Please read these instructions completely and
carefully before installing and operating the furnace.
Model POF1HD140AVFA is an oil fired forced air up-flow
furnace with an output capacity range of 87,000 BTU/Hr.
to 116,000 BTU/Hr. Model POF1HD091AVFA is an oil
fired forced air up-flow furnace with an output capacity
range of 58,000 BTU/Hr. to 87,000 BTU/Hr.
POF1HD140AVFA and POF1HD091AVFA are equipped
with direct drive ECM motors.
DO NOT USE GASOLINE, CRANK CASE OIL, OR
ANY OIL CONTAINING GASOLINE.
FOR YOUR SAFETY
DO NOT STORE OR USE GASOLINE OR OTHER
FLAMMABLE VAPORS AND LIQUIDS IN THE
VICINITY OF THIS OR ANY OTHER APPLIANCE.
All models are CSA listed, (NRTL/C) for use with No. 1
(Stove) and No. 2 (Furnace) Oil. Please refer to the
tables in Appendix A for performance and dimensional
In Canada, the installation of the furnace and related
equipment shall be installed in accordance with the
regulations of CAN/CSA - B139, Installation Code for Oil-
Burning Equipment, as well as in accordance with local
In the United States of America, the installation of the
furnace and related equipment shall be installed in
accordance with the regulations of NFPA No. 31,
Standard for the Installation of Oil-Burning Equipment, as
well as in accordance with local codes.
Regulations prescribed in the National Codes and Local
instructions provided on this installation manual. When in
doubt, please consult your local authorities.
All models are shipped assembled and pre-wired. The
furnace should be carefully inspected for damage when
2. HEAT LOSS
The maximum hourly heat loss for each heated space
shall be calculated in accordance with the procedures
described in the manuals of the Heating, Refrigeration
and Air Conditioning Institute of Canada (HRAI), or by
SAVE THESE INSTRUCTIONS FOR FUTURE REFERENCE
other means prescribed, or approved by the local
authority having jurisdiction.
In the United States, Manual J. titled, "Load
Calculation" published by the Air Conditioning
Contractors of America, describes a suitable
procedure for calculating the maximum hourly heat
3. LOCATION OF UNIT
The furnace should be located such that the flue
connection to the chimney is short, direct and
consists of as few elbows as possible. When
possible, the unit should be centralized with respect
to the supply and return air ductwork. A central
location minimizes the trunk duct sizing. All models
may be installed on combustible floors. The
minimum installation clearances are listed in Table
Table 1: Clearances – (Inches)
*18 in. in USA
** 24 in. required for service clearance
HEAT EXCHANGER SUPPORT SCREWS
Clearance to Combustibles