Systema Eolo 20AE Series User manual

INSTRUCTION MANUAL
INSTALLATION, USE AND MAINTENANCE
EOLO
GAS AIRTIGHT SUSPENDED
WARM AIR HEATERS
Series with axial fan models 20AE, 30AE, 50AE, 70AE, 90AE
Series with centrifugal fan models 20AC, 30AC, 50AC, 70AC, 90AC
ENGLISH

IMPORTANT
Read this manual carefully before starting up the system. In order to improve the product,
Systema reserves the right to modify the content without prior notice.
Revion 10EE0112
Via San Martino 17 23
S. GIUSTINA IN COLLE (PD)
loc. Fratte Fontane Bianche
PADOVA - ITALY
Tel [phone]
(8 linee r.a.)
Fax [phone]
E-mail: [email protected]
commercial informations
http://www.systema.it
technical informations

Gas airtight suspended warm air heaters - EOLO
3Rev. 10EE0112
SYSTEMA S.p.A.
Contents
1 ENERAL RULES .............................................................................. 5
2 PACKA IN ....................................................................................... 5
2.1 List of packing ......................................................................................................
3 ENERAL TECHNICAL SPECIFICATIONS ....................................... 7
3.1 Description and operating specifications .......................................................... 7
3.2 Technical specifications....................................................................................... 8
3.2.1 Suction series with axial fans .............................................................................................8
3.2.2 Suction series with centrifugal fans ...................................................................................9
3.3 Main control and safety components on the appliance .................................. 10
3.4 Overall dimensions ............................................................................................. 12
3. Exploded view of Eolo heaters .......................................................................... 13
3.5.1 Exploded view of Eolo20AE .............................................................................................13
3.5.2 Exploded view of Eolo20A .............................................................................................13
3.5.3 Exploded view of Eolo30AE .............................................................................................14
3.5.4 Exploded view of Eolo30A .............................................................................................14
3.5.5 Exploded view of Eolo50AE-Eolo70AE ............................................................................15
3.5.6 Exploded view of Eolo50A -Eolo70A ...........................................................................15
3.5.7 Exploded view of Eolo90AE .............................................................................................16
3.5.8 Exploded view of Eolo90A .............................................................................................16
3.5.9 Legend of components ....................................................................................................17
3.6 Position of the ignition and detection electrodes ............................................ 18
3.7 Position of the nozzle ........................................................................................ 18
4 INSTALLATION ................................................................................. 19
4.1 Place of installation and safety distances ........................................................ 19
4.2 Installing the appliance ...................................................................................... 20
4.2.1 Fitting the brackets for Eolo 20 ........................................................................................ 20
4.2.2 Fitting the brackets for Eolo 30-50-70-90 ........................................................................21
4.3 Fitting the fire damper (optional) ....................................................................... 22
5 SETTIN UP THE APPLIANCE ........................................................ 23
.1 Examples of applications ................................................................................... 23
6 DISCHAR E AND SUCTION DUCTS .............................................. 24
6.1 Coaxial roof discharge for Eolo20 (type C32) .................................................. 2
6.2 Coaxial wall discharge for Eolo20 (type C12) .................................................. 26
6.3 Separate wall discharge for Eolo20 (type C12) ................................................ 27
6.4 Coaxial roof discharge for Eolo30- 0-70-90 (type C32) ................................... 28
6. Coaxial wall discharge for Eolo30- 0-70-90 (type C12) ................................... 29
6.6 Separate wall discharge for Eolo30- 0-70-90 (type C12)................................. 30
6.7 Separate roof discharge for Eolo30- 0-70-90 (type C32) ................................ 31
7 AS PIPES........................................................................................ 32
7.1 Connecting the appliance .................................................................................. 32
8 ELECTRICAL SYSTEM..................................................................... 33

