Advertisement
List of Parameters
/ DISPLAY PARAMETERS
/1 Value to show
0 = compressors states (controller 1 and controller 2)
1 = suction pressure 1 (bar)
2 = saturation temperature from suction pressure 1 (°C)
3 = suction pressure 2 (bar)
4 = saturation temperature from suction pressure 2 (°C)
CONTROLLER C1 (LT)
P SET-POINT PARAMETERS (C1)
P0 Suction setpoint
P1 Suction band
P3 Suction recovery min
P4 Suction shift (0=disabled, 1=enabled)
P5 Suction shift max
P8 Discharge recovery max
P9 Discharge recovery step
t TIME PARAMETERS (C1)
t0 Integration time
t1 Suction request on time
t2 Suction request off time
t3 Compressor min on time
t4 Compressor min off time
t5 Compressor cycle rate
(0=number of switching unrestricted)
A ALARM-PARAMETERS (C1)
A0 Alarm delay LP
A1 Alam delay HP
A2 Suction warning min
A3 Suction warning max
A4 Warning delay suction min
A5 Warning delay suction max
A6 Maximum discharge end temperature
A7 Discharge end temp. alarm delay
A8 Alarm delay serial alarm
A9 Compressor service interval
u STEP ENABLE PARAMETERS (C1)
u0 Comp service interval reset
0 = do nothing
1 = reset operating time compr. 1
2 = reset operating time compr. 2
u1 Compr.1 enable (0=disable, 1=enable)
u2 Compr.2 enable (0=disable, 1=enable)
u3 Compr.3 enable (0=disable, 1=enable)
c APPLICATION PARAMETERS (C1)
c1 Number of compressors
c3 Control mode
(0 = P mode, 1 = PI mode, 2 = dead band mode, 3 = binary mode)
c4 Compressor 1 control mode
0 = in standard control loop,
1 = act as base load compressor,
c5 Compressor rotation
0 = FILO logic (First In, Last Out) 1 = FIFO logic (First In, First Out)
c6 Sensor fail (number of compressors in
case of sensor failure)
h0 Discharge pressure
0 = not available; 1 = available
r SENSOR PARAMETERS (C1)
r0 Suction sensor 1 0%
r1 Suction sensor 1 100%
r2 Suction sensor 1 offset
r3 Refrigerant
0 = R 22
3 = R 404A
6 = R 124
1 = R 134a
4 = R 407C
7 = R 744
2 = R 507
5 = R 410A
* Unit on ECD-000 data entry. EMS allows data entry in sec.
** Unit on ECD-000 data entry. EMS allows data entry in 1000hr
*** Unit on ECD-000 data entry. EMS allows data entry in hr
EC3-812_65118_EN_R00.doc
Replacement for R00
EC3-812 Dual Circuit Rack Controller
Operating Instructions
Min Max
Unit
Def. Custom
0
4
-
0
-1
50.0
bar
3.0
0.0
50.0
bar
2.0
-9.9
50
bar
-9.9
0
1
-
0
0.0
3.0
bar
3.0
-9.9 50.0
bar
50.0
0.0
5.0
bar
1.0
300
990 10 sec*
600
0
990 10 sec*
30
0
990 10 sec*
30
0
990 10 sec*
180
0
990 10 sec*
420
0
199
1/hr
199
0
990 10 sec*
0
0
990 10 sec*
0
-1.0 50.0
bar
1.0
-1.0 50.0
bar
6.0
0
990 10 sec*
0
0
990 10 sec*
0
50
150
°C
120
0
990 10 sec*
30
0
990 10 sec*
0
0
990
10 000
0
hr**
0
5
-
0
3 = reset operating time compr. 3
5 = reset operating time all
compressors
0
1
flag
1
0
1
flag
1
0
1
flag
1
1
3
-
3
0
3
-
2
0
2
-
0
2 = act as modulating capacity;
0...10V for inverter command
0
1
flag
0
0
3
-
0
0
1
flag
1
-1.0 50.0
bar
