
114
•
Program CIRC C — Press CARB A button —
Display shows
-102
= Carb A button energizes/
de-energizes pump C
•
Program CIRC D — Press CARB B button —
Display shows
-012
= Carb B button energizes/
de-energizes pump D
Press and hold PGM switch for 3 seconds to save
settings and exit program mode.
PROGRAM MODE 3
Set water/glycol temperature
•
Press PGM button for 3 seconds — Display shows
0001
.
•
Press PGM button twice in less than 3 seconds to
enter program mode 3 — Display shows
0003
•
Wait 3 seconds, display shows
1273
.
-
1 = thermistor controlled temperature
-
27 = 27°F factory default temperature setpoint
-
3 = program mode 3
•
Decrease setpoint — Press CIRC B button
•
Increase setpoint — Press CIRC A button
•
Differential is 2°F above the set point.
EXAMPLE: At 27°F (set point) the compressor is
off but at 29°F (set point +2°F) the compressor is
on.
•
Press and hold PGM switch for 3 seconds to save
settings and exit program mode.
STH13_Tech.book Page 114 Wednesday, September 15, 2010 3:20 PM