ADT Unimode 400 Multi-Net - Voice Alarm Equipment; Installing the CPU

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1-4 Unimode 400 Installation PN 50710:A 10/22/97
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This section contains electrical specifications for the control panel.
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Table 1-2 AC Power
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Table 1-3 contains specifications for batteries that can be used with the control panel:
Table 1-3 Battery Specifications
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Table 1-4 contains specifications for an SLC:
Table 1-4 SLC Specifications
Component Values
MPS-400 120 VAC, 50/60 Hz, 3.0 A; or
240 VAC, 50/60 Hz, 1.5 A
AVPS-24 120 VAC, 1.0 A each
AA-30 120 VAC, 1.0 A each
AA-100/AA120 120 VAC, 50/60 Hz, 1.85 A each
Wire size Minimum 14 AWG with 600 VAC insulation
Battery Charger
(MPS-400)
Dual Rate: High Charge
Normal Flat Charge
Charging Current
29.1 VDC
27.6 VDC
2.0 A maximum
1.5 A typical
Maximum Battery
Capacity
(MPS-400)
55 AH (Batteries larger than
25 AH requires BB-55 or
other UL-listed battery
cabinet.)
ADT-CAB-400AA
ADT-CAB-A3 through
ADT-CAB-D3
12 AH (17 AH with BB-17)
25 AH (55 AH with BB-55)
Item Value
Voltage 24 VDC nominal, 27.6 VDC maximum
Maximum length 10,000 ft. per channel (NFPA Style 4) or 10,000 ft. total
loop length (NFPA Style 6 and 7)
Maximum loop current 250 mA (maximum short circuit) or 100 mA (normal)
Maximum loop resistance 40 ohms (supervised and power-limited)