Carrier 13 50XP- Manuals

Page 2 - Thermostatic Expansion Valve; fl; fl; fl; Table of contents; Page

2 50XP cooling unit that is pre-wired, pre-piped, and pre-charged for minimum installation expense. 50XP units are available in a variety of standard cooling sizes with voltage options to meet residential and light commercial requirements. Units are light weight, and install easily on a rooftop or a...

Page 3 - Model number nomenclature; COOLING CAPACITIES AND EFFICIENCIES

3 50XP Model number nomenclature ARI* capacities COOLING CAPACITIES AND EFFICIENCIES 50XP 024 3 UNIT 50XP NOMINAL TONS STANDARD CFM NET COOLING CAPACITIES (Btuh) EER@A** SEER† SOUND RATINGS‡ (dB) 024 2 800 24,000 11.0 13.0 72 030 2-1/2 1000 28,800 11.0 13.0 72 036 3 1100 36,000 11.0 13.0 72 042 3-1/...

Page 4 - Physical data

4 50XP OUTDOOR SOUND: OCTAVE BAND DATA—DECIBELS (Lw(A)) Physical data * Required fi lter sizes shown are based on the larger of the ARI (Air Conditioning & Refrigeration Institute) rated cooling air fl ow or the heating air fl ow velocity of 300 ft/min for throwaway type or 450 ft/min for high-c...

Page 5 - Options and accessories; ELECTRIC HEATERS; MINIMUM AIRFLOW FOR RELIABLE ELECTRIC HEATER OPERATION

5 50XP Factory-installed optionsCoil options include Tin-Plated* indoor hairpins, copper/ copper and vinyl-coated construction for refrigerant coils. Units are shipped standard with copper tube/aluminum fi n construction. See model number nomenclature for coil options.*Tin-Plated indoor coils are bu...

Page 9 - Accessory dimensions

9 50XP Accessory dimensions UNIT SIZE ODS CATALOG NUMBER A in. [mm] B in. [mm] C in. [mm] D in. [mm] 50XP024-036 CPRFCURB006A00 8 [203] 11 [279] 16-1/2 [419] 28-3/4 [730] CPRFCURB007A00 14 [356] 11 [279] 16-1/2 [419] 28-3/4 [730] 50XP042-060 CPRFCURB008A00 8 [203] 16-3/16 [411] 17-3/8 [441] 40-1/4 [...

Page 10 - External static pressure; V Select unit that corresponds to power source available.; Selection Procedure

10 50XP I Determine cooling and heating requirements at design conditions: Given:Required Cooling Capacity (TC) . . . . . . . . . . 34,500 BtuhSensible Heat Capacity (SHC). . . . . . . . . . . . 26,000 BtuhRequired Heating Capacity . . . . . . . . . . . . . . 15,000 BtuhCondenser Entering Air Temper...

Page 11 - Standard ECM Indoor Motor; COOLING CAPACITIES

11 50XP Performance data- Standard ECM Indoor Motor COOLING CAPACITIES See Legend and Notes on page 13. 50XP024 COOLING PERFORMANCE TABLE Temp (F) Outdoor Air Entering Condenser Evaporator Air—CFM/BF 800/0.026 900/0.032 1000/0.04 Evaporator Air — Ewb (F) 62 63* 67 72 62 63* 67 72 62 63* 67 72 75 TCS...

Page 14 - ELECTRIC HEAT PRESSURE DROP TABLES

14 50XP Performance data (cont) ECONOMIZER 1-in. FILTER PRESSURE DROP (in. wg) MULTIPLICATION FACTORS Example: 15.0 kW (at 240v) heater on 208 v = 15.0 (.75 mult factor)= 11.25 capacity at 208 v UNIT50XP PRESSURE DROP 024-036 0.20 042-060 0.25 HEATER kW RATING VOLTAGE DISTRIBUTION MULTIPLICATION FAC...

Page 16 - Typical piping and wiring

16 50XP INDOORTHERMOSTAT DISCONNECTPER NEC* FROMPOWERSOURCE RETURNAIR TOP COVER *NEC - NATIONAL ELECTRICAL CODE Typical piping and wiring ROOF RETURN-AIRFLEXIBLE DUCT CEILING CONCENTRIC DIFFUSER BOX(FIELD-SUPPLIED) SUPPLY-AIRFLEXIBLE DUCT ROOF-MOUNTINGCURB C00023 C00063 50XP

Page 17 - Application data

17 50XP Condensate trap — A 2-in. condensate trap must be fi eld supplied. Ductwork — Secure down fl ow discharge ductwork to roof curb. For horizontal discharge applications, attach ductworkto unit with fl anges. To convert a unit to down fl ow discharge — Units are equipped with factory-installed ...

Page 18 - Electrical data

18 50XP Electrical data UNIT SIZE 50XP V-PH-Hz VOLTAGE RANGE COMPRESSOR OUTDOOR FAN MOTOR INDOOR FAN MOTOR ELECTRIC HEAT POWER SUPPLY Min Max RLA LRA FLA FLA Nominal kW* FLA UNIT MCA MAX FUSE or CKT. BKR. MOCP 024 208/230-1-60 187 253 13.5 61.0 0.8 4.3 —/— 3.8/5 5.4/7.2 7.5/10 —/— 18.1/20.8 26/30 36...

Page 22 - Operating sequence; Cooling —; When the system thermostat calls for cooling, 24; Heating; — If accessory electric heaters are installed, on a; Controls

22 50XP Operating sequence Cooling — When the system thermostat calls for cooling, 24 V is supplied to the “Y” and “G” terminals of the thermostat.This completes the circuit to the contactor coil (C) andindoor (evaporator) fan time delay relay (TDR). Thenormally open contacts of C close and complete...

Page 23 - Guide specifications

23 50XP Packaged Electric Cooling Units Constant Volume Application HVAC Guide Specifications Size Range: 2 to 5 Tons, Nominal Cooling Carrier Model Number: 50XP Part 1—General SYSTEM DESCRIPTION Outdoor rooftop or ground mounted, electric coolingunit utilizing a hermetic compressor for cooling duty...