Table of Contents
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www.stelpro.com
User's guide
''SEF'' series
Electric furnace
This guide must be read carefully by the installer.
Then, the installer must give it to the user.
(Replacement component list included)
This unit is approved
according to the Canadian
standards and is intended
for the Canadian market
This unit complies with
the CSA standards
For further information or to consult this guide on line, please visit our Web site.
INS_SEF-U_0111
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Summary of Contents for Stelpro ‘‘SEF’’ series
- Page 1 User’s guide ‘‘SEF’’ series Electric furnace This guide must be read carefully by the installer. Then, the installer must give it to the user. (Replacement component list included) This unit is approved according to the Canadian standards and is intended...
- Page 2 WARNING WARNING WARNING WARNING Before installing and operating this product, the user and/or installer must read, understand and follow these instructions and keep them handy for future reference. If these instructions are not followed, the warranty will be considered null and void and the manufacturer deems no further responsibility for this product. This product must be installed by a qualified person and connected by a certified electrician, according to the electrical and building codes effective in your region.
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Page 3: Preventive Maintenance
Preventive maintenance Do not try to repair your furnace yourself. Call a qualified technician. However, before calling a technician, check the following points. 1) Make sure fuses or circuit breakers are activated. 3) Adjust the temperature set point of the thermostat above the ambient temperature. If heating does not start, cut off the power supply and call a techni- cian. -
Page 4: Limited Warranty
Moreover, it does not cover the cost of disconnection, transport, and installation. The warranty is limited to the repair or the replacement of the unit or the refund of its purchase price, at the discretion of Stelpro. Any parts replaced or repaired within the warranty period with the written authorization of Stelpro will be warranted for the remainder of the original warranty period.
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Questions and answers
The furnace has three elements, one 5kw and 2 2.5 kw. The issue is that the unit isn’t kicking out much heat. I checked the load on all three elements and there is only load on one of the 2.5kw elements and that one is drawing 19.5 amps. What are the possible solutions?
Possible solutions for a Stelpro SEF series furnace with one 2.5 kW element drawing 19.5 amps and insufficient heat output:
1. Check the Thermostat
- Ensure the thermostat is correctly set and functioning.
- Verify that the thermostat is level, calibrated, and located properly.
- If applicable, inspect the heat anticipator for correct settings or damage.
2. Inspect the Airflow
- Check for duct obstructions or dirty filters that may be triggering thermal protection and reducing heating efficiency.
- Ensure the blower fan is functioning properly to distribute heat.
3. Confirm Electrical Supply
- Verify that the furnace is receiving proper voltage and that the circuit breaker or fuse is appropriate for the load.
4. Evaluate Heating Element
- If the heating element is defective, consider replacing it with a compatible part from the replacement component list (e.g., ELF-SEF0221 for 2 x 2.5 kW).
If the issue persists after these checks, cut off power at the main electrical panel and contact customer service.
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