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11.4  Sensor not connected

The device has the ability to detect when there is no sensor connected 
or when the sensor is broken and causes an open circuit.
When the device detects the sensor error, the device will:
•  Set the relay to OFF
•  Blink red and green from the LED
•  Send a temperature report of 124°C
To clear the “Sensor not connected” error the device has to be 
disconnected from the mains, and the wiring and sensor needs to be 
checked. When the fault is resolved the mains can be reconnected and 
the device will function normally again.

12. CALIBRATION

Parameter 6 allows you to calibrate the temperature displayed in the 
controller/gateway and what the thermostat uses for regulation. If 
the temperature sensor readout is not correct, you can make minor 
changes to the temperature readout. You can calibrate the measured 
temperature by ±6°C degrees.

13. LED BLINKING PATTERNS DESCRIPTION

The device supports numerous LED blinking patterns to make it as 
easy as possible to identify what the device is doing.

Error code

Error status on device: 
Alternating red and green blinking 
pattern (100ms duration) for 5 
seconds. 

200ms

0s

1s

2s

3s

4s

5s

400ms 800ms 1000ms

600ms 900ms

Device Not in Network

The LED will flash red when the de-
vice is not added to a Z-Wave network

0s 1s 2s 3s 4s 5s

Device Status 

On: Green 
Off: Red
When the device is in OFF Mode, LEDs 
will be off.

Add/Remove

When device enters add/remove 
mode the LED will flash green.

If successful, the LED will light up in 
green for 3 seconds.
If unsuccessful, the LED will light up in 
red for 3 seconds.

0s

1s

2s

3s

xs

x+3s

Success

Fail

14. QR-CODE PLACEMENT (DSK)

The QR-Code is needed when including a device using S2 security or 
SmartStart. The DSK can be found in the QR-Code and is located;
•  On the product.
•  On the Quick Guide manual. 
•  On the product box.

15. SECURITY

S2 security enhances Z-Wave Plus with an additional layer of AES 
128-bit encryption of the wireless Z-Wave communication to prevent 
hacking and man-in-middle attacks on the home network. This device 
supports S2 and has a Z-Wave DSK QR-Code label that may be used 
when the module is added to the Z-Wave home network. The primary 
controller will ask for a 5-digit code, which can be found underneath 

0s

1s

2s

3s

4s

5s

0s

1s

2s

3s

4s

5s

the QR-Code. The primary controller will then ask you to confirm the 
rest of the code that is contained in the QR-Code. 

16. NODE INFORMATION FRAME

The node information frame is the ”business card” of a Z-Wave device. 
It contains information about the device type and its technical features.
The add and remove procedure of the device is confirmed by sending 
out a node information frame. Besides this, it may be necessary for 
certain network operations to send out a node information frame.

17. ASSOCIATIONS

Z-Wave devices interact with other Z-Wave devices. The relationship 
between one device controlling another device is called an association. 
In order to control a subordinate device, the controlling device needs 
to maintain a list of devices that will receive controlling commands. 
These lists are called ”Association Groups”. They are always related to 
the specific event triggered (e.g., sensor reports). In case the event is 
triggered, all devices stored in the respective association group will 
receive a joint wireless command.

17.1  Setting and removing associations

Associations may be assigned and removed via Z-Wave commands. 
Please refer to your primary controller/Z-Wave gateway for more 
information.

17.2  Association groups

RELAY DEVICE

THE MAIN DEVICE

Group 1 

Lifeline

Lifeline. (Normally used by the Z-Wave Controller) Sends:
- Device Reset Notifications.
- Thermostat Setpoint Reports.
- Thermostat Mode Reports.
- Thermostat Operating State.
- Sensor Multilevel Report.
- Meter report.
- Basic report.
- Indicator report.

Max. nodes in group: 5

Group 2

External Control

Send Binary Switch set commands representing the 
status of the internal relay.
(0x00, 0xFF) ON/OFF

Max. nodes in group: 5

18. CONFIGURATION PARAMETERS  

Z-Wave products are supposed to work out of the box after inclusion. 
Some device configuration may, however, alter the functionality to 
better serve user needs or unlock further enhanced features. All the 
parameters below do not feature altering capabilities, advanced or 
read only flag.

Parameter 1, Parameter size 1. Operating mode.

Sets the thermostat mode.

NO
#

PARA
SIZE 
(BYTE)

NAME

SHORT
DESCRIPTION /
COMMENT

  
MIN

  MAX

DE-
FAULT

DESCRIPTION 
OF VALUE

1

1

Operating 
mode

Sets the thermo-
stat mode

0

1

OFF  
Thermostat will 
not operate

1

Heating Thermo-
stat is in heating 
mode

2

Cooling 
Thermostat is in 
cooling mode

Summary of Contents for ZM 16A

Page 1: ...he primary controller of the Z Wave network 4 QUICK START 1 Switch off the mains supply disable the fuse 2 Open the wall box 3 Connect the wires according to the description in Chapter 5 Installation 4 After verifying the connections switch the mains supply back on 5 Set the primary controller in add mode security non security 6 Press the configuration button 3 times in rapid succession 7 The devi...

Page 2: ...emperature readings retrieved from the sensor to regulate heating When you have chosen a setpoint temperature the thermostat will use an internal hysteresis to regulate the temperature 10 HYSTERESIS You can make changes to the thermostat hysteresis You may change the hysteresis from between 0 3 C and 3 0 C using parameter 2 The default setting is 0 5 C When using water based heating the recommende...

Page 3: ...5 digit code which can be found underneath 0s 1s 2s 3s 4s 5s 0s 1s 2s 3s 4s 5s the QR Code The primary controller will then ask you to confirm the rest of the code that is contained in the QR Code 16 NODE INFORMATION FRAME The node information frame is the business card of a Z Wave device It contains information about the device type and its technical features The add and remove procedure of the d...

Page 4: ...thermostat 50 400 400 40 C 5 0 C to 40 0 C 5 2 Ther mostat setpoint Decides the ther mostat setpoint 50 400 210 21 C 5 0 C to 40 0 C 6 1 Sensor calibration Manually calibrates the sensor by 6 C 60 60 0 6 0 C to 6 0 C Calibrates the sensor by 6 C NB To set a negative value use 256 and subtract the desired value 7 2 Tempera ture report interval Sets time interval between consecutive temperature repo...

Page 5: ...tit ZM Thermostat 16A Grey RAL 6015 EU 868 4MHz PRODUCT INFO Heatit ZM Thermostat 16A FEATURES Z Wave thermostat for in wall installations 16A 3600W NTC 10 sensor SmartStart Firmware update OTA Power Metering Supports encryption modes S0 S2 Authenticated Class S2 Unauthenticated Class This product is a security enabled Z Wave Plus product with encryption The product must be used with a security en...

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