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Carrier OMNIZONE 50XCA06-24 manual

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  • Page 1

    Copyright 2010 Carrier Cor poration Form 50XCA-1PD The 50XCA single-pac kage cooling units with integ ral air-cooled condensers off er : • Compact, dur able , and attr active cabinet fits an y working environmen t • A vailab le in ducted or free retur n with rear return connections with v er tical supply air disch arge • Provides high-efficie[...]

  • Page 2

    2 The compact footprint and service from the front of the units save valu- able floor space in equipment rooms. Belt drive condensers provide adequate static to overcome ducting and louver static losses. This allows units to be po- sitioned against an existing window or wall louver , or ducted to the outside, as required. These units can be install[...]

  • Page 3

    3 AHRI* capacity ratings LEGEND *AHRI — Air Conditioning, Heating, and Refrigeration Institute. NO TE: Unit is tested in acco rdance with AHRI standard 340/360. UNIT 50XCA NOMINAL TO N S EV APORA T OR CFM CONDENSER CFM NET COOLING (Btuh) TOT A L kW EER IEER 06 5 1,875 2,800 65,000 5.8 11.2 11.4 08 7 1 / 2 2,625 3,500 80,000 7.1 11.2 11.4 12 10 3,[...]

  • Page 4

    4 LEGEND UNIT 50XCA 06 08 12 14 16 24 NOMINAL CAP ACITY (tons) 57 1 / 2 10 12 15 20 UNIT OPERA TING WEIGHT (lb) 891 1144 1269 1298 1575 2000 COMPRESSOR Copeland S croll Compressor Model ZP57 ZP67 ZP51 ZP57 ZP72 ZP103 Qty 112222 Steps of Control 112222 Operating Charge R-410A (lb ) 17.4 21.4 15.5 / 14.6 22.1 / 20.8 26.1 / 19.1 26.6 / 19.5 EV APORA T[...]

  • Page 5

    5 50XCA06 Q P O N Q 50XCA08,12,14 Q N P N O Q RIGHT VIEW TOP VIEW REAR VIEW EVAP ACCESS TOP VIEW PANEL CONDENSER ACCESS PANEL INDOOR SUPPLY AIR FLOW R G F K J H R U M A I T S U L FRONT VIEW CONTROL BOX DISCONNECT (OPT) AIR FLOW (BOTH SIDES) OUTDOOR RTN AIR FLOW FILTER ACCESS INDOOR RTN CONDENSER DISCHARGE COND VFD (OPT) C B E D 6.4 (1"-2"[...]

  • Page 6

    6 C 4.9 (1"-2" FLTR) E D B 1.2 OUTDOOR RTN AIR FLOW INDOOR RTN AIR FLOW FILTER ACCESS (BOTH SIDES) COND VFD (OPT) A F I G H T U V S S S V K J M L 13.2 N N N Q Q O R R P SS V V T U TOP VIEW RIGHT VIEW REAR VIEW INDOOR SUPPLY AIR FLOW CONDENSER DISCHARGE REAR VIEW 50XCA24 50XCA16 NO TE: Dimensions are in inches. UNIT 50XCA WIDTH HEIGHT DEPT[...]

  • Page 7

    7 Selection pr ocedure (50XCA08 unit example) I Determine design conditions. Given: Cooling Requir ements T otal Cooling Capacity (TC) . . . . . . . . . 82,000 Btuh Sensible Cooling Capacity (SHC) . . . . . 65,000 Btuh Evaporator Air Quantity . . . . . . . . . . . . . 3,000 Cfm Condenser Air Quantity . . . . . . . . . . . . . 3,500 Cfm Summer Enter[...]

  • Page 8

    8 GROSS COOLING CAP ACITIES LEGEND 50XCA06 (5 T ONS) Entering Condenser Air AIR ENTERING EV APORA TOR — 80 F Edb (F) - CFM 2500 2000 1500 Air Entering Ev aporator — Ewb (F) ECT (F) CFM 57 62 67 75 57 62 67 75 57 62 67 75 BF 0.20 0.10 0.10 0. 03 0..34 0.15 0. 14 0.10 0.44 0.22 0.18 0.15 55 2100 TC 73.4 74.8 80.4 90 .4 68.8 71.9 77.8 87.8 62. 9 6[...]

