Siemens SIMATIC PANEL PC 877 - Manual (Page 115)

SIMATIC Panel PC 877
Operating instructions, Release 07/2006, A5E00877780-01
12-1
Maintenance and service
12
12.1
12.1
Servicing
Scope of maintenance
When working in areas where there is dust that may be hazardous to functionality, the
device must be operated in a control cabinet with a heat exchanger or with suitable supply
air.
Note
Dust deposits must be removed at regular intervals.
Maximum dust content in the air circulating in the cabinet
Suspended component
0.2 mg/m 3
Deposits 1.5 mg/m 3 /h
Cleaning agents
Use dish soap or foaming screen cleaner only as cleaning agents.
Caution
Do not clean the device with aggresive solvents or scrubbing agents or with pressurized air
or steam cleaner.