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10.7 Disassembling heat
exchanger
The following work has to be carried out, if the heat exchanger has to be fully dis-
assembled:
Note:
The gas burner must be removed (see section
Removing the gas burner
).
1. Close shut-off valves of flow and return.
2. Drain off boiler water
3. Loosen plugs of boiler sensors (flow and return).
4.
Loosen screw connectors of flow and return (
1
and
2
) at the heat exchanger
(flat seal)
5. Remove auto-de-aerator.
6. Pull off cable from water pressure monitor.
7. Undo fitting at the pump replacement pipe and remove the pipe
8. Paramount three 60: Remove return pipe.
9. Paramount three 60: Pull off plug from gas valve, loosen and disassemble gas
valve.
10. Paramount three 95/115: Remove the connection line between the heat ex-
changer and the collecting tray
11. Paramount three 95/115: Push the slide coupling on the flue pipe upwards
12. Loosen nuts at collecting tray, remove yoke and disassemble collecting tray.
13. Loosen nuts of holding sheet at the rear wall, lift heat exchanger from the rear
wall and take out.
14. For cleaning the heat exchanger, rinse with soft water jet (without additives).
10.8 At the end of the
maintenance work
- After finishing the cleaning work, re-install heat exchanger and burner.
- Check the nominal heat load and exhaust gas values.
Maintenance
124
Paramount three 30-115 kW
396532 05.11
Summary of Contents for Gas condensing boiler
Page 1: ...Installation operation and maintenance manual Gas condensing boiler Paramount three 30 115 kW ...
Page 21: ...Fig 5 Connection plan Prior to installation 396532 05 11 Paramount three 30 115 kW 21 ...
Page 24: ...4 8 Legend Prior to installation 24 Paramount three 30 115 kW 396532 05 11 ...
Page 133: ...Space for notes 396532 05 11 Paramount three 30 115 kW 133 ...
Page 134: ...Space for notes 134 Paramount three 30 115 kW 396532 05 11 ...
Page 135: ...Space for notes 396532 05 11 Paramount three 30 115 kW 135 ...