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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.
10


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