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IM-P087-33 MI Issue 6

R1C

Steam Trap Failure Monitor

Installation and Maintenance Instructions

IM-P087-33

MI Issue 6

0871750/6

1. General

safety information

2. General

product information

3. Installation

4. R1C commissioning

5. BEMS/EMS

commissioning

6. Normal operation

Printed in the UK

© Copyright 2004

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Содержание R1C

Страница 1: ...nitor Installation and Maintenance Instructions IM P087 33 MI Issue 6 0871750 6 1 General safety information 2 General product information 3 Installation 4 R1C commissioning 5 BEMS EMS commissioning 6 Normal operation Printed in the UK Copyright 2004 ...

Страница 2: ...Class B Equipment Table 4 EN 61326 1997 A1 A2 Immunity for Industrial Locations Annex A The product may be exposed to interference above the limits of EN 61326 if The product or its wiring is located near a radio transmitter Cellular telephones and mobile radios may cause interference if used within approximately one metre of the product or its wiring The actual separation distance necessary will ...

Страница 3: ...constantly measures the conditions in the steam line through a Spiratec sensor fitted in the sensor chamber or steam trap If a steam trap is operating correctly condensate will collect and submerge the sensor The R1C monitor measures the resistance at the SS1 sensor detecting whether the sensor is submerged in condensate or surrounded by steam In the case of steam leakage i e the trap has failed o...

Страница 4: ...ream of the trap with the direction of flow according to the arrow found on the body of the sensor The correct orientation is shown in Figure 1 3 1 2 Steam trap installation See installation details supplied with the steam trap 3 1 3 R1C installation The R1C enclosure is a circular conduit box with 20 mm threaded entry holes To maintain resistance to moisture use a suitable cable gland between the...

Страница 5: ...standard SS1 sensor or a WLS1 waterlogging sensor assembly These are shown below Fig 3 Sensor chamber or steam trap not shown with SS1 standard sensor Fig 4 Sensor chamber or steam trap not shown with WLS1 waterlogging sensor Note Ensure that the resistance from the body of the sensor to the pipework is less than 1W Wire the R1C to the Spiratec sensor as shown in Tables 1 and 2 below Standard sens...

Страница 6: ...t the 0 V signal from the R1C is connected through the sensor to the grounded pipework Galvanic isolation between widely separated units should be used to prevent ground loops Table 3 R1C Signal Notes PL1 pin 1 Power supply 0 V input Power return and signal reference PL1 pin 2 Power supply ve input 24 Vdc power I 35 mA See note A below PL1 pin 3 Failure output Digital signal open collector transis...

Страница 7: ...digital inputs are pulled up to a positive voltage The npn outputs act like switches connected to 0 volts During normal trap operation the npn outputs will switch On giving out 0 volts with an output resistance of 220 ohms If the trap fails one of the npn digital outputs will switch Off BEMS EMS R1C PL1 1 2 3 4 4 3 2 1 PL2 white red black Steel conduit Spiratec SS1 WLS1 sensor 0 Volts 4 20 mA anal...

Страница 8: ...ection level 4 8 mS must be greater than 4 8 microsiemens for correct operation See Table 7 Waterlogging detection The condensate at the sensor must cool below temperature 85 C this temperature before the R1C signals a waterlogging fault See Table 9 The R1C s modes of operation are configured with the DIL switches on the PCB Please note the SW1 DIL switch 1 is the test switch which should be OFF f...

Страница 9: ...perate on an analogue input signal Recommended BEMS EMS setting details are given below Table 10 BEMS EMS recommended analogue settings Trap status Nominal output Recommended BEMS EMS current from R1C alarm threshold settings Trap operating correctly 20 mA 23 0 mA setpoint 17 5 mA Trap leaking steam 15 mA 17 5 mA setpoint 12 5 mA Trap blocked or waterlogged 10 mA 12 5 mA setpoint 7 5 mA Trap cold ...

Страница 10: ...te during system Red and Orange lights On start up or when the system is shut down Green light Flashing or sensor wires disconnected During normal operation the green light flashes On every second to show that electrical power is connected to the R1C and that it is operating correctly If the green light is not flashing there may be a problem with the R1C The R1C will show a failure for as long as ...

Страница 11: ...11 IM P087 33 MI Issue 6 ...

Страница 12: ...12 IM P087 33 MI Issue 6 ...

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