Aiphone 83873900 0602 E User Manual
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PRECAUTIONS ON INSTALLATION & WIRING
PRECAUTIONS ON INSTALLATION & WIRING
WARNING
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 modify NHX equipment.
3. The NHX equipment must not be exposed to water or any other liquid.
4. Do not open NHX-80X without first unplugging 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. Do not plug or unplug with wet hands.
8. Keep AC outlet away from moisture and dust.
3. The NHX equipment must not be exposed to water or any other liquid.
4. Do not open NHX-80X without first unplugging 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. Do not plug or unplug with wet hands.
8. Keep AC outlet away from moisture and dust.
: WARNING
(Negligence could result in death or serious
injury)
injury)
: PRECAUTIONS
(Negligence could result in injury or damage
to property)
to property)
: GENERAL PRECAUTIONS.
: Prohibitions to dismantle equipment.
: Prohibitions to subject the equipment to
water.
: Take the unit to earth ground.
PRECAUTIONS
1. Mount the NHX-80X unit on wall in a convenient location, but not where it could be bumped or
jarred.
2. Do not install NHX components in any of the following locations, as it may cause the system
to malfunction;
– High or extreme cold temperature area: under direct sunlight, near equipment that varies
– High or extreme cold temperature area: under direct sunlight, near equipment that varies
in temperature, in front of air-conditioner, inside a refrigerated area, etc.
– Places subject to moisture or humidity extremes.
– Places subject to environmental conditions, such as oil, dust, chemicals, salt, etc.
– Places subject to constant vibration or impact.
– Places subject to environmental conditions, such as oil, dust, chemicals, salt, etc.
– Places subject to constant vibration or impact.
3. Take to earth ground every bed of metal pipe construction to protect Bedside sub stations and
hand-held call buttons from ESD(Electrostatic discharge).
GENERAL PRECAUTIONS
1. NHX system is not operable during a power failure.
2. In areas where broadcasting station antennas are close by, NHX intercom system may be
2. In areas where broadcasting station antennas are close by, NHX intercom system may be
affected by radio frequency interference.
3. Keep all DC wiring at least 30cm, 20” away from AC100~240V wiring, fluorescent lighting, or
dimmer switches. Cross AC wiring at a 90° angle.
4. Do not connect any devices other than the Aiphone Models covered in this Manual.
Markings
In accordance with CSA C22.2 No.125-M1984, the 4th Edition Standard, For Electromedical
Equipment the following NHX Series units are provided with the "Risque class1 Part" (and in French-
"Risque La Pièce class1") marking.
Model NH-1SA, and -2SA, -1SA/A, -2SA/A Patient Stations;
Model NHR-7A, Bath Pull-Cord Stations;
Model NHR-8A, Call Cord
Equipment the following NHX Series units are provided with the "Risque class1 Part" (and in French-
"Risque La Pièce class1") marking.
Model NH-1SA, and -2SA, -1SA/A, -2SA/A Patient Stations;
Model NHR-7A, Bath Pull-Cord Stations;
Model NHR-8A, Call Cord
This Manual is supplied with the NHX-80X Central Control Unit.
Prior to installation of NHX system, the contents of this Manual must be thoroughly read and understood.
The Operation Manual is supplied with the NHX-50M master station.
Prior to installation of NHX system, the contents of this Manual must be thoroughly read and understood.
The Operation Manual is supplied with the NHX-50M master station.