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1.  INTRODUCTION

Heatit Z-TRM3 is an electronic thermostat for electrical floor heating, 
designed to be mounted in a standard flush box. The thermostat has 
a built-in Z-Wave chip that can be connected with Home Automation 
systems. Heatit Z-TRM3 is equipped with a single-pole relay and fits
into System 55 frames. The thermostat can withstand a load of max  
16A /3600W at 230V. The thermostat may be used for water based 
heating if the thermostat is linked to the Heatit Z-Water.

NB!

 If the sensor mode is changed to A or AF mode then a room 

sensor compensation process will start, which limits maximum power 
output to 75%. The thermostat adapts to the environment within a 
few days. No internal sensor calibration should be performed during
the first few days.

2.  STATEMENT REGARDING PRODUCTS FROM MULTIPLE  

 

 MANUFACTURERS

Please read this before installation

This device may be used with all devices certified with the Z-Wave Plus™ 
certificate and should be compatible with such devices produced by 
other manufacturers. Every primary controller is different depending on 
the manufacturer, their target consumer and intended use/application. 
Please review the functionalities implemented by the primary controller 
you intend to use with our Z-Wave Plus certified device to ensure that it 
provides the necessary controls to take full advantage of our product’s 
capabilities.

3.  BEHAVIOR WITHIN THE Z-WAVE NETWORK

This device may be operated within any Z-Wave network with 
Z-Wave-certified devices from other manufacturers. All non-battery 
operated nodes within the network will act as repeaters regardless of 
manufacturer to increase the reliability of the network. On delivery, the 
device does not belong to any Z-Wave network. The device needs to be 
added to an existing network to communicate with the other devices 
within it. Devices may also be removed from a network. The add/remove 
processes are initiated by the primary controller of the Z-Wave network.

The primary controller has a mode for adding or removing devices. 
Please refer to your primary controller manual on how to set the 
primary controller in add/remove mode. The device may only be 
added or removed from the network if the primary controller is in 
add/remove mode.

4.  QUICK START

1.  Switch off the mains supply (disable the fuse). 
2.  Open the wall switch box. 
3.  Connect wires according to the labeling described 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 and hold the center button until “OFF” is shown on the 

display (approx. 10 seconds). 

7.  Press down button until you reach “CON”, press and hold until the 

display shows a rotating light pattern.

8.  The thermostat will display “INC” when the thermostat is 

successfully added.  

NB!

 If adding/removing fails, Err (error) will appear.

HEATIT 

Z-TRM3

  

Firmware 4.0

Installers manual

Ver 2020-C

TABLE OF CONTENTS

 Introduction

 

Statement regarding products from multiple manufacturers

 

Behavior within the Z-Wave™ network

4. 

 

Quick Start

5. 

 Installation

5.1 

 Controls

6. 

 Add/Remove

6.1 

  Method 1 Standard (manual)

6.2 

  Method 2 SmartStart (automatic) 

 

Factory Reset 

7.1 

 Startup

 

Principles of regulation

 

Programming thermostat

10 

  Temperature shown in display

11 

  Standby and main screen

12 

  Choice of sensor

13 

  Selecting the right Ohm value for your external floor sensor 

14 

 Calibration 

15 

 Brightness

16 

  Hysteresis (dIF)

17 

  Min/Max temperature settings

18 

  Fast functions from Standby / Main Screen

18.1 

  Display on/off - don/doF

18.2 

  Childlock - Lock

19 

  Error codes

20 

  Z-Wave QR-code / DSK 

21 

 Security

22 

  Node Information Frame

23 

 Associations

24 

  Configuration parameters

25 

  Command class specifications 

 

 

Product information

01.03.20

Summary of Contents for HEATIT Z-TRM3

Page 1: ...etwork to communicate with the other devices within it Devices may also be removed from a network The add remove processes are initiated by the primary controller of the Z Wave network The primary controller has a mode for adding or removing devices Please refer to your primary controller manual on how to set the primary controller in add remove mode The device may only be added or removed from th...

Page 2: ...ller is in add remove mode When the device is removed from the network it will NOT revert to factory settings There are two ways to add the Heatit Z TRM3 to a Z Wave network 6 1 METHOD 1 STANDARD MANUAL 1 Press Center confirm for 10 seconds The display will show OFF 2 Press Right down 5 times until you see Con on the display 3 Start the add remove device process in your primary controller 4 Start ...

Page 3: ...cture OFF Turns the thermostat off Sensors CHOICE OF SENSORS F Depending on your choice of sensors the menu will change SEn Select the right Ohm value for your external floor sensor NTC type 10 12 15 22 33 or 47kΩ Default 10kΩ CAE Calibration for external sensor CAF Calibration for floor sensor CAr Calibration for internal sensor br1 The display brightness may be adjusted in this menu Con Activati...

Page 4: ... pressing Left and Right up and down buttons for 10 seconds OPn will appear on the display 19 ERROR CODES Err Adding fail See Chapter 6 1 Add Remove Er1 Internal error Contact your local dealer Er2 Z Wave error Contact your local dealer Er3 Internal error Contact your local dealer Er4 Floor sensor error You have chosen F AF or A2F sensor mode without having a floor sensor connected or the sensor m...

Page 5: ...PTION 50 to 400 5 0 C to 40 0 C Default is 50 5 0 C MULTICHANNEL SUPPORT Heatit Z TRM3 has support for the Multichannel Command Class This allows the thermostat to be perceived as many devices by the primary controller where each of the devices has association groups in order to send information to other Z Wave devices See the chapter concerning Association Groups for more information Commands sen...

Page 6: ...1 Display brightness active state Configure the brightness of the display in active state VALUE DESCRIPTION 0 to 100 0 to 100 Default 100 Parameter 18 Parameter Size 2 Temperature report interval Time interval between consecutive temperature reports Temperature reports can also be sent as a result of polling VALUE DESCRIPTION 30 to 32767 30 seconds to 32767 seconds Default is 60 seconds Parameter ...

Page 7: ...umulated Watt instant andVolt instant The thermostat will report when asked Rate import Import 0x01 Meter type Electric meter 0x01 Precision 1 decimal 0x01 PRECISION VALUE SCALE SUPPORTED VALUE SIZE 1 decimal 0x01 kWh 0x01 4 2 decimals 0x01 W 0x02 4 1 decimal V 0x04 2 THERMOSTAT DEVICE 1 Supported Command Classes Association version 2 Z Wave Plus Information version 2 Association version 2 Associa...

Page 8: ...12 15 22 33 and 47 kΩ 25 C IP Code IP 21 Approvals Z Wave Plus CE EN 60730 1 EN 60730 2 9 EMC 2014 30EU RoHS 2011 65 EU LVD 2014 35 EU Approved for use in bathrooms TERMINAL Use 1 5mm or 2 5mm according to load MAINTENANCE The product is maintenance free but must not be covered ART NO PRODUCT COLOR Z WAVE FREQUENCY 54 305 99 Heatit Z TRM3 thermostat 3600W 16A White RAL 9003 EU 868 4MHz 54 305 98 H...

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