Sterling MS - Manual (Page 31)

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“FOR CANADIAN INSTALLATIONS ONLY”
The following instructions apply to Canadian installations in addition to installation and operating instruction:
1. Installation must conform with local building codes, or in absense of local codes, with current
CSA B149.1, Installation Codes for Natural Gas Burning Appliances and Equipment, or CSA
B149.2, Installation Codes for Propane Gas Burning Appliances and Equipment.
2. Any reference to U.S. standards or codes in these instructions are to be ignored and the applicable
Canadian standards or codes applied.
3. Any references to deration at altitudes in excess of 2000 feet are to be ignored. When installed in
Canada at altitudes of 2000 to 4500 feet, the duct furnaces must be orifi ced to 90% of the normal
altitude rating, and be so marked in accordance with the ETL certifi cation.
4. Duct furnaces are designed certifi ed to comply with CSA 2.6.
5. In Canada, installation is suitable in airplane hangars when acceptable to the enforcing authorities,
and in public garages when installed in accordance with current CSA B149 Installation Codes
for Gas Burning Appliances and Equipment.
6. All electrical connections must be in accordance with Canadian Electrical Code, Part 1, CSA Standard
C22.1.
7. In Canada, the vent system must be adequately supported to prevent sagging; but in no case shall
the supports be less than every 3 feet.
8. If using a metal vent system under positive gauge pressure in Canada, a slip fi t vent connection must
be secured by a least two corrosive resistant screws, or other mechanical locking means.
9. Canadian units require the following vent equivalent lengths; 5 feet minimum; 50 feet maximum.
10. The vent shall not terminate —
a. Less than 6 feet from a combustion air inlet of another appliance.
b. Less than 3 feet from any other building opening or any gas service regulator.
c. Directly above a gas utility meter or service regulator.
11. Vent terminal shall be located not less than one foot above grade.
12. It is recommended that the heater and vent system be checked once a year by a qualifi ed serviceman.