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Johnson Controls L-Series, Engineering Manual

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Johnson Controls L-Series Engineering Manual Download Page 28

FORM 145.05-EG2 (618)

28

JOHNSON CONTROLS

TABLE 14 - 

LSWU070

AIR FLOW 28,000 CFM

EDB EWB

EWT

80

LWT

90 EWT

80

LWT

92 EWT

85

LWT

95

TMBH SMBH LDB LWB COMP 

KW

WATER 

FLOW 

GPM

TMBH SMBH LDB LWB COMP 

KW

WATER 

FLOW 

GPM

TMBH SMBH LDB LWB COMP 

KW

WATER 

FLOW 

GPM

75

62 803.8 693.4 52.5 51.9 42.7 189.9 798.1 690.4 52.6 52.0 43.6 157.8 788 685.3 52.8 52.1 45.0 188.3

75

67 856.6 542.8 57.7 57.4 43.5 201.0 849.3 539.9 57.8 57.5 44.3 166.8 839 535.8 57.9 57.6 45.7 199.0

75

72

926 389.9 62.9 62.8 44.6 215.7 918.7 387.3 63.0 62.9 45.4 179.0 908.4 383.7 63.1 63.0 46.7 213.6

80

62 831.1 821.8 53.2 51.5 43.3 195.7 825.6 818.4 53.3 51.5 44.1 162.7 816.3 811.5 53.5 51.7 45.5 194.3

80

67

861 690.4 57.8 57.3 43.6 202.0 855.9 688.6 57.8 57.4 44.5 167.9 845.5 684 58.0 57.5 45.8 200.4

80

72 928.4 538.3 63.0 62.7 44.7 216.2 920.4 535.4 63.1 62.8 45.5 179.3 910.2 531.8 63.2 62.9 46.8 214.0

85

62 879.9 879.9 56.2 50.8 44.1 206.1 874

874 56.4 50.8 44.9 171.2 865.1 865.1 56.7 51.0 46.3 204.6

85

67 891.2 828 58.2 56.9 44.2 208.4 884.5 824.6 58.3 57.0 45.1 173.0 874.6 819.5 58.5 57.1 46.4 206.6

85

72 929.9 685.6 63.1 62.7 44.7 216.5 923.7 683.3 63.2 62.7 45.5 179.8 911.1 678.5 63.3 62.9 46.8 214.1

AIR FLOW 28,000 CFM

EDB EWB

EWT

85

LWT

97 EWT

90

LWT

100 EWT

90

LWT

102

TMBH SMBH LDB LWB COMP 

KW

WATER 

FLOW 

GPM

TMBH SMBH LDB LWB COMP 

KW

WATER 

FLOW 

GPM

TMBH SMBH LDB LWB COMP 

KW

WATER 

FLOW 

GPM

75

62 782.4 682.3 52.9 52.2 45.9 156.5 772.3 677.1 53.0 52.3 47.4 186.8 765.7 673.7 53.1 52.4 48.3 155.1

75

67 832.6 533.3 58.0 57.7 46.5 165.2 820.8 528.7 58.1 57.9 48.0 196.9 813.5 525.8 58.2 58.0 48.9 163.4

75

72 900.4 380.9 63.2 63.1 47.6 177.1 887.5 376.3 63.4 63.2 49.0 210.9 881 374.1 63.4 63.3 50.0 175.3

80

62 810.9 807.9 53.7 51.8 46.4 161.5 801.7 800.8 53.9 51.9 47.9 193.0 795.3 795.1 54.1 52.0 48.9 160.3

80

67 838.6 681 58.1 57.6 46.7 166.3 829.1 677.1 58.2 57.7 48.1 198.7 821.9 673.7 58.3 57.8 49.1 164.9

80

72 902.3 528.9 63.3 63.0 47.7 177.5 891.1 524.9 63.4 63.1 49.1 211.7 883.1 522.1 63.5 63.2 50.0 175.6

85

62 859.2 859.2 56.9 51.1 47.2 170.0 850.3 850.3 57.2 51.2 48.6 203.2 844.1 844.1 57.4 51.3 49.6 168.9

85

67 867.8 816 58.5 57.2 47.3 171.5 857.9 810.8 58.7 57.3 48.7 204.8 851.2 807.3 58.8 57.4 49.7 170.1

85

72 904.8 676.1 63.4 62.9 47.7 177.9 892.6 671.6 63.5 63.1 49.1 212.0 883.8 668.3 63.6 63.2 50.2 175.8

HIGH EFFICIENCY - AIR FLOW 23,400 CFM

EDB EWB

EWT

80

LWT

90 EWT

80

LWT

92 EWT

85

LWT

95

TMBH SMBH LDB LWB COMP 

KW

WATER 

FLOW 

GPM

TMBH SMBH LDB LWB COMP 

KW

WATER 

FLOW 

GPM

TMBH SMBH LDB LWB COMP 

KW

WATER 

FLOW 

GPM

75

62 822.6 666.5 49.3 49.2 43.0 193.9 815.7 663.1 49.4 49.3 43.9 160.9 806.2 658.5 49.6 49.5 45.3 192.1

75

67 879.6 528.8 54.9 54.8 43.9 205.9 873.3 526.2 55.1 55.0 44.7 171.0 860.7 521.1 55.2 55.1 46.1 203.6

75

72 954.6 395.2 60.5 60.4 45.1 221.7 946.1 392 60.6 60.5 46.0 183.8 933.8 387.6 60.7 60.6 47.3 219.0

80

62 849.1 799.5 48.8 48.8 43.6 199.6 842.7 796.1 49.0 48.9 44.5 165.8 833.5 791.3 49.2 49.1 45.8 198.0

80

67 885.2 662 54.6 54.5 44.0 207.1 878.5 659.2 54.7 54.6 44.8 171.9 867.7 654.8 54.9 54.8 46.2 205.1

80

72 956.5 526.1 60.3 60.2 45.2 222.1 948.1 523 60.4 60.3 46.0 184.2 935.6 518.4 60.6 60.5 47.3 219.4

85

62 891.9 891.9 50.1 48.0 44.4 208.7 885.8 885.8 50.4 48.1 45.2 173.3 876.9 876.9 50.7 48.3 46.5 207.1

85

67 913.4 796.6 54.2 54.1 44.7 213.1 906.1 793.2 54.4 54.3 45.5 176.9 896.9 789.1 54.5 54.4 46.8 211.3

85

72 958.5 658.1 60.0 59.9 45.3 222.6 950.4 655.1 60.1 60.0 46.1 184.6 938.7 650.7 60.3 60.2 47.3 220.0

