Install Instructions
385 Hwy. 33 Englishtown, NJ 07726
Ph: 800-446-3110 - Fx: 732-446-5362
CONTROLS INC.
Excellence Without Compromis
e
P/N 090377A0124 REV. B Copyright © EWC Controls 2007 All Rights Reserved
E
W
C
1
0
S2
S3
S1
S2
S3
S1
1
0
S2
S3
S1
S2
S3
S1
FIGURE 2 -- TRIP POINT
When the arrow is pointing to the LEFT of 0 & 1, S1 & S2
are CLOSED. When the arrow is pointing to the RIGHT of
0 & 1, S1 & S3 are CLOSED. The Trip point can be
adjusted by turning the arrow with a small Flat-Head
screw driver.
TRIP POINT ADJUSTMENT
FIELD SOLUTION
LOAD
TRIP POINT ADJUSTMENT
S2 S1
L1
L2
SOURCE
MODEL S1A
AUXILIARY
END-SWITCH
Forced Air Zone Controls
®
SUBMITTAL SHEET
Model S1A – Auxiliary End- Switch
Pilot Duty Only