User's Manual

SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
eNfusion® HSD-440 Mark 2 Terminal
23-15-30 1-6
3 JUN 10
Power consumption Maximum: 460 W
NOTE: Of this power consumption, 400 W is dissipated
internally and 60
W of RF power is dissipated
externally.
Frequency Minimum: 360 Hz
Typical: 400 Hz
Maximum: 800 Hz
Power Factor Leading: >0.77
Lagging: >0.62
HSD-440 Mark 2 Terminal DC input power
Voltage Minimum: 22 V dc for startup, 20.5 V dc for operation
Typical: 28 V dc
Maximum: 33.2 V dc
Power consumption Maximum: 460 W
NOTE: Of this power consumption, 400 W is dissipated
internally and 60
W of RF power is dissipated
externally.
Power requirements
AC 115 V ac, 400 Hz nominal, @ 4 A (460 W maximum)
DC + 28 V dc @ 15.5 A (460 W maximum)
Wire gauge DC power: 12 AWG
AC power: 20 AWG (hot lead), 12 AWG (cold lead)
Signals: Unless otherwise specified, use 22 AWG for all
signal wires
Ground requirements ARINC 741
Circuit breakers Install circuit breakers according to the maintenance
requirements of the aircraft.
Heating and cooling requirements
Cooling air As per ARINC 600 Section 3.5.1.6 (220 kg/(kWhr)
Flow rate 88 kg/hr (194 lbs/hr) at air temperature 40ºC
Pressure drop 5 ± 3 mm (0.20 ± 0.12 in.) of H
2
O
Frequency band Tx: 1626.5 to 1660.5 MHz
Rx: 1525.0 to 1559.0 MHz
Receive input impedance 50 ohms
Transmit output impedance 50 ohms
Transmit VSWR 2:1 maximum
External interfaces
External parameters
Table 1-1 HSD-440 Mark 2 Terminal Characteristics and Specifications (Continued)
Characteristic Specification