IMMERGAS 3.030911 Smartech Plus Expansion Kit Installation Guide

: September 9, 2024
: IMMERGAS

Table of Contents

3.030911 Smartech Plus Expansion Kit
Product Specifications
Product Usage Instructions
1. Installation

3.030911 Smartech Plus Expansion Kit

Product Specifications

Product Name: Smartech Plus Expansion Kit
Manufacturer: Immergas S.p.A.
Model Number: Zone management Code 3.030911
Dimensions (Chrono-thermostat): 71.5mm x 35.5mm x 54mm
Batteries: 2 x LR03 (AAA) 1.5V

Product Usage Instructions

1. Installation

Attention: Installing the Smartech Plus expansion kit is
excluded from the free generator checks and is the responsibility
of the installer company.

1.2 Package Contents

The package includes:

1 Instruction sheet
1 Chrono-thermostat
1 Wireless relay
1 Wall-mounted installation support equipped with spirit level,
screws, and plugs
2 x LR03 (AAA) 1.5V batteries

1.3 Main Chrono-thermostat Dimensions

The dimensions of the chrono-thermostat are as follows: 71.5mm x
35.5mm x 54mm.

1.4 Chrono-thermostat Module Installation Operations

Fix the wall mount to the wall using the supplied expansion
plugs and screws.
Insert the provided LR03 (AAA) batteries into the battery
compartment.
Mount the Chrono-thermostat on the wall mount.
To replace batteries, release the Chrono-thermostat from the
wall mount and repeat the above steps.
Remove the protective film from the display of the
chrono-thermostat after installation.

Frequently Asked Questions (FAQ)

Q: Can the chrono-thermostat and wireless relay be installed

outdoors?

A: No, both the chrono-thermostat and wireless relay cannot be
installed outdoors.

Q: What should I use to clean the cover of the

chrono-thermostat?

A: Use a dry cloth to clean the cover of the chrono-thermostat.
Avoid using abrasive or powder detergents.

Installation instructions and warnings

IE

EXPANSION KIT
SMARTECH PLUS
for Zone management Code 3.030911

immergas.com
Immergas S.p.A. 42041 Brescello (RE) – Italy Tel. 0522.689011 Fax 0522.680617
Code 1.044745ENG – Rev. ST.005020/004 – 05/2024
IE – The version of the instruction sheet in this language can be downloaded from the website www.Immergas.com or by pressing “Download Instructions and warnings” from the Smartech App after downloading it from the appropriate App Store: App Store (Apple) or Play Store (Android).
The manufacturer Immergas S.p.A., hereby declares that the “Smartech Plus Expansion Kit” radio appliance complies with directive 2014/53/EU. For further details on the product CE marking, request a copy of the Declaration of Conformity from the manufacturer, specifying the appliance model and the language of the country.
FOREWORD.
The ‘Smartech Plus Expansion Kit’ is designed to be used in combination with Smartech Plus in the event that the air-conditioning system needs to be split into several zones, and you wish to equip each of them with independent room temperature control. Up to 2 Smartech Plus Expansion Kits can be used in each system, which together with the Smartech Plus chrono-thermostat, allow the creation of systems divided into a maximum of 3 zones with autonomous temperature control. The Smartech Plus Expansion Kit includes a wireless chrono-thermostat and a wireless relay to activate the relevant zone actuator , if any. The battery-powered chrono-thermostat requires no electrical connection and is equipped with an e-ink technology display for viewing the main temperature control parameters of the controlled zone. A mount for easy wall assembly is supplied as per standard with the device, while the same table base already supplied with the Smartech Plus kit is available as an alternative. Both the chrono-thermostat and the wireless relay must be paired with the Smartech Plus kit gateway by following the simple pairing procedure outlined in the following paragraphs. Management of all system zones can also be carried out via smartphone by installing the ‘Smartech’ app available on Immergas Android and iOS stores.
GENERAL WARNINGS.
This manual has been drafted for the installer and also includes basic instructions for the end user.
· Make sure you have completed all installation steps of the “Smartech Plus kit” before proceeding with the installation of the “Smartech Plus expansion kit”.
· Carefully read the warnings contained in this document as they provide indications on the technical features as well as the installation, assembly, programming, adjustment and use instructions.
· The device must be installed in compliance with electrical installation standards in force.
· This instruction manual and the “Smartech” application manual must be “kept for future reference”.
· After removing the packaging, ensure the integrity of the chrono-thermostat and wireless relay supplied in the kit. If in doubt, do not use them and contact the Dealer or Manufacturer.
· The “Smartech Plus expansion kit” is intended only for the use for which it has been expressly designed. Any other use must be considered improper and therefore dangerous.
· Our products are manufactured in compliance with current safety standards. During installation and use, it is recommended to observe all the precautions to avoid harming persons or damaging objects.
· Do not disassemble parts of the chrono-thermostat or wireless relay when they are in operation.
· Do not use the Chrono-thermostat and wireless relay in places exposed to heat sources or direct sunlight.
· The manufacturer will not be held responsible in the following cases:
a) Incorrect installation.
b) Operating defects of the generator to which the “Smartech Plus expansion kit” is applied.
c) Unauthorised changes or tampering.
d) Total or partial failure to comply with instructions.
e) Exceptional events etc.
N.B.: the chrono-thermostat and wireless relay must be installed less than 2 metres above the floor;
N.B.: the chrono-thermostat and wireless relay cannot be installed outdoors;
N.B.: the chrono-thermostat and wireless relay cannot be installed within 20 cm of the human body.

