AIRCRAFT
Heating and Ventilation
DA 42 NG AMM
Page 208
15 Mar 2018
21-51-00
Doc # 7.02.15
Rev. 4
3. RACC - System Test Procedure
Detail Steps/Work Items
Key Items/References
(1)
Perform an engine ground test.
Refer to Section 71-00.
(2)
Set the engine to 1000 to 1200 RPM.
The test procedure may be alternatively
performed with power supplied by
engine or GPU.
(3)
Set the AUX POWER switch to ON.
The Power Status LED on the RACC
control panel must flash.
(4)
Push the ON/OFF button on the RACC control
panel once to switch the RACC system ON.
The preset temperature display on the
RACC control panel must illuminate.
(5)
Push the Preset Temperature DOWN button
until the preset temperature shows ‘LO’ and
switch the cabin fan speed to the highest stage
(“3") .
(6)
Verify that the cabin air temperature at outlet is
significantly lower than the outside air
temperature. Perform test at ambient
temperature of 20 - 30°C and relative humidity of
20 - 90 %. The cabin air temperature at outlet
must be 8 - 15°C less than the ambient
temperature.
(7)
Set the cabin air preset temperature to a
convenient temperature level.
Use the preset temperature UP and
DOWN buttons on the control panel.
(8)
Push the ON/OFF button on the RACC control
panel for approximately 1 second to switch the
RACC system to OFF.
(9)
Set the AUX POWER switch to OFF.
Summary of Contents for DA 42 NG
Page 933: ...AIRCRAFT DA 42 NG AMM Fuel Doc 7 02 15 Rev 4 28 TITLE Page 1 15 Mar 2018 CHAPTER 28 FUEL ...
Page 1459: ...AIRCRAFT DA 42 NG AMM Lights Doc 7 02 15 Rev 4 33 TITLE Page 1 15 Mar 2018 CHAPTER 33 LIGHTS ...
Page 1711: ...AIRCRAFT DA 42 NG AMM Doors Doc 7 02 15 Rev 4 52 TITLE Page 1 15 Mar 2018 CHAPTER 52 DOORS ...
Page 1853: ...AIRCRAFT DA 42 NG AMM Wings Doc 7 02 15 Rev 4 57 TITLE Page 1 15 Mar 2018 CHAPTER 57 WINGS ...
Page 2071: ...AIRCRAFT DA 42 NG AMM Engine Doc 7 02 15 Rev 4 72 TITLE Page 1 15 Mar 2018 CHAPTER 72 ENGINE ...
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