Bosch CR 50 - Old electrical and electronic appliances

6720856749 (2016/03) CR50
10 | Overview of the service menu
9 Overview of the service menu
The menu items are displayed in the sequence below.
Service
System Data
– User interf. (as a controller)
– HC assignment (HK1)
– Pump conn. (pump connection to the heat source)
– Heat. System
– Control type
– Ext.RoomSens. (external room temperature sensor)
– Config. HC1
1)
(Configuration of heating circuit 1)
– DHW
– LLH sensor (low loss header)
– Recirculation (DHW circulation pump)
– Reset all (restoration of default setting)
Heat.circuit
– Max. Suppl.T. (maximum flow temperature)
– PID charact.
– Opt. pump run (optimum heating circuit pump operation)
– Frost protect
2)
– DHW priority (DHW heating prioritized)
DHW
– Max. DHW temp
1)
(maximum DHW temperature)
Function test
– Activation
– System pump
Info
– Appl. oper. (burner in operation)
– Appl.set flow (required flow temperature)
– Appl.act.flow (measured flow temperature)
– Appl.max.flow (maximum flow temperature)
– LLT temp. (low loss header temperature)
– HC operation (heating circuit operation)
– HC set sply. (required flow temperature in heating zone)
– Set room temp (desired room temperature)
– Room Temp. (measured room temperature)
– DHW operation (DHW heating operation)
– Set DHW temp (desired DHW temperature)
– Act. DHW temp (measured DHW temperature)
– Max. DHW temp (maximum DHW temperature)
Maintenance
– Maint.message (maintenance message)
– Maint. date
– Reset maint. (reset the service display)
– Current fault (active faults)
– Fault history (of the last 20 faults)
– Reset fault (reset fault history)
System info
– Install.date (date of installation)
– Control unit
– Control SW (software version of the control device)
– SW controller (programming unit software version)
1) Available only when using heat sources with EMS 2.
2) Only available with 2-wire BUS/EMS 2-BUS.