Installation; Safety Precautions - Friedrich Breeze Series Service Manual

Mini split ducted heat pumps

Table of Contents

Safety Precautions

1. This Heat Pump Air Conditioner uses refrigerant HFC (R410A).

2. Since the max working pressure is 550 psig, some of the piping, installation and service tools are specialized.

3. This air conditioner uses power supply: 208/230V ~, 60Hz.

4. The outdoor unit must be installed with an indoor coil equipped with TXV and ensure that the TXV can be opened to the maximum angle while

running heating mode and can be set to 4‑6˚ F superheat.

5. The outdoor unit must be matched with indoor unit refrigerant R410A.

6. For the 2‑ton outdoor unit, it must be connected with a 1.5 to 2‑ton indoor unit.

For the 3‑ton outdoor unit, it can be connected with a 2.5 to 3‑ton indoor unit.

For the 4‑ton outdoor unit, it can be connected with a 3.5 to 4‑ton indoor unit.

For the 5‑ton outdoor unit, it can be connected with a 4.5 to 5‑ton indoor unit.

7. A Bi‑Flow filter drier is required on the liquid pipe when connecting the units, installation close to the indoor coil is recommend for best performance.

8. Be sure that servicing equipment and replacement components are applicable for R410A refrigerant.

9. Do not discharge R410A refrigerant into the atmosphere. When recovering, the cylinder service pressure rating must be over 550 psig. R410A

refrigerant systems should be charged with liquid refrigerant and the service pressure rating of the hoses used must be over 750 psig.

10. Leak detectors should be designed to detect HFC refrigerant.

11. R410A refrigerant is only compatible with POE oils, which absorbs moisture rapidly, do not expose to the air.

12. Replace all the filter driers after maintenance to ensure the system is moisture free Please read these SAFETY PRECAUTIONS carefully to ensure

correct installation

•Be sure to use a dedicates power circuit. Do not put other loads on the power supply.

•Be sure to read these SAFETY PRECAUTIONS carefully before installation.

•Be sure to comply with SAFETY PRECAUTIONS of installation manual.

Definitions for identifying hazard levels are provided below with their respective safety symbol. WARNING: Hazards or unsafe practices which may

result in severe personal injury or death. CAUTION: Hazards or unsafe practices which may result in minor personal injury, product or property

damage.

•Please carefully file indoor and outdoor unit manual away for future reference.

WARNING

•Installation should be performed by a qualified licensed service provider.

•Improper Installation may cause water leakage, electrical shock, or fire.

•Install the equipment on a solid base that can support the unit weight.

An inadequate base or incomplete installation may cause injury if the unit falls off the base.

•Use the specified type of wire to safely make electrical connections between the indoor and outdoor units. Firmly clamp the interconnecting wires

so their terminals receive no external stresses.

For wiring, use a cable long enough to cover the entire distance with no splicing. Do not connect multiple devices to the same AC power supply.

Exceeding the allowable current due to improper torque of contacts or poor insulation, may cause fire or electric shock.

After all installation steps are completed, check to make sure that there are no refrigerant leaks. Refrigerant gas leakage in interior spaces will

create harmful substances when exposed to heat or flame.

Perform the installation securely by referring to the installation manual.

Incomplete installation may cause personal injury due to fire, electric shock, equipment falling, water leakage.

In accordance with the installation instructions for electrical work, please be sure to use a dedicated line.

If the power supply circuit capacity or electrical work is not in place, it may cause a fire or electric shock. Secure electrical cover to indoor unit and

service panel to outdoor unit.