HIGH EFFICIENCY - AIR FLOW 23,400 CFM

EDB EWB

EWT

85

LWT

97 EWT

90

LWT

100 EWT

90

LWT

102

TMBH SMBH LDB LWB COMP 

KW

WATER 

FLOW 

GPM

TMBH SMBH LDB LWB COMP 

KW

WATER 

FLOW 

GPM

TMBH SMBH LDB LWB COMP 

KW

WATER 

FLOW 

GPM

75

62 799.5 655.3 49.7 49.6 46.2 159.5 789.8 650.6 49.9 49.8 47.7 190.5 783 647.2 50.0 49.9 48.6 158.1

75

67 854.3 518.5 55.3 55.2 46.9 169.1 842.9 513.8 55.5 55.4 48.4 201.6 835.3 510.8 55.6 55.5 49.3 167.3

75

72 925.6 384.6 60.8 60.7 48.1 181.6 913.3 380.1 61.0 60.9 49.5 216.4 904.7 376.9 61.1 61.0 50.5 179.5

80

62 827.7 788.6 49.3 49.2 46.8 164.5 816.9 782.9 49.5 49.4 48.2 196.3 810.9 779.7 49.6 49.5 49.2 163.1

80

67 861.6 652.2 55.0 54.9 47.1 170.4 850.3 647.5 55.2 55.1 48.5 203.2 842.9 644.5 55.3 55.2 49.6 168.7

80

72 928.2 515.6 60.6 60.5 48.1 182.1 916.2 511.2 60.8 60.7 49.5 217.0 907.3 507.9 60.9 60.8 50.5 179.9

85

62 870.9 870.9 50.9 48.4 47.5 172.1 860.6 860.6 51.3 48.6 48.9 205.5 854.6 854.6 51.6 48.7 49.9 170.8

85

67 889.8 785.8 54.7 54.6 47.7 175.4 879.1 780.9 54.8 54.7 49.1 209.4 871.8 777.6 55.0 54.9 50.1 173.8

85

72 932.4 648.6 60.3 60.2 48.2 182.8 919.6 643.7 60.5 60.4 49.6 217.8 911.5 640.7 60.6 60.5 50.6 180.7

NOTE:

 EDB-entering dry bulb temp, EWB-entering wet bulb temp, EWT-entering water temp, LWT-leaving water temp, LDB-leaving dry bulb temp, 

LWB-leaving wet bulb temp, TMBH-total capacity, SMBH-sensible capacity

Cooling Performance Data (Cont’d)

Summary of Contents for L-Series

Page 1: ...FORM 145 05 EG2 618 ENGINEERING GUIDE Water Cooled Self Contained Units L Series Vertical ...

Page 2: ...3 6 0 46 460V 3 6 0 58 575V 3 6 0 POWER SUPPLY CONNECTION SPT Single Point Terminal Block SPD Single Point Disconnect Switch DPT Dual Point Terminal Block DPD Dual Point Disconnect Switch ELECTRIC HEAT SIZE 000 No EH 017 17 5 KW 035 35 KW 052 52 5 KW 070 70 KW 105 105 KW HEAT OPTION CO Cooling Only HW Hot Water EH Electric Heat VFD OPTION CV Constant Volume VV Variable Air Volume VAV VB VAV with B...

Page 3: ...NEFITS 5 FEATURES AND OPTIONS 11 SELECTION PROCEDURE 15 OPERATING LIMITATIONS 18 PHYSICAL DATA 19 COOLING PERFORMANCE DATA 22 DIMENSIONAL DATA 33 AIR PRESSURE DROPS 57 SUPPLY FAN DATA 63 WATER PRESSURE DROP 65 ELECTRICAL DATA 68 OPERATING WEIGHTS 69 GUIDE SPECIFICATIONS 71 ...

Page 4: ...FORM 145 05 EG2 618 4 JOHNSON CONTROLS THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 5: ...es required airflow at a low er energy consumption compared to the most competitive units All scroll compressors combined with highly efficient condenser and evaporator coil design provides efficient cooling lowering energy consumption Water economizer and air economizer options provide free cooling to reduce power consumption Partial occupancy on any floor reduces power consumption due to multipl...

Page 6: ...andard High efficiency filters option with pre filters Evaporator and waterside economizer coils surface may be cleaned from air entering side as well as air leaving side Easy access to internally trapped condensate drain cleanout Matt faced fiberglass insulation Quieter Acoustic Performance Plenum fan with backward inclined airfoil blades provides required airflow at a low er sound power level co...

Page 7: ...ircuits and independent short circuit protection Automatic compressor lead lag on units larger than 40 tons Environmentally friendly R 410A refrigerant Completely factory piped charged and protected refrigerant circuits Each refrigerant circuit with suction and discharge pressure transducers for enhanced diagnostics and control Evaporator coil frost protection Mechanically cleanable shell and tube...

Page 8: ...s OPTIONAL FEATURES Variable Frequency Drive VFD Factory installed wired and commissioned VFD controls the fan speed in conjunc tion with the unit controller based on a signal from controller Unit installed duct static pressure sensor to sense duct static using fields installed pneumatic tubes Optional manual electrical bypass manually enables unit to run the supply fan motor at full speed in case...

Page 9: ... for the unit power Discon nect switch is accessible without opening unit doors Static pressure transducer is installed and wired on all variable air volume VAV units to control VFD operation Additional static pressure transducer installed and wired with comparative logic built in Duct static pressure limit switch mounted and wired in unit to disable unit operation in case of high duct static BACn...

Page 10: ...discharge plenum with 3 inch thick matt faced insulation and 20 gauge perforated galvanized steel liner with or without factory cut openings Half discharge plenum is factory manufactured discharge plenum with 3 inch thick matt faced insulation and 20 gauge perforated galvanized steel liner with or without factory cut openings Airside economizer with outdoor air connection damper and damper actuato...

Page 11: ...SER HIGH EFFICIENCY FILTERS FILTER DRIERS WATER ECONOMY COIL HOT WATER VALVE FAN INLET COIL CLEANING ACCESS DOOR STANDARD AIR FILTERS EVAPORATOR COIL ELECTRIC HEATER FRAME OPTIONAL HOT WATER OR ELECTRIC HEAT OPTIONAL CONDENSATE DRAIN TRAP LIFTING LUGS 8 ELECTRIC HEAT CONTROLS AIR SAFE OFF VARIABLE FREQUENCY DRIVE FAN MOTOR FRAME ELECTRICAL CONTROLS PLENUM FAN THERMOSTATIC EXPANSION VALVES CONDENSE...

