Hermann Habitat 2 23E User manual

Habitat 2
23 E
24 SE
Quick guide
Technical Data
Installation, adjusting
and maintenance instructions
User instructions
GAS BOILERS

2
User instructions
for the user
QUICK GUIDE
Dear Customer,
we have intentionally inserted the Quick Guide at the beginning of the booklet in order to let you
use your boiler immediately.
This Quick Guide: 1) implicates that the boiler has already been subdued to the First Ignition and it has been prepared
to the functioning and all the conditions for the correct functioning have been satisfied, the correct system pressure and
the hydric, gas and electrical supply included; 2) could be partially not valid in case of optional kits.
1) As first move the left knob on 0 - . Switch on (position “I”) the switch which gives voltage to
the boiler and which is usually installed on the wall near the boiler. The green led is intermit-
tent.
4
876_R00
2
3
1
2) It is SUMMER and/or you don’t want to switch the heating on: turn the left knob on the sym-
bol (“SUMMER” position). The green led is constantly on.
3) It’s WINTER and/or you want to switch the heating on:
•turn the left knob beyond the symbol (“WINTER” sector ). The scale from I to III
determines the temperature of the heating system. Regulate it on III: in the chapter “User
instructions” you will find suggestions to regulate the heating temperature on the base of
the climate and other factors, improving the comfort. The green led is constantly on.
•regulate the room temperature that you wish on the room thermostat according to the
Instructions of your manufacturer: the system will start heating the rooms and the room
thermostat will regulate the temperature as set up by you.
4) Regulate the Domestic Hot Water temperature, turning the right knob along the scale from
I to III. Bring it as first to III; in the chapter “User instructions” you will find suggestions to
regulate the domestic hot water and to improve the comfort.
5) Now your boiler is already functioning and it will turn on automatically for any heat request.
6) Do not forget to read the chapters “Warn-
ings” and “User instructions” where you will
find , in addition to other important infor-
mation for your Safety, the details con-
nected to the controls and the leds, and
the useful instructions to solve rapidly (and
if possible without expenses) the simplest
problems.
We thank you for the choice of
GAS BOILERS

3
sections for the usersections for the technician
Index
Quick guide ................................... 2
Warnings .......................................4
Technical data ..............................6
Installation ..................................10
Safety laws and rules referred to technicians
assigned to boilers installation ............ 10
Laws and rules referred
to boilers installation ............................ 10
Boiler location ............................................ 11
Boiler hanging ........................................... 12
with standard connection kit ................................................ 12
without standard connection kit ........................................... 14
Hydraulic connections ............................... 15
System filling ............................................. 16
Gas connection ......................................... 16
Electrical connections ............................... 17
Chimney connections
HABITAT 2 E (natural draught) ........... 18
Chimney connections
HABITAT 2 SE (forced draught) ......... 19
Flue systems
HABITAT 2 SE .................................... 21
Regulation and servicing...........23
Access to the regulation devices .............. 23
Preliminary GAS checkings ....................... 24
Gas valve pressure regulation (MAX-MIN) 24
Gaining access
to the main PCB .................................. 25
ELECTRONIC settings .............................. 26
Changing Gas type ................................... 27
Combustion check ..................................... 28
Hydraulic section ....................................... 28
Warnings for servicing ............................... 29
Components of the gas boiler
HABITAT 2 23 E ................................. 30
Components of the gas boiler
HABITAT 2 24 SE ............................... 31
Electric diagram for
HABITAT 2 23 E ................................. 32
Electric diagram for
HABITAT 2 24 SE ............................... 33
User instructions ........................34
Warnings for first starting up ..................... 34
Useful advices ........................................... 34
Warnings ................................................... 35
Controls and indicators ............................. 36
System pressure ....................................... 38
Alarms ....................................................... 38
Boiler inactivity .......................................... 41
Incidental not functioning .......................... 42
User warnings ........................................... 43
INDEX

