807 8 909 1016 1496 9 1508 6 1666 1671 5 2133 2 Operating Weight Alum Fin Coils kg 667...

Страница 44: ...ng the unit power panel To prevent serious injury or death the technician should verify that NO LETHALVOLTAGES are present inside the panel AFTER disconnecting power before working on equipment The un...

Страница 45: ...ed in the circuit Otherwise HACR type circuit breakers must be used Maximum HACR circuit breaker rating is based on 225 of the rated load amps for the largest motor plus 100 of the rated load amps fo...

Страница 46: ...0 60 81 100 90 110 32 239 32 239 2 4 5 22 3 400 50 68 100 80 90 26 4 198 26 4 198 2 4 19 460 60 67 100 80 90 26 4 187 26 4 187 2 3 4 17 2 575 60 54 60 60 70 21 1 148 21 1 148 2 2 9 14 6 0045 200 60 22...

Страница 47: ...3 1 400 50 114 150 125 125 23 7 198 23 7 198 2 3 4 17 5 23 7 198 23 7 198 2 3 4 17 5 460 60 130 150 150 150 26 9 187 26 9 187 2 4 19 26 9 187 26 9 187 2 4 19 575 60 112 150 125 125 23 7 148 23 7 148 2...

Страница 48: ...50 kcmil 2 2 3 0 250 kcmil 60 230 1 6 AWG 350 kcmil 2 2 3 0 250 kcmil 2 2 3 0 250 kcmil 60 380 1 14 AWG 2 0 1 4 AWG 300 kcmil 1 4 AWG 300 kcmil 50 400 1 14 AWG 2 0 PB 0800 1 4 AWG 300 kcmil 1 4 AWG 30...

Страница 49: ...Compressor Contactor Including Coil Suppressor KCR Control Relay KP Pump Contactor Part Including Coil Suppressor KT Relay Timer M Compressor Motor MF Motor Fan DESIGNATION DESCRIPTION MP Motor Pump N...

Страница 50: ...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 replaced by a link across terminals 134 and 135 2 B...

Страница 51: ...parate fuse for units w 4 or more fans beforesystem 28 Low ambient kit FSC for fan MF1 is only fitted on systems with less than 4 fans 29 30 31 Input dual point circuit breaker option replaces input t...

Страница 52: ...0 63 NM9 Issue date 5 20 2021 Section 5 Technical data Figure 12 Control Wiring Diagram Single Circuit IPU II YCUL0020 YCUL0035 Low sound YCUL0031 0035 Ultra low sound 460 V and 380 415 V 50 Hz 035 21...

Страница 53: ...JOHNSON CONTROLS 53 Section 5 Technical data Form 150 63 NM9 Issue date 5 20 2021 5...

Страница 54: ...N CONTROLS 54 Form 150 63 NM9 Issue date 5 20 2021 Section 5 Technical data YCUL0031 0035 Ultra low sound 200 V 230 V 380 V and 575 V 035 21585 401 REV Figure 13 Control Wiring Diagram Single Circuit...

Страница 55: ...JOHNSON CONTROLS 55 Section 5 Technical data Form 150 63 NM9 Issue date 5 20 2021 5...

Страница 56: ...6 Form 150 63 NM9 Issue date 5 20 2021 Section 5 Technical data Figure 14 Control Wiring Diagram Dual Circuit IPU II YCUL0045 YCUL0055 Low sound YCUL0045 0072 Ultra low sound 460 V and 380 415 V 50 Hz...

Страница 57: ...JOHNSON CONTROLS 57 Section 5 Technical data Form 150 63 NM9 Issue date 5 20 2021 5...

Страница 58: ...Form 150 63 NM9 Issue date 5 20 2021 Section 5 Technical data YCUL0065 YCUL0072 Low sound YCUL0045 0072 Ultra low sound 200 V 230 V 380 V and 575 V 035 21586 401 REV Figure 15 Control Wiring Diagram...