Page 12: ...ER WATER IN CONDENSER WATER OUT HOT WATER VALVE HOT WATER COIL LIFTING LUGS 4 FAN INLET COIL CLEANING ACCESS DOOR EVAPORATOR COIL WATER ECONOMY COIL FILTER DRIER SHELL TUBE CONDENSERS STANDARD AIR FILTERS THERMOSTATIC EXPANSION VALVES HIGH EFFICIENCY FILTERS FILTER DRIERS CONDENSATE DRAIN TRAP ELECTRICAL CONTROLS VARIABLE FREQUENCY DRIVE ELECTRIC HEAT CONTROLS FAN MOTOR FRAME PLENUM FAN COMPRESSOR...

Page 13: ... CONDENSER WATER OUT CONDENSER WATER IN HOT WATER IN FAN INLET COIL CLEANING ACCESS DOOR HOT WATER VALVE CONDENSATE DRAIN TRAP FILTER DRIERS THERMOSTATIC EXPANSION VALVES HOT WATER COIL EVAPORATOR COIL WATER ECONOMY COIL STANDARD AIR FILTERS HIGH EFFICIENCY FILTERS FILTER DRIERS COMPRESSORS ELECTRIC HEAT CONTROLS CONDENSER WATER VALVES ELECTRIC HEATER FRAME PLENUM FAN INTERNAL FAN ISOLATION SEISMI...

Page 14: ...FORM 145 05 EG2 618 14 JOHNSON CONTROLS THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 15: ...ditions with the correction factors above to determine the unit capacity adjusted for the airflow 5 Determine if the cooling performance of this unit is acceptable If not repeat steps 2 through 4 above with a higher capacity unit 6 If waterside economizer option is chosen follow steps 3 and 4 above with appropri ate Waterside Economizer Cooling Performance Table on page 32 7 If hot water heating o...

Page 16: ...c heat FLA supply fan motor FLA two transformers FLA For units with electric heat 50 kW or more MCAis the lower of the heating and cooling mode MCA Heating mode MCA 1 25 supply fan motor FLA electric heat FLA two transformers FLA 17 Maximum Overcurrent Protection MOP for the unit is calculated as follows a For units without electric heat MOP 2 25 largest motor RLA or FLA FLA or RLA of all the rest...

Page 17: ...ITY SENSIBLE CAPACITY COMPRESSOR POWER 80 0 967 0 900 0 980 85 0 976 0 926 0 985 90 0 984 0 951 0 990 95 0 991 0 976 0 995 100 1 000 1 000 1 000 105 1 006 1 024 1 003 110 1 013 1 047 1 007 115 1 019 1 070 1 012 120 1 025 1 093 1 016 Table 2 WATERSIDE ECONOMIZER CORRECTION FACTORS AIR FLOW PERCENT TOTAL CAPACITY SENSIBLE CAPACITY 80 0 883 0 863 85 0 914 0 899 90 0 944 0 934 95 0 973 0 968 100 1 000...

Page 18: ...ng Air DX Coil Wet Bulb 62 0 F 72 0 F Condenser Water Flow 2 5 GPM Ton 3 0 GPM Ton Entering Cond Water Temp with Economizer 40 0 F 90 0 F Entering Cond Water Temp with Condenser Water Control Valve 40 0 F 90 0 F Entering Cond Water Temp w o Condenser Water Control Valve 60 0 F 90 0 F Steam Heat Steam Pressure 5 psig 15 psig Hot Water Heat Entering Water Temp 140 0 F 160 0 F ...

Page 19: ...meter Inches Class High Capacity Fan None None None None Fan Motor HP 5 20 10 25 10 25 10 25 15 40 15 40 Filters 4 Inch Deep MERV 8 20X20X4 24X20X4 24X24X4 3 6 0 3 6 0 3 6 0 3 6 0 0 6 6 0 6 6 4 Inch Deep MERV 13 20X20X4 24X20X4 24X24X4 3 6 0 3 6 0 3 6 0 3 6 0 0 6 6 0 6 6 Compressors Type Scroll Scroll with Capacity Modulation Compressor Quantity Nominal HP 10 10 15 11 15 13 15 15 15 2 11 15 2 15 N...

Page 20: ... II Diameter Inches Class High Capacity Fan 40 Class II 40 Class II None None Fan Motor HP 15 40 15 40 20 50 20 50 Filters 4 Inch Deep MERV 8 20X20X4 24X20X4 8 12 8 12 8 12 8 12 4 Inch Deep MERV 13 20X20X4 24X20X4 8 12 8 12 8 12 8 12 Compressors Type Scroll Compressor Quantity Nominal HP 2 15 2 13 4 15 6 13 6 15 Number of Capacity Steps 4 4 6 6 Condensers Type Shell and Tube Quantity 2 refrigerant...

Page 21: ...10A CHARGE LBS NORM HP 410A CHARGE LBS NORM HP 410A CHARGE LBS LSWU025 10 20 0 10 20 0 LSWU032 15 21 5 11 21 5 LSWU035 15 23 0 13 23 0 LSWU040 15 27 0 15 27 0 LSWU050 15 28 5 11 25 0 11 25 0 LSWU060 15 26 5 15 26 5 15 27 5 LSWU070 15 22 5 15 22 5 15 22 50 15 22 5 LSWU080 15 23 25 15 23 25 15 25 3 15 25 3 LSWU095 13 19 0 13 19 0 13 23 50 13 23 5 13 23 5 13 23 5 LSWU105 15 19 0 15 19 0 15 23 50 15 2...

Page 22: ...63 4 62 9 16 6 76 1 320 8 240 3 63 5 63 0 17 0 63 1 HIGH EFFICIENCY AIR FLOW 8 000 CFM EDB EWB EWT 80 LWT 90 EWT 80 LWT 92 EWT 85 LWT 95 TMBH SMBH LDB LWB COMP KW WATER FLOW GPM TMBH SMBH LDB LWB COMP KW WATER FLOW GPM TMBH SMBH LDB LWB COMP KW WATER FLOW GPM 75 62 297 235 48 5 48 4 14 6 69 4 295 234 48 6 48 5 15 0 57 6 291 232 48 8 48 7 15 6 68 9 75 67 318 188 54 2 54 1 14 7 73 6 316 187 54 3 54 ...

