Base
Walchem Intuition-9 Cooling Tower Controller with Configurable Relays
Relay Base Board
8 - Configurable Relay Board, Total Current Handling 15 Amps
9 - Configurable Relay Board, Total Current Handling 20 Amps
Relay Module / Pigtail Options - Select up to Three
Please arrange in alphabetical order
N - No Relay Module
A - 4 Powered Relays (Hardwired)
B - 4 Dry Relays
C - 4 Opto Relays (No Cables)
D - 2 Powered Relays (Hardwired) and 2 Dry Relays
E - 2 Powered Relays (Hardwired) and 2 Opto Relays (No Cables)
F - 2 Dry Relays and 2 Opto Relays (No Cables)
G - 3 Form C Dry Relays
H - 4 Powered Relays with USA Pigtails Prewired
I - 2 Powered Relays with USA Pigtails Prewired and 2 Dry Relays
J - 2 Powered Relays with USA Pigtails Prewired and 2 Opto Relays with 20' Pulse Cables
K - 4 Opto Relays with 20' Pulse Cables
L - 2 Dry Relays and 2 Opto Relays with 20' Pulse Cables
N - No Relay Module
A - 4 Powered Relays (Hardwired)
B - 4 Dry Relays
C - 4 Opto Relays (No Cables)
D - 2 Powered Relays (Hardwired) and 2 Dry Relays
E - 2 Powered Relays (Hardwired) and 2 Opto Relays (No Cables)
F - 2 Dry Relays and 2 Opto Relays (No Cables)
G - 3 Form C Dry Relays
H - 4 Powered Relays with USA Pigtails Prewired
I - 2 Powered Relays with USA Pigtails Prewired and 2 Dry Relays
J - 2 Powered Relays with USA Pigtails Prewired and 2 Opto Relays with 20' Pulse Cables
K - 4 Opto Relays with 20' Pulse Cables
L - 2 Dry Relays and 2 Opto Relays with 20' Pulse Cables
N - No Relay Module
A - 4 Powered Relays (Hardwired)
B - 4 Dry Relays
C - 4 Opto Relays (No Cables)
D - 2 Powered Relays (Hardwired) and 2 Dry Relays
E - 2 Powered Relays (Hardwired) and 2 Opto Relays (No Cables)
F - 2 Dry Relays and 2 Opto Relays (No Cables)
G - 3 Form C Dry Relays
H - 4 Powered Relays with USA Pigtails Prewired
I - 2 Powered Relays with USA Pigtails Prewired and 2 Dry Relays
J - 2 Powered Relays with USA Pigtails Prewired and 2 Opto Relays with 20' Pulse Cables
K - 4 Opto Relays with 20' Pulse Cables
L - 2 Dry Relays and 2 Opto Relays with 20' Pulse Cables
Power Cord
H - No Power Cord (hardwired)
P - USA Power Cord (15 amp, use only with Relay Board 8)
T - USA Power Cord (20 amp, use only with Relay Board 9)
B - Brazil Power Cord (15 amp, use only with Relay Board 8)
D - DIN Power Cord (15 amp, use only with Relay Board 8)
Input/Output Modules - Select up to Four
Please arrange in alphabetical order
N - No Input/Output Module
A - Sensor Input Module (2 Universal Inputs)
B - Dual Channel Analog (4-20 mA) Input
C - Four Channel Analog (4-20 mA) Input
D - Six Channel Analog (4-20 mA) Input
E - Dual Channel Analog (4-20 mA) Input + Four Channel Analog (4-20 mA) Output
F - Dual Channel Analog (4-20 mA) Output
G - Four Channel Analog (4-20 mA) Output
H - Dual Channel Corrosion
N - No Input/Output Module
A - Sensor Input Module (2 Universal Inputs)
B - Dual Channel Analog (4-20 mA) Input
C - Four Channel Analog (4-20 mA) Input
D - Six Channel Analog (4-20 mA) Input
E - Dual Channel Analog (4-20 mA) Input + Four Channel Analog (4-20 mA) Output
F - Dual Channel Analog (4-20 mA) Output
G - Four Channel Analog (4-20 mA) Output
H - Dual Channel Corrosion
N - No Input/Output Module
A - Sensor Input Module (2 Universal Inputs)
