FLYGT CAS Handbuch

Installation and service

CAS

894635/01

Installation och skötsel

Montage unde Service

Installation et entretien

Instalación y servicio

Installazione e manutenzione

English, page 3

Svenska, sid 13

Deutsch, Seite 23

Français, page 33

Español, página 43

Italiano, pagina 53

GUARANTEE

CONTENTS

Page Page

CONTENTS

General__________________________________ 4

Functions________________________________ 4

Eletrical connection ________________________ 6

ITT Flygt undertakes to remedy faults in products sold

by ITT Flygt provided:

— that the fault is due to defects in design, materials

or workmanship

— that the fault is reported to ITT Flygt or ITT Flygt’s

representative during the guarantee period

— that the product is used only under conditions

described in the care and maintenance instructions

and in applications for which it is intended

— that the monitoring equipment incorporated in the

product is correctly connected

— that all service and repair work is done by a

workshop authorized by ITT Flygt

— that genuine ITT Flygt parts are used.

Hence, the guarantee does not cover faults caused

by deficient maintenance, improper installation,

incorrectly executed repair work or normal wear and

tear.

ITT Flygt assumes no liability for either bodily injuries,

material damages or economic losses beyond what is

stated above.

ITT Flygt guarantees that a spare parts stock will be

kept for 15 years after the manufacture of this product

has been discontinued.

The manufacturer reserves the right to alter perfor-

mance, specification or design without notice.

Tehnical data_____________________________ 7

Fault tracing (trouble shooting) _____________ 8

Scheme of functions ______________________ 12

English

These instructions do not apply to units delivered

with article number 83 58 41, which are programmed

for other functions. The fault tracing scheme applies

to the standard version 83 58 40 only.

The figures in the text refer to the numbers on the

front cover (1 – 32) and also to the picture below

(51 – 61).

GENERAL

Channel A, liquid level

This channel is used, for example, for monitoring of

possible liquid leakage into the stator casing. A sensor

is incorporated in the lower part of the stator casing.

The sensor changes resistance from about

1.5 kΩto about 330 Ωif liquid enters.

Another sensor that can be connected to this channel

is the water in oil sensor, called CLS (capacitive

leakage sensor). The CLS-30 monitors the content of

water in the oil housing or the gear box and alarms at

a percentage > 35.

Input indication

The pilot lamp 51 is lit to indicate interruption or short-

circuit.

Alarm

After alarm for about 5 seconds, the alarm function A

is activated, the red pilot lamp 53 is lit, the Σ-alarm

function is activated (the pilot lamp is lit) and the

interlock (11 – 12) drops, whereby the pump/turbine is

disconnected and the pilot lamp 59 will go out.

Reset

Resetting can only be done manually, by pushing the

reset button connected to the entrance (22, 23).

Flygt’s monitoring unit, 83 58 40, is designed for use in

pumps from model 3231 and larger models equipped

with drive units 680-945. Turbines equipped with

generators 705-935 are also covered by the monitoring

system.

The monitoring unit is connected to the standardized

range of sensors incorporated in all the products

covered.

FUNCTIONS

Channel B, oil pressure

(or liquid level)

This channel with RUN connected to a normally open

contact is to be used to monitor the oil pressure in

machines equipped with a gear unit. On machines

without a gear unit, the channel can be used in the

same manner as channel A, provided that RUN is not

connected.

Input indication

The pilot lamp 52 is lit to indicate interruption or

shortcircuit. If the channel is not used (machines

without a gear unit) the pilot lamp will always light.

Alarm

After an alarm from the sensor for about 5 seconds,

the alarm function B is activated, the pilot lamp 54 is

lit, the Σ-alarm function is activated, the pilot lamp 57

is lit and the interlock (terminals 11 and 12) drops,

whereby the pump/turbine is disconnected and the

pilot lamp 59 will go out.

Reset

Resetting can only be done manually.

Channel C, temperature

monitoring

This channel is intended to monitor the stator’s

temperature with thermal switches or up to 3 PTC

thermistors. The thermal switches are normally closed

but they open at 140°C ± 5°C (284°F).

Alarm

When the resistance exceeds 3 kΩ, the alarm function

C is activated, the pilot lamp 55 is lit, the Σ-alarm

function is activated, the pilot 57 is lit and the interlock

(terminals 11 and 12) drops, whereby the pump/

turbine is disconnected and the pilot lamp 59 is put

out.

Reset

Resetting can only be done manually and only when

the resistance has fallen to about 900 Ω, i.e. the stator

has cooled down.

Channel D, Pt 100 sensor

This channel is used for monitoring and analog

indication of the temperature of the main (lower)

bearing. The channel can only be connected to a

temperature sensor of type Pt-100 (DIN 437 60).

The alarm value can be set by potentiometer 60

(see “Fault tracing”). The unit is delivered set to an

alarm value of 100°C (212°F).

Indicator instrument

(extra equipment)

The channel has an output for analog reading of the

bearing temperature. An indicator instrument can be

connected to terminals 31 and 32 (NOTE! Correct

polarity ±). The instrument shows the Pt-100 sensor’s

temperature. If switch 58 is depressed, the instrument

shows the set alarm value.

Alarm

When the alarm value is reached, the alarm function

is activated, the pilot lamp 56 is lit and the Σ-alarm

function is activated. The pilot lamp 57 is lit and the

interlock (terminals 11 and 12) drops, whereby the

pump/turbine is disconnected and the pilot lamp 59

will go out.

Reset

Resetting can only be done manually.

English

ELECTRICAL CONNECTIONS

The monitoring unit is designed to be installed in a

control panel. The unit can be mounted either on a

35 mm symmetric DIN rail, or directly on a mounting

plate.