Страница 59: ...JOHNSON CONTROLS 59 Section 5 Technical data Form 150 63 NM9 Issue date 5 20 2021 5...

Страница 60: ...n install a cycling device in series with the flow switch See note 2 for con tact rating and wiring specifications 4 To stop unit emergency stop with contacts other than those shown install the stop c...

Страница 61: ...JOHNSON CONTROLS 61 Section 5 Technical data Form 150 63 NM9 Issue date 5 20 2021 5...

Страница 62: ...o cycle unit on and off automatically with contact shown install a cycling device in series with the flow switch See note 2 for contact rating and wiring specifications 4 To stop unit emergency stop w...

Страница 63: ...JOHNSON CONTROLS 63 Section 5 Technical data Form 150 63 NM9 Issue date 5 20 2021 5...

Страница 64: ...4 Form 150 63 NM9 Issue date 5 20 2021 Section 5 Technical data Power options connection diagrams Figure 18 Power Wiring Single Circuit YCUL0020 YCUL0024 Low sound 200 V 230 V 380 V 460 V and 575 V 03...

Страница 65: ...JOHNSON CONTROLS 65 Section 5 Technical data Form 150 63 NM9 Issue date 5 20 2021 5...

Страница 66: ...CONTROLS 66 Form 150 63 NM9 Issue date 5 20 2021 Section 5 Technical data Power options connection diagrams Figure 19 Power Wiring Single Circuit YCUL0020 YCUL0024 Low sound 380 415 V 3 50 035 21487...

Страница 67: ...JOHNSON CONTROLS 67 Section 5 Technical data Form 150 63 NM9 Issue date 5 20 2021 5...

Страница 68: ...OLS 68 Form 150 63 NM9 Issue date 5 20 2021 Section 5 Technical data Figure 20 Power Wiring Single Circuit YCUL0031 YCUL0035 Low sound YCUL0031 YCUL0035 Ultra low sound 460 V and 380 415 V 3 50 035 21...

Страница 69: ...JOHNSON CONTROLS 69 Section 5 Technical data Form 150 63 NM9 Issue date 5 20 2021 5...

Страница 70: ...JOHNSON CONTROLS 70 Form 150 63 NM9 Issue date 5 20 2021 Section 5 Technical data Figure 21 Power Wiring Single Circuit YCUL0031 YCUL0035 Ultra low sound 200 V 230 V 380 V and 575 V 035 21585 102 REV...

Страница 71: ...JOHNSON CONTROLS 71 Section 5 Technical data Form 150 63 NM9 Issue date 5 20 2021 5...

Страница 72: ...TROLS 72 Form 150 63 NM9 Issue date 5 20 2021 Section 5 Technical data YCUL0045 YCUL0055 Low sound YCUL0045 0072 Ultra low sound 460 V and 380 415 V 50 Hz 035 21447 102 REV A Figure 22 Power Wiring Du...

Страница 73: ...JOHNSON CONTROLS 73 Section 5 Technical data Form 150 63 NM9 Issue date 5 20 2021 5...

Страница 74: ...ROLS 74 Form 150 63 NM9 Issue date 5 20 2021 Section 5 Technical data Figure 23 Power Wiring Dual Circuit YCUL0065 YCUL0072 Low sound YCUL0045 0072 Ultra low sound 200 V 230 V 380 V and 575 V 035 2102...

Страница 75: ...JOHNSON CONTROLS 75 Section 5 Technical data Form 150 63 NM9 Issue date 5 20 2021 5...

Страница 76: ...HNSON CONTROLS 76 Form 150 63 NM9 Issue date 5 20 2021 Section 5 Technical data YCUL0020 YCUL0024 Low sound 200 V 230 V 380 V 460 V and 575 V 035 21487 404 REV Figure 24 Connection Wiring Single Circu...

Страница 77: ...JOHNSON CONTROLS 77 Section 5 Technical data Form 150 63 NM9 Issue date 5 20 2021 5...