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8.1 Connection diagram to CE type boards mod. 04CEQU1202 (without timer)
and mod. 04CEQU1203 (with timer) .................................................................. 33
8.2 Connection to the board code 04CEQU1204 .................................................... 34
8.3 Internal wiring diagram Eolo 20-30- 0 ............................................................... 3
8.4 Internal wiring diagram Eolo 70-90 .................................................................... 36
9 INSPECTION AND STARTIN UP THE SYSTEM ......................... 37
9.1 Preliminary ignition procedures ........................................................................ 37
9.2 Ignition phases.................................................................................................... 37
9.3 Adjusting the pressure on the solenoid valve and pressure intake ............... 38
9.4 Bi-thermostat for adjusting fan start-up ............................................................ 39
9.3 Measuring the efficiency .................................................................................... 40
9.3.2 Measuring the temperature of combustion air .................................................................. 40
10 MAINTENANCE ................................................................................ 41
10.1 Gas conversion ................................................................................................... 41
10.1.1 onversion from Natural Gas to LPG .............................................................................. 41
10.1.2 onversion from LPG to Natural Gas .............................................................................. 42
10.2 Operating faults ................................................................................................... 43
11 WARRANTY ...................................................................................... 44
11.1 Subject-matter and duration of the warranty .................................................... 44
11.2 Exclusions from the warranty ............................................................................ 44
11.3 Competence ........................................................................................................ 4
11.4 Operativeness and efficacy of the warranty ..................................................... 4
11. Responsibility ..................................................................................................... 4
11.6 Legal disputes  Territorial competence and rights of the parties.................. 4
12 SETTIN ASIDE............................................................................... 45
13 NOTES .............................................................................................. 46

Gas airtight suspended warm air heaters - EOLO
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1 GENERAL RULES
This instruction manual is an integral and essential part of the appliance and must be kept carefully
beside the appliance for further consultation.
Read the instructions and warnings contained in this manual carefully as they provide important
information on safety, installation, use and maintenance.
IMPORTANT !!
In the event of this man al being misplaced contact the man fact rer immediately.
Several appliances installed in the same room or in directly communicating rooms, are considered as
a single system, with a thermal capacity of the total of the thermal capacities of each single appliance.
Their use is not permitted to heat rooms destined for handicraft or industrial activities in which processes
and materials stored may cause the formation of gas, vapours or powders susceptible to induce fires
or explosions.
Installation must be performed by professionally qualified personnel responsible for compliance with
the current safety standards. The manufacturer declines all responsibility in the event of damages
caused by erroneous installation or improper and or incorrect use of the appliance.
The packaging materials (nylon, foamed polystyrene, wood, staples, etc.) must not be left within the
reach of children as they are potential sources of danger.
Initial ignition of the appliance must be performed by qualified personnel.
In the case of the appliance shutting down or functioning incorrectly it must be switched off. Any
repairs or replacement of spare parts must be performed solely by qualified personnel using exclusively
original spare parts. Non-compliance with the aforesaid rules may endanger the safety of the appliance.
To guarantee correct operation of the appliance it is fundamental to carefully follow the instructions
provided by the manufacturer and to have the appliance serviced by qualified personnel at least once
a year.
N.B. To switch off the appliance always used the ambient thermostat and not the master switch on the
control board on the ground, as this could cause overheating in the combustion chamber with
consequent damage to the appliance.
The heater may be installed outdoors with temperatures down to -15°C. Below this temperature operation
of the appliance is no longer guaranteed.
2 PACKAGING
2.1 List of packing
a) The appliance complete with all its parts is delivered packed and wrapped in a protective nylon film
inside which the following are also found: the wall-mounting brackets, the electric control board
with relevant thermostat with probe (if requested) and two air fume terminations (if requested).

Gas airtight suspended warm air heaters - EOLO
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3 GENERAL TECHNICAL SPECIFICATIONS
3.1 Description and operating specifications
EOLO suspended gas warm air heater is composed of a combustion chamber in stainless steel,
inside which a gaseous component (natural gas or LPG) is combusted. In just a few minutes the
external surfaces of the combustion chamber and fume tube nest, lapped by ambient air circulated by
the fans, reach their operating temperature.
The appliance operates automatically; the systems for electronic control, mixing, combustion, ignition,
suction of combustion air and discharge of fumes are housed in a compartment provided with an
inspection hatch that makes adjustment and maintenance operations easy to perform. A fan-limit
safety bi-thermostat controls start-up and shut-down of the fan unit, also shutting down the burner in
the case in which the supply air temperature exceeds the safety values permitted.
Suction of combustion air and discharge of fumes can be conveyed directly outside the building (type
C appliance); therefore, there is no communication between the combustion chamber and the indoor
environment (this guarantees maximum safety).
In the summer the fan unit can be operated alone to provide ambient comfort and provide a supply of
fresh air. To switch to this operation press the button on the aluminium front of the bi-thermostat.