BUL – www.Immergas. com ,, ” Smartech, : App Store (Apple) Play Store (Android).
FRA – La version de la fiche d’instructions dans cette langue peut être téléchargée sur le site www.Immergas. com ou en appuyant sur « Télécharger les instructions et les mises en garde » dans l’application Smartech après l’avoir téléchargée à partir du magasin d’applications approprié : App Store (Apple) ou Play Store (Android).

CLEANING THE COVER.
Use a dry cloth to clean the cover of the chrono-thermostat. Never use abrasive or powder detergents.
WARNING. Immergas reserves the right to make improvements and changes to details and accessories, excepting the essential features of the model described and illustrated herein.
1. INSTALLATION.
1.1 Installation recommendations. The electrical installation of the components of the “Smartech Plus expansion kit”, including the relevant cables and connections to the generator or system, must be carried out by specialised personnel suitably trained for this purpose. On the free initial check of the Immergas generator, when this kit is inserted into the system, the Immergas authorised After-sales Centre checks the electrical connection and regular operation. The free check of the kit is not envisioned by the Immergas authorised After-sales Centre if this is requested after the generator warranty has started, or if the temperature control system is not connected to an Immergas generator.
Attention: installing the “Smartech Plus expansion kit” is excluded from the free generator checks; it is the responsibility of the installer company.

1.2 Package contents.

Ref

Description

1 1 Instruction sheet

2 1 Chrono-thermostat

3 1 wireless relay

5

1 wall-mounted installation support equipped with spirit level, screws and plugs

6 2 x LR03 (AAA) 1.5V batteries

1.3 Main Chrono-thermostat dimensions.

71.5

35.5

54

Measurements in mm

1

1.4 Chrono-thermostat module installation operations (Fig. 2).
N.B.: make sure that the installation area of the Chronothermostat receives the Bluetooth signal of the Smartech Plus Gateway properly. To do so, after having paired them (Par. 1.8) follow the instructions in Par. 3.3 “Bluetooth communication quality check”.
Install the wall mount (2) by fixing it to the wall using the supplied expansion plugs (1) and screws (3).
N.B.: pay attention to correctly position the spirit level (5) downwards.
Insert the 2 supplied LR03 (AAA) batteries into the battery compartment (Fig. 3), then press-couple the Chrono-thermostat on the mount (2). To replace the batteries, release the Chrono-thermostat (4) from the wall mount (2) and repeat the above operations.
At the end of the installation, remove the protective film from the display of the chrono-thermostat.
1
2
3
4