4
Warnings
for the technician and for the user
ATTENTION
(for forced draught models)
FOR DIAPHRAGM POSITIONING, CAREFULLY READ THE FLUE SYSTEMS
INSTRUCTIONS IN THE “INSTALLATION” CHAPTER.
IMPORTANT
THE FIRST IGNITION OF THE BOILER MUST BE EXECUTED BY AN
AUTHORIZED TECHNICIAN ACCORDING TO THE LAW 46/90.
Assigning all the operations for the first ignition to a Hermann Authorized Service
Center the particular and exclusive Hermann Conventional Warranty is activated.
For further information consult the coupon which you can find in the boiler’s
documents envelope.
Assigning all the operations for the first ignition to a Hermann Authorized Service Center the particular and exclusive Hermann Conven-
tional Warranty is activated. For further information consult the coupon which you can find in the boiler’s documents envelope.
MANUFACTURER DECLARATION
Hermann boilers have obtained the CE certification (DM dtd. April 2nd 1998, Law 10/91, art. 32) and
meet minimum efficiency requirements, both at normal and 30% load, provided by DPR 412/93
(according to Law 10/91, art. 4, sub-section 4). They are in conformity with following Directives: Directive
on appliances burning gaseous fuels (90/396), Directive on electro-magnetic compatibility (CE 89/
336), Efficiency Directive (CE 92/42), Low Voltage Directive (CE 73/23), and relevant modifications.
SYMBOLS USED IN THIS HANDBOOK:
DANGER: All warnings preceded by this symbol MUST be carefully respected so as
to avoid any accident of mechanical (e.g. wounds or contusions) or general origin.
DANGER: All warnings preceded by this symbol MUST be carefully respected so as
to avoid any accident of ELECTRICAL origin (fulguration).
DANGER: All warnings preceded by this symbol MUST be carefully respected so as
to avoid any accident of THERMIC origin (scalds).
Attention: All warnings preceded by this symbol MUST be carefully respected so as to avoid
any disfunctioning and/or damage to the appliance or other objects.
WARNINGS

5
Warnings
for the technician and for the user
The instructions manual is an essential and complementary part of the product and it is
supplied together with the boiler.
Carefully read the manual, achieving all important information for a safe installation,
use and servicing.
— Carefully keep the manual for any further consultation you may need.
— The installation must be carried out by a qualified technician, in accordance with
manufacturer instructions and with the relevant requirements of the current issue.
— A qualified technician is a person with a specific technical competence in the field of
the heating appliances for domestic use and domestic hot water production, as indicated
by the Law [ID of Your National rule, if any, regarding Technicians competence].
— User can ONLY make those operations that are specifically described in the “Quick gui-
de” or “User instructions” sections.
— The manufacturer has no contractual and extra-contractual responsibility for any damage
arising from wrong installation, wrong use and non-observance of current laws and
instructions given by the manufacturer himself.
— Important: this gas boiler is used to heat the water at a temperature lower than the boiling
one, at atmospheric pressure; it must be connected to an heating system and/or to a domestic
hot water system, in accordance with its features and power.
— Packing items (cartons, nails, plastic bags and so on) must not be left within children
easy reach, as they are potentially dangerous.
— Before any cleaning or servicing operation, switch off the main electrical switch of the
heating system and/or any other suitable switch providing electrical disconnection of
the gas boiler.
— In case of fault and/or bad operation of the appliance, disconnect it immediately and do
not try to repair it by yourselves.
Boiler servicing and repair must be carried out exclusively by [HERMANN Authorized Servicing
Centres] [qualified technicians], which will use original spare parts. Strictly observe the above
requirement, avoiding any risk of compromising the appliance safety.
— If the appliance should be definitively disconnected, remove or cut off any potential dangerous
item.
— When selling the appliance or leaving it installed after a removal, make always sure that the
instructions manual is close to the boiler for the future use of new owners and/or installers.
— This appliance must be used for its clearly recommended utilization only. Any other utilization
must be considered dangerous and incorrect.
— It is strictly forbidden to use the appliance for different purposes than the specified ones.
— This appliance must be installed exclusively to wall.