  • Page 9

    9 GROSS COOLING CAP ACITIES (cont) LEGEND 50XCA08 (7 1 / 2 T ons) Entering Condenser Air AIR ENTERING EV APORA TOR — 80 F Edb (F) - CFM 3750 3000 2250 Air Entering Ev aporator — Ewb (F) ECT (F) CFM 57 62 67 75 57 62 67 75 57 62 67 75 BF 0.30 0.11 0.10 0.06 0 .43 0.20 0.13 0.12 0.52 0. 31 0.17 0.16 55 2625 TC 95.1 95.4 100.9 113.5 89.6 91.1 98.1[...]

  • Page 10

    10 GROSS COOLING CAP ACITIES (cont) LEGEND 50XCA12 (10 T ONS) Entering Condenser Air AIR ENTERING EV APORA TOR — 80 F Edb (F) - CFM 5000 4000 3000 Air Entering Ev aporator — Ewb (F) ECT (F) CFM 57 62 67 75 57 62 67 75 57 62 67 75 BF 0.23 0.06 0.05 0.03 0 .37 0.13 0.08 0.06 0.46 0. 23 0.11 0.10 55 4800 TC 140.7 140.9 151.0 1 71.6 131.8 135.1 146[...]

  • Page 11

    11 GROSS COOLING CAP ACITIES (cont) LEGEND 50XCA14 (12 T ONS) Entering Condenser Air AIR ENTERING EV APORA TOR — 80 F Edb (F) - CFM 6000 4800 3600 Air Entering Ev aporator — Ewb (F) ECT (F) CFM 57 62 67 75 57 62 67 75 57 62 67 75 BF 0.24 0.09 0.08 0.05 0 .38 0.15 0.12 0.10 0.47 0. 25 0.15 0.13 55 6000 TC 165.3 166.3 178.4 2 02.5 155.0 159.4 172[...]

  • Page 12

    12 GROSS COOLING CAP ACITIES (cont) LEGEND 50XCA16 (15 T ONS) Entering Condenser Air AIR ENTERING EV APORA TOR — 80 F Edb (F) - CFM 7500 6000 4500 Air Entering Ev aporator — Ewb (F) ECT (F) CFM 57 62 67 75 57 62 67 75 57 62 67 75 BF 0.26 0.06 0.05 0.03 0 .39 0.15 0.08 0.06 0.48 0. 26 0.11 0.09 55 6000 TC 203.8 204.2 216.8 2 45.4 191.2 194.5 210[...]

  • Page 13

    13 GROSS COOLING CAP ACITIES (cont) LEGEND 50XCA024 (20 T O NS) Entering Condenser Air AIR ENTERING EV APORA TOR — 80 F Edb (F) - CFM 10,000 8,000 6,000 Air Entering Ev aporator — Ewb (F) ECT (F) CFM 57 62 67 75 57 62 67 75 57 62 67 75 BF 0.22 0.06 0.05 0.02 0 .36 0.12 0.08 0.06 0.46 0. 22 0.11 0.09 55 8,550 TC 283.6 283.9 303.4 3 43.6 266.0 27[...]

  • Page 14

    14 CONDENSER F AN PERFORMANCE LEGEND Bhp — Brake Horsepo wer ESP — External S tatic Pr essure NO TE S : 1. Units are availab le with se veral motor hp options . Refer to the physical data tab le. 2. S tatic pressure losses must be appl ied to e xter nal static pressure before entering the f an performance table . 3. Interpolation is per mitt ed[...]

  • Page 15

    15 CONDENSER F AN PERFORMANCE (cont) LEGEND Bhp — Brake Horsepo wer ESP — External S tatic Pr essure NO TE S : 1. Units are availab le with sev eral motor hp options. Ref er to the physical data tab le. 2. S tatic pressure losses must be appl ied to external static pressure before entering the f an performance table . 3. Interpolation is per mi[...]

  • Page 16

    16 CONDENSER F AN PERFORMANCE (cont) LEGEND Bhp — Brake Horsepo wer ESP — External S tatic Pr essure NO TE S : 1. Units are availab le with se veral motor hp options . Refer to the physical data tab le. 2. S tatic pressure losses must be appl ied to e xter nal static pressure before entering the f an performance table . 3. Interpolation is per [...]

