Condair Nortec GS Series User manual

OPERATION AND
MAINTENANCE MANUAL
Gas-fired Steam Humidifier
Nortec GS-Series
2583701_C_EN_1812_Nortec-GS_OM
Humidication and Evaporative Cooling
NORTEC
IMPORTANT! Read and save these instructions. This manual to be left with the equipment.

DANGER!
Fire or explosion hazard!
If the information in this manual is not followed
exactly, a re or explosion may result causing
property damage, personal injury or loss of life.
DO NOT store or use gasoline or other ammable va-
pors and liquids in the vicinity of the humidier or any
other appliance.
WHAT TO DO IF YOU SMELL GAS
• DO NOT try to light any appliance.
• DO NOT touch any electrical switch.
• DO NOT use any phone in the building.
• Immediately call your gas supplier from a neighbor's
phone. Follow the gas supplier's instructions.
• If you cannot reach your gas supplier, call the re
department.

OPERATION AND
MAINTENANCE MANUAL
Gas-fired Steam Humidifier
Nortec GS-Series
2583701_C_EN_1812_Nortec-GS_OM

Thank you for choosing Condair!
INSTALLATION DATE (DD/MM/YYYY):
COMMISSIONING DATE (DD/MM/YYYY):
SITE:
MODEL:
SERIAL NUMBER:
Proprietary Notice
This document and the information disclosed herein are proprietary data of Condair Ltd. Neither this document, nor
the information contained herein shall be reproduced, used, or disclosed to others without the written authorization
of Condair Ltd., except to the extent required for installation, operation or maintenance of the customer's equipment.
Liability Notice
Condair Ltd. does not accept any liability due to incorrect installation, maintenance or operation of the equipment,
or due to the use of parts/components/equipment that are not authorized by Condair Ltd.
Copyright Notice
© Condair Ltd, All rights reserved.
Loctite® is a registered mark of the Henkel Corporation.
Technical modication rights reserved.

5Contents
Nortec GS 2583701_C_EN_1812_Nortec-GS_OM
Contents
1 Introduction 7
1.1 Before You Start! 7
1.2 General 7
2 For Your Safety 9
3 Product Overview 13
3.1 General Description 13
3.2 Functional Description 15
4 Operator Interface 18
4.1 Controls 18
4.2 Control Software 19
4.2.1 Home Screen 19
4.2.2 General Navigational Elements 20
4.2.3 Operating Status 21
4.2.4 Maintenance and Fault Status 22
4.2.5 Help 22
4.2.6 System Information 23
4.2.7 Main Menu 27
4.2.7.1 Conguration Menu 28
4.2.7.2 Service Menu 42
4.2.7.3 Administrator Menu 47
4.3 Software Conguration 48
4.3.1 Conguring the Control Software 48
4.3.2 Conguring for Multi-Unit Operation 49
5 Operation 50
5.1 General 50
5.2 Operating Procedures 50
5.2.1 Filling the System 50
5.2.2 Ignition Safety Shuto󰀨 Test 50
5.2.3 Starting the Humidier 51
5.2.4 Remote Monitoring 52
5.2.5 Inspections During Operation 52
5.2.6 Manually Initiate Tank Draining 53
5.2.7 Full Tank Blowdown 53
5.2.8 Shutting Down 54
5.2.9 Restarting After Shutdown 54
6 Maintenance 56
6.1 General 56
6.2 Mandatory Maintenance Schedule 57
6.3 List of Consumables 58

