VANNER POWER GROUP - 4 - Power for EMS Vehicles
IFM1 INTERFACE MODULE
INVERTER SYSTEM REMOTE ACCESSORIES
Remote System On/Off Switch
This switch allows the AC Power System to be remote controlled
and normally would be installed near the Remote Power
Inverter Panel. This On/Off switch controls the power inverter
only. In the
20-1050CUL/CULW system
the battery charger/
conditioner will always be
On if shore/utility power in
present. The remote switch
is provided with an eight
foot (8') cable that connects
to the IFM1 Interface
Module.
Remote Power Inverter Panel
This remote panel contains
a green INVERTER LED
that shows when the
inverter is in Standby
(flashing) or On (steady). A
red FAULT LED shows a
problem such as Over
Temperature, Output
Overload or Low Battery. The panel has a sealed front overlay
and can be mounted on a flat surface with four screws. A 12"
wiring pigtail is provided to allow wiring to the IFM1 Interface
Module.
Remote Charger Indicator Panel
This remote panel contains a green CHARGING LED to show
when AC shore/utility power is present, charging and main-
taining the battery. A red FAULT LED shows the charger is
Off due to a problem such
as Over Temperature or
Overload. The panel has a
sealed front overlay and
can be mounted on a flat
surface with four screws.
A 12" wiring pigtail is
provided to permit wiring
to the IFM1 Interface
Module.
The 20-1050CUL/CULW and 20-1000TUL.2 AC Power Inverter
Systems support a variety of options designed to maximize the
vehicle’s electrical power capabilities. System options include a
remote shore power/charging status panel, a remote inverter
status panel, a remote system on/off switch, and the IFM1
interface module.
Interface Module
This Interface Module (Model IFM1) enables various remote
options to be connected to the 20-1050CUL/CULW, or
20-1000TUL.2 Power System. The IFM1 is supplied with a two
foot (2') data cable to connect it to the inverter system.
Electrical terminals on the IFM1 permit wiring to the two
remote status panels, remote on/off rocker switch, and to the
module disconnect switch for the inverter lockout control. The
IFM1 can be mounted conveniently near the 20-1050CUL/
CULW, or 20-1000TUL.2 unit.
In order to meet the Federal KKK-A-1822D ambulance
specification requirements it is necessary to add an inverter
lockout control. This control is provided by the IFM1 Interface
Module. The Inverter Lockout Control terminal on the IFM1 is
wired to the emergency vehicle's module disconnect switch load
side. This control interlock ensures that when the Module
Disconnect Switch is off, the 20-1050CUL/CULW or
20-1000TUL.2 cannot switch into the inverter mode, which
could discharge the vehicle’s battery. (See the 12 Volt Electrical
System - Functional Diagram, on page 5.)
Remote Switch Assembly—D06781
Inverter Status Panel—D06638
Charger Indicator Panel—D06639
(4 pages)
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