Страница 78: ...JOHNSON CONTROLS 78 Form 150 63 NM9 Issue date 5 20 2021 Section 5 Technical data YCUL0020 YCUL0024 Low sound 380 415 V 3 50 035 21487 406 REV Figure 25 Connection Wiring Single Circuit...

Страница 79: ...JOHNSON CONTROLS 79 Section 5 Technical data Form 150 63 NM9 Issue date 5 20 2021 5...

Страница 80: ...S 80 Form 150 63 NM9 Issue date 5 20 2021 Section 5 Technical data 035 21472 404 REV Figure 26 Connection Wiring Single Circuit YCUL0031 YCUL0035 Low sound YCUL0031 YCUL0035 Ultra low sound 460 V and...

Страница 81: ...JOHNSON CONTROLS 81 Section 5 Technical data Form 150 63 NM9 Issue date 5 20 2021 5...

Страница 82: ...HNSON CONTROLS 82 Form 150 63 NM9 Issue date 5 20 2021 Section 5 Technical data 035 21585 404 REV Figure 27 Connection Wiring Single Circuit YCUL0031 YCUL0035 Ultra low sound 200 V 230 V 380 V and 575...

Страница 83: ...JOHNSON CONTROLS 83 Section 5 Technical data Form 150 63 NM9 Issue date 5 20 2021 5...

Страница 84: ...ROLS 84 Form 150 63 NM9 Issue date 5 20 2021 Section 5 Technical data YCUL0045 YCUL0055 Low sound YCUL0045 0072 Ultra low sound 460 V and 380 415 V 50 Hz 035 21447 404 REV Figure 28 Connection Wiring...

Страница 85: ...JOHNSON CONTROLS 85 Section 5 Technical data Form 150 63 NM9 Issue date 5 20 2021 5...

Страница 86: ...OLS 86 Form 150 63 NM9 Issue date 5 20 2021 Section 5 Technical data Figure 29 Connection Wiring Dual Circuit YCUL0065 YCUL0072 Low sound YCUL0045 0072 Ultra low sound 200 V 230 V 380 V and 575 V 035...

Страница 87: ...JOHNSON CONTROLS 87 Section 5 Technical data Form 150 63 NM9 Issue date 5 20 2021 5...

Страница 88: ...dictable airflow patterns and possible diminished performance Johnson Controls unit controls will optimize operation without nuisance high pressure safety cutouts however the system designer must cons...

Страница 89: ...nsions Suction In 37 7 37 7 6 2 3 9 48 7 48 7 52 7 44 4 53 7 Liquid Out 31 7 31 7 23 1 34 6 72 9 72 9 85 1 85 1 77 6 System 2 Dimensions Suction In 41 6 41 6 35 1 35 1 33 3 Liquid Out 17 3 17 3 14 1 1...

Страница 90: ...flow patterns and possible diminished performance Johnson Controls unit controls will optimize operation without nuisance high pressure safety cutouts however the system designer must consider potenti...

Страница 91: ...127 8 1364 0 Liquid Out 805 2 805 2 586 7 878 8 1851 7 1851 7 2161 5 2161 5 1971 0 System 2 Dimensions Suction In 1056 6 1056 6 891 5 891 5 845 8 Liquid Out 439 4 439 4 358 1 358 1 381 0 D1 772 2 772...

Страница 92: ...20 2021 Section 5 Technical data Clearances Notes 1 No obstructions allowed above the unit 2 Only one adjacent wall may be higher than the unit 3 Adjacent units should be 10 ft 3 m apart LD13243 Figur...

Страница 93: ...acked with the isolators and also 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 t...

Страница 94: ...1 Section 5 Technical data Isolator locations English 60 Hz model YCUL0020EE YCUL0024EE YCUL0031EE YCUL0035EE Isolator location dimensions I1 17 17 17 17 I2 104 2 104 2 113 3 113 3 A 1 1 1 1 1 1 1 1 B...

