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Summary of Contents for Stelpro STZW402+
- Page 1 USER’S GUIDE STZW402+ ELECTRONIC THERMOSTAT FOR THE SMART HOME For further information or to consult this guide online, please visit our website at www.stelpro.com 040D05A_INSSTZW402+1215...
- Page 2 WARNING Before installing and operating this product, the owner 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.
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Page 3: Installation
DESCRIPTION This thermostat is designed to control baseboard and convector heaters. It may be added (included) in a Z-Wave network. This thermostat is NOT compatible with the following installations • Inductive load • Central Heating System • Fan-forced heater (unit containing motor and fan) •... - Page 4 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. If an existing thermostat is being replaced, remove the previous thermostat. 3. Ensure that the air vents of the Ki thermostat are clean and clear of any obstruction. 4.
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Page 5: Wire Installation
6. Pass the wires from the wall through the hole at the base of the mounting base and connect 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 have polarity. - Page 6 7. Place all the wires into the connection box. 8. Align the little slots located on the top of the thermostat with those on the the mounting base and secure the thermostat to the mounting base. Note that you can also position the thermostat on the left or the right side of the junction box (see the illustrations below).
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Page 7: Operation
OPERATION Ambient temperature Z-Wave connectivity Heating status Lock mode Frost-free Advanced settings Thermostat mode Set point temperature OR Outdoor temperature (requires external sensor over Z-Wave) 040D05A_INSSTZW402+1215... -
Page 8: Thermostat Mode
Ambient temperature The temperature is displayed either in °C with a 0.5°C resolution or in °F with a 1°F resolution. The screen will display LO if the temperature drops below 0°C (32°F) and will display HI if the temperature rises above 50°C (122°F). Temperature set points The set point may be edited by the user using the UP and DOWN buttons located on the thermostat. -
Page 9: Advanced Settings
CROSS REFERENCE TABLE Z-Wave protocol Comfort Heat (1) Eco ( Energy Save Heat (11) Z-Wave connectivity If the thermostat is added (Included) to a Z-Wave network, the connectivity icon will be displayed on the LCD, if the device is removed (Excluded) from a Z-Wave network, the connectivity icon will disappear. - Page 10 6. °STELPRO information menu: used to gain information on the product - Version - Date of production (mm/dd) - Year of production - Z-Wave Node Id - Baseboard/convector control checksum - Reset to default Modification of the settings: - To gain access to the advanced settings root menu, press the UP and DOWN buttons simultaneously for 3 seconds.
- Page 11 Exclusion: Make sure the Z-Wave hub is in the exclude mode (Refer to your Z-Wave hub instruction manual). To remove (exclude) the thermostat from a Z-Wave network, enter the Menu1 (Z-Wave menu) and select “Off”. Then press the UP and DOWN buttons to start the exclusion process. During exclusion, “Off”...
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Page 12: Factory Reset
To reset the thermostat to its default state: - Enter the advanced settings - Enter the °STELPRO menu (menu 6) - Navigate to the “def” screen using the UP or DOWN buttons. - Enter the “def” menu by pressing the UP and DOWN buttons for less than 3 seconds - Select “yes”... - Page 13 TROUBLESHOOTING PROBLEM CODE DEFINITION Temperature is below 0°C (32°F), heating will be always active Temperature is above 50°C (122°F), heating will be always inactive Temperature sensor is defective, heating will always be inactive. Call tech support. The connection could not be established with the Z-wave network. Make sure the thermostat is within range of the Z-Wave controller or a Z-Wave repeater and make sure the Z-Wave controller is in Inclusion or Exclusion mode.
- Page 14 PROBLEM SOLUTION • In normal operating conditions, the thermostat housing can reach nearly 55°C (131°F) at maximum load. That The thermostat is hot is normal and will not affect the effective operation of the thermostat. • Check if the thermostat is properly connected. Refer to Heating is always on the installation section.
- Page 15 TECHNICAL SPECIFICATIONS Supply voltage 120/240 VAC, 50/60 Hz Minimum current with resistive load 1.25 A 300 W @ 240 VAC 150 W @ 120 VAC Maximum current with resistive load 16.7 A 4000 W @ 240 VAC 2000 W @ 120 VAC Temperature display range 0°C to 50°C (32°F to 122°F) Temperature display resolution...
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Page 16: Limited Warranty
The warranty is limited to the factory repair or the replacement of the unit, and does not cover the cost of disconnection, transport, and installation. E-mail: contact@stelpro.com Website: www.stelpro.com STELPRO | Saint-Bruno-de-Montarville | Quebec | J3V 6L7 040D05A_INSSTZW402+1215...
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