!Ã 8uh
hpr
vvpÃ
Qr
ÃyÃÃ
The plug-in can be powered at: 230Vac or 115Vac using an internal transformer, or at 12Vac/Vdc without internal transformer.
6rurvpÃhqÃr
tvp
The LED signals are clearly visible, thanks to the back-lighting of the three buttons. The front panel frame can be customised both
in terms of colour and indications.
G@9ÃqvyhÃ
The temperature and the parameter settings are displayed by
display is from -50 to + 127 degrees centigrade or Fahrenheit. For the parameters, the field of display can be from -99 to +199, or
from -127 to +127.
6yh
Ãir
The controls with one relay only can be fitted as standard with a buzzer for signalling alarms.
9ÃrvtÃhqÃpvÃppyr
Functions are:
• the activation of the compressor with programmable timers in the event of control probe fault.
• continuous cycle, which forces the activation of the compressor for the programmable time.
HyvspvÃvÃ
The digital input, when present, can be used to enable/disable/end the defrost, and to manage serious alarms which require the
immediate (e.g. high pressure) or delayed (e.g. low pressure) shut-down of the unit.
8rpv
The economical versions (
terminals. The latter significantly simplify the installation and maintenance of the machine.
SryhÃÃÃ
There are, according to the model, up to three relays for the control of
relay is fitted, the common of all the relays is connected and is available on just one terminal.
HyvspvÃ
The alarm relay output, when present, can be set using a parameter to be normally activated or normally deactivated.
FrhqÃhqÃh
hrr
Ã
rpv
The keypad can be disabled to avoid tampering by unauthorised persons. For each parameter, furthermore, the level of possible
modification, with or without PASSWORD, can be set.
Tr
vhyÃprpv
The
versions feature serial connection, with the following external options:
U
• parameter copy key: allows the parameters to be duplicated and configured;
• HACCP module, used to record temperatures and alarms;
• RS485 serial adapter module, for connection to a supervisor.
9vyhÃsÃrpqÃ
ir
In the models with two probes, the measurement of the second probe can be displayed instead of the first (control probe). This
function can be used to display the product storage temperature; the defrost mode, in this case, is only by time.
Ahrvt
The fastening method used for the economical models (
also feature the possibility of fastening
@yrp
htrvpÃphvivyvÃ
The plug-in series conforms to EU standards on electromagnetic compatibility:
• for appliances for domestic use EN55014-2 and EN55014-1;
• for residential, commercial and light industrial environments EN50082-1 and EN50081-1
• for industrial environments EN50082-2 and EN50082-1.
• Regarding safety, it conforms to standards EN60730-1 and EN60730-2-9.
Ã
The CE mark confirms the quality and the safety of the plug-in series, guaranteed by the Carel ISO 9001 certified design
Ã
and production system.
Cod. +030221881 rel. 1.0 - 11/02/2000
) maintain the traditional fixed terminals, while the complete versions (
@p
s
ÃurÃs
Ãhry
à hqà hà uhysà qvtv
p
r
) uses a rear-panel fastening bracket, while all the other versions (
@p
, using two screws.
Ã
5
. For the temperature values, the field of
) use removable
U
,
,
and
. When more than one
qrs
sh
hyh
ytvÃ
)
U