Broan Fresh Air System ERV90HCT Service Manual download pdf (Page 14)

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6. INSTALL THE UNIT

6.1 TOOLS AND MATERIALS

Here are the tools and materials needed to perform the installation:

• Phillips screwdriver no. 2 or Robertson no. 1

• Hammer and flat blade screwdriver (for plenum connection installation only, to make holes in existing metal duct)

• Scissors or utility knife (to cut duct tape)

• Duct tape

• Tin snips or metal shear (for plenum connection installation only, to cut ductwork)

• Aluminum duct tape (for plenum connection installation only, use SMACNA duct tape)

• Jigsaw (except for the HEPA Filtration model GSFH1K)

• Extension cord

• Caulking gun and caulking (except for the HEPA Filtration model GSFH1K)

• 6’’ Diameter insulated ducting (except for the HEPA Filtration model GSFH1K)

• 8’’ Diameter insulated ducting.

NOTE: A 3-prong grounded 120 volt AC power outlet must exist or be installed within 3 ft of the unit, prior to unit installation.

6.2 MOUNT THE PORTS ON THE UNIT

Mount the 8” oval ports and the 5” to 6” oval ports on the top of the unit using the screws provided in

the hardware box (4 screws no. 8 x 3/4” long per port).

NOTES: 1. Although 4 screws are provided and prefered; only 1 screw per port is required to meet

code.

2. The HEPA Filtration only model has no 5” to 6” oval ports.

3. Do not install the front 8’’ oval port (item 1 in illustration) at this time.

VO0018

6.3 INSTALLATION USING ISOLATOR PADS

If the unit cannot be hung, use the four adhesive square isolation pads provided with the unit. According to your needs and model (with

or without drain), you can install the unit either in vertical or horizontal position.

CAUTION

When a HEPA Filtration Fresh Air & Heat Recovery Ventilation unit model GSHH3K is installed with adhesive isolator pads,

keep a minimum clearance of 4” between the unit and the ground (or shelf) for the drain.

CAUTION

Make sure the unit is level.

VD0074

VERTICAL POSITION - ALL MODELS

6.4 FOR SUSPENDED APPLICATIONS

Use the four chains and springs in the hardware pack provided with the unit. According to your needs and model type, you can install the

unit either in a vertical or horizontal position.

ORIZONTAL POSITION (LEFT SIDE)

LL MODELS

HORIZONTAL POSITION (RIGHT SIDE)

MODEL GSFH1K ONLY

VD0075

VD0076

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