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Carrier Omnizone 50XCR06-24, Installation, Start-Up And Service Instructions Manual

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Carrier Omnizone 50XCR06-24 Installation, Start-Up And Service Instructions Manual Download Page 5

5

Fig. 3 — Base Unit Dimensions — 50XCR12, 14 (Rear Return, Horizontal Discharge)

NOTE: Dimensions are in inches.

UNIT

50XCR

WIDTH HEIGHT DEPTH

COND

SECTION

EVAP

SECTION

EVAP RETURN

DUCT

DISCH

CONN

LIQUID

CONN

EVAP SUPPLY DUCT 

(Blower Opening)

DISCH

DIAMETER

SWAGE

(ID)

LIQUID

DIAMETER

SWAGE  

(ID)

A

B

C

D

E

F

G

H

I

J

L

N

O

P

Q

R

S

12

68.0

64.0

31.2

28

35.5

61.1 31.8 29.4 5.5

11.1

13.9

12.5 13.8 2.7 13.6

0.875

0.625

14

68.0

64.0

31.2

28

35.5

61.1 31.8 29.4 5.5

11.1

13.9

12.5 13.8 2.7 13.6

0.875

0.625

D

Summary of Contents for Omnizone 50XCR06-24

Page 1: ...quipment Follow all safety codes Wear safety glasses and work gloves WARNING Electrical shock can cause personal injury and death Shut off all power to this equipment during installation There may be more than one disconnect switch Tag all disconnect locations to alert others not to restore power until work is completed CAUTION Use care in handling rigging and setting bulky equipment Personal inju...

Page 2: ...e 50XCR units are intended for indoor installation only Determine building alterations required to run piping wiring and ductwork Follow dimensional drawings for ductwork piping lo cations electrical wiring and overall unit dimensions Read all in stallation instructions before installing the unit See Fig 1 5 for unit dimensions and refer to Table 2 for unit oper ating weights Applicable installati...

Page 3: ...VAP SECTION EVAP RETURN DUCT DISCH CONN LIQUID CONN EVAP SUPPLY DUCT Blower Opening DISCH DIAMETER SWAGE ID LIQUID DIAMETER SWAGE ID A B C D E F G H I J L N O P Q R S 06 53 1 57 0 29 0 25 8 31 0 47 2 24 8 28 9 4 8 12 4 15 4 13 4 12 8 2 7 19 8 0 625 0 5 08 53 1 57 0 29 0 25 8 31 0 47 2 24 8 28 9 4 8 12 4 15 4 13 4 12 8 2 7 7 6 0 625 0 5 SIZE SIZE ...

Page 4: ...ON EVAP SECTION EVAP RETURN DUCT DISCH CONN LIQUID CONN EVAP SUPPLY DUCT Blower Opening DISCH DIAMETER SWAGE ID LIQUID DIAMETER SWAGE ID A B C D E F G H I J L N O P Q R S 12 68 0 64 0 31 2 28 35 5 61 1 31 8 29 4 5 5 11 1 13 9 12 5 13 8 8 5 13 6 0 875 0 625 14 68 0 64 0 31 2 28 35 5 61 1 31 8 29 4 5 5 11 1 13 9 12 5 13 8 8 5 13 6 0 875 0 625 ...

Page 5: ...ON EVAP SECTION EVAP RETURN DUCT DISCH CONN LIQUID CONN EVAP SUPPLY DUCT Blower Opening DISCH DIAMETER SWAGE ID LIQUID DIAMETER SWAGE ID A B C D E F G H I J L N O P Q R S 12 68 0 64 0 31 2 28 35 5 61 1 31 8 29 4 5 5 11 1 13 9 12 5 13 8 2 7 13 6 0 875 0 625 14 68 0 64 0 31 2 28 35 5 61 1 31 8 29 4 5 5 11 1 13 9 12 5 13 8 2 7 13 6 0 875 0 625 D ...

Page 6: ... EVAP SECTION EVAP RETURN DUCT DISCH CONN LIQUID CONN EVAP SUPPLY DUCT Blower Opening DISCH DIA SWAGE ID LIQUID DIA SWAGE ID A B C D E F G H I J L N O P Q T R S 16 88 0 66 7 31 2 31 2 35 5 83 7 33 8 32 3 3 1 10 8 13 9 12 5 13 8 8 5 13 5 11 7 1 125 0 625 24 88 0 70 8 31 2 31 2 39 5 83 7 37 8 32 3 2 3 10 8 13 9 14 9 13 8 8 6 8 3 13 2 1 125 0 625 ...