B - Dual Channel Analog (4-20 mA) Input
C - Four Channel Analog (4-20 mA) Input
D - Six Channel Analog (4-20 mA) Input
E - Dual Channel Analog (4-20 mA) Input + Four Channel Analog (4-20 mA) Output
F - Dual Channel Analog (4-20 mA) Output
G - Four Channel Analog (4-20 mA) Output
H - Dual Channel Corrosion
N - No Input/Output Module
A - Sensor Input Module (2 Universal Inputs)
B - Dual Channel Analog (4-20 mA) Input
C - Four Channel Analog (4-20 mA) Input
D - Six Channel Analog (4-20 mA) Input
E - Dual Channel Analog (4-20 mA) Input + Four Channel Analog (4-20 mA) Output
F - Dual Channel Analog (4-20 mA) Output
G - Four Channel Analog (4-20 mA) Output
H - Dual Channel Corrosion
WiFi
N - No WiFi (Ethernet Only)
W - WiFi Only (No Ethernet)
D - Dual Connection (Ethernet and WiFi)
Communication Protocols
N - No Modbus or BACnet
M - Modbus TCP and BACnet
Auxiliary Power
N - No Auxiliary Power
L - 12 VDC Auxiliary Power Board
H - 24 VDC Auxiliary Power Board
Sensor Mounting
-N - No Flow Switch, No Mounting Hardware, No Sensors
-S - No Flow Switch, Submersion Sensors, 20 Foot Cables
-I - No Flow Switch, Inline Sensors, 20 Foot Cables
-L - Loose Flow Switch Manifold, 20 Foot Cables, Low Pressure
-P - Flow Switch Manifold On Panel, 3 Foot Cables, Low Pressure
-F - Loose Flow Switch Manifold, 4 Foot Cables, High Pressure*
-H - Flow Switch Manifold On Panel, 4 Foot Cables, High Pressure*
* If a high pressure manifold is selected, only high pressure and makeup sensors are available.
Sensor - Select up to Five
Please arrange in alphabetical order.
N - No Sensor
A - Graphite Contacting Conductivity
B - 316SS Contacting Conductivity
C - Electrodeless Conductivity
D - High Pressure Contacting Conductivity
E - Graphite Contacting Conductivity for Makeup Water with Threaded Mounting Adapter
F - Flat Surface WEL pH, No ATC
G - High Pressure pH, No ATC
H - Rod Style WEL ORP
I - Flat Surface WEL ORP
J - High Pressure ORP
K - Free Chlorine** (20 ppm, extended pH range, membrane-style)
L - Chlorine Dioxide** (0-20 ppm, membrane-style)
M - Little Dipper 2 PTSA**
O - One Corrosion Sensor** (electrode purchased separately)
P - Pyxis PTSA**
Q - Flat Surface WEL pH, with Pt1000 ATC
R - Two Corrosion Sensors** (electrodes purchased separately)
S - Disinfection** (membrane-style, electrode purchased separately)
T - Pyxis Tagged Polymer**
U - Pyxis PTSA + Tagged Polymer**
V - Flat Surface WEL pH, 4-20 mA
W - Rod Style WEL ORP, 4-20 mA
X - Flat Surface WEL ORP, 4-20 mA
Z - Pyxis ST-001 Tee (No Sensor)
N - No Sensor
A - Graphite Contacting Conductivity
B - 316SS Contacting Conductivity
C - Electrodeless Conductivity
D - High Pressure Contacting Conductivity
E - Graphite Contacting Conductivity for Makeup Water with Threaded Mounting Adapter
F - Flat Surface WEL pH, No ATC
G - High Pressure pH, No ATC
H - Rod Style WEL ORP
I - Flat Surface WEL ORP
J - High Pressure ORP
K - Free Chlorine** (20 ppm, extended pH range, membrane-style)
L - Chlorine Dioxide** (0-20 ppm, membrane-style)
M - Little Dipper 2 PTSA**
O - One Corrosion Sensor** (electrode purchased separately)
P - Pyxis PTSA**
Q - Flat Surface WEL pH, with Pt1000 ATC
R - Two Corrosion Sensors** (electrodes purchased separately)
