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| * [[Bell Control Technical Data 2034|Libertas 2034 Technical Data]] | | * [[Bell Control Technical Data 2034|Libertas 2034 Technical Data]] |
| * [[Bell Control Technical Data 3700|Libertas 3700 Technical Data]] | | * [[Bell Control Technical Data 3700|Libertas 3700 Technical Data]] |
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| == Relay panel technical information ==
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| === Wiring color codes ===
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| All primary wiring shall be 16 AWG or greater, stranded with 600V insulation in the following colors:
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| * Earth protective ground - Green
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| * Neutral (not generally required) - White
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| * L1 - Black
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| * L2 - Red
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| * L3 - Blue (when three phase power is used for motors)
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| * T1, T2, etc. DC striker outputs (polarity not important) - Yellow
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| * M1, M2, etc. Motor contactor outputs (high voltage, low current) - Violet
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| * COM - may be jumpered to L1 at the factory - Black
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| Secondary low voltage control wiring shall be 18 AWG with 300V insulation in the following colors:
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| * Negative DC - Black
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| * Positive DC control - Red
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| === Lights and test buttons ===
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| At the top of the relay panel is a square board with three buttons with four lights at the top edge.
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| The four lights are labeled:
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| Power - Data - Fault - Status
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| The buttons may be labeled:
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| Reset - Test - Step
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| At the bottom of this board, and sometimes installed on an auxiliary board attached with a ribbon cable, are one inch square output modules mounted vertically (up to four outputs on the main board, up to twelve outputs on the auxiliary board). For tolling outputs, there will be two timer adjustment controls. For motorized ringers there will not be adjustments. At the top of these boards is a green light that indicates the output is on. At the bottom of the board is a red light that indicates the output is driving a short circuit.
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| === Test mode ===
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| Hold the Test button (under the Data light) while momentarily clicking the Reset button (under the Power light). After the Fault light blinks you can let go of the Test button. The Data light should remain lit to indicate the panel is in the self-test mode.
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| Press the Step button to sequence through the outputs. The tolling outputs will ring first then any motorized outputs will follow. Note that after ringing the Motorized outputs, the toll outputs may locked out (hammer protect mode). If you need to test the tollers again, repeat the procedure above to reset the test mode (after the bells have ceased to swing).
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| To repeat an output that you have stepped to, press the Test button to repeat it. This is useful for testing motorized outputs that time out after a second or so.
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| ==== Exit test mode ====
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| The panel will reset to the standby mode in a couple of minutes. For immediate reset, press the Reset button so that the Data light goes out.
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| === Pulse Adjustments ===
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| Each timer board has two adjustment potentiometers. The top adjustment sets the length of the pulse and the bottom adjustment sets the maximum repeat rate. For both cases, clockwise adjustments shorten the pulse and allows smaller bells to repeat faster.
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| If the lower potentiometer is adjusted clockwise more than the upper adjustment, the ON pulse will be shortened to allow faster repeats.
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| ==== Pulse setting procedure for large tolling bells ====
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| #Set the top adjustment fully clockwise
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| #Set the bottom adjustment fully counter-clockwise
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| #Turn top adjustment counterclockwise until the ringing does not get any louder
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| ==== Pulse setting procedure for small chime/carillon bells ====
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| #Set both adjustments fully clockwise (short pulse)
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| #Turn top adjustment counterclockwise until the ringing does not get any louder
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| #If the top adjustment is fully counterclockwise and you can get the bell to ring louder by turning the bottom adjustment farther then continue adjusting the bottom adjustment until the desired performance is obtained.
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| == Troubleshooting == | | == Troubleshooting == |