Rotex GSU 320 - 2 Product Description; Design and Components of Boiler

2 x Product description
7
BA ROTEX GSU - 09/2007
2 Product description
2.1 Design and components of boiler
1 Cold water
1)
2 Hot water
1)
3 Hot water charging heat exchanger inflow
4 Hot water charging heat exchanger return flow
5 Heating flow (warm)
6 Heating return flow (cold)
7 Solaris flow
8 Solaris return flow with valve insert
9 Flue gas
10 Air supply
11 Immersion sleeve for storage tank sensor and
Solaris return flow temperature sensor
12 Condensate overflow connection
12a Top filling connection (alternatively: condensate
overflow connection to the front
21 Heating circulation pump)
22 Gas fan burner
23 3-way diverting valve
24 Inflow temperature sensor
25 Return flow temperature sensor
27 Safety valve
28 Connection for diaphragm expansion tank
29 Boiler control panel
30 Control
31 Pressure gauge
32 Silencer hood
33 Retaining screws for silencer hood
34 Supply air hose
35 Filling and draining fitting (KFE cock)
36 Automatic aspirator
37 Shutoff ball valve
38 Thermal insulation tray for boiler body
39 Nameplate with manufacture number
Safety devices
1) Prepares for the installation of gravity brakes to
avoid cooling losses.
Figure 2-1 Components of the ROTEX GasSolarUnit