Advertisement
Power Wiring
The LT410 is rated for 24 VAC, 50/60 Hz and
0.10 amp.
Figure 1 24V from Liebert environmental units to LT410
Liebert Deluxe System/3,
Liebert Deluxe Sys/3,
Challenger, Himod or
Challenger, Himod or
MM2 (8 Ton)
Mini-Mate2 (8 ton)
TB1
TB1
T5 (24V)
T5
(24V)
G5 (Ground)
G5
(Ground)
Liebert MM2 (1 to 5 Ton)
Power Wiring
4V transformer of
(24V)
here are no
ated terminal
24V from Liebert Environmental Unit to LT460
(Ground)
tions)
Liebert Deluxe Sys/3,
24V from Transformer to LT460
Challenger, Himod or
MM2 (8 Ton)
Transformer
TB1
T5
(24V)
From 24V
transformer
G5
(Ground)
Liebert Mini-Mate2
Liebert MM2 (1 to 5 Ton)
(1 to 5 ton)
4V transformer of
(24V)
here are no
From 24V
ated terminal
transformer*
(Ground)
tions)
* Requires a 24V external transformer (there are
no designated terminal connections on the unit)
24V from Transformer to LT460
Transformer
Figure 2 24V from transformer to LT410
24V from Transformer to LT460
Transformer
Transformer
From 24V
From 24V
transformer
transformer
Product Specification Sheet
LT460
LT410
Red wires
TB1
Red
TB1-1
Red
TB1-2
LT460
TB1
TB1-1
TB1-2
Location of
T5 (24V)
connection
on main
controller
LT460
board of
LT460
Liebert unit
TB1
TB1
TB1-1
TB1-1
TB1-2
TB1-2
LT410
LT460
Red wires
TB1
Red
TB1-1
Red
TB1-2
LT460
LT410
LT460
Red wires
TB1
Red
TB1-1
Red
TB1-2
page 2
Wiring to Auxiliary Alarm Panels
The LT410 has two Form-C dry contact alarm out-
put contacts: orange wires (1) and yellow wires (2).
Each contact is rated for 24 VAC at 3 amp.
Figure 3 LT410 to Liebert environmental units
LT460 to Liebert Environmental Unit
Liebert Deluxe System/3,
LT410
LT460
Orange wires
TB2
1-NC
TB2-3
(N.C.)
1-COM
TB2-2
(C)
1-NO
TB2-1
(N.O.)
LT410
LT460
Orange wires
TB2
1-NC
TB2-3
(N.C.)
1-COM
TB2-2
(C)
1-NO
TB2-1
(N.O.)
OR
Figure 4 LT410 to Liebert contact monitor panel
LT410
Liebert contact monitor
LT460
Yellow wires
TB2
2-NC
TB2-3
(N.C.)
2-COM
TB2-2
(C)
2-NO
TB2-1
(N.O.)
Liebert Deluxe Sys/3,
Challenger, Himod or
Challenger, Himod or
Mini-Mate2 (8 ton)
MM2 (8 Ton)
Environmental
Env. Unit
unit
24 (24V)
24
(24V)
51, 55 or 56
51
Liebert Mini-Mate2
Liebert MM2 (1 to 5 Ton)
(1 to 5 ton)
Environmental
unit
Env. Unit
TB1-1 (24V)
TB1-1
(24V)
TB1-2 or TB1-3
TB1-2
Liebert Contact
Monitor Panel
panel
Alarm panel
Alarm Panel
Input
Input
contact
Contact
(N.O.)
(N.O.)
11/02 (Rev. 0)
Advertisement
