HygroMatik DG4 User manual

FlexLine
MANUAL
ÁDG.EN4È
DG.EN
E-8881126
Atomizer Air Humidifiers
Type DG4 / DG8

Page 2
Preliminary Note:
A word about water and atomising systems
All atomising humidifiers operate based on the principle that water in the form of very fine aerosol
droplets may be atomised and subsequently evaporated.
Because tap water contains various components in addition to pure water (H2O), solids remain
behind after evaporation, such as calcium or other minerals. These form a fine dust in the area of
evaporation. The build up of dust can be prevented by using fully demineralised water. Reverse
osmosis systems, for example, are well-suited for this type of water treatment.
When drinking water is used, mineral deposits may form on the water pan and water level area.
These deposits must be removed during regular maintenance. Maintenance work can be redu-
ced by using fully demineralised water.
Consult your HygroMatik specialists. We will answer any questions you may have concerning
water and advise you on the installation and initial operation of your HygroMatik atomising sys-
tem.
Copyright HygroMatik GmbH
DG 02.10.2019
All Rights reserved.
Current version of this manual can be found at: www.hygromatik.co.uk
Information in this manual is subject to change or alteration without prior notice.
Risk of electrical shock!
Hazardous electrical high voltage!
All electrical work to be performed by certified expert staff (electricians or expert personnel with
eqivalent training) only.
:$51,1*


Page 3
1. Introduction ........................................................................................................................ 4
1.1 Directions for Use ............................................................................................................... 5
1.2 Typographic Distinctions .................................................................................................... 5
1.3 Documentation ................................................................................................................... 5
2. Safety Notes ........................................................................................................................ 6
2.1 Overview ............................................................................................................................ 6
2.2 Guidelines for Safe Operation ............................................................................................ 7
2.3 Accident Prevention Regulations ....................................................................................... 7
2.4 Disposal after Dismantling .................................................................................................. 8
3. Transport ............................................................................................................................. 9
3.1 Packing ............................................................................................................................... 10
3.2 Interim Storage ................................................................................................................... 10
3.3 Check for Complete and Correct Delivery of Goods .......................................................... 10
3.4 Carton outer Size and Weight ............................................................................................ 10
3.5 Included in the Delivery ...................................................................................................... 11
4. Operation ............................................................................................................................ 12
4.1 Mode of operation .............................................................................................................. 12
4.2 Water level control .............................................................................................................. 13
4.3 Overflow function:(only DG8) ............................................................................................. 14
5. Start up ................................................................................................................................ 16
6. Installation .......................................................................................................................... 17
6.1 Mechanical installation ....................................................................................................... 17
6.2 Installation of DG ................................................................................................................ 18
7. Water Installation ............................................................................................................... 19
7.1 Safety overflow ................................................................................................................... 20
7.2 Safety overflow (electrical) and water leveladjustments ..................................................... 20
8. Electrical installation ......................................................................................................... 21
8.1 Electrical installation ........................................................................................................... 21
8.2 Hygrostat installation .......................................................................................................... 21
8.3 Control box NR ................................................................................................................... 21
9. Maintenance ........................................................................................................................ 22
10. Faults ................................................................................................................................. 23
10.1 Output fall off .................................................................................................................... 23
10.2 No water in the pan .......................................................................................................... 23
10.3 Water fault (Red lamp on control box NR) ....................................................................... 23
11. EC Declaration of Conformity ......................................................................................... 24
12. Wiring Diagrams ............................................................................................................... 25
13. Spare Parts ....................................................................................................................... 32
14. Technical data .................................................................................................................. 35

