HEADQUARTERS F18H-3S Manual de usuario

TECHNICAL MANUAL

TM5-4120-384-14

CHAPTER /

APPENDIX

OPERATOR’S, ORGANIZATIONAL, DIRECT SUPPORT,

AND GENERAL SUPPORT MAINTENANCE MANUAL

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

MAY

1985

TM5-4120-384-14

TECHNICAL MANUAL

HEADQUARTERS

DEPARTMENT OF THE ARMY

NO. 5-4120-384-14WASHINGTON, 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 IGeneral Information . . . . . . . . . . . . . . . . . . . . . 1-1

Section IIEquipment Description . . . . . . . . . . . . . . . . . . . 1-2

Section IIITechnical Principles of Operation . . . . . . .1-9

CHAPTER 2 OPERATING INSTROUCTIONS

. . . . . . . . . . . . . . . . .

Section IDescription and Use of Operator’s

Controls and Indicators . . . . . . . . . . . . . . . . .

Section IIPreventive Maintenance Checks and

Services (PMCS) . . . . . . . . . . . . . . . . . . . . . . . . .

Section IIIOperation Under Usual Conditions . . . . . . . .

Section IVOperation Under Unusual Conditions . . . . . .

CHAPTER 3 OPERATOR'S MAINTENANCE INSTRUCTIONS

Section ILubrication Instructions . . . . . . . . . . . . . . . .

Section IITroubleshooting . . . . . . . . . . . . . . . . . . . . . . . . .

2-1

2-6

2-9

2-15

3-1

Change 2 i

TM5-4120-384-14

TABLE OF CONTENTS - Continued

Page

CHAPTER

ORGANIZATIONAL MAINTENANCE

INSTRUCTIONS . . . . . . . . . . . . .

Section IRepair Parts, Special Tools, TMDE, and

Support Equipment . . . . . . . . . . . . . . . . . . . . . . .

Section IIService Upon Receipt of Equipment . . . . . . .

Section IIIPreventive Maintenance Checks and

Services (PMCS) . . . . . . . . . . . . . . . . . . . . . . . . .

Section IVTroubleshooting. . . . . . . . . . . . . . . . . . . . . . . . .

Section VMaintenance Procedures . . . . . . . . . . . . . . . . . .

Section VIPreparation for Storage or Shipment . . . . .

CHAPTER 5

DIRECT SUPPORT MAINTENANCE

INSTRUCTIONS

. . . . . . . . . . . . .

Section IRepair Parts, Special TOOls, TMDE, and

Support Equipment . . . . . . . . . . . . . . . . . . . . . . .

Section IITroubleshooting . . . . . . . . . . . . . . . . . . . . . . . . .

Section IIIMaintenance Procedures . . . . . . . . . . . . . . . . . .

CHAPTER

GENERAL SUPPORT MAINTENANCE

INSTRUCTIONS

. . . . . . . . . . . .

Section IRepair Parts, Special Tools, TMDE, and

Support Equipment . . . . . . . . . . . . . . . . . . . . . . .

Section IIAuthorized General Support Maintenance

Actions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

APPENDIX A. REFERENCES . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

APPENDIX B. MAINTENANCE ALLOCATOIN CHART . . . . . . . . . . .

Section IIntroduction . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Section IIMaintenance Allocation Chart . . . . . . . . . . . .

Section IIITool and Test Equipment Requirements . . . .

Section IVRemarks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

APPENDIX C. COMPONENTS OF END ITEM AND

BASIC ISSUE ITEN LISTS. . . . . . . . . . . . .

Section IIntroduction . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Section IIComponents of End Item . . . . . . . . . . . . . . . . . .

Section IIIBasic Issue Items . . . . . . . . . . . . . . . . . . . . . . .

APPENDIX. D. ADDITIONAL AUTHORIZATION LIST . . . . . . . . . .

