HBM WTX120, Operating Manual, Page: 101 / 550

SupervisorMode
WTX120
A4500-1.1 HBM: public
99
10.2.12.3 Coarse/Fine
The coarse and fine flows are always activated separately (never simultane­
ously). In the coarse flow phase, only coarse flow is active. In the fine flow
phase, only fine flow is active.
Coarse flow
Fine flow Start Time
Time
OFF
OFF
ON
ON
Coarse flow cut-
off point
Coarse flow cut-
off point Fine flow cut-
off point
Fig. 11.7 Fill cycle with Coarse/Fine valve control
Coarse flow
Fine flow
Time
Time
Off
Off
On
On
Start Fine flow cut-
off point
Coarse flow cut-
off point First fine flow phase
before coarse flow
Coarse flow cut-
off point First fine flow phase
before coarse flow
Fig. 11.8 Fill cycle with Coarse/Fine valve control with first fine flow phase activated
(see also chapter 10.2.27)