PAW FC3.10 - Page 8

3 Assembly and installation [specialist]
8 99E13331xx-mub-en - V02 2019/09
Input:
Terminal Individual operation mode / Cascade operation mode
S1, Ʇ
Flow temperature, primary (T-FL)
S2, Ʇ
Domestic hot water temperature, secondary T)
S3, Ʇ
Optional: Sensor for storage tank temperature (T-SP)
S4, Ʇ
Cold water temperature, secondary (T-CW)
VFS/US1
VSF-/Ultrasonic sensor
Outputs:
Terminal Individual operation mode Cascade operation mode
R1
--- Cascade valve
R2
Return stratification (optional) Return stratification
(optional, at master controller
R3
Primary / Secondary pump Primary / Secondary pump
PWM 1
Primary pump Primary pump
PWM 2
Secondary pump (circulation) Secondary pump
(circulation, at master controller)