Page 23: ...23 2 81 7 HIGH EFFICIENCY AIR FLOW 10 000 CFM EDB EWB EWT 80 LWT 90 EWT 80 LWT 92 EWT 85 LWT 95 TMBH SMBH LDB LWB COMP KW WATER FLOW GPM TMBH SMBH LDB LWB COMP KW WATER FLOW GPM TMBH SMBH LDB LWB COMP KW WATER FLOW GPM 75 62 377 298 48 1 48 0 19 9 89 0 374 296 48 3 48 2 20 3 73 9 370 294 48 5 48 4 20 9 88 2 75 67 407 239 53 8 53 7 20 3 95 2 404 237 54 0 53 9 20 7 79 0 398 235 54 2 54 1 21 3 94 3 7...

Page 24: ... EFFICIENCY AIR FLOW 11 000 CFM EDB EWB EWT 80 LWT 90 EWT 80 LWT 92 EWT 85 LWT 95 TMBH SMBH LDB LWB COMP KW WATER FLOW GPM TMBH SMBH LDB LWB COMP KW WATER FLOW GPM TMBH SMBH LDB LWB COMP KW WATER FLOW GPM 75 62 406 323 48 5 48 4 21 4 95 8 402 321 48 7 48 6 21 9 79 5 398 319 48 8 48 7 22 5 94 9 75 67 435 258 54 2 54 1 21 9 101 9 431 256 54 4 54 3 22 3 84 6 425 254 54 5 54 4 23 0 100 8 75 72 472 194...

Page 25: ... 2 27 8 99 1 HIGH EFFICIENCY AIR FLOW 13 000 CFM EDB EWB EWT 80 LWT 90 EWT 80 LWT 92 EWT 85 LWT 95 TMBH SMBH LDB LWB COMP KW WATER FLOW GPM TMBH SMBH LDB LWB COMP KW WATER FLOW GPM TMBH SMBH LDB LWB COMP KW WATER FLOW GPM 75 62 455 370 49 3 49 2 23 4 107 0 452 369 49 4 49 3 23 9 88 9 446 366 49 4 49 3 24 6 106 0 75 67 483 292 55 1 55 0 23 9 113 0 479 291 55 1 55 0 24 4 93 8 474 288 55 1 55 0 25 1 ...

Page 26: ...H EFFICIENCY AIR FLOW 16 000 CFM EDB EWB EWT 80 LWT 90 EWT 80 LWT 92 EWT 85 LWT 95 TMBH SMBH LDB LWB COMP KW WATER FLOW GPM TMBH SMBH LDB LWB COMP KW WATER FLOW GPM TMBH SMBH LDB LWB COMP KW WATER FLOW GPM 75 62 569 462 48 9 48 8 28 3 133 2 565 460 49 0 48 9 28 9 110 7 558 457 49 2 49 1 29 8 132 0 75 67 612 367 54 7 54 6 28 9 142 0 607 365 54 8 54 7 29 5 117 9 599 362 54 9 54 8 30 3 140 5 75 72 66...

Page 27: ...2 41 5 147 3 HIGH EFFICIENCY AIR FLOW 19 000 CFM EDB EWB EWT 80 LWT 90 EWT 80 LWT 92 EWT 85 LWT 95 TMBH SMBH LDB LWB COMP KW WATER FLOW GPM TMBH SMBH LDB LWB COMP KW WATER FLOW GPM TMBH SMBH LDB LWB COMP KW WATER FLOW GPM 75 62 670 547 49 0 48 9 34 9 157 9 665 544 49 1 49 0 35 6 131 0 657 541 49 3 49 2 36 6 156 5 75 67 722 435 54 7 54 6 35 9 168 9 716 432 54 8 54 7 36 6 140 2 708 429 55 0 54 9 37 ...

Page 28: ...IENCY AIR FLOW 23 400 CFM EDB EWB EWT 80 LWT 90 EWT 80 LWT 92 EWT 85 LWT 95 TMBH SMBH LDB LWB COMP KW WATER FLOW GPM TMBH SMBH LDB LWB COMP KW WATER FLOW GPM TMBH SMBH LDB LWB COMP KW WATER FLOW GPM 75 62 822 6 666 5 49 3 49 2 43 0 193 9 815 7 663 1 49 4 49 3 43 9 160 9 806 2 658 5 49 6 49 5 45 3 192 1 75 67 879 6 528 8 54 9 54 8 43 9 205 9 873 3 526 2 55 1 55 0 44 7 171 0 860 7 521 1 55 2 55 1 46...

Page 29: ...3 55 3 197 0 HIGH EFFICIENCY AIR FLOW 26 000 CFM EDB EWB EWT 80 LWT 90 EWT 80 LWT 92 EWT 85 LWT 95 TMBH SMBH LDB LWB COMP KW WATER FLOW GPM TMBH SMBH LDB LWB COMP KW WATER FLOW GPM TMBH SMBH LDB LWB COMP KW WATER FLOW GPM 75 62 901 4 798 5 47 2 47 1 46 6 212 1 894 4 795 2 47 3 47 2 47 6 176 1 884 5 790 4 47 5 47 4 49 0 210 4 75 67 954 7 619 53 8 53 7 47 6 223 5 947 616 1 53 9 53 8 48 6 185 4 935 5...

Page 30: ...ICIENCY AIR FLOW 27 000 CFM EDB EWB EWT 80 LWT 90 EWT 80 LWT 92 EWT 85 LWT 95 TMBH SMBH LDB LWB COMP KW WATER FLOW GPM TMBH SMBH LDB LWB COMP KW WATER FLOW GPM TMBH SMBH LDB LWB COMP KW WATER FLOW GPM 75 62 1110 842 8 46 8 46 7 59 0 262 3 1100 837 9 47 0 46 9 60 2 217 5 1087 831 7 47 2 47 1 62 0 259 6 75 67 1193 683 6 52 5 52 4 59 9 279 5 1183 679 1 52 7 52 6 61 0 231 8 1166 672 3 52 9 52 8 62 8 2...

Page 31: ...61 2 80 3 272 0 HIGH EFFICIENCY AIR FLOW 28 000 CFM EDB EWB EWT 80 LWT 90 EWT 80 LWT 92 EWT 85 LWT 95 TMBH SMBH LDB LWB COMP KW WATER FLOW GPM TMBH SMBH LDB LWB COMP KW WATER FLOW GPM TMBH SMBH LDB LWB COMP KW WATER FLOW GPM 75 62 1237 915 2 45 5 45 4 68 0 293 7 1227 910 7 45 7 45 6 69 4 244 0 1213 904 45 9 45 8 71 6 291 6 75 67 1332 749 6 51 3 51 2 69 6 313 8 1321 745 2 51 4 51 3 71 0 260 6 1305 ...