-0.8
-1.0 50.0
bar
7
-1.0
1.0
bar
0.0
0
7
-
3
F MODULATING PARAM. (C2)
F0 Compressor INV setpoint
valid only for dead band control (c3 = 2),
not valid for P (c3 = 0) and PI control (c3 = 1);
with P/PI control the modulating set-point is the P0 parameter
F1 Compressor INV band
valid only for dead band control (c3 = 2),
not valid for P (c3 = 0) and PI control (c3 = 1);
with P/PI control the modulating pressure band is the P1 parameter
F2 Compressor INV min speed
F3 Compressor INV max speed
CONTROLLER C2 (MT)
P SET-POINT PARAMETERS (C2)
P0 Suction setpoint
P1 Suction band
P3 Suction recovery min
P4 Suction shift (0=disabled, 1=enabled)
P5 Suction shift max
P8 Discharge recovery max
P9 Discharge recovery step
t TIME PARAMETERS (C2)
t0 Integration time
t1 Suction request on time
t2 Suction request off time
t3 Compressor min on time
t4 Compressor min off time
t5 Compressor cycle rate
A ALARM-PARAMETERS (C2)
A0 Alarm delay LP
A1 Alarm delay HP
A2 Suction warning min
A3 Suction warning max
A4 Warning delay suction min
A5 Warning delay suction max
A8 Alarm delay serial alarm
A9 Compressor service interval
u STEP ENABLE PARAMETERS (C2)
u0 Comp service interval reset
u1 Compr.1 enable (0=disable, 1=enable)
u2 Compr.2 enable (0=disable, 1=enable)
u3 Compr.3 enable (0=disable, 1=enable)
u4 Compr.4 enable (0=disable, 1=enable)
c APPLICATION PARAMETERS (C2)
c1 Number of compressors
c3 Control mode
c4 Compressor 1 control mode
c5 Compressor rotation
c6 Sensor fail
h0 Discharge pressure
r SENSOR PARAMETERS (C2)
r0 Suction sensor 1 0%
r1 Suction sensor 1 100%
r2 Suction sensor 1 offset
r3 Refrigerant
F MODULATING PARAMETERS (C2)
F0 Compressor INV setpoint
F1 Compressor INV band
F2 Compressor INV min speed
F3 Compressor INV max speed
H OTHER PARAMETERS
H2 ECD Display access
0 = all disabled (Caution, access to
controller only via TCP/IP network
possible)
H3 IR access code
H5 Password
Note: Concerning the indicated parameters, it is recommended to check, before
installing, if the factory value is suitable for the required use
3 / 5
GB
Min Max
Unit
Def. Custom
-1.0 50.0
bar
3.0
0.0
50.0
bar
2.0
0.0 100.0
%
0.0
0.0 100.0
%
100
-1
50.0
bar
3.0
0.0
50.0
bar
2.0
-9.9
50
bar
-9.9
0
1
-
0
0.0
3.0
bar
3.0
-9.9 50.0
bar
50.0
0.0
5.0
bar
1.0
300
990 10 sec*
600
0
990 10 sec*
30
0
990 10 sec*
30
0
990 10 sec*
180
0
990 10 sec*
420
0
199
1/hr
199
0
990 10 sec*
0
0
990 10 sec*
0
-1.0 50.0
bar
1.0
-1.0 50.0
bar
6.0
0
990 10 sec*
0
0
990 10 sec*
0
0
990 10 sec*
0
0
990
10 000 hr**
0
0
5
-
0
0
1
flag
1
0
1
flag
1
0
1
flag
1
0
1
flag
1
1
4
-
4
0
3
-
2
0
2
-
0
0
1
flag
0
0
3
-
0
0
1
flag
1
-1.0 50.0
bar
-0.8
-1.0 50.0
bar
7
-1.0
1.0
bar
0.0
0
5
-
4
-1.0 50.0
bar
3.0
0.0
50.0
bar
2.0
0.0 100.0
%
0.0
0.0 100.0
%
100
0
3
-
3
1= Keyboard enabled
2= IR remote control enabled
3= Keyboard and IR control enabled
0
199
-
0
0
199
-
12
PCN: 864916
18.03.2009
Advertisement
