EC3-812_65118_EN_R00.doc Replacement for R00 3 / 5 PCN: 864916 18.03.2009
EC3-812 Dual Circuit Rack Controller
Operating Instructions
GB
List of Parameters
/ DISPLAY PARAMETERS
Min Max Unit Def. Custom
/1 Value to show 0 4 - 0
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 -1 50.0 bar 3.0
P1 Suction band 0.0 50.0 bar 2.0
P3 Suction recovery min -9.9 50 bar -9.9
P4 Suction shift (0=disabled, 1=enabled) 0 1 - 0
P5 Suction shift max 0.0 3.0 bar 3.0
P8 Discharge recovery max -9.9 50.0 bar 50.0
P9 Discharge recovery step 0.0 5.0 bar 1.0
t TIME PARAMETERS (C1)
t0 Integration time 300 990 10 sec* 600
t1 Suction request on time 0 990 10 sec* 30
t2 Suction request off time 0 990 10 sec* 30
t3 Compressor min on time 0 990 10 sec* 180
t4 Compressor min off time 0 990 10 sec* 420
t5 Compressor cycle rate
(0=number of switching unrestricted)
0 199 1/hr 199
A ALARM-PARAMETERS (C1)
A0 Alarm delay LP 0 990 10 sec* 0
A1 Alam delay HP 0 990 10 sec* 0
A2 Suction warning min -1.0 50.0 bar 1.0
A3 Suction warning max -1.0 50.0 bar 6.0
A4 Warning delay suction min 0 990 10 sec* 0
A5 Warning delay suction max 0 990 10 sec* 0
A6 Maximum discharge end temperature 50 150 °C 120
A7 Discharge end temp. alarm delay 0 990 10 sec* 30
A8 Alarm delay serial alarm 0 990 10 sec* 0
A9 Compressor service interval 0 990
10 000
hr**
0
u STEP ENABLE PARAMETERS (C1)
u0 Comp 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
5 = reset operating time all
compressors
u1 Compr.1 enable (0=disable, 1=enable) 0 1 flag 1
u2 Compr.2 enable (0=disable, 1=enable) 0 1 flag 1
u3 Compr.3 enable (0=disable, 1=enable) 0 1 flag 1
c
APPLICATION PARAMETERS (C1)
c1 Number of compressors 1 3 - 3
c3 Control mode 0 3 - 2
(0 = P mode, 1 = PI mode, 2 = dead band mode, 3 = binary mode)
c4 Compressor 1 control mode 0 2 - 0
0 = in standard control loop,
1 = act as base load compressor,
2 = act as modulating capacity;
0…10V for inverter command
c5 Compressor rotation 0 1 flag 0
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)
0 3 - 0
h0 Discharge pressure
0 = not available; 1 = available
0 1 flag 1
r SENSOR PARAMETERS (C1)
r0 Suction sensor 1 0% -1.0 50.0 bar -0.8
r1 Suction sensor 1 100% -1.0 50.0 bar 7
r2 Suction sensor 1 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
* 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
F MODULATING PARAM. (C2)
Min Max Unit Def. Custom
F0 Compressor INV setpoint -1.0 50.0 bar 3.0
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 0.0 50.0 bar 2.0
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 0.0 100.0 % 0.0
F3 Compressor INV max speed 0.0 100.0 % 100
CONTROLLER C2 (MT)
P
SET-POINT PARAMETERS (C2)
P0 Suction setpoint -1 50.0 bar 3.0
P1 Suction band 0.0 50.0 bar 2.0
P3 Suction recovery min -9.9 50 bar -9.9
P4 Suction shift (0=disabled, 1=enabled) 0 1 - 0
P5 Suction shift max 0.0 3.0 bar 3.0
P8 Discharge recovery max -9.9 50.0 bar 50.0
P9 Discharge recovery step 0.0 5.0 bar 1.0
t TIME PARAMETERS (C2)
t0 Integration time 300 990 10 sec* 600
t1 Suction request on time 0 990 10 sec* 30
t2 Suction request off time 0 990 10 sec* 30
t3 Compressor min on time 0 990 10 sec* 180
t4 Compressor min off time 0 990 10 sec* 420
t5 Compressor cycle rate 0 199 1/hr 199
A ALARM-PARAMETERS (C2)
A0 Alarm delay LP 0 990 10 sec* 0
A1 Alarm delay HP 0 990 10 sec* 0
A2 Suction warning min -1.0 50.0 bar 1.0
A3 Suction warning max -1.0 50.0 bar 6.0
A4 Warning delay suction min 0 990 10 sec* 0
A5 Warning delay suction max 0 990 10 sec* 0
A8 Alarm delay serial alarm 0 990 10 sec* 0
A9 Compressor service interval 0 990
10 000 hr**
0
u STEP ENABLE PARAMETERS (C2)
u0 Comp service interval reset 0 5 - 0
u1 Compr.1 enable (0=disable, 1=enable) 0 1 flag 1
u2 Compr.2 enable (0=disable, 1=enable) 0 1 flag 1
u3 Compr.3 enable (0=disable, 1=enable) 0 1 flag 1
u4 Compr.4 enable (0=disable, 1=enable) 0 1 flag 1
c
APPLICATION PARAMETERS (C2)
c1 Number of compressors 1 4 - 4
c3 Control mode 0 3 - 2
c4 Compressor 1 control mode 0 2 - 0
c5 Compressor rotation 0 1 flag 0
c6 Sensor fail 0 3 - 0
h0 Discharge pressure 0 1 flag 1
r SENSOR PARAMETERS (C2)
r0 Suction sensor 1 0% -1.0 50.0 bar -0.8
r1 Suction sensor 1 100% -1.0 50.0 bar 7
r2 Suction sensor 1 offset -1.0 1.0 bar 0.0
r3 Refrigerant 0 5 - 4
F MODULATING PARAMETERS (C2)
F0 Compressor INV setpoint -1.0 50.0 bar 3.0
F1 Compressor INV band 0.0 50.0 bar 2.0
F2 Compressor INV min speed 0.0 100.0 % 0.0
F3 Compressor INV max speed 0.0 100.0 % 100
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 control enabled
H3 IR access code 0 199 - 0
H5 Password 0 199 - 12
Note: Concerning the indicated parameters, it is recommended to check, before
installing, if the factory value is suitable for the required use