EC2-311_65081_EN_R08.doc
Replacement for Rev.:06
3 / 4
PCN: 864 911 20.03.2008
EC2-311 Display Case and Coldroom Controller
Operating Instructions
GB
List Of Parameters
/ DISPLAY
PARAMETERS
Min Max
Unit Def. Custom
/1 Value to show
0
9
-
0
0 = Thermostat control temperature with Temp. alignment °C
1 = Air-in temperature °C
2 = Air-out temperature °C
3 = Alarm temperature °C
4 = Defrost termination temperature °C
5 = Coil-in temperature °C
6 = Coil-out temperature °C
7 = Calculated superheat °K
8 = Valve opening in %
9 = Displays defrost status
/2 Alarm suppression 0= off, 1 = on
0
1
-
0
/5 Temperature Unit
0 = °C, 1 = °F
0
1
-
0
/6 Decimal point
0 = yes, 1 = no
0
1
-
0
/7 Display during defrost
0
2
-
0
0 = dF (= defrost mode); 1 = dF + defrost termination temp.
2 = dF + control temperature
/C Temperature alignment for /1=0
- 20
20
K
0.0
A ALARM-PARAMETERS
A0 Mean factor alarm temperature
0
100
%
100
A1 Low temp alarm delay
0
180
min
5
A2 High temp alarm delay
0
180
min
5
A3 Alarm delay after defrost
0
180
min
10
AH
High temp alarm limit
AL
70
°C / K
40
AL Low temp alarm limit
-55 AH °C / K -50
At Alarm limit type
0
1
-
0
0=absolute temperatures °C; 1= relative temperatures K to setpoint
r THERMOSTAT-PARAMETERS
r1 Min setpoint
-50
r2
°C
- 50
r2 Setpoint max
r1 + 60 °C
40
r3 Day/night control
0 = off, 1 = on
0
1
-
1
r4 Thermostat mode
0
4
-
1
0 = off, no thermostat function, continues cooling air in sensor
monitoring off, no temp. alarms generated
1 = cooling, deadband control
cut in = set-point + difference
cut out = set-point
2 = cooling, modulating thermostat
cut in = set-point
cut out = set-point – difference /2
3 = heating, deadband control
cut in = set-point – difference
cut out = set-point
4 = on, external control using nvi Valve via SNMP. Air in and air
out sensor monitoring off. Temp. alarms will be generated
r6 Setpoint night
r1 r2
°C
4.0
r7 Differential night
0.1 20.0
K
2.0
r8 Mean factor, day operation
0
100
%
100
r9 Mean factor, night operation
0
100
%
50
rd Differential day
0.1 20.0
K
2.0
St Setpoint day
r1 r2
°C
2.0
d DEFROST
PARAMETERS
d0 Defrost mode
0
2
-
1
0 = natural defrost, defrost heater not activated
pulsed defrost not possible
1 = forced defrost, defrost heater activated, pulsed
defrost possible
2 = forced defrost, defrost heater activated, pulsed defrost possible,
defrost termination using nviStartUp via SNMP
d1 Termination by:
0
3
-
0
0 = termination by temperature,
termination by time will generate an alarm
1 = termination by time,
termination by temperature will generate an alarm
2 = first, what ever comes first time or temperature, no alarm
3 = last, by time and temperature, no alarm
d2 Defrost termination sensor
0
1
-
1
0 = Dedicated defrost sensor must be installed
1 = Air-out sensor used for defrost termination
Min
Max
Unit Def. Custom
d3 Pulsed defrost
0
1
-
0
0 = off, no pulsed defrost, heaters switched off at defrost termin-
ation temperature dt or max. time dP whatever is selected
1 = on, pulsed defrost, dd and dH in use, heaters are switched off at
dH and switched on again at dH – dd
d4 Defrost at startup
0 = no, 1 = yes
0
1
-
0
d5 Delay power up defrost
0
180
min
0
d6 Pump down delay
0
180
sec
0
Compressor will run during pump down delay while valve is closed
d7 Drain delay
0
15
min
2
d8 Injection delay
0
180
sec
0
Valve is open during injection delay while compressor is not running
d9 Demand defrost mode
0 = off, 1 = on,
2 = on together with timed defrost
0 2 - 0
dd Pulsed defrost differential
1
20
K
2
dH Pulsed defrost setpoint
-40
dt
°C
5
dt Defrost termination temperature
-40
90
°C
8
dP Max defrost duration
0
180
min
30
dI Defrost interval
0
192
h
8
du Start up delay after synch
0
180
min
30
F FAN-PARAMETERS
F1 Fan startup by:
0 = on
0
4
-
0
1 = delayed by time Fd, error on temperature
2 = by temperature Ft, error on time
3 = first, whatever comes first time or temperature, no alarm
4= last, time and temperature must come, no alarm
F2 During no cooling
0
3
-
0
0 = on; 1 = off; 2 = delayed by F4; 3 = off, when door open
F3 During defrost
0 = on, 1 = off
0
1
-
0
F4 Stop delay time
0
30
min
0
F5 During cleaning
0 = off, 1 = on
0
1
-
0
Fd Fan delay after defrost
0
30
min
0
Ft On temp after defrost
-40
40
°C
0
C COMPRESSOR-PARAMETERS
C0 Delay first start after power up
0
15
min
0
C1 Cycle time
0
15
min
0
C2 Min stop time it
0
15
min
0
C3 Min run time
0
15
min
0
u SUPERHEAT PARAMETERS
u0 Refrigerant 0 = R22, 1 = R134a,
0
7
-
3
2 = R507; 3 = R404A; 4 = R407C; 5 = R410A; 6 = R124; 7 = R744
u1 Correction glide / dp
Glide = positive values
Pressure drop = negative values
-20.0 20.0
K
0.0
u2 MOP control
0 = MOP off, 1 = MOP on
0 1 - 0
u3 MOP temperature
-40
40
°C
0
u4 Superheat mode
0 = off
1 = fixed superheat
2 = adaptive superheat
0 2 - 1
u5 Superheat init setpoint
u6
u7
K
6
u6 Superheat setpoint min
3
u7
K
3
u7 Superheat setpoint max
u6
20
K
15
uu Start
opening
25
75 % 30
H OTHER PARAMETERS
H2 Display access
0
4
-
3
0 = all disabled (Caution, access to controller only via LON
network possible)
1 = Keyboard enabled
2 = IR remote control enabled
3 = Keyboard and IR remote control; Temporary data display and
manual defrost enabled.
4 = Keyboard and IR remote control; Temporary data display
disabled. Control setpoint with
SEL
key and manual defrost
enabled.
H3 IR access code
0
199
-
0
H5 Password 0
199
-
12
