Carel humiSonic User manual

High Efficiency Solutions
User manual
Ultrasound humidifier

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“Ultrasound humidifier for fan coils”+0300056EN - rel. 1.5 - 24.06.2015
WARNINGS
CAREL humidifiers are advanced products, whose operation is specified in the
technical documentation supplied with the product or can be downloaded,
even prior to purchase, from the website www.carel.com. Each CAREL product,
in relation to its advanced level of technology, requires setup/configuration/
programming/commissioning to be able to operate in the best possible way
for the specific application. The failure to complete such operations, which
are required/indicated in the user manual, may cause the final product to
malfunction; CAREL accepts no liability in such cases.
The customer (manufacturer, developer or installer of the final equipment)
accepts all liability and risk relating to the configuration of the product in
order to reach the expected results in relation to the specific final installation
and/or equipment. CAREL may, based on specific agreements, act as a
consultant for the installation/commissioning/use of the unit, however in no
case does it accept liability for the correct operation of the humidifier and the
final installation if the warnings or suggestions provided in this manual or in
other product technical documents are not heeded. In addition to observing
the above warnings and suggestions, the following warnings must be heeded
for the correct use of the product:
• DANGER OF ELECTRIC SHOCK
The humidifier contains live electrical components. Disconnect the
mains power supply before accessing inside parts or during maintenance
and installation.
• DANGER OF WATER LEAKS
The humidifier automatically and constantly fills/drains certain quantities
of water. Malfunctions in the connections or in the humidifier may cause
leaks.
Important
Important:
• Environmental and power supply conditions must conform to the values
specified on the product rating labels.
• The product is designed exclusively to humidify rooms directly.
• Only qualified personnel who are aware of the necessary precautions and
able to perform the required operations correctly may install, operate or
carry out technical service on the product.
• Only water with the characteristics indicated in this manual must be used
for water vapour production.
• All operations on the product must be carried out according to the
instructions provided in this manual and on the labels applied to the
product. Any uses or modifications that are not authorised by the
manufacturer are considered improper. CAREL declines all liability for any
such unauthorised use.
• Do not attempt to open the humidifier in ways other than those specified
in the manual.
• Observe the standards in force in the place where the humidifier is installed.
• Keep the humidifier out of the reach of children and animals.
• Do not install and use the product near objects that may be damaged
when in contact with water (or condensate). CAREL declines all liability for
direct or indirect damage following water leaks from the humidifier.
• Do not use corrosive chemicals, solvents or aggressive detergents to clean
the inside and outside parts of the humidifier, unless specifically indicated
in the user manual.
• Do not drop, hit or shake the humidifier, as the inside parts and the linings
may be irreparably damaged.
CAREL adopts a policy of continual development. Consequently, CAREL
reserves the right to make changes and improvements to any product
described in this document without prior warning.The technical specifications
shown in the manual may be changed without prior warning.
The liability of CAREL in relation to its products is specified in the CAREL general
contract conditions, available on the website www.carel.com and/or by
specific agreements with customers; specifically, to the extent where allowed
by applicable legislation, in no case will CAREL, its employees or subsidiaries
be liable for any lost earnings or sales, losses of data and information, costs of
replacement goods or services, damage to things or people, downtime or any
direct, indirect, incidental, actual, punitive, exemplary, special or consequential
damage of any kind whatsoever, whether contractual, extra-contractual or
due to negligence, or any other liabilities deriving from the installation, use or
impossibility to use the product, even if CAREL or its subsidiaries are warned
of the possibility of such damage.
DISPOSAL
The humidifier is made up of metal parts and plastic parts. In reference to
European Union directive 2002/96/EC issued on 27 January 2003 and the
related national legislation, please note that:
1. WEEE cannot be disposed of as municipal waste and such waste must be
collected and disposed of separately;
2. thepublicorprivatewastecollectionsystemsdefinedbylocallegislationmust
be used. In addition, the equipment can be returned to the distributor at
the end of its working life when buying new equipment;
3. the equipment may contain hazardous substances: the improper use or
incorrect disposal of such may have negative effects on human health
and on the environment;
4. the symbol (crossed-out wheeled bin) shown on the product or on the
packaging and on the instruction sheet indicates that the equipment has
been introduced onto the market after 13 August 2005 and that it must
be disposed of separately;
5. intheeventofillegaldisposal ofelectricalandelectronicwaste,thepenalties
are specified by local waste disposal legislation.
Warranty on materials: 2 years (from the date of production, excluding
consumables).
Approval: the quality and safety of CAREL products are guaranteed by the
ISO 9001 certified design and production system, as well as by the mark.

