975-0390-01-01
3
Introduction
Over-temp Alarm and Shutdown
During inverter mode, the
Freedom HF automatically alerts you if it is overheating and
approaching the over-temperature shutdown limit.
The Freedom HF automatically shuts down when the limit is
exceeded.
Low Power Consumption
When the Freedom HF is inverting
without a load, it draws less than 1 amp of current from the battery
(or battery bank).
This feature allows the unit to operate without draining too much
stored energy.
Battery-friendly Charging
For the inverter to perform
effectively, the batteries must be charged correctly. The Freedom
HF has a built-in three-stage charging system that extends the life
and optimizes the performance of the batteries.
In addition to the numerous features which let you maximize your
battery’s life and performance, the Freedom HF—unlike many
chargers—also has the ability to recharge a near-zero
a
voltage
battery and an ignition-switched 20-amp auxiliary 12-volt power
source
b
.
Selectable Low Battery Shutdown
The low battery shutdown
for the inverter can be manually selected by the user by choosing a
low, middle, or high setting. The low setting default for low battery
shutdown is 10.5 volts except Freedom HF 1500 (PN: 806-1544).
Ignition Control
The Freedom HF features the ability to inhibit
the inverter from operating in the absence of a voltage signal from a
vehicle's ignition circuit. This is particularly useful if the inverter is
required to operate only when a vehicle's engine is running.
a.Near-zero or dead batteries can be recharged. However, some batteries which have
been left uncharged for days can become severely damaged thus, recharging is futile.
b.Available on the Freedom HF 1055 EMS model and Freedom HF 1800 EMS model.
The inverter/charger features a 20-amp fused and switched output voltage supplied
from the inverter/charger's positive terminal. When connected to a vehicle's ignition
signal, a switched positive voltage is available to power auxiliary circuits that are re-
quired to operate only when the vehicle is operational.
Model
PN
Shutdown Settings (V)
Low
Mid
High
Freedom HF 1000
806-1020
10.5
n/a
11.8
Freedom HF 1055
806-1054
10.5
n/a
11.8
806-1054-01
10.5
n/a
11.8
806-1055
10.5
n/a
11.8
Freedom HF 1055 EMS 806-1055-02
10.5
n/a
11.8
Freedom HF 1500
806-1544
12.1
12.1
12.1
Freedom HF 1800
806-1840
10.5
n/a
11.8
Freedom HF 1800 T
806-1840-01,
806-1840-03,
806-1840-04
10.5
11.8
12.1
Freedom HF 1800 T
806-1840-01 G2
TDN8853
10.5
n/a
11.8
Freedom HF 1800 EMS 806-1840-02
10.5
n/a
11.8
Table 1
Shutdown Settings
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