0000137936
rev. 6.1
5
Main board
pH/Redox version
NB: Connect the blue wire of chlorine probe to the te and the brown wire to the terminal -.
Wire Connection:
1) Flow meter input connection
(only if present)
2) Chlorine measurement input
(only if enabled)
3) PH measurement input
4) Redox measurement input
5) Temperature probe input
6) REED contact input
(only if chlorine measure is enabled)
7) Redox product level probe input
8) pH product level probe input
9) Flow (recirculation pump)
10) Redox relay (dry contact)
11) Alarm relay (dry contact)
pH
PUMP
Rx
PUMP
ALARM
INPUT
FLOW
Relay
Rx
Relay
pH
N
L
RELAY
RELAY
RELAY
+-
TOP VIEW
INPUT CL
LEV
pH
+-
INPUT
pH
+-
INPUT
RX
TEMP
PROBE
REED LEV
Rx
EXP
INPUT
CL
CIRCUIT CL
PROBE
INPUT MODBUS
COM
PIN
1
2
3
4
Description
T+ R+
T- R-
GND
Not Used
3
3
4
2
1
on demand
INPUT FLUX
+5Vdc
SIGN
GND
485 TO EXTERNAL CONNECTOR
RS
2
3 4 5 6 7 8
9
10
11
12
13
14
15
1
12) pH relay (dry contact)
13) 240 Vac power supply input
14) Redox pump power supply
15) pH pump power supply
