37
Maintenance instructions
ENGLISH
A
1...A9
= Services Connector
APM
= Supply Modulating Pump
CMP
= Modulating pump control
DK
= Safety low water pressure switch
E. ACC.
= Ignition electrode
E. RIL.
= Detection Electrode
IG
= Insert BCM
INTC (1) (2) = Switch inhibition
body (1) (2)
M1
= Power supply terminal 230 V
M2
= Power Fans Terminal
M3
= Terminal for safe conection
M4
= Terminal for pressure switch 1
PPD1 (NOT USED)
M5
= Terminal for pressure switch 2
PPD2 (NOT USED)
PF
= Flue gas pressure switch
PPD1 (PV1) = Fan pressure switch (NOT USED)
PPD2 (PV2) = Fan pressure switch (NOT USED)
PR
= Reset button
SMG
= Sensor Flow general
SR (1) (2)
= Heating temperature sensor
module (1) (2)
SRR
= Return temperature sensor
TL (1) (2)
= Safety Thermostat
module (1) (2)
VG
= Gas Valve (1) (2)
VM (A)
= Supply Modulating Fan
SET POINT EMERGENCY = Set point temperature when the boiler is in emergency.
(*) (Resistor value)
C.P.M.G = Modulation Pump Control
(general / System)
eBUS = (outer cascade manager)
PLC / BMS = (supervisor PLC)
ALARM SIGNAL
Collector Pump Control
Summary of Contents for ALKON 115 EXT
Page 10: ...10 2 3 DIMENSIONI VISTA FRONTALE VISTA DA SOTTO VISTA SUPERIORE VISTA LATERALE...
Page 36: ...36 4 5 SCHEMA ELETTRICO DI COLLEGAMENTO PRATICO...
Page 48: ...10 2 3 DIMENSIONS Front view View from below View from above Side view...
Page 57: ...19 E N G L I S H Installation Instructions 120 optional adapters for twin flue systems...
Page 73: ...35 THIS PAGE INTENTIONALLY LEFT BLANK...
Page 74: ...36 4 5 WIRING DIAGRAM...
Page 78: ...40...
Page 79: ...41...
