Fire-Lite MS-9050UDC Addressable Fire Alarm Control Panel - Manual (Page 14)

14 MS-9050 Series Manual — P/N 52413:G 4/14/2014
Product Description Specifications
1.2 Specifications
Refer to Illustration on page 10 for terminal locations and connections. For wire specifications,
refer to “Wire Requirements” on page 171.
AC Power - Transformer Connection
MS-9050UD: 120 VAC, 60 Hz, 3.0 amps
MS-9050UDE: 240 VAC, 50 Hz, 1.5 amps
Wire size: minimum 14 AWG (2.00 mm
2 ) with 600 V insulation
Nonpower-limited, supervised
Battery (Lead Acid Only) - J1
Maximum Charging Circuit: Normal Flat Charge - 27.4 VDC @ 4.3 amps peak inrush current
tapering to a maximum of 2.8 amps of continuous charging current.
Maximum Battery Charger Capacity: 18 Amp Hour, (FACP cabinet holds maximum of two 18
Amp Hour batteries)
For greater than 18 Amp Hour up to 120 Amp Hour batteries, use the CHG-75 or CHG-120F Bat-
tery Charger and BB-26 or BB-55F Battery Box, respectively.
Jumper JP30 on the FACP main circuit board, must be removed to disable the FACP battery char-
ger when using an external battery charger.
Minimum Battery: 7 Amp Hour
Nonpower-limited, supervised
SLC Communication Loop - TB2
24 VDC nominal, 27.6 VDC maximum
Maximum length is 10,000 ft. (3,000 m) total twisted, unshielded fire wire
Maximum loop current is 400 mA (short circuit) or 100 mA (normal)
Maximum loop resistance is 40 ohms
Supervised and power-limited circuit
Refer to SLC Loop manual for wiring information
Notification Appliance Circuits/Special Application (Auxiliary) Power - TB1
Terminal Block provides connections for up to two NACs, Style Y (Class B) or Style Z (Class A)
Special Application power
Power-limited, supervised circuitry
For wire specifications, refer to “NAC Wiring” on page 172.
Nominal operating voltage: 24 VDC
Current-limit: fuseless, electronic, power-limited circuitry
Maximum signaling current per circuit: 2.5 amps for NACs, 1.0 amp for auxiliary power and door
holders
End-of-Line Resistor: 4.7 K
, ½ watt (P/N 71252 UL listed) for Style Y (Class B) NAC
Refer to the Fire-Lite Device Compatibility Document for listed compatible devices
A circuit programmed for door holders or auxiliary power does not support notification appli-
ances.
Two Programmable Relays and One Fixed Trouble Relay - TB5, TB6 & TB7
Contact rating: 2.0 amps @ 30 VDC (resistive), 0.5 amps @ 30 VAC (resistive)
Form-C relays, nonpower-limited, nonsupervised
Refer to Figure 2.5 on page 29 for information on power-limited relay circuit wiring
EIA-232 - TB3
EIA-232 PC applications connections: Terminal 5 (Receive), 6 (Transmit), 7 (DTR), 8 (Ground)
Power-limited, supervised