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31-5000573 Rev. 2 15
ENGLISH
INSTALLATION INSTRUCTIONS
Snow Guard Installation
Please install the optional snow cover in aoreas where
heavy snow fall is expected. It is important to install the
unit above the average level of expected snow fall. Adjust
the system defrsot settings, as necessary, for colder
climates using dip switches.
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.
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%
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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.
Outlet Snow
Cover
Inlet Snow
Cover
Air Duct Installation
There must be a ducted fan outlet when there are
obstacles obstructing airflow above the unit.
Channel size (pattern1) Unit: in.
MVHR072ME2CA
MVHR072ME4CA
MVHR096/120/144ME2CA
MVHR096/120/144ME4CA
A The inner diameter 38-19/32 The inner diameter 55-1/2
B The inner diameter 29-1/2 The inner diameter 29-1/2
C #)#¡"#¦#" #)#¡"#¦#"
D E+29-1/2 E+29-1/2
E !!¡!#¦!& !!¡!#¦!&
F !"¡!)¦#" !"¡!)¦#"
Channel size (pattern 2) Unit: in.
MVHR072ME2CA
MVHR072ME4CA
MVHR096/120/144ME2CA
MVHR096/120/144ME4CA
A The Inner Diameter - 29 1/2 The Inner Diameter - 29 1/2
B The Inner Diameter - 38 19/32 The Inner Diameter - 55 1/2
C #)#¡"#¦#" #)#¡"#¦#"
D E+38 19/32 E+55 1/2
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.
B
C
D
E
F
A
C
D
E
F
B
A
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