Vertical Installation - Carrier 50YFV Installation, Operation And Maintenance Instructions

Gt-pb series residential digital horizontal & vertical packaged geothermal heat pumps

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R e s i d e n t i a l D i g i t a l P a c k a g e d U n i t s G T- P B S e r i e s - 6 0 H z P u r o n

Vertical Unit Location

Packaged units are not designed for outdoor installation.

Locate the unit in an INDOOR area that allows enough space

for service personnel to perform typical maintenance or

repairs without removing the unit from the installed location.

Vertical units are typically installed in a mechanical closet

or basement. Never install units in areas subject to freezing

or where humidity levels could cause cabinet condensation

(such as unconditioned spaces subject to 100% outside air).

Also, provide sufﬁ cient room to make water, electrical, and

duct connection(s).

If the unit is located in a conﬁ ned space, such as a closet,

provisions must be made for return air to freely enter the

space by means of a louvered door or other method. Any

access panel screws that would be difﬁ cult to remove after

the unit is installed should be removed prior to setting

the unit. Refer to Figures 1 and 2 for typical installation

illustrations. Refer to unit catalog speciﬁ cations for

dimensional data.

1. Install the unit on a piece of rubber, neoprene or other

mounting pad material for sound isolation. The pad

should be at least 3/8" [10mm] to 1/2" [13mm] in

thickness. Extend the pad beyond all four edges of the

unit.

2. Do not block ﬁ lter access with piping, conduit or

other materials. Refer to unit catalog speciﬁ cations for

dimensional data.

3. Provide access to water valves and ﬁ ttings and

screwdriver access to the unit side panels, discharge

collar and all electrical connections.

Figure 1: Vertical Unit Mounting

Figure 2: Typical Vertical Unit Installation Using Ducted

Return Air

Internally insulate return

transition duct to reduce

noise

Sound Attenuation for Vertical Units

Sound attenuation is achieved by enclosing the unit within a

small mechanical room or a closet. Additional measures for

sound control include the following:

Mount the unit so that the return air inlet is 90° to the

return air grille (refer to Figure 3). Install a sound bafﬂ e

as illustrated to reduce line-of sight sound transmitted

through return air grilles.

Mount the unit on a unit isolation pad to minimize

vibration transmission to the building structure. For more

information on unit isolation pads, contact your distributor.

Figure 3: Vertical Sound Attenuation

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