ELTRA ONH-2000 - Page 179

 2002 by ELTRA GmbH Germany – January 2002 – Service Manual OH 900 / ON 900 / ONH 2000
4.3-52
0.35bar/5.3psi
V2 24VDC
1.5
bar
0.5
0 2 .5
2
1
1143 0
3 0 l /h
D u st
50 l / h
V3
V1
Electrode
impulse
furnace
V5
30l/ h
50l/h
V2
H O
2
C O
2
11435
V3
24VDC
CO CO furnace
2
13-8
PR2
con tro l l ed
15l/h
1,5 bar
22psi
Pressure
switch
reg ulator
Pressure
IN OUT
Gas pump
Carrier gas outlet
22psi
30- 60psi
regulator
Pressure
Carrier Gas Nitrogen
Energised solenoid valve coils.
2-4bar 1,5bar
11390
PR1
V5
gas stop
230VAC
Carrier
black
red
yellow
O N 9 0 0
P u r g i n g m o d e
O x y g e n - o n ly a n a l y s e r
Purge
Purge
Purg e
val ve
V1
0116 0
24VDC