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Universal Controller-
ST Coldroom
ZA-10068-EET
Issue a : 14/5/97
Commissioning:
1. Check all electrical connections (Figs. 2
and 3).
2. Make sure that the controller software is
EET.
3. Check / Set Bit Switches (Fig. 1).
4. Switch the controller ON.
5. Connect Set-up Unit to DIN Box Display
or controller (Fig. 2).
6. Check / Set operating parameters - see
list
7. Save values - if changed
8. Log the controller on to the network then
verify settings on Genus InTouch panel,
Set-up Unit or DIN Box Display.
9. Faults ?..........See 'Fault Finding'.
Fault Finding:
Set-up Unit does not reach the first
screen.
•
If the red LED beside the display
connector is ON, then the controller is
faulty.
You cannot log the controller on to
the network.
•
There may be a controller with the same
name, already logged on the network.
•
There may be a maximum 32 controllers
already on the network segment.
•
Check on the InTouch panel, P.C. or
Supervisor.
Display Alarm Messages:
AL
Temperature alarm
Ft
Probes 1 and 2 are faulty
LA
Log probe alarm
Pn
probe 'n' faulty or not connected
(Where 'n' = probe number)
EE
EEPROM fault
rr
Internal program fault
En
Plant fault ('n' = number)
Store:............................................
Controller
Name:
Designer:.......................................
Date:.............................................
Engineer:.......................................
Date:.............................................
Top
E
N
N
RL1
RL3
RL2
Solenoids
F3
L
L Line
Fans
F4
N Neutral
RL4
E Earth
E
N
Bottom
Fans
Output Connections (Fig. 3)
Parameter
Cut in Temperature
Air On / Off Weight
OT Alarm
UT Alarm
Alarm Delay
Log OT Alarm
Log UT Alarm
Log Probe Type: 0=Off ; 1=Product
; 2=Alarm ; 3=Prod/Alarm
Defrost Start
Number of Defrosts per Day
No Defrost Time
Gas Defrost Detect
Defrost Terminate Temperature
Defrost Minimum Time
Defrost Maximum Time
Drain Down Time
Defrost Recovery Time
Defrost Type: 0=Elect.; 1= 2Gas ;
2= 3Gas
Defrost Mode: 0=Local ; 1=Remote
Defrost Hold: 0=Off ; 1=On
Hour
Minute
Day
Month
Year
BST / GMT Select: 0=Auto ;
1=Man.Off ; 2=Man.On
Door Alarm Delay
Drip Pan Heater: 0=Off ; 1=On
Fans Off when Door is Open:
0=Off ; 1=On
Liquid Line Closed when Door is
Open: 0=Off ; 1=On
Superheat reference
EEV Proportional Gain
EEV Integral Gain
EEV Integral Time
EEV Size
EPR Gain
EPR Integral Time
Temp. Proportional Gain
Temp. Integral Gain
Temp. Integral Time
Manual Defrost: 0=Off ; 1=On
Output Connections (Fig. 3):
The diagram on the left shows the output
connections to the EEV and suction line valves,
SGV, defrost heater, drip pan heater, remote,
and alarm. The connection to the EPR valve is
N
N E
made from the front panel, at the two-pin
RL5
connector labelled 'EPR valve'.
Alarm / Remote
F2
A special cable is provided for the network
connection. Neighbouring controllers can be
Not used
F1
linked together to form a network by connecting
these cables in series.
N
N E
DIN
Range/Units
0
-49 to 30 / °C
1
0 to 100 / %
3
-49 to 60 / °C
2
-49 to 60 / °C
4
00:00 to 99:00/Min:Sec
7
-49 to 60 / °C
6
-49 to 60 / °C
5
0 to 3
8
00:00 to 23:59/Hrs:Mins
9
0 to 8
10
0 to 25 / Hrs.
11
0 to 30 / °C
12
-49 to 30 / °C
13
00:00 to 99:00/Min:Sec
14
00:00 to 99:00/Min:Sec
15
00:00 to 20:00/Min:Sec
16
00:00 to 99:00/Min:Sec
17
0 to 2
18
0 to 1
19
0 to 1
20
0 to 23
21
0 to 59
22
0 to 31
23
0 to 12
24
0 to 99
25
0 to 2
26
00:00 to 99:00/Min:Sec
27
0 to 1
28
0 to 1
29
0 to1
30
31
32
33
Do not change the
34
value of these
35
parameters
36
37
38
39
99
0 to 1
Default
Dsgn
Act.
HT(LT)
0 (-20)
50
5 (-16)
-2 (-25)
20:00
5 (-15)
0 (-25)
0
01:00
6
7
18
10 (14)
05:00
24:00
(25:00)
01:30
30:00
0
0
0
0
20:00
0
0
0
8.0 (6.0)
2.0
2.0
03:00
1.0
0.70
00:15
1.5
0.7
10:00
0
EEV004p 7B30FE
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