Fire Alarm Control Panel LT-32 / LT-159
6 M-168.1-SERIE-LT-EN / 08.2022
1.1 Precautions
These instructions contain procedures to be followed in order to avoid damage to equipment. It is assumed that the user of this manual has
completed a training course and that he knows the applicable rules that are in force.
• The system and all its components must be installed in an environment with the following conditions:
– Temperature: -5°C … +40°C.
– Humidity: 10 % … 95 % (non-condensing).
• Peripheral devices (sensors, etc.) which are not perfectly compatible with the control unit may cause damage to the control unit or cause the
system to malfunction at any time. It is therefore essential to only use material which is guaranteed by Honeywell and is compatible with its
control units.
• Please consult Honeywell Technical Service if in any doubt.
• This system, like all solid-state components, may be damaged by induced electrostatic voltages: handle the boards by the edges and avoid
touching the electronic components.
• In any case, appropriate earthing ensures a reduction in sensitivity to disturbances.
• Please consult Honeywell Technical Service if you cannot solve installation problems.
• No electronic system will operate if it is not supplied with power.
• If the mains power supply fails, the system will still operate using battery power, but only for a limited period.
• During the system planning phase, consider the authority required to ensure the power supply and batteries are appropriately dimensioned.
• Skilled personnel must periodically check the condition of batteries.
• Disconnect the MAINS and the batteries BEFORE removing or inserting any board.
• Disconnect ALL power supply sources from the control unit BEFORE performing any servicing.
• The control unit and the connected devices (sensors, modules, repeaters, etc.) may be damaged if a new board is inserted or removed, or if the
powered cables are connected.
• The most common cause of malfunctions is inappropriate maintenance.
• Pay particular attention to these aspects from the start of the system planning phase; this will facilitate future servicing and will reduce cost.
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