5
2

GRE – www.Immergas.com ” ” Smartech App : App Store (Apple) Play Store (Android). NLD – De versie van het instructieblad in deze taal kan worden gedownload van de website www.Immergas.com of door op “Download Instructies en waarschuwingen” te drukken in de Smartech-app nadat u deze hebt gedownload van de relevante app-store: App Store (Apple) of Play Store (Android). POR – A versão da folha de instruções nesta língua pode ser descarregada a partir de www.Immergas.com ou premindo “Descarregar instruções e avisos” a partir da
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1.5 Expansion kit electrical connection Smartech Plus.
Each Smartech Plus Expansion Kit contains a wireless relay for the eventual activation of the corresponding zone actuator. The electrical connections of the Wireless Relay must be carried out according to the diagrams shown in Chapter 4.
N.B.: ensure that the place where the Wireless relay is installed is adequately reached by the home Wi-Fi network to which the Smartech Plus Gateway is also connected.
N.B.: before performing any electrical connection, make sure that all the involved appliances are disconnected from the mains.
N.B.: The Wireless Relay must be connected to the mains power supply (230Vac / 50Hz) in accordance with current electrical installation regulations, providing in any case an omnipolar disconnection device with class III overvoltage category.
N.B.: The wireless relay contained in the kit is specifically designed to be used in Immergas S.p.A. Smartech Plus systems. The manufacturer will not be held liable if a different wireless relay is used than the one provided.
1.6 Coupling to boilers with mixed zones. When installing in combination with boilers in systems with mixed zones, a zones control unit must be used, installing the V2 zones control unit Kit or a DIM Erp (Multi-system Water Manifold) if not supplied as per standard in the boiler. The electrical connection must be made according to the diagrams: – Fig. 7 for appliances equipped with communication bus (IMG BUS), modulating operation. – Fig. 9 for appliances without communication bus (IMG BUS), On/Off operation).
N.B.: when installing Smartech Plus and expansion kit on systems with mixed zones, you must set the design limit temperature for that zone on the trimmers of the mixed zone (ref. R12/R13 Fig. 7/9).
N.B.: when installing Smartech Plus and expansion kit on systems that already have the V2 zones control unit Kit or a DIM Erp (Multi-system Water Manifold), or with boilers supplied as per standard with zones control unit, follow the wiring diagrams indicated above and, if present, eliminate communication cables between boiler (terminals 41-44) and zones control unit.
1.7 Connecting the Wireless Relay to the WiFi network used for the Smartech Plus system.
For the system to work properly, the Wireless Relay and the Smartech Plus Gateway must be connected to the same WiFi network. To do this, follow the configuration procedure below:
– press the button on the Wireless Relay for 10 seconds and then release it, the LED on the same device will start flashing twice per second;
– using a smartphone, select the Wi-Fi network ‘Jotto_RL_xxxx’ from the available networks in the phone’s Wi-Fi network selection menu. Now open your browser and type in the address ‘192.168.4.1’;
– on the page displayed, click ‘Configure wifi’; – from the Wi-Fi networks listed, select the one to which
the Smartech Plus Gateway has been connected, enter its password and press enter; If the procedure is successful, the LED on the Wireless Relay will stop flashing and will remain on steady. Otherwise, repeat the procedure from the beginning.
1.8 Pairing of Chrono-thermostat and Wireless Relay to Smartech Plus Gateway.
N.B.: the procedures below should only be carried out after the Wireless Relay has been properly connected to the same Wi-Fi network used for the Smartech Plus Gateway.
N.B.: ensure that the gateway has been powered for at least 5 minutes.

