Argo AT2045 User Manual

12
ELECTRICAL CONNECTIONS
Figure 7 - Wiring on Control Board Figure 8 - Low Voltage Wiring on Control Board
Control Inputs (NEC Class-2 Low Voltage)
R (T)
Comfort Heating – Thermostat Input (R W C) or zone valve end switch (R W), Dry Contact Close R-W Activation,
24Vac R-C
W (T)
C
DHW Domestic Hot Water – Thermostat Input. Dry Contact Close Activation DHW – DHW
ODT Not Used
*LMC Load Management Control Input. Dry Contact Normally Close LMC – LMC
HL High Limit Input (Factory Installed)
*FLO Flow Switch Input – Installer Supplied. Dry Contact Normally Close FLO – FLO
*LWC Low Water Cutoff Input – Installer Supplied. Dry Contact Normally Closed LWC –LWC
WT Water Temperature Sensor Input (Factory Installed)
Control Output (NEC Class-2 Low Voltage)
T Aux Auxiliary Heating Appliance Thermostat Connection
*Factory Jumper Installed
System Pump Connection (120Vac 60Hz, 1ph, 5A
1/6 hp Max)
C1 Pump Hot (L1)
C2 Pump Neutral (N)
G Pump Ground (G)
PUMP
POMPE
G
L1
G N
C1 C2
N N L
24
COM
L
VAC
FUSE
5A
ELEMENT 3
R (T)
W (T)
C
DHW
ODT
ODT
LMC
DHW
DEMAND
PUMP
POMPE
ELEMENTS
ÉLÉMENTS
LMC
T Aux
T Aux
HL
HL
FLO
LWC
LWC
WT
FLO
WT
CONTROL
BOARD
CIRCUIT DU TABLEAU
FUSIBLE
ÉLÉMENT 3
ELEMENT 4
ÉLÉMENT 4
ELEMENT 2
ÉLÉMENT 2
ELEMENT 1
ÉLÉMENT 1
DEMANDE
DE COMMANDE
System Pump
Connection
Low Volt Connections
WT
R (T)
W (T)
C
DHW
ODT
ODT
LMC
DHW
LMC
T Aux
T Aux
HL
HL
FLO
LWC
LWC
WT
FLO

Argo AT2045 Specifications

General

Brand	Argo
Model	AT2045
Category	Boiler
Language	English