05/2009 - Art. Nr. 4200 1017 4400A
5
Installation
Assembly
Boiler front
• Prepare the burner front as shown in
the annexed diagram of space
required.
• If necessary set up a backing plate for
the burner front (option).
• Pack the space
1
with a fire-resistant
material recommended or provided by
the boiler manufacturer.
Do not block the burner pressure tap
pF
.
Combustion head
• Position the combustion head so that
the gas train is connected horizontally,
from the
right
.
• No other assembly positions are
authorised.
• Assemble and affix the combustion
head with its gasket to the boiler front.
• Check subsequently for leaks
Gas train
• Check the seal is fitted and correctly
positioned on the collector flange
B
.
• Position the support PG 21 (diagram).
• When fitting the gas train, the valve
coils must be in the
vertical top
position
.
Important
When using a VGD gas train fitted on the
left, the SKP75 regulator must be
pivoted 180°. In order to do this:
• Remove the SKP75 regulator.
• Remove the connector (3P+T) on the
side of the regulator, and refit it on the
opposite side.
Block the old connector housing.
• Refit the regulator after pivoting it by
half a turn (180°).
en
Burner body
• Attach the burner body to the burner
head using the fixed spindle
F
opposite the gas train.
• Connect:
- The two ignition cables to the
transformer.
- The wire marked by a yellow tag, on
the ionisation probe cable.
• Close the burner body with the mobile
spindle
E
.
• Insert the safety screw
D
.
Connection of gas pressure connectors
• Link the valve connection
pF
to the
identified connection
pF
on the
combustion head with two pre-formed
reversible pipes (right - left) which are
coupled by a connection (see
diagram).
• Crimp the rings on the pipes.
• Link the pipe marked
pL
to the
pL
connection on the valve.
• Tighten the nut by hand.
• Check subsequently for leaks.
Fitting the leak testing device
VPS 504 S02
Gas valve VGD20
• Remove the two caps
3
and
4
on the
VGD20 valve.
• Assemble the elements provided
according to illustrations opposite.
When fitting the hydraulic block, take
care of the flow direction.
• Fit the VPS504 on the connection
adapter
D
using the four delivered
self-tapping screws.
• Check presence of the O'Rings on the
leak controller.
• Connect the 7P connector to the VPS.
• Check tightness.
Gas valve VGD40
• Remove the two caps
1
and
2
on the
VGD40 valve.
• Check presence of the O'Rings on the
VPS.
• Fit the VPS using the four delivered
self-tapping screws.
• Connect the 7P connector to the VPS.
• Check tightness.
VGD 20 VGD 40
VGD 20
VGD20
Содержание ES08.5200 G/F-VT
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