auer GIALIX 24 MA COMFORT + User manual

Made in
France
Edition no: 19.176
Manual ref.: 1895698
Installation manual
The information contained in this document is non-contractual. Auer reserves the right to modify all technical data for any equipment or appliance at any time without prior notice.
Gialix 24 MA Comfort +
Ref. 132616
GIALIX 24 MA
COMFORT +
Wall mounted electric boiler - BC
• Electronic regulation
• 1 heating circuit dependent on
exterior temperature
• 1 domestic hot water circuit

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TABLE OF CONTENTS
TABLE DES MATIÈRES
1  PLEASE READ IMMEDIATELY ........................ 5
Preservation of documents .......................................................................5
1.1 - Safety........................................................................................................5
Danger of death by electrocution...........................................................5
Danger due to improper use.....................................................................5
Applicable areas of use ...............................................................................5
Humidity and water splashes ...................................................................5
National rules and regulations.................................................................5
(directives, laws, and standards)..............................................................5
Qualication of the user .............................................................................5
1.2 - Important information.......................................................................5
2  INTRODUCTION ............................................. 7
2.1 - Description.............................................................................................7
2.1.1 - Settings for a low temperature application
(underoor heating circuit only)......................................................................... 7
2.1.2 - Recap of maximum temperature settings....................................................... 7
2.2 - Technical specications.....................................................................8
2.2.1 - EU declaration............................................................................................................8
2.3 - Accessories.............................................................................................8
2.3.1 - Included....................................................................................................................... 8
2.3.2 - Available as optional extras..................................................................................8
2.4 - Description of the control panel....................................................9
2.5 - Description of the boiler ...................................................................9
3  INSTALLATION.............................................. 10
3.1 - Hydraulic schematic diagrams......................................................10
3.1.1 - DIrect heating circuit.............................................................................................10
3.1.2 - Direct heating circuit (without mixing valves) + 1 DHW circuit ............10
3.2 - Installation recommendations......................................................10
3.3 - Treatment of the water in the heating circuit..........................11
3.3.1 - Filling water ..............................................................................................................11
3.3.2 - Treatment of the heating circuit........................................................................11
3.3.3 - Purging the installation........................................................................................12
3.4 - Placement of the boiler...................................................................12
3.4.1 - Dimensions and spacing - Hydraulic connections.....................................12
3.4.2 - Placement..................................................................................................................13
3.4.3 - Placement of the boiler........................................................................................13
3.4.3.1 - Removing the front panel...................................................................13
3.4.3.2 - Wall mounting.........................................................................................13
3.5 - Hydraulic connections.....................................................................14
3.6 - Electrical connections ......................................................................14
3.6.1 - Current consumption
Number and cross sections of power supply cables
Fuse size.....................................................................................................................14
3.6.1.1 - Current consumption...........................................................................14
3.6.1.2 - Number and cross sections of power supply cables.................14
3.6.1.3 - Fuse size.....................................................................................................15
3.6.2 - Electrical connection terminals.........................................................................15
3.6.3 - Connection of conductors based on voltage supplied ............................16
3.6.4 - Control circuit schematic diagram ...................................................................16
3.6.5 - Connection to the control circuit......................................................................17
3.6.7 - Wiring diagram........................................................................................................18
3.6.8 - Lowering the boiler temperature by disconnecting the heating
elements....................................................................................................................20
3.7 - Set-up.....................................................................................................22
3.7.1 - Filling the installation............................................................................................22
3.7.2 - Setting the regulator.............................................................................................22
3.7.2.1 - List of parameters ..................................................................................23
3.7.2.2 - Pairing of stages.....................................................................................24
3.7.2.3 - Programming the boiler for maximum power............................24
3.7.3 - Heating curve...........................................................................................................24
3.7.3.1 - Underoor heating application........................................................24
3.7.3.2 - Radiator application..............................................................................24
3.7.3.3 - Heating curve of the installation......................................................24
3.7.4 - Designated purpose of timer input .................................................................25
3.7.5 - •Temperature readings .........................................................................................25
•Status of connected aquastats or thermostats..........................................25
3.7.6 - Ambient temperature readings and settings with the presence of an
ambient temperature sensor.............................................................................25
3.8 - Maintenance and troubleshooting .....................................................26
3.8.1 - Consulting the counters.......................................................................................26
3.8.2 - Troubleshooting......................................................................................................26
3.8.3 - Maintenance.............................................................................................................26
3.8.4 - Operating errors......................................................................................................27
2.8.5 - Temperature sensors.............................................................................................27
2.8.5.1 - Exterior sensor (SExt)............................................................................27
3.8.5.2 - Boiler sensor (SC)
DHW sensor (SECS)................................................................................27
3.8.5.3 - Ambient temperature sensor (SA) ...................................................27
3.9 - List of spare parts...............................................................................28
4  USE................................................................. 28
4.1 - Electronic regulation for 2 circuits .................................................. 28
4.1.1 - General functions of the electronic regulation ...........................................28
4.1.2 - Description of the control panel.......................................................................29
4.1.3 - Operation of the electronic regulation of 2 circuits...................................29
4.1.3.1 - Turning on ................................................................................................29
4.1.3.2 - Standby mode with frost protection .............................................29
4.1.3.3 - Manual and automatic operation....................................................29
4.1.3.3.1 - Manual operation ..............................................................29
4.1.3.3.2 - Automatic operation ........................................................30
4.1.3.4 - Manual operation
SUMMER or WINTER..............................................................................30
4.1.3.4.1 - SUMMER mode operation ..............................................30
4.1.3.4.2 - WINTER mode operation.................................................30
4.1.3.5 - How to set your heating......................................................................30
4.1.3.6 - How to set the temperature of domestic hot water..................30
4.1.3.7 - How to set the ambient temperature.............................................31
4.1.4 - •Temperature readings .........................................................................................31
•Status of connected aquastats or thermostats..........................................31

