Nordmann Engineering Omega Pro Manuale utente

SERVICE MANUAL

Steam humidier

Nordmann Omega Pro

2588797 EN 1701

Proprietary Notice

This document and the information disclosed herein are proprietary data of Nordmann Engineering AG. Neither

this document, nor the information contained herein shall be reproduced, used, or disclosed to others without the

written authorization of Nordmann Engineering AG, except to the extent required for installation or maintenance

of recipient's equipment.

Liability Notice

Nordmann Engineering AG does not accept any liability due to incorrect installation or operation of the equipment

or due to the use of parts/components/equipment that are not authorized by Nordmann Engineering AG.

Technical modications reserved

Contents

1 Introduction 5

2 For your safety 6

3 Factory settings 7

3.1 Factory settings in "Factory" submenu 7

3.1.1 Determining unit settings 8

3.1.2 Determining unit settings 10

3.1.3 Determining the settings for the USB logger 11

3.1.4 Reset unit to factory default 12

3.2 Factory functions in the "Service" submenu 13

3.2.1 Reset fault and service history 13

3.2.2 Output diagnostic functions 14

4 Operational malfunctions 16

4.1 W20/E20 - External safety loop open or interrupted 16

4.2 E22-Maximumllingtimeexceeded 17

4.3 E26 – Main contactor jammed 18

4.4 W28/E28 - Small maintenance due 19

4.5 E29 - Extended maintenance due 20

4.6 W32 - Humidity sensor signal interrupted 21

4.7 E34 - Maximum drain time exceeded 22

4.8 E47 - Invalid level detected 23

4.9 E52 - Unstable level 24

4.10 E56 - Internal safety loop interrupted 25

4.11 E58 - Leak sensor 26

4.12 E74 - Keep Alive signal missing 26

4.13 E80 - USB Logger fault 27

4.14 E82 - Driver missing 27

4.15 E83 - Driver board address of extension unit wrong 28

4.16 E84-Driverboardunspecic 28

4.17 E85 - Product ID of driver board wrong 29

4.18 E86 - Wrong version of driver board 29

4.19 E87 / E88 / E89 – Driver local supply voltage 30

4.20 W95 - Heating voltage missing 31

4.21 E97 / E98 - 24 V/10 V output of driver board out of admissible range 31

4.22 E100 - Fault state on output driver of inlet valve 1 32

4.23 E101 - Fault state on output driver of inlet valve 2 32

4.24 E111 - Fault state on output driver of optional drain water cooling valve 33

4.25 E112 - Fault state on output driver of optional scale collector drain valve 33

4.26 E120 - Fill time minimum 34

4.27 E121 - Maximum vaporization time exceeded 35

5 Notes on unit components and functions 37

5.1 Main electronic components 37

5.2 Unit versions 37

5.3 Control signals 38

5.4 Heating control Nordmann Omega Pro 38

5.4.1 Steam demand and heating assemblies Nordmann Omega Pro 38

5.5 Level unit 40

5.6 Fill and drain sequences 40

5.6.1 Fill and drain states on the Basic unit 40

5.6.2 Fill and drain states on the Basic unit with option P 41

5.7 Level controlled drain 41

5.8 Idle Drain 42

5.9 Timer controlled drain 42

5.10 Service interval times and reduction time 43

5.10.1 Manual input of the service interval times and reduction time 43

5.10.2 Calculated service interval and reduction time 44

5.11 SIM card 48

5.11.1 The integrated controller starts with a new, empty SIM card 48

5.11.2 The serial number of the SIM card and the integrated controller are identical 48

5.11.3 The serial number of the SIM card and the integrated controller are not identical 48

5.11.4 Replacing the integrated controller board and using the existing SIM card 49

6 Appendix 52

6.1 Nordmann Omega Pro 400 V standard unit wiring 52

The present service manual is meant for the trained Nordmann service technician and assumes a profound

knowledge on the Nordmann Omega Pro. It is also assumed that the Service technician has notice of

the installation manual and operation manual of the Nordmann Omega Pro and that he is familiar with

the dangers when working on the unit.