Page 7: ... EVAP SECTION EVAP RETURN DUCT DISCH CONN LIQUID CONN EVAP SUPPLY DUCT Blower Opening DISCH DIA SWAGE ID LIQUID DIA SWAGE ID A B C D E F G H I J L N O P Q T R S 16 88 0 66 7 31 2 31 2 35 5 83 7 33 8 32 3 3 1 10 8 13 9 12 5 13 8 2 6 13 5 11 7 1 125 0 625 24 88 0 70 8 31 2 31 2 39 5 83 7 37 8 32 3 2 3 10 8 13 9 14 9 13 8 2 6 8 3 13 2 1 125 0 625 D ...

Page 8: ...ide inlet filters to protect the coils or locate the unit in an area free from airborne dirt or other foreign material which could clog the coils The units are designed to pass through most 36 in door openings The filter rack may also be removed for additional clearance UNIT 50XCR 06 08 12 14 16 24 TONS 5 7 5 10 12 15 20 UNIT OPERATING WEIGHT lb 600 799 1001 1079 1231 1629 COMPRESSOR Scroll Compre...

Page 9: ...e unit for routine servicing Step 4 Install Return Air Ductwork Unit is designed for free return through the unit mounted grille and filters When installing ductwork and filter rack use accepted ductwork installation procedures and do not hang the ductwork from the unit Follow all applicable codes Step 5 Check Return Air Filters Be sure filters shipped with unit are the correct size see Table 2 Ne...

Page 10: ...lowing formula to determine the percent of voltage imbalance Percent Voltage Imbalance Example Supply voltage is 460 3 60 50XC UNIT SIZE CIRCUIT LENGTH OF RUN ft 0 to 15 16 to 25 26 to 50 51 to 75 76 to 100 DIS LIQ DIS LIQ DIS LIQ DIS LIQ DIS LIQ 06 1 5 8 1 2 7 8 1 2 7 8 1 2 7 8 5 8 7 8 5 8 08 1 5 8 1 2 7 8 1 2 7 8 1 2 7 8 5 8 7 8 5 8 12 1 7 8 5 8 7 8 5 8 11 8 5 8 11 8 5 8 11 8 5 8 14 1 7 8 5 8 7 ...

Page 11: ...or field power connections all main power wiring enters the unit through a factory punched access hole under the control box At tach power wires to the power connections on the main power ter minal block in the unit control box Be sure to install a ground wire CONTROL WIRING All units require an accessory thermostat package to complete the unit control system For a room mounted thermostat the ther...

Page 12: ...30 3 60 187 253 19 6 136 19 2 136 460 3 60 414 506 8 2 66 8 7 66 575 3 60 518 632 6 6 55 6 9 55 16 208 230 3 60 187 253 28 7 191 23 0 149 460 3 60 414 506 13 3 100 11 0 75 575 3 60 518 632 10 0 78 8 0 54 24 208 230 3 60 187 253 40 7 240 28 7 191 460 3 60 414 506 19 3 140 13 3 100 575 3 60 518 632 15 6 107 10 0 78 FLA Full Load Amps LRA Locked Rotor Amps NEC National Electrical Code RLA Rated Load ...

Page 13: ...10 5 8 in long screws provided with plenum Install 3 screws along each plenum side and 5 screws along plenum front and rear mounting angles 4 Adjust four way deflection vanes as needed to ensure ade quate airflow distribution Fig 11 50XC Plenum Unit NOTE Remote sensor is field installed option W1 Y1 G W3 CK1 CK2 R C W2 Y2 RS2 RS 5 RS1 RS GND UNIT GROUND 33CS250 01 R G Y1 C Y2 TB2 50XC 12 SIZE UNIT...

Page 14: ... 0 96 1800 572 0 32 627 0 39 679 0 45 729 0 52 777 0 60 823 0 68 868 0 76 911 0 85 953 0 94 994 1 03 1900 604 0 38 656 0 45 706 0 52 754 0 59 800 0 67 844 0 75 887 0 83 929 0 92 970 1 01 1009 1 11 2000 636 0 44 685 0 51 733 0 58 779 0 66 823 0 74 866 0 83 908 0 91 948 1 01 988 1 10 1026 1 20 2100 668 0 51 715 0 58 760 0 66 804 0 74 847 0 82 888 0 91 929 1 00 968 1 09 1006 1 19 1044 1 29 2200 699 0...

Page 15: ...Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp 2200 497 0 27 581 0 39 655 0 52 722 0 66 782 0 80 839 0 95 892 1 11 941 1 28 989 1 45 1034 1 62 2400 542 0 35 621 0 48 690 0 62 753 0 77 812 0 92 866 1 08 917 1 25 966 1 42 1012 1 60 1056 1 78 2600 587 0 45 660 0 59 726 0 74 787 0 89 843 1 06 895 1 22 945 1 40 992 1 58 1037 1 76 1080 1 95 2800 632 0 56 701 0 71 763 0 87 821 1 04 875 1 21 925 1 38 974 1 57 1019 1 75 ...

