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Installation, Breathing hazard - carbon monoxide gas – State EPX 80 DHPT User Manual

Page 6

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6

Installation

Installation requires ability equivalent to that of a qualified HVAC

installer. Installation skills such as air supply, venting, and duct

installation are required. If you are not qualified and licensed or

certified as required by the authority having jurisdiction to perform

a given task do not attempt installation. Contact a local HVAC

contractor to perform the installation.
Installation must comply with all national, state and local building

codes and agencies having jurisdiction. Check with your local

building code authority if you have any questions regarding code

compliance.
1. Inlet air is derived through louvered grill(s) installed in a door or

wall between the installation space and another space inside

the building structure. The space from where inlet air is derived

must be a minimum of 750 cubic feet. See Figure 4.

2. Installation is permitted in confined spaces between 750 and

610 cubic feet of space using one louvered grill or in spaces

between 610 and 460 cubic feet using two louvered grills. See

Figure 4 and Table 2.

3. For installation in confined spaces of less than 460 cubic feet the

accessory Outlet Duct Kit (PN 9910006000) is required. With

this kit installation is permitted in confined spaces between 460

and 400 cubic feet with one louvered grill or in spaces between

400 and 128 cubic feet with two louvered grills. See Figure 4

and Table 2

.

4. Minimum louvered grill size is 16” x 24” for each grill installed.

Fully louvered doors are an acceptable substitute for louvered

grill(s) if the louvered area of the door is not less than the total

required area the grill(s) would provide.

5. Follow the instructions included with the Outlet Duct Kit for the

included duct adapter and ductwork.

6. Eight (8) inch flexible ducting is required but not supplied in the

Outlet Duct Kit. Suitable ducting is readily available at home

centers or HVAC supplies.

7. Duct collars and boots may also be required but are not

supplied with the Outlet Duct Kit. Suitable collars and boots are

readily available from home centers or HVAC supplies.

8. The maximum length of duct allowed is 10 feet. This maximum

length must not be exceeded under any circumstances.

9. Ducting should be installed as straightly as possible; there

must be no kinks or flattening of the ductwork.

10. The Outlet Duct Kit and connected ductwork must redirect

outlet air from the unit to a location other than the confined

installation space. The alternate location to where the outlet air

is redirected must be a minimum of 750 cubic feet.

ITEM

LOUVERED GRILL

CONFINED SPACE

CONFIGURATION

(door or wall)

MINIMUM SPACE

(cubic feet)

610

460

400

128

EXAMPLE ROOM SIZE

H X L X W (feet)

8' x 7.6' x 10'

8' x 5.75' x 10'

8' x 10' x 5'

8' x 4' x 4'

WITHOUT DUCTWORK

WITH 8 INCH FLEXIBLE DUCT

AND OUTLET DUCT KIT

Table 2

Do not duct air from a garage or other

space where potentially harmful fumes

from solvents, chemicals or exhaust

from automobiles are present into any

other space in the building structure.
Gas and carbon monoxide detectors

are available.

Breathing carbon monoxide can cause brain damage or

death. Always read and understand instruction manual.

Breathing Hazard - Carbon Monoxide Gas

11. The outlet air from a unit installed in a garage or drawing

inlet air from a garage or any area where solvents or other

chemicals that emit potentially harmful fumes are stored or

automobiles are located must never be ducted to any other

space inside the building structure. This would include all

occupied and unoccupied spaces such as attics or basements.

Potentially harmful fumes and vapors could be introduced into

living spaces.

12. A duct termination or grill is required at the end of the duct

run but not supplied with the Outlet Duct Kit. Suitable duct

terminations and grills are readily available from home centers

or HVAC supplies. Terminations must be fitted with screens

or designed to prevent rodents, other pests and debris from

entering the ductwork. If terminated outdoors or to another

space where water or moisture may enter the ductwork,

terminations designed to prevent water or moisture infiltration

must be used.

13. If outlet ductwork is terminated through a ceiling into an

attic space provision must be made to ensure the ductwork

terminates well above the insulation line in the attic to prevent

insulation from entering the ductwork. A short section of 8 inch

round metal duct may be used with a suitable duct termination.

Overall duct length, including flexible and metal duct must not

exceed 10 feet.

14. Ductwork that transitions through walls or ceilings must be

properly sealed to prevent rodent, other pests or moisture

infiltration.

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