Biddle HR 25 - Page 67

HR MANUAL SERVICE
Manual version 4.1 (26-07-2018)
en-67
en
3. Loosen the screws of the clamping strips so as to allow the
strips to
drop down slightly 3.
4. Remove the air separation plates:
-Unscrew bolts 4 and 5.
- Extract the plates.
5. Extract the plate heat exchangers:
- Via the side: 6.
- Via the underside: 7.
6. The last exchanger is located behind the by-pass valve.
Make room in order to extract the exchanger:
- Open the value of the by-pass 8.
- Unscrew the valve motors from the valve 9.
- When extracting via the underside:
Push the by-pass slightly to the side.
- When extracting via the side:
Disconnect the cables located on top of the by-p
ass
and
extract the by-pass via the underside of the unit.
- Extract the last exchanger.
7. Clean the plate heat exchangers by spraying water through
them.
8. Return all components to their places in reverse order.
Note:
n Tighten the screws/bolts of the air separation plates
and the clamping strips again, so that the exchangers
are clamped fast and no air leaks can arise.