aplicação Smartech depois de a descarregar a partir da loja de aplicações relevante: App Store (Apple) ou Play Store (Android). RUM – Versiunea fiei de instruciuni în aceast limb poate fi descrcat de pe www.Immergas.com sau apsând ,,Download Instructions and Warnings” (Descrcare instruciuni i recomandri) din aplicaia Smartech dup ce ai descrcat-o din magazinul de aplicaii relevant: App Store (Apple) sau Play Store (Android). SPA – La versión de la hoja de instrucciones en este idioma puede descargarse de www.Immergas.com o pulsando «Descargar instrucciones y advertencias» desde la aplicación Smartech, tras descargarla de la tienda de aplicaciones correspondiente: App Store (Apple) o Play Store (Android).
N.B.: after completing each of the procedures below it is necessary to switch the gateway off (disconnecting the power supply) and back on again.
1.8.1 Pairing of the Wireless Relay to the first zone of the system (main zone).
If the relay on the Gateway is not used to activate an actuator paired to the main zone, an optional wireless relay (to be ordered separately) can be used for this purpose. In this case, proceed as follows:
– press and hold the ‘Reset’ button on the Gateway until the indication on the ‘BLE’ LED changes from one blink every 4 seconds to one blink per second;
– press the ‘Reset’ button on the Gateway several times, until the ‘Cloud’ LED will flash once per second;
– press the button on the wireless relay. When the LED on this device stops flashing, check that the Cloud’ LED on the Gateway flashes quickly for about 3 seconds, the wireless relay will be correctly paired to the Gateway on the first zone of the system. If theCloud’ LED does not flash quickly for 3 seconds, repeat this last point.
1.8.2 Pairing of the Chrono-thermostat and Wireless Relay to the second zone of the system.
To pair the Chrono-thermostat and Wireless Relay of the Expansion Kit to the second zone of the system, proceed as follows:
– press and hold the ‘Reset’ button on the Gateway until the indication on the ‘BLE’ LED changes from one blink every 4 seconds to one blink per second;
– press the ‘Reset’ button on the Gateway several times, until the ‘BLE’ LED will flash twice per second;
– with Chrono-thermostat set on the main window, press and hold the same key for 3 seconds until the “Mode” or “Program” menu appears, then rotate the Chrono-thermostat to display the “Settings” menu. At this point, press again and rotate to select the ‘Diagnostic’ menu, then press to confirm and enter the same menu;
– press again on the chrono-thermostat, the message ‘Pairing’ will appear to indicate the connection attempt in progress. When the ‘Disconnected’ message appears, the Expansion kit Chrono-thermostat is correctly paired to the Gateway on the second zone of the system;
– press the ‘Reset’ button on the Gateway until the ‘Cloud’ LED will flash twice per second;
– press the button on the wireless relay. When the LED on this device stops flashing, check that the Cloud’ LED on the Gateway flashes quickly for about 3 seconds, the wireless relay will be correctly paired to the Gateway on the second zone of the system. If theCloud’ LED does not flash quickly for 3 seconds, repeat this last point.
1.8.3 Pairing of the Chrono-thermostat and Wireless Relay to the third zone of the system.
To pair the Chrono-thermostat and Wireless Relay of the Expansion Kit to the third zone of the system, proceed as follows:
– press and hold the ‘Reset’ button on the Gateway until the indication on the ‘BLE’ LED changes from one blink every 4 seconds to one blink per second;
– press the ‘Reset’ button on the Gateway several times until the ‘BLE’ LED flashes three times per second;
– with Chrono-thermostat set on the main window, press and hold the same key for 3 seconds until the “Mode” or “Program” menu appears, then rotate the Chronothermostat to display the “Settings” menu. At this point, press again and rotate to select the ‘Diagnostic’ menu, then press to confirm and enter the same menu;
– press again on the chrono-thermostat, the message ‘Pairing’ will appear to indicate the connection attempt in progress. When the ‘Disconnected’ message appears, the Expansion kit Chrono-thermostat is correctly paired to the Gateway on the third zone of the system;
– press the ‘Reset’ button on the Gateway until the ‘Cloud’ LED will flash three times per second;
– press the button on the wireless relay. When the LED on this device stops flashing, check that the Cloud’ LED on the Gateway flashes quickly for about 3 seconds, the wireless relay will be correctly paired to the Gateway on the third zone of the system. If theCloud’ LED does not flash quickly for 3 seconds, repeat this last point.
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2. SAFETY MODE SMARTECH PLUS
The ‘safety mode’ function (see further details on the Smartech Plus kit instruction sheet) is not necessary and therefore absent for Chrono- thermostats supplied in Smartech Plus Expansion kits.