Page 32: ...7 0 140 9 LWSU050 HIGHEFF 14 100 62 7 57 4 192 7 188 0 141 1 17 050 63 6 57 8 211 3 209 5 141 1 20 000 64 5 58 2 227 1 227 1 141 1 LSWU060 16 000 63 3 57 6 208 1 203 4 167 9 20 000 64 3 58 1 231 5 230 7 167 9 24 000 65 4 58 5 249 2 249 2 167 9 LWSU060 HIGHEFF 14 100 62 7 57 3 195 4 188 7 168 2 17 050 63 6 57 7 214 6 211 0 168 2 20 000 64 3 58 1 231 6 230 7 168 2 LSWU070 19 900 63 3 57 6 255 9 248 ...

Page 33: ...FORM 145 05 EG2 618 JOHNSON CONTROLS 33 Dimensional Data OVERVIEW OF COMBINED UNIT LSWU025 040 MODELS ...

Page 34: ...FORM 145 05 EG2 618 34 JOHNSON CONTROLS Dimensional Data Cont d OVERVIEW OF SPLIT SHIPMENT LSWU025 040 MODELS ...

Page 35: ...FORM 145 05 EG2 618 JOHNSON CONTROLS 35 OVERVIEW OF SERVICE CLEARANCES LSWU025 040 MODELS ...

Page 36: ...OUND ATTENUATING INLET PLENUM OPTION NOTES SOUND ATTENUATING PLENUM OPTION CAN BE COMBINED 1 WITH ANY FILTER SECTION OPTION SOUND ATTENUATING PLENUM SHIPS SEPARATELY FROM 2 BASE UNIT SEGMENT S OPTION IS NOT AVAILABLE WITH DUCTED CONNECTIONS 3 WITH THIS OPTION THE TOP ROW OF FILTERS CAN ONLY BE 4 REMOVED FROM THE END OF THE FILTER RACK NO FILTER OPTIONS A 1 2 4 FILTER 76 43 4 PRE FILTER 4 HIGH EFFI...

Page 37: ...E DOOR HANDLE AND ONE TOOL OPERATED LATCH REMOVABLE INTERNAL PANEL IS PROVIDED FOR ACCESS TO WATER VALVES WHEN NO LEFTSIDE CLEARANCE IS REQUIRED 24 CLEARANCE REQUIRED ON STANDARD UNITS 3 CLEARANCE REQUIRED ON UNITS WITH RIGHT AND REAR ACCESS ONLY OPTION REMOVABLE DOORS WITH HINGES ONE DOOR HANDLE AND TOOL OPERATED LATCH ENTRY DOOR UNDER STANDARD 32 WIDE X 44 HIGH NOMINAL WITH ONE DOOR HANDLE AND T...

Page 38: ...NSIONS NOTE AIRSIDE ECONOMIZER WILL BE SHIPPED SEPARATELY NO FILTER OPTIONS A B 1 2 4 FILTER 76 43 110 65 4 PRE FILTER 4 HIGH EFFICIENCY FILTER 80 68 114 90 34 22 A B 26 47 3 86 9 26 55 47 74 06 2 00 COIL SECTION FILTER SECTION FAN SECTION AIRSIDE ECONOMIZER 78 32 55 47 11 51 26 47 43 41 Dimensional Data Cont d ...

Page 39: ...D 24 CLEARANCE REQUIRED ON STANDARD UNITS 3 CLEARANCE REQUIRED ON UNITS WITH RIGHT AND REAR ACCESS ONLY OPTION REMOVABLE DOOR WITH HINGES ONE DOOR HANDLE AND TOOL OPERATED LATCH REMOVABLE DOOR WITH HINGES ONE DOOR HANDLE AND TOOL OPERATED LATCH ENTRY DOOR UNDER STANDARD 32 WIDE X 44 HIGH NOMINAL WITH ONE DOOR HANDLE AND TOOL OPERATED LATCH ELECTRICAL PANEL DOOR OVER NONREMOVABLE WITH HINGES ONE DO...

Page 40: ...8 40 JOHNSON CONTROLS MOUNTING PAD LOCATIONS LSWU025 040 MODELS 0 6 00 70 50 78 00 0 21 75 68 00 0 35 00 70 13 FILTER SECTION COIL SECTION FAN SECTION RIGHT MOUNTING PAD LOCATIONS LEFT REAR FRONT Dimensional Data Cont d ...

Page 41: ...NN SEE DETAIL B COIL SECTION ACCESS PANEL 75 62 14 26 LIFTING LUG 90 00 12 82 10 64 STD DIA 1 00 NOM PVC SOCKET TO CONNECT METAL PIPE PLASTIC WELD ON UNIVERSAL PN 478 010 SPIGOT MALE ADAPTER 34 10 12 4 45 DISCONNECT TOGGLE SWITCH KEYPAD DISPLAY OPTIONAL UNIT VFD DISPLAY DETAIL A 3 69 1 38 2X 2 86 88 5 92 24 19 25 44 26 69 CONDENSER WATER OUT CONDENSER WATER IN HOT WATER OUT HOT WATER IN OPTIONAL V...

Page 42: ...TUBS WILL BE DETACHED SHIPPED INSIDE UNIT WITH COUPLINGS 24 19 25 44 26 69 Ø 1 38 99 94 12 86 TYP 10 64 TYP LIFTING LUG 1 63 TYP TO COIL SECTION ELECTRICAL PENETRATIONS 35 00 TO FAN SECTION REAR FAN SECTION NOTE FILTER SECTION IS NOT SHOWN AND WILL SHIP SEPARATELY 90 00 RIGHT LEFT FRONT VIEW 40 57 COIL SECTION FRONT VIEW RIGHT LEFT 35 4 45 10 12 DRAIN CONNECTION 3 69 Ø 1 38 Ø 88 2 86 5 92 Dimensio...

Page 43: ... WHEN NO LEFT SIDE CLEARANCE IS REQUIRED 24 CLEARANCE REQUIRED ON STANDARD UNITS 3 CLEARANCE REQUIRED ON UNITS WITH RIGHT AND REAR ACCESS ONLY OPTION REMOVABLE DOOR WITH HINGES ONE DOOR HANDLE AND TOOL OPERATED LATCH ENTRY DOOR STANDARD 32 WIDE X 44 HIGH NOMINAL WITH ONE DOOR HANDLE AND TOOL OPERATED LATCH ELECTRICAL PANEL DOOR NONREMOVABLE WITH HINGES ONE DOOR HANDLE AND TOOL OPERATED LATCH REAR ...

