Reznor R6GI Unit Installation Manual Bedienungsanleitung PDF herunterladen (Seite 9)

Unconditioned Spaces

All duct work passing through unconditioned space must

be properly insulated to minimize duct losses and prevent

condensation. Use insulation with an outer vapor barrier.

Refer to local codes for insulation material requirements.

Acoustical Duct Work

Certain installations may require the use of acoustical

lining inside the supply duct work.

• Acousticalinsulationmustbeinaccordancewiththe

current revision of the Sheet Metal and Air Conditioning

Contractors National Association (SMACNA) application

standard for duct liners.

• DuctliningmustbeULclassiedbattsorblanketswith

a ﬁre hazard classiﬁcation of FHC-25/50 or less.

• Fiberductworkmaybeusedinplaceofinternalduct

liners if the ﬁber duct work is in accordance with the

current revision of the SMACNA construction standard

on ﬁbrous glass ducts. Fibrous duct work and internal

acoustical lining must be NFPA Class 1 air ducts when

tested per UL Standard 181 for Class 1 ducts.

UNIT INSTALLATION

Packaging Removal

Remove the shipping carton and User’s Manual from the

equipment. Take care not to damage the coil or cabinet

when removing the carton. For rooftop installations, remove

and discard the two supports attached beneath the unit.

Rigging & Hoisting

WARNING:

Toavoidtheriskofpropertydamage,personal

injury, or death, it is the rigger’s responsibility

to ensure that whatever means are used to hoist

theunitaresafeandadequate:

• The lifting equipment must be adequate for

theload.RefertoTable 11, (page 26)forunit

weights.

• Theunitmustbeliftedfromtheholesinthe

base rails using cables or chains.

• Spreaderbarsarerequiredtoprotecttheunit

and ensure even loading.

• Keeptheunitinanuprightpositionatalltimes.

The rigging must be located outside the units

centerofgravity.RefertoFigure 10 (page 26)

& Figure 11 (page 29)

forlocatingthecenter

ofgravity.

• Allpanelsmustbesecurelyinplaceduring

rigging and hoisting.

Clearances to Combustible Materials

These units are certiﬁed as combination heating and

cooling equipment for outdoor rooftop or ground level

installations. Units may be installed on combustible

ﬂooring or Class A, B, or C rooﬁng material when used

with bottom supply and return air ducts as long as the

followingrequirementsaremet:

Figure 3

2”

Figure 3. Ground Level Installation

• Ifusingbottomdischargewithreturnairductsaroof

curb must be installed prior to unit installation. See

Rigging and Hoisting section for setting of the unit.

• Sufcientclearanceforunobstructedairowthroughthe

outdoor coil must also be maintained in order to achieve

rated performance. For information about locating the

equipment, see page 5.

Ground Level

Ground level installations must be located according to

localbuildingcodesorordinancesandtheserequirements:

• Clearancesmustbeinaccordancewiththoseshown

in Figure 1 (page 5).

• Asuitablemountingpad(Figure 3) must be provided

and be separate from the building foundation. The pad

must be level to ensure proper condensate disposal and

strong enough to support the unit’s weight. The slab

height must be a minimum of 2” (5cm) above grade

and with adequate drainage.

• RemoveanddiscardthehorizontalSupplyandReturn

duct covers located on the rear of the unit. Form duct

attachment ﬂanges by bending the sheet metal outward

90 degrees along the perforated lines.

• Firmly attachductwork directly to these angeswith

screws or other approved mechanical connections and

not to the Supply/Return air panels to avoid damage to

internal components of the equipment. Once completed

use approved duct sealing methods to ensure an air

and watertight seal is achieved.

Rooftop

Rooftop installations must be located according to local

buildingcodesorordinancesandtheserequirements:

• Theroofmustbecapableofhandlingtheweightofthe

unit. Reinforce the roof if necessary For unit weights,

see Table 11, (page 26).

• Theappropriateaccessoryroofcurbmustbeinstalled

prior to unit installation. The roof curb must be square

and level to ensure proper condensate drainage. See

Figure 4 (page 10). Please follow all instructions

provided with the kit.

• Secure roof curb or frame to roof using acceptable

mechanical methods per local codes. NOTE: Make sure

the two supports beneath the unit have been removed.

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