User`s gUide - Z

User`s gUide - Z
User’s guide
STZW402+
TÈME QUAL
ITÉ
SYS
For further information or to consult this guide online, please visit our website at www.stelpro.com
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Electronic Thermostat for the Smart Home
040D05A_INSSTZW402+0416
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. Moreover, the following instructions must be adhered
to in order to avoid personal injuries 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. Protect the heating system with the appropriate circuit
breaker or fuse. 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 isolated walls is allowed.
Note: When a part of the product specification must be changed to improve operability or other
functions, priority is given to the product specification itself. In such instances, the instruction
manual may not entirely match all the functions of the actual product.
Therefore, the actual product and packaging, as well as the name and illustration, may differ from
the manual.
The screen/LCD display shown as an example in this manual may be different from the actual
screen/LCD display.
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Description
This thermostat is designed to control baseboard, convector and fan-forced 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
• Heating load outside the specified ratings (refer to the Technical Specifications section)
Parts supplied
•
•
•
•
ne (1) thermostat
o
one (1) wall mounting plate located at the back of the thermostat
two (2) mounting screws
two (2) solderless connectors suitable for copper wires
Installation
Selection of the thermostat location
The thermostat must be mounted to a connection box on a wall facing the heating unit, at around 1.5 m
(5 feet) above the floor level, on a section of the wall exempt from pipes or air ducts.
Do not install the thermostat in a location where temperature measurements could be altered. For
example:
• close to a window, on an external wall, or close to a door leading outside
• exposed directly to the light or heat of the sun, a lamp, a fireplace or any other heat source
• close to or in front of an air outlet
• close to concealed ducts or a chimney
• in a location with poor air flow (e.g. behind a door) or with frequent air drafts (e.g. head of stairs)
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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. 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. Using a screwdriver, loosen the screw retaining the mounting base of the thermostat (do not
completely remove the screw).
Then, remove the mounting base at the back of the thermostat by tilting it downward, then towards you.
5. Align and secure the mounting base to the connection box using the two screws supplied.
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6. 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. Please note that the thermostat
wires do not have polarity. Therefore, the way they are connected is not important.
2-wire installation
4-wire installation
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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 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 below). Then tighten the screw at the bottom of
the unit.
Alignment
9. Turn the power on.
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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)
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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.
The set point may also be modified through the Z-Wave network.
The minimum set point is 5 °C (41 °F) and the maximum set point is 30 °C (86 °F).
NOTE: if the set point is set at 7 °C (45 °F) or below, the frost warning icon will be displayed to
warn the user that water pipes might be subject to freezing.
Heating power indicator
Whenever the thermostat is actively heating the room, the heating status graph will display the
heating percentage.
No bar: 0%
1 bar: 1-25%
2 bars: 26-50%
3 bars: 51-75%
4 bars: 76-100%
Thermostat mode
The thermostat has three modes: Comfort, Eco and Off. The first two modes have their own set
): 17 °C (63 °F).
point pre-set. Comfort: 21 °C (70 °F), Eco (
The user may change the set point to any value in the range described in the set point section.
) is displayed on the LCD. When the Off mode is
When the Eco mode is active, the Eco icon (
active, the frost warning icon is displayed on the LCD.
The thermostat mode may be changed locally on the thermostat by pressing the UP and DOWN
buttons simultaneously for less than 3 seconds while on the main screen. The Eco set point is local
to the thermostat and cannot be edited through the Z-Wave network.
, the thermostat is still powered and electric shock is still possible.
Note 1: Even in Off mode
Always cut off the power supply when cleaning or removing the thermostat.
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Note 2: When in Off mode, the thermostat will not activate the heating element, therefore there
is a risk of freezing.
Heating mode
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.
is displayed on the thermostat.
When the Fan-forced heater mode is selected, the fan icon
Z-Wave connectivity
If the thermostat is added (Included) to a Z-Wave network, the connectivity icon will be displayed on the
will disappear.
LCD, if the device is removed (Excluded) from a Z-Wave network, the connectivity icon
may blink if there is an issue with the Z-Wave radio circuit.
The connectivity icon
Advanced settings (
)
There are 7 advanced settings menus on the thermostat.
The advanced settings are the following:
1. Z-Wave menu : used to add (include) or remove (exclude) the thermostat from a Z-Wave
network
2. Display format: used to switch the temperature format between °C and °F
: used to switch the heating mode between Baseboard/convector and Fan3. Heating mode
forced heaters
: used to lock the thermostat to prevent unauthorized tampering.
4. Lock mode
: used to switch the outdoor temperature display on or off
5. Outdoor temperature display
(when available). When set to (On), the outdoor temperature will be displayed if it’s available.
When set to (Off), the outdoor temperature will not be displayed and set point will always be
displayed.
while idle: used to set the backlight intensity when the thermostat is idle.
6. Backlight status
0%: the backlight will turn off after 15 seconds of inactivity
50%: the backlight will dimmed to 50% after 15 seconds of inactivity
100%: the backlight will always be at full intensity
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7. °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
- Fan-forced heater 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.
- At this point 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.
Press the UP or DOWN button to edit the value.
- Confirm your choice by pressing the UP and DOWN buttons simultaneously one time at which
point the icon will momentarily flash rapidly if a change has been made.