6Contents 2583701_C_EN_1812_Nortec-GS_OM Nortec GS
6.4 Management of Scale and Chloride Levels 58
6.4.1 Adjusting Blowdown Settings 59
6.5 Maintenance Procedures 60
6.5.1 Removal and Installation of Access Panels 60
6.5.2 Cleaning the Tank 61
6.5.3 Cleaning the Secondary Heat-exchanger 64
6.5.4 Cleaning the Float Chamber 65
6.5.5 Cleaning Hoses, Dual Fill Valves and Drain Pump 66
6.5.6 Cleaning the Burner Assembly 68
6.5.7 Replacing Backup Battery 70
6.5.8 Replacing Internal Fuse 71
6.5.9 Resetting Service Reminder 72
6.6 Installing Software Updates 72
7 Fault Isolation 74
7.1 General 74
7.2 Fault Indication 74
7.3 General Troubleshooting 75
7.4 Nortec GS Warning and Fault List 77
7.5 Resetting Fault Status 86
7.6 Driver Board Layout 87
7.7 Integrated Control Board Layout 87
8 Wiring Diagrams 88
9 Decommissioning 90
9.1 General 90
9.2 Removal from Service for Disposal or Long-term Storage 91
9.3 Disposal/Recycling 91
10 Product Specications 92
10.1 Performance Data 92
10.2 Operating Data 92
10.3 Size and Weight 93
A Appendix 94
A.1 Torque Values 94
A.1.1 Torque Sequences 95

7Introduction
Nortec GS 2583701_C_EN_1812_Nortec-GS_OM
1 Introduction
1.1 Before You Start!
Thank you for purchasing the Nortec GS humidier.
The Nortec GS humidier incorporates the latest technical advances and meets all recognized safety
standards. Never-the-less, improper use of the Nortec GS humidier may result in danger to the user
or third parties, and/or damage to property.
To ensure safe, proper and economical operation of the Nortec GS humidier, observe and comply with
all information and safety instructions contained in this manual, as well as all relevant documentation of
components of the installed humidication system. Comply with all local and regional regulations dealing
with gas, combustion air, ue gases, water, steam and electrical systems.
If you have additional questions, contact your Condair representative. They will be glad to assist you.
1.2 General
Limitations
The subject of this manual is the Nortec GS humidier. The various options and accessories may only
be described in-so-far as is necessary for proper installation and operation of the equipment. Additional
information on available options and accessories can be obtained in the instructions that are supplied
with them.
This manual is restricted to the operation and maintenance of the Nortec GS humidier, and is intended
for well trained personnel who are suitably qualied for their respective tasks.
Symbols Used in This Manual
CAUTION!
The catchword "CAUTION" in conjunction with the general caution symbol is used to provide safety
instructions that, if neglected, may cause damage and/or malfunction of the unit or damage to
property.
WARNING!
The catchword "WARNING" in conjunction with the general warning symbol is used to provide
safety instructions that, if neglected, may cause injury to personnel. Other specic warning symbols
may also be used in place of the general symbol.
DANGER!
The catchword "DANGER" in conjunction with the general danger symbol is used to provide safety
instructions that, if neglected, may cause severe injury to personnel or even death. Other specic
danger symbols may also be used in place of the general symbol.

8Introduction 2583701_C_EN_1812_Nortec-GS_OM Nortec GS
Other Related Publications
This Operation and Maintenance Manual is supplemented by other publications such as the Installation
Manual, Spare Parts List, etc., which are included in the delivery of the equipment. Where necessary,
appropriate cross-references to these publications have been added in this manual.
Storage of Manual
Keep this manual in a place where it is safe and readily accessible. If the equipment is moved to another
location, make sure that the manual is passed on to the new user.
If the manual is lost or misplaced, contact your Condair representative for a replacement copy.
Language Versions
This manual is also available in other languages. Contact your Condair representative.

