MI-PTSE Optical Thermal Multisensor

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Enhanced 3 year warranty applicable when commissioned by Fitzgerald Service.

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Features

Optical and thermal sensors.

Microprocessor controlled with internal algorithms.

Enhanced signal processing for improved stability.

High immunity to unwanted alarms.

2 autolearn sensitivity settings.

3 fixed sensitivity photo thermal settings.

Thermal only detection mode.

Twin LEDs for 360° visibility.

Built-in test.

Third party certified to CEA 4021, EN54-7:2000 and EN54-5:2000.

The MI-PTSE multi sensor combines optical smoke detection, heat detection and microprocessor control with analogue addressable communications.

For smoke detection the MI-PTSE incorporates an improved sensing chamber design, linked to sophisticated processing circuitry with smoothing filters.

This helps to eliminate the transient environmental noise conditions which can be the cause of false alarms. The sensor's performance is further enhanced by the integration of special algorithms which automatically compensate for contamination of the sensing chamber. This enables the sensor to provide a consistent level of sensitivity and increased immunity to unwanted alarms.

In combined modes of operation both the inputs from the optical and thermal sensors are processed using special algorithms before an alarm decision is made. If the presence of smoke is detected above a threshold value for a period of time, or if the heat sensor detects temperatures above 58°C then an alarm condition will be generated. In "heat only" mode only temperatures above 58°C will generate an alarm condition.

The MI-PTSE includes 2 self governing sensitivity settings. Whilst operating in these modes the detector will automatically adjust to short term changes in its environment, helping to reduce the potential of unwanted alarms through activities within the protected space.

In areas where the normal daytime activities are likely to generate unwanted alarms the MI-PTSE can be programmed to operate in a "heat only" mode during the period of occupation and reverting to optical and thermal operation during the unoccupied period. The MI-PTSE offers performance flexibility coupled with superior environmental stability.

Mechanical

Material	Bayblend FR110

Weight	115g
Colour	Pantone warm grey 1C
Operating temperature	-20°C to +60°C
Relative humidity	10% to 93% (non-condensing)
Terminal wire gauge	2.5mm2 max

Dimensions

Dimensions

Electrical

Voltage	+15 to +32Vdc

Standby current	No communication - 250µA @ 24Vdc max
	One communication every 5 seconds
	LED blink: 300µA @ 24Vdc maximum
	Alarm current: 7mA @ 24Vdc maximum
Sensitivity modes	1 - High (1%/ft)
	2 - Medium to high - auto adjusting (1-2%/ft)
	3 - Medium (2%/ft)
	4 - Low to Medium - auto adjusting (2-3%/ft)
	5 - Low (3.5%/ft)
	6 - Thermal only - Class A1R (58°C)

Part Numbers

F850870	Optical Thermal multi sensor. (MI-PTSE)

Accessories
F850725	Detector sensitivity test tool. Use with most analogue or digital multimeters. (MOD400R)
F850726	Surface mounting kit provides for entry of surface wiring conduit. For use with B501 base only. (SMK400)
F850727	Recess mounting kit. For use with B501 only. B501 Detector mounting base. (RMK400)
F850877	Detector mounting base fitted with loop isolator. (B501IEFT)
Note	The MI-PTSE is compatible with B500 series bases and other sensors and modules.

Wiring

Wiring diagram