4. WIRING DIAGRAMS GATEWAY CONNECTION WIRING DIAGRAM

3. TECHNICAL CHARACTERISTICS
CHRONO-THERMOSTAT: · Dimensions: ….. diameter 71,5mm, thickness 35,5mm · Wireless technology: ………………….. Bluetooth 4.1 BLE · Distance between thermostat and gateway:Max. 10mt
(*) · Reading range:………………………………from 0°C to 40°C · Reading accuracy: ……………………………………..+/- 0.1°C · Setting range: ……………………………..from 4.5°C to 30°C · Minimum setting change: ………………………………. 0.5°C · Power Supply: ……..2 LR03 (AAA) 1.5V batteries (not
rechargeable) battery life about 2 years().

A30

WIRELESS RELAY: · Dimensions …………………………………… 88 x 39 x 24 mm · Input……………………………. 100-240 VAC 50/60 Hz 10A · Output ………100-240 VAC 50/60Hz (Maximum 10A) · Wireless technology…………………………………………………
Wi-Fi standard IEEE 802.11 b/g/n 2.4 GHz

Key: A30 – Smartech Plus Gateway G4 – Gateway DC power supply unit X3 – Modbus RS485 X4 – Potential-free contact Max. 0.5 A – 230 Vac
(generator operation request) L/N – 230 Vac / 50 Hz power supply X1 – +5 Vdc power supply X2 – IMG BUS
BR – Brown BL – Blue W – White
Y – Yellow

N.B.: IMG BUS is a communication protocol only used by certain Immergas appliances, (see the instruction booklet of the appliance).
N.B.: Modbus RS485 is a communication protocol only used by certain Immergas appliances, (see the instruction booklet of the appliance).
N.B.: the X2 (IMG BUS) and X3 (Modbus RS485) connectors must be connected to SELV devices.
N.B.: the cables to be used for X2 and X3 connections must have an adequate cross-section and minimum isolation of 300V.
N.B.: use the two wire sleeves supplied with the power supply unit, inserting them on the White (W) and Yellow (Y) wires on the side of the terminal block (X4), to further isolate them from the Gateway inside.

(*) Battery life calculated with normal use, with a room temperature between 16°C and 27°C.

(**) The maximum actual distance might be shorter if there

4

are walls, ceilings or obstacles between the two devices.

3.1 Product fiche.

In compliance with Regulation 811/2013, the class of the

temperature control device is:

Contribution to room

Class central heating seasonal Description

energy efficiency

Smartech Plus

VI

+4%

with 1 expansion

kit

Smartech Plus

VIII

+5%

with 2 expansion

kits

CONNECTION WIRING DIAGRAM TO BOILER VIA COMMUNICATION BUS (IMG BUS) ON SYSTEM DIVIDED INTO THREE HOMOGENEOUS ZONES WITH ZONE VALVES
3

Input Output

3.2 Description of the LEDs on the Gateway (not

supplied in the Smartech Plus Expansion Kit).

LED

Description

LED Power

Indicates that the Gateway is powered properly. This LED must always be on steady and green.

It signals the Bluetooth connection of the Gateway with the Smartech Plus chrono-thermostat:

· 1 flash every 4 seconds: it means that

communication between the Gateway

LED

and the Chrono-thermostat is established

BLE

correctly;

· 5 flashes per second: it means that the

Gateway is trying to connect to the chrono-

thermostat, if this warning is frequent, try

to bring the Gateway closer to the chrono-

thermostat or vice versa..

It is a service Led managed separately from

LED Bus

the Gateway. If it flashes at a high frequency there is communication with the generator, if it flashes at a low frequency the commu-

nication is absent.

