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Initial Startup
22 311511G
Digital Temperature Controllers
The proportioner has two temperature controllers that
automatically manage the temperature for the primary
heater and the hose heat.
Controller Screens
Push the left side scroll button to cycle through the
following screens.
To change or enter the set point, proceed as follows:
1. Ensure red main disconnect switch is ON.
Temperature Controllers will illuminate.
2. Press and release Scroll button (A1). Display will
read “SP1”. Press and release Up (A2) or Down
(A3) button to display set point.
3. Press and hold Up (A2) or Down (A3) button to
increase or decrease value.
4. After set point is entered, press and release Up (A2)
and Down (A3) buttons together to display actual
temperature. Actual temperature will also display
after a time-out period.
5. To start heaters, turn green control power switch
from ON to START. Light within switch will
illuminate.
NOTICE
Do not turn power on to the hose heat until after all
hose power connectors are connected.
NOTICE
To prevent damage to primary heaters and hoses, do
not turn on heat controller switches next to tempera-
ture controllers until purging procedures are complete
and heater and hoses are filled with chemical.
Home
“XXXX”
Current temperature
reading.
“_SP1”
Set Point 1. Use arrow
keys to enter set point.
“_SP2”
Set Point 2. Only shows
on Hose Controller.
High temperature devia-
tion alarm. Leave set at
30°F (17°C).
“Hxx.x”
This screen indicates
power output in percent.
“UNIT”
Use the arrow keys to
select °F or °C.
Do not change SP2; see Over Temperature Alarm
section.
Temperature controller normally displays actual
temperature. When illuminated, red “01” display at
upper left indicates controller is asking for heat. The
“01” disappears when liquid in heater or hose
reaches set point temperature. The “01” cycles on
and off to indicate temperature maintenance.
NOTICE
Controllers are factory programmed and are not field
programmable. If you encounter problems with a con-
troller, order a replacement. Do not change any pro-
grammed parameters. Do not substitute with
controller from alternate supplier; its use may damage
equipment.The heater and hose controllers are not
interchangeable.
A1
A2 A3
Heat Output
Alarm Normal
Hose Only