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Content
1. INTRODUCTION AND ASSEMBLY 7
1.1 Ultrasound humidifier............................................................................................7
1.2 Dimensions and weights......................................................................................7
1.3 Opening the packaging .......................................................................................7
1.4 Positioning ..................................................................................................................7
1.5 Fastening ........................................................................................................................7
1.6 Humidifier assembly................................................................................................8
2. WATER CONNECTIONS 9
2.1 Supply water ................................................................................................................9
2.2 Drain water....................................................................................................................9
3. ATOMISED WATER DISTRIBUTION 10
3.1 Atomised water distributor..............................................................................10
3.2 Fan conveyor.............................................................................................................10
3.3 Elbow connector....................................................................................................10
3.4 Diffuser ........................................................................................................................10
3.5 Filter: 50 micron.......................................................................................................10
3.6 Installation example in fan-coil....................................................................11
3.7 Duct installation example (UU01G)...........................................................11
4. ELECTRICAL CONNECTIONS 12
4.1 Electrical installation.............................................................................................12
4.2 Power cable connection ...................................................................................12
4.3 Main board connections ..................................................................................12
4.4 Auxiliary card connections (optional)........................................................13
5. STARTING, USER INTERFACE AND BASIC
FUNCTIONS 14
5.1 Starting .........................................................................................................................14
5.2 Shutdown/Standby ..............................................................................................14
5.3 Autotest........................................................................................................................14
5.4 LED signals..................................................................................................................14
5.5 Disabling......................................................................................................................14
5.6 Reset tank hour counter ....................................................................................14
5.7 Automatic washing...............................................................................................14
5.8 Washing due to inactivity .................................................................................14
6. LCD TERMINAL OPTIONAL 15
6.1 Remote display terminal (UUKDI00000) ..................................................15
6.2 Meaning of the symbols....................................................................................15
6.3 Keypad ........................................................................................................................15
6.4 Main display...............................................................................................................15
6.5 Display software release.....................................................................................16
6.6 Accessing and setting parameters..............................................................16
6.7 Parameters: Recall default values .................................................................16
6.8 Reset hour counter from display..................................................................16
7. CONFIGURATION PARAMETERS 17
7.1 Basic parameters.....................................................................................................17
7.2 Advanced parameters.........................................................................................17
7.3 Serial connection parameters ........................................................................21
7.4 Read-only parameters.........................................................................................21
8. ALARMS 22
9. MAINTENANCE AND SPARE PARTS 23
9.1 Spare parts..................................................................................................................23
9.2 Tank cleaning and maintenance ..................................................................23
9.3 Cleaning and maintenance of other components...........................23
10. WIRING DIAGRAMS 24
10.1 Diagram .....................................................................................................................24
11.GENERAL FEATURES AND MODELS 25
11.1 Ultrasound humidifier models for fan coils and electrical
specifications ......................................................................................................25
11.2 Technical specifications......................................................................................25
12.HUMIDIFIER CONTROL VIA NETWORK 26
12.1 Supervisor variable list ........................................................................................26
12.2 Production control via network ...................................................................27
12.3 Washing cycle activation via network.......................................................27
13.OPERATING PRINCIPLES 28
13.1 Ultrasound atomisation......................................................................................28
13.2 Control principles...................................................................................................28
13.3 Flow-rate modulation..........................................................................................28
13.4 Series flow-rate modulation (4-transducer ver. only,
dipswitch 8 On).......................................................................................................29
13.5 Automatic insufficient supply water management .........................29
13.6 Automatic control of atomised water production............................29
13.7 Automatic control of leaking drain solenoid valve
and fill solenoid valve flow-rate....................................................................29

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Fig.1 - Packaging
Note: before proceeding with the installation,
remove the tank from the stand, pushing the
fins black as shown.

