EC3-932_65149_EN_R02.doc Replacement for R01
3 / 4
PCN: 865 874 22.09.2009
EC3-932 Rack and Condenser Controller and ECD-000 Display Unit
Operating Instructions
GB
List Of Parameters
/ DISPLAY
PARAMETERS
Min Max
Unit Def. Custom
/1 Value to show
0
4
-
0
0 = Compressors and fans states (controller 1 and controller 2)
1 = Suction pressure (bar)
2 = Saturation temperature (°C) calculated from suction pressure
3 = Condensing pressure (bar)
4 = Saturation temperature (°C) calculated from discharge pressure
5 = Digital Scroll capacity (%); 6 = Variable fan speed capacity %
Controller C1 (Rack Controller)
P SET-POINT PARAMETERS (C1)
P0
Suction pressure set point
-1
50
bar
3.0
P1
Suction band
0
50
bar
2.0
P3
Fast recovery from low pressure
-9.9
50
bar
-9.9
P4
Suction shift (0=disabled, 1=enabled)
0
1
-
0
P5
Suction shift max
0
3.0
bar
3.0
P8 High discharge pressure recovery
-9.9
50
bar
50.0
P9 Discharge recovery step
0
5.0
bar
1.0
t TIME PARAMETERS (C1)
t0 Integration time
30
99 10 sec* 60
t1 Time delay before adding capacity
0
99 10 sec*
6
t2 Time delay before removing capacity
0
99 10 sec* 0.2
t3 Compressor min on time
0
99 10 sec*
6
t4 Compressor min off time
0
99 10 sec*
6
t5 Maximum compressor switching
(0=number of switching unrestricted)
0 199 1/hr 0
A ALARM-PARAMETERS (C1)
A0 Alarm delay LP
0
99 10 sec*
0
A1 Alarm delay HP
0
99 10 sec*
0
A2 Suction alarm min. limit
-1.0
50
bar
1.0
A3 Suction alarm max. limit
-1.0
50
bar
6.0
A4 Alarm delay suction min. limit
0
99 10 sec*
0
A5 Alarm delay suction max. limit
0
99 10 sec*
0
A6 Maximum discharge temperature
50
150
°C
130
A7 Maximum discharge temperaturedelay
0
99 10 sec*
3
A8 Alarm delay serial alarm comp.
0
99 10 sec*
0
A9 Compressor service interval
0
99
10,000hr**
0
u STEP ENABLE PARAMETERS (C1)
u0 Compressor service interval reset
0
5
-
0
0 = do nothing
1 = reset operating time compr. 1
2 = reset operating time compr. 2
3 = reset operating time compr. 3
4 = reset operating time compr. 4
5 = reset op. time all compressors
u1 Compressor 1: 0=disable, 1=enable
0
1
flag
1
u2 Compressor 2 enable ( - " - )
0
1
flag
1
u3 Compressor 3 enable ( - " - )
0
1
flag
1
u4 Compressor 4 enable ( - " - )
0
1
flag
1
c APPLICATION PARAMETERS (C1)
c1 Number of compressors
1
4
-
4
c3 Compr. control mode (0 = P mode,
0 3 -
2
1 = PI mode,
2 = dead band mode
3 = binary mode)
c4 Compressor 1 control mode
0
2
-
2
0 = in standard control loop 1 = act as base load compressor
2 = act as modulating capacity
; function defined by parameter F5
c5 Compressor rotation
0
1
flag
1
0 = FILO logic (First In, Last Out) 1 = FIFO logic (First In, First Out)
c6 Sensor fail
0
4
-
0
(number of compressors in case of sensor failure)
h0 Discharge pressure sensor
0 = not available; 1 = available
0 1 flag 1
r
SENSOR PARAMETERS (C1)
r0 Suction sensor 0%
-1.0
50
bar
-0.8
r1 Suction sensor 100%
-1.0
50
bar
7
r2 Suction sensor offset
-1.0
1.0
bar
0.0
r3 Refrigerant
0
7
-
3
0 = R 22
1 = R 134a
2 = R 507
3 = R 404A
4 = R 407C
5 = R 410A
6 = R 124
7 = R 744
* Resolution = 10 sec,
on the local display. Example a value 2 means 20 sec.
