Bryant 577D manual Main, To Start Unit Gas Heat

4.Remove the front access panel.

5.Move the selector switch on the internal gas valve to the OFF position.

6.Replace the front access panel

7.Restore electrical power to the unit and set system switch to COOL.

8.Set the temperature selector on UI slightly below the room temperature to start unit.

To shut off unit electric cooling:

Refer to Fig. 6 while proceeding with the following steps.

1.Set the temperature selector on UI to highest temperature set- ting and set system SWITCH to OFF.

2.Close the external manual shutoff valve.

3.Turn off the electrical power supply to the unit.

55

CL

O

S

E

MAIN

ON

OFF

STEP 1 STEP 2 STEP 3

STEP 4 STEP 5

STEP 6 STEP 7

MAIN

ON

O

P

E

N

72

OFF

STEP 8 STEP 9 STEP 10

A09133

Fig. 4 - To Start Unit Gas Heat

4