Ruud 801P SERIES, Installation Instructions Manual

Page: 34 / 52

34
R
Y G W2
W1
CO
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IN
G
CO
NT
AC
TO
R
F
IG
U
R
E
2
7
U
T
E
L
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C
T
R
O
N
IC
C
O
N
T
R
O
L
S
1
1
9
4
-2
0
0
C
O
N
T
R
O
L
B
O
A
R
D
, T
W
IN
N
IN
G
C
O
N
N
E
C
T
IO
N
–
T
W
O
S
T
A
G
E
O
P
E
R
A
T
IO
N
TWINNING
CONTROL BOARDS (cont.)
THERMOSTAT
ST-A1194-25
2-STAGE
Tw
in
ni
ng