- To exit the advanced settings press the UP and DOWN buttons simultaneously for 3 seconds at
any time. If the thermostat is left idle it will revert back to the main screen after 30 seconds
Z-Wave inclusion/exclusion ( )
Inclusion:
Make sure the Z-Wave hub is in the include mode (refer to your Z-Wave hub instruction manual).
To add (include) the thermostat to a Z-Wave network, enter the Menu 1 (Z-Wave menu) and select
(On). Then press the UP and DOWN buttons to start the inclusion process. During inclusion, (On)
will be animated in an increasing pattern. When the
will be blinking and the connectivity icon
inclusion process has been completed, (On) will be displayed solid. If an error occurs, (Err) will be
displayed for 3 seconds then the screen will revert to (Off) selection.
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,
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(Off) will be blinking and the connectivity icon
will be animated in an decreasing pattern. When
the exclusion process is complete, (Off) will be displayed solid. If an error occurs, (Err) will be
displayed for 3 seconds then the screen will revert to (On) selection.
To achieve better network performance, it is recommended to always add (include) your Z-Wave
devices starting from the closest one to the farthest one.
Factory Reset
The thermostat may be manually reset to its original factory settings.
When this is performed, all parameters are reset to their default values and the thermostat is
removed (Excluded) from the Z-Wave network.
To reset the thermostat to its default settings:
- Enter the advanced settings
- Enter the °STELPRO menu (menu 7)
- 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) and confirm the selection by pressing the UP and DOWN buttons for less than 3 seconds.
If the thermostat was added (included) in a Z-Wave network, it will send a (device reset locally)
notification.
The thermostat will then reset itself.
Please use this procedure only when the network primary controller is missing or otherwise
inoperable.
Power Outage
If a power outage occurs, the thermostat will stop working but all configuration is saved.
Outdoor Temperature ( )
When connected to a Z-Wave network, the thermostat may display the outdoor temperature
provided by an external sensor.
When available, the outdoor temperature is displayed instead of the set point, providing that the
outdoor temperature display setting is set to (On).
If no temperature is received within a 4 hours timeframe, the outdoor temperature will disappear
and the set point will be displayed.
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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. On
some Z-Wave hub controllers, an app may be used to provide the outdoor temperature.
troubleshooting
Problem code
DEfinition
LO
Temperature is below 0 °C (32 °F), heating will be always active
HI
Temperature is above 50 °C (122 °F), heating will be always
inactive
--
Temperature sensor is defective, heating will always be inactive.
Call technical support.
Err
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.
E1
Secondary temperature sensor is defective. The thermostat will
still control the temperature but performance may be diminished.
Consider replacing the thermostat.
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Problem
solution
The displayed ambient
temperature is incorrect
• 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.
• Check if the thermostat is properly connected. Refer to
the installation section.
• C
heck if the thermostat is properly connected. Refer to
the installation section.
• C
heck if the thermostat is properly connected. Refer to
the installation section.
• 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.
• 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
the appliance is according to the manufacturer’s
specifications.
• C
heck the presence of an air stream or a heat source
near the thermostat, and correct the situation.
Fan-forced heater is cycling ON
and OFF frequently
• M
ake sure the heating mode is set to Fan
The thermostat is hot
Heating is always on
Heating does not run even if the
thermostat indicates it is on
The display does not turn on
The display turns off a few
minutes and then turns on again
The connectivity icon
is
blinking on the main screen
Setpoint and mode cannot be
changed
• M
ake sure the thermostat is properly associated with
the Z-Wave controller.
• The thermostat is locked, turn OFF the lock mode
N.B. If you are unable to solve the problem after having verified these points, please communicate
with our customer service. Consult our website for contact information.
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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
0.5 °C (1 °F)
Temperature set point range
5 °C to 30 °C (41 °F to 86 °F)
Temperature set point increment
0.5 °C (1 °F)
Storage temperature
-50 °C to 50 °C (-58 °F to 122 °F)
Operating temperature (LCD performance might diminish below 0 °C (32 °F))
-20 °C to 50 °C (-4 °F to 122 °F)
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Z-Wave technical Information
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. All non-battery operated nodes within
the network will act as repeaters regardless of vendor to increase reliability of the network.
Z-Wave Association
The Z-Wave Association Command Class is supported by the thermostat.
The thermostat supports the lifeline as Group1 and only one Node Id is supported in this group (the
Z-Wave controller).
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 (Energy saving mode)
To trigger the Comfort mode on the thermostat: send it a Basic SET (0xFF) command (Comfort mode)
If a set point change is sent through the Z-Wave network, the thermostat mode will automatically
switch to Comfort mode. The Z-Wave modes are described in the following table:
Ki
Comfort
Eco (
)
Off ( )
Cross Reference table
Z-Wave protocol
Heat (1)
Energy Save Heat (11)
Off (0)
Note: Each time the inclusion or exclusion process is started, the thermostat will send a “Node
Information Frame”
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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.
E-mail: [email protected]
Website: www.stelpro.com
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Stelpro | Saint-Bruno-de-Montarville | Quebec | J3V 6L7
040D05A_INSSTZW402+0416
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