ECR International BCL, Installation, Operation And Maintenance Manual

Page: 3 / 44

28141 Rev A 10-27-06
3
1. INTRODUCTION
Please read these instructions completely and
carefully before installing and operating the
furnace.
MODEL BCL 170, 190, 200, & 225
Models BCL 170 to 225 are rear breeched oil fired
forced air lowboy furnaces, with output capacity of
170,000 Btu/h to 225,000 Btu/h. They are shipped
in two pieces; furnace section and blower section,
which are assembled together at the installation
site.
MODEL BCL 80S - BCL 145S
Models BCL-120S and BCL-145S are rear
breeched oil fired forced air low boy furnace, with
output capacities ranging from 79,000 Btu/h to
143,000 Btu/h.
Models designated with a "U"
are Sidewall Vent units only, up to 120,000
Btu/hr.
Model Numbers designated with a "T" can
accommodate up to 5 tons of air conditioning.
MODEL BFL 120 - BFL 145
Models BFL 120 and BFL 145 are front breeched
oil fired forced air lowboy furnaces, with output
capacities ranging from 79,000 Btu/h to 143,000
Btu/h.
Models designated with a "U" are
Sidewall Vent units only, up to 120,000 Btu/hr.
Model Numbers designated with a "T" can
accommodate up to 5 tons of air conditioning.
DO NOT USE GASOLINE, CRANK CASE
OIL, OR ANY OIL CONTAINING
GASOLINE.
All models are CSA listed, for use with No. 1
(Stove) and No. 2 (Furnace) Oil. Please refer to
the tables in Appendix A for performance and
dimensional data.
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 codes.
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,
Installation of Oil Burning
Equipment , as well as in accordance with local
codes.
Regulations prescribed in the National Codes and
Local regulations take precedence over the
general instructions provided on this installation
manual. When in doubt, please consult your local
authorities.
All models except for BCL 170 to 225 are shipped
completely assembled and pre-wired. The furnace
should be carefully inspected for damage when
being unpacked.
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 any other
method which is suitable for local conditions,
provided the results obtained are in substantial
agreement with and not less than those obtained
using the procedure described in the manual.
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 loss.
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 duct work. A
central location minimizes the trunk duct sizing.
All models may be installed on combustible floors.
The minimum installation clearances are listed in
Table 1.
4. AIR CONDITIONING APPLICATIONS
If the furnace is used in conjunction with air
conditioning, the furnace shall be installed in
parallel with or upstream from the evaporator coil
to avoid condensation in the heat exchanger. In a
parallel installation, the dampers or air controlling
means must prevent chilled air from entering the
furnace. If the dampers are manually operated,
there must be a means of control to prevent the
operation of either system unless the dampers are
in the full heat or full cool position. The air heated
by the furnace shall not pass through a
refrigeration unit unless the unit is specifically
approved for such service.