Bryant 355MAV instruction manual Example of Field Drain Attachment, Sequence of Operation

OPEN STAND

PIPE FOR

A/C OR

HUMIDIFIER

DRAIN

TEE

TO OPEN

DRAIN

A94054

Fig. 49—Example of Field Drain Attachment

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

2.Locate heat tape between sides of condensate trap back. (See Fig. 50.)

3.Use wire ties to secure heat tape in place. Wire ties can be positioned in notches of condensate trap sides. (See Fig. 50.)

4.Wrap field drain pipe with remaining heat tape, approximately 1 wrap per ft.

5.When using field-supplied heat tape, follow heat tape manufacture’s instructions for all other installation guidelines.

CONDENSATE TRAP

WIRE TIE(S)

HEAT TAPE (3 WRAPS MINIMUM)

A93036

Fig. 50—Condensate Trap Heat Tape

SEQUENCE OF OPERATION

CAUTION: Furnace control must be grounded for proper operation, or control will lock out. Control is grounded through green wire routed to gas valve and burner box screw.

Using schematic diagram (see Fig. 30.), follow sequence of operation through different modes. This furnace has a new control system. Read and follow wiring diagra, carefully.

NOTE: If 115-v power supply to furnace or blower access panel switch is interrupted during a call for heat, blower operates at low-heat speed for 60 sec when power is restored before heating cycle is resumed.

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