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1 - PLEASE READ
IMMEDIATELY
1.1 - Safety
1.2 - Important information
Preservation of documents
This technical installation manual forms part of the
appliance which it refers to.
This manual must be safeguarded and passed on to
successive users for future reference.
It will be considered as evidence in case of litigation.
In order for the warranty to be valid, the instructions
must be read before operating the appliance.
Danger of death by electrocution
Touching live electrical wires can cause severe bodily
injury or death.
• Before undertaking any work on the
appliance, ensure to switch o the power
supply to the appliance.
• Ensure that there is no possibility of the
power supply becoming active again.
Qualication of the user
This appliance should not be used by anyone
(including children) with reduced physical, sensory
or mental capabilities, or by anyone who has
insucient experience or knowledge of the
appliance; unless they are being supervised by
someone who is responsible for their safety and
in possession of the operating instructions of the
appliance.
Children should be supervised to ensure that they
do not play with the appliance.
Clean and ush the hydraulic heating circuit before
connecting the appliance.
Danger due to improper use
Any work carried out by an unqualied person may
result in damage to the installation or in bodily
injury.
• Do not perform any maintenance work on
this appliance unless you are a qualied
professional.
National rules and regulations
(directives, laws, and standards)
Once the appliance is installed and switched on, all
decrees, directives, technical rules, and standards
must be respected in their current version in eect
in the country of installation and use. In France, we
conform specically to the NFC 15.100 electrical
installation standard.
Humidity and water splashes
The appliance should be installed in an area where
it is not exposed to humidity and without any risk of
being splashed by water.
Applicable areas of use
This appliance is intended for use as an appliance for
the production of domestic hot water and heating
water in a closed and pressurised circuit.
The intended use of the appliance includes the
following points:
• following the instructions for operating,
installing, and maintaining this appliance and
all of its components.
• ensuring the compliance of the appliance to
all inspection and maintenance conditions
which are listed in this manual.
Always turn o the appliance before performing any
maintenance work on any electrical components.
Before connecting to the power supply, check that
the voltage on the electrical network is the same as
that on the rating plate of the appliance. Check that
the installation is equipped with a properly sized and
connected grounding cable.
Before undertaking any maintenance, handling,
or in the case of the appliance not functioning or
malfunctioning, always disconnect the electrical
supply to the appliance and consult a specialist.
All installation and maintenance work must be
carried out with the appliance switched o and
by a qualied professional.
The manufacturer cannot be held liable for any
damages caused by not respecting the instructions
supplied with the appliance, or by improper
handling, installation, or use.
This manual may be subject to change without prior
notice.
The appliance can only function when
lled with water. Never turn on the
appliance if the tank has not been properly lled
with water and completely purged of air.
Not respecting this clause renders the warranty
null and void.
RENDERINGTHEWARRANTY NULLANDVOID

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2.1 - Description
2 - INTRODUCTION
The Gialix boiler is placed inside of protective casing with
a removable front panel to allow access to all parts and
components of the appliance.
The insulated, cast iron tank is equipped with 2 sheathed
steel electrical resistances anchored using a removable ange
accessible from underneath the boiler.
The front of the boiler has a control panel with a display and
control buttons; an electrical panel with integrated components
for the connection and distribution of power.
All of the hydraulic components are grouped together above the
electrical panel, which are accessible from the front of the boiler.
2.1.1 - Settings for a low temperature
application
(underoor heating circuit only)
2.1.2 - Recap of maximum temperature settings
The boiler is delivered pre-congured for operation on a high
temperature network from 22 to 80 °C with a 100oC high
temperature limiter (radiator or underoor heating with domestic
hot water production application).
For a low temperature application of 21 to 50°C with a 60°C high
temperature limiter:
• Set parameter 02 (TCMA) to a value less than or equal
to 50°C (see § «Setting the regulator»).
• Remove the front panel.
• Connect the 60°C aquastat. The two safety aquastats are
located above the electrical panel (see gure 1 below).
• Disconnect the double male tab.
• Connect the two wires to the 60oC safety aquastat.
Safety aquastats with manual reset
Factory wired for operation on a high temperature network
with 100°C high temperature limiter
Wiring for operation on a low
temperature network with 60°C
high temperature limiter.
double male tab
(black spot) (red spot)
Application
Parameter no02
Maximum boiler
temperature
(TCMA)
Safety aquastat
AQS
Underoor heating
(factory set) 20 - 50oC 60oC xed
Underoor heating
+ DHW production 20 - 50oC100oC xed
(factory set)
Radiators
+ DHW production 22 - 80oC

