Emerson 381333234 E SECTION 4 ADJUSTMENTS

SECTION 4 ADJUSTMENTS
4--1
Time Delay Adjustm ent
Standard time delays are set to customer specifications
(if none specified, standard factory settings are used).
Tochange a setting, follow procedure on page 4-2. Use
Table4-1as a guidetotime delay values and their corre-
sponding adjustment DIP switchor potentiometer.
Table4-1.TimeDelaySettings
DESCRIPTION LABELS FACTORY
SETTING
ADJUSTMENT
RANGE
S3 DIP
SWITCH
ADJUSTMENT
POTENTIOMETER
Override Momentar
y
T
D
E
S
3
s
e
c
o
n
d
s
1second Actuator1 on
1
O
v
e
r
r
i
d
e
M
o
m
e
n
t
a
r
y
NormalSource Outages
T
D
E
S
3secon
d
s
3seconds Actuator 1 off
1
—
T
r
a
n
s
f
e
r
t
o
E
m
e
r
g
e
n
c
y
TIMER 0 minutes 0to5
P
2
T
rans
f
erto
E
mergency
T
I
M
E
R
N
/
E
0
m
i
n
u
t
e
s
(full ccw)
0
t
o
5
minutes
—
—
P
2
Override Momentary
Emergency S. Outages —4seconds non-adjustable — — —
R
e
t
r
a
n
s
f
e
r
t
o
N
o
r
m
a
l
TIMER 30 minutes 1secondto
P
1
R
etrans
f
erto
N
orma
l
T
I
M
E
R
E
/
N
3
0
m
i
n
u
t
e
s
(full cw)
1
s
e
c
o
n
d
t
o
30minutes
—
—
P
1
UnloadedRunning
(Engine Cooldown) —5minutes non-adjustable — — —
Sensor Adjustments
Voltage and frequency sensor pickup and dropout
points are set to customer specifications (if none
specified,standard fa ctory settings are used). Tochange
asetti ng,follow procedure on page 4–2. Use Tables4-2
and 4–3f or settings and corresponding DIP switch
actuators.
NOTICE
Any change in these settings may affect the
normal operation of the automatic transfer
switching equipment. This change could allow
the load circuitsto remain connected to a low
voltage source.
Table4-2. Voltage and Frequency Settings. ( ShadedDIP switches are standard factory settings).
D
E
S
C
R
I
P
T
I
O
N
L
A
B
E
L
S
S
E
T
T
I
N
G
%ofnominal S1 DIP
D
E
S
C
R
I
P
T
I
O
N
L
A
B
E
L
S
S
E
T
T
I
N
G
FACT. SET ADJRANGE
S
1
D
I
P
SWITCH
P
U
/
N
P
i
c
k
u
p
9
0
%
95% * Actuator3 off
3
P
U
/
N
P
i
c
k
up 90%
90% Actuator3 on
3
90% * Actuator1 off
Actuator2 off
21
NormalSource Voltage
D
O
/
N
D
r
o
p
o
u
t
8
5
%
85% Actuator1 on
Actuator2 off
21
DO
/
NDropout 85 %
80% Actuator1 off
Actuator2 on
21
70% Actuator1 on
Actuator2 on
21
Emer
g
enc
y
SourceVolt- –– Pickup 90 % non-adjustable
E
m
e
r
g
e
n
c
y
S
o
u
r
c
e
V
o
l
t
age –– Dropout 75 % non-adjustable ––
–– Pickup 95% non-adjustable
E
m
e
r
g
e
n
c
y
S
o
u
r
c
e
–– Dropout 85 % non-adjustable ––
EmergencySource
Frequency 60
/
50
6
0
/
5
0
H
z
6
0
H
z
60H z Actuator4 off
4
e
q
u
e
c
y
6
0
/
5
0
Hz 60
/
50
H
z60
H
z
50H z Actuator4 on
4
V
o
l
t
a
g
e
P
h
a
s
e
s
3
4
1
4
3
4
/
1
4
3
4
3phase Actuator6off
6
V
o
l
tage
P
h
ases 34,1434
/
1434
1phase Actuator6on
6
* If dropout voltage is set to 90%, the pickup voltage must bese t to 95%.
Table4-3. Transformer Voltage Adjust.
(Low setting shifts all voltage settings down 4.2%; for example, 240 V to 230 V,or 480 V to 460 V)
DESCRIPTION LABELS FACTORY SE TTING ADJUSTMENT S3DIP SWITCH
V
o
l
t
a
g
e
A
d
j
u
s
t
(
4
2
%
)
L
OW
/
H
I
LOW Actuator2 off
2
V
o
l
tage
A
d
j
ust
(
4.2%
)
L
O
W
/
HI
H
I
HI Actuator2 on
2