AEC FSS Series 1.5- 10 HP Fountain Solution Systems User Manual

Page 58

FSS Series Fountain Solution Systems

Page 57

IAE-600

Stage 1: Freeze Protection

Step Two (2)

Press the

SET

Set

key again to access the Stage 1 set point.

The screen displays the current set point and the

annunciator blinks on and off to indicate that the control is in
Set Point mode.

Then:

Press the

Up Arrow

key to increase the set point or the

Down Arrow

key to decrease the set point for the

evaporator freeze protection temperature you selected.
At 50ºF (10ºC) leaving water temperature, the setting should be
42ºF (6ºC).

Step Three (3)

Press the

SET

Set

key again to access Stage 1 differential.

The screen displays the current differential and the

DIF 1

enunciator blinks on and off to indicate that the control is in
Differential mode.

Then:

Press the

Up Arrow

key to increase the differential or the

Down Arrow

key to decrease the differential for the

setting you want.
The setting should be 12ºF (6ºC).

Step Four (4)

Press the

Set

key again to access Stage 1 cooling or

heating mode.

The screen displays the current mode;

for cooling or

for heating.

SET