MTD 248-604A Manual de instalación descargar pdf (Pagina 14)

Page 14 of 42 Self-Contained WSHP Unit Ventilator Models ARQ, ERQ, GRQ IM 1083

Notes:

1. Horizontal blade wall louver shown. Vertical blade wall louver also

available with Ventimatic shutter.

2. Optional exterior grille matches unit ventilator wall louver in material

and design. Mounted on wall louvers.

3. Optional steel interior wall grille should be used to conceal the

interior wall opening whenever the Ventimatic shutter is not located

behind shelf cabinets. Hardware to mount the interior wall grille is

not included.

Installing the VentiMatic Shutter

Assembly

The AAF

-HermanNelson

VentiMatic Shutter Assembly is a one-way

shutter. It is a continuously variable, gravity-actuated, room exhaust

vent that operates in direct response to positive static pressure, opposing

any airow into the room resulting in a slight positive pressure.

The VentiMatic Shutter Assembly is mounted on an installed wall louver.

For larger units with 100% ventilation air dampers, two VentiMatic

Shutters may be mounted side by side on the same louver. See gure 27.

The size and appearance of the wall louvers with or without optional

grilles used with the unit ventilator, and the VentiMatic Shutter, are

identical.

When installing VentiMatic Shutter(s) on the wall louver, make sure

all moving parts are free to operate unobstructed and placed level

and plumb for proper operation. If optional steel interior wall grille is

furnished, install as shown in Figure 25.

Figure 25: Louver , VentiMatic Shutter, Interior Wall Grille

Details, Dimensions

As Directed

By Architect

⁄

" (19mm) Approx.

(178mm)

Cement Mortar

Steel Interior Wall Grille

(Optional) See Note 3

⁄

(314mm)

⁄

" (19mm) Approx.

Bird

Screen

Do Not Block Drain

Holes With Caulk or

Mortar

Not

Less

Than 9"

(229mm)

Cement Mortar

see table 4

Aluminum Wall Louver

Assembly With Bird Screen

(See Note 1)

see table 4

Steel

VentiMatic

Shutter

Assembly

⁄

(105mm)

⁄

" (606mm)

⁄

" (911mm)

2" (51mm)

⁄

(264mm)

3" (76mm)

Decorative Exterior Grille Also Available (See Note 2, above)

(Bird Screen not shown)

Figure 26: Single VentiMatic Shutter & Wall Louver

Outside

Aluminum Wall Louver

Assembly with Bird Screen

(See Note 1)

3'' (76mm)

VentiMatic

Shutter

Assembly

Center Cover

⁄

(264mm)

Figure 27: Two VentiMatic Shutters & Wall Louver

see table 4

Outside

Decorative Exterior Grille Also Available (See Note 2)

(Bird Screen not shown)

For proper operation, the VentiMatic shutter assembly must

be mounted on the same wall as the unit ventilator louvers to

neutralize wind effect.

CAUTION

Figure 28: Louver, VentiMatic Shutter, Interior Wall Grille

Details, Dimensions

As Directed

By Architect

3/4" (19mm) Approx.

(178mm)

Cement Mortar

Steel Interior Wall Grille

(Optional) See Note 3

12⅝"

(314mm)

3/4" (19mm) Approx.

Bird

Screen

Do Not Block Drain Holes

With Caulk or Mortar

Not

Less

Than 9"

(229mm)

Cement Mortar

see table 4

Note:

1. Horizontal blade wall louver shown. Vertical blade wall louver

also available.

2. The optional exterior grille shown mounted on the wall louver.

3. The optional steel interior wall grille is used to conceal the

interior wall opening whenever the Ventimatic shutter is not

located behind shelf cabinets. Hardware to mount the interior

wall grille is not included.

Table 4: Recommended Wall Openings For Wall Louvers

Recommended

Maximum Number of VentiMatic

Wall Openings

VentiMatic Shutters Shutter(s)

B C

For Wall Louvers

Which Can Be Mounted Air Capacity

On Standard Louver Maximum

Length Height 24" Shutter 36" Shutter cfm L/s

48" 51" 48

⁄

" 10

⁄

(1219) (1295) (1222) (267)

2 0 1000 472

60" 63" 60

⁄

" 10

⁄

(1524) (1600) (1527) (267)

1 1 1250 590

72" 75" 72

⁄

" 19

⁄

(1829) (1905) (1832) (495)

0 2 1500 708

1 2 ... 9 10 11 12 13 14 15 16 17 18 19 ... 41 42

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