LAARS Newport - Installation, Operation and Maintenance Instructions - Manual (Page 10)

Page 10
LAARS Heating Systems
Figure 6. Wiring diagram.
Power supply provides disconnect means & overload protection as required.
24V
Room Thermostat
1K
L1 (Hot)
Power Supply
120V
L2
Circulator
Switch
Low Limit
Circulator
Hi Limit
1K2 Oil Burner
Relay
Heating Circulator
AQUASTAT RELAY L8124A
1K1
WIRING ARRANGEMENT FOR “NP” BOILER
CONTROLLING OPERATION OF BOILER AND CIRCULATOR
OUT OF
PRODUCTION