30
EndURancE 50F
CANADIAN REqUIREMENTS
1. do not use duct elbows having an inside radius of less
than 6"(150mm) on the furnaces.
2. do not connect ductwork so that a reverse flow is possible.
3. Operate the (gas, oil or electric) furnace periodically to
ensure that it will operate satisfactorily when needed.
4. certified for installations with ductwork configurations simi-
lar to that shown in figure 6.
5. do not relocate or bypass any of the safety controls in the
original (gas, oil or electric) furnace installation.
6. do not connect with any gas furnace that has not been
certified initially as complying with can/cGa-2.3.
7. The operation of the gas furnace must be verified for ac-
ceptable operation before and after installation of this
add-on furnace by a gas fitter that is recognized by the
regulatory authority.
8. do not connect to any gas furnace that is not equipped
with an air-circulating blower or to a chimney or vent serv-
ing a gas furnace or appliance.
9. This furnace should only be installed on a furnace duct
system and chimney that are in good operating condition.
See figure 6 for duct configuration.
10. This furnace is equipped with a direct drive blower mo-
tor. This motor should not be changed with one of lesser
speed. a motor with a faster speed may be used. The
size of the blower should not be changed. This equipment
should be installed, acceptable to regulatory authority, by
experienced licensed personnel.
11. Installation should comply with requirements of can/
cSa-B365, and can/cGa-B149.1 and can/cGa-
B149.2(for gas-fired).
additional canadian Requirements
For Supplementary (add-On) Furnaces
