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Summary of Contents for Synapse SE72
- Page 1 User’s guide “SE72” Heating floor programmable electronic thermostat For further information or to consult this guide on line, please visit our Web site. SYN-INT-E01...
- Page 2 Suitable for insulated walls. 1. Description The SE72 electronic thermostat can be used to control heat- ing floors with electrical current − with a resistive load − rang- ing from 0 A to 16 A at 120/208/240 VAC. It has an easy user interface and can manage up to four programming periods a day.
- Page 3 Ambient Mode (you only have to press down the A/F button to switch from one mode to the other): this control method is ideal when you want a stable ambient air temperature (without fluc- tuation). Usually, this mode is used in large and often occupied rooms where temperature variations can be uncomfortable.
- Page 4 • exposed directly to the light or heat of the Sun, a lamp, a fire place or any other heat source; • close or in front of an air outlet; • close to concealed ducts or a chimney; and • in a location with poor air flow (e.g. behind a door), or with frequent air drafts (e.g. head of stairs). Thermostat Mounting and Connection 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 and clear of any obstruction.
- Page 5 4. Align and secure the mounting base to the connection box 4. using the two screws supplied. 5. Route wires coming from the wall through the hole of the mounting base and make the required connections using the “Four-wire installation” figure, and using the supplied solder- less connectors. A pair of wires (black) must be connected to the power source (120-208-240 VAC) and another pair (yellow) must be connected to the heating cable (refer to the drawings displayed on the back of the thermostat). For connections with aluminum wires, you must use CO/ALR connectors. Please note that thermostat wires do not have polarity, meaning that any wire can be connected to the other.
- Page 6 6. Reinstall the front part of the thermostat on the mounting base and tighten the screw at the bottom of the unit. 7. Turn on the power. 8. Set the thermostat to the desired setting (see the following section). SYN-INT-E01...
- Page 7 3. Operation First Start-up At the first start-up, the thermostat is initially in the Man (man- ual) and Floor modes. The temperature is displayed in degrees Celsius and the standard factory set point adjustment is 21°C. The hour displays – -:- – and must be adjusted before switch- ing to the Auto or Pre Prog mode.
- Page 8 Temperature Set Points The figures displayed beside the word “SET” indicate the ambi- ent or the floor temperature set points. They can be displayed in degrees Celsius or Fahrenheit (see “Display in degrees Celsius/ Fahrenheit”). Out of any adjustment mode, press down the + button to in- crease the set point, or the –...
- Page 9 them using the + or - button and confirm your choice by pressing down the Mode or Day/Hr button. 4. The two figures indicating the minutes blink. You must adjust them using the + or – button and confirm your choice by pressing down the Mode or Day/Hr button. The adjustment is then completed and the thermostat returns to the previous mode. N.B. At any time, you can exit the adjustment mode of the day and the hour by pressing down the Exit button or by not pressing any button during 1 minute.
- Page 10 Manual Mode (Man) From the Manual mode, you can manually adjust the thermostat set point by pressing down the + or – buttons to increase the value, or to decrease it. Please note that if the backlight is off, the set point will not change when you press down these but- tons for the first time instead, the backlight will be activated.
- Page 11 From this mode, the screen displays the temperature, the set point, the hour, the day of the week and the current pro- grammed period number (1 to 4; as applicable). Programming Procedure of the Automatic Mode After programming a day of the week, you can copy this setting; see “Copy of the Programming”.
- Page 12 At any time, you can exit the programming mode using one of these 3 methods: 1- Press down the button of the day you are adjusting. 2- Press down the button of another day to program it. 3- Press down the Exit button. Moreover, if you do not press down any button for more than 1 minute, the thermostat will exit the Programming mode. In all cases, the programming is saved.
- Page 13 Copy of the Programming You can apply the programming of one day of the week to oth- er days by copying the programming day by day or in block. To copy the programming day by day, you must: 1. Press down the source day button (day to be copied). 2. Hold down this button and press down the destination days one by one. The screen displays the selected days. If an error occurs when you are choosing a day, press down the erroneous day again to cancel the selection.
- Page 14 Erasing of the Programming You must proceed as follows to erase a programming period. 1. Access the Programming mode as described previously by pressing down the button corresponding to the day to modify. Select the period to erase using the + or – button. 2. You do not have to press down the Mode button to confirm the selection. However, doing so will not impact on the erasing.
