Fig-16

If this action does not reactivate the unit, contact a qualified service agency for assistance.

In general, if the thermostat is set in the heating mode, the heating system functions entirely automatically. However, under certain circumstances, the appliance may not be able to fire the burner. For instance, if the manual oil shutoff valve has been closed or the oil tank is out of fuel, the oil line may have air trapped in it. It will be necessary to purge the air by bleeding the supply line from the tank to the burner again for the heating system to operate. Refer to the instructions under the Extended Appliance Shutdown section of this manual.

NOTICE: Thermo Products recommends that the user/homeowner, contact a qualified service agency for assistance in bleeding the fuel line(s) and lighting off the heating section.

The following maintenance points should be reviewed periodically to assure the heating and cooling systems continue to function properly.

: Shut off unit and disconnect the power source before disassembling the unit.

: Never operate the appliance without clean air filters in place.

: This appliance requires air for combustion, ventilation, and cooling. Do not block or obstruct air openings in the unit and the air space around the perimeter of the unit.

1.At least every three months, under normal usage conditions, check and clean all air filters in the appliance and, if present, in the duct system. If excessively dirty air filters are not cleaned, or changed, poor system performance will result due to reduced airflow. Low airflow places unnecessary strain on the compressor, possibly causing the system to shutdown on the refrigerant high-pressure switch. Refer to Figure 14 for a sketch of the filter location.

2.Do not allow the fuel oil tank to run completely empty. During the summer, keep the tank full to reduce condensation of moisture on the inside surface of the tank. If the fuel tank runs completely dry, it may be necessary to bleed air from the fuel lines. Contact a qualified heating contractor to bleed the lines and restart the burner.

3.Check the supply and return air connections to the appliance to insure the seals between the duct and appliance and the appliance and home are intact. Check the ducts for any signs of collapse, holes, or excessive corrosion. Repair or replace components as required.

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Thermo Products PHCFA072DV4R operation manual Fig-16
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PHCFA072DV4R specifications

The Thermo Products PHCFA072DV4R is a cutting-edge heating and cooling solution designed for modern residential and light commercial applications. This unit stands out due to its efficient performance and advanced technology. One of the most remarkable features of the PHCFA072DV4R is its energy efficiency. It boasts a high SEER rating that ensures reduced energy consumption without sacrificing comfort, making it an environmentally friendly choice for homeowners.

This system utilizes an inverter-driven compressor, which allows for variable speed operation. This means that the unit can adjust its output to match the specific heating or cooling needs of a space, providing more consistent temperatures and enhanced comfort. Additionally, this inverter technology minimizes noise levels, making the PHCFA072DV4R a quieter option compared to traditional fixed-speed systems.

Another noteworthy characteristic of the PHCFA072DV4R is its advanced filtration system. It is equipped with high-efficiency filters that effectively capture dust, pollen, and other airborne particles, ensuring improved indoor air quality. For those who suffer from allergies or have respiratory issues, this feature can provide significant relief.

The unit offers a user-friendly interface with a smart thermostat that enables users to control the system remotely. Through a mobile app, homeowners can adjust settings, set schedules, and monitor energy usage from anywhere, which adds a layer of convenience to the overall user experience.

Additionally, the PHCFA072DV4R is built with durability in mind. Its robust construction and high-quality materials ensure long-term reliability, reducing the likelihood of costly repairs. It also comes with a warranty that reflects the manufacturer's confidence in the product's performance.

Overall, the Thermo Products PHCFA072DV4R encapsulates efficiency, comfort, and advanced technology in a single package. Its ability to adapt to varying conditions, combined with features focused on air quality and ease of use, make it a prime choice for anyone looking for a versatile heating and cooling solution. This unit not only meets the demands of today's consumers but also aligns with sustainable practices, making it an ideal addition to any home or business.
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