18
Chapter 2
COMPONENT DESCRIPTION
CS 3.1
Electronic control unit with 3 probes and one relay output for the solar pump.
CS 3.2
Electronic control unit with 3 probes and 2 relay outputs: 1 for the solar pump and 1 for the boiler
3 TEMPERATURE PROBES
1 OR 2 RELAY OUTPUTS
FUNCTIONS CONTROL
MODERN DESIGN
EASY INSTALLATION
Model
CS 3.1
CS 3.2
Inputs per sensors
4
4
Temperature probes supplied
Pt 1000 x 3
Pt 1000 x 3
Standard relay outputs
1
2
Additional heating
no
yes
Dimensions LxHxD
172 x 110 x 46 mm
172 x 110 x 46 mm
Room temperature
0…40 °C
0…40 °C
Casing material
PC-ABS PMMA
PC-ABS PMMA
Thermostat function
no
yes
Working hour counter
yes
yes
Disconnection safety device
yes
yes
Anti-freeze protection
yes
yes
Tank cooling
yes
yes
fi gure 2.17