Страница 95: ...ate 5 20 2021 5 Isolator locations SI 50 Hz model YCUL0020EE 3YCUL0024EE YCUL0031EE YCUL0035EE Isolator location dimensions I1 431 8 431 8 431 8 431 8 I2 2646 7 2646 7 2877 8 2877 8 A 27 9 27 9 27 9 2...

Страница 96: ...1 1D 120 120 1 200 DK YELLOW CP1 1D 175 175 1 170 DK BLUE CP1 1D 250 250 1 400 YELLOW CP1 1D 340 340 1 130 RED CP1 1D 510 510 1 020 BLACK CP1 1D 675 675 1 320 DK PURPLE CP1 1D 900 900 1 020 DK GREEN C...

Страница 97: ...me 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 top of isolators making sure that mo...

Страница 98: ...CODE ALLOWABLE G RATING HORIZONTAL Y2RSI 2D 150 150 2 4 62 234 WHITE 34 7 Y2RSI 2D 320 320 2 3 140 490 YELLOW 16 3 Y2RSI 2D 460 460 2 3 200 688 GREEN 11 3 Y2RSI 2D 710 710 2 2 330 1072 DK BROWN 7 3 Y...

Страница 99: ...osition equipment on top of plate A of isolator Bolt equipment securely to top plate of isolator using a minimum of two 5 8 UNC A325 grade 5 SAE bolts or weld equipment or bracket to the top plate A o...

Страница 100: ...PACITY LB RATED DEFLECTION IN DURO 5 RD2 Light Blue WR 35 0 4 30 RD2 Brown WR 45 0 4 40 RD2 Brick Red WR 70 0 4 50 RD 2 Lime WR 120 0 4 60 MODEL NUMBER RATED CAPACITY LB RATED DEFLECTION IN DURO 5 RD2...

Страница 101: ...ub 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 or grout as re quired leveling...

Страница 102: ...JOHNSON CONTROLS 102 Form 150 63 NM9 Issue date 5 20 2021 THIS PAGE IS INTENTIONALLY LEFT BLANK...

Страница 103: ...to pressure transducers Open the liquid line service valve and oil return line ball valve fully in each system Compressor oil To add oil to a circuit 1 Connect a YORK hand oil pump Part No 470 10654...

Страница 104: ...at the condensing unit OFF ON UNIT switch at the bottom of the keypad is OFF Place the optional circuit breaker handle on the panel door to ON The customer s disconnection devices can now be set to ON...

Страница 105: ...20 VAC plus or minus 10 3 Program verify the cooling setpoints program setpoints and unit options Record the values in Table 11 see sections on Setpoints and Unit Keys for programming instruction in T...

Страница 106: ...hat the discharge pressure rises and the suc tion pressure decreases If this does not occur the compressor being tested is operating in the reverse direction and must be corrected After verifying prop...

Страница 107: ...perheat should typically be set for no less than 10 F with only a single compressor running on a circuit The superheat is calculated as the difference between the actual temperature of the returned re...

Страница 108: ...JOHNSON CONTROLS 108 Form 150 63 NM9 Issue date 5 20 2021 THIS PAGE IS INTENTIONALLY LEFT BLANK...

Страница 109: ...s such as pressure transducers and temperature sensors are connected directly to the Microprocessor Board The Microprocessor Board circuitry multiplexes the ana log inputs digitizes them and scans the...

Страница 110: ...es temperatures compressor running times and starts option information on the chiller and system setpoints This data is useful for monitoring chiller op eration diagnosing potential problems troublesh...

Страница 111: ...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 or RCC has turned the unit OFF not allowing it to run D A I L Y S C H E D U L E S H U T D O W...

Страница 112: ...roboard will auto matically unload the affected system by de energizing one compressor The discharge pressure unload will occur when the discharge pressure gets within 15 psig of the programmed discha...

Страница 113: ...be installed for this function to operate S Y S 1 L O W S U C T P R E S S S Y S 2 L O W S U C T P R E S S The Suction Pressure Cutout is a software cutout that helps protect the unit from a coil freez...

Страница 114: ...R C U R R When the System Current Feedback option is installed and selected Option 11 under OPTIONS key Current Feedback this safety will operate as follows If the actual feedback voltage of the syste...

