Ac Fail Relay - Siemens PAD-4 Installation, Operation And Maintenance Manual

PAD-4 Installation, Operation and Maintenance Manual
2.6.7

AC Fail Relay

AC Fail Relay provides a normally closed (N.C.)
Form A contact which will be de-energized
without delay if AC is low or lost. It provides a
2.6.8 Ground Fault Relay
GND FLT Relay, located on the PAD-4-CLSA
module, provides a Normally Open (N.O.) Form
A contact which will be energized if ground fault
is detected. PAD-4-MB must be configured for
LOOP CKT
TB3
FS-250
TB12
TB13
16
TB11
1+ 1- 1 2+
1 1
INPUT 1 INPUT 2
EOL 24K
1/2W, 5%
P/N 140-034677
1+
1-
2+
*
2-
NOTES:
1. For U.S. Installations: Program HTRI-S #1 as Status causing,
1+
which will not cause the DACT to signal but will cause a local
1-
visual and audible signal. It provides a local signaling of AC fail at
2+
2-
the protected premises.
3+
2. For Canadian Installations: Program HTRI-S #1 as Trouble
3-
4+
causing, which will cause the DACT to signal and will also cause a
4-
local visual and audible signal at the protected premises. Program
the DACT to send a Primary Power Failure signal to the receiving
unit when this HTRI-S is active.
3. Program HTRI-S #2 as Trouble causing, which will cause the
DACT to signal for all common troubles (including AC fail with
reporting delay).
Figure 2-16
AC Fail Relay Connection Example
local signal (audible and visual) of AC fail at the
protected premises. (Refer to Figure 2-16.)
ULC operation for the contact to activate. Refer to
the PAD-4-CLSA installation instructions, P/N
315-050254 for more information.
PAD-4
TB12
2- 2 COM NC
*
EOL
3.6K, 1/4W
P/N 140-830185
OR
470 OHMS, 1/4W
P/N 140-820164,
AS APPLICABLE
FS-DLC LOOP
*
EOL
EOL
3.6K, 1/4W
P/N 140-830185
OR
470 OHMS, 1/4W
5 4 3 2 1
P/N 140-820164,
AS APPLICABLE
HTRI-S
#1
TB13
NC COM NO
1
*
EOL
5 4 3 2 1
HTRI-S
#2