1. TECHNICAL DATA
Range / accuracy
- 20
200 °С / ± 0.5 °С
Analog inputs
3
RTD Sensors
РТ 1000
Relay outputs
2
K1 – Electric heater
Relay 250 V / 5 А
K2 – Pump
Relay 250 V / 5 А
Options
Triac 250 V/ 2A ; OC за TTL or
SSR 250 V / 10, 20, 40 A
Indication and Keyboard
Display
2 x 8 LCD
Keyboard
Semisensor
Power supply
230 V AC/50 Hz (± 1 Hz)
Environmental Conditions
Operating conditions:
0 ÷ 60 °C / 0 ÷ 80 % rh
Storage conditions :
-10 ÷ 75 °C / 0 ÷ 90 % rh
Dimensions
Overall dimensions (WxHxL)
Wall Mounting Housing
125 х 85 х 58 mm
DIN-rail M36
70x86x57
Box Material:
Wall Mounting Housing
MS C4, Plastic
DIN-rail M36
Noryl VO1550–black base
Lexan 940 – gray upper
Weight
max 450 g
Level of protection:
Wall Mounting Housing
IP65
DIN-rail M36
IP20
SR 03
is designed to solar systems control and boiler temperature control by monitoring
of three temperature channels. It controls two relay outputs (for circulation pump and heater)
depending of differences in temperature at measuring points.
The heater is controlled by temperature set point independently of the pump mode.
Document edition
2020-04-22
2
