Carrier 50SZ Guide- Manuals

Page 2 - Table of contents; Page

2 50SZ ambient kit is available as a field-installed accessory and does not require a special motor. Corporate thermostats work with Carrier’s small packaged products as a system to promote year round comfort. Refrigerant system is designed to provide dependability. Liquid refrigerant strainers are ...

Page 3 - Model number nomenclature; COOLING CAPACITIES AND EFFICIENCIES; HEATING CAPACITIES AND EFFICIENCIES

3 50SZ Model number nomenclature ARI* capacities COOLING CAPACITIES AND EFFICIENCIES 50SZ 024 Model No. 50SZ – Single Packaged Heat Pump Nominal Cooling Capacity (Tons)024 – 2 030 – 2-1/2 036 – 3 042 – 3-1/2 048 – 4 060 – 5 UNIT 50SZ NOMINAL TONS STANDARD CFM NET COOLING CAPACITIES (Btuh) SEER† SOUN...

Page 4 - OUTDOOR SOUND: OCTAVE BAND DATA—DECIBELS; Physical data; ELECTRIC HEAT PRESSURE DROP TABLES

4 50SZ OUTDOOR SOUND: OCTAVE BAND DATA—DECIBELS Physical data * Air filter pressure drop for non-standard filters must not exceed 0.08 in. wg. UNIT 50SZ Frequency (Hz) 024 030 036 042 048 060 125 55.9 54.7 57.8 58.4 67.8 64.8 250 57.0 60.0 62.4 63.1 68.9 66.5 500 63.9 66.6 69.5 66.2 71.7 70.4 1000 6...

Page 5 - Options and accessories; ELECTRIC HEATERS; Minimum Airflow for Reliable Electric Heater Operation

5 50SZ Factory-installed optionsLouvered grille provides hail and vandalism protection. A wire grille is standard on all models. See model number nomenclature for louvered grille options. Coil options include copper/copper and vinyl-coated construction for refrigerant coils. Units are shipped standa...

Page 9 - Accessory dimensions

9 50SZ Accessory dimensions NOTES:1. Roof curb must be set up for unit being installed.2. Seal strip must be applied, as required, to unit being installed.3. Dimensions in [ ] are in millimeters.4. Roof curb is made of 16-gage steel.5. Table lists only the dimensions, per part number, that have chan...

Page 11 - Performance data; COOLING EXTENDED PERFORMANCE TABLE

11 50SZ Performance data COOLING EXTENDED PERFORMANCE TABLE HEATING EXTENDED PERFORMANCE TABLE -10–20 HEATING EXTENDED PERFORMANCE TABLE 30–60 See Legend and Notes on page 17. *At 75°F entering dry bulb—Tennessee Valley Authority [TVA] rating conditions; all others at 80°F entering dry bulb. 50SZ024...

Page 20 - Typical piping and wiring

20 50SZ INDOORTHERMOSTAT DISCONNECTPER NEC FROMPOWERSOURCE RETURNAIR TOP COVER Typical piping and wiring

Page 21 - Application data

21 50SZ Condensate trap — A 2-in. condensate trap must be field supplied. Ductwork — Secure downflow discharge ductwork to roof curb. For horizontal discharge applications, attach ductworkto unit with flanges. To convert a unit to downflow discharge — Units are equipped with factory-installed insert...

Page 22 - Electrical Data

22 50SZ Electrical Data *Heater capacity (kW) based on heater voltage of 208v, 240v, & 480v. If power distribution voltage to unit varies from rated heater voltage, heater kW will vary accordingly. UNIT SIZE 50SZ V-PH-Hz VOLTAGE RANGE COMPRESSOR OUTDOOR FAN MOTOR INDOOR FAN MOTOR ELECTRIC HEAT P...

Page 23 - Electrical Data Legend

23 50SZ Electrical Data Legend 452 = 5 v 457 = 7 v455 = 2 v LEGEND FLA — Full Load Amps LRA — Locked Rotor Amps MCA — Minimum Circuit Amps MOCP — Maximum Overcurrent ProtectionRLA — Rated Load Amps NOTES:1. In compliance with NEC (National Electrical Code) requirements for multimotor and combination...

Page 25 - Sequence of operation; On units with crankcase heater, heater is also energized.; Cooling —; With the thermostat subbase in the cooling; Heating; — On a call for heat, thermostat makes circuits; Defrost; — Defrost board (DB) is a time and temperature; Controls

25 50SZ Sequence of operation When power is supplied to unit, the transformer (TRAN) isenergized. On units with crankcase heater, heater is also energized. Cooling — With the thermostat subbase in the cooling position, the thermostat makes circuit R-O. This energizesthe reversing valve solenoid (RVS...

Page 26 - Guide specifications

26 50SZ Packaged Heat PumpsConstant Volume Application HVAC Guide Specifications Size Range: 2 to 5 Tons, Nominal Cooling Carrier Model Number: 50SZ Part 1—General SYSTEM DESCRIPTION Outdoor packaged air to air heat pump unit utilizing a hermetic compressor for cooling duty and optional elec-tric he...

Carrier 50SZ Guide- Manuals

Manuals:

User Manual Carrier 50SZ Guide

Summary

Carrier Manuals