S - Disinfection** (membrane-style, electrode purchased separately)
T - Pyxis Tagged Polymer**
U - Pyxis PTSA + Tagged Polymer**
V - Flat Surface WEL pH, 4-20 mA
W - Rod Style WEL ORP, 4-20 mA
X - Flat Surface WEL ORP, 4-20 mA
Z - Pyxis ST-001 Tee (No Sensor)
N - No Sensor
A - Graphite Contacting Conductivity
B - 316SS Contacting Conductivity
C - Electrodeless Conductivity
D - High Pressure Contacting Conductivity
E - Graphite Contacting Conductivity for Makeup Water with Threaded Mounting Adapter
F - Flat Surface WEL pH, No ATC
G - High Pressure pH, No ATC
H - Rod Style WEL ORP
I - Flat Surface WEL ORP
J - High Pressure ORP
K - Free Chlorine** (20 ppm, extended pH range, membrane-style)
L - Chlorine Dioxide** (0-20 ppm, membrane-style)
M - Little Dipper 2 PTSA**
O - One Corrosion Sensor** (electrode purchased separately)
P - Pyxis PTSA**
Q - Flat Surface WEL pH, with Pt1000 ATC
R - Two Corrosion Sensors** (electrodes purchased separately)
S - Disinfection** (membrane-style, electrode purchased separately)
T - Pyxis Tagged Polymer**
U - Pyxis PTSA + Tagged Polymer**
V - Flat Surface WEL pH, 4-20 mA
W - Rod Style WEL ORP, 4-20 mA
X - Flat Surface WEL ORP, 4-20 mA
Z - Pyxis ST-001 Tee (No Sensor)
N - No Sensor
A - Graphite Contacting Conductivity
B - 316SS Contacting Conductivity
C - Electrodeless Conductivity
D - High Pressure Contacting Conductivity
E - Graphite Contacting Conductivity for Makeup Water with Threaded Mounting Adapter
F - Flat Surface WEL pH, No ATC
G - High Pressure pH, No ATC
H - Rod Style WEL ORP
I - Flat Surface WEL ORP
J - High Pressure ORP
K - Free Chlorine** (20 ppm, extended pH range, membrane-style)
L - Chlorine Dioxide** (0-20 ppm, membrane-style)
M - Little Dipper 2 PTSA**
O - One Corrosion Sensor** (electrode purchased separately)
P - Pyxis PTSA**
Q - Flat Surface WEL pH, with Pt1000 ATC
R - Two Corrosion Sensors** (electrodes purchased separately)
S - Disinfection** (membrane-style, electrode purchased separately)
T - Pyxis Tagged Polymer**
U - Pyxis PTSA + Tagged Polymer**
V - Flat Surface WEL pH, 4-20 mA
W - Rod Style WEL ORP, 4-20 mA
X - Flat Surface WEL ORP, 4-20 mA
Z - Pyxis ST-001 Tee (No Sensor)
N - No Sensor
A - Graphite Contacting Conductivity
B - 316SS Contacting Conductivity
C - Electrodeless Conductivity
D - High Pressure Contacting Conductivity
E - Graphite Contacting Conductivity for Makeup Water with Threaded Mounting Adapter
F - Flat Surface WEL pH, No ATC
G - High Pressure pH, No ATC
H - Rod Style WEL ORP
I - Flat Surface WEL ORP
J - High Pressure ORP
K - Free Chlorine** (20 ppm, extended pH range, membrane-style)
L - Chlorine Dioxide** (0-20 ppm, membrane-style)
M - Little Dipper 2 PTSA**
O - One Corrosion Sensor** (electrode purchased separately)
P - Pyxis PTSA**
Q - Flat Surface WEL pH, with Pt1000 ATC
R - Two Corrosion Sensors** (electrodes purchased separately)
S - Disinfection** (membrane-style, electrode purchased separately)
T - Pyxis Tagged Polymer**
U - Pyxis PTSA + Tagged Polymer**
V - Flat Surface WEL pH, 4-20 mA
W - Rod Style WEL ORP, 4-20 mA
X - Flat Surface WEL ORP, 4-20 mA
Z - Pyxis ST-001 Tee (No Sensor)
** Little Dipper, Pyxis, Chlorine, ClO2, Disinfection, Corrosion sensors NOT available with Submersion mounting.
