HP sensor installation ver. 1
3.5 Installing flow switch
● Install the flow switch in the inlet pipe on the cold side.
● A straight pipe of 4 x D is required before the flow switch (the pipe length must be at
least 4 x the pipe diameter).
● Place the switch on the side of the pipe, not on the bottom due to dirt, nor on the top
due to air.
● The flow switch has to be installed in a G1/2 sleeve. The maximum lenght of the
sleeve is 29mm.
● Electrical connection has to be made in accordance with the ChillHeat wiring
diagrams.
● Water flow adjustment 1-150 cm/s, adjust according to the minimum flow of the site.
● During normal flow, all green leds should be active.
● Alarm delay adjustment 1-40 s. Adjust to minimum ~1 s.
Electrical connection 230 VAC. Note that the white wire has to be
insulated.
CHS01 1951EN
15 (63)
