Daikin VRVS Piping Rules | VRVS Install & Commissioning Series Ep.4 (10-8-2021)

Timestamps:
Basic Minimum Pipe Length Rules @ 02:37
Refnet Branches Introduction & Minimum Pipe Length Rules @ 05:36
Maximum Pipe Length Rules @ 08:49
Refnet Installation Rules @ 13:58
Pipe Sizing / Line Set Sizing @ 18:11
Reducing Leak Points (Fittings) @ 20:00

I was taught at a young age to follow the 6 P's - which you'll learn all about in this episode. Refrigerant piping rules exist for a reason and it's far too often problems on the job are directly related to the piping rules not being followed.

In this episode of the VRVS Install series we'll be taking a look at some of the most important piping rules to pay close attention to when installing Daikin VRVS systems. From the minimum pipe length required, yes - there is a minimum required you guys - to the maximum allowed, I'll give you guys the most important rules you need to make sure not to cut out from your install.

VRVS systems have a very unique way of running refrigerant lines to the indoor units installed, which is extremely different from a mini-split multi-port system. If you've been installing multi-port systems and are just learning about VRVS, this is going to be a very good video for you to take notes on. I'll also be introducing you all to the Refnet branch, something you REALLY want to make sure you get for every job, and install correctly.

Disclaimer:
This is not a training, nor is this a factory authorized or sponsored class. I wanted to break down from experience some of the meat and potatoes, the important Do's and Do-Not's when designing and installing Daikin VRVS systems. My goal is to share the information I've learned over the years, and help share/translate some of the information from the installation and operation manuals that's often overlooked, thrown away, or simply not understood. Through these videos my hope is that I can help make your installation go a little smoother.

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Thanks everyone for watching! I hope you all have an awesome day!