1.3 TERMINOLOGY
CLASS "A" = STYLE Z
CLASS "B" = STYLE Y
FACP = Fire Alarm Control Panel
EOLR = End of Line Resistor
NAC = Notification Appliance Circuit
SM = Wheelock Sync Module with single output
DSM = Wheelock Dual Sync Module with two outputs
C = Common
NC = Normally Closed
NO = Normally Open
Ahrs = Ampere/Hours
Enclosures
Figure 1 shows the location of the PC boards and knockouts on the PS-8 panel.
2", 2 ½", and 3" Knockouts (2)
Figure 2 shows the location of the PC boards and knockouts on the PS-8 panel.
P84905-001 A
Power Supply/Battery
Charger PC Board
D36 D35 D34
D21
TB1
J2
IN1 FOLLOWER
D37
IN2 FOLLOWER
SBUS IN1/IN2
D4
D3
D8
D7
D6
D5
TROUBLE LATCH
SW2
D9
NAC1 SYNC/TEMPORAL
NAC2 SYNC/TEMPORAL
SW5
NAC3 SYNC/TEMPORAL
NAC4 SYNC/TEMPORAL
SW1
NAC1 IN1/IN2
NAC2 IN1/IN2
NAC3 IN1/IN2
NAC4 IN1/IN2
SW4
D2
SBUS MASTER/REMOTE
SBUS SYNC/TEMPORAL
SYNC PROTOCOL
SYNC PROTOCOL
SW3
NAC1-NAC2 CLASS B/A
NAC3-NAC4 CLASS B/A
AUX POWER CP/MP
Control PC Board
GF DETECT
SW6
TB1
TB2
SBUS
SBUS
SIL
COM
IN1
RET1
CC1
IN2
RET2
CC2
IN
RET
IN
TROUBLE
Battery Compartment for
two – 12V 12Ahrs
Rechargeable Batteries
Figure 1: PS-8 Enclosure Layout
1/2" and 3/4" Knockouts (14)
TB3
D24
NAC1
NC
NO
AUX
NAC2
NAC3
OUT
OUT
OUT
OUT
Sheet 5 of 36
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