24
e
6.18
AIR PRESSURE SWITCH (see fig. 30)
Carry out component removal procedure as
described in 6.4.
Fig. 28: unclip and remove the air chamber cover,
gently pull the cover towards you before lifting
and disengaging (2).
Fig. 30: locate and remove the two screws (6)
holding the air pressure switch to the air chamber.
Disconnect the electrical connections and silicone
tubes (10) attached to the air pressure switch,
noting their positions. Replace in the reverse
order. Ensure all seals are in good condition,
taking care to ensure they are replaced correctly.
6.19
FLOW RESTRICTOR (see fig. 32)
Carry out the component removal procedure as
described in 6.4.
Slacken the cold water inlet pipe (1) at the DHW
flow switch. Disconnect the cold-water inlet pipe
(2) from the DHW heat exchanger and move it to
the side. Using a small screwdriver, gently ease
the flow restrictor (6) from its seating. Replace in
the reverse order. Ensure all seals are in good
condition, taking care to ensure they are replaced
correctly.
6.20
DHW FLOW SWITCH (see fig. 32)
Carry out component removal procedure as de-
scribed in 6.4.
Disconnect and remove the cold water inlet pipe
(1, 2) from the DHW flow switch & DHW heat
exchanger. Disconnect the wiring to the DHW flow
switch. Remove the locking pin (3) from the DHW
flow switch and lift the DHW flow switch housing
from its seating, taking care not to lose the float
contained within the housing. Replace in the
reverse order ensuring that the housing is firmly
inserted onto its seating. Ensure all seals are in
good condition, taking care to ensure they are
replaced correctly.
6.21
DHW HEAT EXCHANGER
Carry out component removal procedure as
described in 6.4.
Locate and remove the screws (1) that secure
the heat exchanger to the DHW manifolds.
Carefully remove the heat exchanger from its
location taking care not to spill any residual water.
Replace in the reverse order ensuring that the
heat exchanger ‘O’ ring seals are correctly
Fig. 32
Fig. 33
Fig. 34
Fig. 35
inserted into the DHW manifolds. Ensure all seals
are in good condition, taking care to ensure they
are replaced correctly.
If necessary remove the condense trap as
described in 6.29.
6.22
VALVE ACTUATOR (see fig. 34)
Carry out component removal procedure as
described in 6.4.
Remove the locking pin (1) that secures the
actuator to the heating manifold. Disconnect the
electrical plug (2) from the actuator. Replace in
the reverse order.
6.23
DIVERTOR VALVE ASSEMBLY (see fig. 35)
Carry out component removal procedure as
described in 6.4.
Remove the valve actuator as described in 6.22.
Locate and remove the 5-screws (2) that secure
the valve housing cover to the heating manifold.
Gently prise the valve seating assembly and
cover (3) from the manifold. Replace in the
reverse order ensuring that the seating assembly
is inserted properly. Ensure all seals are in good
condition, taking care to ensure they are replaced
correctly.
Содержание syntesi e series
Страница 1: ...Installation Servicing Instructions THESE INSTRUCTIONS TO BE RETAINED BY USER e...
Страница 51: ......