Page 4
1. Introduction
Dear Customer,
Thank you for choosing a HygroMatik atomizing air humidifier.
TheHygroMatik atomizing air humidifier represent the latest in
humidification technology.
They will impress you with their safety, ease of use and econom-
ical operation.
In order to operate your HygroMatik atomizing air humidifier
safely, properly and efficiently, please read these operating
instructions.
Employ your HygroMatik atomizing air humidifier only in sound
condition and as directed. Consider potential hazards and safety
issues and follow all the recommendations in these instructions.
Microatomization and fast freshwater exchange ensure optimum
operating properties. Our range of products includes devices
with circulation air blower for fast, uniform moisture distribution
and also still humidification (without circulation blower) for spe-
cial applications.
The control box NR (only for DG8)operates to an extraordinary
high degee of precision and automatic controls 1 to 4 air humidi-
fiers. The integrated auromatic freshwater control ensures that
the residual water in the unit is essentially used up after reaching
the set humidity level and, when restarted, freshwater is imme-
diately fed to the unit and atomized. The unit can be set to a
range of 30-90% relative humidity with the room hygrostat RH1
and the duct humidistat KF 1.
If you have additional questions, please contact us:
Tel.: [phone] / 895-0 (Main Number)
Tel.: [phone] / 895-293 (Technical Support Hotline)
Fax: [phone] / 895-33
e-mail: [email protected]
Internet: www.hygromatik.de
For all technical questions or spare parts orders, please be pre-
pared to provide unit type and serial number (see name plate on
the unit).

Page 5
1.1 Directions for Use
The HygroMatik atomizing air humidifier is intended for air moist-
ening.
Proper usage also entails following HygroMatik's instructions for
installation, dismantling, reassembly, initial operation and opera-
tion and maintenance, as well as disposal procedures.
Only qualified, authorized personnel may operate or service the
unit. Workers who transport or service the unit must have read
and understood the relevant sections of the operating instruc-
tions, especially the section "Safety Notes." In addition, staff
must receive safety training about potential hazards from the
operator. Place a copy of the operating instructions at the loca-
tion where the unit is operated.
1.2 Typographic Distinctions
•preceded by a bullet: general specifications.
» preceded by an arrow: Procedures for servicing or
maintenance which should or must be performed in the
indicated order.
Installationstep which must be checked off.
italics Terms used with graphics or drawings..
1.3 Documentation
Retention
Please retain these operating instructions in a secure, always
accessible location. If the product is resold, turn the documenta-
tion over to the new operator. If the documentation is lost, please
contact HygroMatik.
Versions in Other Languages
These operating instructions are available in several languages.
If interested, please contact HygroMatik or your HygroMatik
dealer.

Page 6
2. Safety Notes
2.1 Overview
These safety notes are required by law. They promote work-
place safety and accident prevention.
Warnings and Safety Symbols
The safety symbols below identify sections containing warnings
about hazards or potential dangers. Please familiarize yourself
with these symbols.
Warning: Failure to observe this warning may result in serious
injury or death and/or damage to the unit.
Danger, Hazardous Voltage: Hazardous electrical current!
Failure to observe this warning may result in injury or even seri-
ous injury or death.
Note: Please find this sticker on a component that is important
to maintain. A detailed maintenance description is in the techni-
cal manual. Reading the according text passages is important
for a proper use of the device.
Reminder: Materials and consumables must be handled and/or
disposed of as required by law.
Note: Appears before explanations or cross-references which
refer to other sections of the operating instructions.

Page 7
2.2 Guidelines for Safe Operation
Overview
Obey all safety notes and warnings present on the unit.
In case of a malfunction, switch off the unit immediately and pre-
vent a restart. Repair malfunctions promptly.
After any repair work, have qualified personnel check the safe
operation of the unit.
Use original spare parts only.
Additional national safety regulations also fully apply to the oper-
ation of this unit.
We recommend the use of an external main circuit breaker.
Please ensure a safe handling of all auxiliary means like lad-
ders, lifting platforms etc. during installation in order to avoid
accidents.
Please do not directly install the unit above machines or wetness
sensitive eqipment.
Ambient air temperature 5°C to 45°C.
2.3 Accident Prevention Regulations
Comply with the accident prevention regulation
Accident Prevention Regulation Electrical Systems and Equip-
ment to prevent injury to yourself and others.
Operation of the Unit
Do not perform any work which compromises the safety of the
unit.
Regularly check that all safety and monitoring devices are func-
tioning normally.
Do not remove or disable safety devices.
Installation, dismantling, maintenance and repair of the unit
Disconnect unit components from power supply prior to mainte-
nance or repair work.
Attaching or installing additional components is permitted only
with the written consent of the manufacturer.
Electrical
Work on the electrical system must be performed by qualified
personnel.
Disconnect unit components from power supply prior to work
In case of a malfunction in the electrical power supply, switch off

Page 8
the unit immediately.
Use only original fuses with the appropriate amperage rating.
Regularly check the unit's electrical equipment. Promptly repair
any damage, such as loose connections or damaged wiring.
After proper electrical installation or repair, test all safety mecha-
nisms (such as grounding resistance).
Protection class:
HygroMatik atomizing air humidifiers are IP24-protected. Make
sure that the unit is protected from drips in its installed location.
Installing a atomizing air humidifier in a room without water dis-
charge requires safety devices to protect against water leak-
ages.
2.4 Disposal after Dismantling
Note: The operator is responsible for the disposal of unit compo-
nents as required by law.

