Eliwell

ID Plus 971

ID Plus Series • Refrigeration Controller

Type Refrigeration

Application Display Case

Probe Inputs 2

Relay Outputs 2

Communication TTL Serial

Panel Size 32x74 mm

R1 Compressor

R2 Defrost

Two-probe controller with electrical defrost for display cases

Technical Specifications

Relay Outputs	2
Relay Rating	8A/250VAC (16A inrush)

Operating Temp	-5 to 55°C
Storage Temp	-25 to 70°C

Terminal	Function	Type	Wire Color
1	Power L	Input	brown
2	Power N	Input	blue
3	Probe 1 (+)	Input	red
4	Probe 1 (-)	Input	white
5	TTL/DI Signal	Input	gray
6	TTL/DI Common	Input	gray
7	TTL/DI +12V	Input	red
8	Probe 2 (-)	Input	white
9	Relay 2 NO (Def)	Output	orange
10	Probe 2 (+)/Relay COM	Output	red
11	Relay 1 NO (Comp)	Output	black
12	Relay 1 COM	Output	black

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
Ot	Room Offset	-12 to 12	0 °C	Room probe calibration
OE	Evap Offset	-12 to 12	0 °C	Evaporator probe calibration
H00	Probe Type	0=PTC, 1=NTC	1	Sensor type selection
dFt	Defrost Type	0=Off, 1=Elec, 2=Gas	1	Defrost method
dt	Defrost Duration	0 to 255	30 min	Maximum defrost time
dit	Defrost Interval	0 to 24	6 hr	Time between defrosts
dSt	Defrost End Temp	0 to 50	8 °C	Termination temperature