MEDC DB3B UL Manuel Technique page 6

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DC version – Dual stage common +ve with monitoring (standard configuration) wiring details (Type 4)
DC
e v
s r
o i
n
D
u
a
s l
a t t a
g
e
Connect up to 4 supply wires to the terminals as
Co
n
e n
t c
u
p
o to
4
u s
p
p
y l
i w
detailed in the wiring diagram. Stage 1 is
de
t
l ai
d e
i
t n
e h
w
r i
n i
g
i d
ag
pr r o
produced when power is applied across the
o
d
u
e c
d
w
h
n e
po
w
r e
s i
co
common +ve and stage 1 -ve terminals. Stage 2 is
m
m
o
n
+
e v
a
n
d
s
a t
e g
1
pr r o
produced when power is applied across the
o
d
d
u
e c
d
d
w
h
h
n e
po
w
r e
s i
i
co
common +ve and stage 2 -ve terminals.
m
m
o
n
+
e v
a
n
d
s
a t
ge
2
Monitoring functionality is obtained when the
Mo
i n
to
r o
n i
g
u f
n
t c
o i
n
l a
y t i
ty
su
supply is connected across M1 & M2 terminals.
p
p
y l
s i
o c
n
e n
t c
d e
c a
o r r o
No
Note: monitored terminals are not polarity
: e t
m
o
t i n
r o
d e
t
r e
m
n i
a
de
dependent
pe
n
de
t n
DC
DC Version – Up to 3 user selectable stages with 2 independantly powered stages (Type 5)
V
e
s r
o i
n
– U
p
o t
3
s u
Co
Connect up to 4 supply wires to the terminals as
n
e n
t c
u
p
o to
4
u s
p
p
y l
i w
de
detailed in the wiring diagram. Stage 1 is
t
l ai
d e
i
t n
e h
w
r i
n i
g
i d
ag
pr r o
produced when power is applied across the stage
o
d
u
e c
d
w
h
n e
po
w
r e
s i
1 terminals. Stage 2 is produced when power is
1
t
r e
m
n i
a
. s l
S
a t
e g
2
s i
p
appl
applied across the stage 2 terminals. Stages 1 and
i
d e
ac
r r o
s o
t s
e h
t s
ag
e
2 may be powered from independent supplies.
2
m
y a
e b
p
ow
r e
d e
r f
om
St
Stage 3 is produced when power is applied to both
a
e g
3
s i
p
o r r o
d
c u
ed
w
h
n e
the stage 1 and stage 2 terminals.
th
e
s
ta
g
e
1
a
n
d
s
ta
g
e
2
Re
Re
Resistors may be added to the terminals as shown
s i s
s i s
o to
o to
s r r s
s r r s
m
m
y a
y a
e b
e b
a
a
d
d
e d
e d
d
d
for monitoring purposes. Monitoring functionality is
fo
r
m
o
t i n
r o
n i
g
p
u
p r
o
e s
. s
av
available at all times if a suitable monitoring relay
ai
l
abl
e
at
al
t l
m i
s e
f i
a
is
is used in the system.
s u
d e
i
t n
e h
s
s y
e t
m
.
02/15
o c
m
m
m
o
n
+
e v
i w
h t
m
o
n
e r
t s
o
h t
t e
r e
m
n i
a
ls
s a
a r
m
.
t S
ag
e
1
s i
appl
e i
i
d
ac
r
ro
s o
t s
e h
-
ve
t
t
r e
m
n i
a
. s l
S
a t
e g
2
s i
appl
i l
i
e i
i
d
d
ac
r
ro
s o
t s
h t
e h
-
ve
t
t
r e
m
n i
a
. s l
s i
o
b
a t
a
n i
d e
w
e h
t n
e h
ss
M
1
&
M
2
t
r e
m
n i
a
s. l
s l
a
e r
n
t o
p
l o
r a
y t i
ty
r e
s
l e
e l
t c
abl
e
s
a t
g
s e
w
i
h t
e r
t s
o
h t
t e
r e
m
n i
a
ls
s a
a r
m
.
t S
ag
e
1
s i
appl
i
e i
d
ac
r
ro
s o
t s
e h
t s
ag
e
o r
d
u
e c
d e
w
h
n e
p
o
w
r e
s i
2
t
r e
m
m
n i
al
. s
t S
ag
s e
1
an
n i
e d
p
p
n e
e d
t n
u s
p
p
e i l
. s
p
o
w
w
r e
s i
a
p
p
i l
ed
o t
b
o
te
r
m
n i
n
a
. s l
o to
o to
t
t
e h
e h
t
t
r e
r e
m
m
n i
n i
a
a
s l
s l
s a
s a
h s
h s
o
o
w
w
n
n
M
o
i n
to i
r o
n i
g
fu
n
t c
o i
n
l a
y t i
ty
s
t i u
ab
b
le
m
o
t i n
r o
n i
g
e r
a l
t i
r o
n i
g
s (
a t
n
d
a
d r
o c
n
i f
g i
r u
2
n i
de
p
e
n
da
t n
y l
po
w
w
e
d
h t
s i
y
t a
o i
) n
w
r i
n i
g
d
e
a t
s l i
(
y T
e r
d
t s
ag
e
( s
y T
p
e
) 5
p
e
) 4
© MEDC 2015

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