Content
Safety Instructions 4
EU-Conformity 4
General instructions 4
Explanation of Symbols 4
Changes to the Unit 5
Warranty and Liability 5
Disposal and Pollutants 5
Description LTDC 5
About the Controller 5
Specifications 6
Scope of supply 6
Hydraulic Variants 7
Installation 10
Electrical Terminals 10
Wall Installation 11
Electrical Connection 12
Installing the Temperature Sensors 12
Temperature Resistance Table for Pt1000 Sensors 12
Operation 13
Display and Input 13
Commissioning help 14
1. Measurement values 14
2. Statistics 15
Operating hours 15
Heat quantity 15
Graphic overview 15
Error messages 15
Reset / Clear 15
3. Operating mode 16
Automatic 16
Manual 16
Off 16
4. Settings 17
Tmin S1 17
Priority Storage X 17
ΔT Solar Storage X 17
Tmax S2 17
Tmin Storage X 17
Priority temperature 18
Loading time 18
Increase 18
5. Protective Functions 19
System protection 19
Collector protection 19
Recooling 19
Seizing Protection 19
Collector alarm 20
Pressure Monitoring 20
6. Special Functions 20
Program selection 20
Pump settings 20
Signal type 20
Pump 20
Speed control 20
Variant 20
Purging time 21
Sweep time 21
Max. Speed 21
Min. Speed 21
Setpoint 21
Relay functions 21
Solar bypass 21
Solar bypass 22
Variant 22
Bypass sensor 22
Thermostat 22
Tset 22
Hysteresis 22
Thermostat sensor 1 22
Thermostat sensor 2 22
T eco 22
Energy Saving Mode 22
Thermostat enable 22
Cooling 22
Tset 22
Hysteresis 22
Cooling sensor 22
Periods 23
Return flow increase 23
Return flow increase 23
RF Tmin 23
RL Tmax 23
ΔT return flow 23
Return flow sensor 23
Storage sensor 23
Field cooling 23
Field cooling sensor 23
Hys max 23
Hys min 23
Tmax field 23
Anti Legionella 23
Heat transfer 24
Heat transfer 24
Δ T Heat transfer 24
HT Tmax 24
HT Tmin 24
HT-Source 24
HT-Drain 24
Difference 24
Difference 24
Δ T Difference 24
DF-Source 25
Diff. Tmin 25
Diff.-Drain 25
Diff. Tmax 25
Solid fuel boiler 25
Solid fuel boiler Tmin 25
ΔT Solid fuel boiler 25
Solid fuel boiler Tmax 25
Boiler sensor of this function 25
Storage sensor 25
Error messages 25
Error message 25
Pressure monitor 26
Pressure monitor 26
RPS1 / RPS2 26
Pmin 26
Pmax 26
Booster 26
Booster 26
Charge time 26
Parallel operation R1/R2 26
Parallel operation 26
Delay 26
Followup time 26
Always on 26
Heating Circuit 26
Room sensor 27
Room Reference (Night) 27
Room Reference (Day) 27
Periods 27
Heat quantity 27
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