Nortek Control MC960PA Installation Instructions Manual

The Model MC960PA Remote Power Amplifi er is an optional upgrade stereo power amplifi er designed for use with the
dmc1 and dmc3-4 Music/Communication System Masters. The wall mounted amplifi er can power up to ten pairs of
45-ohm intercom speakers for stereo sound distribution. Each pair of speakers connects to the MC960PA amplifi er
through a Model SVC96 or SVC96I Stereo Volume Control. Monaural installations with up to 20 speakers per amplifi er
are also supported using Model MVC1 or MVC1A Monaural Volume Controls. The volume control sets the sound level
in the room for the specifi c pair of speakers. The MC960PA amplifi er connects to 120 VAC for power. Wiring connections
are provided for connecting up to three MC960PA amplifi ers per system for increased speaker capacity.
MC960PA REMOTE POWER AMPLIFIER

INSTALLATION INSTRUCTIONS

The exclamation point within an equilateral triangle is
intended to alert the user to the presence of important
operating and maintenance (servicing) instructions in the
literature accompanying the product.
Read Instructions - All the safety and operating
instructions should be read before the appliance is
operated.
Retain Instructions - The safety and operating
instructions should be retained for future reference.
Heed Warnings - All warnings on the appliance and in the
operating instructions should be adhered to.
Follow Instructions - All operating and use instructions
should be followed.
Water and Moisture - The appliance should not be used
near water - for example: near bathtub, washbowl, kitchen
sink, laundry tub, in a wet basement, or near a swimming
pool, and the like.
Attachments - Do not use attachments not recommended
by the product manufacturer as they may cause hazards.
Ventilation - The appliance should be situated so that
its location or position does not interfere with its proper
ventilation. For example, the appliance should not be
situated on a bed, sofa, rug, or similar surface that may block
the ventilation openings: or, placed in a built in installation,
such as a bookcase or cabinet that may impede the fl ow of
air to the ventilation openings.
Heat - The appliance should be situated away from heat
sources such as radiators, heat registers, stoves, or other
appliances (including amplifi ers) that produce heat.
Power Sources - The appliance should be connected to
a power supply only of the type described in the operating
instructions or as marked on the appliance.
Grounding or Polarization - Precautions should be taken
so that the grounding or polarization means of an appliance
is not defeated.
✔
DO ensure that all instructions have been followed before power is applied to system.
✔
DO use only M&S systems brand cable as called out in these instructions. The cable
is designed and constructed with electrical specifi cations necessary for proper audio
performance.
✔
DO NOT power up master until all speakers and the amplifi er are connected.
✔
DO NOT splice cables. Splices are unreliable and defeat the signal isolation
properties of the cable.
✔
DO NOT coil or bundle the cables. This can cause electronic feedback.
INTRODUCTION

SAFETY INSTRUCTIONS

Power Lines - An outdoor antenna should be located
away from power lines.
Outdoor Antenna Grounding - If an outside antenna is
connected to the receiver, be sure the antenna system is
grounded so as to provide some protection against voltage
surges and built up static charges. Section 810 of the
National Electrical Code, ANSI/NFPA No. 70 1984, provides
information with respect to proper grounding of the mast
and supporting structure, grounding of the lead in wire to
an antenna discharge unit, size of grounding conductors,
location of antenna discharge unit, connection to grounding
electrodes, and requirements for the grounding electrode
(see fi gure).
Object and Liquid Entry - Never push objects of any
kind into this product through openings as they may touch
dangerous voltage points or short out parts that could
result in a fi re or electric shock. Never spill liquid of any
kind on the product.
IMPORTANT DO'S & DON'TS
The lightning fl ash with arrowhead symbol within an
equilateral triangle is intended to alert the user to the
presence of un-insulated "dangerous voltage" within the
product's enclosure that may be of suffi cient magnitude to
constitute a risk of electric shock to persons.
Servicing - The user should not attempt to service
the appliance beyond that described in the operating
instructions. All other servicing should be referred to
qualifi ed service personnel.
Damage Requiring Service - The appliance should be
serviced by qualifi ed service personnel when:
■ The power supply cord or the plug has been
■ Objects have fallen, or liquid has been spilled
■ The appliance has been exposed to rain; or the
■ The appliance has been dropped, or the
■ When the product exhibits a distinct change in
Replacement Parts - When replacement parts are
required, be sure the service technician has used
replacement parts specifi ed by the manufacturer or have
the same characteristics as the original part. Unauthorized
substitutions may result in fi re, electric shock, or other
hazards.
Safety Check - Upon completion of any service or repairs
to this product, ask the service technician to perform safety
checks to determine that the product is in proper operating
condition.
Wall or Ceiling Mounting - The product should be
mounted to a wall or ceiling only as recommended by the
manufacturer.
✔
DO NOT connect extra cables to the amplifi er. If extra cables have been run for
possible future speaker additions, care must be taken that these cables do not get
connected. Un-terminated cables may damage the master or amplifi er.
✔
DO NOT over-tighten the screws for the volume controls, speakers, intercom master,
or the amplifi er to prevent cracking.
✔
DO NOT install any amplifi er or speaker cables inside the 120 VAC J-box.
✔
DO NOT install the amplifi er in a generator room.
damaged; or
into the appliance; or
appliance does not appear to operate normally
or exhibits a marked change in performance; or
enclosure damaged.
performance - this indicates a need for service.
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