
Z4-8MK3 Installation and User Guide4
Safety Information
Safety Notes regarding Installation
• Do not expose the unit to water or moisture.
• Do not expose the unit to naked ames.
• Do not block or restrict any air vent.
• Do not operate the unit in ambient temperatures
above 35°C.
• Do not touch any part or terminal carrying the
hazardous live symbol ( ) while power is supplied to
the unit.
• Do not perform any internal adjustments unless you
are qualied to do so and fully understand the hazards
associated with mains-operated equipment.
• The unit has no user-serviceable parts. Refer servicing
to qualied service personnel.
• If the moulded plug is cut off the AC power lead for
any reason, the discarded plug is a potential hazard and
should be disposed of in a responsible manner.
Conformities
This product conforms to the following European EMC
Standards:
BS EN 55103-1:2009
BS EN 55103-2:2009
This product has been tested for use in commercial and
light industrial environments. If the unit is used in controlled
EMC environments, the urban outdoors, heavy industrial
environments or close to railways, transmitters, overhead
power lines, etc., the performance of the unit may be degraded.
The product conforms to the following European electrical
safety standard:
BS EN 60065:2012
Safety Considerations and
Information
The Z8MK3 and Z4MK3 must be earthed. Ensure that the
mains power supply provides an effective earth connection
using a three-wire termination.
Caution – High Voltage
Do not touch any part or terminal carrying the hazardous live
symbol ( ) while power is applied to the unit. Terminals to
which the hazardous live symbol refers require installation by
a qualied person.
Caution – Mains Fuse
The internal PSU contains no user-replaceable fuses. Mains
over-current protection is provided by the fuse in the IEC
receptacle; only replace this fuse with one of an identical type
and rating.
Caution – Servicing
The unit contains no user-serviceable parts. Refer servicing to
qualied personnel. Do not perform servicing unless you are
qualied to do so. Disconnect the power cable from the unit
before removing the top panel and do not make any internal
adjustments with the unit switched on. Only reassemble the
unit using bolts/screws identical to the original parts.
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