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2.2 - Technical specications 2.3 - Accessories
For reference numbers, please refer to the pricing guide.
Exterior sensor:
2.3.1 - Included
DHW sensor:
Ambient temperature thermostat (TA):
For the control of the ambient temperature with automatic
adjustment of the boiler’s set temperature.
(see § «Setting the regulator»)
Ambient temperature thermostat with timer
(TH):
With timer for weekly programming.
For control of the ambient temperature without automatic
adjustment of the boiler’s set temperature.
(See § «Setting the regulator»)
2.3.2 - Available as optional extras
2.2.1 - EU declaration
This range of products is in compliance with the international
standards governing electrical safety CEI 60335-1, CEI 60335-2-21,
CEI 60335-2-35. The CE branding on the appliance attests to its
compliance with the following Community Directives with which
they fulll the essential obligations:
- Low voltage directive (LVD): 2014/35/UE;
- Electromagnetic compatibility directive (EMC): 2014/30/UE;
- Directive for the setting of eco-design requirements for
energy-related products: 2009/125/CE;
- Restriction of hazardous substances in electrical electronic
equipment directive (ROHS): 2011/65/UE.
Designation
Gialix 24 MA
Comfort +
400V three-phase
Maximum heat output P1
(factory wired) 24 kW
Number of power stages 6
400V three-phase 50 Hz power supply YES
Adjustment of the maximum power P1*
by coupling of the heating elements
P4 = 16.0 kW
P3 = 18.6 kW
P2 = 21.3 kW
Remote load shedding of 1 or 2 stages of
the maximum power 8 kW or 16 kW
Water capacity 5L
Diameter of connection 1’’ (26/34)
Minimum pressure 0.5 bars
Nominal pressure 2.0 bars
Maximum pressure 3.0 bars
Minimum temperature 20oC
Maximum operating temperature
80oC
(factory setting)
Adjustable to 50oC
Minimum water owrate 675 l/h
Nominal water owrate 1350 l/h
Maximum water owrate 2400 l/h
Weight 36 kg
Width
Dimensions Height
Depth
405 mm
619 mm
280 mm
Protection class IP X 1
Heat loss at 70oC3.40 kWh / 24 h
* See §«Connection of conductors based on voltage
supplied»

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2.4 - Description of the control panel 2.5 - Description of the boiler
Upper
display
Summer LED
- Button
Winter LED
+ Button
On/O
button Lower
display
Auto/Manu
button
Switch to winter
and radiator button
Boiler operating
LED
Switch to summer
mode button
Electrical panel closed
60C Safety aquastat
4-speed circulator
Boiler sensor
8 L expansion vessel
Control panel
Safety valve set at 3 bars
Water pressure sensor
100C Safety aquastat
Control cable input
Power supply cable input
Electrical panel open
Heating outlet Heating inlet
Power supply contactor
Control terminal
Electronic circuit
board
Power splitter terminal
for power circuit
Button
or LED Name Function
8.8oCUpper
display
screen
Fixed: Display the boiler temperature in oC
Flashing: Signals a defect in the sensor
connection
The on the lower right of the number
indicates operation in manual mode
(without exterior sensor)
_ _ ocUpper
display
screen
Signals Frost protection
88 bars Lower
display
screen
Displays the pressure in bars
0.2 bars Lower
display
screen
Flashing:
Signals water pressure under
0.3 bars (re-engaged when
over 0.5 bars)
Signals faulty sensor code
(pressure or temperature)
Green
LED
winter
mode
Fixed: Signals operation in winter mode
(heating + DHW)
Flashing: Signals a switch to winter mode
in progress
Green
LED
summer
mode
Fixed: Signals operation in summer mode
Flashing: Signals a switch to summer
mode in progress
+ button
Increases the value being set
Allows the reading of the temperatures
of sensors and the setting of ambient
temperatures (comfort, eco, or
frost protection) only with ambient
temperature sensor
- button
Decreases the value being set
Allows to return to normal operation
when reading the temperatures
Cancels on/o time delay for switching
of heating modes (press for 3 seconds)
• Red LED
boiler
operating
Signals operation of the boiler
Radiator
button
Allows access to setting of the heating
temperature in manual mode only
Allows to switch to winter mode
(press for 3 seconds)
Forcing of the circulator in standby mode
Domestic
hot water
button
Allows access to the setting of the DHW
temperature (only with DHW sensor)
Allows switch to summer mode
(press for 3 seconds)
Auto/
Manu
button
Choice of operating mode
manual or automatic (''automatic mode''
only possible with exterior sensor)
On/O
button
Turn on or put heating and DHW circuits
in frost protection

