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INSTALLATION INSTRUCTIONS
Snow Guard Installation
Please install the optional snow cover in areas where
heavy snow fall is expected. It is important to install the
unit above the average level of expected snow fall. Adjust
the system defrost settings, as necessary, for colder
climates using dip switches.
Outlet snow cover
Panel disassembly Instruction
Please refer to the following figure for the repair board to
remove.
1. Remove screws A, B, and C by repeatedly turning
counterclockwise with wrench or screwdriver.
2. The access panel can be opened by removing the
screws along the left side, and swinging the door
open about 40 degrees. The tab-latches can then be
disengaged and the door removed.
14
Air Duct Installation
There must be a ducted fan outlet when there are
obstacles obstructing airflow above the unit.
Channel size (pattern1) Unit: in.
MVHP072ME2CA
MVHP072ME4CA
A
The inner diameter 38-19/32
B
The inner diameter 29-1/2
C
D
E+29-1/2
E
F
Inlet snow cover
Channel size (pattern 2) Unit: in.
MVHP072ME2CA
MVHP072ME4CA
A
The Inner Diameter - 29 1/2
B
The Inner Diameter - 38 19/32
C
D
E+38 19/32
E
F
NOTE: The air outlet fan grille of the unit must be removed
before installing the air duct. At the same time, the outdoor
air duct static pressure is set up to "have static pressure"
mode. The length of the outlet duct should be calculated
according to the shape of the air duct.
MVHP096/120/144ME2CA
MVHP096/120/144ME4CA
The inner diameter 55-1/2
The inner diameter 29-1/2
E+29-1/2
C
D
A
B
E
F
MVHP096/120/144ME2CA
MVHP096/120/144ME4CA
The Inner Diameter - 29 1/2
The Inner Diameter - 55 1/2
E+55 1/2
C
D
A
B
E
F
31-5000572 Rev. 1
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