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15
19
14
3
20
1
3
2
Alarm Signal
Aux. Power +
Sup. N. O.
Sup. COM
Aux. Power –
NOTE: Wiring diagram shown is for DH100ACDCLWP 4-wire duct
smoke detector system equipped without a control panel.
Alarm
(Red LED)
Power
(Green LED)
Common
APA451DH100ACDCLWP
D200-24-00 6 I56-0056-07R
Do not loop wire under terminals when wiring detectors. Break wire runs to provide system supervision of connections.
CAUTION
Figure 8. Wiring diagram for DH100ACDCLWP
to APA451:
H0178-00
Figure 7. System wiring diagram for 4-wire duct smoke detectors:
Figure 9. Wiring diagram for DH100ACDCLWP to
RTS451KEY and interconnect feature:
Important Interconnect Notes
• When using the interconnect feature, all
interconnected units must be powered with
the same, independent supply.
• Polarity must be maintained throughout the
interconnect wiring. Connect terminal 12 on
unit 1 to terminal 12 on unit 2 and so on.
Similarly, connect terminal 1 on unit 1 to ter-
minal 1 on unit 2 and so on.
• Up to 10 units may be interconnected.
Figure 10. Multiple fan shutdown (interconnect):
1
6
12
16
A
B
C
FAN
CONTROL
SYSTEM
CONTROL
POWER OR
THERMOSTAT
1
6
12
16
A
B
FAN
CONTROL
SYSTEM
CONTROL
POWER OR
THERMOSTAT
DETECTOR 1
C
DETECTOR 2
1
6
12
16
A
B
FAN
CONTROL
SYSTEM
CONTROL
POWER OR
THERMOSTAT
C
DETECTOR 10
OUT TO
10 DETECTORS
MAXIMUM
24V
120
VAC
220/240
V
AC
9
10 A
BC
A
VA
ILA
B
LE
P
O
W
ER
IN
P
U
TS
ALARM
AU
XILIAR
Y C
O
N
TAC
TS
FO
R
FAN
SHU
TD
O
W
N
, ETC
.
16 6 17
7
18 8
N
.C
.
C.N
.O
.
N.O
.
C.N
.C.
ALAR
M
A
UX
ILIAR
Y C
O
N
TACT
S SH
O
W
N
IN
STAN
DBY. C
O
N
TAC
TS TRAN
SFE
R D
U
RIN
G
ALAR
M
A
S IN
DICA
TED
BY TH
E
AR
R
O
W
S.
SU
PER
VISO
R
Y TR
O
U
BLE C
O
N
TAC
TS
T
R
O
U
B
L
E
C
O
N
T
A
C
T
S
C
L
O
S
E
D
IN
A
L
A
R
M
A
N
D
S
T
A
N
D
B
Y
.
C
O
N
T
A
C
T
S
O
P
E
N
W
H
IL
E
D
E
T
E
C
T
O
R
P
C
B
O
R
P
O
W
E
R
IS
R
E
M
O
V
E
D
O
R
W
H
E
N
T
A
M
P
E
R
F
E
A
T
U
R
E
T
I
M
E
S
O
U
T
. O
P
E
N
C
O
N
T
A
C
T
S
S
IG
N
A
L
T
R
O
U
B
L
E
C
O
N
D
IT
I
O
N
T
O
P
A
N
E
L
.
24V
220/240
V
AC
910AB
C
A
VA
ILA
BLE
P
O
W
ER
IN
P
U
TS
ALARM
AU
XILIARY
CO
N
TAC
TS
FO
R
FAN
SH
U
TD
O
W
N
, ETC
.
16 6
17
7188
N
.C
.
C.
N
.O
.
N
.O
.
C
.N
.C
.
A
LAR
M
A
UXILIAR
Y C
O
NT
ACTS S
H
O
W
N
IN
S
TAN
D
BY. CO
N
TAC
TS TR
A
NSFER
DU
R
IN
G
ALA
R
M
AS IN
DICATED
B
Y
TH
E AR
RO
W
S.
