HEIL PGD4 - Page 5

46202200205 5
Specifications are subject to change without notice.
55
STEP 1 STEP 2
C
L
O
S
E
STEP 3
OFF
ON
MAIN
STEP 4
STEP 7
OFF
ON
MAIN
STEP 8
STEP 5
72
STEP 10
STEP 6
STEP 9
O
P
E
N
A07662
Fig. 4 -- To Start Unit Gas Heat