Abbreviations - DeDietrich AFC 30 User Manual

2. About this manual
1
2.2

Abbreviations

9
Caution: danger, live parts.
2
Disconnect the mains power prior to any operations.
M002628-A
4 3CE: Collective conduit for sealed boiler
4 3WV: 3-way valve
4 PCU: Primary Control Unit - PCB for managing burner operation
4 PSU: Parameter Storage Unit - Parameter storage for PCBs
PCU and SU
4 SCU: Secondary Control Unit - DIEMATIC iSystem control panel
PCB
4 SU: Safety Unit - Safety PCB
4 DHW: Domestic hot water
4 HL: High Load - DHW tank with plate exchanger
4 SL: Standard Load - DHW tank with coil
4 SHL: Solar High Load - Solar DHW tank with plate exchanger
4 MC: Boiler module
4 Hi: Lower heating value LHV (Nett)
4 Hs: Higher heating value HHV (Gross)
4 CFC: Chlorofluorocarbon
AFC 18 - AFC 24 - AFC 30
15/07/2015 - 300026440-05