ELTRA ONH-2000 - 4.2 Wiring Diagrams Overview

 2002 by ELTRA GmbH Germany – January 2002 – Service Manual OH 900 / ON 900 / ONH 2000
4.2-1
4.2
4.2
Wiring diagrams
32A
4A
1000A
br
bl
sw
bl
br
sw
rt
gr
bl
or
br
0V
400V
El e ct ron ic
dr a w
Setting 2
Carrier
gas
stop
Setting 1
12044
230V
Pri
Sec
8 7
vi sw
6
230VAC
Thyristor
block
24V DC
Mains power switch
RF filter
Solid state
relais on O N21
L2
L3
32A
N
L1
ge/gn
transformer
Furnace
power
Cooling fans
Water
pump
5
34
2
1
Pha se sync hron isation
TC
Cell
IR
Ce ll
Connect blue with brown and black with black (in the power plug)
Connect phase transformer to 230V
Use 1000A power transformer with 230V primery coil
For 230V AC (single phase) operation:
Phase
transformer
32066
PW13
16100
NK31
Gas pump
0 9 2 7 0
NR32
15038
GND
-15
+15
24VAC
sw
blue
brown
yellow
grey
green
orange
pink
red
black
violett
white
bl
br
ge
gr
gn
or
rs
rt
sw
vi
ws
ON/OH-900, ONH-2000 Simplified wiring diagram
32012
33 5 0 0
o u t
i n