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3 - INSTALLATION
3.1 - Hydraulic schematic diagrams
3.2 - Installation recommendations
The Gialix electric boiler is designed to operate directly on
a radiator circuit (100oC safety aquastat and maximum boiler
temperature - TCMA at parameter n°02 to 80°C).
For adaptation to a low temperature underoor heating network:
see § «Settings for a low temperature application» and § «Setting
the regulator»).
3.1.1 - DIrect heating circuit
3.1.2 - Direct heating circuit
(without mixing valves)
+ 1 DHW circuit
Without mixing valves.
or
Radiator circuit
Electric boiler
Underoor
heating
circuit
OR
1 : 3-speed circulator
2 : 8 L expansion vessel
3 : Safety valve set at 3 bars
4 : Stop valves
5 : Automatic air purgers
6 : Water pressure sensor
7 : Backow prevention device
8 : DHW loop circulator pump
D : Heating outlet 1’’ female
R : Heating inlet 1’’ female
Rm : Manual valve (piece with ambient temperature thermostat TA)
Rt : Thermostatic mixing valve
TA : Ambient temperature thermostat with or without timer or ambient
temperature sensor SA
SExt : Exterior sensor
EFS : Domestic cold water
AqECS : Domestic hot water aquastat
or
SECS : Domestic hot water sensor
V3V : 3-way valve with counter spring
ECS : Domestic hot water
LTP : Underoor heating 65°C temperature limiter with manual reset
(mandatory)
or or
Radiator circuit
Underoor
heating
circuit
Electric boiler
Domestic hot water
production tank
OR
• Backow prevention device
French law requires that a backow prevention device be
tted onto the installation. Please check the current laws and
regulations in eect in the country of installation to ensure that
the installation is in compliance.
The backow prevention devices must be installed at various
non-regulated pressure zones. It serves to prevent incoming
heating water from entering the drinking water circuit.
The backow prevention device must be connected to the mains
drainage network.
• Cross-sections, markings, and purging of the heating
networks
A sucient ow rate must be ensured so that the dierence
in temperature between the outlet and inlet points does not
exceed 20°C. In the case of an installation with thermostatic
mixing valves, this inspection must be carried out with all valves
open.
The power actually needed will determine the heating water
ow rate, and thus, the distribution network calculation.
Adjust the pump speed to the characteristics of the hydraulic
circuit using the provided ow rate curves/pressure.

