5
TERMINAL DESCRIPTION
TERMINAL # DESCRIPTION
1 - 4 Connect Code Pad wires as follows; Yellow to terminal 1, Green to terminal 2, Black to terminal 3,
and Red to terminal 4. Maximum run with 7/020 cable is 70 metres. Maximum run with 14/020 cable
is 120 metres. A maximum of 4 code pads may be connected to the DL250. Each code pad must be
home run.
5 Connect one side of zone 1 loop. Connect other side of loop to common terminal 6. Open or short
causes alarm
7 Connect one side of zone 2 loop. Connect other side of loop to common terminal 6. Open or short
causes alarm.
8 - 16 See Terminal Drawing and repeat the above sequence for zones 3 through 8.
17 Resettable 12VDC 100mA Aux power.(Memory reset and/or Smoke detector power) this output may
be reset by the # on the code pad.
18 - 19 Auxiliary power, regulated 12VDC. Maximum 400 mA for all Auxiliary power outputs.
20 - 21 Form A programmable on board relay output. Tied to auxiliary output #1.
22 - 24 Form C programmable on board relay output. Tied to auxiliary output #2.
25 - 26 Siren driver output to speaker(s). Speaker rating 10 or 15 watt at 4, 8, or 16 ohms). See page 8 for
connection diagram.
27 Earth Ground, connect to a cold water pipe, or 6 to 10 foot driven rod
28 - 29 AC input, connect 16.5V 1.5 AMP approved transformer.
Box Tamper The Box Tamper terminals are located at the top right side of the P.C.B. The tamper circuit is
Normally Closed. The left terminal is the Negative (-) point of the circuit.
Battery Leads Connect to 12VDC lead acid rechargeable battery: Black(-) & Red(+). Do not use a dry cell battery.
Buss Mode
Toggle
To momentary toggle the DL250 code pad communication protocol I.E. Switch from Smart
Buss to Standard Buss or visa-versa. Short terminal (2) Data to terminal (5) zone one when
powering up the DL250. This is ONLY a temporary mode to permit Buss mode switching. Refer
to location 384 for more detail.
FUSE DESCRIPTION
FUSE # DESCRIPTION
F1 1 AMP / Code Pad & Smoke Detector
Power
F2 2 AMP / Siren Driver
F3 3 AMP / Relay Power
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