Signals the connection to the home Wi-Fi network and the Cloud of the chrono- thermostat:

· Off: it means that the Gateway is not con-

nected to any Wi-Fi network or no Account

has been connected to this Gateway, the

chrono-thermostat works regularly even

without a Wi-Fi connection, through the

LED

BLE connection;

Cloud

· 1 flash per second: it means that the Gateway is connecting to the Wi-Fi network or associated Account, if the flashing persists check that the Wi-Fi network is active and verify that you have entered the correct password in the Gateway;

· Steady on: it means that the Gateway is connected to the Wi-Fi network and Cloud and is working properly..

4

1

2

Key:

A30 – Smartech Plus Gateway

G4

– Gateway DC power supply unit

K60-2/3 – Zone 2/3 Wireless Relay

M32-1 – Zone 1 valve

M32-2/3 – Zone 2/3 valve

S20-1 – Zone 1 room thermostat

S20-2/3 – Zone 2/3 Room thermostat

1 – Zone 1 2 – Zone 2/3 3 – Boiler 4 – Cable not supplied by Immergas BR – Brown BL – Blue W – White Y – Yellow

N.B.: connect the X2 terminals to the IMG BUS boiler terminals normally provided for CAR X2 communication, indicated as 44 (or 40) and 41. (See the instruction booklet of the appliance).
N.B.: the Gateway can be powered by connecting to terminals A (L line) and B (N Neutral) (230 Vac / 50 Hz auxiliary boiler power supply) if available, (see the instruction booklet of the appliance).
5

CONNECTION WIRING DIAGRAM TO BOILER VIA COMMUNICATION BUS (IMG BUS) ON SYSTEM DIVIDED INTO THREE HOMOGENEOUS ZONES WITH ZONE PUMPS

3

Input Output

4

1

2

Key:

1 – Zone 1

N.B.: connect the X2 terminals to the IMG BUS boiler

A30 – Smartech Plus Gateway

2 – Zone 2/3

terminals normally provided for CAR X2 communication,

G4

– Gateway DC power supply unit

3 – Boiler

indicated as 44 (or 40) and 41. (See the instruction booklet

K60-2/3 – Zone 2/3 relay K66 – 230/230 Vac support relay (not supplied)

4 – Cable not supplied by Immergas BR – Brown

of the appliance);

M10-1 – Zone 1 circulator

BL – Blue

N.B.: the Gateway can be powered by connecting to termi-

M10-2/3 – Zone 2/3 pump

W – White

nals A (L line) and B (N Neutral) (230 Vac / 50 Hz auxiliary

2

S20-1 – Zone 1 room thermostat S20-2/3 – Zone 2/3 Room thermostat

Y – Yellow

boiler power supply) if available, (see the instruction booklet

of the appliance).

6

CONNECTION WIRING DIAGRAM TO BOILER VIA COMMUNICATION BUS (IMG BUS) AND ZONES CONTROL UNIT / V2 ZONES CONTROL UNIT KIT / DIM Erp ON SYSTEM DIVIDED INTO THREE ZONES (HOMOGENEOUS/MIXED)

Key: A30 B3-2
B3-3
E7-2
E7-3
G4 M10-1 M10-2 M10-3 M31-2 M31-3 S20-1 S20-2 S20-3 K60-2 K60-3 K65-2
K65-3

– Smartech Plus Gateway – Zone 2 low temperature flow
probe – Zone 3 low temperature flow
probe – Zone 2 low temperature safety
thermostat – Zone 3 Low temperature safety
thermostat – Dc Power supply – Zone 1 circulator – Zone 2 circulator – Zone 3 circulator – Zone 2 mixing valve – Zone 3 mixing valve – Zone 1 room thermostat – Zone 2 room thermostat – Zone 3 room thermostat – Zone 2 relay – Zone 3 relay – Zone 2 demand 230/24Vac
support relay (not supplied) – Zone 3 demand 230/24Vac
support relay (not supplied)