Page 9
3. Transport
Carefully transport, load or unload the atomizer to avoid any
damage.
Pay attention to the pictograms on the carton.
Upon receipt of the unit, make sure that:
• Type and serial number on the type plate correspond with
order and delivery notes.
• That the equipment parts are complete and in perfect con-
dition.
Note: File immediately a written report to your shipping agent in
case of transport damage.

Page 10
3.1 Packing
Note: Notice the symbols affixed to the packing box.
3.2 Interim Storage
Store the unit in a dry place and protect from frost.
3.3 Check for Complete and Correct Delivery of
Goods
Upon receipt of the unit, confirm that:
•the type and serial number on the name plate match
those specified in the order and delivery documents
and
•the equipment is complete and all parts are in perfect
condition
Note: In case of damage during shipment or missing parts,
immediately notify the carrier or supplier in writing.
Time limits for filing freight claims with shipping companies are*:
* Time limits for some services subject to change.
3.4 Carton outer Size and Weight
Shipping Companies After Receipt of Goods
Mail no later than 24 hours
Rail no later than 7 days
Truck and Rail Carriers no later than 4 days
Parcel Service immediately
Type* Height
[cm]
Width
[cm]
Depth
[cm]
DG4 51 51 33
DG8 65 65 34

Page 11
3.5 Included in the Delivery
The delivery includes:
•Selected atomizing air humidifier
•Water installation hose 1,5m, 1/2"
•.4 x 1,50m chains incl. 4 carabiner for mounting chains
(DG4 mit 3 x 1,5 m Chain incl. 3 carabiner)
•Operating Instructions for the atomizing air humidifier

Page 12
4. Operation
4.1 Mode of operation
HygroMatik atomizing air humidifiers work on the centrifugal
principle.
There is a water pan in which a normal operating water level is
maintained. In case of the DG8 the regulating system consists of
a tow-step control switch (5) and a water solenoid valve (6). In
case of the DG4, it is a mechanical float. The water is drawn up
on the outside of the rotating water conveying cone until it
reaches the atomizer disc (2). This causes a film on the down-
side of the disc. This film is forced to the edge of the disc by
petal-forces of the rotating disc, where it leaves the disc with
high forces and hits a baffle grid. (3). This is the point where it
atomizes into fine droplets. They are suspended in the air and
evaporate. The humidity is immediately taken up by the air. For
higher rates of humidification, the evaporative effect is intensi-
fied by the fan and the carrier air flow (11). The carrier air flow is
not blown through - but over - the bonnet of the humidifier, in
order not to suck in the dust from the air of the room. The water-
level in the base pan decreases due to water atomizing and
water is automatically refilled by the regulating system and the
two-step control flow switch (DG8). At DG4 the water level is
controlled by a mechanical float, which opens a valve at
decreasing water level. So water can flow in the basic pan again.
A safety overflow ensures a controlled draining in case of water
overflow. A signal is send to the control box NR (DG8).

Page 13
4.2 Water level control
The waterlevel in the base tube is controlled by the lower flow
switch of the two-step flow switch.

