Page 1
TM5-4120-384-14
TECHNICAL MANUAL
OPERATOR’S, ORGANIZATIONAL, DIRECT SUPPORT,
AND GENERAL SUPPORT MAINTENANCE MANUAL
CHAPTER /
APPENDIX
AIR CONDITIONER
HORIZONTAL COMPACT
18,0O0 BTU/HR
208 VOLT, 3 PHASE,
50/60 HERTZ
MODEL F18H-3S
(4120-01-165-1125)
This copy is a reprint which includes current
pages from Changes 1 through 4.
HEADQUARTERS, DEPARTMENT OF THE ARMY
27
MAY
1985
Page 2
TM5-4120-384-14
TECHNICAL MANUAL
HEADQUARTERS
DEPARTMENT OF THE ARMY
NO.
5-4120-384-14
WASHINGTON, D.C.,
27 May 1985
Operator’s, Organizational, Direct Support
and General Support Maintenance Manual
AIR CONDITIONER, HORIZONTAL, COMPACT,
18,000 BTU/HR
208 VOLTS, 3 PHASE, 50/60 HERTZ
MODEL F18H-3S (4120-01-165-1125), MODEL F18H-3SA (4120-01-237-4663)
MODEL F18H-3SB (4120-01-268-4451)
AND
230 VOLTS,
SINGLE PHASE 60 HERTZ
MODEL F18H-1S (4120-01-268-4450)
REPORTING ERRORS AND RECOMMEND IMPROVEMENTS
You can help improve this manual.
If you find any mistakes
or if you know of a way to improve the procedures, please
let us know.
Mail your letter,
DA Form 2028 (Recommended
Changes to Publications and Blank Forms) or DA Form 2028-2
located in the back of this manual direct to: Commander,
U.S. Army Troop Support Command, Attention:
AMSTR-MCTS,
4300 Goodfellow Boulevard, St. Louis, Missouri 63120-1798.
A reply will be furnished to you.
CHAPTER 1
INTROUCUTION
TABLE OF CONTENTS
Page
. . . . . . . . . . . . . . . . . . . . . . . 1-1
Section I
General Information . . . . . . . . . . . . . . . . . . . . .
1-1
Section II
Equipment Description . . . . . . . . . . . . . . . . . . .
1-2
Section III
Technical Principles of Operation . . . . . . . 1-9
CHAPTER 2 OPERATING INSTROUCTIONS
. . . . . . . . . . . . . . . . .
Section I
Description and Use of Operator’s
Controls and Indicators . . . . . . . . . . . . . . . . .
Section II
Preventive Maintenance Checks and
Services (PMCS) . . . . . . . . . . . . . . . . . . . . . . . . .
Section III
Operation Under Usual Conditions . . . . . . . .
Section IV
Operation Under Unusual Conditions . . . . . .
CHAPTER 3 OPERATOR'S MAINTENANCE INSTRUCTIONS
Section I
Lubrication Instructions . . . . . . . . . . . . . . . .
Section II
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . .
2-1
2-1
2-6
2-9
2-15
3-1
3-1
3-1
Change 2
i
Page 3
TM5-4120-384-14
TABLE OF CONTENTS - Continued
Page
CHAPTER
4
ORGANIZATIONAL MAINTENANCE
INSTRUCTIONS
. . . . . . . . . . . . .
Section I
Repair Parts, Special Tools, TMDE, and
Support Equipment . . . . . . . . . . . . . . . . . . . . . . .
Section II
Service Upon Receipt of Equipment . . . . . . .
Section III
Preventive Maintenance Checks and
Services (PMCS) . . . . . . . . . . . . . . . . . . . . . . . . .
Section IV
Troubleshooting
. . . . . . . . . . . . . . . . . . . . . . . . .
Section V
Maintenance Procedures . . . . . . . . . . . . . . . . . .
Section VI
Preparation for Storage or Shipment . . . . .
CHAPTER 5
DIRECT SUPPORT MAINTENANCE
INSTRUCTIONS
. . . . . . . . . . . . .
Section I
Repair Parts, Special T
OOls, TMDE, and
Support Equipment . . . . . . . . . . . . . . . . . . . . . . .
Section II
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . .
Section III
Maintenance Procedures . . . . . . . . . . . . . . . . . .
