Table Of Contents - Atwood AFS Series Training Manual

Table of Contents

FURNACES TABLE OF CONTENTS

RECOMMENDED TOOLS AND EQUIPMENT .......................................................................................... 4

AFS SERIES MODEL IDENTIFICATION .................................................................................................. 5

REQUIRED DUCTING ........................................................................................................................................................... 5

DISCHARGE AND DUCTING ............................................................................................................................................... 6

AFS Wiring ............................................................................................................................................................................ 6

AFM SERIES MODEL IDENTIFICATION.................................................................................................. 7

REQUIRED DUCTING ........................................................................................................................................................... 7

REQUIRED DISCHARGE ..................................................................................................................................................... 7

AFM Wiring ........................................................................................................................................................................... 8

AFL SERIES MODEL IDENTIFICATION .................................................................................................. 9

REQUIRED DUCTING ........................................................................................................................................................... 9

REQUIRED DISCHARGE ................................................................................................................................................... 10

AFL Wiring .......................................................................................................................................................................... 10

79 / 80 SERIES MODEL IDENTIFICATION ............................................................................................ 12

DUCTING CONFIGURATIONS ........................................................................................................................................... 13

79 / 80 SERIES Directionnel Louver Insert (PN 36959) .................................................................................................. 13

Wiring Diagrams 7900 & 8012 Models ............................................................................................................................. 13

8500 SERIES Model Identification .................................................................................................................................... 15

Wiring Diagrams 8500 Models .......................................................................................................................................... 16

8900 SERIES MODEL IDENTIFICATION ............................................................................................... 20

Wiring Diagrams 8900 Models .......................................................................................................................................... 20

85 / 89 2-STAGE SERIES MODEL IDENTIFICATION ............................................................................ 23

Wiring Diagrams 2-Stage Models ..................................................................................................................................... 24

Fig 1 2-STAGE with Field Plug.......................................................................................................................................... 24

Fig 2 2-STAGE without Field Plug .................................................................................................................................... 24

MODEL HFH 2000 BI METAL THERMOSTAT ....................................................................................... 25

INSTALLATION & OPERATION......................................................................................................................................... 25

DIGITAL THERMOSTAT MODEL 1H2C ................................................................................................. 27

Specifications ..................................................................................................................................................................... 27

WIRING REQUIREMENTS FOR ATWOOD THERMOSTAT ............................................................................................. 28

DIGITAL THERMOSTAT MODEL 2H2C TWO STAGE .......................................................................... 29

Specifications ..................................................................................................................................................................... 29

WIRING REQUIREMENTS FOR ATWOOD (ONLY) TWO STAGE THERMOSTAT......................................................... 29

SEQUENCE OF OPERATION - DC MODELS (STANDARD UNITS) .................................................... 30

SEQUENCE OF OPERATION - DC MODELS (2- STAGE EXCALIBUR™ FURNACES ONLY) .......... 32

SEQUENCE OF OPERATION - PILOT MODELS .................................................................................. 33

SEQUENCE OF OPERATION - AC MODELS ....................................................................................... 34

CRITICAL INSTALLATION CRITERIA ................................................................................................... 35

ANNUAL PREVENTATIVE MAINTENANCE INSPECTION ................................................................... 35

MECHANICAL THERMOSTAT ............................................................................................................... 36

CIRCUIT BREAKER & MOTOR .............................................................................................................. 37

CIRCUIT BOARDS .................................................................................................................................. 38

RELAY ..................................................................................................................................................... 38

SAIL SWITCH .......................................................................................................................................... 39

LIMIT SWITCH ........................................................................................................................................ 39

DUAL SOLENOID GAS VALVE .............................................................................................................. 39

BURNER HEAD, ELECTRODE AND VALVE ASSEMBLY .................................................................... 40

#4- RETURN AIR ..................................................................................................................................... 42

TROUBLE SHOOTING GUIDES ............................................................................................................. 42

Mechanical Thermostat ..................................................................................................................................................... 42

Furnace - Electronic Ignition Models .............................................................................................................................. 43

Furnace - Electronic Ignition Models (continued) ......................................................................................................... 44

Furnace - Electronic Ignition Models (continued) ......................................................................................................... 45

FURNACE TERMINOLOGY ................................................................................................................................................ 46

FLAT RATE SCHEDULE ........................................................................................................................ 48

8500-IV LD & 2-STAGE SERIES FURNACE PARTS ............................................................................. 62

8900-IV DC & AC - LD & 2-STAGE SERIES FURNACE ARTS ............................................................. 67

WARRANTY ............................................................................................................................................ 71

FURNACE EXTENDED SERVICE CONTRACT ..................................................................................... 71

TERM AND PROVISIONS: ................................................................................................................................................. 71

EXCLUSIONS (SPECIFICALLY EXCLUDED FROM THE WARRANTIES) ..................................................................... 71

LIMITATIONS ...................................................................................................................................................................... 71