From inside (document excerpt):
58VLR Low-Boy Oil Furnace Visit www.carrier.com Installation, Start-Up, and Operating Instructions For Input Capacities of 70,000–154,000; Series 100 NOTE: Read the entire instruction manual before starting the installation. TABLE OF CONTENTS SAFETY CONSIDERATIONS .1 INTRODUCTION 2 LOCATION 3 General 3 Location Relative to Cooling Equipment 3 INSTALLATION .3 Air for Combustion and Ventilation 3 General 4 Unconfined Space 4 Confined Space 4 Duct Work Recommendations 5 Venting 5 Vent System Inspection .5 Masonry Chimneys 6 Factory-Built Chimneys 6 Oil Burner .6 Oil Connections 6 Barometric Draft Control 6 Electrical Connections 7 115V Wiring 7 24V Wiring 7 Accessories 7 Filters .7 STARTUP, ADJUSTMENT, AND SAFETY CHECKOUT .7 Operational Checkout .7 Combustion Check 7 Fan Adjustment Check .10 Limit Control Check .12 For Year-Round Air Conditioning .12 Heating 12 Cooling 12 CARE AND MAINTENANCE .12 General 12 Oil Burner .13 Heat Exchanger and Flue Pipe .13 Blower Removal .14 SAFETY CONSIDERATIONS FOR YOUR SAFETY DO NOT STORE OR USE GASOLINE OR OTHER FLAMMABLE VAPORS AND LIQUIDS IN THE VICINITY OF THIS OR ANY OTHER APPLIANCE.
DO NOT ATTEMPT TO START THE BURNER WHEN EXCESS OIL HAS ACCUMULATED, WHEN THE FURNACE IS FULL OF VAPOR, OR WHEN THE COMBUSTION CHAMBER IS VERY HOT. A96280 Fig. 1–58VLR Low-Boy Oil Furnace CARBON MONOXIDE POISONING FIRE EXPLOSION HAZARD Failure to follow this warning could lead to sooting, fire, explosion, and/or severe bodily harm. For use with grade 1 or 2 Fuel Oil. Do not use Gasoline, Crankcase Oil, or any Oil containing gasoline! FIRE HAZARD Failure to follow this caution may result in fire and property damage. Never burn garbage or paper in the heating system and never leave rags, paper, or any flammable items around the unit. UNIT RELIABILITY HAZARD These instructions are intended to be used by qualified personnel who have been trained in installing this type of furnace. Installation of this furnace by an unqualified person may lead to equipment damage and/or a hazardous condition which may lead to bodily harm. Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.