6
Technical data
for the technician
TECHNICAL DATA
ATADLACINHCET.M.U 2TATIBAH
E32
2TATIBAH
ES42
noitacifitrecEC°n0630PB49600630PB4960
ssalC II +3H2 II +3H2
epyT SB/11B 24C-23C-21C-22B
28C-26C-25C
epytsaG02G13G/03G02G13G/03G
)iH(tupnitaehxaMWk6.526.526.526.52
)iH(tupnitaehniMWk0.010.010.010.01
)iH(tuptuotaehxaMWk2.322.327.327.32
)iH(tuptuotaehniMWk6.86.86.86.8
ON
x
ssalC 2121
ONdethgieW
x
hWk/gm851633761102
tupnilanimontaOCmpp0.02840467
OC
2
tupnilanimonta %03.404.504.708.8
YCNEICIFFE
ycneiciffelanimoN%4.094.39
daol%03taycneiciffE%7.881.09
GNITAEH
)xam÷nim(egnarnoitceleserutarepmeTC°87÷5387÷53
lessevnoisnapxEl88
erusserplessevnoisnapxErab1 1
erusserpgnikrowxaMrab3 3
erutarepmetmetsysxaMC°3838
RETAWTOH
esirerutarepmetC°52taetarwolFnim/l3.316.31
esirerutarepmetC°03taetarwolFnim/l1.113.11
wolfretawniMnim/l2 2
erusserpylppusxaMrab6 6
erusserpylppusniM
)noitavitcahctiwswolfytiroirprof( rab5.05.0
)xam÷nim(egnarnoitceleserutarepmeTC°55÷0355÷03
ATADLACIRTCELE
ycneuqerf/egatloVzH/V05/03205/032
noitpmusnocrewoPW011241
noitcetorpfoleveL D4XPID4XPI
SNOISNEMID
htpeD-thgieH-htdiWmmmargaid"SNOISNEMID"otrefeR
thgieWgk925.43
)teltuO=S(SNOITCENNOC
nruter/wolfgnitaeHcnI"¾"¾
teltuo/telniretaWcitsemoDcnI"½"½
reliobehtotnoitcennocsaGcnI"¾"¾
kcocsagehtotnoitcennocsaG
tiknoitcennocdradnatsfo cnI"½"½
ØteltuostcudorpeulFmm031
Øtelniria/teltuostcudorpeulflaixaoCmm 06/001
xam/nim)latnoziroh(htgneleulflaixaoCm 4÷5.0
xam/nim)lacitrev(htgneleulflaixaoCm 5÷1
Øtelniria/teltuostcudorpeulfetarapeSmm08
xam/nimhtgneleulfetarapeSm )02=Sxam(03÷2
ERUSSERPYLPPUSSAG
epytsaG02G13G/03G02G13G/03G
erusserplanimoNrabm0273/920273/92
rebmunsrotcejnI 2121
retemaidsrotcejnImm001/1Ø52177/7752177/77
NOITPMUSNOCSAG
xamQ h/cm17.2 17.2
h/gk 89.1/10.2 89.1/20.2
nimQ h/cm60.1 60.1
h/gk 87.0/97.0 87.0/97.0

7
Technical data
for the technician
DIMENSIONS
1Flue products outlet
2Air inlet for coaxial system
3Air inlet for separate system
400 300
700
936D_R00
200 200
180
1
937A_R00
Habitat 2
E - SE
Habitat 2
E
207 193
233
147
75
1
2
3
938_R00
Habitat 2
SE

8
Technical data
for the technician
AVAILABLE PUMP CAPACITY
HABITAT 2
with selector in speed position I, II, III (automatic by-pass, not disconnectable)
Water flow l/h
Pressure m. H2O
0
0,5
1
1,5
2
2,5
3
3,5
4
4,5
5
5,5
6
0 200 400 1000 1200600 800 1400
897
R00
772R01

9
Technical data
for the technician
BOILER SCHEMATIC
WARNING: This scheme is made for in-
formation only. To make boiler hydrau-
lic connection either use fixing jig or the
drawing inserted in the section “Instal-
lation” or the “Dimensions” drawing.
HABITAT 2 “E”
HABITAT 2 “SE”
DOMESTIC
WATER
GAS
INLET
HEATING
FLOW
OUTLET
RETURN
DOMESTIC
WATER
GAS
INLET
HEATING
FLOW
OUTLET
RETURN
1 By-pass
2 Heating system safety valve 3 bar
3 Pump
4 Temperature sensor (heating)
5 Expansion vessel
6 Safety thermostat
7 Automatic venting device
8 Bithermic exchanger (heating)
9 Flue thermostat (“E” models)
Flue pressure switch (“SE” models)
10 Fan (“SE” models)
11 Flue hood
12 Bithermic exchanger (DHW)
13 Temperature sensor (DHW)
14 Burner
15 Loss of water pressure switch
16 Filling valve
17 Priority flowstat (with filter)
18 Gas valve
19 DHW flow regulator

10
Installation
for the technician
INSTALLATION
Safety laws and rules referred to technicians
assigned to boilers installation
Place here all necessary
advices according to national rules
about WORK SAFETY
Law number XXXX
“Actuation of 89/391/CEE; 89/655/CEE, 90/296/CEE, 90/934/CEE, 90/679/CEE, (work safety)”
Law number XXXX
“Actuation of 89/686/CEE (21 Dec 1989)”
Other Law number XXXX (if any)
“Other Law title and/or brief description”
Directives
“Directive title and/or brief description”
Always proceed with caution when handling the boiler and carrying out instal-
lation/maintenance work as metal parts may cause injuries such as cuts and
abrasions. Wear gloves while doing the above mentioned operations.
Laws and rules referred
to boilers installation
Place here all necessary
advices according to national rules
about BOILER INSTALLATION
Law number XXXX
“Law title and/or brief description”