Страница 115: ...values which may not be the desired operating values Once a faulty battery is detected the unit will be prevented from running until the PRO GRAM key is pressed Once PROGRAM is pressed the anti recyc...

Страница 116: ...chedule Shutdown Flow Switch Rem Stop No Run Permissive System X Switch Off System X Comps Run System X AR Timer System X AC Timer System X Disch Limiting System X Suction Limiting System X Percentage...

Страница 117: ...ed under the ENTRY section System 2 information will only be dis played for 2 system units With the UNIT TYPE set as a condensing unit via jumbeforebetween J11 7 and J11 12 on the I O Board the follow...

Страница 118: ...can be logged before the counter rolls over to 0 L O A D T I M E R 5 8 S E C U N L O A D T I M E R 0 S E C This display of the load and unload timers indicate the time in seconds until the unit can lo...

Страница 119: ...F S Y S X F A N S T A G E 3 S Y S X A M P S 3 6 0 V O L T S 0 8 The preceding five messages will appear sequentially first for system 1 then for system 2 The first message indicates the system and the...

Страница 120: ...a printout Pressing the PRINT key and then OBeforeDATA key allows the operator to obtain a printout of current sys tem operating parameters When the OBeforeDATA key is pressed a snapshot will be taken...

Страница 121: ...memory battery backup is built into the circuit board or manual resetting of a fault lock out When the HISTORY key is pressed a printout is trans mitted of all system operating conditions which were...

Страница 122: ...I T F A U L T L O W S U C T P R E S S Displays the type of fault that occurred U N I T T Y P E C O N D E N S I N G U N I T Displays the type of unit Liquid Condensing Unit or Heat Pump A M B I E N T C...

Страница 123: ...mmed Setpoint and Range if the unit is programmed for Discharge Air Control S Y S 1 SP X X X X P S I G R A N G E X X X P S I G S Y S 2 SP X X X X P S I G R A N G E X X X P S I G Displays the SP Setpoi...

Страница 124: ...T FEEDBACK ONE BeforeSYSTEM must be programmed under the OPTIONS key If the microboard is programmed as one CURRENT FEEDBACK ONE BeforeUNIT un der the PROGRAM key the display will be the first display...

Страница 125: ...UP and DOWN arrow keys The 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 dai...

Страница 126: ...mbeforebetween J11 7 and J11 12 on the I O Board The following are the four possible messages that can be displayed after pressing the COOLING SETPOINT key indicating the cooling mode L O C A L D I S...

Страница 127: ...setpoints in Suction Pressure Control are the suction pressures of each individual system on the condensing Unit and will control to within plus or minus the cooling range On two system units each sys...

Страница 128: ...ADVANCE DAY key will display the Holiday schedule This is a two part display The first reads H O L S T A R T 0 0 0 0 A M S T O P 0 0 0 0 A M The times may be set using the same procedure as de scribe...

Страница 129: ...a system starts The timer begins to count down If all the compressors in the circuit cycle OFF a compressor within the cir cuit will not be permitted to start until the anti recycle timer has timed o...

Страница 130: ...AC system trip volts For individual system high current trip programming on 460 VAC units Add the sum of the compressor and fan RLA s in the system Multiply the sum by 1 25 Divide by 225 A The resulti...

Страница 131: ...6 C 3 9 C LOW AMBIENT 0 F 60 0 F 25 0 F 17 8 C 15 6 C 3 9 C ANTI RECYCLE TIMER 300 s 600 s 600 s FAN CONTROL ON PRESSURE 360 psig 485 psig 385 psig 24 8 barg 33 4 barg 26 5 barg FAN DIFFERENTIAL OFF...

Страница 132: ...enter to adv Local Remote Discharge Mon Sun Discharge Air or Suction Pressure Pressure Control Mode Schedule Cutout Display Only Suction Setpoint Holiday Pressure Schedule Cutout Range Remote Setpoint...

