Nova Florida DELFIS Monothermal Guida rapida
DELFIS
Monothermal
INSTALLATION, USE AND MAINTENANCE
EN
Translation of the
original instructions (in
Italian)
IST 04 C 404 - 01
2
Dear Sirs,
thank You for choosing and buying one of our products. Please read these instructions carefully in order to properly install, operate, and
maintain the product.
WARNING
• We inform users that:
• Boilers shall be installed by an authorised company under the requirements set forth by the prevailing rules, in full compliance
with the prevailing regulations and standards.
• Anyone entrusting installation to an unqualied installer will be subject to administrative sanctions.
• Boilers must be maintained by qualied personnel only, under the requirements set forth by the prevailing rules.
WARNING
In existing buildings, this natural draught boiler must be connected only to ue pipes shared by several houses to vent the
combustion residues outside the premises inside which boiler is installed.
Boiler takes the air necessary to combustion directly from the installation premises and features a wind-proof ue.
Due to a lower eciency, any other use of this boiler must be avoided as it would result in a higher energy consumption and higher
operating costs.
We hereby inform you that certain models, versions and/or accessories relevant to the products this manual refers to, might not
be available in some countries.
Therefore, it is recommended to contact the manufacturer or the importer in order to get the necessary information about the
actual availability of such models, versions and/or accessories.
The manufacturer reserves the right to modify the products and/or its components as deemed necessary, in any moment and
without prior notice.
This instruction manual is available in two languages, Italian and English, without prejudice to the prevalence of Italian language
in case of dierences in translation and/or dispute on construction of the text.
3
General notes for installing and maintenance technicians, and users
This instruction manual is an integral and essential part of the product. It shall be supplied by the installer to the user who shall keep it carefully
to consult it whenever necessary.
This document shall be supplied together with the equipment in case the latter is sold or transferred to others.
DANGER
This equipment has been manufactured to be connected to a room heating system and to a DHW distribution system.
Any other use shall be considered unsuitable and dangerous for people, animals, and/or property.
The equipment shall be installed in compliance with the prevailing standards and in accordance with the manufacturer's instructions specied
in this manual: the manufacturer will not be held responsible for injuries to people and animals and/or damages to property resulting from
an incorrect installation.
Damage and/or injury caused by incorrect installation or use and/or damage and/or injury due to non-observance of the manufacturer’s
instructions shall release the manufacturer from any and all contractual and extra-contractual liability.
Before installing the boiler, check that the technical data correspond to the requirements for its correct use in the system.
Check that the boiler is intact and it has not been damaged during transport and handling. Do not install equipment which is clearly damaged
and/or faulty.
Do not obstruct the air intake openings.
Only original accessories or optional kits (including the electric ones) are to be installed.
Properly dispose of the packaging as all the materials can be recycled. The packaging must therefore be sent to specic waste management
sites.
After removing the packaging, make sure that its elements (clips, plastic bags, foam polystyrene etc.) are note left within the reach of children
as they are potential hazard sources.
In the event of failure and/or faulty functioning, switch o the boiler. Do not attempt to make repairs: contact qualied technicians.
Original parts must be used for all repairs to the boiler.
Non-observance of the above requirements may aect the safety of the boilers and endanger people, animals and/or property.
This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of
experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible
for their safety.
Children should be supervised to ensure that they do not play with the appliance.
WARNING
The boiler must be serviced periodically as indicated in the relevant section of this manual.
Appropriate boiler maintenance ensures ecient operation, environment preservation, and safety for people, animals and objects.
Incorrect and irregular maintenance can be a source of danger for people, animals and property.
The user is strongly advised to have the system serviced and repaired by qualied personnel, satisfying all prevailing law requirements, and
trained to properly carry out these operations.
In the event of long periods of inactivity of the boiler, disconnect it from the electrical power mains and close the gas cock. The electronic
antifreeze function will not be operative with the device disconnected from the electric power supply and gas cock closed.
Should there be a risk of freezing, add antifreeze: it is not advisable to drain the system as this may result in damage;use specic anti-freeze
products suitable for multi-metal heating systems.
4
DANGER
With gas red boilers, take the following measures if you smell gas:
• Do not turn on or o electric switches and do not turn on electric appliances.
• Do not ignite ames and do not smoke.
• Close the main gas cock.
• Open doors and windows.
• Contact a Service Centre, a qualied installer or the gas supply company.
Never use a ame to locate a gas leak.
The boiler is designed for installation in the countries indicated on the technical data plate: installation in any other country may
be a source of danger for people, animals and/or property.
The manufacturer will bear no contractual and tortious liability for failure to comply with all the instructions above.