Section IIntroduction . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Section IIAdditional 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

A-1

B-1

B-5

B-11

B-12

C-1

C-3

C-4

D-1

GLOSSARY

INDEX

TM 5-4120-384-14

TABLE OF CONTENTS - Continued

Page

APPENDIX

E.EXPENDABLE SUPPLIES AND

MATERIALS LIST

E-1

Section IIntroduction . . . . . . . . . . . . . . . . . . . . . . . . . . . .

E-1

Section IIExpendable Supplies and Materials

List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-2

Glossary-1

Index-1

LIST OF ILLUSTRATIONS

Figure Title

1-1Air Conditioner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1-2Location of Major Components . . . . . . . . . . . . . . . . . . . .

1-2.1 Electromagnetic Pulse (EMP) Kit Parts. . . . . . . . .

1-3Refrigeration Schematic . . . . . . . . . . . . . . . . . . . . . . . . . .

2-1Operator’s Controls and Indicators . . . . . . . . . . . . .

2-2Operator’s Controls and Indicators . . . . . . . . . . . . .

2-3Instruction Plates, Stencil

Marking Information and Locations . . . . . . . . . . . . . .

4-1Installation Dimensions. . . . . . . . . . . . . . . . . . . . . . . . . .

4-2Wiring Connection Changes for

J1/J11 Power Input Connector . . . . . . . . . . . . . . . . . . . . .

4-3Control Module Removal . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-4Wiring 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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

iii

TM 5-4120-384-14

LIST OF ILLUSTRATIONS

FigureTitle

4-18 TEMPERATURE SELECTOR (Control

Switch Thermostat) S3. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-19MODE SELECTOR Switch S1 . . . . . . . . . . . . . . . . . . . . . . . . . .

4-20COMPR CIRCUIT BKR (Compressor

Circuit Breaker) CB1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-21Control Module Wiring Harness. . . . . . . . . . . . . . . . . . .

4-22Junction Box. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-23Junction Box Wiring Harness. . . . . . . . . . . . . . . . . . . . .

4-24Relays. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-25CONTROL CIRCUIT BREAKER CB2 . . . . . . . . . . . . . . . . . . . . .

4-26Miscellaneous Cables, Harnesses,

and Terminal Boards. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-27Transformer and Rectifier . . . . . . . . . . . . . . . . . . . . . . . .

4-27.1 Capacitors and Relay, Model F18H–1S only. . . . . .

4-28Evaporator Fan, Motor and Housing. . . . . . . . . . . . . .

4-29Heater Thermostat . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-30Heater Elements . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-31Condenser Fan, Motor and Housing. . . . . . . . . . . . . . .

4-32Evaporator Coil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-33Solenoid Valve Coil Removal . . . . . . . . . . . . . . . . . . . . .

4-34Jumper Across LPCO Switch. . . . . . . . . . . . . . . . . . . . . . . .

4-35Condenser Coil . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-36Connectors (Installation). . . . . . . . . . . . . . . . . . . . . . . .

4-37Installation Hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5-1Motor Assembly, Custom Motor Design,

Model 184-01–0412. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5-1.1 Motor Assembly, Keco Industries, Inc.,

Model 113K0001. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5-2Motor Assembly, Welco,

Model M–4720-50. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5-3Motor Assembly,Custom Motor Design,

Model 700–01–0602. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5-3.1 Motor Assembly, Keco Industries, Inc.,

Model 113K0000. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5-4Discharging Refrigerant. . . . . . . . . . . . . . . . . . . . . . . . . .

5-5Nitrogen Tank Connection . . . .. . . . . . . . . . . . . . . . . . . . .

5-6Evacuation of Refrigerant System. . . . . . . . . . . . . . .

5-7Refrigerant Charging. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5-8Evaporator Coil. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5-9Fluid 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

Change 2

TM 5-4120-384-14

LIST OF ILLUSTRATIONS

FigureTitle

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

TM 5-4120-384-14

Figure 1-1.Air Conditioner

1-0

Change 2

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. . ..... . ..... . . . . . . . . . .... . ...

1-1

1-2

1-3

1-4

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

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, Missouri63120-1798.

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

1-2Change 2

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