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“Ultrasound humidifier for fan coils”+0300056EN - rel. 1.5 - 24.06.2015
1. INTRODUCTION AND ASSEMBLY
1.1 Ultrasound humidifier
Ultrasound humidifiers can be used for vast variety of applications, e.g.
data centers, climate rooms, close control units and food preservation, for
the RH% control. The 2-transducer version (UU01F) has been specifically
developed for integration into fan coils. Atomised water production is
0.5 l/h (UU01F) and 1 l/h (UU01G), delivered directly into the air stream.
1.2 Dimensions and weights
2-transducer version
(UU01F)
4-transducer version
(UU01G)
Fig. 1.a
UU01F UU01G
dim. mm (“) A 121 (4,76) 185 (7,28)
B 125 (4,92) 125 (4,92)
C 221 (8,70) 216 (8,50)
weights kg (lb) packaged 3,9 (8,60) 5,5 (12,13)
empty 2,8 (6,17) 4,4 (9,7)
Tab. 1.a
1.3 Opening the packaging
□Make sure the humidifier is intact upon delivery and immediately
notify the transporter, in writing, of any damage that may be due to
careless or improper transport;
□move the humidifier to the site of installation before removing from
the packaging, grasping the neck from underneath;
□open the cardboard box, remove the protective material and remove
the humidifier,
□The following are contained inside the packaging (fig 1):
• A: fastening bracket;
• B: tank;
• C: fill solenoid valve;
• D: drain solenoid valve;
• E: transformer (make sure voltage is correct);
• F: cable kit.
• G: terminal kit.
1.4 Positioning
• The humidifier may only be accessed by specialist personnel;
• make sure the humidifier is level horizontally, observing the minimum
clearance of 20 mm on the sides to leave room for maintenance;
• position the humidifier so as to allow the atomised water to be freely
delivered;
• position the transformer in a place that’s protected against possible
water leaks and in any case not underneath the humidifier.
1.5 Fastening
Fastening instructions:
1. make two holes as shown in Fig. 1.b;
2. fixthefasteningbracketusingtwoM4x12screwssupplied(seeFig.1.c),
using a spirit level to make sure installation is horizontal;
92
3.50
3.50
(110)
>200 mm
Fig. 1.b
Fig. 1.c

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1.6 Humidifier assembly
Connect the valves as shown in Figure 1.d and 1.e
Important:
Important: insert an o-ring before the drain valve
Fig. 1.d
CLICK!!
CLICK!!
Fig. 1.e
Important:
Important: correct wiring of the ultrasound humidifier is the
responsibility of the final appliance manufacturer, as required by IEC EN
60335-1.
• Connect the valve power cable;
• Connect the transformer power cable.
Fig. 1.f
1. Connect the piezoelectric element power cable;
2. grip the tank A with two hands;
3. place the tank vertically on the fastening structure, first aligning the
connector on the tank with the electronic board, and then the fill
and drain hoses with the corresponding valves;
4. apply pressure vertically until the tank is in position, i.e. the tabs are
aligned.
Fig. 1.g
Fig. 1.h
CLICK!!
!
Fig. 1.i
Fill
Drain
A

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2. WATER CONNECTIONS
Important: before proceeding with the water connections,
make sure that the humidifier is not connected to the mains
power supply.
61
90
44,5
G 1/8' F

10
Fig. 2.j
(bottom view)
water drain
water inlet
Fig. 2.k
Water connections (parts not included):
□1. Install a manual shut-off valve upstream of the installation (so as to
shut off the water supply);
□2. use a hose to connect the humidifier to the water supply (the
product is supplied with a slide-on elbow connector);
□3. install a mechanical filter (60 μS) to trap any solid impurities
(connected downstream of the water tap);
□4connect a section of drain hose, minimum inside diameter 6 mm;
□5prepare a funnel to interrupt continuity in the drain line;
□6connect a drain trap to prevent bad odours.
Important
Important: When installation is completed, flush the supply hose
for around 30 minutes by piping water directly into the drain, without
sending it into the humidifier. This will eliminate any scale or processing
residues that may block the fill valve.
2.1 Supply water
The ultrasound humidifier works on demineralised water. Using normal
water will shorten transducer life; specifically, maintenance intervals for
cleaning or replacing transducers depend on to what extent the supply
water mineral content exceeds the values recommended in Table 11.b
(pg.21). In the case of use of mains water, it is possible a reduction in the
production of moisture declared in Table 11.a due to salts and impurities
present.
Operating conditions:
• demineralised water with the characteristics indicated in Table 11.b,
supply water (p. 21);
• pressure between 0.1 and 0.6 MPa (14.5 and 116 PSI), temperature
between 1 and 40 °C (33.8 and 104 °F), G1/8 F connection (see par.
11.2 ‘Technical specifications’);
• no organic compounds.
Important:
Important:
• do not add disinfectants or anticorrosive compounds to the water, as
these are potential irritants;
• the use of well water, industrial water or water from cooling circuits
and, in general, any potentially chemically or bacteriologically
contaminated water is prohibited.
2.2 Drain water
This is not toxic and can be drained into the sewerage system.
(Council Directive 91/271/EEC on Urban Waste Treatmen).
Fill
Drain