Gas airtight suspended warm air heaters - EOLO
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3.2 Technical specifications
3.2.1 Suction series with axial fans

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Rev. 10EE0112
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3.2.2 Suction series with centrifugal fans

Gas airtight suspended warm air heaters - EOLO
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Rev. 10EE0112
3.3 Main control and safety components on the appliance
a) Electronic control nit: one for all models. This controls opening of the gas solenoid valve and
ignition of the burner. After receiving the electrical signal from the ambient thermostat, it checks
that the pressure switch is operating normally (ignition is not enabled unless this check is passed).
It then enables prewash of the combustion chamber (4 exchanges) and then ignition by means of
a spark. If the flame is not detected (ionization probe) within the safety time the appliance shuts
down. To restart it wait a few seconds and press the specific reset button with LED on the control
board.
CONTROL UNIT TECHNICAL SPECIFICATIONS
Make ............................................................ BRAHMA ........................ BRAHMA
Mod .............................................................. CM 31 F.......................... CM 32 F
Supply voltage .............................................. 220 240 V 50 60 Hz ....... 220 240 V 50 60 Hz
Utilization temperature .................................. de -20 °C à + 60°C .........de -20 °C à + 60°C
Prewash time ............................................... 20 sec ............................. 20 sec
Safety time at start-up .................................. max 10 sec ..................... max 10 sec
Safety time at shut-down .............................. < 1sec ............................. < 1 sec
b) Differential press re switch: the aim of this is to interrupt operation of the appliance if the flow rate
of the fan-exhaust fan is insufficient caused either by a fault in the fan or by clogging in the combustion
circuit (combustion air duct, combustion chamber, heat exchanger, combustion products discharge),
both of which can be caused by bad combustion  CO forming above the permitted limits. This is
located inside the compartment which houses all the control components, and detects, by means
of two silicone tubes, both the pressure in the combustion air suction duct and the pressure inside
the burner box in which the combustion torch is located. The difference between the two pressure
values with the exhaust fan operating is the control signal for safe and correct combustion.
PRESSURE SWITCH SPECIFICATIONS
Make ..................................................................................................... HUBA CONTROL
Code ...................................................................................................... 605.99501
Assembly position ................................................................................. vertical
Max. working pressure .......................................................................... 5000 Pa
Reset point (opening) ............................................................................ 110 Pa (+ - 16 Pa)
Pneumatic connection ........................................................................... Ø 6,2 mm
Utilization temperature ........................................................................... -30°C, +85°C
c) Gas valve: this is multifunction and multigas with double safety solenoid valve (connected in series)
in class B. Provided with a pressure regulator, slow ignition device and gas filter. Located on the
aluminium body are the threaded gas inlet-outlet connection ½ RP UNI-ISO 7, with relevant pressure
inlet and outlet. Gas valve adjustment and the only maintenance operation that can be performed
on the valve (replacement of the coils) must only be executed by qualified technicians.
GAS VALVE TECHNICAL SPECIFICATIONS
Make ..................................................................................................... SIT CONTROLS
Mod. ...................................................................................................... 830 TANDEM
Supply voltage ....................................................................................... 220 240 V 50 60 Hz
Degree of electrical protection ............................................................... IP 54
Closing time .......................................................................................... < 1s
Utilization temperature ........................................................................... 0° ÷ +60 °C
-20° ÷ +60 °C (on request)
Range of output pressure ...................................................................... 3 ÷ 50 mbar

