Gas Connection - Riello Start Condens 25 IS Manuel D'installation Et D'utilisation

Jumper Description
JP1 Calibration
JP2 Heating timer reset
JP3 Calibration (see paragraph "Adjustments")
JP4 Do not use
JP5 Heating only function with a predisposition for external
storage tank with thermostat (JP8 inserted) or probe
(JP8 not inserted)
JP6 Enable night-time compensation and continuous pump
function (only with outdoor probe connected)
JP7 Enable standard system/low temperature management
(see above)
JP8 Management of external boiler with thermostat enabled
(jumper inserted)/ Management of external boiler with
probe enabled (jumper not inserted)
The boiler foresees jumpers JP5 and JP8 inserted as standard
(heating only version arranged for storage tank with thermostat); if
the use of an exterior storage tank with probe is required, jumper
JP8 must be removed.

2.9 - Gas connection

The connection of the START CONDENS IS boiler to the gas supply
must be carried out in the respect of current installation standards.
Before carrying out the connection, it is necessary to ensure that:
• The gas type is suitable for the appliance
• The piping is thoroughly clean.
9 The gas feeding system must be adapted to the boiler output
and must be equipped with all the safety and control devices pre-
scribed by the current standards. The use of a filter of adequate
dimensions is recommended.
9 Once the installation is done, check that the junctions carried
out are sealed.
2.10 - flue gas outlet and combustion air suction
9 The maximum lengths of the ducts refer to flue systems availa-
ble in the catalogue.
67,5 135
Suction/discharge pipes length table
Maximum straight
Flue gases pipe
Ø 80 mm ("forced open"
installation) (type B23P-
B53P)
Concentric pipe
Ø 60-100 mm (horizontal)
Concentric pipe
Ø 60-100 mm (vertical)
Concentric pipe
Ø 80-125 mm
Twin pipe Ø 80 mm
9 "Straight length" means without bends, drainage terminals or
joints.
9 It is compulsory to use specific pipes.
9 The non insulated flue gas outlet pipes are potential sources of
danger.
9 The use of a longer pipe causes a loss of output of the boiler.
72 130,5
Pressure drop
length
25 IS bend 45° bend 90°
70m 1m 1.5m
5.85m 1.3m 1.6m
6.85m 1.3m 1.6m
15.3m 1m 1.5m
45+45 m 1m 1.5m
9 Make sure the flue gas discharge pipe is tilted 3° towards the
boiler.
3°
Flue gases pipe Ø 80 mm ("forced open" installation) (type
B23P-B53P)
The appropriate adaptor kit must be installed for this configuration.
The concentric pipes can be fitted in most suitable direction in rela-
tion to installation requirements. For installation, follow the instruc-
tions supplied with the specific kit for condensing boilers.
Concentric pipes ø 60-100mm
Twin pipes ø 80mm
Air inlet adaptor kit
Ø 80 mm
Maximum pipe length Ø 80 mm - 25 IS
80
70
60
50
40
30
20
10
0
0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110
Length of suction pipe (m)
21
ENGLISH
130
Air inlet adaptor kit
from Ø 60 mm to
Ø 80 mm