11
Installation
for the technician
Boiler location
INSTALLATION ROOM
When having an heat ouput lower than 35 kw (about 30000 Kcal/h), particular features for the
installation room are not required. Shortly, all installation rules assuring a safe and regular gas
boiler operation, must be strictly respected.
Place here all necessary
advices according to national rules about:
- Installation room requirements
- Limitations in power and/or number of boilers and other appli-
ances in the same room
Law number XXXX
“Law title and/or brief description”
ROOM VENTILATION (mod. HABITAT 2 23 E – natural draught)
When a natural draught boiler is installed, permanent ventilation of the installation
room is mandatory and extremely important. Ventilation must be made and sized in
accordance with Laws and Rules in force.
INSTALLATION IN ROOMS WHERE TEMPERATURE CAN DROP DOWN TO 0°C:
When the installation place does not guarantee an adequate repair against atmospheric agents,
the gas boiler must be completely protected through an adequate coverage as a safety measure
against the above agents.
Thanks to its antifreeze system, inner components could never reach a temperature lower than
5°C. This system is activated when the boiler is supplied by the electrical and gas lines, provided
that the pressure in the heating system is correct.
In case of boiler installation in rooms where temperature can drop down to 0°, it is advisable to
protect the heating circuit with an antifreeze liquid. See also “System filling” and “Boiler inactivity”.
This appliance is not suitable for outdoor installation.

12
Installation
for the technician
Boiler hanging
with standard connection kit
REMARK: A re-utilizable metal jig can be ordered separately, so as to facilitate connections and
fixing points positioning (when the standard connection kit is used). If the standard connection
kit is not used, refer to the following “without standard connection kit” paragraph for the position
of the connections directly on the boiler.
Remark: Habitat 2 can be installed directly to replace a MICRA 23 or a HABITAT, without any
modification to the position of hydraulic connections and fixing points.
— Consider gas boiler size and sufficient clearances [C] for servicing/repair. It is recommended:
50mm on both lateral sides and 300 mm on lower side;
— To fix the boiler with wallplugs (“stud” type with nut), center the relevant wall holes as regards to
[A] points. To hang it with open hooks, place hooks in correspondence with [B] points.
— Using the jig or respecting the measures indicated in the figure, fix up electrical connections
and all ducts for heating flow and return, cold water, hot water and gas.
— Hang the boiler to the wallplugs or hooks, using the holes ([A] for the wallplugs and [B] for the
open hooks).
—Remove the plastic caps from the boiler connections prior to connecting boiler to the pipework.
REMARK: To facilitate boiler connection, it is possible to remove temporarily the lower grid, un-
screwing its fixing screws.
— As far as air inlet and flue outlet ducts are concerned (forced draught models), please refer to
“Flue systems” paragraph, where measures are referred to the upper edge of boiler’s body [D].
Gas (1/2")
Hot water OUTLET (1/2") (A)
Cold water INLET (1/2") (A)
Heating FLOW (3/4")
Heating RETURN (3/4")
Electrical power supply
Room thermostat
(A) Cold Water Inlet and Hot Wa-
ter Outlet connections are NOT
SUITABLE for hemp, teflon strip or
similar. it is MANDATORY to use
connection pipes provided with re-
volving flange and plain gasket of
suitable material, tightening them
properly and not excessively.

13
Installation
for the technician
785
700
881_R00
32.5
35
14
330
52 52 88
22
39 40 30 46.5 52.5
14
35
335
400
32.5
36 11 14
39 665
AA
B B
C
D
A
B

14
Installation
for the technician
without standard connection kit
680
10
23÷43
68
23÷43
68
3
136
106
R M
C F G
52 52 88 39 116.5
G
TA / L FCMR
400 300
700
936B_R00
RHeating return (3/4”)
MHeating flow (3/4”)
CHot water outlet (1/2”) (A)
FCold water inlet (1/2”) (A)
TA / L Zone for electrical power
supply and room thermostat
connections
GGas (3/4”)
(A) Cold Water Inlet and Hot Wa-
ter Outlet connections are NOT
SUITABLE for hemp, teflon strip or
similar. it is MANDATORY to use
connection pipes provided with re-
volving flange and plain gasket of
suitable material, tightening them
properly and not excessively.