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d) Fan-limit safety bi-thermostat with a tomatic reset: this has a double aim:
-to control start-up of the fans after the air has reached 50°C and shut-down of these when the air
temperature has dropped below 30°C;
-to interrupt operation of the appliance if there is abnormal overheating of the air (>90°C); the appliance
can be reset manually using the reset button located on the board.
SAFETY BI-THERMOSTAT TECHNICAL SPECIFICATIONS
Limit control ........................................................................................... 4 (4) A
Fan control ............................................................................................ 7 (7) A
Supply voltage ....................................................................................... 230-240 V

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Fig.2 Overall dimensions
SERIES AE with axial fan
SERIES AC with centrif gal fan
3.4 Overall dimensions
Front view Rear view Side view
Front view Rear view Side view

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Fig. 3 Exploded view of EO O20AE
Fig. 4 Exploded view of EO O20AC
3.5 Exploded view of Eolo heaters
3. .1 Exploded view of Eolo20AE
3. .2 Exploded view of Eolo20AC

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Fig.5 Exploded view of EO O30AE
Fig.6 Exploded view of EO O30AC
3. .3 Exploded view of Eolo30AE
3. .4 Exploded view of Eolo30AC

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3. . Exploded view of Eolo 0AE-Eolo70AE
Fig. 8 Exploded view of Eolo50AC-Eolo70AC
Fig. 7 Exploded view of Eolo50AE-Eolo70AE
3. .6 Exploded view of Eolo 0AC-Eolo70AC

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Fig. 9 Exploded view of Eolo90AE
Fig. 10 Exploded view of Eolo90AC
3. .7 Exploded view of Eolo90AE
3. .8 Exploded view of Eolo90AC

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3. .9 Legend of components

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Fig. 12a Position of nozzles
Fig. 11 Position of electrodes
Fig. 12b Position of nozzles - second flame level
(Eolo 70 AE/AC, Eolo 90 AE/AC)
3.6 Position of the ignition and detection electrodes
3.7 Position of the nozzle

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Rev. 10EE0112
Fig.11b
Fig.11a
Fig.11c
Fig.11d
Fig.11e
4 INSTALLATION
4.1 Place of installation and safety distances
To obtain the maximum yield from EOLO suspended warm air heaters the following rules should be followed:
- Establish the position, bearing in mind the type of work, priority zones to be heated and absorbing walls
(windows, doors, entrances etc.) see fig. (11a, 11b, 11c).
- Install the appliances respecting the correct
distances from the walls see. fig. ( 11d,11e)
- Install the EOLO suspended heaters as near
as possible to the zone to be heated comply-
ing with a distance from the floor and from
people to ensure the jet of warm air is not
aimed directly at them.
- When positioning the EOLO suspended
heaters take into account any obstacles, such
as shelves, walls, columns, etc..
- If several appliances are to be installed in the
same environment, it is advisable to position
these on opposite walls and between one
another to cover the area to be heated
uniformly.
- If there are any drafts of cold air from
entrances, doors, etc., it is advisable to install
the appliances so that the jet of hot air is aimed
towards the source of cold air.
- Appliances must never be installed in niches
or positions that do not guarantee sufficient
aeration for correct operation.
- Several appliances installed in the same room
or in directly communicating rooms, are
considered as a single system, with a thermal
capacity of the total of the thermal capacities
of each single appliance.
- In environments subjected to vacuum
pressures or in which processes develop a
noteworthy amount of non-combustible dust,
the appliances must be installed so that air
suction and discharge of fumes is performed
directly from the outside through the outside
wall (or aperture) of the room in which the
appliances are installed.
- Installation must be performed by
professionally qualified personnel responsible
for complying with the current safety
standards. The manufacturer declines all re-
sponsibility in the case of damages caused
by erroneous installation or improper and or incorrect use of the appliance.
N.B. Make s re that rooms are specifically ventilated for type B applications

Gas airtight suspended warm air heaters - EOLO
20
SYSTEMA S.p.A.
Rev. 10EE0112
Fig. 13 Fixing brackets for Eolo20
4.2 Installing the appliance
4.2.1 Fitting the brackets for Eolo 20
1= Bracket to be fixed to the wall
2= Bracket to be fixed under Eolo
3= Supporting bracket