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3. ATOMISED WATER DISTRIBUTION
3.1 Atomised water distributor
Important:
Important: the atomised water delivery hose, the distributor, the
fan conveyor, the elbow connection and the diffuser are not supplied with
the humidifier.
Requirements:
• humidifier delivery hose OD 40 mm;
• make sure the atomised water outlet area is 1100 mm2 (e.g. 22 holes
8 mm in diameter);
• the hose running to the distributor should have a minimum upward
gradient of 2° so that any condensate flows back into the humidifier or
a special condensate drain system;
• make sure there are no condensate leaks from the water vapour
distributor;
• position the distributor in such a way that the air is not directed against
nearby objects (minimum distance 10 cm);
• bends or choking of the hose may cause condensate to form and
decrease humidity delivery;
• avoid loads that may cause mechanical stress on the humidifier outlet
connector.
2°
Fig. 3.a
Fig. 3.b
3.2 Fan conveyor
Fig. 3.c
The air flow conveyor can be installed on the top of the fan (removing
the protection grill) so as to take in air from a different place to where
humiSonic is installed.
3.3 Elbow connector
Fig. 3.d
The elbow connector can be installed on the cover and/or the fan conveyor,
so as to reduce the overall height occupied by the product.
3.4 Diffuser
Fig. 3.e
The diffuser can be installed on the cover, so as to deliver atomised water
directly into the room.
3.5 Filter: 50 micron
Fig. 3.f
A filter is available to be installed on the fan, using the conveyor (with or
without the elbow). The filter is delivered disassembled (cap not fixed)
because on one side it is possible to mount it on the conveyor, on the other
side on the elbow (to mount with a slight interference). Once mounted,
insert the cap. It’s necessary to clean the filter (with compressed air or
running water) periodically: frequency depends on the environment in
which the system is installed. Features filter: 50 micron, H = 13 cm, D = 5 cm

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3.6 Installation example in fan-coil
Fan coil installation example
Fig. 3.g
3.7 Duct installation example (UU01G)
Duct installation example.
Fig. 3.h
Connect the humiSonic fan inlet to the duct, in a position between the
main fan and the connection created for delivering atomised water into
the duct.
Carel can supply the fan conveyor (P/N UUKCY00000) to create the
connections between the fan, duct and hose (P/N 1312955AXX). The
hoses should be as short and as straight as possible (max 1.2m each part),
so as to reduce pressure drop.
If using the UUKDP0**00 distribution system in the installation, turn the
hose so that the holes are in the direction of air flow (see the figure)
Fig. 3.i
Important
Important: the connections of the hoses for humiSonic air intake
and atomised water delivery into the duct must be positioned so as to
avoid pressure differences. Excessive unbalances in pressure may cause
the system to malfunction, preventing atomised water production. It is
preferable to install the system (humiSonic + distribution) on the intake,
making sure to leave enough space for absorption. Alternatively, if this is
not possible, suggested installation is near the end of the duct, close to
the outlet grill (away from the fan, so as to avoid too high pressure).
No sifone / No siphon
Fig. 3.j

