HS-3644 Installation and Operating Manual
6
The HS-3100/3200 Control Unit is connected to the HS-3644 Annunciator by four (4) wires, two (2)
for communications and two (2) for power. The communications wiring is polarity sensitive. Refer
to the following diagram:
AUX
POWER
MR-2100 / 2200
MR-2644
ANN
TXD
RXD
RX
TX
Figure 6: HS-3644 connected to HS-3100/3200
FACP, using HS-3100/3200 Aux Power
HS-3100/3200
HS-3644
AUX
POWER
EXTERNAL
POWER SUPPLY
(SEE NOTE)
ANN
NOTE: POWER SUPPLY MUST BE A UL LISTED, 24VDC,
REGULATED, POWER LIMITED POWER SUPPLY FOR
FIRE PROTECTIVE SIGNALING CIRCUITS.
TXD
RXD
RX
TX
MR-2100 / 2200
MR-2644
Figure 7: HS-3644 connected to HS-3100/3200 FACP, using external Power Supply
HS-3100/3200
HS-3644
Summary of Contents for HS-3644
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Page 6: ...HS 3644 Installation and Operating Manual ii ...
Page 8: ...HS 3644 Installation and Operating Manual iv ...
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Page 24: ...Harrington Signal Inc 2519 4th Avenue Moline IL 61265 HARRINGTON FIRE ALARM SIGNAL INC ...