AIRCRAFT
DA 42 NG AMM
Heating and Ventilation
Doc # 7.02.15
Rev. 4
21-50-00
Page 209
15 Mar 2018
4. Remove/Install Parts of the Refrigerant Circuit
Note:
The refrigerant vapor cooling system is a hermetically sealed and
pressurized circuit and contains the refrigerant R134a.
WARNING:
ALL MAINTENANCE AND REPLENISHMENT WHICH REQUIRES TO
OPEN AND DEPRESSURIZE THE REFRIGERANT CIRCUIT MUST BE
CARRIED OUT BY AUTHORIZED PERSONNEL ACCORDING TO
NATIONAL AND INTERNATIONAL REGULATIONS FOR REFRIGERANT
SYSTEMS.
Before you do any maintenance on parts of the refrigerant circuit you must remove the central unit from
the airplane. Refer to Paragraph 1.
Make sure to obey the regulations for handling the refrigerant.
A. Discharge/Charge the Refrigerant Circuit
(1) Equipment
One of the following automated discharge and charging stations or equivalent must be used:
Item
Quantity
Part Number
Silco CS 199.
1
Commercial.
Silco CS 195.
1
Commercial.
Silco CS 150.
1
Commercial.
(2) Discharge the Refrigerant Circuit
Detail Steps/Work Items
Key Items/References
(1)
Remove the central unit from the airplane.
Refer to Paragraph 1.
(2)
Connect the RACC system to the discharge /
charging station.
Follow the instructions of the
discharge/charging station.
(3)
Discharge the refrigerant.
Follow the instructions of the
discharge/charging station.
(4)
Print the protocol of the discharge/charging station
and add it to the RACC system documentation.
Follow the instructions of the
discharge/charging station.
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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