Installer's instructions [PDF] (59 pages)
- Updated: 09.06.2026
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CONTENTS
1
DESCRIPTION OF THE BOILER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . pag.
73
2
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . pag.
76
3
CHARACTERISTICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . pag.
84
4
USE AND MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . pag.
88
INSTALLER INSTRUCTIONS
IMPORTANT
When carrying out commissioning of the boiler, you are highly recommended to perform the following checks:
– Make sure that there are no liquids or inflammable materials in the immediate vicinity of the boiler.
– Make sure that the electrical connections have been made correctly and that the earth wire is connected to a
good earthing system.
– Open the gas tap and check the soundness of the connections, including that of the burner.
– Make sure that the boiler is set for operation for the type of gas supplied.
– Check that the flue pipe for the outlet of the products of the combustion is unobstructed and has been pro-
perly installed.
– Make sure that any shutoff valves are open.
– Make sure that the system is charged with water and is thoroughly vented.
– Check that the circulating pump is not locked (CAUTION: Remember to release the pump coupled with the control
panel, if necessary, to protect the electronic control card).
– Purge the system, bleeding off the air present in the gas pipe by operating the pressure relief valve on the gas
valve inlet.
FORMAT - ENGLISH
FONDERIE SIME S.p.A. of Via Garbo 27 - Legnago (VR) - Italy declares that its hot water boilers, which bear the CE mark under
Gas Directive 90/396/CEE and are fitted with a safety thermostat calibrated to a maximum of 110°C, are not subject to appli-
cation of PED Directive 97/23/CEE as they meet the requirements of article 1 paragraph 3.6 of the Directive.
1.1
INTRODUCTION
“FORMAT” boilers are gas-fired thermal
appliances for central heating and domestic
hot water production, designed and manu-
factured to satisfy the needs of multiple
dwelling and modern plant requirements.
They comply with the european directives
90/396/CEE, 89/336/CEE, 73/23/CEE,
92/42/CEE and with the european specifi-
cations EN 297 - EN 483.
These appliances can be fired by natural
gas (methane) and butane gas (G30) or
propane gas (G31).
This booklet provides the instructions for
the following boiler models:
– “FORMAT 25 OF - 30 OF”
with electronic ignition and modulation,
natural draught.
– “FORMAT 25 BF - 30 BF”
with electronic ignition and modulation,
room sealed forced-draught.
The instructions given in this manual are
provided to ensure proper installation and
perfect operation of the appliance
73
1
DESCRIPTION OF THE BOILER
1.2
DIMENSIONS
1.2.1
“FORMAT 25 OF - 30 OF”
1.2.2
“FORMAT 25 BF - 30 BF”
L
865
D
205
47,5
47,5
31
110
370
=
=
70 70
70
70
R M G
E U
732,5
80
Fig. 1
370
110
205
47,5
47,5
ø 100/60
86,5
865
L
732,5
=
=
70 70 70 70
R M G
E
U
31
80
Fig. 1/a
R
C.H. return
3/4”
M C.H. flow
3/4”
G
Gas connection
3/4”
E
D.H.W. inlet
1/2”
U
D.H.W. outlet
1/2”
25
30
L
mm
450
500
D
mm
130
150
R
C.H. return
3/4”
M C.H. flow
3/4”
G
Gas connection
3/4”
E
D.H.W. inlet
1/2”
U
D.H.W. outlet
1/2”
25
30
L
mm
450
500
74
1.3
TECHNICAL FEATURES
* The gas consumptions refer to the calorific value at standard conditions at 15°C - 1013 mbar.
** Differential measure between the pressure upstream of the gas valve and the depression in the room sealed
25 OF
30 OF
25 BF
30 BF
Heat output
Nominal
kW
23.3
28.6
23.3
29.0
kcal/h
20,000
24,600
20,000
24,900
Minimum
kW
9.3
11.7
9.3
11.5
kcal/h
8,000
10,100
8,000
9,900
D.H.W. heat output
Nominal
kW
23.3
28.6
23.3
29.0
Heat input
Nominal
kW
25.8
31.6
25.8
31.6
Minimum
kW
10.8
13.5
10.8
13.5
Water content
l
2.4
2.4
3.4
3.4
Adsorbed power consumption
W
105
110
150
160
Electrical protection grade
IP
44
44
44
44
Maximum water head
bar
3
3
3
3
Maximum temperature
°C
95
95
95
95
Expansion vessel
Water content
l
7
10
7
10
Preloading pressure
bar
1
1
1
1
CH. setting range
°C
40÷80
40÷80
40÷80
40÷80
D.H.W. setting range
°C
40÷60
40÷60
40÷60
40÷60
D.H.W. flow rate (EN 625)
l/min
10.5
12.7
10.5
12.7
Continuous D.H.W. flow rate ∆t 30°C
l/min
11.1
13.6
11.1
13.8
Minimum D.H.W. flow rate
l/min
2
2
2
2
D.H.W pressure
Minimum
bar
0.5
0.5
0.5
0.5
Maximum
bar
7
7
7
7
Smokes temperature
°C
119
120
135
150
Smokes flow
gr/s
21.0
22.5
19.0
20.3
Category
II2H3+
II2H3+
II2H3+
II2H3+
Type
B11BS
B11BS
B22-C12-C32-C42-C52
C12-C32-C42-C52
Weight
kg
35
41
43
49
Main burner nozzle
Quantity
n°
13
15
13
15
Methane
ø mm
1.30
1.30
1.30
1.30
G30 - G31
ø mm
0.75
0.77
0.75
0.76
Gas consumption *
Methane
m3st/h
2.72
3.34
2.72
3.34
Butane (G30)
kg/h
2.02
2.48
2.02
2.48
Propane (G31)
kg/h
1.99
2.40
1.99
2.40
Burner gas pressure
Methane
mbar
2÷9
2÷10.5
2÷9.6
2.3÷11.1**
Butane (G30)
mbar
5÷27
5.2÷27.9
5÷27
5.5÷26.8**
Propane (G31)
mbar
5÷35
6.9÷35.5
5÷35
6.9÷34.9**
Gas supply pressure
Methane
mbar
20
20
20
20
Butane (G30)
mbar
30
30
30
30
Propane (G31)
mbar
37
37
37
37
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