Vent The Circulation Pump Of The Heat Source; Water Charging Circuit; Insulate Hydraulic Connections - Alpha-InnoTec SW 42H3 Operating Manual

7.4 Vent the circulation pump of the
heat source
1. Place vessel for collecting discharging liquid
under the outlet.
2. Undo screw-on cap in the middle of the
circulation pump.
3. Wait until liquid is discharged uniformly.
4.
5. Unscrew the front panel of the module box.
6. Dispose of collected liquid according to the local
regulations.
7. Set system pressure to 1 bar.
18
Subject to change without notice | 83056800dUK – Translation into English of the original German operating manual | ait-deutschland GmbH
7.5
domestic hot water charging
circuit
Drain pipe of the safety valve is connected.
The front panel of the module box is unscrewed.
Ensure that the set pressure of the safety valve
is not exceeded.
1. If installed: Flush the domestic hot water
charging circuit for approx. 1 minute.
2. Flush heating circuit thoroughly, until no more
air is discharged.
3. Unscrew the front panel of the module box.
8 Insulate hydraulic
connections
1. Insulate heating circuit
according to the local regulations.
2. Open shut-off devices.
3.
4. Insulate the internal piping of the module box
with the insulation material from the separate
5. Insulate external piping on site.
6.
7. Insulate heat source so that it is vapour-diffusion
tight.
8. Insulate the heating circuit of units with cooling
vapour-diffusion tight too.
and heat source