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EWHT800LX  

 

12 - EN

English

TECHNICAL SUPPORT

Please have the following information available when contacting Eliwell Technical Support:

•  IdF firmware version (e.g. 389)

•  rEL firmware version release (e.g. 1,2,...)

•  tAb map code

• Ht instrument model (e.g. 800)

To obtain this information:

•  Press and release the DOWN / INFO key

•  Press and release the DOWN key once more to display other information about the instrument

•  Press the ESC key to return to the normal display

This section lists alarms associated with the default configuration of the instrument. For a description of alarms relating to custom configura

-

tions, refer to the user manual or contact Eliwell Technical Support

Folder

Cause

Effects

Remedy

Ad2

•  End of defrost cycle due to time-out 

rather than due to defrost end tempe-

rature being read by the defrost probe

•  Recording of label Ad2 in folder ALr

 

•  Wait for the next defrost cycle for 

automatic return

EA

• activation of digital input (set as exter

-

nal alarm). See param. H11...H14

• Registration EA label in the ALr folder
• Controller shutdown (see section 

rLO/dOA/PEA)

•  in case of alarm silenced, the 

controllers remain shutdown until 

the next deactivation of the digital 
input.
•  wait for next deactivation of 
digital input.

OPd

•  Activation of digital input (configured as 

door switch) See param. H11...H14

•  Depends on delay set by parameter tdO

•  Recording of label OPd in folder ALr
•  Regulator blocked (see para. dOA/PEA)

• Close door
•  Depends on delay set by parameter 

OAO

L01…L15*

H01…H15*

*PEn para-

meter value 

(default 15, 

max 99)

LOW and HIGH pressure warning (min/

max pressure switch)

• minute count start defined by parameter 

PEi

• no effect on current regulation

• Wait for the time interval defined by 

PEi (automatic reset) to elapse

• If PEn appear during the PEi interval 

see LPA/HPA

LPA

LOW pressure alarm 
(minimum pressure switch)

• Recording of label LPA in folder ALr
• Current regulation blocked (compressor, 

defrost and fans)

• The standby relay will be deactivated

• Switch the device off and back on 

again (manual reset)

• The pressure switch alarms can be 

reset manually from the functions 

menu (label rPA)

HPA

HIGH pressure alarm
(high pressure switch)

• Recording of label HPA in folder ALr
• Current regulation blocked (compressor, 

defrost and fans)

• The standby relay will be deactivated

• Switch the device off and back on 

again (manual reset)

• The pressure switch alarms can be 

reset manually from the functions 

menu (label rPA)

E10

Clock alarm 
clock faulty or battery low

 

• Functions associated with clock not 

present

• contact Eliwell Technical Customer 

Support

ALL ALARMS:     

•  Alarm icon permanently on (including pressure switch warnings)
•  Press any key to silence the alarm, the LED changes from a steady light to a blinking light. Please note: the buzzer will be deactivated while 

the alarm relay remains active

* E1-E2-E3-E4:  If simultaneous they will be shown alternately on the display at a frequency of 2 seconds.

 

E5 shown permanently on lower display

Содержание Coldface EWHT800LX Series

Страница 1: ...EWHT800LX Controllers for cold rooms and curing rooms for on board installation...

Страница 2: ...downloaded free of charge from the www eliwell it website MECHANICAL INSTALLATION Manual defrost Display HACCP alarms if function active Display alarms if active Functions menu LOC keyboard lock rSE a...

Страница 3: ...3 Heating OUT4 Compressor OUT5 Evaporator fan OUT6 Auxiliary 1 ventilation fans OUT7 Auxiliary 2 destratification fans OUT8 Light Probe inputs default settings Pb1 NTC cold room probe Pb2 NTC defrost...

Страница 4: ...lation FansOFF 2 CONDENSERFANS yellow FansON FansOFF 3 VENTILATIONFANS AUXILIARY1 AUX yellow VENTILATIONFANS AUX1ON VENTILATIONFANS AUX1OFF 4 DESTRATIFICATIONFANS AUXILIARY2 AUX yellow DESTRATIFICATIO...

Страница 5: ...document in the section Parameters Table 1 Press and hold the SET key for 3 seconds until the display shows PAr Lite 2 Press and release the SET key once more The upper display will show the first pa...

Страница 6: ...meter FPt can be either the absolute temperature or the temperature relative to the set point 50 150 6 0 C F Fdt Fan activation delay after a defrosting cycle 0 250 0 min dt Drip time 0 250 0 min dFd...

Страница 7: ...tor probe Pb2 set H42 0 and set relay OUT5 parameter H25 6 STANDBY or 0 DISABLED to prevent con tinuous ventilation DEHUMIDIFICATION Digital output OUT1 is configured as dehumidification relay It swit...

Страница 8: ...is enabled as 0 10V output F00 4 for piloting an external fan module AUXILIARY AUX1 2 ventilation fans Digital output OUT6 is configured as ventilation fans relay The auxiliary output is activated ma...

Страница 9: ...gulation activation of relay AUX1 2 and procedures for completing one STEP and switching to the next By default regulation is disabled and the setpoints are all zero The auxiliary relay is enabled The...

Страница 10: ...54 55 56 57 OUT8 OUT7 OUT6 OUT5 H28 H27 H26 H25 2 3 4 5 10 11 12 13 8 9 AUX 1 AUX 1 RS485 connection to TelevisSystem available with optional plug in module only Copy Card Bus Adapter RS 485 TTL AUX...

Страница 11: ...nlowerdisplay Theupperdisplaywillshowthevalueread bytheroomprobeexceptinthecaseof probeerrors Checkprobetype H45 Checkwiring 2 3 4 5 wireprobe Replaceprobe AL1 Pb1LOWtemperaturealarm valuereadbyPb1 LA...

Страница 12: ...11 H14 DependsondelaysetbyparametertdO RecordingoflabelOPdinfolderALr Regulatorblocked seepara dOA PEA Closedoor Depends on delay set by parameter OAO L01 L15 H01 H15 PEn para meter value default 15 m...

Страница 13: ...0 10V 0 10 55mA minimum load resistance 180 Ohm Digital output Buzzer only on models where this is provided Serials 1TTL port for connection to Copy Card 1TTL port for connection toTelevisSystem 1RS...

Страница 14: ...e 1B controller in terms of software class and structure as a class A device In terms of connection as a device with flexible external and removable cable with Y connection device with pollution grade...

Страница 15: ...one 39 0437 986 111 Facsimile 39 0437 989 066 Sales 39 0437 986 100 Italy 39 0437 986 200 other countries saleseliwell invensyscontrols com Technical helpline 39 0437 986 300 E mail techsuppeliwell in...

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