TMQ AP9 Autopilot (V6.0 - 965) Page 34 of 51 31/1/2017
External Alarm Installation
For non survey vessels an external alarm is optional. For vessels needing the commercial
watch alarm feature fitted for survey requirements, an external alarm is required in
addition to the AP9 internal buzzer.
This alarm will sound if the timer alarm has been sounding for one minute without being
reset and autopilot is NOT in SET mode.
A 12 volt piezo buzzer with current draw not exceeding 250 milliamps should be used
(TMQ Part No. SIREN). If a siren or alarm unit is used which draws in excess of 250
milliamps, this should be connected via a relay.
The external alarm circuit is used to energise the siren direct. For larger units the circuit
energises a relay coil with the siren being energised via the relay contacts.
To Install External Alarm Siren
· Mount SIREN in appropriate position for optimum effect (leads may have to be
lengthened)
· Remove rear cover of AP9
· Route siren wires through a rear cover gland
· Connect SIREN + lead (red) to T4 Ext Al + terminal
· Connect SIREN – lead (black) to T4 Ext Al - terminal
· Replace AP9 cover
To enable the commercial watch alarm refer page 14.
NOTE: Once the commercial alarm is enabled, it cannot be reverted.
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