The present service manual includes the following information:

– Description of the settings in the factory level of the Nordmann Omega Pro control.

– Information on operational malfunctions

– Notes on unit components and functions

Symbols used in this manual

CAUTION!

The catchword "CAUTION" used in conjunction with the caution symbol in the circle designates notes

in this service manual that, if neglected, may cause damage and/or malfunction of the unit or other

material assets.

WARNING!

The catchword "WARNING" used in conjunction with the general caution symbol designates safety

and danger notes in this service manual that, if neglected, may cause to injury to persons.

DANGER!

The catchword "DANGER" used in conjunction with the general caution symbol designates safety

and danger notes in this service manual that, if neglected, may lead to severe injury or even death

of persons.

1 Introduction

General

The service technician working with the Nordmann Omega Pro must have read and understood the

present service manual as well as the installation manual and the operation manual of the Nordmann

Omega Pro before carrying out any work.

Knowing and understanding the contents of the service manual as well as the installation manual and

the operation manual of the Nordmann Omega Pro is a basic requirement for protecting the personnel

against any kind of danger, to prevent faulty operation, and to operate the unit safely and correctly.

Qualication of personnel

All work described in this service manual must only be carried out by trained Nordmann service

technicians.

It is assumed that the service technicians working with the Nordmann Omega Pro are familiar and comply

with the appropriate regulations on work safety and the prevention of accidents.

Danger that may arise from the Nordmann Omega Pro steam humidier

DANGER!

Danger of electric hazard!

The Nordmann Omega Pro is mains powered. Live parts may be exposed when the unit is open.

Touching live parts may cause severe injury or danger to life.

Prevention: Before carrying out any work set the Nordmann Omega Pro out of operation (switch off

the unit, disconnect it from the mains and stop the water supply) and secure the unit against inadvert-

ent power-up.

WARNING!

Hot water vapour - Danger of scalding!

The Nordmann Omega Pro produces hot water vapour. There is danger of scalding when com-

ing in contact with hot water vapour.

Prevention: Do not carry out any work on the steam system during operation (steam lines, steam

distributor, blower pack, etc.). If the steam system is leaky set the Nordmann Omega Pro immediately

out of operation (switch off the unit, disconnect it from the mains and stop the water supply) and

secure the unit against inadvertent power-up. Correctly seal the steam system before putting the unit

into operation again.

WARNING!

Danger of burning!

During operation the components of the steam system (steam cylinder, steam distributor, etc.)

get very hot (up to 100 °C). There is danger of burning when touching the hot components.

Prevention: Before carrying out any work on the steam system set the Nordmann Omega Pro out

of operation (switch off the unit, disconnect it from the mains and stop the water supply) and secure

the unit against inadvertent power-up. Then, wait until the components have cooled down sufciently

thus preventing danger of burning.

2 For your safety

With the factory password "1055" you may access the factory settings in the "Factory" submenu as well

as the factory functions in the "Service" submenu.

3.1 Factory settings in "Factory" submenu

• Select the "Factory" submenu as shown below.

Password: 1055

3 Factory settings

3.1.1 Determining unit settings

• In the "Factory" submenu press on the <Operating Mode> button. The unit settings parameter

appear.

– Brand: With this setting you determine the brand name of the steam

humidier.

Factory setting: Nordmann

Options: Nordmann (for Nordmann Omega Pro) or

Condair (for Condair RS)

– Nominal Voltage: With this setting you determine the heating voltage of

the of the steam humidier.

Factory setting: 400V

Options: 200V, 208V, 230V, 240V, 380V, 400V, 415V,

440V, 460V, 480V, 500V, 550V, 600V

– Nominal Capacity: With this setting you determine the nominal steam

capacity of the steam humidier.

Factory setting: 5kg

Options: 5kg, 8kg, 10kg, 16kg, 20kg, 24kg, 30kg, 40kg,

50kg, 60kg, 70kg, 80kg

– Flicker Correction: With this setting you determine a icker Gradient to

adjust the factory set icker time.