  • Page 17

    17 CONDENSER F AN PERFORMANCE (cont ) LEGEND Bhp — Brake Horsepo wer ESP — External S tatic Pr essure NO TE S : 1. Units are availab le with sev eral motor hp options. Ref er to the physical data tab le. 2. S tatic pressure losses must be appl ied to external static pressure before entering the f an performance table . 3. Interpolation is per m[...]

  • Page 18

    18 CONDENSER F AN PERFORMANCE (cont ) LEGEND Bhp — Brake Horsepo wer ESP — External S tatic Pr essure NO TE S : 1. Units are availab le with se veral motor hp options . Refer to the physical data tab le. 2. S tatic pressure losses must be appl ied to e xter nal static pressure before entering the f an performance table . 3. Interpolation is per[...]

  • Page 19

    19 CONDENSER F AN PERFORMANCE (cont) LEGEND Bhp — Brake Horsepo wer ESP — External S tatic Pr essure NO TE S : 1. Units are availab le with sev eral motor hp options. Ref er to the physical data tab le. 2. S tatic pressure losses must be appl ied to external static pressure before entering the f an performance table . 3. Interpolation is per mi[...]

  • Page 20

    20 EV APORA TOR F AN PERFORMANCE LEGEND Bhp — Brake Horsepo wer ESP — External S tatic Pr essure NO TE S : 1. Units are availab le with se veral motor hp options . Refer to the physical data tab le. 2. S tatic pressure losses must be appl ied to e xter nal static pressure before entering the f an performance table . 3. Interpolation is per mitt[...]

  • Page 21

    21 EV APORA TOR F AN PERFORMANCE (cont) LEGEND Bhp — Brake Horsepo wer ESP — External S tatic Pr essure NO TE S : 1. Units are availab le with sev eral motor hp options. Ref er to the physical data tab le. 2. S tatic pressure losses must be appl ied to external static pressure before entering the f an performance table . 3. Interpolation is per[...]

  • Page 22

    22 EV APORA TOR F AN PERFORMANCE (cont ) LEGEND Bhp — Brake Horsepo wer ESP — External S tatic Pr essure NO TE S : 1. Units are availab le with se veral motor hp options . Refer to the physical data tab le. 2. S tatic pressure losses must be appl ied to e xter nal static pressure before entering the f an performance table . 3. Interpolation is [...]

  • Page 23

    23 EV APORA TOR F AN PERFORMANCE (cont) LEGEND Bhp — Brake Horsepo wer ESP — External S tatic Pr essure NO TE S : 1. Units are availab le with sev eral motor hp options. Ref er to the physical data tab le. 2. S tatic pressure losses must be appl ied to external static pressure before entering the f an performance table . 3. Interpolation is per[...]

  • Page 24

    24 EV APORA TOR F AN PERFORMANCE (cont ) LEGEND Bhp — Brake Horsepo wer ESP — External S tatic Pr essure NO TE S : 1. Units are availab le with se veral motor hp options . Refer to the physical data tab le. 2. S tatic pressure losses must be appl ied to e xter nal static pressure before entering the f an performance table . 3. Interpolation is [...]

  • Page 25

    25 EV APORA TOR F AN PERFORMANCE (cont) LEGEND Bhp — Brake Horsepo wer ESP — External S tatic Pr essure NO TE S : 1. Units are availab le with sev eral motor hp options. Ref er to the physical data tab le. 2. S tatic pressure losses must be appl ied to external static pressure before entering the f an performance table . 3. Interpolation is per[...]

  • Page 26

    26 UNIT ELECTRICAL DA T A LEGEND NO TE S : 1. In compliance with NEC requirements for multimotor and combination load equipment (NEC Ar ticles 430 and 440), the overcurrent prot ectiv e device f or the unit shall be fuse or HACR circuit break er. Canadian units ma y be fuse or circuit breaker . 2. Wire sizing amps are a sum of 125% of the compresso[...]