Page 16: ... 806 1 38 852 1 56 897 1 76 4000 508 0 63 547 0 71 588 0 81 632 0 92 677 1 04 722 1 17 768 1 31 814 1 47 859 1 65 903 1 85 4200 533 0 73 570 0 82 609 0 92 650 1 03 693 1 15 736 1 28 780 1 42 823 1 58 867 1 76 910 1 95 4400 559 0 83 594 0 93 631 1 03 670 1 15 710 1 27 751 1 40 792 1 54 834 1 70 876 1 87 917 2 06 4600 584 0 95 618 1 05 653 1 16 690 1 28 728 1 40 767 1 53 806 1 68 846 1 83 886 2 01 9...

Page 17: ...8 819 2 03 846 2 18 874 2 32 903 2 46 934 2 62 966 2 78 5700 733 1 28 763 1 61 789 1 85 815 2 05 841 2 22 867 2 37 894 2 52 921 2 67 950 2 82 980 2 98 5900 759 1 42 787 1 77 813 2 02 838 2 23 863 2 41 888 2 57 914 2 73 940 2 88 968 3 03 996 3 19 6100 784 1 57 812 1 93 838 2 20 862 2 42 886 2 62 910 2 79 934 2 95 960 3 11 986 3 27 1013 3 43 CFM ESP in wg 1 00 1 10 1 20 1 30 1 40 1 50 1 60 1 70 1 80...

Page 18: ...7 673 1 90 718 2 13 761 2 37 802 2 61 841 2 86 879 3 11 916 3 37 951 3 63 6500 598 1 63 647 1 86 693 2 10 737 2 34 778 2 59 818 2 84 857 3 09 894 3 35 929 3 62 964 3 89 6750 621 1 83 668 2 07 713 2 32 755 2 57 796 2 82 835 3 08 872 3 34 909 3 61 944 3 89 978 4 16 7000 644 2 04 689 2 29 733 2 55 774 2 81 814 3 07 852 3 34 888 3 61 924 3 89 958 4 17 992 4 46 7250 667 2 27 711 2 53 753 2 80 793 3 07 ...

Page 19: ...56 5 38 1091 5 77 8 000 743 2 60 790 2 96 835 3 32 878 3 69 918 4 07 958 4 45 996 4 84 1033 5 23 1068 5 63 1103 6 04 8 300 771 2 90 817 3 27 860 3 65 901 4 03 941 4 42 979 4 82 1017 5 22 1053 5 63 1087 6 04 1121 6 45 8 600 799 3 23 843 3 61 885 4 00 925 4 40 964 4 80 1001 5 21 1038 5 62 1073 6 04 1107 6 47 1140 6 89 8 900 827 3 58 869 3 98 910 4 38 949 4 79 987 5 20 1024 5 62 1059 6 05 1093 6 48 1...

Page 20: ...om pressor will stop first and then the first stage compressors will stop when cooling demand is satisfied 2 SPEED FAN OPERATION SEQUENCE On the VFD the following parameters must be set on each unit To change the parameters 1 Press MENU 2 Select Parameters 3 Press ENTER 4 Select sub group first two digits of the parameters 5 Press SEL 6 Select parameter 7 Press EDIT 8 Select the new value see Tabl...

Page 21: ... off unit power supply Lock out power supply and tag discon nect locations Loosen fan motor pulley setscrews and slide fan pulley along fan shaft Make angular alignment by loosening mo tor from mounting bracket see Fig 12 Check alignment with a straightedge Belt Tension Adjustment Shut off unit power supply Lock out power supply and tag discon nect locations Loosen fan motor mounting plate bolts D...

Page 22: ...rload Reset wheel to M O referred to as Manual Reset 3 On the starter depress the Motor Overload Reset wheel wheel also acts as reset button 4 Turn the Power Switch Disconnect Switch of the Start Stop Station to the ON Position Fig 15 Motor Starter Setting Table 14 Evaporator and Condenser Motor Starter Settings 1 9 1 6 1 3 M M O A O A RESET O CLASS 20 TEST OVERLOAD SETPOINT WHEEL MOTOR OVERLOAD R...

Page 23: ...e temperature allow a tolerance of 3 F Example Head pressure from gage 416 4 psig Saturated condensing temp from chart 120 F Liquid line temp from thermometer 100 F Subcooling by subtraction 20 F Table 15 Subcooling Temperature Saturated condensing temperature at compressor minus liquid line temperature NOTE Do not vent or depressurize unit refrigerant to atmosphere Remove and recover refrigerant ...

