Ferroli FORCE W Troubleshooting guide
cod. 3541Q760 — Rev. 00 - 01/2019
cod. 3541Q760 — Rev. 00 - 01/2019
FORCE W
4
(1
INSTRUCTIONS FOR USE, INSTALLATION AND MAINTENANCE
FORCE W
FORCE W
126 EN
B
The CE marking certifies that the products meet the essential requirements of the rele-
vant directives in force.
The declaration of conformity may be requested from the manufacturer.
COUNTRIES OF DESTINATION: IT - ES - RO
This symbol indicates “CAUTION” and is placed next to all safety warnings. Strictly follow these instructions in order to avoid
danger and damage to persons, animals and things
This symbols calls attention to a note or important notice.
This symbol, which is used on the product, packaging or documents, means that at the end of its useful life, this product must
not be collected, recycled or disposed of together with domestic waste.
Improper management of electric or electronic waste can lead to the leakage of hazardous substances contained in the pro-
duct. For the purpose of preventing damage to health or the environment, users are kindly asked to separate this equipment
from other types of waste and to ask for it to be dealt with by the municipal waste service or dealer under the conditions and
according to the methods set down in national and international laws transposing the Directive 2012/19/EU.
Separate waste collection and recycling of unused equipment helps to save natural resources and to guarantee that this waste
is processed in a manner that is safe for health and the environment.
For more information about how to collect electric and electronic equipment and appliances, please contact your local Council
or Public Authority competent to issue the relevant permits.
cod. 3541Q760 - Rev. 00 - 01/2019
• Read the warnings in this instruction booklet ca-
refully since they provide important information
on safe installation, use and maintenance.
• This instruction booklet is an integral and essen-
tial part of the product and must be kept with
care by the user for future reference.
• If the unit is sold or transferred to another owner
or if it is to be moved, always make sure the bo-
oklet stays with the boiler so that it can be con-
sulted by the new owner and/or installer.
• Installation and maintenance must be carried
out by professionally qualified personnel, accor-
ding to current regulations and the manufactu-
rer's instructions.
• Incorrect installation or inadequate maintenance
can result in damage or injury. The manufactu-
rer declines any liability for damage caused by
errors in installation and use or by failure to fo-
llow the instructions provided.
• Before carrying out any cleaning or maintenan-
ce operation, disconnect the unit from the power
supply using the system switch and/or the spe-
cial cut-off devices.
• In case of a fault and/or poor operation, deacti-
vate the unit and do not try to repair it or directly
intervene. Contact professionally qualified per-
sonnel. Any repair/replacement of the products
must only be carried out by qualified personnel
using genuine parts. Failure to comply with the
above can compromise the safety of the unit.
• Periodic maintenance performed by qualified
personnel is essential in order to ensure proper
operation of the unit.
• This unit must only be used for its intended pur-
pose. Any other use is deemed improper and
therefore hazardous.
• After unpacking, check the good condition of the
contents. The packing materials are potentially
hazardous and must not be left within the reach
of children.
• The unit can be used by children aged at least 8
years and by persons with reduced physical,
sensory or mental capabilities, or lacking expe-
rience or the necessary knowledge, only if under
supervision or they have received instructions
on its safe use and the related risks. Children
must not play with the unit. Cleaning and main-
tenance intended to be done by the user can be
carried out by children aged at least 8 years only
if under supervision.
• In case of doubt, do not use the unit. Contact the
supplier.
• The unit and its accessories must be appropria-
tely disposed of in compliance with current regu-
lations.
• The images given in this manual are a simplified
representation of the product. In this representa-
tion there may be slight and insignificant diffe-
rences with respect to the product supplied.
FORCE W
127
cod. 3541Q760 - Rev. 00 - 01/2019
1 Operating instructions ........................................................................................................128
1.1 Introduction.........................................................................................................................................128
1.2 Control panel ......................................................................................................................................128
1.3 Lighting and shutdown .......................................................................................................................133
1.4 Adjustments........................................................................................................................................135
2 Installation............................................................................................................................ 144
2.1 General Instructions ...........................................................................................................................144
2.2 Place of installation ............................................................................................................................144
2.3 Plumbing connections ........................................................................................................................144
2.4 Gas connection ..................................................................................................................................159
2.5 Electrical connections.........................................................................................................................159
2.6 Fume ducts.........................................................................................................................................161
2.7 Condensate drain connection.............................................................................................................162
3 Service and maintenance.................................................................................................... 163
3.1 Adjustments........................................................................................................................................163
3.2 Commissioning...................................................................................................................................169
3.3 Maintenance.......................................................................................................................................170
3.4 Troubleshooting..................................................................................................................................172
4 Technical data and characteristics .................................................................................... 174
4.1 Dimensions and connections .............................................................................................................175
4.2 General view ......................................................................................................................................176
4.3 Hydraulic circuit .................................................................................................................................. 177
4.4 Technical data table ...........................................................................................................................178
4.5 ErP tables...........................................................................................................................................179
4.6 Diagrams ............................................................................................................................................184
4.7 Wiring diagrams .................................................................................................................................185
FORCE W
128 EN
cod. 3541Q760 - Rev. 00 - 01/2019
1. Operating instructions
1.1 Introduction
Dear Customer,
Thank you for choosing FORCE W, a FERROLI wall-mounted boiler featuring advanced design, cutting-edge techno-
logy, high reliability and quality construction. Please read this manual carefully, as it provides important information on
safe installation, use and maintenance.
