Full Gauge

Plus II 4150

Plus II Series • Refrigeration Controller

Type Refrigeration

Application Display Case

Probe Inputs 1

Relay Outputs 2

Panel Size 28.5x71 mm

R1 Stage 1

R2 Stage 2

Economy dual-stage controller for basic applications

Technical Specifications

Relay Outputs	2
Relay Rating	10A/250VAC

Operating Temp	-10 to 50°C
Storage Temp	-20 to 60°C

Terminal	Function	Type	Wire Color
L	Power L	Input	brown
N	Power N	Input	blue
S1	Sensor +	Input	red
S2	Sensor -	Input	white
R1	Relay 1 NO	Output	black
C1	Relay 1 COM	Output	black
R2	Relay 2 NO	Output	orange
C2	Relay 2 COM	Output	orange

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

Code	Parameter	Range	Default	Description
SP1	Setpoint 1	-50 to 105	5 °C	Stage 1 setpoint
Hy1	Hysteresis 1	0.1 to 30	2 °C	Stage 1 differential
SP2	Setpoint 2	-50 to 105	10 °C	Stage 2 setpoint
Hy2	Hysteresis 2	0.1 to 30	2 °C	Stage 2 differential
Ofs	Offset	-10 to 10	0 °C	Probe calibration
Cd	Comp Delay	0 to 30	3 min	Minimum off time
Hc1	Mode 1	0=Cool, 1=Heat	0	Stage 1 mode
Hc2	Mode 2	0=Cool, 1=Heat	0	Stage 2 mode