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THIS ELECTRONIC DOCUMENT MAY HAVE BEEN SUPERCEDED.
THE MOST CURRENT DOCUMENT INFORMATION IS AVAILABLE
FROM YOUR BELL HELICOPTER TEXTRON REPRESENTATIVE.
PRODUCT DATA
JANUARY 2003
.
The nominal heating capacity of the ECU is 37,500 BTUs per hour. In it's cooling mode
the ECU capacity is 16,000 BTUs per hour for standard HOT / WET day conditions
(39°C[103°F] with 130 grains of H
2
O / LB of dry air).
Four "push on-push off" buttons and a temperature increase / decrease knob are located
on the overhead console. The ECS button activates the system, directing bleed air
from both engines to the conditioning unit. The TEMP CONT knob controls the mode
(HEAT / COOL) of operation and sets the desired cabin temperature. The DISTR SYS
(distribution system) button controls the diverter valves which direct air to the upper
or lower outlets. The PASS DOOR OUTLETS button is selected when maximum
defogging is required. The ECU FLOW button acts to provide either the maximum
(NORM) or a reduced (ECON) bleed air supply from the engines. The ECON position
may be selected after the cabin temperature has stabilized or when a lower volume of
conditioned air is desired. The ECS system automatically shuts off when only one
e n g i n e i s o p e r a t i n g t o p r e c l u d e a p o w e r d r a i n o n t h e o p e r a t i v e e n g i n e .
Operating procedures and limitations are found in the FAA approved Flight Manual
Supplement BHT-430-FMS-4. The total weight increase withe the ECS system installed
is 44.7 kilograms (98.6 pounds).
ECU AIR RETURN IN AFT CABIN
ECU EQUIPMENT
[UNDER BAGGAGE COMPARTMENT FLOOR]
Summary of Contents for BELL 430
Page 1: ...Product Data ...
