Tech Tips


The Mitsubishi “P” series units are factory built for operation to ambient temperatures down to -40°C and even lower?

These units ship -40°C straight from the factory and are ready to go right out of box. There’s no field labor or part assembly required.

The P-series units are available with refrigerant line lengths up to 225 ft.


Please see below for:

Cooling performance operating curves taken from Mitsubishi factory testing reports &

a list of features you get when you specify Mitsubishi “P” series equipment.


We suggest you take the time to review these & the other handy tips available on this page.


Cooling For Server Rooms

Understanding Harmonics

Basic Motor Theory

Variable Frequency Drives - Part 1

Variable Frequency Drives - Part 2

P-Series Performance and Capacity Graph

Direct Drive Motors - The Engineer's Choice

P & M-Series Troubleshooting Guide

Sauermann Pump Installation Tutorial

Low Ambient Operation of Mitsubishi Air Conditioners

Marvair ComPac Mechanical Cooling Video

Marvair Mechanical Economizer Cooling

Mitsubishi Condensate Pump Installation Video