Power and Control Wiring, Field Wiring

POWER AND CONTROL WIRING

Install electrical wiring in accordance with the latest National Electrical Code (NFPA Standard No. 70) and/or local regula- tions. The unit should be grounded in accordance with these codes.

Route the power wires into the unit through the 1-3/8” knockout in the rear panel, and connect them to the terminals on blower motor contactor 10M. Route the control wires into the unit through the 7/8" hole in the rear panel, and connect them to the terminals on block 4TB. Refer to the unit drawing in Fig. 12 for the locations of these knockouts.

If the unit includes an electric heat accessory, route the power wires into heater control box in lieu of the unit. Refer to electric

035-09651-001-A-0304

heat instruction Form 035-16602-002 for additional installation information.

NOTE: Motors are wired for a 460V power supply. Refer to the wiring diagram inside the motor terminal box when re- connecting motor leads for a 208 or 230 volt power supply.

Refer to Table 6 to size the disconnect switch, the power wiring, the fuses and the control wiring. Refer to Fig. 11 for field wiring diagram.

If the supply air blower rotates in the wrong direction, reverse two of the motor leads at blower motor contactor 10M.

NOTE: For thermostat to be used on these units refer to form #036-13335-003.

NOTE: Refer to electric heat instruction 035-16602-002 for additional power and control wire requirements if the indoor unit is equipped with an electric heat accessory.

FIG. 11 - FIELD WIRING

10	Unitary Products Group

F3EH090 specifications

The York F3EH090 is a high-efficiency, versatile air conditioning unit designed for residential and light commercial applications. This model is part of the York F3 series, recognized for its advanced engineering and innovative technologies that cater to modern climate control requirements.

One of the main features of the F3EH090 is its energy efficiency. With a high Seasonal Energy Efficiency Ratio (SEER) rating, this unit is engineered to deliver superior cooling while minimizing energy consumption. This not only helps in reducing utility bills but also contributes to a lower carbon footprint, making it an environmentally friendly choice.

In terms of design, the F3EH090 boasts a compact and stylish profile, making it suitable for various installation locations. The unit is equipped with a robust compressor that ensures reliable performance across different weather conditions. The compressor operates quietly, providing a comfortable indoor environment without disruptive noise levels.

The F3EH090 incorporates advanced technologies, including a microprocessor controller that optimizes system performance. This controller monitors various parameters and adjusts operation settings to maximize efficiency and comfort. Additionally, the unit features variable-speed fan motors, which allow for customized airflow levels and enhance overall comfort.

Another significant characteristic of the York F3EH090 is its ease of installation and maintenance. The design allows for straightforward access to components, simplifying routine maintenance tasks. This feature is particularly valuable for service technicians and homeowners alike, as it reduces downtime and contributes to the longevity of the system.

The durability of the F3EH090 is further enhanced by its corrosion-resistant coating, which protects the unit from harsh weather conditions. This feature ensures that the air conditioner remains operational and efficient over its lifespan.

Furthermore, the York F3EH090 is compatible with various smart home technologies, allowing users to integrate the unit into their home automation systems. This compatibility enables remote monitoring and control, promoting convenience and energy savings.

In summary, the York F3EH090 stands out with its impressive energy efficiency, advanced technologies, and ease of maintenance. Designed with modern needs in mind, this air conditioning unit is an excellent choice for anyone looking to enhance their indoor comfort while ensuring environmental sustainability.