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4. ELECTRICAL CONNECTIONS
4.1 Electrical installation
Board connections
Fig. 4.a
Key to Fig. 4.a:
Aboard power supply input from transformer (24/36V for 230V transfor-
mer or 24/30V for 115V transformer)
Btransducer power cable;
Cvalve power cables (L drain / R fill)
Dconfiguration dipswitch
ETAM (current transformer) input for measuring current on fan neutral
Ftrimmer connection to adjust set point (optional)
GTH humidity probe connection (IIC digital serial, part no.:
HYHU000000) optional.
M14 remote ON/OFF (M14.1-M14.2)
M11 RS4845 serial (M11)
M15 - N.O. alarm relay (M15.1-M15.2)
- 30 Vdc output (24 Vac rectified , max. 3W) (M15.3-M15.4)
Nauxiliary card connection Tab. 4.b
Dipswitch configuration: configuration must be performed
before fitting the tank.
2364 7
5
18
ON
Fig. 4.b
1. Communication
OFF Serial 485 Carel/Modbus
ON tLAN
2-3 tLAN address (if 1 is ON)
OFF/OFF - -
OFF/ON address 1
ON/OFF address 2
ON/ON address 3
4Serial 485 / tLAN baud rate
OFF 19200
ON 9600
5-6 Humidity Setpoint
OFF/OFF 50 %rH
OFF/ON 30 %rH
ON/OFF 40 %rH
ON/ON 60 %rH
7TAM
OFF disabled
ON enabled
8Production transducer management (only for 4-transducer version)
OFF --> parallel management (modulation of all 4)
ON --> if demand is less than 50%, only one pair of transducers opera-
tes, alternately Tab. 4.c
4.2 Power cable connection
Correct wiring of the ultrasound humidifier is the responsibility of the
final appliance manufacturer, as required by IEC EN 60335-1.
Before performing the electrical connections, make sure that the unit is
disconnected from the mains power supply.
Check that the power supply voltage of the appliance corresponds to
the value indicated on the rating plate affixed to the side of the product.
Connect the transformer output cable to the electronic board (terminal
block A in Fig 4.a). Connect the transformer input cable to the mains.
The humidifier power line must be fitted with a disconnect switch.
Note: avoid unwanted
interference, the power cables
should be kept separate from
the probe signal cables.
Once the electrical and water
connections have been
completed, the humidifier is
ready for operation.
0-G0
G-36/30V
Main Supply
0-G0
G-24V
Fig. 4.c
4.3 Main board connections
Depending on the type of signal used, atomized water production can
be enabled and/or managed in different ways (ON/OFF or modulating).
HUMIDOSTAT OR REMOTE CONTACT (ON/OFF action)
Production is enabled by closing terminal M14.
M14 can be connected to a switch, a humidistat or a controller (voltage-
free contact, max 5 Vdc open, max 7 mA closed).
TH HUMIDITY PROBE (Optional)
If the TH humidity probe is connected to the G terminal (fig 4.a) atomized
water production starts ifi:
• The terminal M14 is closed;
• The humidity value measured by the probe is below the setpoint
(preset at 50%rH and modified via dipswitches 5-6, see Tab.4.a)
The setpoint can be changed by connecting the trimmer (optional) to
F terminal (fig 4.a)
Remote
ON/OFF
M 14
+ GND
Fig. 4.d
485 SERIAL CONNECTION
Carel/Modbus protocol
RS 485
TX
RX
GND
M 11
Fig. 4.e