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3.3 - Treatment of the water in the
heating circuit
In order for the installation to allow for continuous purging,
automatic purgers must be placed at each high point of the
installation and manual purgers must be placed on each
radiator.
• Desludging tank
Plan for a desludging tank with a sucient volume at a low point
of the installation to be placed on the heating circuit inlet. This
tank should be equipped with a drain so it can collect the oxides,
particles, and scale which become detached from the internal
walls of the heating circuit while the boiler is in operation.
• Safety valve discharge
The connections and piping must be installed using materials
which are resistant to corrosion.
• Preparing the hydraulic circuit (rinsing)
Before installing the boiler, the installation must be rinsed
with an appropriate product. This allows to eliminate all traces
of debris such as: soldering waste, joint ller, grease, sludge,
metallic particles, etc..., in the radiators, underoor heating, etc...
This prevents any debris from travelling into the boiler’s heating
body.
• Expansion vessel and safety valve set to 3 bars
The Gialix boiler is equipped with an 8 litre expansion vessel
(pre-inated to 1.5 bars) and with a safety valve set at 3 bars.
Depending on the pressure head of the installation, it might be
necessary to adjust the expansion vessel’s pre-inated pressure
and to check that the 8 litre capacity corresponds to the volume
of the installation.
• Frost protection
If the boiler is being switched o for an extended period of time
in the winter (e.g., second residence, etc...), it is necessary to have
protection from frost or ice in place.
• Underoor heating
It is mandatory to install a 65oC safety aquastat (LTP) with
manual reset on the underoor heating outlet. This aquastat
must be able to cut the general electricity supply to the boiler.
• Thermostatic mxing valve
These valves should primarily be used in rooms benetting from
larger amounts of heat gains.
If an installation is equipped with both thermostatic mixing
valves and an ambient temperature thermostat, the room where
the thermostat is located must have the radiator(s) equipped
with manual valve(s).
In the case of an installation with «all
thermostatic mixing valves», it is necessary
to plan for the use of a bypass function
(e.g.: a dierential valve).
It is imperative to refer to the installation instructions for
the placement and mounting of the ambient temperature
thermostat to ensure satisfactory operation.
• Purging
Periodically chack that air is being purged from the high points
of the hydraulic installation.
3.3.1 - Filling water
3.3.2 - Treatment of the heating circuit
The materials used for the production of a heting circuit are of
diering natures. These properties can create a phenomena of
corrosion through the creation of a galvanic bridge in both new
and existing installations.
The lling of the heating circuit must be done only with water
from the domestic water network using untreated water (no
water softener). Using water from any other source (well water,
rainwater, etc...) renders the warranty null and void.
Central heating systems MUST BE
CLEANED to eliminate debris (copper,
bres, soldering uxes) related to set-up and
installation, as well as to avoid chemical reactions
between the metals.
It is also important to TO PROTECT THE
CENTRAL HEATING SYSTEM AGAINST RISKS
OF: CORROSION, LIMESCALE, AND MICROBIAL
DEVELOPMENT by using an APPROPRIATE
corrosion inhibitor for all types of installations
(steel or cast iron radiators, underoor heating).
PRODUCTS USED FOR THETREATMENT OF
HEATING WATER USED MUST COMPLY WITH ALL
NATIONAL STANDARDS INTHE COUNTRY OF
INSTALLATION.
We recommend the use of products in the SENTINEL range for
preventative and curative treatment of the heating circuit.
Pressure head of the
installation 2.5 57.5 10 12.5 15
Pre-inated pressure (bars)(1) 0.25 0.5 0.75 11.25 1.5
Maximum volume of water
of the installation covered by
the 8 litre expansion vessel(2)
152 138 125 111 97 83
Expansion factor(3) 0.05 0.058 0.064 0.072 0.083 0.096
(1)Deate and inspect the pressure of the vessel if necessary
(2)Count 11 litres per kW of heating capacity for steel radiators
13 litres per kW of heating capacity for cast iron radiators
17 litres per kW of heating capacity for underoor heating
(3)For installations with a large volume of water, multiply this volume by the expansion
factor corresponding to the pre-inated pressure to obtain the minimum volume of
expansion vessel needed. If necessary, add an additional expansion vessel to the expansion
vessel already provided in the boiler.
It is MANDATORY to read the additional
document concerning the quality of
water used for lling the installation.This
document is included with this manual as well as
in the packet with the warranty information.
This document also contains information which is
PERTINENT to theWARRANTY of the material.

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• For new installations: (less than 6 months old):
- Clean the installation with a universal cleaner to eliminate
the debris from the installation (copper, bres, soldering
uxes) Example: SENTINEL X300 or SENTINEL X800.
- Thoroughly rinse the installation until the water runs
clear, with no traces of impurities left.
- Protect the installation against corrosion with a corrosion
inhibitor, example: SENTINEL X100. Or against corrosion
and freezing with an inhibitor with an anti-freeze
additive. Example: SENTINEL X500 or SENTINEL R600.
• For existing installations:
- Desludge the installation with a desludging product
to eliminate any sludge from the installation. Example:
SENTINEL X400 or SENTINEL X800.
- Thoroughly rinse the installation until the water runs
clear, with no traces of impurities left.
- Protect the installation against corrosion with a corrosion
inhibitor, example: SENTINEL X100. Or against corrosion
and freezing with an inhibitor with an anti-freeze
additive. Example: SENTINEL X500 or SENTINEL R600.
Corrosion inhibitor:
- protects against the formation of limescale
- prevents «pinhole» type corrosion
- prevents in new installations,the formation of sludge and
the proliferation of bacteria
(in low temperature networks: algae)
- prevents the formation of hydrogen
- eliminates the sound of the generators
Treatment products from other manufacturers can be used if they
guarantee that the product is appropriate for all the materials
used in the appliance and oers ecient resistance to corrosion.
To nd this information refer to their user manual.
3.3.3 - Purging the installation
The oxygen present in the air is extremely corrosive. Therefore,
for a permanent purging of the installation to be eective,
place automatic or manual air purgers at each high point of the
installation, and manual purgers on each radiator.
All deterioration of the appliance due to an
inappropriate quality of water and/or the
presence of corrosion in the absence of treatment
products as described above, and/or an improper
purging of air in the installation will render the
warranty null and void.
RENDERINGTHEWARRANTY NULL ANDVOID
3.4 - Placement of the boiler
3.4.1 - Dimensions and spacing - Hydraulic
connections
Front view
View from the top
View from the bottom
Side view
1 : 4-speed circulator
2 : 8 L expansion vessel
3 : Safety valve set at 3 bars
4 : Low water pressure switch
6 : 60°C safety aquastat
7 : 100°C safety aquastat
8 : Boiler sensor
9 : Control panel
11 : Fuse
D : Heating outlet 1’’ female (26/34)
R : Heating inlet 1’’ female (26/34)

