INSTALLATION INSTRUCTIONS
56
Diverter valve
(see fig. 1)
Replacing the motor
Unscrew the fixing screws securing the transparent cover of
the diverter valve and remove the cover;
Unscrew the two motor fixing screws and disconnect the
wires;
Replace the motor and re-assemble the components
following the above procedure in reverse order;
Replace the motor and re-assemble the components
following the above procedure in reverse order;
Replacing the diverter valve
Close the shut-off valves and drain the central heating circuit
of the water heater;
Disconnect the joints securing the valve to the pipes;
Replace the valve body and re-assemble the components
following the above procedure in reverse order;
Switch on the electricity, water and gas supplies and fill the
system with water. Check for any leaks from the joints and
bleed off any air from the circuit. Restart the water heater.
Modulating circuit board
(see fig. 2-3)
Open the control panel
(see 6.4
“Accessing the boiler”);
Disconnect all the connectors, remove the
regulating knobs, unscrew the four fixing screws and remove
the modulation circuit board;
Replace the circuit board and re-assemble the
components following the above procedure in reverse order;
Switch on the electricity, water and gas supplies
and regulate the water heater
(see
5.3 “Gas data”)
;
Replacement modulating circuit boards must be
programed to the correct parameters before starting
the appliance. Refer to section 5.1 parameters table.
Electric fan circuit board
(see figs. 2-3)
Open the control panel
(see 6.4
“Accessing the boiler”)
;
Disconnect the two connectors from the circuit board,
unscrew the two fixing screws and remove the board;
Replace the circuit board and re-assemble the components
following the above procedure in reverse order;
Switch on the electricity, water and gas supplies.
electric fan circuit board
modulation circuit board
Fig. 2
electric fan circuit board
modulation circuit board
Fig. 3
diverter valve motor
Fig. 1
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Страница 9: ...GENERALInformation 6 ING ...
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Страница 25: ...INSTALLATION INSTRUCTIONS 22 3 6 Piping Diagram ...
Страница 33: ...INSTALLATION INSTRUCTIONS 29 Venting Pictures Illustrations ...
Страница 34: ...INSTALLATION INSTRUCTIONS 30 Included With Each Combination Water Heater Is A PAHVK Horizontal Kit ...
Страница 63: ...INSTALLATION INSTRUCTIONS 59 6 8 Wiring diagrams ...
Страница 69: ...65 6 13 Sequence of operations ...
Страница 70: ...66 Pensotti LLC 34 Coffin Ave Brewer ME 04412 P 207 942 3636 F 207 942 3737 www pensottiboiler com ...