Page 24: ...ng phase Check TXV Check temperature in suction discharge line Unit is Noisy Compressor noise Check TXV and replace if necessary Check internal noise Tube vibration or condenser water problem Check and correct Unit panel or part vibrating Check and tighten appropriate part Unit Runs Continuously but has Low Capacity Unit is undersized Check heat load calculation Low refrigerant or noncondensing ga...

Page 25: ...k building load Low refrigerant Check for and repair leaks and add refrigerant as necessary Low airflow in evaporator Clean filter Remove scale Check for blockage in ducts Check fan rotation Check motor operation Check belts Low refrigerant flow in evaporator Check for obstruction in filter drier Check for obstruction in TXV Check super heating Check position of TXV bulb and equalizer Suction Pres...

Page 26: ...nued on Low Voltage Diagram LEGEND AND NOTES FOR FIG 16 18 NOTES 1 Fan motors are inherently thermally protected 2 Three phase motors are protected under primary single phase conditions 3 Use conductors suitable for at least 194 F 90 C when replacing factory wiring 4 Use copper conductors only 5 Wiring for field power supply must be rated at 165 F 75 C minimum LEGEND C Compressor Contactor CH Cran...

Page 27: ... 2 CR2 510 BLK 501 RED 501 RED 561 RED 509 BRN 510 BLK 521 BLU 530 PNK 3 LOGIC 1 2 CLO2 HPS2 FRZ2 LPS2 A B C2 534 PNK 535 PNK 539 BRN 538 PNK 533 PNK 540 BRN 540 BRN 537 BLK 536 BLK 532 PNK TB2 R Y1 R C G Start Stop Relay in Remote Condenser Y1 R C G FIELD T STAT Y2 Y2 Page 22 Fig 16 Typical Wiring Schematic 50XCR12 24 208 230 3 60 Units Shown cont NOTE See legend and notes on page 26 Continued on...

Page 28: ...1 L2 L3 L1 GND 100 BLK 101 BLK 102 BLK GND 2 1 3 COMP2 130 BLK 132 BLU 131 YEL 127 BLK 129 BLU 128 YEL C2 134 BLK 135 BLK CH2 CLO2 Loop T2 L2 T1 L1 T3 L3 2 1 3 Continued on Low Voltage Diagram TB3 Important Tran1 and Tran3 power separate 24V Circuits These circuits shall not be interconnected and separation shall be maintained 460V 3 60 Hz 152 BLK 153 YEL 154 BLK 155 YEL FU1 FU2 FU3 590 BRN 591 OR...

Page 29: ...ONOMIZER HARNESS REPLACES THE FACTORY SHORTING PLUG FIELD INSTALLED SAT SENSOR CONNECTS TO CIRCUITS 6 7 Continued on Line Voltage Diagram 501 RED 561 RED 501 RED 1 3 CR1 531 BRN 609 PNK 609 PNK 9 4 2 CR1 3 LOGIC 1 2 CLO2 HPS2 FRZ2 LPS2 A B C2 534 PNK 535 PNK 539 BRN 538 PNK 540 BRN 537 BLK 536 BLK 532 PNK 561 RED Continued on Line Voltage Diagram 4 2 CR2 580 BLK A B SV1 581 BRN 563 RED 580 BLK A B...

Page 30: ...EL 505 YEL 504 RED 605 BLU ECON 1 6 7 3 4 11 10 12 601 RED 602 BLU 603 YEL 604 BRN 608 PNK 8 5 2 Y2 608 PNK W2 D2 D1 604 BRN 603 YEL 601 RED 550 BLK REMOVE JUMPER BLK 600 WHEN CONNECTING AIR SIDE ECONOMIZER OCCUPANCY CONTROL WHEN FIELD INSTALLED THE ECONOMIZER HARNESS REPLACES THE FACTORY SHORTING PLUG FIELD INSTALLED SAT SENSOR CONNECTS TO CIRCUITS 6 7 Continued on Line Voltage Diagram 501 RED 56...

Page 31: ...OWER WIRES TO THE UNIT SIZEDAND INSTALLED PROPERLY Y N _______ HAVE EVAPORATOR FAN AND MOTOR PULLEYS BEEN CHECKED FOR PROPER ALIGNMENTAND DO THE FAN BELTS HAVE PROPER TENSION Y N _______ HAS CORRECT FAN ROTATION OR EVAPORATOR BEEN CONFIRMED Y N _______ VERIFY CONDENSATE DRAIN HAS BEEN INSTALLED PER INSTRUCTIONS Y N _______ HAS WATER BEEN PLACED IN DRAIN PAN TO CONFIRM PROPER DRAINAGE Y N _______ A...

Page 32: ...T 15 MINUTES RUNNING TIME RECORD THE FOLLOWING MEASUREMENTS COMPRESSORAMPS NOTES _______________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________...

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