Carrier 50JZ Product Data
Also see for 50JZ 024-060: Installation and operating instructionsGuide to operating and maintainingGuide to operating and maintainingProduct dataInstallation, Start-Up and Service Instructions
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30K. Motors:1. Compressor motors shall be of the refrigerant-cooled type with line-break thermal and currentoverload protection.2. All fan motors shall have permanently lubricatedbearings, and inherent, automatic reset, thermaloverload protection.3. Outdoor fan motor shall be totally enclosed.L. Grille1. Louvered Grille:Louvered grille shall be standard on all units.M. Special Features Available1. ICM FIOP:Integral control motor for indoor blower shall be afactory installed option for optimizing comfort lev-els in all operating modes and increasing system ef-ficiency.2. Coil Options:Shall include factory-installed optional copper/copper and vinyl-coated refrigerant coils.3. Economizer:a. Economizer controls capable of providing freecooling using outside air.b. Equipped with low leakage dampers not to ex-ceed 3% leakage, at 1.0 in. wg pressure differen-tial.c. Spring return motor shuts off outdoor damper onpower failure.4. Flat Roof Curb:Curbs shall have seal strip and a wood nailer forflashing and shall be installed per manufacturer’sinstructions.5. Manual Outdoor Air Damper:Package shall consist of damper, birdscreen, andrainhood which can be preset to admit outdoor airfor year-round ventilation.6. Thermostat:To provide for two-stage heating and one stagecooling in addition manual or automatic changeoverand indoor fan control.7. Low Ambient Package:Shall consist of a solid-state control and outdoorcoil temperature sensor for controlling outdoorfan motor operation, which shall allow unit to op-erate down to 0° F outdoor ambient temperaturein cooling.8. Filter Rack Kit:Shall provide filter mounting for downflow applica-tions.9. Square-To-Round Duct Transitions:Shall have the ability to convert the supply and re-turn openings from rectangular to round. (024-048only)10. Crankcase Heater:Shall provide anti-floodback protection for low-load cooling applications. (Standard on 042-060sizes)11. Electric heaters:a. Electric heater shall be available as a field-installed option.b. Heater elements shall be open wire type, ade-quately supported and insulated with ceramicbushings.c. Electric heater packages must provide singlepoint power connection capability.12. Compressor Hard start kit:Shall be available to give a boost to the compressormotor at each start-up.Guide specifications (cont) |
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