K-Patents DD-23 - Manual (Page 30)

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7.2 Divert decision logic
After the system has evaluated the solid contents to be either safe or unsafe (see Sec-
tion 7.1), it decides whether the the system should be in the DIVERT state. This deci-
sion is made according to the 󰅮low diagram in Figure 7.2.
The default state of the system is the DIVERT state. It can be changed to the NO DIVERT
state only by manually pressing the
DIVERT RESET push-button when the solid content
is suf󰅮icient (SAFE SOLIDS). If the solid content drops to UNSAFE, the system drops
into the DIVERT state.
The only exception to this is when the HEADER WASH is active. In that case the solid
content checking is skipped. The system may then be switched between the DIVERT
and NO DIVERT states by using the
EMERGENCY DIVERT and DIVERT RESET push buttons
in the operator panel (or the equivalent external emergency divert and divert reset
buttons).
The system will drop to the DIVERT state in all cases when the EMERGENCY DIVERT
button (or its external counterpart) is pressed.
NO DIVERT DIVERT
HEADER WASH
active?
Divert from
safe solids logic?
EMERGENCY
DIVERT
pressed?
DIVERT RESET
pressed?
yes
no
yes
no
yes
no
no
yes
Figure 7.2 The divert decision logics