FORCE W is a high efficiency, low emissions premix condensing heat generator for heating, running on natural gas
or LPG and equipped with a microprocessor control system.
The boiler body consists of an aluminum tube exchanger and a premix burner in steel, equipped with electronic igni-
tion and ionization flame control, a modulating speed fan and a modulating gas valve.
1.2 Control panel
fig. 1 - Control panel
Legend
1 = Contextual button 1
2 = Contextual button 2
3 = Contextual button 3
4 = Dot matrix display (example - main screen)
5 = Menu navigation button
6 = Confirm/menu access button
7 = Menu navigation button
8 = Automatic/Manual Heating/DHW button
9 = Summer/Winter mode selection button
10 = Economy/Comfort mode selection button
11 = Menu exit button
12 = Main menu button
13 = Home button (back to main screen)
14 = Main switch
M
88°C
23°C
60°C 40°C
Thursday 9 Jan. 2014 00:15:60
14
41 2 65 8 119 12
371013
S
FORCE W
129EN cod. 3541Q760 - Rev. 00 - 01/2019
Contextual button
The contextual buttons (details 1, 2, 3 - fig. 1) are grey, with no screen print, and take on a different meaning depending
on the menu selected. It is essential to observe the indication provided by the display (icons and text). In fig. 1 for exam-
ple, using the contextual button 2 (detail 2 - fig. 1) it is possible access unit information such as: temperature of sensors,
work power, etc.
Direct buttons
The direct buttons (details 8, 9, 10 - fig. 1) always have the same function.
Menu/navigation buttons
The menu/navigation buttons (details 5, 6, 7, 11, 12, 13 - fig. 1) are used to navigate among the various menus imple-
mented in the control panel.
Menu structure
From the main screen (Home), press the Main menu button (detail 12 - fig. 1).
Access the "User" menu by pressing the contextual button 1 (detail 1 - fig. 1). Then use the "menu/navigation" buttons
to access the various levels described in the following table.
USER MENU
HEATING
Adjustment Temp See fig. 12
Reduction Adjustment Temp See fig. 13
Sliding Temperature
Curve1 See fig. 26
Offset1 See fig. 27
Outside Temp Heat Off See page 142
Curve2 /
Offset2 /
Time Program See “Time programming” on page 137
DOMESTIC HOT WATER
Adjustment Temp See fig. 14
Reduction Adjustment Temp See fig. 15
Legionella See “Legionella programming (with optional hot water tank insta-
lled)” on page 140
Time Program See “Time programming” on page 137
USER
TECHNICIAN
MENU
1
12
FORCE W
130 EN
cod. 3541Q760 - Rev. 00 - 01/2019
Indication during operation
Heating
A heating demand (generated by the Room Thermostat, Remote Timer Control or 0-10 Vdc signal) is indicated by ac-
tivation of the circulating pump and by the hot air above the radiator (fig. 2).
HOLIDAY FUNCTION
See “Holiday Function” on page 140
MAINTENANCE
Test mode
Test mode See fig. 58
Gas Type Selection See fig. 55
Cascade Test Mode
Service Information See “Service Information” on page 140
Service Intervention Date See “Service Intervention Date” on page 140
SETTINGS
Language See fig. 7
Unit of Measure /
Set Date See fig. 8
Set Time See fig. 9
Configuration “Heating only/Double circulating pump”
fig. 2
Configuration “Circulating pump and 3-way valve”
fig. 3
Thursday 9 Jan. 2014 11:25:40
23°C --
Thursday 9 Jan. 2014 11:25:40
23°C
32°C
FORCE W
131EN cod. 3541Q760 - Rev. 00 - 01/2019
DHW (with optional hot water tank installed)
A hot water tank heating demand is indicated by activation of the drop under the tap (fig. 4 and fig. 5).
