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Pressing the
ENTER
button will change the flashing digit from 1’s digit
to the 100’s digit.
Press and hold
UP
button and
ENTER
button for 5 seconds will save the
set point. The digits will stop blinking.
GAIN or DERI MODE
Press and hold
UP
button and
ENTER
button for 5 seconds to enable the
proportional gain set point to be changed. The set point is displayed and
the 100’s digit will blink.
Pressing the
UP
button will increase the set point by 100 steps per degree.
Pressing the
DOWN
button will decrease the set point by 100 steps per
degree.
Pressing the
ENTER
button will change the flashing digit from 100’s
digit to the 10’s digit.
Pressing the
UP
button will increase the set point by 10 steps per degree.
Pressing the
DOWN
button will decrease the set point by 10 steps per
degree.
Pressing the
ENTER
button will change the flashing digit from 10’s digit
to the 1’s digit.
Pressing the
UP
button will increase the set point by 1 step per degree.
Pressing the
DOWN
button will decrease the set point by 1 step per
degree.
Pressing the
ENTER
button will change the flashing digit from 1’s digit
to the 100’s digit.
Press and hold
UP
button and
ENTER
button together for 5 seconds to
save the set point. The digits will stop blinking.
INTG MODE
Press and hold
UP
button and
ENTER
button for 5 seconds to enable the
integral set point to be changed. The set point is displayed and the 100’s
digit will blink.
Pressing the
UP
button will increase the set point by 100 seconds.
Pressing the
DOWN
button will decrease the set point by 100 seconds.
Pressing the
ENTER
button will change the flashing digit from 100’s
digit to the 10’s digit.
Pressing the
UP
button will increase the set point by 10 seconds.
Pressing the
DOWN
button will decrease the set point by 10 seconds.
Pressing the
ENTER
button will change the flashing digit from 10’s digit
to the 1’s digit.
Pressing the
UP
button will increase the set point by 1 second.
Pressing the
DOWN
button will decrease the set point by 1 second.
Pressing the
ENTER
button will change the flashing digit from 1’s digit
to the 100’s digit.
Press and hold
UP
button and
ENTER
button together for 5 seconds to
save the set point. The digits will stop blinking.
SELECTING REFRIGERANTS
If display reads one of the refrigerants, press and hold
UP
button and
ENTER
button simultaneously for 5 seconds to enable the controller
to change to another type of refrigerant. All 4 digits will start to blink.
Pressing the
UP
button or the
DOWN
button will change the display to
other refrigerants. When the display shows the desired refrigerant, press
and hold
UP
button and
ENTER
button for together 5 seconds. The con-
troller will save and use that refrigerant’s table for saturated temperature.
The digits will stop blinking.
CHANGING VALVE TYPES
If display reads
LARG
,
SMAL
, or
MEDM
, pressing and hold
UP
button
and
ENTER
button for 5 seconds will enable the controller to change to
the other type of valves. All 4 digits will start to blink. Pressing either the
UP
button or the
DOWN
button will change the display between the dif-
ferent valve types. Press and hold
UP
button and
ENTER
button together
for 5 seconds to save the selection. The digits will stop blinking.
Evaporator
DI1
1-
1S
1+
R = Red
G = Green
W = White
B = Black
TS2 - Temp. Sensor 2
TS1 - Temp. Sensor 1
PB1 PB2
8.8.
Temperature
Sensor
Temperature
Sensor
Subcooled
Liquid Outlet
ESX, SER,
SEI, SEH
TS2
TS1
B
W
G
R
1+ 1S
1-
DI1
24
VA
C
24 VAC
40 VA
Transformer
Pumpdown
Relay
(optional)
Pressure
Transducer
*
gray wire for ESX only
**
supplied
† ESX
R = Orange
G = Yellow
W = Red
B = Black
†
LINE
Mov**
Mov**
*
2.5”
1.98”
1.37”
8.25”
5.0”
.25” typical
.25”
Figure 3
Board Dimensional Drawing
Figure 4
Subcooler Controller Wiring Schematic
