Contents
Main
Installation, Operation and Maintenance Manual Oil Fired Warm Air Furnaces
WML-C AND MPL-B (Down-Flow or Horizontal Model)
ECR International Limited OLSEN Division
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TABLE OF CONTENTS
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INTRODUCTION
HEAT LOSS
LOCATION OF UNIT
DOWN-FLOW INSTALLATION
Fig 1 Suspended Installation
AIR CONDITIONING
Table 1: Clearance to Combustibles
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COMBUSTION AIR
CHIMNEY VENTING
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OIL TANK
PIPING INSTALLATION
ELECTRICAL CONNECTIONS
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FAN TIMER BOARD AND LIMIT CONTROL
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If the joining of the blower speed wiring is done in the furnace junction
box, tape
HUMIDIFIER
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FURNACE INSTALLATION SET- UP
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MAINTENANCE AND SERVICE
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OPERATING INSTRUCTIONS
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Pressure Flow Rate Turbulator
Output BTU/Hr
Burner Model Nozzle Pump
Setting
() ()
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OPERATION OF OIL BURNER
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R7184 SEQUENCE of OPERATION
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Table C-1: ELECTRONIC FAN TIMER BOARD (EFT) DETAILED SEQUENCE OF OPERATION
d.
Limit switch string closes (with existing call for heat).
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R7184 LED DIAGNOSTIC LIGHT
TROUBLESHOOTING
If burner still doesn't start, replace R7184.
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Table C-3: R7184 TROUBLESHOOTING
IMPORTANT
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TABLE C4: SYSTEM AND GENERAL TROUBLESHOOTING
Problem Possible Cause Remedy
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TABLE C-4: SYSTEM AND GENERAL TROUBLESHOOTING Problem Possible Cause Remedy
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FINAL CHECK OUT
PARTS LISTING: COUNTERFLOW HORIZONTAL MODEL: WML C Ref. No. Description PART NO.
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PARTS LISTING: COUNTERFLOW HORIZONTAL MODEL: MPL
Ref. No. Description PART NO.
PARTS LISTING: COUNTERFLOW HORIZONTAL DIRECT VENT MODEL: MPL BB2U
Ref. No. Description PART NO.
PARTS LISTING: SUB BASE FOR COMBUSTIBLE FLOOR INSTALLATION: MPL B