5
Wiring Diagram Legends
1.
Bold lines indicate action to be taken in Step shown.
2.
Grey lines indicate existing wiring.
Feeder Model
LWCO Model
Diagram Number
Page
WF2-U-24
PS-802 with burner wiring harness
1
6
WF2-U-24
PS-802 with burner terminal connections
1
6
WF2-U-24
67 w/24 volt burner circuit
4
7
WF2-U-24
67 w/120 volt burner circuit
6
7
WF2-U-24
67G (millivolt burner circuit)
9
8
WF2-U-120
PS-801 with numbered terminals
2
6
WF2-U-120
PS-801 with lettered terminals
3
6
WF2-U-120
67 w/24 volt burner circuit
7
8
WF2-U-120
67 w/120 volt burner circuit
5
7
WF2-U-120
67G (millivolt burner circuit)
8
8
WF2-U-24
Hydrolevel 400
10
9
WF2-U-24
Hydrolevel CG400
11
9
WF2-U-120
Hydrolevel 450
12
9
WF2-U-120
Hydrolevel CG450
13
10
WF2-U-120
Hydrolevel CGT450
14
10
WF2-U-24
Honeywell LWCO (24 volt)
15
10
WF2-U-120
Honeywell LWCO (120 volt)
16
11
WF2-U-24
TACO LWCO (24 volt)
18
11
WF2-U-120
TACO LWCO (120 volt)
17
11
Wiring Diagram Selection Chart
Do not use automatic water feeders with manual
reset LWCO's. Failure to follow this warning could
cause flooding, property damage, personal injury
or death.
WARNING
Unless otherwise noted, water feeder voltage
should be the same as the LWCO and burner
circuit voltage.
NOTE
Before connecting water feeder, operate boiler and
check all safety devices.
NOTE
Based on the water feeder and low water cut-off combination you are installing, select proper wiring
diagram and proceed to that page.
