Carrier OMNIZONE 50XCA06-24- Manuals

7 Selection procedure (50XCA08 unit example) I Determine design conditions. Given: Cooling Requirements Total Cooling Capacity (TC) . . . . . . . . . 82,000 BtuhSensible Cooling Capacity (SHC) . . . . . 65,000 BtuhEvaporator Air Quantity. . . . . . . . . . . . . 3,000 CfmCondenser Air Quantity . . ....

8 GROSS COOLING CAPACITIES LEGEND 50XCA06 (5 TONS) Entering Condenser Air AIR ENTERING EVAPORATOR — 80 F Edb (F) - CFM 2500 2000 1500 Air Entering Evaporator — 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...

26 UNIT ELECTRICAL DATA LEGEND NOTE S : 1. In compliance with NEC requirements for multimotor and combination load equipment (NEC Articles 430 and 440), the overcurrent protective device for the unit shall be fuse orHACR circuit breaker. Canadian units may be fuse or circuit breaker. 2. Wire sizing ...

28 IFM COMP1 121/BLK 12 3 /BLU 122/YEL 11 8 /BLK 120/BLU 119/YEL C1 125/BLK 126/BLK CH1 TB1 CLO1-Loop 10 3 /BLK 104/YEL 105/BLU 106/BLK 107/YEL 10 8 /BLU 109/GRN 111/BLK 112/YEL 11 3 /BLU 2 1 3 T2 L2 T1 L1 T 3 L 3 150/BLK 151/YEL 501/RED 500/BRN IFC/IFR DISC1 L2L 3 L1 GND 100/BLK 101/BLK 102/BLK T 3...

30 Operating sequence All units require the addition of a thermostat accessorypackage to complete the control circuit. The sequence ofoperation may vary depending on which package isselected. Room-mounted thermostat — The unit uses an electronic thermostat mounted in the conditioned space.Fan circul...

31 LEGEND NOTE S : 1. Wiring and piping shown are general points of connection guides only and are not intended for or to include all details for a specific installation. 2. All wiring must comply with applicable local and national codes.3. All piping must follow standard piping techniques. Refer to...

32 Location For best results unit must be properly located and installed.Selected location should not be adjacent to an acousticallysensitive space, for example a conference room or execu-tive office. The best location is in mechanical rooms nearareas like elevators, restrooms, stairways, or similar...

33 Setting condenser fan speed The 50XCA condenser has a centrifugal blower and a vari-able pitch drive which allow adjusting the condenserairflow to match the static from the louvers, ductwork, filters, and sound traps (if used). It is best to adjust the fanto the nominal airflow and the rpm which ...

34 Indoor Self-Contained Air-Cooled UnitConstant Volume Application HVAC Guide Specifications Size Range: 5 to 20 Tons Carrier Model Number: 50XCA Part 1 — General 1.01 SYSTEM DESCRIPTION Indoor packaged vertical air-cooled cooling unitusing hermetic scroll compressors and built-in con-denser fan fo...