Gas Connection; Electrical Connection - Cuenod C 120 Instrucciones De Montaje

Installation
Gas and electrical connections

Gas connection

Connection of the gas distribution
system to gas manifold must be
performed by a qualified technician.
Pipe section must be calculated so that
load loss does not exceed 5% of
distribution pressure.
External filter must be horizontally
mounted on valve with a clean tube
and the cover placed in a vertical
position to guarantee maintenance.
Any other assembly is forbidden.
The ball valve (not supplied) must be
mounted upstream and as close as
possible to the external filter or valve
(pocket filter). Threaded fittings used
must comply with current standards
(tapered external thread, parallel
internal thread) and all threads
rendered leak-proof.
Allow enough space for access to set
the gas pressure switch.
Pipes must be drained upstream of
the ball valve.
Connections performed in situ must be
leak-tested using foam designed for
this purpose.
No leakage should be detected.
1
2
30

Electrical connection

Electrical fittings and connections must
meet required standards.
Earth must be connected and tested.
See electrical diagram in order to
connect burner and regulator.
On delivery, the burner must be
powered :
for control circuit :
–
230V-50Hz single-phase with
earthed neutral wire;
for power circuit :
–
400V-50Hz triphase.
The fan motor starts up automatically.
Triphase 230V-50Hz operation requires
the following : changing motor coupling,
as well as contactor thermal relays and
using a 1000VA isolating transformer
on control circuit (not supplied, please
consult us).
Please consult us for other voltages
and frequencies.
Gas manifold
· Connect electrical plate standby
points on valve.
Gas pressure take-off connection
· Remove stops pF and pL located
on strut.
· Fit, with a certified product, both
linked connections with pressure
tubes pF and pL.
· Link valve and strut with
corresponding pF and pL tubes for
a right-hand gas manifold or other
"left "-marked pF and pL tubes for a
left-hand location.
Check for possible leaks.
Leakage controller VPS 504 S02
assembly
For burners C160, C210
· Remove both valve screws pa and
pe on the MBVEF valve, the two
screws 1 and 2 on the VGD.
· Check that both O-rings are on
VPS.
Q
· Fit VPS with the four supplied
screws.
· Connect 7P connector cord,
according to electrical diagram
· Connect 7P connector on VPS.
· Check for possible leaks.
05/2006 - Art. Nr. 13 013 500B
Q With a VGD20 valve : proceed as
indicated in previous paragraph, then :
· Fit the tubes and the
connection-bloc supplied
· Fix the VPS on the connection-bloc
with the 4 supplied screws
· Proceed then as indicated in the
previous paragraph.
Important :
· Place C160 front plate (stored with
documentation, instead of C120 to
be thrown away) on cover.