15
Installation
for the technician
CONNECTION EXEMPLE
Hydraulic connections
ADVICES AND SUGGESTIONS TO AVOID
VIBRATIONS AND NOISES IN THE SYSTEM
— Do not use pipes with reduced diameters;
— Do not use bends with small radius and reduc-
tions of important sections;
—It is recommended an hot washing of the
system in order to purge the pipes and the
radiators from impurities (in particular oils and
fats) that could damage the pump.
PUMP’S SPEED
The pump has a selector which allows
to reduce the speed, so as to reduce
the noise produced by the too rapid cir-
culation of the liquids in too small heat-
ing systems.
DOMESTIC WATER SUPPLY
The pressure of entrance cold water inlet pressure must be lower than 6 bar. Furthermore, for an
optimal boiler functioning, water pressure should be more than 1 bar. A lower pressure could make
difficult to restore correctly the pressure of 1 bar in the heating system, and reduce the flow od hot
water available from the boiler.
In case of stronger pressure it is necessary to install a PRESSURE REDUCER upstream
the boiler.
The cleaning frequency of the heat exchanger depends on the water supply hardness. Be-
sides, the presence of solid residuals or impurities in the water (for example in case of new sys-
tems) could compromise the correct functioning of the boiler.
However, it is possible to install suitable water treatment device, depending on the water features.
HEATING SYSTEM
— Considering that during boiler operation, the water inside the heating system increases its
pressure, make sure that its maximum value does not exceed the maximum hydraulic pressure
indicated on the technical data.
— Connect the safety evacuation ducts of the boiler to an evacuation funnel. If safety valves are
not connected to an evacuation device, their intervention could flood the room. Hermann can-
not be held responsible for any damage arising from that situation.
Make sure that the hydraulic and heating systems ducts are not used as earth con-
nections of the electrical system. They are absolutely NOT SUITABLE for such a use.
772R01

16
Installation
for the technician
System filling
Once all system connections have been carried out,
proceed with system filling. This operation should be
made with caution, respecting the following steps:
— Open the radiators venting devices;
— Gradually open the water supply valve (see figure
“Boiler bottom view”), checking the correct func-
tioning of automatic venting devices, eventually
installed;
— Close the radiators venting devices as soon as
water flows;
— Make sure that pressure gauge reaches the opti-
mal value of 1÷1.5 bar (minimum: 0.5 bar);
— Close the water supply valve and bleed each ra-
diator;
In case the boiler is installed in rooms where temperature can drop down to 0°C, it is advis-
able to fill up the system with an anti-frost liquid.
Gas connection
Boiler installation must be carried out from a qualified technician, [as indicated by the Law XXXXX]
because an incorrect installation can cause damages to people, animals or things, for which the
manufacturer cannot be held responsible.
Verify what follows:
a) cleaning of all system gas pipes in order to avoid the presence of residual combustion products
that could compromise the correct boiler functioning;
b) gas line and ramp conformity with laws and rules actually in force (Laws UNI-CIG 7129/01 and
7131/99 – DM 12/04/96);
c) internal and external tightness of the gas system and connections;
d) supply pipe must have a section greater than or equal to the boiler one;
e) supply gas must correspond to the one for which the boiler has been regulated; otherwise, call
[an HERMANN Servicing Centre] [a qualified technician] for gas conversion;
f) an interception valve must be installed upstream the appliance;
Open the meter valve and purge the air that is inside the system pipes (including all the appli-
ances).
890_R00
BOILER BOTTOM VIEW
FILLING
VALVE