Important: icker regulations are only complied if the "Consider icker

rule" function in the unit settings of the user level is set to "On" and the

icker Gradient is set ≥2.0.

Factory setting: 2.0

Setting range: 0.1 ... 4.0

– Evaporation correction: With this setting you determine a factor to mul-

tiply the minimal demand threshold of the evaporation monitoring. See

also fault description E121 in chapter 4.26.

Factory setting: 2.0

Setting range: 1.0 ... 5.0

– Unit stop: Fill time E22: With this setting you determine whether the

steam humidier should be blocked after the max. lling time is exceeded

("On") or if it should keep trying to recover ("Off").

Factory setting: Off

Setting range: On

Off

3.1.2 Determining unit settings

• In the "Factory" submenu press on the <Options> button. The optional settings parameter appear.

– Maintenance Small: With this setting you determine whether the mainte-

nance counter for the small maintenance is activated ("On") or not ("Off").

Factory setting: dependent on unit type (with or without scale

collector tank)

Options: On (on units with scale collector tank) or Off (on units

without scale collector tank)

– Drain Cool: With this setting you can activate ("On") or deactivate ("Off")

the software function for the optional drain cooling if the Nordmann Omega

Pro is equipped with the optional drain cooling.

Factory setting: Off

Options: On (drain cooling activated) or

Off (drain cooling deactivated)

– Complete Drain: With this setting you can activate ("On") or deactivate

("Off") the software function for the optional scale collector tank drain valve

for draining the scale collector tank.

Factory setting: Off

Options: On (optional scale collector tank drain valve activa-

ted) or

Off (optional scale collector tank drain valve activated)

– Fan On: With this setting you can activate ("On") or deactivate ("Off")

the software function for the control of a fan of the AHU via the optional

accessory board.

Factory setting: Off

Options: On (fan control function activated) or

Off (fan control function deactivated)

– Hygiene Flush: With this setting you can activate ("On") or deactivate

("Off") the water supply line ushing function.

Factory setting: Off

Options: On (water supply line ushing function activated) or

Off (water supply line ushing function deactivated)

– Int.-/Ext. Valve: With this setting you determine whether the ushing of

the water supply line is established via the optional internal drain water

cooling valve ("Internal Valve") or the optional external ushing valve

("External Valve").

Note: This menu item appears only if the water supply line ushing func-

tion is activated.

Factory setting: Internal Valve

Options: Internal Valve (ushing is established via the opti-

onal internal drain water cooling valve) or

External Valve (ushing is established via the

optional external ushing valve)

3.1.3 Determining the settings for the USB logger

• In the "Factory" submenu press on the <Options> button, then select the"USB Logger" tab.

– Mode: With this setting you determine whether the USB logger function

is activated ("On") or not ("Off").

Factory setting: Off

Options: On (USB logger function activated) or

Off (USB logger function deactivated)

– Interval: With this setting you determine in which intervals the data are

stored on the USB memory stick.

Factory setting: 60 seconds

Setting range: 1 ... 120 seconds

– Reset Mode: With this setting you determine whether the steam humidier

is reset automatically if a failure is detected during the writing process to

the USB logger ("Request Delayed") or not ("No"). If the reset function is

activated the steam humidier will be reset after a writing failure as soon

as there is no demand for >2min.

Factory setting: No

Options: No (reset mode deactivated)

Request Delayed (reset mode activated)

– Digital Input J8: With this setting you determine whether the digital signal

input J8 is deactivated ("Off) or wether it shall be used for leakage mo-

nitoring ("Leakage Sensor") or for the external triggering of a drain cycle

("External Drain").

Note: if the digital signal input J8 is set to "Leakage Sensor" a leakage

alarm is triggered, if the contact opens. If the digital signal input J8 is set

to "External Drain" a drain cycle is triggered, if the contact is closed.

Factory setting: Off

Options: Off (the digital signal input J8 deactivated) or

Leakage Sensor (the digital signal input J8 is used

for leakage monitoring) or

External Drain (the digital signal input J8 is used

for external triggering of a drain cycle)

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