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Barber Colman Manuals
HVAC Replacement Parts
Dial Stop Ins (100 Pack)
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120
R53
7 (237
5-
50
1)
F
-27
38
3-1
© C
op
y
rig
ht
20
06 T
A
C. A
l
l Ri
gh
ts
Re
se
rv
ed
.
105
Typical Applications
Figure 1 Typical Appl
ication.
Branch Air to Control Device
(S
1
+ S
2
) ± BIAS
S2
S1
MB
M
Input
Signal #1
Input
Signal #2
R537 Summation Relay
1
...
...
117
118
119
120
121
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