Page 44: ...HIPS SEPARATELY FROM 2 BASE UNIT SEGMENT S OPTION IS NOT AVAILABLE WITH DUCTED CONNECTIONS 3 WITH THIS OPTION THE TOP ROW OF FILTERS CAN ONLY BE 4 REMOVED FROM THE END OF THE FILTER RACK NO FILTER OPTIONS A 1 2 4 FILTER 82 00 4 PRE FILTER 4 HIGH EFFICIENCY FILTER 86 25 A 23 91 7 86 85 59 89 88 27 94 OPTIONAL SOUND ATTENUATING INLET PLENUM NOTES SOUND ATTENUATING PLENUM OPTION CAN BE COMBINED 1 WIT...

Page 45: ...N CLEARANCE IS AVAILABLE REMOVEABLE DOORS WITH HINGES ONE DOOR HANDLE AND ONE TOOL OPERATED LATCH REMOVABLE INTERNAL PANEL IS PROVIDED FOR ACCESS TO WATER VALVES WHEN NO LEFT SIDE CLEARANCE IS REQUIRED 24 CLEARANCE REQUIRED ON STANDARD UNITS 3 CLEARANCE REQUIRED ON UNITS WITH RIGHT AND REAR ACCESS ONLY OPTION REMOVABLE DOOR WITH HINGES ONE DOOR HANDLE AND TOOL OPERATED LATCH ELECTRICAL PANEL DOOR ...

Page 46: ...4 FILTER 82 00 116 22 4 PRE FILTER 4 HIGH EFFICIENCY FILTER 86 25 120 47 A B 34 22 75 47 8 26 2 97 92 06 3 86 26 47 FILTER SECTION FAN SECTION COIL SECTION AIRSIDE ECONOMIZER 88 80 53 89 26 47 11 49 75 47 NOTE AIRSIDE ECONOMIZER WILL BE SHIPPED SEPARATELY MINIMUM INTERIOR DUCT DIMENSIONS Dimensional Data Cont d ...

Page 47: ... CLEARANCE REQUIRED ON STANDARD UNITS 3 CLEARANCE REQUIRED ON UNITS WITH RIGHT AND REAR ACCESS ONLY OPTION REMOVABLE DOOR WITH HINGES ONE DOOR HANDLE AND TOOL OPERATED LATCH REMOVABLE DOOR WITH HINGES ONE DOOR HANDLE AND TOOL OPERATED LATCH ENTRY DOOR STANDARD 18 WIDE X 84 HIGH NOMINAL WITH ONE DOOR HANDLE AND TOOL OPERATED LATCH ELECTRICAL PANEL DOOR NONREMOVABLE WITH HINGES ONE DOOR HANDLE AND T...

Page 48: ...NSON CONTROLS MOUNTING PAD LOCATIONS LSWU050 060 MODELS 14X 6 00 14X 2 00 0 8 22 47 51 86 80 15 64 81 62 0 35 12 75 75 COIL SECTION FAN SECTION FILTER SECTION REAR FRONT LEFT RIGHT MOUNTING PAD LOCATIONS Dimensional Data Cont d ...

Page 49: ...IPING CONN SEE DETAIL B 84 10 17 90 DISCONNECT SWITCH TOGGLE FILTER SECTION WILL SHIP SEPARATELY KEYPAD DISPLAY 19 19 36 22 LIFTING LUG 102 00 29 43 57 44 57 44 21 37 11 24 3 78 STD DIA 1 25 NOM PVC SOCKET TO CONNECT METAL PIPE PLASTIC WELD ONE UNIVERSAL PN 478 012 SPIGOT FEMALE ADAPTER DRAIN CONNECTION DETAIL B 2 95 6 25 5 25 42 30 39 80 34 80 88 2 50 1 38 ELECTRICAL PENETRATIONS DETAIL A CONDENS...

Page 50: ...FORM 145 05 EG2 618 50 JOHNSON CONTROLS OVERVIEW OF SPLIT SHIPMENTS LSWU070 105 MODELS Dimensional Data Cont d ...

Page 51: ...D ON UNITS WITH RIGHT AND REAR ACCESS ONLY OPTION REMOVABLE DOORS WITH HINGES ONE DOOR HANDLE AND TOOL OPERATED LATCH REMOVABLE INNER PANEL IS PROVIDED FOR ACCESS TO WATER VALVES WHEN NO LEFT SIDE CLEARANCE IS REQUIRED ENTRY DOOR STANDARD 72 X 18 NOMINAL WITH ONE DOOR HANDLE AND TOOL OPERATED LATCH ELECTRICAL PANEL DOOR NONREMOVABLE WITH HINGES ONE DOOR HANDLE AND TOOL OPERATED LATCH REAR FILTER S...

Page 52: ...MBINED 1 WITH ANY FILTER SECTION OPTION SOUND ATTENUATING PLENUM SHIPS SEPARATELY FROM 2 BASE UNIT SEGMENT S OPTION IS NOT AVAILABLE WITH DUCTED CONNECTIONS 3 WITH THIS OPTION THE TOP ROW OF FILTERS CAN ONLY BE 4 REMOVED FROM THE END OF THE FILTER RACK NO FILTER OPTIONS A 1 2 4 FILTER 102 06 4 PRE FILTER 4 HIGH EFFICIENCY FILTER 106 31 10 102 00 27 85 NOTES SOUND ATTENUATING PLENUM OPTION CAN BE C...

Page 53: ...NO LEFT SIDE CLEARANCE IS REQUIRED 24 CLEARANCE REQUIRED ON STANDARD UNITS 3 CLEARANCE REQUIRED ON UNITS WITH RIGHT AND REAR ACCESS ONLY OPTION REMOVABLE DOOR WITH HINGES ONE DOOR HANDLE AND TOOL OPERATED LATCH ENTRY DOOR STANDARD 72 X 18 NOMINAL WITH ONE DOOR HANDLE AND TOOL OPERATED LATCH ELECTRICAL PANEL DOOR NONREMOVABLE WITH HINGES ONE DOOR HANDLE AND TOOL OPERATED LATCH REAR FILTER SECTION C...

Page 54: ...ONS NOTE AIRSIDE ECONOMIZER WILL BE SHIPPED SEPARATELY NO FILTER OPTIONS A B 1 2 4 FILTER 102 06 152 28 4 PRE FILTER 4 HIGH EFFICIENCY FILTER 106 31 156 53 A B 4 25 118 00 8 26 101 47 7 36 35 47 50 22 COIL SECTION FAN SECTION FILTER SECTION AIRSIDE ECONOMIZER 12 52 101 47 55 04 35 47 100 99 Dimensional Data Cont d ...