Page 14
4.3 Overflow function:(only DG8)
In case of a defective (permanent open) solenoid valve surplus
water will be drained by the mechanical overflow (pos. 7).
In case of a defective or blocked two-step control switch the unit
automatically switches off the water supply. At the same time a
signal is send to the control box NR (option) and a lamp indi-
cates a fault.
1. Electric motor
2. Atomizer disc
3. Baffle grid
4. Water conveying cone
5. Two-step control flow switch - only DG 8
5a. Mechanical float - only DG 4
6. Water solenoid valve for operating level
7. Mechanical overflow

Page 15
9. Terminal box
10. Fan impeller
11. Carrier air flow
15. Drain connection

Page 16
5. Start up
• Open tab water valve
• Only DG4: check max. water level in the pan. Adjust
water level by moving the red control lever
• Insert main fuses
• Only DG8: switch „On“ the control box NR.
• Adjust the hygrostat to humidity 100%
• Only DG8: check maximum water level
• Check the rotation (arrow). The atomizer air humidi-
fier only works correctly with right rotation. At wrong
rotation you have to change two phases (DG8). At
wrong DG4 rotation you have to check the correct
clamp connection
• Adjust the hygrostat to setpoint 30% - 90% humidity

Page 17
6. Installation
Warning: Installation of this unit needs to be attempted only by
qualified staff. We accept no liability for damage due to faulty
installation.
Obey all safety notes and warnings present on the unit.
During installation the unit must be disconnected from its power
supply.
Attaching or installing additional components is permitted only
with the written consent of the manufacturer, or else the war-
ranty is void.
6.1 Mechanical installation
Install approximately in the centre over a gangway if possible (to
facilitate maintenance). Be aware of a proper fixation of the air
atomizer at the ceiling.
For ceiling heights up to 3.5 m, mount directly under the ceiling;
in case of higher ceilings, suspend such, that the bottom of the
humidifier is approx. 2.5 - 3 m above the floor. Minimum ceiling
and lateral clearances as shown in installation drawing.
When suspension chains are used, it is essential to spread and
fix them at 4 points, otherwise there is a risk of the unit rotating
at start-up with breakage of the water line. The humidifier must
be suspended precisely horinzontally (lenght or shorten the sus-
pension chains).

Page 18
6.2 Installation of DG
a: DG4 min. 0,4 m
DG8 min. 0,8 m
b: DG4 min. 0,4 m
DG8 min. 0,7 m
c: DG4 min. 1,0 m
DG8 min. 2,5 m
d: DG4 min. 1,0 m
DG8 min. 2,5 m

Page 19
7. Water Installation
Warning: When prepare the water installation, note the follow-
ing:
•Have all work performed by an expert
•Disconnect power supply before installation
•Obey local public utility
regulations
•Verify that necessary safety measures have been taken
– in compliance with either German Technical and Sci-
entific Association for gas and water (DVGW) guide-
lines (German Institute for Standardization [DIN] 1988)
or local regulations – to eliminate backflow of polluted
water into drinking water treatment facilities. This can
mean installing a backflow preventer
•The water supply temperature may not
exceed 40° C.
•Water installation pressure DG8 100 - 1000 kPa (1-10
bar) water installation pressure DG4 100- 600 kPa (1-
6bar)
Please only use the water supply hose thats has been delivered
with the unit.
Warning: The water supply hose should not be bent.
The connection on the humidifier to the water feed line is a 1/4“
BSP externally threaded nipple. With water pressure up to 1000
kPa, (DG4 max. 600 kPa) connect directly to the water main;
otherwise use a pressure reducing valve. Min. working press-
sure, 100 kPa.
The water feed line should be brought down from the ceiling
(otherwise condensation around the line might occur).
It is advisable to insert a dirt filter in the common feed line and a
stopping valve for each humidifier.

Page 20
7.1 Safety overflow
Install an overflow line with a continuous downward slope from
the 1/2“ nozzle on the water pan to the drain. Hose and pipe size
should have a minimum diameter of 15mm (depending on the
downward gradient).
7.2 Safety overflow (electrical) and water level-
adjustments
The level in the water pan is controlled by means of a regulating
system consisting of an two-step flow switch and a solenoid
valve, fitted as standard equipment. In addition an overflow con-
trol system may be fitted wich immediately shuts off the water
feed when the max. water level is reached and signals the mal-
function of the primary level control by a red warning light at the
control box NR. The air humidifier continues to operate normally,
but with a higher water level.
• Operation - water filling: DG4 / DG8 approx. 0.5 l
• DG4: max. water supply pressure 600 kPa
• DG8: max. water supply pressure 1000 kPa
• Operation water level marked by chamfer in the pan
factory provided approx. 0.5l
• Adjustable water level by red control lever (DG4)