Страница 133: ...System Display is similar S Y S 1 S W I T C H O N S Y S 2 S W I T C H O N This allows both systems to run or S Y S 1 S W I T C H O N S Y S 2 S W I T C H O F F This turns system 2 OFF S Y S 1 S W I T C...

Страница 134: ...in Impe rial units of F or psig or D I S P L A Y U N I T S S I This mode displays system operating values in Scien tific International units of C or barg Option 7 Lead Lag Type two system units only...

Страница 135: ...r C U R R E N T F E E D B A C K O N E P E R S Y S T E M This mode should be selected when an optional mod ule is installed to allow individual current monitoring of each system SYS 1 input is to J7 4...

Страница 136: ...nto the Flash Card input port Turn off the unit switch and set the FLASH CARD UPDATE TO ENABLED using the and keys F L A S H C A R D U P D A T E E N A B L E D Press the ENTER key and the following mes...

Страница 137: ...portant that the date and time be correct other wise the daily schedule will not function as desired if programmed In addition for ease of troubleshooting via the History printouts the day time and da...

Страница 138: ...ammed for Thermostatic Flash Card Update Remote Temp Reset Ambient Control Standard or Low Local Remote Mode Unit Control Mode DAT or Suct Press Display Units English or Metric System Lead Lag Control...

Страница 139: ...the optional suction pressure transducers are installed Discharge pressure limit controls The discharge pressure limit controls unload a system before it reaches a safety limit due to high load or dir...

Страница 140: ...Bypass solenoid is energized only when the lead compressor is running and the DAT is less than SP the Hot Gas Bypass solenoid is turned OFF when the DAT is more than SP CR 2 2 Step 3 is skipped when l...

Страница 141: ...uction pressure falls below the Setpoint High Limit and greater than the Setpoint Low Limit load ing and unloading do not occur This area of control is called the control range If the suction pressure...

Страница 142: ...art until the anti recycle timer has timed out If the lead system has run for less than five minutes three times in a row the anti recycle timer will be extended to 10 minutes Anti coincidence timer T...

Страница 143: ...fan power wiring also changes FAN STAGE ON OFF CONTACTOR I O BOARD OUTPUT FAN SYS 1 SYS 2 SYS 1 SYS 2 SYS 1 SYS 2 1 1 FAN FWD OAT 25 F 3 9 C OR DP Fan Ctrl On Press OAT 20 F 6 7 C AND DP Fan Ctrl On...

Страница 144: ...l On Press Diff Press 20 psig 1 38 barg 8M 11M TB7 9 TB10 9 3 FWD 4 FWD 3 2 FANS FWD DP Fan Ctrl On Press 40 psig 2 76 barg DP Fan Ctrl On Press Diff Press 40 psig 2 76 barg 8M 9M 11M 12M TB7 9 TB7 10...

Страница 145: ...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 limiting is either 40 or 33 and is only available on 3 5 and 6...

Страница 146: ...Reset Value 20 F 11 11 C Input Signal 6 VDC English Reset 6 VDC x 20 F 12 F Reset 10 New Setpoint 45 F 12 F 57 F Metric Reset 6 VDC x 11 11 C 6 67 C Reset 10 New Setpoint 7 22 C 6 67 C 13 89 C Max Re...

Страница 147: ...the display as the LLSV is energized Ener gizing and de energizing outputs may be useful during troubleshooting Section 9 Service and troubleshooting Clearing history buffers The history buffers may...

Страница 148: ...rs for each system All values can also be changed using the UP and DOWN arrow keys but under normal circumstances would not be required or advised After the last start display the microboard will disp...

Страница 149: ...Sys J13 8 CR1 Sys 1 Motor Protector High Pressure Cutout J13 10 CR2 Sys 2 Motor Protector High Pressure Cutout Table 25 I O Digital Outputs TB7 2 SYS 1 Compressor 1 TB7 3 SYS 1 Liquid Line Solenoid V...

