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User’s gUide

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Single programming  

electronic thermoStat

For further information or to consult this guide online,  

please visit our website at 

www.stelpro.com

INSS0414 

Summary of Contents for STE252NP+

Page 1: ...L I T C ERTIFI REGISTERED Q U A L I T Y S Y S T E M User s guide STE252NP Single programming Electronic thermostat For further information or to consult this guide online please visit our website at...

Page 2: ...ct this product to a supply source other than 120 VAC or 240 VAC and do not exceed the load limits specified Protect the heating system with the appropriate circuit breaker or fuse You must regularly...

Page 3: ...ermostat is not compatible with the following installations electrical current higher than 10 4 A with a resistive load 2500 W 240 VAC and 1500 W 120 VAC electrical current lower than 1 25 A with a re...

Page 4: ...Thermostat mounting and connection 1 Cut off power supply on lead wires at the electrical panel in order to avoid any risk of electric shock 2 Ensure that the air vents of the thermostat are clean an...

Page 5: ...nect them using the supplied solderless connectors When making the connection with aluminum wire make sure that you are using connectors identified CO ALR Please note that the thermostat wires do not...

Page 6: ...into the connection box 7 Align the notch on the top of the thermostat with the wall plate Then tighten the screw at the bottom of the unit 8 Turn on the power 9 Set the thermostat to the desired set...

Page 7: ...is initially set to Day mode The temperature is displayed in Celsius and is set at 21 degrees by default Ambient temperature timer Heating power indicator Single programming mode Security mode Fan mod...

Page 8: ...f the thermostat by lowering the set point below 3 C The set point value displayed will be and heating system start up will be impossible Day mode and Night mode The thermostat includes a Day mode and...

Page 9: ...mode set points at the desired temperatures If needed switch from one mode to the other by simultaneously pressing down the two buttons and releasing them immediately 2 From the Night mode simultaneo...

Page 10: ...course of a cycle in the Single programming mode is as follows 1 Night mode activated for the duration of the Night mode timer cycle It returns to the Day mode when the timer cycle is completed 2 Day...

Page 11: ...al return to the Night mode will re initialize the Night mode timer to the latest value recorded which modifies the cycle in progress In all cases at the end of the 24 hour cycle the thermostat will r...

Page 12: ...egrees Celsius to the degrees Fahrenheit and conversely The degree Celsius or Fahrenheit symbol will be displayed 3 When the adjustment is completed release the buttons and wait for 5 seconds to exit...

Page 13: ...vate the Security mode start by cutting off the thermostat power at circuit breaker and wait at least 20 seconds 2 Turn the thermostat power back on and the icon will blink for a maximum of 5 minutes...

Page 14: ...the previous section Then you must press down the bottom button for 3 seconds until the icon blinks A duration in seconds will appear You can adjust it from 90 factory setting to 300 seconds by incre...

Page 15: ...minutes during which it is possible to deactivate the Security mode by pressing down both buttons simultaneously for 13 seconds If this is not done the Security mode will remain activated and the ico...

Page 16: ...ff a few minutes and then turns on again The thermal protection of the heating unit has opened due to overheating Check if the heating unit is in good condition of operation and that clearance around...

Page 17: ...V 260 W 208 V 300 W 240 V Maximum electrical current with a resistive load 10 4 A 1250 W 120 VAC 2160 W 208 VAC 2500 W 240 VAC Temperature display range 3 C 40 C 37 F 99 5 F Temperature display resol...

Page 18: ...in hand In order for the warranty to be valid the unit must have been installed and used according to instructions If the installer or the user modifies the unit he will be held responsible for any d...

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