IPS Controllers M820 User Manual

c. Run the sensor cable into the controller through the strain
relief marked “temp” and connect to the terminal block on
the front circuit board marked “Temp”.
5. Electrical Connecons (Should be completed by a licensed
Electrician)
a. Verify that the M820 controller power is OFF.
b. Connect the pH feeder connecon to the appropriate
peristalc pump or other device.
c. Connect the ORP feeder connecon to the appropriate
peristalc pump or other device. Note: There is another
connecon port for ORP2.
d. Method 1 (recommended): Connect the AC power cord to
the load-side of the circulaon pump circuit. This will only
provide power to the M820 when the circulaon pump is
running.
e. Method 2: Connect the AC power cord to a GFCI
power source, or separately purchased IPS Controllers
PressureSwitch (part # PS100).
f. Connect the pH sensor connector to the corresponding
lower port (labeled pH) at the right edge of the controller.
g. Connect the ORP sensor connector to the corresponding
upper port (labeled ORP) at the right edge of the controller.
6. Chemical injecon must be inserted in the return line, aer
(downstream) any equipment.
7. Oponal connecon to a Salt Chlorine Generator (SCG)
The M820 controller is capable of controlling (turning on/o) a
SCG depending on the current ORP reading. This acon can be
accomplished using a 120V or 240V relay, or by connecng the SCG
to the “normally open” dry contact relay (ORP1) included with the
M820 controller. When using the ORP1 Dry Contact Relay, the black
plasc jumper idened as HD2 needs to be reposioned from the
lower posion (see Figure 4) to the open pegs at the top.
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M820 pH/Dual ORP Controller Owner’s Manual

IPS Controllers M820 Specifications

General

Brand	IPS Controllers
Model	M820
Category	Controller
Language	English