Страница 150: ...OLS 150 Form 150 63 NM9 Issue date 5 20 2021 Section 9 Service and troubleshooting Figure 43 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 BOAR...

Страница 151: ...ar 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 refere...

Страница 152: ...suction pressure transducers are standard on all YCUL s The suction pressure transducers have a range of 0 psig to 400 psig The output will be linear from 0 5 VDC to 4 5 VDC over the 400 psig 27 5 bar...

Страница 153: ...ply to transducer J9 11 VDC input signal to the microboard See the formula above for voltage readings that correspond to specific discharge pressures J9 7 5 VDC return J9 2 drain shield connection 0 V...

Страница 154: ...TB7 2 SYS 1 COMP 2 TB7 4 SYS 1 COMP 3 TB7 5 TB7 3 LLSV 1 TB8 6 EVAP PUMP TB8 7 TB7 SYS 2 HGSV TB10 7 SYS 2 FAN 2 TB10 8 TB10 9 TB10 10 SYS 2 FAN 4 TB10 TB8 TB10 SYS 2 COMPR 1 4 TB10 2 LLSV 2 TB10 3 SY...

Страница 155: ...950915576 The cable to connect the printer can either be locally assembled from the parts listed or ordered directly from WEIGH TRONIX under part number 287 040018 Parts The following parts are requi...

Страница 156: ...r Proving switch is installed according to manufacturer s instructions 3 Defective Air Proving switch 3 Replace Air Proving switch 4 Remote cycling device open 4 Check cycling devices connected to ter...

Страница 157: ...No problem Consult Installation Manual to aid in understanding compressor operation and capacity control 2 Defective water temperature sensor 2 Compare the display with a thermometer Should be within...

Страница 158: ...JOHNSON CONTROLS 158 Form 150 63 NM9 Issue date 5 20 2021 THIS PAGE IS INTENTIONALLY LEFT BLANK...

Страница 159: ...d be taken and analyzed If contaminants are present the system must be cleaned to prevent compressor failure Never use the scroll compressor to pump the refrigerant system down into a vacuum Doing so...

Страница 160: ...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 46 on page 161 for TB1 TB2 and TB3 locations In most cases communicatio...

Страница 161: ...1200 76800 4800 1200 4800 9600 19200 38400 76800 AUTO SELECTABLE P2 BAUD RATE 1200 57600 1200 1200 4800 9600 19200 38400 57600 SELECTABLE P1 P2 MANUAL Mac ADDRESS 1 127 1 P1 P2 PARITY NONE IGNORE NONE...

Страница 162: ...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 s...

Страница 163: ...OINTS 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 35 for complete...

Страница 164: ...R_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 04 x10 A...

Страница 165: ...4 x10 ADF 56 F diff C diff Sys 1 Discharge Superheat EEV O O O 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...

Страница 166: ...Num BACnet Name BACnet Object Instance Modbus Address Modbus Data Type Supported Modbus Scaling See Note 5 N2 Metasys Engineering Units Point List Code S Standard O Optional N Not Available NOTES Uni...

Страница 167: ...essure 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 Cool...

Страница 168: ...ntrol values Table 36 YorkTalk 2 Communications Data Map lists the control parameters These values are found un der feature 54 in the MicroGateway or E Link Transmitted Data After receiving a valid tr...

Страница 169: ...01p015 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 YT2...

Страница 170: ...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_swit...

Страница 171: ...1 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 172: ...2_ 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 01...

Страница 173: ...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 nvoYTS0...

Страница 174: ...hedule 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 Limiti...

Страница 175: ...92 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 96 204 8 232 111 1 98 208 4 2...

Страница 176: ...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 5...

Страница 177: ...JOHNSON CONTROLS 177 Form 150 63 NM9 Issue date 5 20 2021 Notes...

Страница 178: ...Pennsylvania USA 17349 1 800 524 1330 Subject to change without notice Printed in USA Copyright by Johnson Controls 2021 www johnsoncontrols com ALL RIGHTS RESERVED Form 150 63 NM9 521 Issue Date May...

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