- Page 15 Choice of the Preprogramming You can only access the Preprogramming mode when the ther- mostat is out of any programming or adjustment function. Make sure to choose the preprogrammings corresponding to the right mode (Ambient /Floor, according to the attached tables). You must proceed as follows to access the Preprogramming mode: 1. Press down the Pre Prog button.
- Page 16 View of the Preprogramming The view of the selected preprogramming is made in a way sim- ilar to the Auto mode programming. However, it is impossible to modify the preprogramming. You must proceed as follows: 1. Press down the button corresponding to the day to view (buttons Mon to Sun). When the selected day is displayed, the SET icon and period number blink.
- Page 17 Sensor Selection If you want to use the SE72 thermostat of Synapse Electronic with a temperature sensor already installed in the floor (other than the sensor supplied with this thermostat), you must con- tact the Synapse Electronic customer service to validate the compatibility between the sensor and the thermostat.
- Page 18 The red indicator does not light up and the entire display blinks during 5 seconds. In this case, disconnect the heating system at the electrical panel and call Synapse’s customer service. Lock Option This mode imposes a maximum temperature set point which is impossible to exceed regardless of the mode in progress.
- Page 19 Lock Activation 1. Exit any adjustment mode to manually adjust the set point at the desired maximum value. 2. Simultaneously press down the + and - buttons during 10 seconds (note that after 3 seconds, the SET icon starts to blink and the software version and date are displayed. Continue to press down these buttons). 3. After 10 seconds, the Lock icon is displayed indicating that the Lock option is activated. Then, release the buttons. Lock Deactivation 1. To deactivate the lock option, cut off the power supply of the thermostat at the electrical panel and wait at least 30 seconds.
- Page 20 saved in the volatile memory and recovered when power is re- stored. Then, the thermostat enters a very low consumption mode and only displays the hour and day of the week. All the other functions are deactivated. The thermostat is self-sufficient for 2 hours. If the power fail- ure lasts less than 2 hours, the thermostat saves the adjustment of the hour.
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Page 21: Troubleshooting
4. Troubleshooting Problem Solution In normal operating conditions, the thermostat housing can reach nearly 40ºC The thermostat is hot. at maximum load. It is normal and will not affect the operation of the thermostat. Check if the thermostat is properly Heating is always on. connected. Refer to the installation section. Heating does not run Check if the thermostat is properly even if the thermostat connected and make sure the red indicator indicates it is on. is not lit. Refer to the installation section. Check if the thermostat is properly The display does not connected. Refer to the installation section. come on. Check the power supply at the electrical panel. The red indicator lights Contact customer service. up frequently. The displayed ambient Check the presence of an air stream or temperature is a heat source near the thermostat, and incorrect. correct the situation. The display indicates Faulty thermal sensor. Contact customer E1*, E2** or E3***. service. Possibility of a bad contact. Check Weak luminosity of the thermostat wirings. Refer to the installation display. -
Page 22: Technical Specifications
5. Technical specifications Supply voltage: 120/208/240 VAC, 50/60 Hz Maximum electrical current with a resistive load: 16 A 3840 W @ 240 VAC 3475 W @ 208 VAC 1920 W @ 120 VAC Range of temperature: 1 °C to 35°C (34 °F to 95°F) Temperature display resolution: 1 °C (1 °F) Range of the temperature set points:... - Page 23 Appendix 1 (Preprogramming booklet) Standard preprogrammings (0 to 9) FLOOR AMBIENT Week schedule beginning at 6h00AM Night programming - 8 hours of sleep Week Week-End Week Week-End N° N° pre-prog pre-prog 10pm 10pm 10pm 10pm 24° 20° 24° 20° 20° 16°...
- Page 24 Advanced preprogrammings (A0 to Z1) Night programming - 6 hours of sleep Week schedule beginning at 6h00 AM FLOOR AMBIENT Week Week-End Week Week-End N° N° pre-prog pre-prog 6am 12am * 6am 12am * 6am 12am * 6am 12am * 22° 18° 22° 18° 18°...
- Page 25 Advanced preprogrammings (A0 to Z1) Night programming - 6 hours of sleep Week schedule beginning at 7h00 AM FLOOR AMBIENT Week Week-End Week Week-End N° N° pre-prog pre-prog 1am * 1am * 1am * 1am * 22° 18° 22° 18° 18° 14° 18° 14° 23°...
