Aiphone NHX SYSTEM series - Precautions on NHX System; General Warnings; Operational Precautions; General Safety Guidelines

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PRECAUTIONS ON NHX SYSTEM
PRECAUTIONS ON NHX SYSTEM
WARNIN
G
1
. Do not connect a power supply other than Aiphone Model PS-24E or PS-2420 to terminals +,
–
on NHX-80X. Doing so can cause fire or damage to the unit
.
2. Do not change or modi
f
y NHX equipment
.
3.
Th
e
NHX
equ
i
pment must not
b
e expose
d
to water or an
y
ot
h
er
li
qu
id.
4. Do not open NHX-80X without first unplu
gg
in
g
power supply(ies) to prevent electric shock
.
5
. Make sure wires are connected properly before plugging in the power supply
(
ies
).
6
. Keep AC cord free from being pulled or crushed
.
7.
D
o not p
l
ug or unp
l
ug w
i
t
h
wet
h
an
d
s
.
8
. Keep A
C
outlet away from moisture and dust
.
:
WARNIN
G
(
Ne
g
li
g
ence could result in death or seriou
s
i
njury
)
:
P
RE
C
A
U
TI
O
N
S
(
Negligence could result in injury or damag
e
t
o propert
y)
:
G
ENERAL PRE
C
AUTI
O
N
S
:
P
ro
hibi
t
i
ons to
di
smant
l
e e
q
u
ip
ment.
:
Prohibitions to sub
j
ect the equipment t
o
wa
t
er
.
:
T
a
k
e t
h
e un
i
t to eart
h
groun
d.
P
RE
C
A
U
TI
O
N
S
1
.
M
ount t
h
e
NHX
-80
X
un
i
t on wa
ll
i
n a conven
i
ent
l
ocat
i
on,
b
ut not w
h
ere
i
t cou
ld
b
e
b
um
p
e
d
o
r
j
arre
d.
2. Do not install NHX components in any of the followin
g
locations, as it may cause the system
to malfunction
;
–
Hi
g
h
or extreme co
ld
temperature area: un
d
er
di
rect sun
li
g
h
t, near equ
i
pment t
h
at var
i
es
i
n temperature, in
f
ront o
f
air-conditioner, inside a re
f
ri
g
erated area, etc
.
–
Pl
aces su
bj
ect to mo
i
sture or
h
um
idi
ty extremes
.
–
Places sub
j
ect to environmental conditions, such as oil, dust, chemicals, salt, etc
.
–
Places subject to constant vibration or impact
.
3. Take to earth ground every bed o
f
metal pipe construction to protect Bedside sub stations and
hand-held call buttons from E
S
D(Electrostatic dischar
g
e)
.
G
ENERAL PRE
C
AUTI
O
N
S
1
. NHX system is not operable durin
g
a power failure
.
2. In areas where broadcasting station antennas are close by, NHX intercom system may b
e
a
ffected b
y
radio frequenc
y
interference
.
3. Keep all D
C
wirin
g
at least 30cm, 20” away from A
C
100~240V wirin
g
, fluorescent li
g
htin
g
, o
r
d
immer switches.
C
ross A
C
wirin
g
at a 90° an
g
le
.
4. Do not connect any devices other than the Aiphone Models covered in this Manual
.
䡵
Prior to use, the contents of the
O
peration Manual must be thorou
g
hly read and understood for safe and prope
r
operations of the NHX system. Please keep this Manual for future reference
.
Beds
i
de sub stat
i
on model
s
NH-1
S
A
/
A or NH-2
S
A
/
A are bedside sub stations which can be installed multipl
y
in multi-station patient room. Thei
r
appearance and operation are exactly the same as NH-1
S
A and NH-2
S
A, and differ only in lamp li
g
htin
g
conditions o
n
t
he corridor when multi
p
le calls of different levels have been
p
laced within a room
.