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Bryant 355CAV User Manual

Page 47

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47

A99118

Fig. 50 -- Inducer Housing Drain Tube

A01050

Fig. 51 -- Filling Condensate Trap

Table 9 – Furnace Setup Switch Description

SETUP SWITCH

NO.

SWITCH NAME

NORMAL

POSITION

DESCRIPTION OF USE

SW1---1

Status Code Recovery

OFF

Turn ON to retrieve up to 7 stored status codes for troubleshooting

assistance when R thermostat lead is disconnected.

SW1---2

Low Heat Only

(Adaptive Heat Mode when

OFF)

OFF

When SW1---2 and SW4---2 are OFF allows step---modulating opera-

tion with a single stage thermostat. Turn ON when using 2 stage

thermostat to allow Low Heat operation when R to W/W1 closes and

High Heat operation when R to W/W1 and W2 close.

SW1---3

Low/Medium Heat Rise Adjust

OFF

Turn ON to increase Low and Medium Heat airflow by 18 percent.

This compensates for increased return air temperature caused with

bypass humidifier. This also increases the Low and Medium Heat

inducer speed 15 percent

SW1---4

Comfort/Efficiency Adjust-

ment

ON

Turn ON to decrease Low Heat airflow 9 percent,

Medium Heat airflow 7 percent,

and High Heat airflow 15 percent for maximum comfort.

SW1---5

CFM per ton adjust

OFF

Turn ON for 400 CFM per ton. Turn OFF for 350 CFM per ton.

SW1---6

Component Self Test

OFF

Turn ON to initiate Component Self Test for troubleshooting

assistance when R thermostat lead is disconnected. Turn OFF

when Self Test is completed.

SW1---7

and SW1---8

Blower OFF delay

ON or OFF

Blower Off Delay time.

See Table 6.

SW4---2

Medium Heat Only (Adaptive

Heat Mode

when OFF)

OFF

When SW1---2 and SW4---2 are OFF allows step---modulating opera-

tion with a single stage thermostat. Turn ON when using 2 stage

thermostat to allow Medium Heat operation when R to W/W1 closes

and High Heat operation when R to W/W1 and W2 close.

1. Remove upper inducer housing drain connection cap. (See

Fig. 50.)

2. Connect field--supplied 1/2--in. ID tube to upper inducer

housing drain connection.

3. Insert field--supplied funnel into tube.

4. Pour 1 quart of water into funnel/tube. Water should run

through inducer housing, overfill condensate trap, and flow

into open field drain. (See Fig. 51.)

355C

A

V

355C

A

V