10
PC4020 CONTROL PANEL
WIRING DIAGRAMS
R-1
T-1
RNG
TIP
BATTERY
12 VDC
MINIMUM
4 Ah
+ RED
- BLK
COMBUS TO
ALL MODULES
BELL LOOP
700 mA MAX
BE SURE TO OBSERVE
POLARITY WHEN
CONECTING POLARIZED
SIRENS OR BELLS
NORMALLY CLOSED
CONTACT;
NO END OF LINE
RESISTOR
ANY Z
TERMINAL
ANY COM
TERMINAL
2 NORMALLY OPEN
CONTACTS WITH
5600
Ω
END OF LINE
RESISTOR
ANY Z
TERMINAL
ANY COM
TERMINAL
2 NORMALLY CLOSED
CONTACTS WITH
END OF LINE
RESISTOR
ANY Z
TERMINAL
ANY COM
TERMINAL
1 NORMALLY OPEN
CONTACT AND
1 NORMALLY CLOSED
CONTACT WITH
END OF LINE
RESISTOR
ANY Z
TERMINAL
ANY COM
TERMINAL
TYPICAL ZONE CIRCUITS
TELEPHONE CONNECTION
GROUND CONNECTION
120 V
40 VA
TRANSFORMER
16-18 V @ 40 VA
DO NOT CONNECT TO
RECEPTACLE
Nut
Washer
Cabinet
Bolt
Ground
Rod
●
●
●
●
TO GROUND
CONNECTION
INCOMING LINE
FROM TELEPHONE
COMPANY
OUT TO TELEPHONE
EQUIPMENT ON
PREMISES
GRY
BRN
RED
GRN
*
Recommended use with Double EOL Resistors.
5600
Ω
End Of Line resistor colour bands: Green/Blue/Red/Gold
ALARM
CONTACT
DOUBLE EOL CIRCUIT
1 NORMALLY CLOSED
CONTACT WITH
5600
Ω
END OF LINE
RESISTORS
ANY Z
TERMINAL
ANY COM
TERMINAL
*
DOUBLE EOL CIRCUIT
2 NORMALLY CLOSED
CONTACTS WITH
5600
Ω
END OF LINE
RESISTORS
ANY Z
TERMINAL
ANY COM
TERMINAL
*
ALARM
CONTACT
TAMPER
CONTACT
AU
X
1 A
M
P
BE
L
L
5 A
M
P
BA
T
T
5 A
M
P
Summary of Contents for maxsys PC4020KT
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