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Important: for RS485 connections in household (IEC EN 55014-1)
and residential (IEC EN 61000-6-3) environments, use shielded
cable (with shield connected to PE both on the terminal and controller
ends), maximum length specified by the EIA RS485 protocol, equivalent
to European standard CCITT V11, using AWG26 twisted pair cable;
the input impedance of the 485 stage is 1/8 unit-load (96 kOhm). This
configuration allows a maximum of 256 devices to be connected, with
cables in separate conduits from the power cable.
ALARM RELAY
This is used to signal one or more alarms via a remote connection.
Alarm relay
NO COMMON
M 15
Fig. 4.f
ALARM RELAY POWER SUPPLY
The connections shown in Fig.4.g can be used to directly control a light
or an auxiliary relay coil
30 Vdc (24 Vac rectified), 3 W max.
+24 V
GND
Alarm signal
(max 3W)
M 15
Fig. 4.g
Note: in industrial environments (IEC EN61000-6-2) the signal cables
leaving the unit must not exceed 10 m (33 ft)(1) in length: remote
on/off digital input (terminals M14.1...M14.2) and shielded cable for
RS485 communication.
4.4 Auxiliary card connections (optional)
J17
J8
1 21 234 5
M9
M10
+ GND 21Vdc
Fig. 4.h
J8 tLAN terminal connection (optional) with 30 Vdc power supply
(24 Vac rectified)
M9 tLAN AUX serial connector
M10 M10.1 - + Analogue proportional controller/probe/humid.
M10.2 - + GND signal reference
M10.3 - +21Vdc for active probe supply
M10.4 - N.U.
M10.5 - N.U.
J17 AUX input
The auxiliary card features the following connections
ON/OFF CONTROLLER (humidostat or remote switch)
• jumper inputs M14.1 and M14.2 (enable) on the main board;
• connect terminals M10.1 and M10.2 to a humidostat or a remote
switch (voltage-free contact)
• set parameter A0=0 to enable On/Off operation (see Chap. 7)
EXTERNAL PROPORTIONAL CONTROLLER (modulating)
• jumper inputs M14.1 and M14.2 (enable) on the main board;
• connect terminals M10.1 and M10.2 (production request) to an
external controller;
• set parameter A0=1 to enable modulating control (see Chap. 7) and
parameter A2 depending on the chosen signal (0 to 10 V, 2 to 10V, 0 to
20, 4 to 20 mA) (see Chap. 7).
CONTROL WITH CAREL HUMIDITY PROBE
• jumper inputs M14.1 and M14.2 (enable) on the main board;
• connect the probe to terminals M10.1, M10.2. The power line M10.3
can be connected with cable of maximum lenght of 2 m (6,6 ft); for
greater lenghts use an external power supply with the signal earth
electrically connected to the signal earth of the controller.
• set parameter A0=2 to enable probe control (see Chap. 7) and
parameter A2 depending on the chosen signal (0 to 10 V, 2 to 10V, 0 to
20, 4 to 20 mA) (see Chap. 7).
If non-CAREL probes are used, check:
• voltage signal: 0 to 10 Vdc, 2 to 10 Vdc, terminal M10.1 (GND: M10.2);
• current signal: 4 to 20, 0 to 20 mA, terminal M10.1 (GND: M10.2).
Final checks
The following conditions represent correct electrical connection:
□mains power to the humidifier corresponds to the voltage shown on
the rating plate;
□a mains disconnect switch has been installed so as to be able to
disconnect power to the humidifier;
□terminals M14.1, M14.2 are jumpered or connected to a contact to
enable operation;
□if the humidifier is controlled by an external controller (with auxiliary
card), the signal earth is electrically connected to the controller earth.

