DSC MAXSYS PC4020 System Manual

PGM CONNECTIONS
SW AUX CONNECTION
MULTIPLE SMOKE DETECTORS ON ONE ZONE
LED INDICATOR RELAY OUTPUT
●
●
●
●
●
680 Ω
RESISTOR
(TYPICAL VALUE)
LED
INDICATOR
DSC
RM-1
RED BLK
WHT YEL GRN
COM N.C. N.O.
ALARM
CONTACT
IN
IN
OUT
OUT
ALARM
CONTACT
IN
IN
OUT
OUT
RED
WHT
BLK
GRN
ALARM
CONTACT
IN
IN
OUT
OUT
RED
WHT
BLK
GRN
POWER
SUPERVISORY
RELAY
(DSC RM-1)
POWER
SUPERVISORY
RELAY
(DSC RM-1)
5600 Ω
END OF LINE RESISTOR
(EOLR-2)
Notes: 5600 Ω applies only to the PC4020
main board. Use 2200 Ω (red, red, red, gold)
for the expansion modules.
Do NOT connect Fire zones or Links Supervisory
zone for Double EOL resistors.
Note: Do NOT connect Fire zones or Links
Supervisory zone for Double EOL resistors.
5600 Ω
END OF LINE RESISTOR
(EOLR-2)
SENSOR RESET FOR SMOKE DETECTOR
●
ZONE INPUT MUST BE
PROGRAMMED FOR FIRE
ALARM INPUT: STANDARD FIRE
DELAYED FIRE
AUTO VERIFY FIRE
●
ZONE INPUT MUST BE
PROGRAMMED FOR FIRE
ALARM INPUT: STANDARD FIRE
DELAYED FIRE
AUTO VERIFY FIRE
●
MINIMUM 18 AWG WIRING IS REQUIRED
FOR RESIDENTIAL FIRE ALARM SYSTEMS
●
SW AUX PROGRAMMED FOR
SENSOR RESET
TO ANY
"COM" TERMINAL
TO ANY ZONE
"Z" TERMINAL
TO ZONE "Z"
TERMINAL
PROGRAMMED
FOR "FIRE"
TO ANY "COM"
TERMINAL
BELL LOOP
700 mA MAX
4-WIRE SMOKE
DETECTOR POWER
11 V
DC 400 mA MAX
Bell
Current
mA
50 2750/838
1375/419
690/210
460/140
345/105
275/83
230/70
195/59
1740/530
870/265
435/132
290/88
215/65
170/52
140/43
125/38
1090/332
545/166
270/82
180/55
135/41
105/32
90/27
80/24
869/264
435/132
217/66
144/33
108/33
86/26
72/22
62/19
433/131
217/66
108/33
144/43
54/16
43/13
36/11
30/9
100
200
300
400
500
600
700
Maximum wire run to EOL resistor in feet/meters
AWG14 AWG16 AWG18 AWG19 AWG22
Loop
Current
mA
50 2750/838
1375/419
690/210
460/140
345/105
1740/530
870/265
435/132
290/88
215/65
1090/332
545/166
270/82
180/55
135/41
869/264
435/132
217/66
144/33
108/33
433/131
217/66
108/33
144/43
54/16
100
200
300
400
Maximum wire run to EOL relay in feet/meters
AWG14 AWG16 AWG18 AWG19 AWG22
AWG14 15500 / 4724
9740 / 2968
6120 / 1865
4860 / 1481
3840 / 1170
3060 / 932
2420 / 737
AWG16
AWG18
AWG19
AWG20
AWG21
AWG22
Wire
Gauge
Maximum Run to End of Line Resistor
(feet / meters)
iv

DSC MAXSYS PC4020 Specifications

General

Partitions	8
Event Buffer	1000 events
Keypads	16
Power Supply	16.5V, 40VA transformer
Battery Backup	12V 7Ah (typical)