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3.4.2 - Placement
The Gialix wall mounted boiler must be placed vertically
against the wall with the support of at least two 8 lag bolts.
The boiler must be located at least 300mm above any obstacles to
allow for the removal of the heating elements from beneath the
appliance. It must be placed at least 100mm beneath the ceiling
to allow space for the hydraulic connections.
Embedding:
The boiler must be at least 10mm away from side walls.
3.4.3 - Placement of the boiler
3.4.3.1 - Removing the front panel
3.4.3.2 - Wall mounting
Pin for
Ø8 lag bolt
Pin for
Ø8 lag bolt

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Circulator UPM3 FLEX AS 15-70 GGMBP3 AU
pressure head
speed 4
speed 3
speed 2
speetd 1
speed 4
speed 3
speed 2
speed 1
power consumption
Circulator UPM3 FLEX AS 15-70 GGMBP3 AU
4-speed circulator allows to adjust speed based on the
characteristics of the installation.
Tp see which speed is currently selected, you must press on the
pushbutton for 2 seconds:
After 2 seconds, the dsiplay returns to power consumption mode.
Setting the speed of the circulator:
It is impossible to choose a speed at
this stage, consultation is possible if the
keyboard is not locked.
3.5 - Hydraulic connections 3.6 - Electrical connections
The heating outlet
(D) and inlet (R) are
connected at a high
point of the tank.
Do not remove the brass parts which are
located on the heating inlets and outlets.
Electrical connections could be
accidentally loosened during transport.
To prevent risks of abnormal heating, it is
necessary to check the faston type connections
and to tighten all screw-in connections.
The Gialix electric boilers are are delivered completely pre-
wired from the factory. It is necessary to connect the following
elements to the proper terminals:
- the general power supply for the power circuit,
- the dierent control circuits.
The Gialix electric boiler must be protected by an all-pole
protective device (with a minimum contact gap of 3mm: EN 60
335-1) with fuses or a thermal magnetic circuit breaker which is
sized based on the heating capacity of the boiler.
3.6.1 - Current consumption
Number and cross sections of power
supply cables
Fuse size
3.6.1.1 - Current consumption
Gialix Maximum power
P1
Current
requirements per
phase
24 kW -400V three-
phase - 24 kW 36 A
3.6.1.2 - Number and cross sections of power
supply cables
Rules and regulations in country of
installation must be respected
(Standard C15-100)
• The electrical supply line for the general power
circuit must be made in compliance with all
regulations and standards in the country of use
(e.g., standard C15-100).
• Standard C15-100 determines the width of the
cables to used based on the acceptable currents.
• Standard C15-100 determines the width of the
cables based on the following elements:
• Type of conductor:
- type of insulation, number of cores, etc...
• Installation mode
- inuence of groupings of cables and
conductors,
- ambient temperature,
- installed with or without gaskets,
- length of cables,
- etc...
LED 1 LED 2 LED 3 LED 4 LED 5 speed
(height in m)
RED ORANGE - - - 1 (4 m)
RED ORANGE -ORANGE -2 (5 m)
RED ORANGE -ORANGE ORANGE 3 (6 m)
RED ORANGE - - ORANGE 4 (7 m)

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Under no circumstances can the manufacturer be held liable for
consequences arising from the incorrect choice of cable widths
for the power supply cables, or the installation method and
specications used.
Example of determination based on standard C15-100:
- Ambient temperature: 20°C
- Type of cable: U1000 R02V
- Length < 15 m
- Installation without gaskets and with a well ventilated
cable channel
Gialix Maximum power
P1
Fuse sizes for
mains switch
24 kW -400V three-
phase- 24 kW 50 A
Gialix
Maximum
power
P1
MINIMUM width per phase in mm²
and number of conductors for this
example
24 kW
-400V three-
phase-
24 kW
L1 = Phase = 10²
L2 = Phase = 10²
L3 = Phase = 10²
N = Phase = 10²
4 x 10² + T *
* The width of the ground cable must be equal to the width of the largest
supply cable.
Gialix
Maximum
power
P1
MAXIMUM width per phase in
mm²
and number of conductors for
this example
24 kW
-400V three-
phase-
24 kW 4 x 16² + T *
* The width of the ground cable must be equal to the width of the largest
supply cable.
3.6.1.3 - Fuse size
3.6.2 - Electrical connection terminals
The terminal strips are spring loaded «CAGE CLAMPs»
For handling:
- For 2.5mm² control terminals use a 3.5 x 0.5 mm athead
screwdriver
- For 10mm² or 16mm² mains power terminals, use a 5.5 x 0.8
mm athead screwdriver
- For 4mm² intermediary power terminals, use a 3.5 x 0.5 mm
athead screwdriver.
Placement of the cable clamp
(provided with the boiler) for
input of the power supply
cable on the lower part of the
installation.
5 cable clamp imputs for control cables
(ambient temperature sensor, exterior or domestic sensors
and load shedding)
OR
Placement of the cable clamp
(provided with the boiler) for
input of the power supply
cable at the higher part of the
installation.
Remove the plastic cap and
place it on the lower part of
the installation.
Plastic cap to
reposition
Note: The wires must be stripped to the
following lengths:
- between 10 and 12 mm for the 2.5² control
terminals.
- between 17 and 20 mm for the mains
power terminals.
1: Insert the screwdriver in to the ap just above or
below the identication number.
2: Insert the wire into the «Cage Clamp» once it is
open.
3: Remove the screwdriver.

