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Learn what hole saw size is needed for drilling walls to accommodate drain and refrigerant lines. Read this article to find out the hole saw size. 

Drilling details to accommodate drain and refrigerant lines

General Technical Questions

Installation

Do I need to restart my unit manually after the power goes out?

How can I fix my indoor air handler when the unit is not turning On?

How do I determine which breaker size and wire is needed for my system?

How does my system receive power?

What is the difference between 115V and 230V systems?

Electrical Related General Queries

Does the fan for my system shut Off in Cooling mode?

Does my system include factory pre-charged refrigerant?

How can I check the resistance of a Pioneer temperature sensor?

How can I fix leaks that are difficult to trace?

How can I locate the Pioneer model or serial number for my system?

How do I apply Pioneer Flare Leak Guard during installation?

Is there a Pioneer lineset diameter selection guide?

What are the requirements for installing a mini split?

What type of oil is used for my unit?

Why did my ductless mini split system freeze on the inside air handler?

Are the linesets pre-flared when I buy a mini split?

HVAC Related General Queries

Can a wall-mounted indoor unit be set onto the ceiling instead?

Can I operate the indoor unit without a remote control?

Can I turn Off the LED display for the indoor unit?

Can the lineset exit from the side of the indoor unit?

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

What is the ideal height for mounting indoor units?

What is the indoor unit’s weight and dimensions?

Indoor Unit

Are there recommended resources to find a professional near me?

Can the lineset be angled upward?

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

What hole saw size do I need for drilling walls to accommodate drain and refrigerant lines?

What is the cost and time spent on installing systems?

What torque wrench size do I need?

Where can I find wire-related information?

Who is permitted to install the A/C?

Why is my mini split leaking water improperly?

Plumbing and Drainage Queries

How can I access manuals and technical documents?

What is the telephone number to receive Tech Support?

Technical Support

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

Cooling Only Systems

Can I Order Different Lineset Lengths?

Do these Split-Type systems function as dehumidifiers?

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

Do you offer any discounts?

Do you Offer Pre-Charged Linesets?

How Can I Obtain Spare Parts?

How Do I Determine the Unit Size I Need for My Space?

How do I find an installer for my Pioneer Mini Split purchase?

How do I make a return?

How do I use my Pioneer Rewards Points when shopping?

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

How is power received into the units?

What does “multi-zone” mean?

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

What is the life expectancy of the air conditioner system?

Energy Star Tax Credit / IRS Information FAQ

Which units are rated Energy Star?

About Authorization Charges

I'm trying to refer a friend and the code only says "SAMPLE", why?

Frequently Asked Questions

WHAT TO EXPECT

REFUND ELIGIBILITY

RETURNING AN ITEM

RETURN FEES

RETURN POLICY

STARTING YOUR RETURN

UNDELIVERABLE OR REFUSED SHIPMENTS

Returns and Refunds

Free Shipping

Shipping Details

Shipping and Delivery

Under what conditions am I covered under warranty?

How long is the warranty?

Warranty

Online Shopping

Error Code E0

Error Code FY

Indoor Unit Displaying 0A/OA

Error Code Troubleshooting (Diamante Series)

Wall Mounted WYT-19 Diamante Pro Series

Wall Mounted WYT-22 Diamante Ultra Series

Technical Documentation (Diamante Series)

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

Integrating Pioneer Airlink with Apple Smart Home

Connecting a Diamante Pro WYT-19 to Pioneer Airlink

Connecting a Diamante Ultra WYT-22 to Pioneer Airlink

Pioneer Airlink App

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

How do the Cased A-Coils work?

Technical Documentation (DYR Series)

Ducted Central Split DYR Series

Error Code E1 / EL 01 (EL01)

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

Error Code P0 (PC00)

Error Code PC 03 (PC03)

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

Error Code Troubleshooting (Quantum Series)

CYB, RYB, and UYB Systems: Connect with the NetHome Plus app

WYS-20 and WYS-22 Systems: Connect with the NetHome Plus app

NetHome Plus

Switch between °F and °C on the RG10 remote

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

RG10 Remote

CYB Ceiling Cassette

RYB Ceiling Concealed

WYS Wall Mounted

Technical Documentation (Quantum Series)

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

Products

What should I do if I receive an email saying my package was delivered, but I haven't received it?

What types of refrigerants are used in the new models?

How can I address a "PA" error code on my multi-zone Diamante Ultra unit?

Can I use a mini-split system with fewer indoor units than the outdoor unit's zonal capacity?

What hole saw size do I need for drilling walls to accommodate drain and refrigerant lines?Updated 25 minutes ago