** Resolution = 10,000 hrs.
on the local display. Example a value 2 means 2.000 hours.
F MODULATING PARAMETERS (C1)
Min
Max
Unit Def.
Custom
F2 Minimum output value (F5 = 0 or 1)
10
100
%
10
F3 Maximum output value (F5 = 0 or 1)
10
100
%
100
F3 PWM rate if F5 = 2 (Digital Scroll)
10
20
sec
10
F5 Analogue output mode for Comp. 1
0 or 1 = 0 … 10V; 2 = PWM (digital)
0 2 - 2
Controller C2 (Condenser Controller)
P SET-POINT PARAMETERS (C2)
P0 Condensing pressure set point
-1
50
bar
14.0
P1 Cond. pressure band
0
50
bar
4.0
P2 Condensing pressure set point 2
-1
50
bar
14.0
P3 Condensing recovery min
-9.9 50.0
bar
-9.9
P4 Condensing shift (0 = off, 1 = on)
0
1
-
0
P5 Condensing shift max
0.0
3.0
bar
3.0
P6 Condensing shift temp min
-50
50
°C
30°C
P7 Condensing shift temp max
-50
50
°C
15°C
P8 Condensing recovery max
-9.9
50
bar
50
t TIME PARAMETERS (C2)
t0 Integration time
30
99 10 sec*
60
t1 Time delay before adding capacity
0
99 10 sec*
3
t2 Time delay before removing capacity
0
99 10 sec*
3
A ALARM-PARAMETERS (C2)
A1 Alarm delay HP
0
99 10 sec*
0
A2 Condensing alarm limit min
-1.0 50 bar 10
A3 Condensing alarm limit max
-1.0 50 bar 27
A4 Alarm delay condensing limit min
0 99
10
sec*
0
A5 Alarm delay condensing limit max
0 99
10
sec*
0
A8 Alarm delay serial alarm fan
0 99
10
sec*
0
A9 Service interval
0 99
1,000 hr**
0
u STEP ENABLE PARAMETERS (C2)
u0 Fan service interval reset
0
4
-
0
0 = do nothing
1 = reset operating time fan 1
2 = reset operating time fan 2
3 = reset operating time fan 3
4 = reset op. time all fans
u1 Fan 1 enable (0=disable, 1=enable) 0
1
flag
1
u2 Fan 2 enable (0=disable, 1=enable) 0
1
flag
1
u3 Fan 3 enable (0=disable, 1=enable) 0
1
flag
1
c APPLICATION PARAMETERS (C2)
c1 Number of fans
1
3
-
3
c3 Control mode (0 = P mode,
1 = PI mode, 2 = dead band mode)
0 2 - 2
c4 First fan control mode
0
2
-
0
0 = in standard control loop,
1 = act as base load fan,
2 = act as modulating capacity (0…10V
for inverter command or TRIAC output)
c5 Fan rotation
0
1
flag
0
0 = FILO logic (First In, Last Out) 1 = FIFO logic (First In, First Out)
c6 Sensor fail
(nr. of fans in case of sens fail)
0 3
-
0
r SENSOR PARAMETERS (C2)
r0 Condensing sensor 0%
-1.0
50
bar
0.0
r1 Condensing sensor 100%
-1.0
50
bar
30
r2 Condensing sensor offset
-1.0 1.0
bar
0.0
F MODULATING PARAMETERS (C2)
F2 Fan 1 min speed (if controlled)
0
100
%
0
F3 Fan 1 max speed (if controlled)
0
100
%
100
F4 Fan 1 at min: (0=off; 1 =min speed)
0
1
flag
0
F7 Output mode for modulating fan 1:
0
1
flag
0
0 = 0 – 10V analogue output; 1 = Phase cutting with Triac
H OTHER PARAMETERS
H2 ECD Display access
0
3
-
3
0 = all disabled (Caution, access
to controller only via TCP/IP
network possible)
1 = Keyboard enabled
2 = IR remote control enabled
3 = Keyboard and IR remote
control enabled
H3 IR access code
0
199
-
0
H5 Password 0
199
-
12