9For Your Safety
Nortec GS 2583701_C_EN_1812_Nortec-GS_OM
2 For Your Safety
General
Every person who is tasked with the operation and maintenance of the Nortec GS humidier must read
and understand this manual before performing any work. Knowing and understanding the contents of
the Installation Manual, and the Operation and Maintenance Manual is a basic requirement for protect-
ing personnel against any kind of danger, preventing faulty operation, and operating the unit safely and
correctly.
All labels, signs and markings applied to the Nortec GS humidier must be observed and kept in a
readable state.
Personnel Qualications
All procedures described in this manual must only be performed by personnel who are adequately quali-
ed, well trained and are authorized by the customer.
For safety and warranty reasons, any activity beyond the scope of this manual must only be performed
by qualied personnel authorized by Condair.
All personnel working with the Nortec GS humidier must be familiar with, and comply with the appropri-
ate regulations on workplace safety and prevention of accidents.
Intended Use
The Nortec GS humidier is intended exclusively for air humidication using a Condair-approved steam
distributor within specied operating conditions (refer to "Operating Data" on page 86 for details). Any other
type of application, without the express written consent of Condair, is considered to be NOT conforming
to its intended purpose, and may lead to dangerous operation and will void the warranty.
In order to operate the equipment in the intended manner all information contained in this manual, in
particular the safety instructions, must be observed closely.
Safety Precautions that Must be Observed
DANGER!
Risk of electric shock!
The Nortec GS humidier is mains powered. Live parts may be exposed when the access
panels are removed. Touching live parts may cause severe injury or even death.
Prevention:Before performing any work inside the Nortec GS humidier shut down the humidier
properly and secure it against accidental power-up as described in "Shutting Down" on page 48.

10 For Your Safety 2583701_C_EN_1812_Nortec-GS_OM Nortec GS
DANGER!
Risk of re or explosion!
The Nortec GS is a gas-red humidier. Improper installation, adjustment, alteration, service,
maintenance or use can cause carbon monoxide poisoning, explosion, re or other hazards
that can cause serious injury, death or property damage.
If over-heating occurs or if the gas fails to shut o󰀨: Shut o󰀨 the gas supply at the manual gas
shuto󰀨 valve before shutting o󰀨 the electrical power supply.
DO NOT use this appliance if any part has been under water. Call a qualied service techni-
cian immediately to inspect and replace any part of the control system or gas control that has been
under water.
Any work on the gas system must only be performed by a qualied installer, service agency or
your local gas supplier. Use only factory-authorized and listed kits or accessories when installing or
modifying this appliance.
DO NOT store or use gasoline or other ammable vapors and liquids in the vicinity of the humidier
or any other appliance.
What to do if You Smell Gas:
DO NOT try to light any appliance.
DO NOT touch any electrical switch.
DO NOT use any phone in the building.
Leave the building immediately.
Call your gas supplier immediately from a location far away from the building with the gas leak.
Follow the gas supplier's instructions.
If you cannot reach your gas supplier, call the re department.
WARNING!
Risk of severe burns from contact with hot steam vapors!
The Nortec GS humidier produces hot steam vapors for humidication. Bare skin in contact with
hot steam vapors can result in severe burns.
Prevention: Never perform any work on the steam system (including the steam lines, steam dis-
tributors, etc.) while the humidier is operating. Shut down the Nortec GS steam humidier, as
described in "Shutting Down" on page 48 before xing any leaks in the steam system.
WARNING!
Risk of severe burns from contact with hot surfaces!
The water tank, steam line and exhaust system in the Nortec GS humidier get very hot during
operation. Bare skin in contact with hot surfaces can result in severe burns.
Prevention: Shut down the Nortec GS steam humidier as described in "Shutting Down" on page 48
and wait for the components to cool down before working on the steam system.
WARNING!
Risk of severe burns from contact with hot surfaces, steam or hot water!
The tank may contain steam or hot water at up to 212 °F (100 °C). Contact with the hot
surfaces, steam vapors or hot water can result in severe burns.
Prevention:Never open the tank until it has been fully drained, and the unit has cooled down
to a safe temperature. Never use the manual drain valve until the unit has cooled down. Use
the manual drain valve to verify that the tank is empty before removing the tank cover. Drain the
tank as described in "Manually Initiate Tank Draining" on page 47.