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30318 R4 9/9/2005
2
TABLE OF CONTENTS
INTRODUCTION..........................................................................................................................................................................3
HEAT LOSS.................................................................................................................................................................................3
LOCATION OF UNIT...................................................................................................................................................................3
AIR CONDITIONING....................................................................................................................................................................4
COMBUSTION AIR......................................................................................................................................................................5
CHIMNEY VENTING....................................................................................................................................................................5
DRAFT REGULATOR CONTROL...............................................................................................................................................5
OPTIONAL SIDE WALL VENTING.............................................................................................................................................7
OIL TANK ....................................................................................................................................................................................7
PIPING INSTALLATION..............................................................................................................................................................7
ELECTRICAL CONNECTIONS...................................................................................................................................................7
FAN TIMER BOARD AND LIMIT CONTROL..............................................................................................................................8
CIRCULATING AIR BLOWER ....................................................................................................................................................8
HUMIDIFIER ................................................................................................................................................................................9
OIL BURNER...............................................................................................................................................................................9
FURNACE INSTALLATION SET-UP ........................................................................................................................................10
MAINTENANCE AND SERVICE ...............................................................................................................................................11
OPERATING INSTRUCTIONS..................................................................................................................................................12
APPENDIX A- WML-C AND MPL-B BURNER SET UP............................................................................................................13
A.1 OIL BURNER AIR ADJUSTMENT......................................................................................................................................14
A.2 BURNER ELECTRODES....................................................................................................................................................14
A.3 START UP...........................................................................................................................................................................14
A.4 SPECIAL INSTRUCTIONS FOR UNITS EQUIPPED WITH RIELLO BURNERS...............................................................14
TABLE A-6 DIRECT DRIVE BLOWER SET-UP .......................................................................................................................15
TABLE A-8 DIRECT DRIVE BLOWER CHARACTERISTICS ..................................................................................................15
TABLE A-9 GENERAL DIMENSIONS (INCHES) .....................................................................................................................16
APPENDIX B: WIRING DIAGRAMS .........................................................................................................................................17
OPERATION OF OIL BURNER.................................................................................................................................................21
APPENDIX C-R7184 TROUBLESHOOTING ............................................................................................................................22
R7184 DETAILED SEQUENCE OF OPERATION (FIGURE 7).................................................................................................22
TABLE C-1: ELECTRONIC FAN TIMER BOARD (EFT) DETAILED SEQUENCE OF OPERATION ......................................25
R7184 LED DIAGNOSTIC LIGHT .............................................................................................................................................26
TABLE C-3: R7184 TROUBLESHOOTING ..............................................................................................................................27
TABLE C4: SYSTEM AND GENERAL TROUBLESHOOTING ................................................................................................29
FINAL CHECK OUT ..................................................................................................................................................................31
PARTS LISTING: COUNTERFLOW HORIZONTAL MODEL: WML C.....................................................................................32
HOMEOWNER’S REFERENCE TABLE ...................................................................................................................................38
NOTES:......................................................................................................................................................................................39