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LTA-2 WIRING CROSS REFERENCE
Power Connections
Output Contacts
Manufacturer
Device or Series
Hot
Neutral
Common
To Burner
To Water
Feeder /
Alarm
Taco
LN/LTA-2 Series
H
N
COM
NC
NO
McDonnell & Miller
PS-801/851 (Older Models
w/Red & Amber LEDs)
1
2
3
5
4
McDonnell & Miller
PS-801/851 (New Models
w/Red & Green LEDs)
H
N
C
B
W
McDonnell & Miller
PS-802/852 (Older Models
w/Red & Amber LEDs)
H
N
C
B
W
McDonnell & Miller
PS-802/852 (New Models
w/Red & Green LEDs)
H
N
C
B
W
McDonnell & Miller
Series 750
1
2
3
4
5
McDonnell & Miller
RB - 122
H
(Black Wire)
N
(White Wire
)
C
(Yellow Wire)
B
(Yellow Wire)
-
McDonnell & Miller
RB - 120
1
2
3
4
5
McDonnell & Miller
RB - 24
Red Wire
White Wire Yellow Wire Yellow Wire
-
Hydrolevel
24
Black Wire White Wire
-
Orange
Wire
Brown
Wire
Hydrolevel
170
H
GN
P1
P2
A
Hydrolevel
400, 500, 600, 700, 450,
550, 650, 750
1
2
P1
P2
A
Honeywell
RW700 Series (Except
RW700A1098)
L1
L2
-
B
A
Honeywell
RW700A1098
T1
T2
-
B
A
LWCO Ordering
!&$"%$!
#$%$$!
A -
%$!$#$
Reset Type
024
120 -
Input Power
Process Connection
3
(
S -
$ ""!$"!
(! '
Probe Styles
Probe Only Ordering
Probe
S -
$ ""!$"!
(! '
Probe Styles
Process Connection
3 -
(