Carrier 50JZ Product Data

Also see for 50JZ 024-060: Installation and operating instructions Guide to operating and maintaining Guide to operating and maintaining Product data Installation, Start-Up and Service Instructions

Contents

5Factory-installed optionsCoil options include copper/copper and vinyl-coatedconstruction for refrigerant coils. Units are shippedstandard with copper tube/aluminum fin construction.See model number nomenclature for coil options.Field-installed accessoriesEconomizer with solid-state controls andbarometric relief dampers includes filter racks andprovide outdoor air during cooling and reducecompressor operation.Manual outside air damper includes hood and filterrack with adjustable damper blade for up to 25%outdoor air.Electric heaters provide additional heat in the unitwhen required. Each package has a heater module thatslides into the controls compartment. Heater sizesrange from 5.0 to 20.0 kw. The electric heater designallows the use of a single-point power supply for theentire unit, resulting in lower installed costs.Flat roof curbs in both 8 in. and 14 in. sizes areavailable for roof mounted applications.Square-to-round duct transition kit enables 024-048size units to be fitted to 14 in. round ductwork.Thermostats provide control for the system heating andcooling functions. Thermostat models are available inboth programmable and non-programmable versions.Lifting kit includes 4 metal brackets that fit into thehand-holds, a support strap and two safety straps, isavailable to assist in lifting this product onto a roofapplication.Crankcase heater provides anti-floodback protectionfor low-load cooling applications.Low-ambient kit (Motormaster II control) allowsthe use of mechanical cooling down to outdoortemperatures as low as 0°F.Solid-state Time Guard II device provides short-cycling protection for the compressor. Not requiredwith corporate electronic thermostats.Filter rack features easy installation, serviceability,and high-filtering performance for verticalapplications.Compressor Hard start kit gives a boost to thecompressor motor at each start-up.Economizer with Solid-State Controls and BarometricRelief DampersManual Air Damper (25% open)Electric HeatersFilter RackFlat Roof Curbs (8-in. and 14-in.)Square-to-Round Duct Transition KitThermostatsCrankcase HeaterLow Ambient Kit (Motormaster® II Control)Solid-State Time Guard® II DeviceLifting KitCompressor Hard Start KitOptions and accessoriesELECTRIC HEATERSLEGENDODS — Order Distribution SystemNOTE: Electric heaters are rated at 240v and 480v. Refer to Multiplication Factors table for other voltages.MINIMUM AIRFLOW FOR RELIABLE ELECTRIC HEATER OPERATIONODS CATALOGORDERING NO.NOMINAL CAPACITY(kW)USED WITH SIZES024 030 036 042 048 060ELECTRIC HEATERS (208/230 — SINGLE PHASE — 60 Hz)CPHEATER052A00 5.0 X X X X X XCPHEATER050A00 10.0 X X X X X XCPHEATER066A00 15.0 X X X X XCPHEATER054A00 20.0 X X XELECTRIC HEATERS (208/230 — 3 PHASE — 60 Hz)CPHEATER055A00 5.0 X X X X XCPHEATER056A00 10.0 X X X X XCPHEATER058A00 15.0 X X X X XCPHEATER067A00 20.0 X X XELECTRIC HEATERS (460 V — 3 PHASE — 60 Hz)CPHEATER060A00 5.0 X X X XCPHEATER061A00 10.0 X X X XCPHEATER062A00 15.0 X X X XCPHEATER063A00 20.0 X X XUNIT-50JZ 024 030 036 042 048 060AIRFLOW 800 1000 1200 1400 1600 2000