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OWNER'S MANUAL ELECTRIC FURNACE SFE SFEX SFECM THANK YOU FOR YOUR PURCHASE! NEED ASSISTANCE? CONTACT STELPRO CUSTOMER SERVICE. WWW.STELPRO.COM CONTACT@STELPRO.COM 1-844-STELPRO...
IMPORTANT INSTRUCTIONS TAKE A FEW MINUTES TO READ THE FURNACE’S INSTALLATION GUIDE TO ENSURE AN EASY AND SAFE INSTALLATION. WARNING when using it. To avoid burns, do not let bare skin touch hot surfaces. Let the unit cool down for a few minutes before han- If these instructions are not followed, the warranty will be dling it (it stays warm for some time after shut-down).
INSTALLING THE FURNACE FURNACE LOCATION The electric furnace is available in several models with various heating capacities (from 10 to 30 kW). All these models adapt easily to many applications and are suitable for horizontal, upflow and downflow operations (see the figures below). When installed in vertical downflow position, use only an ‘‘L’’...
PLENUM TEMPERATURE CONTROL POTENTIOMETER The Stelpro electric furnace is equipped with a plenum temperature sensor. You can select the plenum temperature setpoint with a potentiometer installed on the control card. The default factory setpoint is 60°C (140°F). You can select the setpoint from a temperature range between 40°C (104°F) and 70°C (158°F).
ELECTRICAL CONNECTIONS WARNING: This product must be connected by a qualified electrician according to the electrical and building codes effec- tive in your region. For 240 VAC connection, you can use copper or aluminum wire (75 °C [165 °F]), except for 27.5 kw and 30 kw models where only copper wire is allowed.
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ELECTRICAL CONNECTION OF THE THERMOSTAT 1. Install the thermostat according to the manufacturer's recom- 3. Seal the wall openings in order to minimize the drafts which mendations. can alter temperature measurements. Read the user’s guide of the thermostat carefully and refer to the following 2.
OPERATION CONTROL PANEL THERMOSTAT HIGH/HAUTE LOW/BASSE STANDARD SFE-SFEX-SFECM MODES CONTINUOUS VENTILATION MODE CONTINUOUS HEATING button button button Allows the selection of the Allows the selection of the Allows the selection of the speed continuous ventilation Standard or Eco mode continuous heating mode mode (p.8) or the installation...
TWO-STAGE THERMOSTAT one by one (100% heating). The plenum temperature is still limited by the potentiometer of the control card. The control card of the furnace auto-detects the two stages of the thermostat. W1 The thermostat closes the R-W1 circuit, which acti- HEATING DEMAND, STANDARD MODE vates the first stage of the heating sequence (±50% hea- (WITH T-STAT INTELLIGENCE)
HEAT PUMP If a heat pump is installed in your central heating system, the Stelpro electric furnace offers the installer two types of installations: type “A” or type “B”. Installation “A” must be selected when the heat pump is installed After the furnace (air supply), and installation “B”...
The indicator light above the selected button will blink to indicate the type of installation programmed. A heat pump can operate year round and save you money on heating costs thanks to the Stelpro furnace's unique plenum air temperature control function. This function always maintains equal air temperature in the plenum and ducts.
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PLENUM TEMPERATURE AIRFLOW CHANGES ADJUSTMENT IN HEATING MODE FOR THE SFE MODEL Adjusting the output temperature when the thermostat The blower speeds can be modified by changing the is controlled by a W command. connection of the three motor relays. MOTOR 1/3 HP...
AIRFLOW TABLE (SFEX) 1/3 HP MOTOR POWER CONTINUOUS POWER MEDIUM HIGH HEATING MODE MIN (KW) MAX (KW) Δ T (°F) Δ T (°F) Δ T (°F) 1025 1150 1325 17.5 1150 1325 1150 1325 22.5 1150 1325 1000 1225 17.5 1000 1225 1000...
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AIRFLOW SETTINGS TABLE (SFECM) CONTINUOUS VENTILATION HEATING VENTILATION AIR CONDITIONING FLOW RATE CONT. VENT. W VENT. Y1* VENT. HIGH 1021 MODEL 1000 1100 1100 1033 1200 1275 1100 1300 1450 1521, 1821 MODEL 1030 1210 1400 1025 1080 1450 1167 1033 1260 1450...
MAINTENANCE AND TROUBLESHOOTING AIR FILTER N.B. In order for the warranty to be valid, the unit must be cleaned regularly. Excessive dust or dirt accumulation can block the airflow, Cut off power supply at circuit breaker/fuse before clea- forcing the unit to work harder to maintain the desired ning the unit.
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5. Replace the front panel and turn the power back on. If the furnace doesn’t begin heating again after a reset, it means an internal component may be defective, or an additional thermal protection device has been triggered. In this case, contact Stelpro Customer Service Department.
STELPRO: models SFE, SFEX, SFECM. abnormal use, lack of maintenance, improper maintenance (other than that prescribed by STELPRO) or a use other than that for Please read this limited warranty carefully. Subject to the terms which the unit was designed; 3) a natural disaster or an event out of this warranty, STELPRO warrants its products and their of STELPRO’s control, including, but not limited to, hurricanes,...
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