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Settings
5.4 Tmax S2
5.5 Tmax S3
5.6 ∆T R1
Switch-off temperature at sensor 2
If this value is exceeded at sensor 2 and the other conditions are also met, then the
controller switches the associated pump and/or valve off. If sensor 2 falls below this
value again and the other conditions are also met, then the controller switches the
pump and/or valve on again.
Setting range: from 0°C to 99°C/default setting: 60°C (30°C in pool variants)
Switch-off temperature at sensor 3
If this value is exceeded at sensor 3 and the other conditions are also met, then the
controller switches the associated pump and/or valve off. If sensor 3 falls below this
value again and the other conditions are also met, then the controller switches the
pump and/or valve on again.
Setting range: from 0°C to 99°C/default setting: 60°C (30°C in pool variants; in hydrau-
lic variants without S3 default: Off)
Switch-on/switch-off temperature difference for relay R1
If this temperature difference between the reference sensors is exceeded and the
other conditions are also met, then the controller switches the relay R1 on.
When the temperature drops to ΔT Off, then R1 is switched off.
Settings range: ΔT from 4°C to 20°C / ΔTOff from 2°C to 19°C
Settings range: ΔT 10°C / ΔT off 3°C.
Danger
Danger
Temperature values which are set too high can lead to scalding or dam-
age to the system. Scalding protection must be provided by the cus-
tomer!
Temperature values which are set too high can lead to scalding or dam-
age to the system. Scalding protection must be provided by the cus-
tomer!
If the set temperature difference is too small, this may result in ineffec-
tive operation, depending on the system and sensor positions.
Special switching conditions apply for speed control (see 7.9)!
Caution
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