Beretta IDRA MS 150 LE, Installation And Operation Manual

13

INSTALLER

12  PLACE OF INSTALLATION

B

IDRA MS FI LE

 storage cylinders can be installed 

in any room where there is no specific requirement for an 

electrical protection rating higher than IP X0D.

b

Respect the minimum specified installation distances 

to ensure correct installation and access for mainte-

nance.

≥ 0,4 m

≥ 0,6 m

≥ 0,3 m

≥ 0,4 m

13  INSTALLATION IN OLDER 

SYSTEMS AND SYSTEMS 

REQUIRING MODERNISATION

When installing 

B

IDRA MS FI LE

 storage cylinders in 

old systems or systems requiring modernisation, always 

perform the following checks.

 - Make sure that the system is fitted with safety and 

control devices in accordance with applicable legis-

lation and standards

 - Make sure that the central heating circuit has been 

flushed out to remove all sludge and lime scale, and 

has been vented and seal tested

 - Make sure that a suitable water treatment system is 

installed if the quality of the supply/recirculation water 

so demands (refer to the reference values listed in the 

table alongside).

REFERENCE VALUES

pH

6-8

Electrical conductivity

less than 200 μS/cm (25°C)

Chlorine ions

less than 50 ppm

Sulphuric acid ions

less than 50 ppm

Total iron

less than 0.3 ppm

Alkalinity M

less than 50 ppm

Total hardness

less than 35°F

Sulphur ions

none

Ammonia ions

none

Silicon ions

less than 30 ppm

14  PREPARING FOR INITIAL 

STARTUP

 - Connect the safety valve drain to a pipe (T) to avoid 

burns from expelled fluid and to permit the heat trans-

fer fluid to be recovered

 - Connect up an expansion vessel (E) designed for use 

in solar water heating systems

 - Connect the pump and the sensors to the solar con-

troller (if provided) as instructed in the manual sup-

plied with the controller.

SAFETY

DRAIN

T

E