Maintenance - Ferroli BLUEHELIX TECH RRT 28 С Instructions For Use, Installation And Maintenance

3.3 Maintenance

IMPORTANT
B
ALL MAINTENANCE WORK AND REPLACEMENTS MUST BE CARRIED OUT BY SKILLED QUALIFIED
PERSONNEL.
Before carrying out any operation inside the boiler, disconnect the power and close the gas cock up-
stream. Otherwise there may be a danger of explosion, electric shock, suffocation or poisoning.
Opening the front panel
B
Some internal components of the boiler can reach high temperatures such as to cause severe
burns.Before doing any work, allow these components to cool or alternatively wear appropriate
gloves.
To open the boiler casing:
1. Partially undo the screws A (see fig. 32).
2. Pull the panel B towards yourself and release it from the upper fastenings.
B
On this unit, the casing also acts as a sealed chamber. After any operation involving opening the boil-
er, carefully check the correct refitting of the front panel and its seal.
Proceed in reverse order to refit the front panel. Make sure it is correctly hooked to the upper fastenings and is correctly
positioned at the sides. When tightened, the head of screw "A" must not be below the lower fold (see fig. 33).
178
A
A
fig. 32- Front panel opening
OK
fig. 33 - Correct position of front panel
cod. 3541N260 - Rev. 01 - 10/2017
BLUEHELIX TECH RRT 28 C
B
A
NO
EN