6
2.7 SOLARSMART 100 SYSTEM SCHEMATIC
Alpha SolarSmart 100 - Technical Data
Fig. 1
1 Solar collector
2 Collector temperature sensor
3 Drain back unit (DBU)
4 DBU pump
5 DBU heat exchanger
6 Solar cylinder
7 Control unit
8 Temperature sensors
9 Solar cylinder pump
10 Temperature and pressure relief valve
11 Expansion vessel
12 Immersion heater boss (use Alpha immersion kit only)
13 Drain point for cylinder
14 Pressure relief valve
15 Inlet filter
16 Pressure reducing valve
17 Tundish
18 Isolation valve
19 Boiler inlet sensor
Cold water inlet
Hot water
from DBU
Cold water
to DBU
Alpha InTec boiler
2
1
6
4
3
5
10
11
13
17
18
16
19
14
12
15
8
8
7
9
Warm water
to boiler inlet
Cold water supply if using
thermostatic mixing valve
Hot water
to taps
Thermostic
mixing valve
(recommended but
not supplied)
