Rinnai Q85SN Installation & Servicing Instructions Manual page 66

8
7
Siphon figure 41
13
14
12
11
Condensate tray figure 42
!
DANGER
Clamping rods figure 43
!
DANGER
!
WARNING
!
WARNING
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Condensate trap and condensate tray (fi gure 41-43) (2 and 4 year maintenance)
Step 1: Condensate trap
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- First remove the condensation cup (7);
Check this for impurities. If there is not a lot of impurities it is not necessary to
clean the condensate tray (Go to Step 3). If there is a lot of impurities in the cup
it is necessary to remove and clean the condensate tray according Step 2;
- Remove the inner trap pipe (8) which remains in the condensate tray;
- Check the O-rings of the cup as well as those from the pipe and replace if necessary;
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- Clean both parts by fl ushing with clean water;
- Grease the O-rings again with acid free O-ring grease to make fi tting easier;
- If there is a leak at the condensation cup (7) or tray (9) the complete condensate
trap unit (10) has to be replaced by # 809000054;
Step 2: Condensate tray
- Remove the plug from the fl ue gas sensor if present;
- Turn the two short clamping rods (11 and 12) ¼ turn and remove them by pulling
them forward; Note the correct turning direction (red indicator, fi g. 43);
- Lift the exhaust pipe (13) out of the condensate tray (14);
- Press the condensate tray (14) carefully downwards and remove it by pulling it forward;
- Replace the gasket between condensate tray and heat exchanger with a new one;
- Clean the condensate tray with water and a hard brush;
- Check the condensate tray for leaks.
Step 3: Refi tting is done in reverse order.
Note that all gaskets seal completely.
Make sure that during refi tting the clamping rods are put in the right position.
They should be turned vertical.
If the boiler should activate with clamping rods in the wrong position it will
cause property damage, personal injury or loss of life.
Put the boiler into operation and check the O
If replacement of new gaskets and burner mentioned in this chapter is not done
within the service interval subscribed by Rinnai the boiler can be damaged and
may cause property damage, personal injury or loss of life.
Use only original spare parts supplied by Rinnai. If non approved parts are used
the boiler can be damaged and may cause property damage, personal injury or
loss of life. Use of non-Rinnai parts will result in the voiding of the limited warranty.
Do not use substitute materials. Use only parts certifi ed with the appliance.
(see chapter 13.3).
2