DE DIETRICH AFC 18 - AFC 24 - AFC 30 - Manual (Page 6)

Caution: danger, live parts.
Disconnect the mains power prior to any operations.
1.2 Abbreviations
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
1.3 General
1.3.1. Manufacturer’s liability
Our products are manufactured in compliance with the requirements
of the various applicable European Directives. They are therefore
delivered with [ marking and all relevant documentation.
In the interest of customers, we are continuously endeavouring to
make improvements in product quality. All the specifications stated in
this document are therefore subject to change without notice.
Our liability as the manufacturer may not be invoked in the following
cases:
4
Failure to abide by the instructions on using the appliance.
4
Faulty or insufficient maintenance of the appliance.
4
Failure to abide by the instructions on installing the appliance.
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M002628-A
1. Introduction AFC 18 - AFC 24 - AFC 30
5 09/01/2014 - 300026440-001-03