Flowserve TRS 5-8 Manual de usuario descargar pdf (Pagina 8)

Function

The temperature switch TRS 5-8 is a two-channel temperature monitoring system

used in conjunction with a standardized platinum resistance thermometer Pt 100 in

accordance with DIN IEC 751. A power source fitted with a variable resistor supplies

the resistance thermometer with a constant current. The desired cut-off

temperatures are adjusted by means of an eight-pole code switch. To ensure a fail-

safe alarm signal as soon as the temperature exceeds the max. limit the output

contact relays of the TRS 5-8 are of the normally closed type.

In the event of a power supply failure the temperature switch will signal an alarm

condition.

The temperature switch is designed for two operating conditions:

■ Normal operation (temperature within admissible range)

■ Alarm (temperature above/below limit)

The green LED indicates power supply. The two red LEDs indicate alarm when the

temperature exceeds the adjusted limit.

Description

The

MAX/MIN temperature switch TRS 5-8 used in conjunction with resistance

thermometer TRG 5-53, TRG 5-54, TRG 5-55, TRG 5-56, TRG 5-57, TRG 5-58 is a

temperature controller in accordance with DIN 3440.

When the actual value exceeds the adjusted limit the equipment will trigger an alarm.

Application in steam boilers, pressurized hot-water plants operating without constant

supervision (TRD 604) as well as any other kind of heat generating unit.

Design

TRS 5-8b:

Plug-in unit in plastic case for snapping onto the supporting rail TS 35 x 15 to DIN

EN 50022 for installation in control cabinets.

Explanatory Notes

Scope of supply

TRS 5-8 b

1 Temperature switch (plug-in unit in plastic case for installation in control

cabinets)

1 Installation manual

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

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Flowserve TRS 5-8 Manual de usuario Pagina 8