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The Oxbox 5JAYHTR1P15BKA is a 15 kW electric auxiliary heat kit designed to provide supplemental heating for compatible packaged heat pump units. This accessory integrates into the packaged unit to deliver additional heating capacity when outdoor temperatures drop low enough that the heat pump alone cannot satisfy the thermostat call. It is engineered for R-454B refrigerant-compatible systems and operates on a 208/230-volt, single-phase, 60 Hz power supply. Licensed HVAC technicians install this kit as part of a complete packaged unit system, typically in residential or light commercial applications where supplemental electric heat is required during peak heating demand.
The 5JAYHTR1P15BKA is intended for use with compatible Oxbox packaged units that support field-installed electric heat kits. It is well-suited for colder climates where supplemental heat is necessary to maintain setpoint temperatures during low-ambient conditions. Minimum branch circuit ampacity is 17.9 amps, and the maximum branch circuit protection rating should be confirmed against the packaged unit nameplate and local electrical code requirements before installation.
Designed for use with compatible Oxbox packaged units that accept field-installed electric heat kit accessories and are rated for R-454B refrigerant. Confirm compatibility against the packaged unit model number and installation manual before ordering.
Installation must be performed by a licensed HVAC technician in accordance with the National Electrical Code (NEC) and all applicable local codes. Disconnect and lock out all electrical power to the packaged unit before beginning any installation work on the heat kit. Verify that the branch circuit ampacity and overcurrent protection at the panel match the nameplate requirements before energizing the system. Do not exceed the maximum branch circuit protection rating specified on the unit nameplate.
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