Page 6 CONNECTING THE SPEAKER UNITS
CONNECTING THE SPEAKER UNITS
Helpy Compact comes with a built-in speaker unit.
It is also possible to connect to the Helpy Compact up to 2 passive speaker
units, amplified passive speaker units or cables with microphone.
Passive speaker units or cables with microphone can be installed on top and
bottom of elevator car. A amplified passive speaker unit must be installed in the
pit when required.
Make the connections as shown in the table below:
TERMINAL BLOCKS
HELPY COMPACT
TERMINAL BLOCKS
MAX.
DISTANCE
PASSIVE
SPEAKER
UNIT
A ALT2
6 m
(with shielded cable)
B MIC2 or MIC3
– –
AMPLIFIED
PASSIVE
SPEAKER UNIT
A ALT3
50 m
B MIC2 AMP or MIC3 AMP
– –
CABLE WITH
MICROPHONE
red wire MIC2 or MIC3
cable length
(3 m)
white wire
–
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