Danfoss

ERC 214

ERC Series • HVAC Controller

Type HVAC

Application FCU

Probe Inputs 2

Relay Outputs 4

Communication RS485 Modbus (optional)

Panel Size 86x86 mm

R1 Fan Low/Med/High

R2 Valve Heat

R3 Valve Cool

R4 Aux

Electronic room controller with weekly timer

Technical Specifications

Relay Outputs	4
Relay Rating	5A/250VAC

Operating Temp	0 to 50°C
Storage Temp	-20 to 70°C

Terminal	Function	Type	Wire Color
L	Power L	Input	brown
N	Power N	Input	blue
S	Remote Sensor	Input	red/white
Fan L	Fan Low	Output	green
Fan M	Fan Medium	Output	yellow
Fan H	Fan High	Output	red
V1	Valve Heat	Output	orange
V2	Valve Cool	Output	blue
AUX	Auxiliary	Output	white
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
r01	Comfort Setpoint	10 to 35	22 °C	Occupied setpoint
r02	Eco Setpoint	10 to 35	18 °C	Unoccupied setpoint
r03	Differential	0.5 to 5	1 °C	Control differential
t01	Schedule 1 On	00:00 to 23:59	06:00	Weekday on time
t02	Schedule 1 Off	00:00 to 23:59	22:00	Weekday off time
t03	Schedule 2 On	00:00 to 23:59	08:00	Weekend on time
t04	Schedule 2 Off	00:00 to 23:59	20:00	Weekend off time
F01	Fan Mode	0=Auto, 1=Manual	0	Fan control mode
o01	Operating Mode	0=Heat, 1=Cool, 2=Auto	2	System mode