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5. STARTING, USER INTERFACE AND BASIC FUNCTIONS
Before starting the humidifier, check:
□water connections: chap. 2, in the event of water leaks, do not start
the humidifier before having restored the connections;
□water vapour distribution: chap. 3 and electrical connections chap. 4.
5.1 Starting
1The humidifier, once powered and enabled for production (remote
on-off/humidistat, terminal M14, Fig 4.e), is ready for operation.
2If there are no other external connections, the humidifier will start, and
operation will only stop if the enabling signal (M14) is no longer present.
3 If TH humidity probe (optional) is connected to terminal G (Fig. 4.a),
the humidifier will operate until reaching the humidity set point
(default 50%rH). See chap. 12.9.
4 If terminal E (Fig. 4.a) is connected to the current transformer (TAM,
optional) and is enabled (dipswitch 7, Fig. 4.c) the humidifier will
only start if current is measured on the fan neutral wire on the prin-
cipal system. This wire must run inside the TAM.In this way, atomised
water will only be produced when the fan is on.
5.2 Shutdown/Standby
1To switch the humidifier off, disconnect power
2The humidifier goes into standby when:
- the remote on/off contact is open
- TH probe is fitted and the humidity set point has been reached
- no current is measured by the TAM (if fitted and enabled)
- the on/off contact is open and serial enabling is set to 0 (see
Chap 12.2)
- a modulating signal is used (optional card) and there is no
request
When the humidifier is in standby, the unit is emptied
automatically. When in standby the fan stays on for 5 min.
5.3 Autotest
Whenever the humidifier is first started (from off ), if enabled and
humidity production is required, a test cycle is run. A complete fill and
drain cycle is performed, during which the level sensor is monitored; if
the test is successful, regular water vapour production will start. If the test
fails, production is disabled (see the alarm table).
5.4 LED signals
A light is fitted on the top of the humidifier to indicate operating status:
GREEN LED ORANGE LED
Steady Humidity production Retry procedure**
Flashing slowly* Set point reached Standby
Flashing quickly* Fill or Autotest Washing
*Flashing slowly: 1s ON and 1s OFF
Flashing quickly: 0.2s ON and 0.2s OFF
**See paragraphs 13.5 and 13.6.
The red LED means an alarm is active. See chapter 8 for information on
alarms.
5.5 Disabling
The humidifier can be disabled in three different ways:
• Opening contact M14.1 and M14.2 (enabling signal)
• If the current transformer (TAM) is fitted and enabled (dipswitch 7 ON)
and no current is measured
• There are active alarms (see Chap. 8)
5.6 Reset tank hour counter
The humidifier is fitted with an hour counter that records operation.
After a set number of hours (1500), a signal is activated to indicate
maintenance should be performed on the tank and operation of the
piezoelectric elements checked (see Chap.9 “Maintenance and spare
parts” on p. 19 and chap. 8“Alarm table”on p. 18)
To reset the hour counter at any time, proceed as follows:
• Switch the humidifier off
• Wait for the tank to empty completely
• Close the water supply tap
• Remove the tank, making sure to disconnect the piezoelectric element
power supply
• Open the On/Off contact
• Switch the humidifier on WITHOUT THE TANK. The yellow LED will flash
• Close the On/Off contact, the yellow LED will remain on steady
• Switch the humidifier off
• Reposition the piezoelectric element connector, replace the tank and
open the water supply tap
• Switch the humidifier on
5.7 Automatic washing
The humidifier automatically runs a washing cycle at intervals in
operating time set by parameter b8 (default 60 minutes, parameter b0
can be used to convert this value into hours, see Table 7.c).
The washing cycle involves a complete drain cycle, a phase in which
fill and drain are activated together (default 1 minute, parameter b3) to
flush out any residues in the tank, a complete fill cycle and finally another
complete drain cycle.
During this operation, water vapour production is stopped.
5.8 Washing due to inactivity
If the humidifier remains inactive (on but in standby) for an extended
period (parameter b2, default 24 hours) a washing cycle is performed, as
described in the previous paragraph. This cleans the tank of any residues
(e.g. dust) that may have accumulated during the period of inactivity.
Parameter b0 can be used to set the time when this washing cycle is
performed. By default, the washing cycle is run after 24 hours (continuous)
of no operation, i.e. the humidifier is in standby. This is because the
humidifier is normally connected to a reverse osmosis system, which
needs to operate frequently in order to avoid malfunctions. B0 (see Table
7.c, reverse osmosis) can be set so that the washing cycle is performed
when first restarting after a period of continuous inactivity set by b2.

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6. LCD TERMINAL OPTIONAL
6.1 Remote display terminal (UUKDI00000)
The LCD terminal is an option and can only be used if the auxiliary card
is fitted, this too an option.
esc
Fig. 6.a
The terminal displays humidifier status and can be used to customise
operation by setting the parameters.
CONNECTION:
esc
Fig 6.b
Key:
16-wire telephone cable P/N S90CONN000 or equivalent, maximum
length 2 m (6,6 ft)(1);
2remote display terminal.
3optional card
(1) For lengths exceeding 2 m (6,6 ft), use shielded cable with the shield
connected to the PE both at the terminal and controller end.
6.2 Meaning of the symbols
Power supply (Green LED)
Humidifier operating (yellow LED)
Steady: humidity production not yet at the set point
Flashing: humidity production at the set point
Alarm (red LED)
On activation of an alarm: LED flashing and buzzer active
When an alarm is active, pressing ESC mutes the buzzer and
the LED comes on steady, pressing ESC again resets the alarms
(see Chap. 8)
Time in seconds
Hour counter
Humidity production as a percentage of rated capacity
Parameter setup
Maintenance request (active alarm)
On steady: humidifier fan operating.
Flashing: fan on during deactivation phase
3 digits, after 999 the display shows to indicated the 1000s (the
three digits are displayed with a dot at the top between the first
and second digit).
Humidity production in progress
Tank filling
Water in the tank
Water draining from the tank
Tab. 6.a
6.3 Keypad
button function
return to the previous display
UP from the main screen: display the humidification values, see
the following paragraph
from the list of parameters: scroll the parameters and set the
values
DOWN from the main screen: display the humidification values
from the list of parameters: scroll the parameters and set the
values
ENTER
(PRG)
for 2 seconds: access the list of parameters
inside the list of parameters: select and confirm (like “Enter”
on a computer keyboard)
Tab. 6.b
6.4 Main display
The humidifier display normally shows control signal status.
For ON/OFF or proportional input signal (A0=0, A0=1, A0=3 and Th
probe disconnected):
• display input signal;
• tank hour counter (h).
• maximum water vapour production control (parameter P0) (*);
• control hysteresis (parameter P1) (*);
For humidity probe input signal (A0=2, A0=3 and Th probe connected):
• display humidity probe reading;
• display temperature (Th only)
• tank hour counter (h).
• maximum water vapour production control (parameter P0) (*);
• control hysteresis (parameter P1)(*)
• Humidity Setpoint (parameter St)(*)
To return to the main display press ESC.
Parameter C0 (see Chap. 7) can be used to change the value shown on
the main display (default: display input signal).
If the humidifier is disabled (contact ON-OFF open, see Fig. 4.d), the
display shows “--”alternatively to the main screen (LED signal: Standby).
If the display shows “---”, it means a communication error between
display and humidifier: control connection cable. If the problem persists,
call for service.
(*) To modify the parameter displayed press:
• ENTER (display: );
• UP or DOWN to set the value
• ENTER to confirm the new value.
Press ESC to return to the main screen. The parameters can also be
accessed from the list of parameters (see Chap. 7).