SU
PE
R
V
ISO
R
Y TR
O
UBLE C
O
N
TAC
TS
T
R
O
U
B
L
E
C
O
N
T
A
C
T
S
C
L
O
S
E
D
IN
A
L
A
R
M
A
N
D
S
T
A
N
D
B
Y
.
C
O
N
T
A
C
T
S
O
P
E
N
W
H
IL
E
D
E
T
E
C
T
O
R
P
C
B
O
R
P
O
W
E
R
IS
R
E
M
O
V
E
D
O
R
W
H
E
N
T
A
M
P
E
R
F
E
A
T
U
R
E
T
IM
E
S
O
U
T
. O
P
E
N
C
O
N
T
A
C
T
S
S
IG
N
A
L
T
R
O
U
B
L
E
C
O
N
D
IT
I
O
N
T
O
P
A
N
E
L
.
14 3
3
14
4
5
A
LAR
M
IN
ITIATIO
N
C
O
N
TAC
TS
C
O
N
TAC
TS SH
O
W
N
O
P
EN
IN
STAN
D
BY
.
C
O
N
TAC
TS C
LO
SE
IN
ALAR
M
.
4
5
ALAR
M
IN
ITIATIO
N
C
O
N
TAC
TS
C
O
N
TA
C
TS
SH
O
W
N
O
PEN
IN
STAN
D
BY.
C
O
N
TA
C
TS C
LO
S
E
IN
ALAR
M
.
A
LAR
M
IN
ITIATIO
N
LO
O
P
U
L LIS
TED
4-W
IR
E
C
O
N
TR
O
L PAN
EL
FIR
ST D
ETEC
TO
R
IN
TH
E LO
O
P
D
H
100A
C
D
C
LW
P
LAS
T D
ETEC
TO
R
IN
TH
E LO
O
P
D
H
100A
C
D
C
LW
P
EO
L R
ESISTO
R
SP
EC
IFIED
BY
PA
N
EL M
AN
U
FAC
TU
R
ER
C
O
N
N
E
C
T P
O
W
E
R
SO
UR
C
E
TO
AP
PR
O
P
R
IA
TE
TER
M
INA
LS
O
F EA
C
H
D
E
TEC
TO
R
. SE
E
SP
EC
IFIC
ATIO
N
S FO
R
AD
D
ITIO
N
AL PO
W
ER
SU
PPLY
IN
FO
RM
ATIO
N
.
FO
R
W
IR
IN
G
O
F AU
XILIARY
D
EVIC
ES, REFE
R TO
M
A
N
U
FACTU
R
ER'S
IN
STALLATIO
N IN
S
TR
UC
TIO
N
S
O
R
C
O
NTA
C
T M
AN
U
FAC
TU
R
E
R
.
N
O
TE
:
TH
E S
UPER
VIS
O
RY R
ELAY N
O
W
PR
O
VID
ES A
"FO
RM
C
" C
O
N
TA
C
T FO
R
CU
STO
M
IZED
A
P
PLIC
A
TIO
N
S
.
FO
R
ST
AND
AR
D
APPLICATIO
N
S, O
N
LY
TH
E
"NO
" C
O
N
TAC
T IS USE
D
P
O
W
E
R
INP
U
TS
A
CC
EP
T
24 VDC
, 24 VAC
50-60 H
Z,
120 VA
C
50-60 H
Z, O
R
220/240 VAC
50-60 H
Z.
C
O
N
N
ECT P
O
W
ER
SO
U
R
C
E
TO
A
PPRO
PR
IATE
TERM
IN
ALS
O
F EA
C
H D
ETECT
O
R
.
AUX
. C
O
NTAC
T R
ATING
S
10A @
30 V
D
C
R
ESIS
TIVE
10A @
250 V
A
C
100m
A M
IN
IM
UM
@
5 VD
C
1/4 H
P @
240 VAC
1/8 HP
@
120 VAC
NO
T IN
TEN
DED
FO
R
C
O
NN
E
C
TIO
N
TO
C
O
NTR
O
L
P
AN
ELS.
TR
O
U
BLE
C
O
N
TAC
T R
ATIN
G
2.0 A
@
30 VD
C resistive
2.0 A
@
125 VD
C
resistive
+
120
VAC
H0155-01