Page 55: ...ONAL WHEN CLEARANCE IS AVAILABLE REMOVEABLE DOORS WITH HINGES ONE DOOR HANDLE AND ONE TOOL OPERATED LATCH REMOVABLE INNER PANEL IS PROVIDED FOR ACCESS TO WATER VALVES WHEN NO LEFT SIDE CLEARANCE IS REQUIRED 24 CLEARANCE REQUIRED ON STANDARD UNITS 3 CLEARANCE REQUIRED ON UNITS WITH RIGHT AND REAR ACCESS ONLY OPTION REMOVABLE DOOR WITH HINGES ONE DOOR HANDLE AND TOOL OPERATED LATCH ELECTRICAL PANEL ...

Page 56: ...G PAD LOCATIONS LSWU070 105 MODELS 0 15 00 119 00 67 00 17 50 56 75 96 00 0 52 00 SPLIT LINE AT FLOOR ELEVATION 96 00 10X 2 00 10X 6 00 FRONT LEFT RIGHT REAR COIL SECTION FAN SECTION FILTER SECTION LEFT MOUNTING PAD LOCATIONS Dimensional Data Cont d ...

Page 57: ...50 HiEff 14 100 0 72 0 13 0 06 0 06 0 04 0 02 0 05 17 050 0 92 0 18 0 07 0 09 0 06 0 03 20 000 1 14 0 24 0 09 0 12 0 09 0 04 060 Std 16 000 0 61 0 16 0 07 0 08 0 06 0 03 0 05 20 000 0 84 0 24 0 09 0 12 0 09 0 04 24 000 1 08 0 33 0 12 0 18 0 13 0 06 060 HiEff 14 100 0 86 0 13 0 06 0 06 0 04 0 02 0 05 17 050 1 11 0 18 0 07 0 09 0 06 0 03 20 000 1 37 0 24 0 09 0 12 0 09 0 04 Table 20 AIR PRESSURE DRO...

Page 58: ... 0 250 0 300 6 000 6 500 7 000 7 500 8 000 8 500 9 000 9 500 10 000 10 500 4 MERV 8 4 4 MERV 13 MERV 8 Air Pressure Drop inch w c LSWU032 Air Pressure Drops Across Clean Filters 0 000 0 050 0 100 0 150 0 200 0 250 0 300 0 350 0 400 0 450 7 000 8 000 9 000 10 000 11 000 12 000 13 000 14 000 4 MERV 8 4 4 MERV 13 MERV 8 Air Pressure Drop inch w c ...

Page 59: ... 500 0 600 9 000 10 000 11 000 12 000 13 000 14 000 15 000 16 000 4 MERV 8 4 4 MERV 13 MERV 8 Air Pressure Drop inch w c LSWU040 Air Pressure Drops Across Clean Filters 0 000 0 100 0 200 0 300 0 400 0 500 0 600 9 000 10 000 11 000 12 000 13 000 14 000 15 000 16 000 4 MERV 8 4 4 MERV 13 MERV 8 Air Pressure Drop inch w c ...

Page 60: ... 0 150 0 200 0 250 0 300 0 350 0 400 0 450 14 000 15 000 16 000 17 000 18 000 19 000 20 000 4 MERV 8 4 4 MERV 13 MERV 8 Air Pressure Drop inch w c LSWU060 Air Pressure Drops Across Clean Filters 0 000 0 100 0 200 0 300 0 400 0 500 0 600 14 000 16 000 18 000 20 000 22 000 24 000 4 MERV 8 4 4 MERV 13 MERV 8 Air Pressure Drop inch w c ...

Page 61: ...50 0 300 0 350 0 400 0 450 0 500 19 500 21 500 23 500 25 500 27 500 29 500 4 MERV 8 4 4 MERV 13 MERV 8 Air Pressure Drop inch w c LSWU080 Air Pressure Drops Across Clean Filters 0 000 0 100 0 200 0 300 0 400 0 500 0 600 22 500 24 500 26 500 28 500 30 500 32 500 34 500 4 MERV 8 4 4 MERV 13 MERV 8 Air Pressure Drop inch w c ...

Page 62: ...200 0 300 0 400 0 500 0 600 0 700 24 000 26 000 28 000 30 000 32 000 34 000 4 MERV 8 4 4 MERV 13 MERV 8 Air Pressure Drop inch w c LSWU105 Air Pressure Drops Across Clean Filters 0 000 0 100 0 200 0 300 0 400 0 500 0 600 0 700 24 000 26 000 28 000 30 000 32 000 34 000 36 000 4 MERV 8 4 4 MERV 13 MERV 8 Air Pressure Drop inch w c ...

Page 63: ... 7 22 7 16 000 1327 6 13 3 1413 4 16 5 1498 2 19 9 1580 3 23 4 1660 7 27 0 18 000 1454 2 17 1 1528 5 20 5 1605 6 24 2 1680 8 28 0 Consult Factory LSWU050 060 Table 23 COMEFRI 32 FAN LSWU050 060 CFM TOTAL STATIC PRESSURE INCHES OF WATER COLUMN 2 0 3 0 4 0 5 0 6 0 RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP 12 000 1095 7 72 1205 6 10 4 1309 7 13 1 1407 2 16 0 1499 6 18 9 14 000 1207 1 10 2 1305 0 13 1 1...

Page 64: ...nsult Factory 34 000 1364 6 26 5 1427 0 32 5 Consult Factory Consult Factory Consult Factory Table 26 TWIN CITY 40 FAN LSWU095 105 CFM TOTAL STATIC PRESSURE INCHES OF WATER COLUMN 2 0 3 0 4 0 5 0 6 0 RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP 16 000 735 8 7 8 846 7 12 3 943 4 16 9 1037 9 21 7 1066 7 23 3 18 000 770 3 8 5 875 4 13 5 971 4 18 6 1056 1 23 7 1140 2 29 1 20 000 806 7 9 3 908 2 14 6 998 1 ...

Page 65: ...160 Water Pressure Drop in w c Water Flow GPM LSWU025 040 Water Pressure Drop Condenser Water PD Water Economizer PD when ac ve Condenser Water Econ PD 1 10 100 75 100 200 Water Pressure Drop in w c Water Flow GPM LSWU050 060 Water Pressure Drop Condenser Water PD Water Economizer PD when ac ve Condenser Water Econ PD ...

Page 66: ... in w c Water Flow GPM LSWU070 080 Water Pressure Drop Condenser Water PD Water Economizer PD when ac ve Condenser Water Econ PD 1 00 10 00 100 00 190 420 Water Pressure Drop in w c Water Flow GPM LSWU095 105 Water Pressure Drop Condenser Water PD Water Economizer PD when ac ve Condenser Water Econ PD Water Pressure Drop Cont d ...

