46
738.955 | 10.40
EN
12 Technical data
Temperature difference controller
Operational voltage 230 V~ (+/– 15 %), 50 Hz
Controller's own consumption ≤ 1 W
Inputs 2
x temperature recording (Pt1000)
1 x
Grundfos Direct Sensors
TM
VFS 1-12 input
(flow rate and temperature)
Output R1: Triac switched output for permanently
supplying power to the ECM pump
C: PWM control signal for pump speed:
8
mA, 5 V, 250 Hz
Characteristic curve:
0 % PWM = pump off
100 % PWM = maximum speed
Switch-on temperature difference 8 K
Switch-off temperature difference 4 K
Display LCD display
Degree of protection IP
20 / DIN 40050
Permitted ambient temperature
0 °C to +45 °C
Installation Wall mounting
Weight 2
50 g
To Next Page
Loading...
