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Circuit board HA-C5
Electrical connections
S541
RS-485 bus
Only for precipitator: communication to the
high voltage unit
S542B
CAN Bus
to circuit board [GM-C]: terminal [S508B]
S543
PWM output / analogue output
Target speed of the boiler pump
S544
24 V input
Door contact switch, insulation door
S545
24 V input
Position sensor for stoker screw
S546
24 V input
Fill level sensor in pellet hopper
S547
24 V input
Heat exchanger cleaning monitor
S548
24 V input
Position sensor for grate
S549
Analogue input
Water pressure sensor
S552
Pulse input
Actual speed of the draught fan
S553A
24 V supply
from mains
S553B
24 V supply
to circuit board [GM-C]: terminal [S512]
S555 AI
Analogue input
Firebed level sensor
S555 DI
24 V input
S556 AI
Analogue input
Flow rate sensor
S556 DI
24 V input
S557
Analogue output
Target speed of the draught fan
S558 T1
Temperature input
Boiler
S558 T2
Temperature input
Return
S558 T3
Temperature input
Flue gas temperature sensor in heat exchanger
S558 T4
Temperature input
Flue gas temperature sensor on flue gas connector
S558 T5
Temperature input
S558 T6
Temperature input
S570
Analogue input
Lambda probe
X29
RS-485 bus terminal resistor
X37
Jumper
for analogue input to terminal [S555]
(without jumper: 0-10 V; with jumper: 0-20 mA)
X38
Jumper
for analogue input to terminal [S556]
(without jumper: 0-10 V; with jumper: 0-20 mA)
X49
CAN-Bus terminal resistor
These terminals have already been pre-wired at the factory:
Terminal
Function
Default assignment
Summary of Contents for 13180 LP-D
Page 1: ...2020 04 21 EN 0000000475 V 006 5402 00 939091 002 Pellet boiler ePE K 180 240 kW Installation ...
Page 33: ...Buffer storage tank Connection between multiple buffer storage tanks 33 ...
Page 55: ...Installation Network connection 55 ...
Page 61: ...Electrical connections Overview of circuit boards 61 ...
Page 65: ...Electrical connections Circuit board HA C5 65 ...
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Page 86: ...www eta co at ...
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Page 88: ...www eta co at www eta co at downloads DOWNLOAD ...