20
Installation and maintenance instructions Gas Boiler Logano GC124 II/SP • Issue 07/2006
We reserve the right to make any changes due to technical modifications.
Boiler installation
7
7.5
Filling heating system and checking
for leaks
The boiler is tested for leaks at the factory. Before plac-
ing the heating system into use, check the entire system
for soundness to avoid leaks occurring during operation.
Water treatment
Carry out the leak test at 1.5 times the normal operating
pressure and as specified by the local codes as follows:
USER NOTE
Have the water analyzed before filling the
heating system. The water may require
treatment as a result of the analysis.
Please consult the local water supply
company if the water is extremely hard or
has a pH level below 7.0.
CAUTION!
SYSTEM DAMAGE
due to overpressure during the leak test.
Pressure, control or safety components
may be damaged by high pressure.
z
Before conducting the leak test make
sure that no pressure, control or safety
components that cannot be disconnect-
ed from the water compartment of the
boiler are installed.
Maximum operating pressure
Maximum test
pressure
30 psi
(based on supplied re-
lief valve)
45 psi
58 psi
(with special relief
valve)
75 psi
Tab. 6
Pressure Test
