Emerson EC2-311 user manual List Of Parameters, Min Max Unit Def

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	2	-	0
	0	= off, 1 = on,
	2	= on together with timed defrost
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				-20.0	20.0	K	0.0
	Glide		= positive values
	Pressure drop		= negative values
u2	MOP control				0	1	-	0
	0	= MOP off, 1 = MOP on
u3	MOP temperature				-40	40	°C	0
u4	Superheat mode			0 = off	0	2	-	1
	1	= fixed superheat
	2	= adaptive superheat
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

EC2-311_65081_EN_R08.doc Replacement for Rev.:06 3 / 4 PCN: 864 911 20.03.2008