Installing The Unit; Duct Connection - Mitsubishi Electric MVZ-A12AA7 Installation Manual

6. Combining indoor units with outdoor units
-For combining indoor units with outdoor units, refer to the

7. Installing the unit

outdoor unit's installation manual.
7. Installing the Unit
The air handler can be installed in a vertical, horizontal (Right and
Left) and Downflow configuration as shown in step 9.1. through 9.4.
The air handler can be installed in a vertical, horizontal (Right and
The units are designed for "0" zero clearance to combustibles. 24" is
Left) and Downflow configuration as shown below. The units are
required for service access to the front of the unit. (See Installation
designed for "0" zero clearance to combustibles. 24" is required for
Clearance) Regardless of mounting configuration, the air handler
service access to the front of the unit. (See below) Regardless of
must be mounted level to facilitate proper condensate drainage.
mounting configuration, the air handler must be mounted level to
facilitate proper condensate drainage.
Installation Clearance
11
Installation Clearances
TOP View
Vertical Installation
Clearance Area
24"
Width of Unit

8. Duct connection

PA79D202H01
-See the outline drawing for the size of the duct connection.
-Use flanged ducts for connections to return
-Do not use sheetmetal screws longer that 0.75" to secure any
ductwork to the air handler
12 13
TOP View
Horizontal Installation
Clearance Area
24"
Length of Unit
ductwork to the air handler
9.A. Vertical Installations:
supported on the bottom only and set on a solid floor with a return
plenum below or field supplied supporting frame or plenum.
Securely attach the air handler to the floor or supporting frame or
plenum.
The side return can be used for the PVFY-12, PVFY-18 & PVFY-
24 only. If the side return is used it is the responsibility of the
installer to ensure the ducts are properly sized and sealed to
the cabinet. When cutting in to the side of the cabinet, use the
provided dimples to avoid damaging any internal structure or
wiring.
14
Side Return
Unit Mounted on Return Plenum
0.75" MAX
The air handler must be
15 16
7
A
B
C
6
D
E
F