Emerson Process Management EC2-352 user manual List Of Parameters, Unit

EC2-352 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 calculated from the pressure
	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 / °F	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

EC2-352_65117_EN_R05.doc Replacement for Rev.:04

						Min	Max	Unit		Def.	Custom
d3	Pulsed defrost					0	1	-		0
	0	= off, no pulsed defrost, heaters switched off at defrost termination
		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	2	-		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					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
P	ANALOG SENSOR PARAMETERS
P1	Pressure sensor type selection					0	2	-		0
	0	= PT5-07M; 1 = PT5-18M; 2 = PT5-				30M
H	OTHER PARAMETERS
H2	Display access					0	4	-		3
	0	= all disabled (Caution, access to controller only via the TCP/IP									Ethernet
		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
		3 / 4					PCN : 864 925			16.09.2009