Potterton Paramount 40 Installation, Operation & Maintenance Manual page 34

SECTION 6
PAGE 32
REMOVING HEAT EXCHANGER
Remove Heat Exchanger PARAMOUNT 40
Follow the steps below to completely remove the
heat exchanger:
•
Burner must be removed
•
Close shut-off fitting for flow and return and
drain boiler water
•
Disconnect plug for boiler sensor (flow and
return)
•
Loosen 2 nuts on condensate sump and
remove bracket
•
Loosen flow and
exchanger (flat sealing)
•
Unscrew mounting screw on heat exchanger at
top left and loosen hex. rod (10 mm).
•
Lift heat exchanger from condensate sump and
remove.
PARAMOUNT 60/80
•
Burner must be removed
•
Close shut-off fitting for flow and return and
drain boiler water.
Fig. 11 Electrodes
POTTERTON COMMERCIAL PRODUCTS DIVISION
INSTALLATION, OPERATION AND MAINTENANCE MANUAL
return fittings on heat
•
Disconnect plug for boiler sensor (flow and
return)
•
Loosen flow and
exchanger (flat sealing)
•
Disconnect cable from water pressure switch
•
Unscrew nut at pipe that replaces a pump.
Take out return pipe.
•
Disconnect plug from gas valve, take out gas
valve.
•
Loosen 2 nuts on condensate sump and
remove bracket.
Remove air vent
Unscrew nuts in the metal sheet from the black
casing and lift heat exchanger with metal sheet
from the condensate sump.
•
To clean the heat exchanger, rinse off with soft
water jet (without additives).
•
After completing the cleaning work, reinstall
heat exchanger and burner
•
Check the nominal heat load and CO
values.
PARAMOUNT
return fittings on heat
emission
2