Det-Tronics PM-5MP & PM-5MP+ Dual Spectrum IR Flame Detector - Manual (Page 11)

9
95-8493
APPENDIX B
INTRINSICALL
Y
SAFE
CLASS B, STYLE B WIRING
Hazardous (Classified) Locations:
Class I, Division 1, Group C, D
Class I, Division 2, Group
A, B, C, D
Class II, Division 1, Group E, F
, G
Class II, Division 2, Group F
, G
Class III, Division 2
PM-5MP
OR
PM-5MP+
V+ V+ POWER RETURN POWER RETURN TROUBLE + TROUBLE – ALARM + ALARM – ALARM – ALARM +
END OF LINE DEVICE
HAZARDOUS LOCATIONS: CLASS I, DIV. 1, GP. C, D CLASS II, DIV. 1, GP. E, F, G CLASS III, DIV. 2
NON-HAZARDOUS LOCATION
SAFETY BARRIER SAFETY BARRIER
CONTROL ROOM INSTRUMENTATION OPERATING AT OR LESS THAN 250 VOLTS RMS.
+24 VDC
DC RETURN
ALARM + ALARM –
NOTES:
1.
SUIT
ABLE FOR INTRINSICALL
Y
SAFE
INST
ALLA
TION IN CLASS I, DIV
. 1, GP
. C,
D; CLASS I, DIV
. 2, GP
.
A, B, C, D; CLASS
II, DIV
. 1, GP
. E, F & G; CLASS II, DIV
. 2,
GP
. F & G. CLASS III, DIV
. 2 HAZ-
ARDOUS LOCA
TIONS. WIRING METH-
ODS SHALL
BE INST
ALLED IN
ACCOR
DANCE WITH
ANSI/NFP
A
70 (NEC),
ANSI/NFP
A
72 AND
ISA
R
P
12.6.
2.
I. S. BARRIERS MUST
BE INST
ALLED IN
ACCORDANCE WITH
THE
MANUF
ACTURER’S GUIDELINES.
3.
THIS DRA
WING SHOWS ONE SENSOR
CONNECTED IN
A
C
LASS B, STYLE B
CONFIGURA
TION PER NFP
A
72.
MUL
TIPLE SENSORS MA
Y
NOT
BE
CONNECTED
T
O
THE SAME BARRIER.
AN END OF LINE DEVICE (EOL) IS REQUIRED
T
O
MONIT
OR LINE
CONTINUITY
.
4.
END OF LINE DEVICE V
ALUE PLUS
BARRIER RESIST
ANCE MUST
PROVIDE
ADEQUA
TE SUPER
VISION CURRENT
FOR FIRE
ALARM CONTROL
P
ANEL.
5.
RESIST
ANCE BETWEEN BARRIER
GROUND
AND EAR
TH GROUND MUST
NOT
EXCEED ONE OHM.
6.
PM-5MP
AND PM-5MP+ INTERCON-
NECT
VIA
FL
YING LEAD. EXTENSION
CABLE SHALL
C
OMPL
Y
WITH
ANSI/NFP
A
70 (NEC)
AR
TICLE
504-30(b)(2).
7.
CABLE SHIELD MUST
BE
TIED
T
O
INTRINSIC SAFETY
GROUND
A
T
THE
BARRIER.
8.
THE PM-5MP
AND PM-5MP+ SENSORS
HA
VE BEEN SYSTEM
APPROVED WITH
THE FM
APPROVED BARRIERS LISTED
IN THE
BARRIER T
ABLE.
9.
MAXIMUM CABLE LENGTH: 1000 FEET
.
FIRE SENSOR
ELECTRICAL INTERF
A
C
E
Wire Color
Signal
Red
V+, Input P
o
w
e
r
Or
ange
V+, Input P
o
w
er
Blac
k
P
o
w
er Retur
n
Bro
wn
P
o
w
er Retur
n
Y
ello
w
A
lar
m
+
Green
Alar
m +
Blue
Alar
m
–
Violet
Alar
m
–
Gr
a
y
T
roub
le +
White
T
roub
le –
BARRIER P
ARAMETERS
MODEL
MANUF
ACTURER
Vt (V)
It (MA)
9002/77-280-094-00
ST
AHL
28.1
87.0
Z978
PEPPERL
+ FUCHS
30.0
93.0
7278ac
MTL
28.0
94.0
BARRIER T
ABLE
Figure B1—Intrinsically Safe Class B, Style B Wiring (Drawing No. 420032)