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1. GENERAL WARNINGS
•
Carefully read and follow 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, in compliance with the current regulations and according to the manufacturer's
instructions. Do not carry 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 electrical power supply using the switch and/or the special cut-off devices.
•
In case of a fault and/or poor operation, deactivate the unit and do not try to repair
it or directly intervene. Contact professionally qualified personnel. Any repair/re-
placement of the products must only be carried out by qualified personnel using orig-
inal replacement 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 deemed im-
proper and therefore hazardous.
•
The packing materials are potentially hazardous and must not be left within the
reach of children.
•
The unit must not be used by people (including children) with limited physical, sen-
sory or mental abilities or without experience and knowledge of it, unless instructed
or supervised in its use by someone responsible for their safety.
•
The unit and its accessories must be appropriately disposed of, in compliance with
the current regulations.
•
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,
VENUS BA MS 24- 34 is a high-efficiency, low emissions premix condensing heat gen-
erator with exchanger in steel, with integrated DHW production, running on natural gas
or LPG and equipped with a microprocessor control system.
The sealed chamber unit is suitable for indoor installation or outdoors in a partially pro-
tected place (according to EN 297/A6) with temperatures to -5°C (-15°C with optional
antifreeze kit).
2.2 Control panel
1
8
5
11
12
14
3
fig. 1 - Control panel
Panel - legend fig. 1
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
"Sliding Temperature" Menu - Summer/Winter mode selection - Reset button
7
Unit On/Off - Economy/Comfort mode selection button
8
DHW symbol
9
DHW mode
10
Summer mode
11
Multifunction (flashing during exchanger protection function)
12
Eco (Economy) mode
13
Heating
14
Heating symbol
15
Burner lit and actual power level (flashing during flame protection function)
16
Service Tool connection
17
Water gauge
18
EN
2
9
10
15
7
eco
2
comfort
1
0
reset
4
13
16
6
cod. 3541I710 - Rev. 00 - 06/2016
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 on the display.
The display (detail 11 - fig. 1) shows the actual heating delivery temperature and, during
heating standby time, the message "d2".
Domestic hot water (DHW)
A DHW demand (generated by drawing domestic hot water) is indicated by flashing of
the hot water under the faucet on the display.
The display (detail 11 - fig. 1) shows the actual DHW outlet temperature and, during
DHW standby time, the message "d1".
Comfort
A Comfort demand (reinstatement of temperature inside the boiler) is indicated by flash-
ing of the water under the tap on the display. The display (detail 11 - fig. 1) shows the
actual temperature of the water in the boiler.
Fault
In case of a fault (see cap. 4.4) the display shows the fault code (detail 11 - fig. 1) and,
during safety standby times, the messages "d3" and "d4".
2.3 Connection to the power supply, switching on and off
Boiler not electrically powered
17
B
To avoid damage caused by freezing during long idle periods in winter, it is ad-
visable to drain all the water from the boiler.
Boiler electrically powered
Switch on the power to the boiler.
3
4
•
During the first 5 seconds the display will also show the card software version
•
For the following 300 seconds the display will show FH which identifies the heating
system air venting cycle.
•
Open the gas valve ahead of the boiler
•
When the message FH disappears, the boiler is ready to operate automatically
whenever domestic hot water is drawn or in case of a room thermostat demand
VENUS BA MS 24- 34
fig. 2
fig. 3
fig. 4 - Boiler not electrically powered
fig. 5 - Switching on / Software version
fig. 6 - Venting cycle
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