The drawing on page 6 shows the positioning of the

drill holes for mounting on a flat surface. The electrical

connections shall be made in accordance with the

electrical diagram (see also the top of the unit).

Connect a 24 VAC power source to terminals 14 and

16. Connect a normally open spring switch for reset

after alarm between terminals 22 and 23.

Connect the starter’s interlock circuit between

terminals 11 and 12 so that the pump/turbine is shut

off when an alarm is issued.

Connect 29 and 30 with a jumper, except when a

3-lead system for compensation for the resistance of

the sensor leads is used.

Check before start that all leads are connected to the

right terminals and that the screws are tightened.

Disconnect all connections with voltages higher than

24 V before working on the unit.

Supply voltage 24 V AC ±10 % 50 – 60 Hz

Power consumption Max 5 VA

Dimensions mm (in) (W × H x D) 150×70×112 (5.9×2.75×4.4)

Temperature range 0°C – + 50°C (32°F–122°F). Max 80% RH

Channel A

Voltage to detector 12 V DC

Alarm I > 20 mA

Output alarm Solid state relay 24 V AC, 100 mA

Channel B

Voltage to detector 12 V DC

Alarm I > 20 mA

( I < 20 mA if RUN is activated)

Output alarm Solid state relay 24 V AC, 100 mA

Channel C

Alarm R Ω3kΩΩ

Output alarm Solid state relay 24 V AC, 100 mA

Reset Manual when R < 900 Ω

Channel D

Alarm R > Rset

Output alarm Solid state relay 24 V AC, 100 mA

Output Max. load approx. 250 Ω

0 – 20 mA range 50°C – 150°C

(122°F–302°F) (0,2 mA/°C ±2,5 %)

ΣΣ

Σ-alarm

Alarm Activated by alarm from each

individual channel

Output alarm Solid state relay 24 V AC, 100 mA

Interlock

Alarm Activated by alarm and supply failures

Function Normally closed

Breaking capacity 240 V 4 A vid cos

= 1

Drilling instruction

TECHNICAL DATA

English

FAULT TRACING (TROUBLE SHOOTING)

With the aid of a multimeter and a couple of resistors,

it is possible to check from the outside whether the

unit is functioning properly. The multimeter shall have

an internal resistance of at least 20 kΩ/volt.

In order for the monitoring unit to function properly,

the supply voltage must lie within the specified limits,

i e 24 V AC ±10 %.

It is important to check the value of the resistors

before using them to check the D-channel. All

functions shall be tested during fault tracing. If any

function is not right, contact your ITT Flygt service

shop.

Supply voltage

Is pilot lamp 61 lit ? Check that supply current is

correctly connected.

Yes

Connect the multimeter to Investigate possible faults in the

terminals 14 and 16. power supply.

Is the voltage 21.6 – 26.4 V AC?

Yes

Channel A No

Connect the multimeter to Check the supply voltage.

terminals17 and18. Contact an ITT Flygt service shop.

(NOTE! Correct polarity ±.)

Is the voltage 10.8 – 12 V DC?

Yes

Disconnectthe leakage sensor. Contact an ITT Flygt service shop.

Does pilot lamp 51 light ?

Yes

Connect the resistor, 330 ΩContact an ITT Flygt service shop.

1/2 watt (or reference sensor)

between terminals 17 and 18.

Does the pilot lamp 51 go out ?

Yes

Is A-alarm activated after Contact an ITT Flygt service shop.

about 5 seconds ?

Yes

Channel B No

Connect the multimeter to Check the supply voltage.

terminals19 and20. Contact an ITT Flygt service shop.

(NOTE! Correct polarity ±.)

Is the voltage 10.8 – 12V DC?

Yes

Disconnectthe sensorand Contact an ITT Flygt service shop.

the RUN-switch. Does the

pilot lamp 52 light?

Yes

Connect the resistor, 330 ΩContact an ITT Flygt service shop.

1/2 watt (or reference sensor)

between terminals 19 and 20.

Does the pilot lamp 51 go out ?

Yes

Is B-alarm activated within Contact an ITT Flygt service shop.

5 seconds ?

Yes No

Disconnect the resistor Contact an ITT Flygt service shop.

(or reference sensor).

Reset B-alarm. Activate the

RUN-function by jumpering

24 and 25.

Is B-alarm activated after

about 30 seconds?

Yes

Channel C No

Disconnect the sensor from Contact an ITT Flygt service shop.

terminals 26 and 27.

Is C-alarm activated?

Yes

CanC-alarmbereset Contact an ITT Flygt service shop.

manually?

English

Connect the resistor 680 ΩContact an ITT Flygt service shop.

or 820 Ω(or a jumper),

between terminals 26 and 27.

Can C-alarm be reset

manually?

Yes

Channel D

Connect an ammeter to

terminals 31 and 32 (NOTE!

Correct polarity ±).Depress

switch 58. The instrument

shall now indicate the set

alarm level (from factory,

set to 100° C (212°F), which

corresponds to 10 mA).

For test of the channel D-alarm

function, the instrument

shall indicate 7 – 14 mA.

Adjust if necessary with

potentiometer 60.

Turn off the supply current. Contact an ITT Flygt service shop.

Disconnect the sensor from

terminals 28, 29 (and 30).

Connect a jumper between

29 and 30. Connect a resistor

130 Ωbetween terminals

28 and 29. Turn the supply

current back on. Does the

instrument indicate about

5.5 mA?

Yes

Turn off the supply current. Contact an ITT Flygt service shop.

Substitute a 150 Ω resistor

for the 130 Ω resistor. Turn the

supply current on. Does the

instrument indicate about

16 mA?

Yes

Is D-alarm activated and Contact an ITT Flygt service shop.

cannot be reset?

Yes

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