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INS_SEFL-I 0610

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.

The following instructions must be adhered to in order to avoid personal injuries or property damages, serious injuries and potentially fatal 

electric shocks.
Protect the heating unit with the appropriate circuit breaker or fuse, in accordance with the nameplate.
Make sure the line voltage (volt) is consistent with that indicated on the unit’s nameplate.
This unit must be 

grounded

.

Switch off the power at the circuit breaker/fuse before installing, repairing and cleaning the unit.
Make sure the unit is appropriate for the intended use (if needed, refer to the product catalog or a representative).
If the unit’s capacity is insufficient for the size of the house, it will be in operation continuously, and may become defective earlier.

Respect distances and positions

 indicated in the installation section.

If the installer or the user modifies the unit, they will be held responsible for any damage resulting from this modification, and the CSA certification 

could be void.
This unit must not come into contact with a water source and must be protected from splashes (e.g. a wet mop). Do not use it if any part has 

been immersed. Moreover, do not turn it on or off when standing in water or if your hands are wet.

When cutting a piece of steel for the installation of the return duct, do not damage electrical wiring of the unit.
Because this unit is hot when in use, it may pose risks even in normal operation. Therefore, be 

careful 

and 

responsible

 when using it. To avoid 

burns, do not let bare skin touch hot surfaces. Let the unit cool down for a few minutes before handling it (it stays warm for some time after 

shut-down). 
Never block air vents. This obstruction could lead to overheating, which could result in a fire.
Do not insert or allow foreign objects to enter any air vent as this may cause electric shocks, fires, or damages to the unit.
This unit has hot and arcing or sparking parts inside. It is not designed to be used or stored in wet areas or areas containing flammable liquids, 

combustible materials or corrosive, abrasive, chemical, explosive and flammable substances such as, but not limited to, gasoline, paint, chlorine 

and cleaning products.
Some areas are dustier than others. Thus, it is the user’s responsibility to evaluate if the 

filter must be changed

 based on it. Accumulated dirt 

can lead to a component malfunction or discoloration (yellowing). It may cause a fire hazard if not installed and maintained in accordance with 

these instructions.
Thermal protection activation indicates that the unit has been subjected to abnormal operating conditions. If the thermal protection remains 

activated or activates and deactivates repeatedly, it is recommended that a qualified electrician or a certified repair centre examine the unit in 

order to make sure it is not damaged. (Refer to the limited warranty).
If the unit is damaged or defective, cut off power supply at circuit breaker/fuse and call a certified repair centre. (Refer to the limited warranty).
Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerous operation.

 WARNING   WARNING   WARNING 

 WARNING 

Summary of Contents for SEFL1521

Page 1: ...y by the installer The installer must also read the user s guide since it contains other important information www stelpro com For further information or to consult this guide on line please visit our Web site This unit complies with the CSA standards This unit is approved according to the Canadian and American manufacturing standards ...

Page 2: ...re wet When cutting a piece of steel for the installation of the return duct do not damage electrical wiring of the unit Because this unit is hot when in use it may pose risks even in normal operation Therefore be careful and responsible when using it To avoid burns do not let bare skin touch hot surfaces Let the unit cool down for a few minutes before handling it it stays warm for some time after...

Page 3: ...INLET KOE SQUARE CARRÉ 1 1 8 KOE O 1 3 8 1 1 8 KOE INSTALLATION N B Cut off power supply at circuit breaker fuse before proceeding to the installation Please note that each furnace is factory inspected before shipping in order to ensure that every component is operating efficiently The SEFL series electric furnace is available in several models of various heating capacity from 15 to 20 kW All thes...

Page 4: ...e airflow can be roughly measured using the measurements taken previously You must use the following formulas LitER s 0 82 x amp X volts CFM 3 1 x amp X volts OTHER CFM kW x 3000 T F T F METHOD T F ANTICIPATOR If you install a thermostat equipped with a heat anticipator refer to the user s guide of the thermostat to adjust it Using an ampmeter measure the current on the single stage thermostat as ...

Page 5: ...f you change the filter frequently the blower s blades and motors will become dust laden after a few months The entire blower assembly should be inspected annually If needed vacuum out the dust If you cannot clean the blower without removing it from the furnace this service must be performed by a qualified technician TROUBLESHOOTING PROBLEM DEFECTIVE PART OR PART TO CHECK The unit does not work De...

Page 6: ...T 010 THERMAL PROTECTION L 160 40 15 TO 20 kW 5 SWI 004 SPDT SWITCH WITHOUT MARKINGS 16 A 250 V 3 4 HP 250 V T85 6 TRF200050D TRANSFO 240 208 24 50VA SEC 10 5 13 7 REL 005 RELAY 240 V form X 18 A RES 7 REL 003 RELAY 24 V form C 20 A NO 10 A NC 8 SEQ 005 DOUBLE SEQUENCER 24 V H1 20 C40 90 H30 90 C1 30 8 SEQ 003 SINGLE SEQUENCER 24 V H30 90 C1 30 8 SEQ 007 DOUBLE SEQUENCER 24 V H40 100 C1 30 H25 60 ...

Page 7: ...elat ing thereto Without limiting the generality of the foregoing Stelpro expressly disclaims any liability for property or personal injury damages penalties special or punitive damages damages for lost profits loss of use of equipment cost of capital cost of substitute products facilities or services shut downs slowdowns or for other types of economic loss or for claims of a dealer s customers or...

Page 8: ...w The chosen angle is where you will feel it with your finger You can modify the angle of the first and second damper but there is a bolt that will block at one limit simply press and turn with a plyer 18 kW 20 kW ML L 15 kW DEFAULT CONFIGURATION MH H C ML L MH H C Red Black Red Black Blue Blue Black White Black White ...

Page 9: ...Im A T F cfm Im A T F cfm Im A T F cfm 0 2 30 30 0 1 2 38 802 1 4 34 896 1 5 34 896 1 8 32 952 0 2 45 45 0 1 4 34 896 1 6 32 952 1 6 28 1088 2 27 1129 0 2 60 60 0 1 6 34 896 1 9 27 1129 2 25 1219 2 3 23 1325 0 2 75 75 0 1 7 33 5 910 2 1 26 1172 2 2 23 1325 2 6 20 1524 0 2 90 90 0 1 7 33 924 2 2 26 1172 2 7 22 1385 2 9 20 1524 0 5 30 30 0 1 45 690 1 1 41 5 748 1 3 38 817 1 6 35 5 874 0 5 45 45 0 1 ...

Page 10: ...ood heating unit across low voltage terminals R and G of the furnace This thermostat will automatically turn the blower of the furnace on N B Please note that if one of these accessories is installed you must refer to the appropriate guide ELECTRICAL CONNECTIONS OF THE FURNACE Note that this product must be connected by a qualified electrician according to the electrical and building codes effecti...

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