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Amended: Jan 2014
Test
Test
DF 6000 Motherboard (.ypcb2153)
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Aux
Relay
Fault
Relay
24v
0/p
Fire
P/E
Fire
R/E
Loop 1 Loop 2 Loop 3 Loop 4
Class
CX
Sounder 1& 2 Sounder 3 & 4
+ 26v
0v
+ 26vRaw
0v
+ 5v
Printer
Connector to PSU
Voltages measured at main contacts with mains and battery connected
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Aux Relay : Dry contacts NO/C/NC
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Fault Relay Output : 13.6v no fault 0v when in fault
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28v Output : 28.5v approx with no load
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Fire P/E & R/E : -0.6v no fire +28v when in fire
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Loops 1-4 : 0v unused, +22v normal, +24v in fire, +27v during autolearn.
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Sounder 1-4 : -0.6v monitor, +28v when in fire.
Voltages measured at vertical red connector with mains and battery connected
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+26v to 0v : reads 27.8v
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+26v Raw to 0v : reads 28.15v
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+5v Printer to 0v : reads 5.5v
Voltages measured across battery leads using 6K resistor as load, mains
connected.
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Factory set to give +27.5v
Test
Test
Test
Test
Test