  • Page 27

    27 F AN ELECTRICAL DA T A LEGEND MO TOR CODE HP V -PH- Hz VO L T AG E RANGE FLA Min Max B0 . 5 0 208/230-3-60 187 253 1.8/2.2 460-3-60 414 506 1.1 575-3-60 518 632 — C0 . 7 5 208/230-3-60 187 253 2.5/2.6 460-3-60 414 506 1.3 575-3-60 518 632 1 D1 . 0 0 208/230-3-60 187 253 3.4/3.0 460-3-60 414 506 1.5 575-3-60 518 632 1.1 E1 . 5 0 208/230-3-60 18[...]

  • Page 28

    28 IFM COMP1 12 1 / BLK 12 3 / BL U 12 2 / YE L 11 8 / BLK 12 0 / BL U 11 9 / YE L C1 12 5 / BLK 12 6 / BLK C H 1 TB1 CL O 1-Loo p 10 3 / BLK 10 4 / YE L 10 5 / BL U 10 6 / BLK 10 7 / YE L 10 8 / BL U 10 9 / GR N 11 1 / BLK 11 2 / YE L 11 3 / BL U 2 1 3 T2 L2 T1 L1 T 3 L 3 15 0 / BLK 15 1 / YE L 50 1 / RED 50 0 / BR N IF C / IFR DIS C 1 L2 L 3 L1 G[...]

  • Page 29

    29 TB 3 3 LOGI C 1 2 CL O 1 HP S 1 FR Z 1 LP S 1 T B 2 A B C1 52 3 BLU 52 4 BL U 52 8 BR N 52 7 BL U 52 2 BL U 52 9 BR N R C G A B IF C Y 1 52 9 BR N 52 6 BLK 52 5 BLK 96 95 IFR Y 2 1 3 CR1 50 9 BR N 51 1 BR N 51 9 BR N 5 3 1 BR N 5 3 0 PNK 52 0 BL U 4 2 CR1 51 0 BLK 50 1 RED 501 RE D 56 1 RED 50 9 BR N 51 0 BLK 52 0 BLU 5 3 0 PNK 3 LOGI C 1 2 CL O[...]

  • Page 30

    30 Operating sequence All units require the addition of a ther mostat accessory package to complete the control circuit. The sequence of operation may vary depending on which package is selected. Room-mounted the rmostat — The unit uses an electronic ther mostat mounted in the conditioned space. Fan circulation — When the ther mostat selector s[...]

  • Page 31

    31 LEGEND NO TE S : 1. Wiring and piping shown are general points of connection guides only and are not intended for or to include al l details for a specific installation. 2. All wiring must comply with applicable local and national codes. 3. All piping must f ollow standard piping techn iques. Ref er to Carrier S ys- tem Design Manual P ar t 3 fo[...]

  • Page 32

    32 Location For best results unit must b e properly located and installed. Selected location should not be adjacent to an acoustically sensitive space, for example a co nference room or execu- tive office. The best location is in mechanical rooms near areas like elevators, restrooms, stairways, or similar spaces. The mechanical roo m should use con[...]

  • Page 33

    33 Setting condenser fan speed The 50XCA condenser has a centrifugal blower and a vari- able pitch drive which allow adjusting the condenser air flow to match the static from the louvers, ductwork, filters, and sound traps (if used). It is best to adjust the fan to the nominal air flow and th e rpm which will achieve this per for mance. Excess air [...]

  • Page 34

    34 Indoor Self-Contain ed Air-Cooled Unit Constant V olume Application HV AC Guide Specifications Size Range: 5 to 20 T ons Carrier Model Number: 50XCA Part 1 — General 1.01 SYSTEM DESCRIPTION Indoor pack aged vertical air -cooled cooling unit using her metic scroll compressors and built-in con- denser fan for cooling duty . Un it shall dischar g[...]

  • Page 35

    35 ambient. Units shall be able to o perate down to 0° F when equipped with low ambient option. I. Controls and Safeties: 1. Units shall be furnished with a co ntrol ter minal block for connection of low voltage contro ls and ther mostats. 2. Unit shall require a room-mounted ther mostat mounted in the conditioned space. Ther mostat shall be digit[...]

  • Page 36

    Manufacturer reserves the right to dis continue, or change at any time, specifications or designs without not ice and without inc urring obligations. Pg 36 Catalog No . 04-52500052-01 Printed in U . S .A. Form 50XCA-1 PD Replac es: New S ection 5 Ta b 5 a Carrier Cor poration • S yracuse, New Y ork 13221 310 2-10[...]