Bryant 4-WAY MULTIPOISE TWO-STAGE CONDENSING GAS FURNACE 352AAV Instrucciones de operaciones descargar pdf (Pagina 46)

OPEN STAND

PIPE FOR

A/C OR

HUMIDIFIER

DRAIN

TEE

TO OPEN

DRAIN

A94054

Fig. 46 -- Example of Field Drain Attachment

PERSONAL INJURY HAZARD

Caution should be taken to prevent draining where slippery

conditions may cause personal injuries.

Excessive condensate draining may cause saturated soil

conditions which could 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 120-v and 40°F(4°C)

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.

2. Locate heat tape between sides of condensate trap back.

(See Fig. 47.)

3. Use wire ties to secure heat tape in place. Wire ties can be

positioned in notches of condensate trap sides. (See Fig.

47.)

4. Wrap field drain pipe with remaining heat tape,

approximately 1 wrap per ft.

5. When using field-supplied heat tape, follow heat tape

manufacturer’s instructions for all other installation

guidelines.

START-UP ADJUSTMENT AND

SAFETY CHECK

FURNACE MAY NOT OPERATE

Failure to follow this caution may result in furnace operation

stopping and water pipes freezing during cold weather.

Furnace control must be grounded for proper operation, or

control will lockout. Control is grounded through green/yellow

wire connected to gas valve C-terminal and burner box screw.

CAUTION

CONDENSATE TRAP

WIRE TIE(S)

HEAT TAPE

(3 WRAPS MINIMUM)

A93036

Fig. 47 -- Condensate Trap Heat Tape

Step 1 -- General

The furnace must have a 115-v power supply properly connected

and grounded.

NOTE: Proper polarity and proper grounding must be

maintained for 115-v wiring. If polarity is incorrect, control status

indicator light will flash rapidly and the furnace will not operate.

Natural gas service pressure must not exceed 0.5 psig (14-in. wc),

andbenolessthan0.16psig(4.5-in.wc).

Thermostat wire connections at R and W/W1 are the minimum

required for gas heating operation. W2 must be connected for

2-stage heating thermostats. C

OM, Y/Y2, and G are required for

cooling, heat pumps, and some clock thermostats. These must be

made at the 24-v terminal block on the control. (See Fig. 37.)

This furnace can be installed with either a single-stage heating or

a 2-stage heating thermostat.

For single-stage thermostats, connect thermostat W to W/W1 at

furnace control terminal block. (See Fig. 31 and 50H.) For

single-stage thermostats, the control will determine, based on

length of previous heating on and off cycles, when to operate in

low- and high-gas heat for optimum comfort. Setup switch-1

(SW-1) must be in the factory-shipped OFF position. See Fig. 36

and Table 11 and 12 for setup switch information.

352AAV

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Bryant 4-WAY MULTIPOISE TWO-STAGE CONDENSING GAS FURNACE 352AAV Instrucciones de operaciones Pagina 46

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