- installer GIALIX 24 MA COMFORT + -BC manual -
14
3.6.3 - Connection of conductors based on voltage supplied
3.6.4 - Control circuit schematic diagram
see § «Electrical connections» to determine
the connection cross-section and the size
of theIswitch with fuses or thermal magnetic
circuit breaker.
Neutral
Ground
L1 : Phase
N : Neutral
F : Fuse A4 size 5x20
C1 : Electronic board with display
CC : 3-speed circulator
TA ou SA : Ambient temperature thermostat or sensor
AqECS : DHW aquastat
or
SECS : DHW sensor
SExt : Exterior sensor
SC : Boiler sensor
V3V ECS : DHW 3-way valve (counter spring)
AQS1 : 60°C safety aquastat with manual reset
AQS2 : 100°C safety aquastat with manual reset
K1 to K6 : 20A power contactors
DT : Total load shedding (remove the jumper)
DP1 et DP2 : Partial load shedding (remove the jumper)
H : Timer

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3.6.5 - Connection to the control circuit
1 - 2 : Ambient temperature
thermostat or sensor
(TA or SA)
3 - 4 : Exterior sensor
5 - 6 : Domestic hot water sensor
or DHW aquastat
8 - 10 : 230V power supply of the
DHW 3-way valve with
counter spring (motor
supplied in case of DHW
request)
10 - 11 : Total load shedding DT
(remove the jumper) and/or
the underoor heating 65°C
temperatue limiter with
manual reset (mandatory)
(see§«Description»)
12 - 13 : Partial load shedding DP1
(remove the yellow jumper)
4 - 15 : Partial load shedding DP2
(remove the yellow jumper)
20 - 21 : Timer
• To prevent disturbances in sensor
readings by the regulator,
independently wire the cables for the
electrical network (raceways, cable
channels), and avoid junction boxes.
• The conductors must be made of electrolytic
copper (no oxidization of the stripped sections
of cable).
• The use of telephone wire is forbidden (multiple
strands lead to weaker cable sections and
broken connections).
• The width of cable sections must be between
0.5 and 2.51mm².

- installer GIALIX 24 MA COMFORT + -BC manual -
16
3.6.7 - Wiring diagram
black
black
purple
purple
red
red
orange
orange
yellow
yellow
white
white
red
blue
black
Timer TRANSFORMER
black
black
red
red
white
white
white
white
red
red
black
black
blue
blue
blue
blue
brown brown
pink pink grey grey
orange
black
red
white
black
red
white black
red
white black

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PH : Phase
N : Neutral
F : Fuse 4A, size 5x20
C1 : Electronic board with display
CC : 3-speed circulator
TA or SA : Ambient temperature thermostat
or sensor
AqECS : Domestic hot water aquastat
or
SECS : Domestic hot water sensor
SExt : Exterior sensor
SC : Boiler sensor
H : Timer
V3V : DHW 3-way valve (with counter
spring)
AQS1 : 60°C safety aquastat with manual
reset
AQS2 : 100°C safety aquastat with manual
reset
K1 to K4 : 20A contactor
T1 and T2: 6kW heating elements
black
black
purple
purple
red
red
orange
orange
yellow
yellow
white
white
red
blue
black
Timer TRANSFORMER
black
black
red
red
white
white
white
white
red
red
black
black
blue
blue
blue
blue
brown brown
pink pink grey grey
orange
black
red
white
black
red
white black
red
white black

