8
Functional characteristics
Heating range 25–45°C
Set point regulation
DHW production range 42–60°C
Optional functions
Domestic cycle:
- DHW pre-heating function
Heating cycle:
- modulating temperature regulation
with compensated set point
- floor slab heating function
Factory settings
Characteristic components
2
1
3
4
7
5
6
9
14
10
12
11
13
15
17
8
10
16
18
1
2
3
4
5
6
4
ON
1. Frame
2. Electronic regulator
3. Thermal safety relief valve
4. Heating mixing valve
5. DHW production modulating valve
6. Heating flow temperature probe
7. Thermal safety thermostat
8. DHW temperature probe
9. DHW heat exchanger
10. Drain cock
11. Flow temp. compensation return probe
12. Pump UPM3 15-70
13. DHW priority flow meter
14. Protective pump by-pass
15. Heat meter spacer template
16. Air vent cock
17. System strainer/heat meter flow probe pocket
18. Primary circuit shut-off valves
SATK20
103HE
LOW temperature heat interface unit with high efficiency pump
Functional characteristics
Heating range 45–75°C
Set point regulation
DHW production range 42–60°C
Optional functions
Domestic cycle:
- DHW pre-heating function
Heating cycle:
- modulating temperature regulation
with compensated set point
2
1
3
4
5
7
12
8
9
11
13
15
6
14
16
10
1. Frame
2. Electronic regulator
3. Heating mixing valve
4. DHW production modulating valve
5. Heating flow temperature probe
6. DHW temperature probe
7. DHW heat exchanger
8. Drain cock
9. Flow temp. compensation return probe
10. Pump UPM3 15-70
11. Protective pump by-pass
12. DHW priority flow meter
13. Heat meter spacer template
14. Air vent cock
15. System strainer/heat meter flow probe pocket
16. Primary circuit shut-off valves
SATK20
203HE
MEDIUM temperature heat interface unit with high efficiency pump
Characteristic components
Factory settings
1
2
3
4
5
6
4
ON
*
* see page 13
