Spheros thermo 231, Руководство по ремонту

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7 Circuit Diagrams Thermo 230 / 231 / 300 / 301 / 350
704
Fig. 703 Automatic Control Circuit with Control Unit 1572D and Switch
4
1
3 3 3 3 3 3
1 Diagnostic connector
3 Pin assignment: Pin assignment 4wire lead 7wire lead
D1 0,75 gr 0,75 rt
D2 0,75 or 0,75 or
D3 0,75 gn 0,75 bl
D4 0,75 br 2,0 br
F1 nicht belegt 2,0 sw
F2 nicht belegt 2,0 rt/ws
4 with connection to terminal 61 auxiliary
Item Nomenclature Remark
A1 Heater
A2 Control unit SG 1572D
B1 Flame sensor observe polarity
B2 Temperature sensor polarity optional
B3 Temperature limiter
B4 Thermostat for nozzle preheating
B5 Thermostat alternative to B3
B6 Thermostat for vertical installation (MV Y1)
E1 Heating cartridge for nozzle preheating
F1 Fuse 5 A flat fuse DIN 72581 part 3
F2 Fuse 25 A flat fuse DIN 72581 part 3
F3 Fuse 25 A flat fuse DIN 72581 part 3
H1 Light operation indicator light
H2 Light flame indicator
M1 Motor combustion air fan
M2 Motor circulation pump
S1 Switch on / off
S3 Switch external trigger circulation pump
Item Nomenclature Remark
S4 Switch power save operation
U1 Igniter box
U2 Igniter electrodes
W1 Wiring harness (1)
W2 Wiring harness (2)
A Plug connections, 6-pole
C Plug connections, 1-pole
D Plug connections, 4-pole
F Plug connections, 2-pole
X1 Plug connections, 6-pole
X2 Plug connections, 2-pole
X3 Plug connections, 8-pole
Y1 Solenoid valve
bl
br
ge
gn
gr
or
rt
sw
vi
ws
Wire colors
blue
brown
yellow
green
gray
orange
red
black
violet
white
Wire gauges
< 7.5 m 7.5 - 15 m
0.75 mm
2
1.0 mm
2
1.5 mm
2
2.5 mm
2
4.0 mm
2
1.5 mm
2
1.5 mm
2
2.5 mm
2
4.0 mm
2
6.0 mm
2