HK
-41702
Optional connection to E
RR
S Sy
stem, Terminal No:
1 to +24VDC
E
M
ER
GE
NC
Y POW
ER
SYSTE
M
4
to
0VDC
E
M
ER
GE
NC
Y
POW
ER
SYSTE
M
2
to + output E
RR
S System (u
ppe
r t
erm
ina
ls 1
-1
0 i
n E
RR
S c
on
tro
l b
ox
)
5 to - output E
RR
S sy
stem (Low
er terminals 1-10
in E
RR
S control box)
POW
ER
SUPPLY, Terminal No:
TE
STING
THE
INS
TALLATION:
The
correct function
of the HAMMAR
ERU RELEASE SW
ITCH can be
tested by
Note 3
co
nn
ec
tin
g
a
2
00
m
A
F 5
x2
0 m
m
g
la
ss t
ube
fu
se
to
th
e E
RU
R
EL
EA
SE
S
W
ITC
H
output instead of the
pos. 1 ERU
unit. The
fuse blow
s off w
hen the
ERU RELEASE
SW
ITC
H
pu
sh
bu
tto
n i
s pr
es
sed
if
the s
yst
em
is correc
tly
ins
talled
.
PO
S 1: H
A
M
M
A
R ELECTRIC RELEASE UNIT (H
20 ERU)
POS 2:
HAMMAR ERU CONNECTION BOX
Cable glands, max cable diameter
10 mm
Terminals: max cable area 2,5 mm2
POS 3:
HAM
M
A
R ERU RELEASE
SWITCH with
integrated
push button
Input voltage
18VDC - 32VDC, Max.
intermittent
load 3A
Cable glands, max cable diameter
12 mm
Terminals: max cable area 2,5 mm2
POS 4:
Ca
ble,
2 x m
in
. 0,75 m
m
2 (
sc
reen
ed).
Outer dia
m
eter m
a
x.10
m
m
POS 5:
Ca
ble,
4 x m
in
. 0,75 m
m
2 (
sc
reen
ed).
Outer dia
m
eter m
a
x.12
m
m
or
Cable, 2
x min. 0,75 mm2 (screened). Outer diameter
max.12 mm
Note 1: When connecting the cable from
the H20 -ERU to
the CONNECTION BOX,
the polarity of the wires is of no
importance.
Note 2: Connect the screen of the cabl
es inside the Release switch enclosure
Note 3: Connect the screen of the
power supply ca
ble to sh
ips groun
d
Sh
ee
t1
1
C
M
H
AMMA
R
A
B
Dr
aw
n/Ri
tad
Check
ed
/Kontr
.
A
ppr
./G
odk
änd
D
ate/
D
atu
m
: (
dd
-m
m
-yyyy)
Re
pl
./Er
sätte
r:
Scale
/sk
ala
Dr
aw
.N
o.
/Ri
tn.
nr
.
De
t.
N
um
be
r/ant
.
De
sig
nat
io
n/
be
näm
n.
M
at
eria
l
N
ote
s/note
ringar
tc
Te
l.: +
46 3
1 70
9 65 50
Fax
.: +
46 3
1 4
9 70
2
3
24
V
D
C
- C
O
N
N
EC
TIO
N
D
IA
G
RA
M
ER
U1
001
tc
03-1
0-2007
Re
v.:
7
tc
HA
MMA
R H
20
ERU -
RELEA
SE S
W
ITCH
of
3
4
1
2
5
Note 1
7
mo
d
ule
12
3
4
5
6
1: +24VDC
4: 0VDC
3: +ERU outp.
6: - ERU outp.
5: - ERRS (optional)
2: + ERRS (optional)
Ele
ct.
Note 2
WIRING CONNECTION DIAMGRAM ERU
