7
ENG
easy/easy compact/easy split +030220791 - rel. 3.2 - 13.07.2010
1. INTRODUCTION
easy, easy compact and easy split are electronic microprocessor
controllers with LED display, developed for the management of
refrigerating units, display cabinets and showcases. They exploit the
experience and the success of the previous PJ32 range, with the objective
of o ering a product that is simpler and more economical. The structure
of the parameters has been enhanced with new functions for more
dynamic and e ective management of the temperature control and
defrost.
easy compact the smallest, most economical easy model, with one relay
only, and a simpli ed display.
easy split model with separate terminal and power board.
1.1 Main characteristics
The following table lists the main features of the easy, easy compact and
easy split controllers.
Features Models
easy easy compact easy split
Ergonomic polycarbonate keypad with three buttons
Keypad protection to prevent tampering
Access to the con guration parameters by password
Digit display -199…999 -99...99 -199…999
Decimal point
Display in °C or °F
LED display
Defrost (*) - by stopping the compressor
- heater
- hot gas
- heater with temperature control
-
-
-
Duty setting function
Continuous cycle function
Relay outputs (*)
Up to two analogue inputs for NTC or PTC probes (*)
-
Up to two analogue inputs for NTC/NTC-HT probes - -
Multifunction analogue or digital input (*)
-
In the models with at least 2 probes: display second/third probe (*)
Input for CAREL IROPZKEY** programming key (*)
Input for external CAREL IROPZ485 connector (RS485 network) (*)
Buzzer (audible alarm signals) (*)
-
Fixed or removable terminals
-
Fastening from rear or front
Easy Set (rapid instrument con guration selection)
Table 1.a
(*) Check that this is available on the model in question.
Important: each of the features should be checked for the model
in question.
1.2 Models
The easy and easy compact controllers di er as regards operation, and
the number inputs and outputs. easy split models feature a separate
terminal and power board.
easy models:
PJEZS (0, 1, 6, 7)*; PJEZ(X, Y)*; PJEZC* controllers and PJEZM(0, 1, 6, 7)*
thermometer only
easy compact models:
PJEZS(N, P)* controller and PJEZM(N,P)* thermometer only
easy split models:
PJEZ*8**** controllers with one relay used for the light output.
Models and features
S models (PJEZS*)
The ideal solution for the management of static refrigeration units (that is,
without fan on the evaporator), operating at normal temperature (above 0
°C). This model, in fact, performs the functions of thermometer, displaying
the temperature of the unit, and electronic thermostat, activating the
compressor (or the solenoid valve in the case of multiplexed units) so as
to maintain the required temperature. In addition, it features compressor
protection algorithms and automatic defrost function by shutting down
the compressor.
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