Evco

EVDRIVE01N7

EVDRIVE Series • Refrigeration Controller

Type Refrigeration

Application Variable Speed Compressor

Probe Inputs 4

Relay Outputs 2

Communication RS485 Modbus RTU

Panel Size 96x96 mm

R1 Defrost

R2 Alarm

Electronic expansion valve and VSD compressor controller

Technical Specifications

Relay Outputs	2
Relay Rating	8A/250VAC

Operating Temp	-10 to 55°C
Storage Temp	-25 to 65°C

Terminal	Function	Type	Wire Color
1-2	Power 230VAC	Input	brown/blue
3-4	Room Temp NTC	Input	yellow/white
5-6	Suction Temp NTC	Input	green/white
7-8	Suction Press 4-20mA	Input	red/black
9-10	Discharge Press 4-20mA	Input	orange/black
11-12	RS485	Comm	orange/yellow
13-14	Defrost Relay	Output	red
15-16	Alarm Relay	Output	gray
17-18	EEV 0-10V	Output	blue/black
19-20	VSD Speed 0-10V	Output	green/black

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

Code	Parameter	Range	Default	Description
SP	Setpoint	-50 to 50	-18 °C	Temperature setpoint
SH	Superheat SP	2 to 20	8 K	Target superheat
Kp	EEV P-gain	0.1 to 10	2	Proportional gain
Ki	EEV I-time	10 to 600	120 sec	Integral time
Cs	Comp Min Speed	20 to 60	30 %	Minimum VSD speed
CM	Comp Max Speed	60 to 100	100 %	Maximum VSD speed
Cp	Comp P-gain	0.1 to 10	1.5	Capacity control P-gain