112
ENG
Maintenance
g0300122EN rel. 1.0 - 01.12.2021
17. MAINTENANCE
DANGER:
always wear protective gloves during maintenance operations.
DANGER: p
oor maintenance, removal or modifi cation of safety devices and/or the use of non-original spare parts can
cause serious or fatal injuries to operators or third parties and humidifi er malfunctions.
DANGER: b
efore all operations:
• disconnect the humidifi er from the mains power supply;
• close the water supply and gas shut-off valves;
• drain the water circuit using the manual electric pump function or the drain valve provided, after connecting a pipe to drain the water
outside of the unit and avoid fl ooding.
IMPORTANT
• Do not use detergents or solvents to clean the plastic components.
• Descaling can be performed using a 20% acetic acid solution, then rinsing with plenty of water.
17.1
B
oiler maintenance
Access the boiler as described in the chapter “Introduction and installation”. Remove panels A, B and C as follows (Fig. 17.a):
• detach the steam hose from the boiler;
• undo screws V and V1 (Fig. 17.a);
• undo the internal and external screws that secure panel B (Fig. 17.a);
• remove panels A, B and C (Fig. 17.a).
300090_051_R02
A
B
C
V
V
V
1
Fig. 17.a