Ec2-311 display case and coldroom controller – Emerson EC2-311 User Manual

Page 3

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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

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