Bryant 355MAV Instructions d'exploitation télécharger pdf (Page 7)

1. Collector Box Drain, Inducer Housing Drain, Relief Port,

and Pressure Switch Tubes

These tubes should be factory attached to condensate trap

and pressure switch ready for use in UPFLOW applications.

These tubes can be identified by their connection location

and also by a color label on each tube. These tubes are

identified as follows: collector box drain tube (blue label),

inducer housing drain tube (violet label or molded), relief

port tube (green label), and pressure switch tube (pink

label).

2. Condensate Trap Drain Tube

The condensate trap drain connection must be extended for

field attachment by doing the following:

a. Determine location of field drain connection. (See Fig. 2

or 7.)

NOTE: If internal filter or side filter/media cabinet is used, drain

tube should be located to opposite side of casing from return duct

attachment to assist in filter removal.

b. Remove and discard casing drain hole plug button from

desired side.

c. Install drain tube coupling grommet (factory-supplied in

loose parts bag) in selected casing hole.

d. Slide drain tube coupling (factory-supplied in loose parts

bag) through grommet so long end of coupling faces

blower.

e. Cement 2 factory-supplied 1/2-in. street CPVC elbows to

rigid drain tube connection on condensate trap. (See Fig.

7.) These elbows must be cemented together and ce-

mented to condensate trap drain connection.

NOTE: Failure to use CPVC elbows may allow drain to kink,

preventing draining.

f. Connect larger diameter drain tube and clamp (factory-

supplied in loose parts bag) to condensate trap and clamp

securely.

g. Route tube to coupling and cut to appropriate length.

h. Attach tube to coupling and clamp securely.

C. Condensate Trap Location (Alternate Upflow

Orientation)

An alternate location for the condensate trap is the left-hand side

of casing. (See Fig. 2 and 8.)

NOTE: If the alternate left-hand side of casing location is used,

the factory-connected drain and relief port tubes must be discon-

nected and modified for attachment. See Condensate Trap Tubing

(Alternate Upflow Orientation) section for tubing attachment.

To relocate condensate trap to the left-hand side, perform the

following:

1. Remove 3 tubes connected to condensate trap.

2. Remove trap from blower shelf by gently pushing tabs

inward and rotating trap.

Fig. 7—Factory-Shipped Upflow Tube Configuration

(Shown With Blower Access Panel Removed)

A94213

COLLECTOR BOX

TUBE (PINK)

COLLECTOR BOX

TUBE (GREEN)

INDUCER HOUSING

(MOLDED) DRAIN

TUBE (BEHIND

COLLECTOR BOX

DRAIN TUBE)

COLLECTOR BOX

DRAIN TUBE (BLUE)

FIELD-INSTALLED

FACTORY-SUPPLIED

DRAIN TUBE

COUPLING (LEFT

DRAIN OPTION)

FIELD-INSTALLED

FACTORY-SUPPLIED

DRAIN TUBE

FIELD-INSTALLED

FACTORY-SUPPLIED

DRAIN TUBE

COUPLING (RIGHT

DRAIN OPTION)

CAP

COLLECTOR BOX

DRAIN TUBE (BLUE

& WHITE STRIPED)

PLUG

FIELD-INSTALLED

FACTORY-SUPPLIED

⁄2 -IN. CPVC STREET

ELBOWS (2) FOR

LEFT DRAIN OPTION

CONDENSATE

TRAP

Fig. 8—Alternate Upflow Tube Configuration and

Trap Location

A94214

COLLECTOR BOX

TUBE (PINK)

CONDENSATE

TRAP

COLLECTOR BOX

TUBE (GREEN)

COLLECTOR BOX

DRAIN TUBE (GREEN)

INDUCER

HOUSING

DRAIN TUBE

(VIOLET)

CAP

COLLECTOR BOX

DRAIN TUBE (BLUE

& WHITE STRIPED)

PLUG

—7—

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Bryant 355MAV Instructions d'exploitation Page 7

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