55
C
L
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 |
A07662
Fig. 7 - To Start Unit Gas Heat
8