Honeywell BCU 370 - Capacity Control by Adjusting the Valve between the Open Position and a Separate Min Position

BCU 370 · Edition 01.19 15
r
25 26 27 28 29 30 31 32
M
3PS
90° ➔ 0 0 ➔ 90°
Min
–+
Function
3.1.3 Capacity control by adjusting the valve
between the Open position and a separate Min
position
This connection is used if the valve position to be ap-
proached is below the Ignition position.
Standard wiring of BCU 370 and BCU 370..B1 without
three-point step control function
Valve position Activation of terminal
Upper end position Open 28
Lower end position Closed 27
Lower end position Min Via separate limit switch
Lower end position Ignition 26