5.1.7

Steam traps

Steam trap management

Local regulations may restrict the use of this product to below the conditions quoted.

In the interests of development and improvement of the product, we reserve the right to change the specification without notice.

© Copyright 2014

TI-P087-32

MI Issue 4

Description

R1C

Steam Trap Failure Monitor

The R1C steam trap failure monitor will monitor the performance of a single steam trap when used in conjunction with a Spiratec sensor

chamber and sensor or a steam trap with integral sensor. It will indicate whether a trap is operating correctly, passing live steam or has failed

closed by means of coloured trap status lights on the unit. Analogue and digital outputs allow it to be connected directly to BEMS / EMS to

indicate steam trap status remotely.

System components

To detect a steam trap that is leaking steam, a standard SS1 Spiratec sensor is installed in a sensor chamber or steam trap. To detect a steam

trap that is leaking steam or is waterlogged, a WLS1 Spiratec waterlogging sensor assembly is installed in a sensor chamber or steam trap.

R1C system installation

The R1C must be installed in a steel conduit system within 10 m of the Spiratec sensor.

Connections

The R1C enclosure is a circular conduit box with M20 threaded entry holes. To maintain resistance to moisture, use a suitable cable gland

between the R1C and the Spiratec sensor (Type SS1 or WLS1). If the cable to the BEMS / EMS passes through a conduit, make sure that the

threaded connection to the R1C is water-tight to maintain the IP65 enclosure rating. Details of electrical connection are supplied with the product.

Materials

Body

Cast malleable iron with a black enamel finish.

Enclosure rating

IP65 (when fitted with correct cable glands)

Electromagnetic compatibility directive (EMC)

89/336/EEC:

EN 61326: 1997 A1 and A2 Emmissions - Class B equipment, Table 4

EN 61326: 1997 A1 and A2 Immunity for Industrial Locations, Annex A

R1C supply voltage

The required supply voltage for the R1C depends on the output signal

configuration as described below. To remain compliant the R1C needs

Trap leaking steam detection period

Internal switches in the R1C allow the trap leaking detection

period to be set to 2, 22, 44 or 88 minutes.

Condensate conductivity levels

Internal switches in the R1C allow the condensate conductivity

detection level to be set to 17, 4.8 or 1.2 microsiemens depending

on local conditions. In addition it can be disabled if required.

Trap waterlogging temperature levels

Internal switches in the R1C allow the waterlogging temperature

level to be set to 48°C, 63°C, 85°C, 111°C, 140°C, 169°C or 191°C.

In addition it can be disabled if required.

As supplied, the R1C comes factory set as follows:

to be connected to a

and must be earthed.

marked BEMS/EMS system or power supply

R1C configuration

4 - 20 mA output not used

4 - 20 mA output used

R1C operation

Trap status

Trap operating correctly

Trap leaking steam

Trap blocked or waterlogged

Trap cold but free of condensate

(this is a common state during

system start-up or when the

system is shutdown).

Supply voltage required

separate 9-30 Vdc, < 35 mA

separate 22-30 Vdc, < 35 mA

Status lights

Red and orange lights OFF

Green light FLASHING

Red light ON

Green light FLASHING

Orange light ON

Green light FLASHING

Red and orange lights ON

Green light FLASHING

green light flashes ON every

Channel

Leak detection

period

Leak detection

level

Failure detection

22 minutes

4.8 μS

Notes

The trap must leak steam

for 22 minutes before the

R1C signals a fault.

The conductivity of the

condensate in the sensor

chamber must be greater

than 4.8 microsiemens

for correct operation.

The condensate in the

sensor chamber must

cool below this temperature

before the R1C signals

a waterlogging fault.

Note: During normal operation, the

second to show that electrical power is connected to the R1C and

that it is operating correctly.

Waterlogging

detection

85°C

temperature