HVAC Related General Queries

Does the Fan Ever Shut Off in Cooling Mode?

Are Pioneer Systems Factory Pre-Charged with Refrigerant?

The condensing (outside) unit is factory pre-charged with enough refrigerant to support lineset lengths between 10 and 25 feet, per zone. A single-zone system would therefore have enough refrigerant to support 10-25 feet of connected line, a dual-zon

How to Check the Resistance of a Pioneer Temperature Sensor

For this process, you will need a multimeter capable of measuring resistance readings. A Digital Multimeter. Set the meter to read resistance.First, you must disassemble your particular Pioneer system and gain access to the system control board. This

I Have a Leak in My System But I Cannot Locate It

Typically when it comes to micro-leaks that are difficult to trace, we recommend one of two options. Either employ our Leak-Stop Injection Agent which plugs most small leaks. Or we also offer a newly forumalted R410a recharge bottle with leak-stop an

How to Locate a Pioneer Model Number or Serial Number

The model number on a Pioneer outdoor unit is almost always found on the gray colored nameplate/namebadge that is physically fixed onto the system, on the right hand side. Check your outdoor unit's nameplate for the model number. An example of a Pion

How to Apply Pioneer Flare Leak Guard

Leak Guard is a gasket and thread sealant used in HVAC/R systems, and is commonly applied to flare fittings to ensure a tight, leak-free seal. Pioneer Leak Guard packet. Here's the safest and most effective way to apply Pioneer Leak Guard to flare ma

Pioneer Lineset Diameter Reference Guide

The below tables will match the line set diameter to the Indoor unit, rather than the outdoor. For single-zone equipment, the connection diameter on the indoor unit and the outdoor unit are the same. For multi-zone equipment, typically the connection

What Does It Take to Install a Mini Split?

Below is where you can watch our Official Mini Split Installation Video. It goes over installing the most basic system, a ductless wall-mounted mini split system, but the process is similar for different voltages (the electrical hookup will slightly

What type of oil is used with the unit?

Polyolester (POE) or Polyvinylether (PVE) oil.

Why would a ductless mini split freeze up on the inside air handler if its cooling reasonably well, the filters are clean, and the level of refrigerant charge is proper?

When a ductless mini-split system freezes up at the indoor air handler, it is often due to issues with airflow or temperature settings, even if the filters are clean and the refrigerant charge is proper. Here are some potential reasons why this might