Chat with one of our friendly reps to get help quick.

Something on your mind not found here? E-mail us.

We offer phone support if you don't want to type.

Support Center

<p><span id="isPasted" style="color: rgb(33, 37, 41); font-family: -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, Roboto, &quot;Helvetica Neue&quot;, Arial, sans-serif, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;, &quot;Segoe UI Symbol&quot;; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;">Polyolester (POE) or Polyvinylether (PVE) oil.</span> </p>

Polyolester (POE) or Polyvinylether (PVE) oil.

What type of oil is used with the unit?

General Technical Questions

HVAC Related General Queries

Can a single zone mini-split be used with multiple indoor units?

How is power received into the units?

What is the life expectancy of the air conditioner system?

What does “multi-zone” mean?

How do I use my Pioneer Rewards Points when shopping?

All About Energy-Star Tax Credits and Rebates for Pioneer Split Systems

What is the difference between Inverter+ and Inverter++?

Energy Star Tax Credit / IRS Information FAQ

Do you offer any discounts?

About Authorization Charges

Do you carry Hyper-Heat units (-22°F)?

Do these Split-Type systems function as dehumidifiers?

Which units are rated Energy Star?

Features

Online Shopping

Error Code PC 03 (PC03)

Error Code E1 / EL 01 (EL01)

Error Code EL 0C (EL0C, ELOC, EL OC)

Error Code P0 (PC00)

How to Check the Resistance of a Pioneer Temperature Sensor

LCAC (FYB/CYB/UYB/RYB) Error Code Interpretation

Quantum Series Systems (WYS/CYB/RYB/UYB/FYB)

Error Code FY

Error Code E0

Indoor Unit Displaying 0A/OA

Diamante WYT Series Systems (WYT-19, WYT-22)

Pioneer Error Code Troubleshooting

How Do I Determine the Breaker Size and Wire Needed for a Pioneer HVAC System?

When the power goes out, do the units need to be restarted manually?

The Indoor Unit Does Not Turn On

Electrical Related General Queries

Pioneer Lineset Diameter Reference Guide

How to Locate a Pioneer Model Number or Serial Number

How to Apply Pioneer Flare Leak Guard

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?

My Pioneer Wall-Mounted Mini Split is Leaking Water

Plumbing and Drainage Queries

How do I switch between °F and °C on the RG10 remote?

WYS Inside Unit Disassembly

WYS Outside Unit Disassembly

Wall Mounted WYS Inverter+/++ Series

How to Display the Current Indoor Temperature on a Diamante Pro System

Connecting a Diamante Pro WYT-19 to Pioneer Airlink

The Diamante Remote is missing the Heat mode function

How to Manually Defrost a Diamante Series System

WYT-19 Inside Unit Disassembly

WYT-19 Outside Unit Disassembly

Wall Mounted WYT-19 Diamante Series

My indoor unit came without filters. Help!

The Diamante remote is missing the Heat mode function

How to Display the Current Indoor Temperature on a Diamante Ultra System

Connecting a Diamante Ultra WYT-22 to Pioneer Airlink

WYT-22 Inside Unit Disassembly

WYT-22 Outside Unit Disassembly

Wall Mounted WYT-22 Diamante Ultra Series

Wiring the Pioneer CYB Cassette Panel to the Air Handler

Ceiling Mounted CYB Quantum Series

Supplemental Installation Instructions for RYB/RB Models

Adjusting Static Pressure Setting for RYB/RB Models

Slim-Duct Ceiling Concealed RYB Quantum Series

How do the Cased A-Coils work?

Ducted Central Split DYR Series

Specific Technical Questions

Integrating Pioneer Airlink with Apple Smart Home

Connecting a Diamante Pro/Ultra (WYT-19/WYT-22) to Pioneer Airlink

Pioneer Airlink

How long is the warranty?

Under what conditions am I covered under warranty?

Warranty

Free Shipping

Shipping Details

Shipping & Delivery

RETURNING AN ITEM

STARTING YOUR RETURN

WHAT TO EXPECT

RETURN FEES

RETURN POLICY

UNDELIVERABLE OR REFUSED SHIPMENTS

REFUND ELIGIBILITY

Returns and Refunds

Who is permitted to install the A/C?

Is there a recommended resource to find a professional that is located near me?

What is the approximate cost and time spent to have the system installed?

What size torque wrench is needed?

What gauge of wire is used for connections between the ductless mini split indoor and outdoor sections?

What hole saw size is needed to drill the wall for accommodating the drain and refrigerant lines?

Can the line set be angled upward?

Wire-related questions (Power whip, comms wire)

Installation

Does the indoor unit require anything extra in order to be mounted to the wall?

Can the unit be operated without a remote control?

Can the line set exit from the side of the indoor unit, rather than the back/through the wall?

What type of oil is used with the unit?Updated 2 years ago