5
1. Instructions for the user .......................................................... 8
1.1 Control panel....................................................................................................................................................................................... 8
1.2 Interpreting boiler status from display indications.................................................................................................................... 10
1.3 Boiler operation .................................................................................................................................................................................. 11
1.4 Boiler shut-down ................................................................................................................................................................................ 14
1.5 Maintenance ....................................................................................................................................................................................... 16
1.6 Notes for the user................................................................................................................................................................................ 16
2. Technical features and dimensions................................................. 17
2.1 Technical features .............................................................................................................................................................................. 17
2.2 Dimensions .......................................................................................................................................................................................... 19
2.3 Boiler layouts....................................................................................................................................................................................... 20
2.4 Operating data ................................................................................................................................................................................... 21
2.5 General characteristics...................................................................................................................................................................... 21
2.6 ERP and Labelling data..................................................................................................................................................................... 22
3. Instructions for the installer ....................................................... 23
3.1 Installation standards....................................................................................................................................................................... 23
3.2 Choosing where to install the boiler.............................................................................................................................................. 23
3.3 Positioning the boiler ........................................................................................................................................................................ 24
3.4 Installing the boiler ............................................................................................................................................................................ 25
3.5 Air intake and ue gas venting system ......................................................................................................................................... 25
3.6 Checking combustion eciency..................................................................................................................................................... 28
3.7 Connection to gas mains.................................................................................................................................................................. 28
3.8 Hydraulic connections ...................................................................................................................................................................... 29
3.9 Connection to electrical mains ....................................................................................................................................................... 29
3.10 Connection to ambient thermostat (optional) ........................................................................................................................... 30
3.11 Installation and operation with Open Therm Remote Control (optional) ........................................................................... 30
3.12 TSP parameters................................................................................................................................................................................... 31
3.13 Filling the system................................................................................................................................................................................ 35
3.14 Starting up the boiler......................................................................................................................................................................... 36
3.15 Available head .................................................................................................................................................................................... 36
3.16 Wiring diagram................................................................................................................................................................................... 37
3.17 Adaptation to other gas types and burner adjustment............................................................................................................ 39
4. Testing the boiler................................................................ 41
4.1 Preliminary checks ............................................................................................................................................................................. 41
4.2 Switching on and switching o ...................................................................................................................................................... 41
5. Maintenance ................................................................... 42
5.1 Maintenance schedule...................................................................................................................................................................... 42
5.2 Combustion analysis......................................................................................................................................................................... 43
6. Decommissioning, disassembly and disposal ........................................ 43
7. Malfunctions, possible causes and solutions ......................................... 44
7.1 Troubleshooting ................................................................................................................................................................................. 44
6
Fig. 1 Control panel..............................................................................................................8
Fig. 2 Filler cock.................................................................................................................15
Fig. 3 Model CTN dimensions ...................................................................................................19
Fig. 4 Boiler layout CTN .........................................................................................................20
Fig. 5 Paper template ...........................................................................................................24
Fig. 6 Connections to the chimney of open chamber models .....................................................................27
Fig. 7 Dimensions for connection to the ue gas system of the open chamber models ............................................27
Fig. 8 Connection to gas mains..................................................................................................28
Fig. 9 Thermoregulation curves .................................................................................................34
Fig. 10 Available head...........................................................................................................36
Fig. 11 Wiring diagram CTN .....................................................................................................37
Fig. 12 SIT 845 ..................................................................................................................40
7
Tab. 1 Adjustment specications ................................................................................................21
Tab. 2 General specications ....................................................................................................21
Tab. 3 CTN 24 combustion specications ........................................................................................22
Tab. 4 ERP and Labelling data ...................................................................................................22
Tab. 5 Limits to be set for TSP parameters and default values in relation to boiler type (TSP0) - I ...................................31
Tab. 6 Limits to be set for TSP parameters and default values in relation to boiler type (TSP0) - II ...................................32
Tab. 7 Relationship between "Temperature and Nominal resistance" for temperature probes......................................38
8Instructions for the user
1. Instructions for the user
1.1 Control panel
2
1
10
5
6
8 7
C DB
A F G
9
3 4
E
Fig. 1 Control panel
A. DHW setting (+/- DHW).
B. Parameter conrmation and information request.
C. Operating status selection.
D. Alarm reset and back to the starting page during parameter selection.
E. LCD display.
F. CH water temperature (+/- CH) and parameter settings.
G. Heating system water pressure gauge.
9
Instructions for the user
Ref. Description Steady on Flashing
1
Flue cleaning function
indicator
(for the installer)
Flue cleaning function active. Indicates that you are accessing the ue
cleaning function.
2 DHW indicator Boiler is in DHW mode. Displaying of the DHW temperature set-
point.
3 Parameter editing indicator
During parameter editing, the wrench
symbol stays on until the set datum is
conrmed.
When edited parameter value is conrmed.
4 Alphanumeric indicator Temperature, parameter values and fault
indication. Not used.
5 Central heating indicator Boiler is in heating mode. Displaying of the heating temperature set-
point.
6Fictitious ambient
temperature indicator Not used. Displaying of the ctitious ambient
temperature set-point.
7 Boiler status indicator DHW and/or heating function active. Not used.
8 Flame lighting indicator Lit ame indication. Not used.
9 Parameter code indicator Displaying of the number of parameters or
of the burner power percentage. Not used.
10 Parameter indicator Indication of "parameter" inside the
parameter menu. Not used.
10 Instructions for the user
1.2 Interpreting boiler status from display indications
1.2.1 Normal operation
Boiler in STANDBY mode
Boiler in SUMMER mode
No active function
Flow temperature displayed
Boiler in WINTER mode
No active function
Flow temperature displayed
Boiler in CENTRAL HEATING ONLY mode
No active function
Flow temperature displayed
Boiler in SUMMER mode
Domestic hot water withdrawal
DHW temperature displayed
Boiler in WINTER mode
Domestic hot water withdrawal
DHW temperature displayed
Boiler in WINTER mode
CH function active
Flow temperature displayed
Boiler in CENTRAL HEATING ONLY mode
CH function active
Flow temperature displayed
1.2.2 Malfunction
To identify any malfunctions, refer to paragraph Troubleshooting on page 44.
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