Carel

EVD4000E00

EVD400 Series • Refrigeration Controller

Type Refrigeration

Application Cold Room

Probe Inputs 2

Relay Outputs 1

Communication RS485 Modbus

Panel Size 72x75 mm

R1 Alarm

Standalone electronic expansion valve driver

Technical Specifications

Relay Outputs	1
Relay Rating	5A/250VAC

Operating Temp	-30 to 70°C
Storage Temp	-40 to 80°C

Terminal	Function	Type	Wire Color
G	24V AC Common	Input	gray
G0	24V AC Phase	Input	brown
B1+	Evap Temp +	Input	red
B1-	Evap Temp -	Input	white
B2+	Suction Temp +	Input	red
B2-	Suction Temp -	Input	white
Pe	Pressure 4-20mA	Input	gray
M1-M4	Valve Motor	Output	various
AL	Alarm Relay	Output	red
A/B	RS485	Comm	blue/yellow

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

Code	Parameter	Range	Default	Description
SH	Superheat Setpoint	0 to 30	8 K	Superheat reference
KP	P Gain	0 to 100	35 %	Proportional
TI	I Time	0 to 600	90 sec	Integral
OL	Min Opening	0 to 100	10 %	Minimum
OH	Max Opening	0 to 100	100 %	Maximum
RF	Refrigerant	0-20	7	Type
SL	Low SH Alarm	0 to SH	3 K	Low alarm
SU	High SH Alarm	SH to 50	20 K	High alarm