17
Installation
for the technician
While connecting gas inlet pipe of the boiler to the pipe coming from gas network, it is
MANDATORY to insert a TIGHT GASKET, whose dimensions and material must be
adequate. Connection is NOT suitable for hemp, teflon strip or similar materials.
Using LPG, it is absolutely necessary to install a pressure reducer upstream the boiler.
Due to various installation possibilities, the gas cock supplied with Standard Connections Kit for
HABITAT 2 boilers has a simple male Ø ½” connection, facing the rear of the boiler. No gas pipes
are supplied.
Electrical connections
The link of the room thermostat works with a safety extra low voltage (SELV); connect it to
the voltage free terminals of the room thermostat/cronothermostat. On NO account must
any electrical voltage be applied to these terminals.
The boiler must be connected to an electrical line of 230V-50Hz, respecting the polarities L-N (Live-
Neutral) and the earth connection.
PLACE UPSTREAM THE BOILER A BIPOLAR SWITCH in compliance with the enforced
norms.
For the general electrical supply of the appliance, the use of adaptors, multiple taps and extensions
is not allowed.
If the supply cable must be replaced, use one of the following wire types: H05VVF or H05-VVH2-F.
It is mandatory the earth connection in accordance with the rules actually in force. To re-
place the cable, release the cable fastener placed on the frame of the hydraulic connections, open
the back cover of the control panel and disconnect it from the terminals. Install the new cable
working in the reverse way. When connecting the cable to the boiler, it’s IMPORTANT:
— to leave the Earth wire about 2 cm longer than Live and Neutral wires;
— to lock tha cable in the cable fastener placed on the frame of the hydraulic connections.
Electrical safety of the appliance is only achieved when it is well connected to an
efficient earthing system, executed as indicated by the safety rules actually in force.
A qualified technician must check that the electrical system is in line with the maximum power
allowed by the boiler, indicated on the data plate, with particular attention to the cables section.
Remark: HERMANN Ltd. declines any responsibility for damages to persons, animals or
things caused by the non-connection of the boiler earthing and by failure to comply with
the rules.

18
Installation
for the technician
Chimney connections
HABITAT 2 E (natural draught)
Place here all necessary
advices according to national rules about
CHIMNEY CONNECTIONS of OPEN chamber boilers
PRODUCTS TEST POINT
2500 mm MAX
SLOPE
min 3%
2 x d
min
d
FLUE
NO YES
These diagrams are
to explain the most
important ITALIAN
laws concerning
chimney connections
(for EXEMPLE
purpose only)

19
Installation
for the technician
Chimney connections
HABITAT 2 SE (forced draught)
NOTE ON FLUE INSTALLATION
When fitting air inlet and flue outlet horizontal
ducts, it is necessary to make sure there is a slope
of 2÷5% downwards from the boiler to the out-
side (see diagram). This is essential to guaran-
tee correct boiler operation and reliability. Air in-
let and flue outlet terminals should be protected
by suitable approved flue accessories, to avoid
environmental elements penetration.
Place here all necessary
advices according to national rules about
CHIMNEY CONNECTIONS of sealed chamber boilers
FLUE
NO YES
2% ÷ 5%
631R01

20
Installation
for the technician
AB
P
O
NC
M
F
E
D
IH
L
G
tupnitaehriehtnognidneped,sreliobthguarddecrofrofslanimreteulffogninoitisoP
gninoitisoplanimreTsecnatsiD
secnailppA
*Wk4morf
Wk7ot
mm
.nim
Wk7morf
Wk61ot
mm
.nim
Wk61morf
Wk53ot
mm
.nim
wodniwarednUA003005006
tnevrianarednUB003005006
rettugarednUC003003003
**ynoclabarednUD003003003
wodniwtnecajdanamorFE004004004
tnevriatnecajdanamorFF006006006
***sepipnoitaucavelatnozirohrolacitrevmorFG003003003
gnidliubehtforenrocamorFH003003003
gnidliubehtfosseceramorFI003003003
roolfrehtonamorfrodnuorgehtmorFL004 0051 0052
yllacitrevslanimretowtneewteBM00500010051
yllatnozirohslanimretowtneewteBN0050080001
ongnivah,ecafrusrehtonagnicafecafrusamorF
.stm3foecnatsidanihtiwslanimretrosgninepo
elohnoitaucaveehtmorf
O005100810002
nihtiwslanimretrosgninepohtiwtub,evobasA
elohnoitaucaveehtmorf.stm3foecnatsida P005200820003
* Appliances with an heat input lower than 4 Kw are not subjected to any limitation for the terminals
positioning, except for the points O and P.
** The terminals under a practicable balcony must be positioned in such a way that the total flue run, from
the terminal outlet to its own outlet from the external balcony perimeter, included the height of the
eventual protection banisters, is no lower than 2000 mm.
*** In the terminal positioning, it will
be necessary to keep distances
not inferior to 500 mm. in case
of close proximity to materials
sensible to the combustion
products action (e.g., plastic
gutters and downpipes, wood
projections and so on), unless
adequate measures of
protection have been adopted.
The terminals must be
designed in such a way that the
combustion products flow is as
much as possible ascensional
and protected from the tempe-
rature effects.
In case of evacuation to wall, the positions indicated in the following drawing and table must be
respected: