oxycom IntrCooll Std. Manual page 34

34
- Alternatively, an automatic aerator can be considered to install for winter
draining.
- Install a maintenance valve and connection near the unit, for service/
maintenance reasons (i.e. water supply for pressure washer).
Supply connections schematic overview
1 Shut-off valve
2 Back-flow preventer
3 2-way valve for winter with positions: close - operation / open - winter (drain)
4 2-way valve for winter with positions: open - operation / close - winter
5 Accessory: Freeze protection valve set (art. 5301085)
6 Filter 0.1 mm (not necessary in combination with R0 installation)
7 Booster pump (optional)
8 Central water meter (optional)
9 Insulate pipework and place on slope
10 Maintenance valve with water tap
11 Shut-off valve with positions: open - operation / close - winter (drain)
12 Automatic aerator (optional / winter)
13 SS flexible hose 3/4 "
14 No drinking water
15 Drinking water