Potter PFC-5000 Series User Manual

Page 18

Figure 11B: Main Fire Alarm Module Terminal Connections (cont’d)

When wiring devices, please keep in mind the following:

All terminals are shown from the back of the main fi re alarm board assembly (pointing towards the rear of the enclosure).

•

All power limited circuits must use type FPL, FPLR, or FPLP power limited cable.

•

Initiating circuits are fully supervised and rated for 26 VDC, 3 ma standby, 1.5 Vp-p ripple, 50 mA max. alarm. They may

•

be confi gured as required. Maximum loop resistance is 100 ohms, 50 ohms per side.
Initiating circuits are compatibility ID “A”.

•

SUPERVISORY OR
W ATERFLOW
SWITCH (NO)

HEAT DETEC TOR

LEGEND:

See Appendix A

for compatible devices.

SMOKE DETEC TOR

3.9K 1/2W ELR LISTED S5434
MODEL MP-300 MANUFACTURED
BY MIRCOM

PULL STATION

RS-485

OR 3 REMOTE ANNUNCIATORS

SEE APPLICABLE OPERATION & INS

ALL ATION

MAN UAL.

(N OT USED WITH R TI)

CLASS B /

STYLE 4 WIRING

24VDC POWER +

(POWER LIMITED) -

4-WIRE
SUPPLY

INI1+

INI1-

INI2+

INI2-

INI3+

INI3-

INI4+

INI4-

STYLE D
INI2

STYLE D
INI1

CLASS B /
STYLE B
WIRING

CLASS A /
STYLE D
WIRING

SUPERVISED INITIATING CIRCUIT #4
(SHOWN AS SUPV ZON E,

POWER LIMITED)

SUPERVISED INITIATING CIRCUIT #3

(SHOWN AS ALARM

ZON E,

POWER LIMITED)

SUPERVISED INITIATING CIRCUIT #1
(POWER LIMITED)

RESETTABLE 4-WIRE
SMOKE DETEC TOR POWER
LIMITE D,

POWER SUPPLY

28 VDC,

100 mA MAX.,

1.5VP-P RIPPLE.

COM+

RTI REMOTE TROUBLE INDIC AT OR (NOT SUPERVISED)

(N OT USED WITH RAM-208'S)

TRB

RTI
INTER

FACE

TRL

EXAMPLES OF BOTH CLASS A AND B WIRING ARE SHOWN,

BUT

ONLY ONE CLASS OF WIRING MAY BE USED IN ANY INSTALLATION.

CLASS B /
STYLE B
WIRING

COM-
(SEE FIG.11)

BLU

RS-485 INTERFACE
(POWER LIMITED)

AUX.

POWER POSITIVE

BLK

RED & WHT

RT I

UNFILTERED SPECIAL APPLIC ATION