Lennox GCS16-513-125

C4diagram
with D8 diagram
Flexstat with three-position economizer and warm-up
Page 105
Economizer Footnotes
Thermostat Footnotes
24V POWER
ECONOMIZER
BLOWER
HEAT 1
HEAT 2
COOL 2
COOL 1
24V COMMON
1
16
20
18
17
2
3
15
11
25
5
5
9
24
10
19 21
23
26
22
4
12
6
8
13
7
14