IPS Controllers M920 - Modes and Adjustments

M920 & M920W pH/Dual ORP Controller Owner’s Manual
18
g. While sll in the pH standby mode, press the pH Cal pushbuon
to calibrate the reading to the value observed through the
manual tesng of the water. Note:Alwayscalibrateusingwater
fromthesampleportoftheowcell.
h. Press the Mode pushbuon momentarily to place the controller
in ORP1 standby mode. The yellow ORP1 standby LED will
illuminate. Select the desired ORP1 set level and dose me
(connuous or med). Please call us at 877-693-6903 for
assistance with inial sengs.
i. Press the Mode pushbuon momentarily unl the red Auto LED
is illuminated. Note: If pH level in the pool is at desired set level
andchlorine/brominelevelisatdesiredPPMlevelinthepool,
then the ORP set level should be the same as the current ORP
readingwheninAutoMode.
2. Shutdown
Note:EachmetheModepushbuonismomentarilypressed,the
modewillcyclefromAutotopHtoORP1toORP2,Temp,andthen
return to Auto mode.
a. Press the Mode pushbuon momentarily to place the controller
in pH standby mode. The green pH standby LED will illuminate,
and both the pH and ORP digital displays will show dashes.
b. Press and hold the Mode pushbuon for 2 seconds unl both
the pH and ORP digital displays read OFF.
c. Release the Mode pushbuon. The M920 controller will turn
o, and the digital displays and funcon LEDs will go blank. The
green Flow LED will be illuminated if water is owing through
the ow cell.
C. Modes and Adjustments
1. Auto
a. This is the normal operaonal mode of the M920 controller.
b. The controller allows full operaon and monitoring of both pH
and ORP levels.
c. No funcon pushbuons are operaonal in this mode.