stelpro STZW402 ELECTRONIC THERMOSTAT SMART HOME User Guide

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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+0622  

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General	Details
Name	stelpro STZW402 ELECTRONIC THERMOSTAT SMART HOME User Guide
Make	StelPro
Language	English
Filetype	PDF (Download)
File size	0.41 MB

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• ALL THERMOSTAT INSTRUCTIONS & USER MANUALS
• StelPro

stelpro STZW402 ELECTRONIC THERMOSTAT SMART HOME User Guide Overview

Summary of Contents

• Page 1: User's guide for STZW402+ electronic thermostat for the smart home. For further information or to consult this guide online, please visit our website.
• 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. The following instructions must be adhered to in order to avoid bodily harm or property damages, serious injuries and potentially fatal electric shocks. All electric connections must be made by a qualified electrician, according to the electric and building codes effective in your region. Do NOT connect this product to a supply source other than 120 VAC or 240 VAC, and do not exceed the load limits specified. You must regularly clean dirt accumulations on the thermostat. Do NOT use fluid to clean thermostat air vent. Do not install thermostat in a wet place. However, installing it in insulated walls is allowed. When a part of the product specification must be changed to improve operability or other functions, priority is given to the product specification itself. The actual product and packaging, as well as the name and illustration, may differ from the manual.
• Page 3: This thermostat is designed to control baseboard, convector and fan-forced heaters. It may be added in a Z-Wave network. This thermostat is not compatible with inductive load, central heating systems, or heating loads outside the specified ratings. The thermostat must be mounted to a connection box on a wall facing the heating unit, at around 1.5 m above the floor level. Do not install the thermostat in locations where temperature measurements could be altered, such as close to windows, external walls, doors leading outside, or near heat sources.
• Page 4: Thermostat mounting and connection Cut off power supply on lead wires at the electrical panel to avoid any risk of electric shock. If an existing thermostat is being replaced, remove the previous thermostat. Ensure that the air vents of the Ki thermostat are clean and clear of any obstruction. Using a screwdriver, loosen the screw retaining the mounting base of the thermostat. Remove the mounting base at the back of the thermostat by tilting it downward, then towards you. Align and secure the mounting base to the connection box using the two screws supplied.
• Page 5: Pass the wires from the wall through the hole at the base of the mounting base and connect them using the solderless connectors supplied. When making the connection with aluminum wire, make sure that you are using connectors identified CO/ALR. The thermostat wires do not have polarity. Therefore, the way they are connected is not important. 2-wire installation 4-wire installation
• Page 6: Place all the wires into the connection box. Align the little slots located on the top of the thermostat with those on the mounting base and secure the thermostat to the mounting base. You can also position the thermostat on the left or the right side of the junction box. Tighten the screw at the bottom of the unit. Turn the power on.
• Page 7: Operation Ambient temperature Z-Wave connectivity Heating status Lock mode Fan mode Frost warning Advanced settings Thermostat mode Set point temperature or outdoor temperature (requires external sensor over Z-Wave)
• Page 8: Ambient temperature is displayed in °C or °F with specific resolutions. The screen shows LO for temperatures below 0 °C (32 °F) and HI for temperatures above 50 °C (122 °F). Users can edit the temperature setpoint using UP and DOWN buttons or through the Z-Wave network. The minimum setpoint is 5 °C (41 °F) and the maximum is 30 °C (86 °F). A frost warning icon appears if the setpoint is at 7 °C (45 °F) or below. The heating power indicator shows the heating percentage with a bar graph. The thermostat has three modes: Comfort, Eco, and Off, each with preestablished setpoints. The Comfort mode is set at 21 °C (70 °F) and Eco mode at 17 °C (63 °F). The Eco mode setpoint cannot be edited through the Z-Wave network. Even in Off mode, the thermostat remains powered, and caution is advised when cleaning or removing it.
• Page 9: When in Off mode, the thermostat will not activate the heating element, therefore there is a risk of freezing. The thermostat has two heating modes: Baseboard/convector heater and Fan-forced heater. The Baseboard/convector heater mode will drive the load with a 15-second cycle while the Fan-forced heater mode will drive the load with a 5-minute cycle. If the thermostat is added to a Z-Wave network, the connectivity icon will be displayed on the LCD. There are 7 advanced settings menus on the thermostat. The Z-Wave menu is used to add or remove the thermostat from a Z-Wave network. The display format is used to switch the temperature format between °C and °F. The lock mode is used to lock the thermostat to prevent unauthorized tampering. The outdoor temperature display can be switched on or off when available. The backlight status while idle can be set to different intensities based on inactivity.
