Xylem McDonnell & Miller Uni-Match WF2 Series - Page 7

7
WNH
BURNER
12
34
NEUTRAL
24 VAC
HOT
UNI-MATCH
WATER FEEDER
WF2-U-24
SERIES 67
LOW WATER
CUT-OFF
• Connect wire from terminal 'N' of water feeder
to 'Neutral' wire of burner circuit.
• Connect wire from terminal 'H' of water feeder
to terminal '2' on LWCO.
• Connect jumper wire connecting terminals '2'
and '3' of LWCO.
• Connect wire from terminal 'W' of water feeder
to terminal '4' on LWCO.
Diagram 4 WF2-U-24 / 67 with 24 volt burner circuit
WNH
BURNER
12
34
NEUTRAL
120 VAC
HOT
UNI-MATCH
WATER FEEDER
WF2-U-120
SERIES 67
LOW WATER
CUT-OFF
• Connect wire from terminal 'N' of water feeder
to 'Neutral' wire of burner circuit.
• Connect wire from terminal 'H' of water feeder
to terminal '2' on LWCO.
• Connect jumper wire connecting terminals '2'
and '3' of LWCO.
• Connect wire from terminal 'W' of water feeder
to terminal '4' on LWCO.
Diagram 5 WF2-U-120 / 67 with 120 volt burner circuit
WNH
BURNER
24V
TRANSFORMER
12
34
NEUTRAL
120 VAC
120 VAC
SUPPLY
HOT
UNI-MATCH
WATER FEEDER
WF-U-24
SERIES 67
LOW WATER
CUT-OFF
• Install wire from burner circuit 'Neutral' wire to
the transformer input 'Neutral' terminal.
• Install wire from burner circuit 'Hot' wire to the
transformer input 'Hot' terminal.
• Install wire from transformer output 'Neutral'
terminal to terminal 'N' on the water feeder.
• Install wire from terminal 'W' on the water feeder
to terminal '4' on the low water cut-off.
• Install wire from transformer output 'Hot' terminal
to terminal 'H' on water feeder and terminal '3'
on low water cut-off.
NOTE: Transformer provided by others.
Diagram 6 WF2-U-24 / 67 with 120 volt burner circuit