E.C.A. CA 24 BB - Page 33

T.able 7
24W/ModBit 28W/ModBis
NatwaiGos
Malt opera!fng GO' pnMII.lnt (mbclr) 11.2 11.3
Mn.. ope~ GCH pr...e (l'nbG)
1.3
1,2
LPG
Malt operaffng go$ p!eNUfe (mbclr)
28/36
28/36
Mn.. operaltlg gas pr-.e (l'nbG)
3,3/4,1 3,4/4,2
• Firstly, operate tile bollar at maldmum locxl while adjusftlg mmdmum oparatfng pressure and
operate the boller at minimum 1ocx1 wtllle ~LIItfng mmmum operallng pcesaure.
- lhlo the 2 liCfeWS which are located on the lower edae to remove the front panel.
• lkldo the 2 .aewa which are lo<XIted on the com era ol the control panel.
- P~l tile con!TOI ~ outwc.as to reach the gas varve.
Muimum operating pi'SSute adjustJtte.tt:
- Operate !he boiler at maxtmum locxl.
·Connect tile !\me of a clocking gas mater to outlet pressure tap whose cia mater Is =9 mm
(fig.
28) after loosening tile tap'S actew.
- Rwrlo'l& cap scKWt from rnaldmum pres$Ure regulator to GlCPOS& pressure reg~ ~usment
ac::KWt wtllch lll188n aa (2) In flg. 28.
-
rum the adjustment scKWt clockwise to lncreaae 01 counter-<:lo<:tcW!se to dea'ealle gas tloW
to the burner.
• cttec:k gas praawra maaauramanta on tile gaa malar to satisfy the desired vakle.
In
LPG operation, tile ~umnent taeW (2) It tightened 10 the end for 28/36 auPf)IV pressure.
Minimum operating pressure adj1161menf:
- Operate !he boiler at mwmum load.
-Connect
the 1\.t)e of a clocking gas meter to the outlet pressure tap.
·Tum the adjustment scKWt wtllch Ill teen aa (1) In flg. 28 counter-clockwise to Increase 01
clock.Wise to decrease QG$ flow 10 !he burner.
·Check gas pressure measurements on the gas mater to sat1stv the desired vakle.
- Ensure that the top 'a 8CfeW Ia tightened after mal*tg the adJustments.
- Replace pl'$$$1.1'e regulator cop $CIVW.
• Reassemble the front pm~el and the control panel.
(1) Mechanical Mi ni mum Adjustment
Gas Inlet
~
fig.28
33