1 – Zone 1 2 – Zone 2 3 – Zone 3 4 – Boiler 5 – Cable not supplied by Immergas 6 – Zones control unit BR – Brown BL – Blue W – White Y – Yellow

5
N.B.: connect the X2 terminals to the IMG BUS boiler terminals normally provided for CAR X2 communication, indicated as 44 (or 40) and 41. (See the instruction booklet of the appliance). N.B.: the Gateway can be powered by connecting to terminals A (L line) and B (N Neutral) (230 Vac / 50 Hz auxiliary boiler power supply) if available, (see the instruction booklet of the appliance). N.B.: the diagram shows the most complex situation with one direct zone and 2 mixed zones. For zones control unit supplied in the V2 zones control unit kit, connect the number of pumps, mixing valves and low temperature flow probes necessary for your system. For DIM Erp or boilers with zones control unit as per standard, the zone actuators are already wired at the factory depending on the model chosen. N.B.: for the settings of the S25-S26-S27-S28 control unit selectors, refer to the instruction booklet of the kit/product containing the zones control unit.

4 6

Input Output
Input Output

1

2

3

7

CONNECTION WIRING DIAGRAM TO BOILER VIA ROOM THERMOSTAT CONTACT (On/Off) ON SYSTEM DIVIDED INTO THREE HOMOGENEOUS ZONES WITH ZONE VALVES for models without communication bus

Key:

A30 – Smartech Plus Gateway

G4

– Gateway DC power supply unit

K60-2/3 – Zone 2/3 Wireless Relay

M32-1 – Zone 1 valve

M32-2/3 – Zone 2/3 valve

3

S20-1 – Zone 1 room thermostat

S20-2/3 – Zone 2/3 Room thermostat

1 – Zone 1 2 – Zone 2/3 3 – Boiler BR – Brown BL – Blue W – White Y – Yellow

Input Output

N.B.: the Gateway can be powered by connecting to terminals A (L line) and B (N Neutral) (230 Vac / 50 Hz auxiliary boiler power supply) if available, (see the instruction booklet of the appliance).

1

2

8

CONNECTION WIRING DIAGRAM TO BOILER VIA ROOM THERMOSTAT CONTACT (On/Off) AND ZONES CONTROL UNIT / V2 ZONES CONTROL UNIT KIT / DIM Erp ON SYSTEM DIVIDED INTO THREE ZONES (HOMOGENEOUS/MIXED) from models without communication bus

Key: A30 – Smartech Plus Gateway

K65-2 – Zone 2 demand 230/24Vac support relay (not supplied)

4

B3-2 – Zone 2 low temperature flow

K65-3 – Zone 3 demand 230/24Vac

probe

support relay (not supplied)

B3-3 – Zone 3 low temperature flow

probe

1 – Zone 2

B4

– External probe (optional)

2 – Zone 2

E7-2 – Zone 2 low temperature safety

3 – Zone 3

thermostat

4 – Boiler

E7-3 – Zone 3 Low temperature safety

5 – Zones control unit

thermostat

BR – Brown

G4

– Dc Power supply

BL – Blue

M10-1 – Zone 1 circulator

W – White

M10-2 – Zone 2 circulator

Y – Yellow

M10-3 – Zone 3 circulator

M31-2 – Zone 2 mixing valve

M31-3 – Zone 3 mixing valve

S20-1 – Zone 1 room thermostat

S20-2 – Zone 2 room thermostat

S20-3 – Zone 3 room thermostat

K60-2 – Zone 2 relay

K60-3 – Zone 3 relay

N.B.: the Gateway can be powered by connecting to terminals A (L line) and B (N Neutral) (230 Vac / 50 Hz auxiliary boiler power supply) if available, (see the instruction booklet of the appliance). N.B.: the diagram shows the most complex situation with one direct zone and 2 mixed zones. For zones control unit supplied in the V2 zones control unit kit, connect the number of pumps, mixing valves and low temperature flow probes necessary for your system. For DIM Erp or boilers with zones control unit as per standard, the zone actuators are already wired at the factory depending on the model chosen.
N.B.: for the settings of the S25-S26-S27-S28 control unit selectors, refer to the instruction booklet of the kit/product containing the zones control unit.