- installer GIALIX 24 MA COMFORT + -BC manual -
18
3.6.8 - Lowering the boiler temperature by disconnecting the heating elements
To supply power to the boiler using smaller fuses (see § «Setting the regulator»), it is necessary to permanently lower the boiler’s power level
by disconnecting the heating elements as shown in the following diagrams:
Factory wiring: 24kW
Black
Blue
White
W w
6 stages
BlBl BlW W WR RR
RRR WWW BlBlBl
w
w
w
w
w
w
L1: terminal L1
L2: terminal L2
L3: terminal L3
K1: contactor n˚1
K2: contactor n˚2
K3: contactor n˚3
K4: contactor n˚4
K5: contactor n˚5
K6: contactor n˚6
1- Parameter n˚17 = 01 (5.3 kW)
2- Parameter n˚18 = 01 (2.6 kW)
3- Parameter n˚19 = 01 (5.3 kW)
4- Parameter n˚20 = 01 (2.6 kW)
5- Parameter n˚21 = 01 (5.3 kW)
6- Parameter n˚22 = 01 (2.6 kW)
Red
Adjustment: 21.3 kW: • Remove the black power cable upstream from contactor K6
1- Parameter n˚17 = 01 (5.3 kW)
2- Parameter n˚18 = 01 (2.6 kW)
3- Parameter n˚19 = 01 (5.3 kW)
4- Parameter n˚20 = 01 (2.6 kW)
5- Parameter n˚21 = 01 (5.3 kW)
6- Parameter n˚22 = 00 (0.0 kW)
5 stages
Black
Blue
White
W w
Red
L1: terminal L1
L2: terminal L2
L3: terminal L3
K1: contactor n˚1
K2: contactor n˚2
K3: contactor n˚3
K4: contactor n˚4
K5: contactor n˚5
K6: contactor n˚6
RRR WWW
Bl
BlBl
BlBl BlW W WR RR
w
w
w
w
w
w

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Adjustment: 18.6 kW: • Remove the black and white power cables upstream from contactor K5-K6
L1: terminal L1
L2: terminal L2
L3: terminal L3
K1: contactor n˚1
K2: contactor n˚2
K3: contactor n˚3
K4: contactor n˚4
K5: contactor n˚5
K6: contactor n˚6
Black
Blue
White
W w
Red
1- Parameter n˚17 = 01 (5.3 kW)
2- Parameter n˚18 = 01 (2.6 kW)
3- Parameter n˚19 = 01 (5.3 kW)
4- Parameter n˚20 = 01 (2.6 kW)
5- Parameter n˚21 = 01 (2.6 kW)
6- Parameter n˚22 = 00 (0.0 kW)
5 stages
BlBl BlW W WR RR
RRR
W
WW
Bl
BlBl
w
w
w
w
w
w
Adjustment: 16 kW: • Remove the black and white power cables upstream from contactor K5-K6
• Remove the red power cable upstream from contactor K5
Black
Blue
White
W w
L1: terminal L1
L2: terminal L2
L3: terminal L3
K1: contactor n˚1
K2: contactor n˚2
K3: contactor n˚3
K4: contactor n˚4
K5: contactor n˚5
K6: contactor n˚6
Red
1- Parameter n˚17 = 01 (5.3 kW)
2- Parameter n˚18 = 01 (2.6 kW)
3- Parameter n˚19 = 01 (5.3 kW)
4- Parameter n˚20 = 01 (2.6 kW)
5- Parameter n˚21 = 00 (0.0 kW)
6- Parameter n˚22 = 00 (0.0 kW)
4 stages
BlBl BlW W WR RR
R
RR
W
WW
Bl
BlBl
w
w
w
w
w
w

- installer GIALIX 24 MA COMFORT + -BC manual -
20
3.7 - Set-up
3.7.1 - Filling the installation 3.7.2 - Setting the regulator
• Fill the boiler (see § «Treatment of the heating circuit»).
• Periodically check that the installation is purging from the high
points of the installation.
Upper
display
Summer LED
- Button
Winter LED
+ Button
On/O
button Lower
display
Auto/Manu
button
Switch to winter
and radiator button
Boiler operating
LED
Switch to summer
mode button
Before switching the boiler on, ensure that
it is properly purged.
• To help in purging the installation while in standby mode, force
the circulator to operate for 2 minutes by pressing .
• Turn on the boiler by pressing for 5 seconds →all of the
LEDs on the control panel should light up.
Then:
• The temperature of the boiler will appear on the upper display
screen (example:12°C).
• The pressure in bars will appear on the lower display screen.
• Check that the pressure is above 0.5 bars. If this is not the case,
adjust the lling of the boiler without exceeding 3 bars of
pressure.
Function designed to be used by the
installer only.
•Press and (3 sec) to switch to programming mode for 4
minutes:
àDisplay of parameter no01 on the upper display
(ashing).
•Press or (0 sec) to select the parameter no:
àDisplay of parameter no02 and so forth up to
parameter no 23.
•Press or (0 sec) to set the value of the parameter.
àThe value of the parameter (for example* 50) will
appear on the lower display and will be ashing.
•Press or (0 sec) to change the value of the parameter
(on the lower display).
•Press or (0 sec) to conrm the value of the parameter.
àThe value of the parameter (lower display) is set and
the parameter no(upper display) ashes.
•Press or to select another parameter
or
•Press and (3 sec) to exit programming mode (this
option is available at all times).