- Page 26 Advanced preprogrammings (A0 to Z1) Night programming - 6 hours of sleep Week schedule beginning at 8h00 AM FLOOR AMBIENT Week Week-End Week Week-End N° N° pre-prog pre-prog 2am * 2am * 2am * 2am * 22° 18° 22° 18° 18° 14° 18° 14° 23°...
- Page 27 Advanced preprogrammings (A0 to Z1) Night programming - 7 hours of sleep Week schedule beginning at 6h00 AM FLOOR AMBIENT Week Week-End Week Week-End N° N° pre-prog pre-prog 11pm 11pm 11pm 11pm 22° 18° 22° 18° 18° 14° 18° 14° 23°...
- Page 28 Advanced preprogrammings (A0 to Z1) Night programming - 7 hours of sleep Week schedule beginning at 7h00 AM FLOOR AMBIENT Week Week-End Week Week-End N° N° pre-prog pre-prog 7am 12am * 7am 12am * 7am 12am * 7am 12am * 22° 18° 22° 18° 18°...
- Page 29 Advanced preprogrammings (A0 to Z1) Night programming - 7 hours of sleep Week schedule beginning at 8h00 AM FLOOR AMBIENT Week Week-End Week Week-End N° N° pre-prog pre-prog 1am * 1am * 1am * 1am * 22° 18° 22° 18° 18° 14° 18° 14° 23°...
- Page 30 Advanced preprogrammings (A0 to Z1) Night programming - 8 hours of sleep Week schedule beginning at 6h00 AM FLOOR AMBIENT Week Week-End Week Week-End N° N° pre-prog pre-prog 10pm 10pm 10pm 10pm 22° 18° 22° 18° 18° 14° 18° 14° 23°...
- Page 31 Advanced preprogrammings (A0 to Z1) Night programming - 8 hours of sleep Week schedule beginning at 7h00 AM FLOOR AMBIENT Week Week-End Week Week-End N° N° pre-prog pre-prog 11pm 11pm 11pm 11pm 22° 18° 22° 18° 18° 14° 18° 14° 23°...
- Page 32 Advanced preprogrammings (A0 to Z1) Night programming - 8 hours of sleep Week schedule beginning at 8h00 AM FLOOR AMBIENT Week Week-End Week Week-End N° N° pre-prog pre-prog 8am 12am * 8am 12am * 8am 12am * 8am 12am * 22° 18° 22° 18° 18°...
- Page 33 Advanced preprogrammings (A0 to Z1) Night programming - 9 hours of sleep Week schedule beginning at 6h00 AM FLOOR AMBIENT Week Week-End Week Week-End N° N° pre-prog pre-prog 11pm 11pm 22° 18° 22° 18° 18° 14° 18° 14° 23° 19° 23°...
- Page 34 Advanced preprogrammings (A0 to Z1) Night programming - 9 hours of sleep Week schedule beginning at 7h00 AM FLOOR AMBIENT Week Week-End Week Week-End N° N° pre-prog pre-prog 10pm 11pm 10pm 11pm 22° 18° 22° 18° 18° 14° 18° 14° 23°...
- Page 35 Advanced preprogrammings (A0 to Z1) Night programming - 9 hours of sleep Week schedule beginning at 8h00 AM FLOOR AMBIENT Week Week-End Week Week-End N° N° pre-prog pre-prog 11pm 11pm 11pm 11pm 22° 18° 22° 18° 18° 14° 18° 14° 23°...
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Page 36: Limited Warranty
Customer service Your distributor : ThermoSoft 310 Lexington Drive Buffalo Grove, IL 60089 Made by : Synapse Electronique 1010 7 Avenue Grand-Mère QC G9T 2B8 Canada SYN-INT-E01...
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Questions and answers
I **** troubleshooting my Synapse model SE72PW5 floor heater. The floor temp shows 99F but it is not on. I checked the resistance for the elements and it shows 1.5k ohms.
The issue could be a faulty floor temperature sensor. A reading of 99°F when the heater is off suggests that the sensor may be providing incorrect temperature data. This would prevent the thermostat from activating the heater, as it believes the floor is already warm. Additionally, ensure that the sensor is properly connected and not damaged. The heater's resistance reading of 1.5k ohms appears normal, so the heating elements themselves are likely not the problem.
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