3
4
5
3
7
1
2
6
Fig. 18. Cleaning the Condensate Pipe and Trap
I-47
A-070336_EN • Rev. A
M
aintenance
Cleaning the Condensate Pipe and Trap
Conditions:
Tools and material:
î
Wrench, hex head, size 5
î
Torque wrench
Procedure:
1.
Disconnect connector from condensate level
switch (
7
).
2.
Disconnect the condensate pipe (
1
) between
heat exchanger and condensate trap (
6
).
3.
Clean the pipe. Retain for reinstallation or re-
place as required.
4.
Disconnect the vent hose (
2
) between the
heat exchanger and the condensate trap.
Retain for reinstallation.
5.
Check that the heat exchanger condensate
outlet and the condensate trap inlet are not
clogged. Clean as required.
6.
Release two screws (
3
) and open the con-
densate trap cover (
4
). Retain cover and
hardware for reinstallation.
OFF
7.
Remove the cover gasket (
5
). Discard.
8.
Wipe clean the condensate level switch (
7
)
attached to the cover. Remove and replace
as required.
9.
Clean the deposits in the condensate trap (
6
)
using clear water and a cloth.
10. Wipe the ball located above the exit pipe.
Make sure to put the ball back in
place in the trap before reinstalling
the cover.
11. Install a new gasket (
5
) on the condensate
trap (
6
).
12. Reinstall the cover with two retained screws
(
3
). Torque the screws at 6 Nm.
13. Reconnect the vent hose between the heat
exchanger and the condensate trap (
6
).
14. Reconnect the condensate pipe to the con-
densate trap inlet and heat exchanger con-
densate outlet.
15. Reconnect the connector to the condensate
level switch.
Follow-on tasks:
None
i