Bryant 355CAV Instruction Manual download pdf (Page 42)

Table 8 – Vent Termination Kit for Direct Vent / 2--Pipe System

DIRECT VENT (2 PIPE) TERMINATION

KIT

TERMINATION SYSTEM

DIAMETER OF COMBUSTION AIR

AND VENT PIPES (IN INCHES)

2in. Concentric Vent Kit Single Penetration of Wall or Roof 1,1--1/2,2,or2--1/2

3in. Concentric Vent Kit Single Penetration of Wall or Roof 2--1/2, 3 or 4

2in. Termination Bracket Kit 2Pipe Termination System 1, 1-- 1/2 or 2

3in. Termination Bracket Kit 2Pipe Termination System 2--1/2, 3 or 4

Multi--venting and Vent Terminations

When 2 or more 355CAV Furnaces are vented near each other ,

each furnace must be individually vented. NEVER common vent

or breach vent 355CAV furnaces.

OPEN STAND

PIPE FOR

A/C OR

HUMIDIFIER

DRAIN

TEE

TO OPEN

DRAIN

A94054

Fig. 45 -- Example of Field Drain Attachment

CONDENSATE DRAIN

General

Condensate trap is shipped installed in the blower shelf and

factory connected for UPFLOW applications. Condensate trap

must be RELOCATED for use in DOWNFLOW and

HORIZONTAL applications.

Condensate trap MUST be used for all applications.

An external trap is not required when connecting the field drain

to this condensate trap.

The field drain connection (condensate trap or drain tube

coupling) is sized for 1/2--in. CPVC, 1/2-- in. PVC, or 5/8--in. ID

tube connection.

Drain pipe and fittings must conform to ANSI standards and

ASTM D1785, D2466, or D2846. CPVC or PVC cement must

conform to ASTM D2564 or F493. Primer must conform to

ASTM F656. In Canada, use CSA or ULC certified schedule 40

CPVC or PVC drain pipe, fittings, and cement.

When a condensate pump is required, select a pump which is

approved for condensing furnace applications. To avoid

condensate spillage, select a pump with an overflow switch.

Furnace condensate is mildly acidic, typically in the pH range of

3.2 to 4.5. Due to corrosive nature of this condensate, a

condensate pH neutralizing filter may be desired. Check with

local authorities to determine if a pH neutralizer is required.

Application

The furnace, A/C, and humidifier drains may be combined and

drained together. The A/C drain must have an external,

field--supplied trap prior to the furnace drain connection. All

drain connections (furnace, A/C, or humidifier) must be

terminated into an open or vented drain as close to the respective

equipment as possible to to prevent siphoning of the

equipment’s drain.

CONDENSATE TRAP

WIRE TIE(S)

HEAT TAPE

(3 WRAPS MINIMUM)

A93036

Fig. 46 -- Condensate Trap Heat Tape

See Fig. 45 for example of possible field drain attachment using

1/2--in. CPVC or PVC tee for vent and A/C or humidifier drain

connection.

Outdoor draining of the furnace is permissible if allowed by local

codes. Caution should be taken when freezing ambient may

freeze drain pipe and prohibit draining.

PERSONAL INJURY HAZARD

Failure to follow this warning could result in personal

injury or death.

Caution should be taken to prevent draining where slippery

conditions may cause personal injuries. Excessive

condensate draining may cause saturated soil conditions

which may result in damage to plants.

WARNING

Condensate Drain Protection

Freezing condensate left in condensate trap and drain line may

cause cracks, and possible water damage may occur. If freeze

protection is required, use condensate freeze protection accessory

or equivalent 3 to 6 watt per ft at 120v and 40_F self--regulating,

shielded, and waterproof heat tape. See Installation Instructions

supplied with accessory or heat tape manufacturer’ s

recommendations.

1. Fold heat tape in half and wrap on itself 3 times.

355CAV

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Bryant 355CAV Instruction Manual Page 42

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