0000137188 Rev. 1.0
8
6. DESCRIPTION OF THE CIRCUIT
1) Inlet pH measurement
2) Inlet temperature probe
3) Inlet probe level for product pH
4) Inlet probe level for product H
2
O
2
5) Keyboard input
6) Flow (recirculation pump)
7) Relay for pH product, external pump.
8) Alarm relay
9) Relay for H
2
O
2
product, external pump.
10) Power supply input
11) Switch
12) Fuse
13) Power supply for pH pump
14) Power supply for H
2
O
2
pump
7. CALIBRATION MENU
7.1 Calibration
Before proceeding, the calibration must be enabled. Scroll down the menu
Advanced
Cal,
the display will show:
Exit the menu and return to the normal system status.
Calibration Menu Display
Settings
Advanced
Cal Off
Press
ENTER
to access the menu.
Advanced
Cal Full
Press
ENTER
and the + and
– keys to
modify the calibration. Select
Full
and
confirm with
ENTER
.
Al ar m
RL pH
Input
Fl ow
F
N
Net
Fuse
µChip
Rel ay Rel ay Rel ay
1
5
6
7
8
9
10
12
14
Lev
pH
Temp
Pr obe
Input
pH
2
3
4
11
Pump
pH
13
- +
Lev
H O
2
2
RL H O
2
2
H O Pump
2
2
Not Used
Not
Used
Not
Used