5

Input Output
Input Output

6
1

2

3

9

3

3.3 Bluetooth communication quality check. On each Chrono-thermostat it is possible to check the quality of Bluetooth communication with the Gateway by following the procedure below:
– With the chrono-thermostat set to the main window, press and hold for 3 seconds until the ‘Mode’ or ‘Program’ menu appears;
– Turn the chrono-thermostat until the ‘Settings’ menu is displayed, then press to confirm;
– Turn again to select the ‘Diagnostic’ menu, then press to confirm.
On the displayed page, the ‘Signal Strength’ field indicates the quality of Bluetooth transmission between the Gateway and the Chrono-thermostat. It is recommended to use this indication when looking for the proper position of the devices. The indications provided are as follows:
– Excellent: stable and strong signal.
– Good: stable signal.
– Poor: weak signal, the two devices should be moved closer.
– Disconnected: signal quality is insufficient, move the two devices closer.
N.B.: the maximum communication distance between Gateway and Chrono-thermostat is 10 metres in open field. The maximum actual distance might be shorter if there are walls, ceilings or obstacles between the two devices.

CONNECTION WIRING DIAGRAM TO MAGIS PRO V2 – COMBO V2 ON SYSTEM DIVIDED INTO THREE HOMOGENEOUS ZONES WITH ZONE VALVES.
3

Input Output

4

1

2

Key:

A30 – Smartech Plus Gateway

G4

– Gateway DC power supply unit

K60-2/3 – Zone 2/3 Wireless Relay

M32-1 – Zone 1 valve

M32-2/3 – Zone 2/3 valve

R11 – ModBus terminal 120 Ohm resistance

S20-1 – Zone 1 Room thermostat

S20-2/3 – Zone 2/3 room thermostat

1 – Zone 1 2 – Zone 2/3 3 – Indoor Unit 4 – Cable not supplied by Immergas BR – Brown BL – Blue W – White Y – Yellow

N.B.: connect the X3 Gateway terminals to the T+ e T- Indoor Unit terminals connecting the R11 resistance in parallel (supplied with the Kit). (See the instruction booklet of the appliance);
N.B.: for Magis Combo V2 the Gateway power supply can be made by connecting the auxiliary 230 Vac / 50 Hz power supply to the Indoor Unit terminals A (L line) and B (N Neutral) (see instruction booklet of the appliance).

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CONNECTION WIRING DIAGRAM TO MAGIS PRO V2 – COMBO V2 ON SYSTEM DIVIDED INTO THREE HOMOGENEOUS ZONES WITH ZONE PUMPS.

3

Input Output

4

1

2

Key:

A30 – Smartech Plus Gateway

G4

– Gateway DC power supply unit

K60-2/3 – Zone 2/3 relay

K66 – 230/230 Vac support relay (not supplied)

M10-1 – Zone 1 circulator

M10-2/3 – Zone 2/3 pump

R11 – ModBus terminal 120 Ohm resistance

S20-1 – Zone 1 Room thermostat

S20-2/3 – Zone 2/3 room thermostat

1 – Zone 1 2 – Zone 2/3 3 – Indoor Unit 4 – Cable not supplied by Immergas BR – Brown BL – Blue W – White Y – Yellow

N.B.: connect the X3 Gateway terminals to the T+ e T- Indoor Unit terminals connecting the R11 resistance in parallel (supplied with the Kit). (See the instruction booklet of the appliance);
N.B.: for Magis Combo V2 the Gateway power supply can be made by connecting the auxiliary 230 Vac / 50 Hz power supply to the Indoor Unit terminals A (L line) and B (N Neutral) (see instruction booklet of the appliance).

WIRELESS RELAY CONNECTION.

L

1

N

11
Key: 1 – Wireless Relay 2 – zone actuator (not supplied)

MAX. 10A 230 Vac
2

230 Vac 50Hz

4

12