EWRC 300/500 NT
2 - EN
English
INTRODUCTION
The
Coldface EWRC 300/500 NT
series controls the temperature of a static or ventilated cold room.
The instrument controls positive and negative cold rooms and is capable of managing a double evapo-
rator and condenser probes.
Coldface
has 3 or 5 configurable relays depending on the model, 2(3) digital inputs configurable for
door switch or other devices. Models are available with clock with yearly calendar and HACCP event log-
ging. Connection to Televis
System
/ Modbus is possible using the optional
module plug-in RS485
.
The container is used to install a magnetothermal switch or power contactor.
This summary document contains basic information about the standard models
EWRC 300/500 NT
.
For further information and different configurations, refer to the complete user manual cod.
9MA10258
downloadable free of charge from
www.eliwell.com.
MECHANICAL INSTALLATION
Manual
defrost
Display HACCP alarms
if function active
Display alarms
if active
Functions Menu
Info
System
LOC keypad lock
rHC reset HACCP alarms
rSE active Set reduced
rPA Pressure switch
rEd disable HACCP
SET
-18.9
rtc
18.55
Pb1
-20.6
set time
and date
display probe
value
display probe
value
modify SetPoint
value
confirm with
1 sec
1 sec
1 sec
3 sec
3 sec
function ON / OFF
Pb2
-20.6
inS
USr
see manual
diF
2.0
CPr
- - -
modify value
confirm with
Turns light
on/off
Turns instrument
on/off
Parameters
SetPoint & Probes
NAVIGATION DIAGRAM
• Drill 4 holes (see A...D) in the wall and
fix the backplate using 4 screws (not
supplied) suited to the wall thickness.
• Insert plug covers TDI 20 (accessory
available on request)
• Close the door and screw on the 4
cover screws taking care that the hinges
are flush and do not interfere with the
closure of the cover.
A
B
C
D
116
[UM] mm
87
235
• Take out the 4 screws supplied and
then open the cover.
• Drill holes for the high and low volt-
age cable glands on the sides of the
backplate, as shown.
• Check that the cables are inside the
box.
• Use suitable cable glands and/
or conduit glands that guarantee an
airtight seal for all wiring.
See cutout at last page.
