Dunkirk Helix VLT Vertical Laser Tube, Wall Hung Modulating Condensing Boiler - Manual (Page 67)

67
14 - WIRING DIAGRAM
14.4 Schematic Diagram of Ladder Form - 150/200/299 MBH
LADDER DIAGRAM
LIGHTED
POWER
SWITCH
J5-2
J5-11
J5-3
J5-12
J5-4
J5-13
J5-5
J5-14
J5-6
J5-15
J5-7
J5-16
J5-8
S4
J18-1
J18-2
J16-1
J16-4
J16-8
J16-7
J16-3
J16-2
J12
T2
J13-2
J9-1
J9-2
J9-6
J9-7
J9-5
J9-4
J9-3
J13-5
J13-6
J13-3
J13-4
J7-4
J7-2
J7-1
J7-3
J6-1
J6-3
J6-2
J4-1
J4-2
J4-3
J4-4
J2-1
J2-2
J2-3
J2-4
J13-1
N
L
N
L
L
DHW PUMP
120 VAC
GAS VALVE
FAN
120VAC
PE
DC+/L
+
DATA/PWM
HALL
GND
DC-/N
GROUND
FLAME SENSOR
IGNITION LWCO
CH
THERMOSTAT
USER
INTERFACE DISPLAY
ARGUS LINK /
MULTI BOILER
(OPTIONAL)
ARGUS LINK
POWER
ON
OFF
SUPPLY
SENSOR
RETURN
SENSOR
DHW
THERMOSTAT
FLUE
SENSOR
OUTDOOR
SENSOR
SYSTEM
SENSOR
(OPTIONAL)
L
L
N
G
N G
ARGUS
CONTROL
J5-9
J5-1
J5-10
J16-5
J16-6
LIMIT
120V / 24V, 15VA
TRANSFORMER
LWCO
24 VAC
1 2
4 3
4 2
1 3
BURNER
G
CH PUMP
120 VAC
HEAT EXCHANGER
TEMPERATURE SWITCH
4 3
1 HEAT EXCHANGER PUMP
RELAY 120 VAC
5
L
N
HEAT EXCHANGER
PUMP 120 VAC
G
N
G
G
L
L
L
L
DHW PUMP
RELAY 120VAC
CH PUMP
RELAY 120VAC
J13-3
J13-4
GAS VALVE
GAS VALVE WIRING FOR
150 / 200 MBH BOILERS