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EV../EX.. | Intelligent Valve | SP / G | System potential |
ASE.. | Intelligent Valve controller | SN / G0 | System zero |
A | Actuator (e.g. GLA161.9E/HR) | U | Positioning feedback |
FS | Flow sensor | Y | Positioning signal |
B7 | Temperature sensor blue | C+ | L-bus potential |
B26 | Temperature sensor red | C- | L-bus neutral |
X1 | Outside temperature sensor, passive (e.g. QAD22) or active (e.g. QAD3161) | DU | Pulse input |
Q13/Q14 | Switching output relay for pump release | ||
X3 | Temperature sensor, passive – secondary flow temperature (e.g. QAD26.220) | ||