Chapter 6 Maintenance And Scheduled Testing; Routine Maintenance; Weekly Checks - Honeywell Touchpoint Plus Wireless User Manual

Issue 1 04/19
3020M5044_1

Chapter 6 Maintenance and Scheduled Testing

This chapter describes how to perform common maintenance operations and system testing. The required
frequency of inspection and maintenance will depend on local site conditions and will need to be established
through experience. Refer to IEC/EN 60079-29-2, EN45544-4 or other local or national regulations for
guidance on establishing an appropriate maintenance routine.
If the relays are switching mains voltages, hazardous live terminals may be present within the

6.1 Routine Maintenance

Test outputs will be generated and relays will be activated during Cause and Effect (C&E) Testing.
Ensure that relay activated output systems (i.e. emergency deluge / sirens etc.) are isolated before starting the
Each sensor connected to Touchpoint Plus Wireless shall be regularly gas calibrated at the interval specified in
In order to maintain safety functions of Touchpoint Plus, mA output and relay output shall be routinely tested at
While an Operator could Force a channel, a Service password is required to isolate services, carry out tests,
For these reasons Operators should carry out visual inspections and cleaning only, unless under the direct

6.1.1 Weekly Checks


Visually inspect all cables and conduits for loose connections, security of attachment, and signs of
damage.

Wipe the TPPLW Controller with a soft damp cloth or use PC Screen cleaner.

Check for dust contamination.

Periodically exercise the outputs (Refer to the following chapters) to confirm their functionality (see the
Caution above).

Audio/Visual Alarms shall be checked weekly basis (refer to Ch.6.2.2 Exercising the Audio/Visual Alarms).
Read Chapter 2 Safety before carrying out any work on the system.
Relay Output Module even if the Touchpoint Plus Wireless system is isolated.
Ensure that all current is isolated and dissipated before touching live terminals.
Clear Force, and restore the system to full operational status.
Do not use solvent or abrasives to clean any part of the Touchpoint Plus Wireless System.
Use only soft, lightly dampened cloths or proprietary screen cleaners.
WARNING
WARNING
CAUTION
Relay and mA Output tests.
sensor's user manual.
max. yearly interval..
CAUTION
supervision of the Service engineer.
CAUTION
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