Install Instructions

LTA-2 WIRING CROSS REFERENCE
Power Connections Output Contacts
ManufacturerDevice or Series HotNeutral CommonTo Burner
To Wa ter
Feeder /
Alarm
Ta co LN/LTA-2 Series HNCOMNCNO
McDonnell & Miller
PS-801/851 (Older Models
w/Red & Amber LEDs)
12354
McDonnell & Miller
PS-801/851 (New Models
w/Red & Green LEDs)
HNCBW
McDonnell & Miller
PS-802/852 (Older Models
w/Red & Amber LEDs)
HNCBW
McDonnell & Miller
PS-802/852 (New Models
w/Red & Green LEDs)
HNCBW
McDonnell & MillerSeries 75012345
McDonnell & MillerRB - 122
H
(Black Wire)
N
(Whi te Wire
)
C
(Yellow Wire)
B
(Yellow Wire)
-
McDonnell & MillerRB - 12012345
McDonnell & MillerRB - 24 Red Wire White Wire Y e llow Wire Y e llow Wire -
Hydrolevel 24 Black Wire White Wire -
Orange
Wire
Brown
Wire
Hydrolevel 170 HGNP1P2A
Hydrolevel
400, 500, 600, 700, 450,
550, 650, 750
12P1 P2 A
Honeywell
RW700 Series (Except
RW700A1098)
L1 L2 -BA
HoneywellRW700A1098 T1 T2 -BA
T
2
LWCO Ordering
L A 3 S
Low Water Cuto
Test Button
A - Automatic Reset
Reset Type
024 - 24 VAC
120 - 120 VAC
Input Power
Process Connection
3 - 3/4” NPT
S - Standard Probe Electrode
(3/4” NPT only)
Probe Styles
Probe Only Ordering
P
3
S
1
Probe
S - Standard Probe Electrode
(3/4” NPT only)
Probe Styles
Process Connection
3 - 3/4” NPT