AirComm Corporation Airbus EC145 Cabin Air Conditioner Instructions for Continued Airworthiness User Manual

AIR CONDITIONER SERVICE MANUAL EC145-200M-1 
 
 
Revision 13  27 February, 2014 
 
 
 
 
 
 
AIR COMM CORPORATION 
1575 WEST 124TH AVENUE 
WESTMINSTER, CO 80234 
 
 
 
 
 
 
INSTRUCTIONS FOR CONTINUED AIRWORTHINESS 
EUROCOPTER 
MBB-BK117-C1 & MBB-BK117-C2 (EC145) 
AIR CONDITIONING SYSTEM 
 
 
 
  

AIR CONDITIONER SERVICE MANUAL EC145-200M-1 
 
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AIR CONDITIONER SERVICE MANUAL EC145-200M-1 
RECORD OF REVISIONS 
Rev Date Description of Chan!!)e Approval 
1 10-5-2006 Aft Evaporator Motor part number change NIA 
Prepared by GP 
2 11-14-2006 Condenser mounting change & aft evap. TBO NIA 
change Prepared by GP 
3 5-29-2007 New forward evaporator blower motor added. N/A 
Prepared by GP 
4 6-22-2007 New HilLo pressure switch & condenser blower N/A 
motors. Weight & Balance revised. Prepared by GP 
5 10-16-2007 EC135-8000-1 Control Panel Assy. Changed to...

AIR CONDITIONER SERVICE MANUAL EC145-200M-1 
 
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AIR CONDITIONER SERVICE MANUAL EC145-200M-1 
 
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TABLE OF CONTENTS 
 
Identification   Title                  Page 
CHAPTER 0    INTRODUCTION              
   1. Scope         1 
      2. Purpose                1 
   3. Arrangement        1 
   4. Applicability        1 
      5. Definitions                1 
   6. Abbreviations        2 
   7. Precautions        2 
   8. Units of Measurement       3 
   9. Information Essential to the Continued Airworthiness    3 
       of the Air...

AIR CONDITIONER SERVICE MANUAL EC145-200M-1 
 
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TABLE OF CONTENTS 
(Continued) 
 
CHAPTER 6    STANDARD PRACTICES INFORMATION (CONTINUED) 
                        Page 
4.  Removal, Installation / Replacement of         28 
Compressor Assembly. 
   Page left blank for future use 
5.  Removal, Installation / Replacement of        30 
Forward Evaporator Assembly 
Page left blank for future use          33 
6.  Removal, Installation / Replacement of        32 
Aft Evaporator Assembly...

AIR CONDITIONER SERVICE MANUAL EC145-200M-1 
 
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CHAPTER 0 
INTRODUCTION 
1.  SCOPE 
 
The scope of this manual encompasses the scheduled and unscheduled maintenance 
procedures for the continued airworthiness of the Air Comm Corporation air conditioning system 
installed in the Eurocopter MBB-BK117-C1 & MBB-BK117-C2 (EC145) series helicopter. 
 
2.  PURPOSE 
 
The purpose of this manual is to provide the aircraft mechanic in the field the necessary 
information to maintain the air...

AIR CONDITIONER SERVICE MANUAL EC145-200M-1 
 
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CHAPTER 0 
INTRODUCTION (continued) 
5.   DEFINITIONS (continued) 
 
Pressure, ambient: The pressure of the air surrounding a body, normally measured in Pounds 
Per Square inch, or PSIG. 
 
Refrigerant: A fluid which is used in an air conditioning system to absorb heat from the cabin 
and carry it outside the helicopter where it can be transferred to the outside air. 
 
Relative humidity: The ratio of the amount of water vapor in the...

AIR CONDITIONER SERVICE MANUAL EC145-200M-1 
 
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CHAPTER 0 
INTRODUCTION (continued) 
 
8.  UNITS OF MEASUREMENT 
All measurements contained within this manual are given in the United States standard 
measurement, followed by the metric conversion in parentheses.  
 
 
9.  INFORMATION ESSENTIAL TO THE CONTINUED AIRWORTHINESS OF THE AIR 
CONDITIONER. 
 
This manual provides information which is required for operation and maintenance of the Air 
Comm air conditioning system installed in...

AIR CONDITIONER SERVICE MANUAL EC145-200M-1 
 
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CHAPTER 0 
INTRODUCTION (continued) 
 
13. AIR CONDITIONER FEATURES (continued) 
 
This system can be operated in either the Air Condition (A/C), or Fan mode. In the A/C mode, 
conditioned air is provided by the forward and aft evaporators to the cockpit and main cabin areas 
respectively. In the Fan mode, the evaporator blowers are used to circulate cabin air, while the 
compressor clutch remains disengaged. When using the cabin heater...