Digital Controller Parameters & Operation Guide
12
Installation and Operation Manual
ADA Undercounters - Laboratory Refrigerators & Freezers
Programming procedure
During the normal operation the controller shows the cabinet temperature
To activate the defrost manually press and hold
S
for 4 seconds
Yellow
LED
]
ON - compressor is running
Yellow
LED
]
Flashes – the modification of the “Set Point” in progress, compressor protection “
C0
” or “
C2
”
Yellow
LED
ON – defrost in progress
“
Pr I
” error message, sensor damaged, disconnected or wrong kind (
P0
)
Temperature Set Point
Press “
set
” button once,
]
will flash
Press
T
or
S
to set the desired value
Press “
set
” button to confirm
Parameters
Min.
Max.
unit
def
SP
r1 r2 °C 0
Temperature set point
CA I
-25 25 °C 0
Sensor calibration
P0
0 1 1
Kind of probe, 0=PTC 1=NTC
P1
0 1 1
Decimal point
P2
0 1 0
Unit of measure temp. 0=
°
C 1=
°
F
r 0
0.1 15
°C/°F
2
Differential
r 1
-99 r
2
°C/°F
-50
Minimum set point
r 2
r 1
99
°C/°F
50
Maximum set point
C 0
0 240
min 0
Delay on power up
C 2
0 240
min 3
Compressor short cycle
protection
d 0
0 99
Hour
8
Defrost interval (0 = defrost
disabled )
d 3
0 99 Min 30
Defrost duration (0=defrost
disabled)
d 4
0 1 0
Defrost on power up (1 = Yes )
d 5
0 99
min 0
Defrost delay if d 4 = 1
d 6
0 1 1
Override display during defrost
1 = Yes 0=room temperature
1
2
3
4
5
10 11
Power supply
240 VAC
Active to: compressor or
solenoid valve, relay
or contactor coil
Control circuit Active IN
Temperature sensor
NTC or PTC
max. 10
A
Every Control Group
EVK201
All parameters
Press
T
And
S
for 4 seconds
“
PA
” will be displayed
Press “
set
”
Press
T
Or
S
to select password
“-19”
Press
“set”
“
PA
” will be displayed
Press
T
And
S
for 4 seconds
“SP”
will be displayed (
first parameter on the list)
Press
T
Or
S
to select the parameter
To modify selected parameter
Press “
set
”
Press
T
Or
S
to set the desired value
Press “
set
” to confirm
To confirm all changes
Press
T
And
S
for 4 seconds
or leave the controller untouched for approx.
1 min.
Switch the power supply
“OFF/ON”
after the
modification of the parameters
Digital Controller Parameters & Operation Guide
