
TSD402 & TSD401
496523 Issue A 3of10 TSD402 & TSD401
System Installation
Battery Connection
A 2.1Ah battery must be fitted to the control panel to
allow the system to function during a mains fail
condition.
TheTSD402isequipped with a“BatteryProtection”circuit
so that if a battery is accidentally reverse connected or
itsvoltageis below8V,the“Battery Fault”LEDilluminates.
To clear the fault simply reconnect or replace the
battery as appropriate.
Control Panel PCB Layout
TRIG
POLARITY
F
ACTORY
RESTART
VR1
EXT . VOLUME
TRIGGER
A
P
F
INT . VOLUME
SPEAKER
A
B
BC
A.C.
ALM
-
RST
-
TRG
-
STB
-
+-
H/O
TMP
-
AUX
TAMPER
L/S
-
AUX 12V
+-
P. A.
ZONE 5
FIRE
ZONE 4
K'SW
ZONE 3
ACCESS
ZONE 2
ACCESS
ZONE 1
F/EXIT
AuxiliaryDialler
TriggerInputs
(S.E.L.VCircuit)
RemoteKeypad
Interfacesocket
(S.E.L.VCircuit)
Microphone
TactileRubberKeypad
TelephoneLine
ConnectionT erminals
(T.N.VCircuit)
InternalVolumeControl
Connectionto
InternalSpeaker
ExtensionSpeakerVolumeControlAuxiliaryTriggerInput
PolaritySelector
FactoryRestartPins
BellFuse(1Amp)
ux12VFuse
(1Amp)
FlyingLeads
toTransformer
TamperSwitch
Zone
Connections
(S.E.L.VCircuit)
123
456
789
HOME 0 AWAY
JP2
-
+
JP1
JP3
VR2
EXTERNAL BELL
16CharacterLCDDisplay
Figure 1 TSD402 PCB Layout
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