• Page 10: STELPRO information menu: used to gain information on the product. Version, date of production, year of production, Z-Wave Node Id, baseboard/convector control checksum, fan-forced heater control checksum, reset to default. To gain access to the advanced settings root menu, press the UP and DOWN buttons simultaneously for 3 seconds. Each setting (1 to 7) may be accessed by using the UP and DOWN buttons. To edit a value, choose a setting then simultaneously press the UP and DOWN buttons once. Confirm your choice by pressing the UP and DOWN buttons simultaneously one time. To exit the advanced settings press the UP and DOWN buttons simultaneously for 3 seconds at any time. Make sure the Z-Wave hub is in the include mode to add the thermostat to a Z-Wave network. To remove the thermostat from a Z-Wave network, enter Menu 1 (Z-Wave menu) and select (Off).
• Page 11: The connectivity icon will be animated in a decreasing pattern during the exclusion process. When the process is complete, (Off) will be displayed solid. If an error occurs, (Err) will be displayed for 3 seconds. To achieve better network performance, it is recommended to add Z-Wave devices starting from the closest one to the farthest one. The thermostat may be manually reset to its original factory settings, removing it from the Z-Wave network. To reset the thermostat to its default settings, enter the advanced settings and navigate to the (def) screen. Select (yes) to confirm the reset selection. If the thermostat was included in a Z-Wave network, it will send a (device reset locally) notification. In the event of a power outage, the thermostat will stop working but all configuration is saved. When connected to a Z-Wave network, the thermostat may display the outdoor temperature provided by an external sensor. The outdoor temperature is displayed instead of the setpoint if the outdoor temperature display setting is set to (On). If no temperature is received within a 4-hour timeframe, the outdoor temperature will disappear and the setpoint will be displayed.
• Page 12: In order to display the outdoor temperature, an external sensor needs to be part of the Z-Wave network. It may be a physical sensor or a weather station app. Refer to your Z-Wave hub controller instructions manual to find how to associate both devices. Troubleshooting 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. 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. Secondary temperature sensor is defective. The thermostat will still control the temperature but performance may be diminished. Consider replacing the thermostat.
• Page 13: Problem: The thermostat is hot. Solution: In normal operating conditions, the thermostat housing may become hot at maximum load. That is normal and will not affect the effective operation of the thermostat. Problem: Heating is always on. Solution: Check if the thermostat is properly connected. Refer to the installation section. Problem: Heating does not run even if the thermostat indicates it is on. Solution: Check if the thermostat is properly connected. Refer to the installation section. Problem: The display does not turn on. Solution: Check the power supply at the electrical panel. Check if the heating unit has a switch. If so, ensure that this switch is turned on. Problem: The display turns off a few minutes and then turns on again. Solution: The thermal protection of the heating unit has opened due to overheating. Check if the heating unit is in good operating condition and that clearance around the appliance is according to the manufacturer’s specifications. Problem: The displayed ambient temperature is incorrect. Solution: Check the presence of an air stream or a heat source near the thermostat, and correct the situation. Problem: Fan-forced heater is cycling ON and OFF frequently. Solution: Make sure the heating mode is set to Fan. Make sure the thermostat is properly associated with the Z-Wave controller. Problem: The connectivity icon is blinking on the main screen. Solution: Setpoint and mode cannot be changed. The thermostat is locked, turn OFF the lock mode. Note: If you are unable to solve the problem after having verified these points, please communicate with customer service.
• Page 14: Technical specifications Supply voltage: 120/240 VAC, 50/60 Hz Minimum current with resistive load: 1.25 A Maximum current with resistive load: 16.7 A Temperature display range: 0 °C to 50 °C (32 °F to 122 °F) Temperature display resolution: 0.5 °C (1 °F) Temperature setpoint range: 5 °C to 30 °C (41 °F to 86 °F) Temperature setpoint increment: 0.5 °C (1 °F) Storage temperature: -50 °C to 50 °C (-58 °F to 122 °F) Operating temperature: -20 °C to 50 °C (-4 °F to 122 °F)
• Page 15: Z-Wave interoperability This product can be included and operated in any Z-Wave network with other Z-Wave certified devices from other manufacturers and/or other applications. Z-Wave Association The Z-Wave Association Command Class is supported by the thermostat. The following reports are sent via the Lifeline: - Basic Report - Device Reset Locally Notification - Thermostat Mode Report - Thermostat Setpoint Report - Sensor Multilevel Report - Thermostat Operating State Report Z-Wave Basic command class The Z-Wave Basic command class is supported by the thermostat in the following way: To trigger the Eco mode on the thermostat: send it a Basic SET (0x00) command. To trigger the Comfort mode on the thermostat: send it a Basic SET (0xFF) command. If a setpoint change is sent through the Z-Wave network, the thermostat mode will automatically switch to Comfort mode.
• Page 16: Limited warranty This unit has a 3-year warranty. If at any time during this period the unit becomes defective, it must be returned to its place of purchase with the invoice copy, or simply contact our customer service department (with an invoice copy 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 damage resulting from this modification. 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.