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ECONCEPT ST
EN
1. GENERAL INSTRUCTIONS
•
Carefully read the instructions contained in this instruction booklet.
•
After boiler installation, inform the user regarding its operation and give him this
manual, which is an integral and essential part of the product and must be kept with
care for future reference.
•
Installation and maintenance must be carried out by professionally qualified person-
nel, according to current regulations and the manufacturer's instructions. Do not car-
ry out any operation on the sealed control parts.
•
Incorrect installation or inadequate maintenance can result in damage or injury. The
Manufacturer declines any liability for damage due to errors in installation and use
or failure to follow the instructions.
•
Before carrying out any cleaning or maintenance operation, disconnect the unit from
the power supply using the system switch and/or the special cut-off devices.
•
In case of a fault and/or poor operation, deactivate the unit and do not attempt to repair
it or directly intervene. Contact professionally qualified personnel. Repair/replacement of
the products must only be carried out by professionally qualified using original spare
parts. Failure to comply with the above could affect the safety of the unit.
•
This unit must only be used for its intended purpose. Any other use is considered
improper and therefore dangerous.
•
The packing materials are potentially hazardous and must not be left within the
reach of children.
•
The images given in this manual are a simplified representation of the product. In
this representation there may be slight and insignificant differences with respect to
the product supplied.
2. OPERATING INSTRUCTIONS
2.1 Introduction
Dear Customer,
Thank you for choosing ECONCEPT ST, a wall-mounted boiler featuring FERROLIad-
vanced design, cutting-edge technology, high reliability and quality construction. Please
read this manual carefully since it provides important information on safe installation, use
and maintenance.
ECONCEPT ST is a high-efficiency, low emissions, sealed chamber, premix condens-
ing heat generator for heating and hot water production, running on natural gas or LPG
and equipped with a microprocessor control system.
The boiler shell consists of an aluminium lamellar exchanger and a ceramic premix
burner equipped with electronic ignition and ionisation flame control, modulating speed
fan and modulating gas valve. Domestic hot water production occurs through a special
stratification storage tank.
2.2 Control panel
12
1
14
2
11
13
27
26
24
3
25
23
4
22
fig. 1 - Control panel
Key
1 =
DHW temperature setting decrease button
2 =
DHW temperature setting increase button
3 =
Heating system temperature setting decrease button
4 =
Heating system temperature setting increase button
5 =
Display
6 =
Summer / Winter mode selection button
7 =
Economy / Comfort mode selection button
8 =
Reset / filling button
9 =
Unit On / Off button
10 =
Sliding Temperature" menu button
11 =
Set DHW temperature reached
12 =
DHW symbol
13 =
DHW mode
14 =
DHW outlet temperature / setting (blinking during "Exchanger protection" func-
tion)
15 =
Eco (Economy) or Comfort mode
16 =
Outside sensor temperature (with optional outside sensor)
17 =
Appears on connecting the outside Sensor or the Remote Timer Control (op-
tionals)
18 =
Room temperature (with optional Remote Timer Control)
19 =
Burner lit and actual power (blinking during "Flame protection" function)
20 =
Antifreeze operation
21 =
Heating system pressure
19
15
5
16
7
ecomfort
bar
6
21
20
18
17
cod. 3540S814 -
22 =
Fault
23 =
Heating delivery temperature / setting (blinking during "Exchanger protection"
function)
24 =
Heating symbol
25 =
Heating mode
26 =
Set heating delivery temperature reached
27 =
Summer mode
Indication during operation
Heating
A heating demand (generated by the Room Thermostat or Remote Timer Control) is in-
dicated by flashing of the hot air above the radiator (details 24 and 25 - fig. 1).
The display (detail 23 - fig. 1) shows the actual heating delivery temperature and, during
heating standby time, the message "d2".
The heating graduation marks (detail 26 - fig. 1) light up as the heating sensor tempera-
ture reaches the set value.
eco
Domestic hot water (DHW)
A hot water tank heating demand is indicated by flashing of the hot water under the tap
(details 12 and 13 - fig. 1).
The display (detail 14 - fig. 1) shows the actual hot water outlet temperature and, during
DHW standby time, the message "d1".
The DHW graduation marks (detail 11 - fig. 1) light up as the hot water tank sensor tem-
perature reaches the set value.
comfort
Exclude hot water storage tank (economy)
Hot water storage tank temperature maintaining/heating can be excluded by the user. If
9
10
excluded, domestic hot water will not be delivered.
When hot water tank heating is activated (default setting), the COMFORT symbol (detail
15 - fig. 1) is activated on the display, and when off, the ECO symbol (detail 15 - ) is
activated fig. 1on the display.
The hot water tank can be deactivated by the user (ECO mode) by pressing the eco/
comfort button (detail 7 - fig. 1). To activate the COMFORT mode, press the eco/com-
fort button (detail 7 - fig. 1) again.
2.3 Lighting and turning off
Boiler not electrically powered
8
B
The antifreeze system does not work when the power and/or gas to the unit are
turned off. To avoid damage caused by freezing during long idle periods in win-
ter, it is advisable to drain all water from the boiler, DHW circuit and system; or
drain just the DHW circuit and add a suitable antifreeze to the heating system,
complying with that prescribed in sec. 3.3.
/201
(Rev. 00)
bar
fig. 2
bar
fig. 3
fig. 4 - Boiler not electrically powered
eco
bar
comfort
bar
EN
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