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LRM Lighting Control


The LRM is an integrated package to monitor and control lighting in a compact and controlled manner.


Due to its design, the outputs (usually for lighting contactors) can be configured to work in a number of different ways:-

1. On/Off periods defined in a schedule.

2. On/Off periods defined in a schedule plus switched on by motion sensors.

LRM Monitor

3.
On/Off periods defined in a schedule and activated by a light sensor.

The LRM has a schedule for each output. These are then broken down into schedules for each day with days configured in 15-minute intervals. If a power-loss occurs to the LRM the outputs will de-energise to the ON condition.

A Managers Override Station can be used to set an output ON, OFF or AUTO (where it is set to the state defined by the LRM) if:-

A. The MOS is used and the request does not match the existing condition the output will change to match that condition. When the schedule requests the condition to change it will be put back into Auto.  This allows a schedule to be immediately changed if required.

B. The MOS is used and the request matches the existing condition the output will not change state. When the schedule next requests a change it is ignored until another change of state. This allows schedules to be extended before the output is changed but means it is not left permanently ON or OFF.

Schedules are configured using a PC (running the appropriate Parasense Pro Software) via TCP/IP. In this way the system can be controlled from any point within the building.

Key Benefits & Features

User programmable time
schedule
- Lighting schedule to building occupation pattern.
- lighting circuits switched when not needed.
Two level light sensor input - Lux level maintained between parameters.
- user comfort zone maintained.
Movement sensor input - M15 min switch of delay on detected movement.
- on period extended for after hours occupation.
Manager override - Authorised override of schedule.
- flexible control always available.
Local PC control & override - On-site control.
- schedule modification for site manager.
Internet control & override - Remote off-site control.
- schedule modification for un-supervised sites.
 
Typical LRM Installation


Typical LRM Schematic

 

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Cooling Industry Awards 2009

F-Gas Information

Parasense Press Release

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