Installation manual
SYSTEM BOILER
– TA02A101.B1203
8
GAS CONNECTIONS
The gas supply must be connected up by qualified
person.
The following standards must be complied with: UNICIG
7131/72 and UNICIG 7129/92 (of 21/04/93)
Before installing the boiler, make sure of the following:
the pipeline must be of an adequate diameter and length
to carry the flow required and must be fitted with all
safety devices and measures prescribed by current
norms;
before turning on the boiler make sure the type of gas
which it is designed to run on is available;
the gas supply pressure must lie within the values shown
on the plate;
it is recommended that the gas supply pipeline should be
checked for residual obstructions before installing the
boiler;
where the internal gas supply pipe meets the boiler, a
gas shutter cock must be fitted which has the same
diameter as the gas inlet pipe;
check thoroughly that the gas inlets and outlets are
properly sealed.
conversion to allow the boiler to run on LPG to natural
gas or vice versa must be carried out by a qualified gas
fitter in accordance with law no.46 of 5th March .
WATER CONNECTIONS
To facilitate installation, the boiler is equipped with htg flow
and return connecting pipes
IMPORTANT:
Before connecting the heating system pipes, carefully clean
the system with a flushing agent to prevent residual dirt
from entering into circulation and negatively affecting boiler function.
ADVICE AND SUGGESTIONS FOR DEALING WITH VIBRATIONS AND NOISE FROM THE SYSTEM
avoid using pipelines of reduced diameter;
avoid the use of tight bends and adapters in important sections;
clean out the system thoroughly before connecting up the boiler in order to eliminate any residue left in the pipes and
radiators.
N.B.:
Make sure that the heating pipes are not used as earth connections for electrical apparatus.
They are in no way suitable for such purposes
ANTI-FREEZE SYSTEM
ADVICE FOR THE SERVICE TECHNICIAN
If the boiler is out of service because it is frozen, check that no parts have been
locked in position by ice before putting it into operation.
It is advisable to empty the boiler and the system in case of no operation for a
long period.
Recommended percentage of glycol for temperatures down to - 8°C is 20%.
The
antifreeze liquid used must be of a good make and in a solution which has
already been diluted to avoid the risk of uncontrolled dilution.
Antifreeze
Temperature
Ethylene
glycol
(%) volume
freezing
point
(°C)
boiling point
(°C)
10
- 4
101
20
-10
102
30
- 17
104
40
- 27
106
50
- 40
109
60
- 47
114
R
3/4"
Ø22
F
3/4"
Ø22
1/2"
G
Summary of Contents for RS 24 E 70/90
Page 2: ......