CHAPTER
6
GENERAL SUPPORT MAINTENANCE
INSTRUCTIONS
. . . . . . . . . . . .
Section I
Repair Parts, Special Tools, TMDE, and
Support Equipment . . . . . . . . . . . . . . . . . . . . . . .
Section II
Authorized General Support Maintenance
Actions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
APPENDIX A. REFERENCES
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
APPENDIX B. MAINTENANCE ALLOCATOIN CHART
. . . . . . . . . . .
Section I
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Section II
Maintenance Allocation Chart . . . . . . . . . . . .
Section III
Tool and Test Equipment Requirements . . . .
Section IV
Remarks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
APPENDIX C. COMPONENTS OF END ITEM AND
BASIC ISSUE ITEN LISTS
. . . . . . . . . . . . .
Section I
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Section II
Components of End Item . . . . . . . . . . . . . . . . . .
Section III
Basic Issue Items . . . . . . . . . . . . . . . . . . . . . . .
APPENDIX. D. ADDITIONAL AUTHORIZATION LIST
. . . . . . . . . .
Section I
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Section II
Additional Authorization List . . . . . . . . . . .
4-1
4-2
4-3
4-20
4-28
4-37
4-119
5-1
5-2
5-3
5-12
6-1
6-1
6-1
A-1
B-1
B-1
B-5
B-11
B-12
C-1
C-1
C-3
C-4
D-1
D-1
D-1
ii
Page 4
TABLE OF CONTENTS - Continued
TM 5-4120-384-14
Page
APPENDIX
E.
EXPENDABLE SUPPLIES AND
MATERIALS LIST
Section I
Section II
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Expendable Supplies and Materials
List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
GLOSSARY
INDEX
LIST OF ILLUSTRATIONS
Figure
1-1
1-2
Air Conditioner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Location of Major Components . . . . . . . . . . . . . . . . . . . .
Title
1-2.1 Electromagnetic Pulse (EMP) Kit Parts
1-3
Refrigeration Schematic . . . . . . . . . . . . . . . . . . . . . . . . . .
2-1 Operator’s Controls and Indicators . . . . . . . . . . . . .
2-2
2-3
Operator’s Controls and Indicators . . . . . . . . . . . . .
Instruction Plates, Stencil
Marking Information and Locations . . . . . . . . . . . . . .
4-1
4-2
Installation Dimensions
Wiring Connection Changes for
. . . . . . . . . . . . . . . . . . . . . . . . . .
J1/J11 Power Input Connector . . . . . . . . . . . . . . . . . . . . .
4-3 Control Module Removal . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-4
Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-4.1 Air Conditioner Schematic Model F18H-3SA . . . . . . .
4-5
4-6
4-7
4-8
4-9
4-10
4-11
4-12
4-13
4-14
4-15
4-16
4-17
Typical Through the Wall Installation
Location of PMCS Items
Fabric Cover
Top Covers
Rear Screens
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . .
Return Air Louver and Air Filter . . . . . . . . . . . . . . .
Supply Air Louver
Mist Eliminator
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Condenser Air Discharge Louver
and Linkage
Fresh Air Damper and Actuator
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . .
Condensate Drain Lines . . . . . . . . . . . . . . . . . . . . . . . . . . .
Control Module Removal
. . . . . . . . . . . . . . . . . . . . . . . . . . .
Control Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . .
. . . . . . . . .
. . . . . . .
E-1
E-1
E-2
Glossary-1
Index-1
Page
1-0
1-4
1-8.2
1-10
2-3
2-4
2-14
4-4
4-10
4-11
4-13
4-16.9
4-17
4-21
4-37
4-39
4-42
4-43
4-45
4-47
4-50
4-53
4-57
4-63
4-65
Change
5
iii
Page 5
TM 5-4120-384-14
LIST OF ILLUSTRATIONS
Figure
Title
4-18
TEMPERATURE SELECTOR (Control
Switch Thermostat) S3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-19
MODE SELECTOR Switch S1 . . . . . . . . . . . . . . . . . . . . . . . . . .
4-20 COMPR CIRCUIT BKR (Compressor
Circuit Breaker) CB1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-21
Control Module Wiring Harness . . . . . . . . . . . . . . . . . . .