Exclude hot water tank (economy)
Hot water tank temperature maintaining/heating can be excluded by the user. In case of exclusion, there will be no de-
livery of domestic hot water. The hot water tank can be deactivated by the user (ECO mode) by pressing the eco/
comfort button (detail 10 - fig. 1). In ECO mode, the display activates the symbol . To activate the COMFORT mode,
press the eco/comfort button (detail 10 - fig. 1) again.
fig. 6 - Economy
Configuration “Double circulating pump”
fig. 4
Configuration “Circulating pump and 3-way valve”
fig. 5
Thursday 9 Jan. 2014 11:28:22
23°C 32°C
Thursday 9 Jan. 2014 11:29:27
23°C 32°C
Thursday 9 Jan. 2014 11:30:43
23°C 32°C
FORCE W
132 EN
cod. 3541Q760 - Rev. 00 - 01/2019
Information
From the main screen (Home), press the contextual button 2 (detail 2 - fig. 1). Then use the "Menu Navigation" buttons
to display the following values:
Heating demand
OT - OpenTherm control request
TA - Room thermostat request
0-10Vdc - 0-10Vdc signal request
TA2 - Second room thermostat request
Heating circulating pump ON/OFF
Heating 3-way valve ON/OFF
DHW 3-way valve ON/OFF
Standby time ON/OFF
T Delta protection ON/OFF
Flame Supervisor ON/OFF
Heating sensor1 °C
Safety sensor °C
Return sensor °C
DHW sensor °C
External probe °C
Fume sensor °C
Cascade heating sensor °C
Fan frequency Hz
Burner load %
System water pressure 1.4bar = ON, 0.0 bar = OFF
Modulating circulating pump %
Cascade modulating circulating pump %
Ionization current uA
Input 0-10Vdc Vdc
Heating adjustment temperature Setpoint (°C)
Power level adjustment 0-10Vdc Setpoint (%)
FORCE W
133EN cod. 3541Q760 - Rev. 00 - 01/2019
1.3 Lighting and shutdown
Boiler lighting
Press the On/Off button (detail 14 - fig. 1).
fig. 7 - Boiler lighting
Press the contextual button 1 to select the language, confirming it by pressing "OK".
Press the contextual button 3 to stop FH mode.
If none of the two selections described above is made, proceed as follows.
• For the following 300 seconds the display will show FH which identifies the heating system air venting cycle.
• The display also shows the firmware version of the cards.
• Open the gas cock ahead of the boiler.
• When the message FH disappears, the boiler is ready to operate automatically in case of a room thermostat demand.
Settings
Contrast adjustment
To adjust the display contrast, press the contextual button 2 and the OK button together. Then press the button ref.
5 of fig. 1 to increase the contrast or the button ref. 7 of fig. 1 to decrease it.
Setting the Date and Time
Reach the screen shown in fig. 8, navigating in the menu and following the path "USER MENU “Settings” "Date
Setting”. Press the navigation buttons 5 and 7 to select the value and modify it with the contextual buttons 1 and 2. Con-
firm with the OK button.
fig. 8 - Setting the Date
isplay v.01
Burner Controller 1 v.01
to confirm
Set date
24 / 09
2013
to select
5
7
1
2
FORCE W
134 EN
cod. 3541Q760 - Rev. 00 - 01/2019
Reach the screen shown in fig. 9, navigating in the menu and following the path "USER MENU “Settings” “Time
Setting”. Press the navigation buttons 5 and 7 to select the value and modify it with the contextual buttons 1 and 2. Con-
firm with the OK button.
fig. 9 - Setting the Time
Boiler shutdown
From the main screen/Home, press the contextual button and confirm with the button .
fig. 10 - Boiler shutdown
When the boiler is shut down, the PCB is still powered.
DHW mode (with optional hot water tank installed) and heating mode are disabled. The frost protection system remains
activated.
To relight the boiler, press the contextual button again .
The boiler will be immediately ready to operate whenever domestic hot water is drawn (with optional hot water tank ins-
talled) or when there is a room thermostat demand.
To completely disconnect the power supply to the unit, press the button detail 14 fig. 1.
BThe frost protection system does not work when the power and/or gas to the unit
are turned off. To avoid damage caused by freezing during long shutdowns in win-
ter, it is advisable to drain all water from the boiler, the DHW circuit and the heating
system water; or drain just the DHW circuit and add a suitable antifreeze to the
heating system, as prescribed in sec. 2.3.
to confirm
Set time
15 : 59
to select
5
7
1
2
Thursday 9 Jan. 2014 00:15:60
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