Page 67: ... 80 100 Water Pressure Drop in w c Water Flow GPM LSWU025 040 Hot Water Pressure Drop 1 10 100 15 150 120 Water Pressure Drop in w c Water Flow GPM LSWU050 060 Hot Water Pressure Drop 1 00 10 00 100 00 50 500 100 200 Water Pressure Drop in w c Water Flow GPM LSWU070 105 Hot Water Pressure Drop ...

Page 68: ...13 6 49 5 19 7 5 HP 20 1 18 1 9 07 7 26 10 HP 27 24 4 12 2 9 76 15 HP 40 3 36 4 18 2 14 6 20 HP 54 6 49 4 24 7 19 8 25 HP 65 2 59 29 5 23 6 30 HP 77 6 70 2 35 1 28 1 40 HP 107 96 4 48 2 38 6 50 HP 131 118 59 2 47 4 60 HP 151 137 68 3 54 6 Table 28 COMPRESSOR MOTOR DATA NOMINAL HORSEPOWER 208 3 60 230 3 60 460 3 60 575 3 60 RLA LRA RLA LRA RLA LRA RLA LRA 10 31 0 239 28 239 14 125 10 9 80 11 33 4 2...

Page 69: ... 25HP 470 470 470 470 470 470 30HP 512 512 40HP 614 614 50HP 622 622 TEFC Prem Eff Prem Eff Prem Eff Prem Eff Prem Eff Prem Eff 5HP 199 199 199 199 7 5HP 260 260 260 260 10HP 341 341 341 341 15HP 365 365 365 365 365 365 20HP 421 421 421 421 421 421 25HP 538 538 538 538 538 538 30HP 573 573 40HP 742 742 50HP 900 900 Variable Frequency Drive VFD Variable Air Volume VAV VAV w Bypass 5HP 61 61 61 61 7...

Page 70: ...7 367 25HP 470 470 470 470 30HP 512 512 512 512 40HP 614 614 614 614 50HP 622 622 622 622 TEFC Prem Eff Prem Eff Prem Eff Prem Eff 15HP 365 365 365 365 20HP 421 421 421 421 25HP 538 538 538 538 30HP 573 573 573 573 40HP 742 742 742 742 50HP 900 900 900 900 Variable Frequency Drive VFD Variable Air Volume VAV VAV w Bypass 15HP 96 96 96 96 20HP 96 96 96 96 25HP 115 115 115 115 30HP 115 115 115 115 4...

Page 71: ...sheet metal to provide additional sound attenuation Installation manual start up form operating bulletin maintenance bulletin and a hard copy of the electrical wiring diagrams are supplied inside each unit Units shall have labels to indicate caution areas for servicing the unit The data plate nameplate is per manently attached to the unit on the external panel next to the user interface panel on t...

Page 72: ...ring and piping internal to the unit The condenser water piping connections shall be located inside close to the exterior of the unit located for easy connection to the building risers One set of connections one for inlet and one for outlet is needed for each unit Economizer operation shall be controlled to maximize free cooling operation as the enter ing condenser water is colder than the enterin...

Page 73: ... be signaled to drive 100 open Electric Heat Electric heat shall consist of electric heater located inside the unit at the unit supply air outlet electric power control components and necessary controls Each stage of electric heat shall not exceed 17 5 kW Electric heater shall be in an 18 gage sheet metal frame and shall be made out of nickel chromium resistance wire The heater shall be protected ...

Page 74: ...design airflow and the VFD can be removed for service The compressors shall be staged to meet the discharge air temperature set point The supply air fan drive output shall be controlled by the factory installed unit control system The VFD status and operating speed shall be monitored and displayed at the unit control panel A factory mounted field adjustable duct high limit safety control shall be ...

Page 75: ...ficiency levels with a minimum EER of 12 6 CONTROLS The unit shall be controlled by a stand alone 32 bit microprocessor based controller The controller along with all applicable sensors transducers and end devices shall be factory packaged installed and fully tested before shipment to insure reliable operation The control system shall include a keypad with 36 keys and 2 line x 40 character LCD dis...

Page 76: ...Supply Fan Return Air Temperature Sensor Failure Zone Temperature Sensor Failure Dirty Filter Suction Pressure Transducer Failure Discharge Pressure Transducer Failure Outside Air Temperature Sensor Failure Units with Airside Economizer Outside Air Humidity Sensor Failure Units with Airside Economizer Return Air Humidity Sensor Failure Units with Airside Economizer Duct Pressure Transducer Failure...

Page 77: ...trol sequences for constant volume CV VAV and Flexsys Underfloor VAV built in For VAV operation four Supply Air Temperature setpoint reset sequences can be selected 1 No Reset fixed Supply Air Temperature setpoint 2 Reset via Return Zone Temperature 3 Reset via Outside Air Temperature 4 Reset via VFD Speed Occupied Heating Unoccupied Heating Night Set Back Morning Warm up Economizer Sequences Buil...

Page 78: ...the controls and supply air fan motor The other shall be sized for all the compressors The switches shall be located at the front of the unit visible and accessible without removing any access panels Phase Failure Under Voltage Protection Aphase failure under voltage protection device shall be provided to protect three phase mo tors from damage due to single phasing phase reversal and low voltage ...

Page 79: ...stalled and wired pressure switch senses the air pressure differential between the unit inlet and fan outlet When the differential exceeds the set point for safe operation of the duct system and the unit the unit is shut off and an alarm is generated Duct Static Pressure Sensor Factory installed and wired pressure switch senses the air pressure differential between static pressure inside the duct ...

Page 80: ...acts are open this rep resents a cooling mode and the VAV box should be in the cooling mode and maintaining the space zone temperature Voltage for the device s connected to the output needs to be provided from another source External Stop Fan Stop This binary input signal is used to shut the unit down in an emergency When the signal is open the unit is in the shut down emergency mode Thus the unit...

Page 81: ... top respectively Control actuator with linkages for the return air dampers and another for the outdoor air dampers shall be factory installed The dampers actuator shall modulate in response to the cooling load during the economizer mode The outdoor air damper and return air damper shall be controlled in a reverse acting fashion by the unit controller Economizer operation shall be controlled to ma...

Page 82: ...Printed on recycled paper Form 145 05 EG2 618 Supersedes 145 05 EG2 1216 2018 Johnson Controls Inc P O Box 423 Milwaukee WI 53201 Printed in USA www johnsoncontrols com Issued on 06 04 2018 ...

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