4-22
Junction Box
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-23
Junction Box Wiring Harness
. . . . . . . . . . . . . . . . . . . . .
4-24 Relays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-25
CONTROL CIRCUIT BREAKER CB2 . . . . . . . . . . . . . . . . . . . . .
4-26 Miscellaneous Cables, Harnesses,
and Terminal Boards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-27 Transformer and Rectifier . . . . . . . . . . . . . . . . . . . . . . . .
4-27.1 Capacitors and Relay, Model F18H–1S only
. . . . . .
4-28
Evaporator Fan, Motor and Housing
. . . . . . . . . . . . . .
4-29
Heater Thermostat . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-30 Heater Elements . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-31
Condenser Fan, Motor and Housing
. . . . . . . . . . . . . . .
4-32 Evaporator Coil . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . .
4-33 Solenoid Valve Coil Removal . . . . . . . . . . . . . . . . . . . . .
4-34
Jumper Across LPCO Switch
. . . . . . . . . . . . . . . . . . . . . . . .
4-35
Condenser Coil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-36 Connectors (Installation)
. . . . . . . . . . . . . . . . . . . . . . . .
4-37 Installation Hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-1
Motor Assembly, Custom Motor Design,
Model 184-01–0412
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-1.1 Motor Assembly, Keco Industries, Inc.,
Model 113K0001
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-2
Motor Assembly, Welco,
Model M–4720-50
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-3 Motor Assembly, Custom Motor Design,
Model 700–01–0602 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-3.1 Motor Assembly, Keco Industries, Inc.,
Model 113K0000
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-4
Discharging Refrigerant
. . . . . . . . . . . . . . . . . . . . . . . . . .
5-5
Nitrogen Tank Connection . . . .
. . . . . . . . . . . . . . . . . . . . .
5-6
Evacuation of Refrigerant System . . . . . . . . . . . . . . .
5-7
Refrigerant Charging
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-8
Evaporator Coil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-9
Fluid Flow Restrictor . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-10
Expansion Valve (Primary)
. . . . . . . . . . . . . . . . . . . . . . . .
5-11
Expansion Valve (Quench) . . . . . . . . . . . . . . . . . . . . . . . . .
5-12
Solenoid Valves . . . . . . . . . . . . . . . . . . . . . . . . . .
5-13
Pressure Regulator.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-14
Actuating Cylinder
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Page
4-67
4-69
4-72
4-74
4-77
4-79
4-80
4-84
4-86
4-88
4-90.2
4-92
4-96
4-99
4-102
4-107
4-109
4-112
4-114
4-116
4-118
5-16
5-18
5-19
5-21
5-22.1
5-24
5-26
5-33
5-35
5-43
5-46
5-49
5-51
5-54
5-56
5-58
iv
Change 2
Page 6
TM 5-4120-384-14
LIST OF ILLUSTRATIONS
Figure
Title
5-15
5-16
5-17
5-18
5-19
5-20
5-21
5-22
Table
2-1
2-2
3-1
4-1
4-2
4-3
5-1
5-2
5-3
Pressure Switches
. . . . . . . . . . . . . . . . . . . . . . . . . . .
Service (Charging) Valves
. . . . . . . . . . . . . . . . . . .
Pressure Relief Valve
. . . . . . . . . . . . . . . . . . . . . . . . . .
Condenser Coil
. . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . .
Dehydrator (Filter/Drier) . . . . . . .
. . . . . . . . . . . .
. . . . .
Liquid Indicator
. . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . .
Compressor . . . . . .
. . . . . . . . . . .
. . . . . . . . . . . . .
. . . .
. . . . . . . .
Refrigerant Flow System with
Dehydrator and Compressor Removed . .
. . . . . . .
. . . . .
LIST OF TABLES
Title
Operator Preventive Maintenance
Checks and Services. . . . . . . . . . . . . . . . . . . . .
Initial Operator Control Settings . . . . . . .
Operator Troubleshooting . . . . . . . . . . . . . . . .
Organizational Preventive Maintenance
Checks and Services (PMCS) . . . . . . . . . . . . . .
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . .
Wire List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . .
Pressure-Temperature Relationship
of Saturated Refrigerant-22 . . . . . . . . . . . . .
Normal Operating Pressures . . . . . . . . . . . . . .
