
EC3-33x Coldroom Controller with EX5
User Manual
EC3-33x
A.6.5.063E - Rev 4
14
Emerson Electric GmbH & Co - ALCO CONTROLS - Heerstr. 111 - D-71332 Waiblingen - Germany - Tel.: ..49 (0) 7151 509 0 - Fax: 49 (0) 7151 509 200
Configuration Parameters
Thermostat
UNVT_THERMOSTAT
Code
Description
Variable type
Name
Unit
Min
Max
Default
Res.
IR
Kb Lon
0
A0
Mean alarm factor
unsigned short
MeanAlarm
%
0
100
100
y
y
y
*1
1
A1
Low limit delay
unsigned short
LowAlarmDelay
min
0
180
5
y
y
y
Low limit temperature alarm delay
2
A2
High limit delay
unsigned short
HighAlarmDelay
min
0
180
5
y
y
y
High lim
3
A3
High limit defrost delay
unsigned short
DefAlarmDelay
min
0
180
10
y
y
y
High limit temperature alarm delay for defrost
4
Ad
Door alarm delay
unsigned short
DoorAlarmDelay
min
0
180
2
y
y
y
Alarm delay for door contact and restart time for cooli
5
AH
High limit temperature
signed short
HighLimTemp
°C
AL
70
40
y
y
y
High temperature limit
6
AL
Low limit temperature
signed short
LowLimTemp
°C
-50
AH
-40
y
y
y
Low temperature limit
7
At
Type of alarm limits
unsigned short
AlarmLimit
0
1
0
y
y
y
*7
8
r0
Door contact function
unsigned short
DoorContact
0
15
6
y
y
y
*2
9
r1
Min setpoint value
signed short
MinSetPoint
°C
-40
r2
-40
y
y
y
Min cut out threshold
10
r2
Max setpoint value
signed short
MaxSetPoint
°C
r1
60
40
y
y
y
Max cut out threshold
11
r3
Day night control
unsigned short
DayNightCtrl
0
1
1
y
y
y
0 = off, 1 = on
12
r4
Thermostat mode
unsigned short
ThermMode
0
4
1
y
y
y
*3
13
r6
Setpoint night operation
signed long
SpNight
°C
r1
r2
4
0.1
y
y
y
Setpoint for night operation, controled by nv and r3
14
r7
Difference night operation
unsigned short
DiffNight
K
0.1
20
2
0.1
y
y
y
Difference for deadband calculation
15
r8
Mean factor day operation
unsigned short
MeanDay
%
0
100
100
y
y
y
*4
16
r9
Mean factor night operation
unsigned short
MeanNight
%
0
100
50
y
y
y
*5
17
rd
Difference day operation
unsigned short
DiffDay
K
0.1
20
2
0.1
y
y
y
Diff. between cut in & cut out
18
St
Setpoint day operation
signed long
SpDay
°C
r1
r2
2
0.1
y
y
y
Setpoint for day operation, controled by nviDayNight a
19
Sensor
selection
unsigned
short
Sensor
0
3
0
n
n
y
*6
Total 22 bytes
*1
Calculation : nvoAlarmAirTemp = ReturnTemp -(ReturnTemp - DischargeTemp)*MeanAlarm/100
*2
DoorContact = C Alarm + Timer + Action
Cooling
0 = cooling when door open
1 = no cooling when door open
Alarm
0 = alarm on when door open
2 = alarm off when door open
Timer
0 = Timer not startet when door open
4 = Timer startet when door open
Action
0 = alarm activated when timer over
8 = alarm activated and cooling restartet when timer over
*3
0 = off
1 = cooling, DB thermostat
2 = cooling, Mod. Thermostat
3 = heating, DB thermostat
4 = external control, controller follows nviValve
*4
Calculation : nvoAirTemp = ReturnTemp -(ReturnTemp - DischargeTemp)*MeanDay/100
*5
Calculation : nvoAirTemp = ReturnTemp -(ReturnTemp - DischargeTemp)*MeanNight/100
*6
0 = Sensors internal
1 = Discharge air temperature sensor from LON network
2 = Return air temperature sensor from LON network
3 = both air sensors from LON network
*7
0 = Alarm limits absolute
1 = Alarm limits relative to set point
Alarm Messages
Alarm messages will be send by the “nvoAlarm” of the node object.
Condition
SNVT #
Alarm Value
Message
Priority
Low temperature alarm occurs
105
nvoAlarmAirTemp
AL_LOW_LMT_ALM_1
PR_LEVEL_3
Low temperature alarm disappears
105
nvoAlarmAirTemp
AL_LOW_LMT_CLR_1
PR_LEVEL_0
High temperature alarm occurs
105
nvoAlarmAirTemp
AL_HIGH_LMT_ALM_1
PR_LEVEL_3
High temperature alarm disappears
105
nvoAlarmAirTemp
AL_HIGH_LMT_CLR_1
PR_LEVEL_0
Emergency alarm condition occurs
105
nvoAirTemp
AL_ALM_CONDITION
PR_LEVEL_3
Emergency alarm condition disappears
105
nvoAirTemp
AL_NO_CONDITION
PR_LEVEL_0
Door open alarm condition occurs
22
nviDoor
AL_ALM_CONDITION
PR_LEVEL_3
Door open alarm condition disappears
22
nviDoor
AL_NO_CONDITION
PR_LEVEL_0