ELTRA ONH-2000 - Page 178

 2002 by ELTRA GmbH Germany – January 2002 – Service Manual OH 900 / ON 900 / ONH 2000
4.3-51
0.35bar/5.3psi
V2
24 VDC
1 . 5
b ar
0.5
0 2. 5
2
1
11430
30 l/ h
Du s t
Purge
valv e
5 0 l/ h
V3
V1
Electrode
impulse
furnace
V5
30l/h
50l/h
V2
H O
2
C O
2
Measure
11435
V3
24 VDC
CO CO furnace
2
13-7
PR2
cont r o l l e d
15l/h
1,5 bar
22psi
Pressure
switch
regulator
Pressure
V1
01 16 0
IN OUT
Gas pump
Carrier gas outlet
22psi
30-6 0p si
regulator
Pressure
Carrier Gas Nitrogen
Energised solenoid valve coils.
2-4ba r
1,5bar
O N 9 0 0
A n a l y s i s m o d e
O x y g e n - o n l y a n a l y s e r
11 390
PR1
V5
gas stop
230VAC
Carrier
black
red
yellow