Page
5-60
5-63
5-65
5-67
5-70
5-72
5-74
5-79
Page
2-7
2-13
3-2
4-22
4-29
4-59
5-4
5-41
5-42
v
Page 7
TM 5-4120-384-14
Figure 1-1.
Air Conditioner
1-0
Change 2
Page 8
TM5-4120-384-14
CHAPTER 1
INTRODUCTION
Section/Paragraph
General Information . . . . . . . . . . . . . . . . . . . . . . . . . .
Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Maintenance Forms and Records . . . . . . . . . . . . . .
Hand Receipt Manual.. . . . . . . . . . . . . . . . . . . . . .
Reporting Equipment Improvement
Recommendations (EIRs) . . . . . . . . . . . . . . . . . . . . .
Equipment Description.. . . . . . . . . . . . . . . . . . . . . . .
Equipment Characteristics, Capabilities,
and Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Location and Description of Major
Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Differences Between Models . . . . . . . . . . . . . . . .
Equipment Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Technical Principles of Operation . . . . . . . . . . . .
Refrigeration Cycle. . . . . . . . . . . . . . . . . . . . . . . .
Heating . . ..... . ..... . . . . . . . . . .... . ...
I
1-1
1-2
1-3
1-4
II
1-5
1-6
1-6.1
1-7
III
1-8
1-9
Section I
GENERAL INFORMATION
1-1. SCOPE.
a.
Type of Manual.
Operator’s,
Organizational, Direct Support,
and General Support Maintenance Manual.
b. Model Number and Equipment Name.
Keco Models F18H-3S,
F18H-3SA, and F18H-3SB Horizontal, Compact, 18,000 BTU/HR, 208
Volt, 3 Phase, 50/60 Hertz, Air Conditioners and Keco Model F18H-1S
Horizontal, Compact,
18,000 BTU/HR, 230 Volt, Single Phase, 60
Hertz, Air Conditioner.
c. Purpose of Equipment.
Cools and heats enclosed space
(shelter). The unit covered by this manual is designed for cooling
and heating air to a desired predetermined range and circulating
the conditioned air to provide heating
personnel within the conditioned area.
and cooling of equipment or
1-2. MAINTENANCE FORMS AND RECORDS.
Department of the Army forms and procedures used for equipment
maintenance will be those prescribed by DA Pamphlet 738-750, The
Army Maintenance Management System (TAMMS).
Change 2
1-1
Page 9
TM5-4120-384-14
1-3. HAND RECEIPT MANUAL.
This manual has a companion document with a TM number followed by
“-HR” (which stands for Hand Receipt).
The TM5-4120-384-14-HR
consists of preprinted hand receipts (DA Form 2062) that list end
item related equipment (i.e., COEI, BII,
and AAL) you must account
for.
As an aid to property accountability, additional -HR manuals
may be requisitioned from the following source in accordance with
procedures in Chapter 3, AR 310-2:
The U.S. Army Adjutant General Publications Center
2800 Eastern Boulevard
Baltimore, MD 21220.
1-4. REPORTING EQUIPMENT IMPROVEMENT RECOMMENDATIONS (EIR8).
If your Air Conditioner needs improvement, let us know.
Send us an
EIR.
You, the user, are the only one who can tell us what you
don’t like about your equipment. Let us know why you don’t like
the design or performance.
Tell us why a procedure is hard to
perform.
Put it on a SF 368 (Quality Deficiency Report). Mail it
to us at:
Commander, U.S. Army Troop Support Command
Attention: AMSTR-QX
4300 Goodfellow Boulevard
St. Louis, Missouri 63120-1798.
We will send you a reply.
Section II
EQUIPMENT
DESCRIPTION
1-5. EQUIPMENT CHARACTERISTICS, CAPABILITIES, AND FEATURES.
a. The air conditioner is designed to circulate, filter, and
cool or heat air in the room or enclosure in which it is installed.
b.
This air conditioner has a capability of providing a maximum
of 18,000 BTU/HR of cooling or 14,300 BTU/HR of heating.
It is
designed to automatically maintain the air in the room or enclosure
at the desired temperature selected on the control panel.
c.
The unit is self-contained in a single cabinet that is
ideally suited for van or shelter type installations.
The only
external requirements are an external input power source, a
1-2
Change 2
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