Dixell

XR75CX

XR Series • Refrigeration Controller

Type Refrigeration

Application Display Case

Probe Inputs 3

Relay Outputs 4

Communication RS485

Panel Size 32x74 mm

R1 Compressor

R2 Defrost

R3 Fan

R4 Light

Four-relay controller with light control for display cases

Technical Specifications

Display Type	LED
Display Digits	4
Buttons	4
LED Indicators	Compressor, Defrost, Fan, Light

Relay Outputs	4
Relay Rating	8A/250VAC

Operating Temp	0 to 55°C
Storage Temp	-25 to 60°C

Terminal	Function	Type	Wire Color
L	Power L	Input	brown
N	Power N	Input	blue
Pb1	Room Probe	Input	red/white
Pb2	Evap Probe	Input	red/white
Pb3	Aux Probe	Input	red/white
DI	Door Switch	Input	gray
R1	Compressor	Output	black
R2	Defrost	Output	orange
R3	Fan	Output	green
R4	Light	Output	yellow
A	RS485 A	Comm	blue
B	RS485 B	Comm	yellow

Important: Always disconnect power before wiring. Verify terminal numbers with the actual controller label before connecting.

Code	Parameter	Range	Default	Description
SEt	Setpoint	-50 to 110	2 °C	Temperature setpoint
Hy	Differential	0.1 to 25.5	2 °C	Switching differential
dt	Defrost Type	0-3	1	Defrost method
dP	Defrost Duration	0 to 99	30 min	Maximum defrost time
dE	Defrost End Temp	0 to 50	8 °C	Termination temperature
Fd	Fan Delay	0 to 15	2 min	Fan restart delay
LOn	Light On Time	00:00-23:59	07:00	Light on schedule
LOF	Light Off Time	00:00-23:59	22:00	Light off schedule