
Contact: AIRSYS North America Phone: (855) 874-5380 Page 7 of 29
Email: [email protected] Web: http://airsysnorthamerica.com Rev 1.1
Chapter 2: Product Overview
The AIRSYS COM4T Wall Mounted Heat Pump is a self-contained energy efficient heating and
cooling system, which is designed to offer maximum indoor comfort at a minimal cost without
using valuable indoor floor space or outside ground space. The control system determines the
unit
ʼ
s mode of operation: Cooling or Heating, as shown in Figure 2.
Figure 2 Basic Operating Modes
Any grille that meets the 5/8" louver criteria may be used. It is recommended that AIRSYS Return Air
Grille Kit installed when no return duct is used. If using a return air filter grille, filters must be of
sufficient size to allow a maximum velocity of 400fpm.
Note:
If no return air duct is used, applicable installation codes may limit this cabinet to installation
only in single-story structures.
Cooling Mode
Heating Mode