Carel Easy PJEZS Series Manuals

CAREL
 SERIES REFRIGERATION CONTROL – FIELD SUPPORT GUIDE
1.  Overview of the Easy control’s display and buttons:
2.  Wiring the control’s connections correctly:  Carel controls come in a wide variety of different configurations, often
customized for the OEM appliance manufacturer. A label found on top of the control will show a wiring guide and electrical
specifications for the specific model. When replacing the control, DO NOT ASSUME  that the numbered terminals will always serve
the same function as the previous control installed. Carefully check all connections according to the labels / symbols shown
underneath each numbered contact.
Common Configurations:  PJEZS* Models – Medium Temp
PJEZC* Models – Low Temp
Carefully note the following connections available on your model, and connect the wires accordingly.
Temperature probe input(s)
Control probe (AMB) and optional defrost probe (DEF), with a common
Digital input
Configurable input for alarm, defrost, curtain etc. (Parameter A4)
Compressor output
Contact points may vary across different control models
Fan output
Contact points may vary across different control models
Defrost output
Contact points may vary across different control models
Auxiliary output
 Contact points may vary across different control models
Line voltage to outputs
L
Typically isolated from supply voltage, requiring its own connection
Supply voltage
L/N
Line and neutral supply wires, most commonly points 6 and 7
3.  Viewing and changing the set point:  Press and hold the red SET button for 1 second to view current set point,
and release immediately after it is displayed. (Display may flash, indicating the value can be changed.)
Press UP and DOWN arrows to change value and press SET again to store new value.