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6.5 Display software release
1) on power-up the display shows“rel. x.y” (e.g. rel. 1.2);
2) during operation;
a) on the display: from the main screen press ESC and UP together,
the following are shown in sequence: humidifier size, supply, number
of phases and software release;
b) via network on integer variable 81. Format“## = #.#”
(e.g. 12 = release 1.2)”
6.6 Accessing and setting parameters
The configuration parameters can be used to set and control humidifier
functions and status.
From the main screen press:
• ENTER for 2 seconds,
• enter the password 77 using UP or DOWN,
• ENTER to confirm and access the list of parameters,
• UP or DOWN to scroll the list,
• ENTER to select a parameter (display: ‘set’),
• UP to modify (increase) the value of the parameter. To scroll faster
press DOWN together,
• DOWN to modify (decrease) the value of the parameter. To scroll faster
press UP together,
• ENTER to save the new value and return to the list of parameters, or
ESC to return to the list without saving the value,
Press ESC to return to the main screen.
6.7 Parameters: Recall default values
The default values of the parameters can be recalled at any time from
the main screen.
From the main screen press:
• ENTER for 2 seconds,
• enter the password 50 using UP or DOWN and press ENTER,
• The message dEF flashes: to recall the default values press ENTER, or
ESC to exit.
If no button is pressed for 30 seconds, the display returns to the main
screen without recalling the default values.
6.8 Reset hour counter from display
• Access parameter‘d3’ (see Chap. 7)
• press UP and DOWN for 5 seconds
When reset is complete,‘res’is shown on the display.

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7. CONFIGURATION PARAMETERS
To access and set the following parameters, see chapters 6 and 12.
7.1 Basic parameters
Parameter UOM range def note
A0 Operating mode
0 = On/Off mode from auxiliary card probe input
1 = Proportional mode from auxiliary probe input
2 = Humidity probe mode from auxiliary card probe input
3 = Auto mode: if fitted, humidity probe TH reading is used, otherwise On/Off mode from contact on
main board. Parameter A2 is not used
- 0-3 3
A1 Unit of measure 0 = Celsius ; 1= Fahrenheit - 0-1 0
A2 Type of external sensor (optional card) (0 = On/Off ; 1 = 0-10V; 2 = 2-10V; 3 = 0-20 mA; 4 = 4-20 mA) - 0-4 1
P0 Maximum production(1) % 10-100 100 only if terminal
connected, otherwise
values set by dipswitch
P1 Humidity control hysteresis %rH 2-20 2
St Humidity set point(1) %rH 20-80 50 only if terminal
connected, otherwise
values set by dipswitch
C0 Default display (Terminal) - 0-5 0
Tab. 7.a
7.2 Advanced parameters
Parameter UOM range def note
A3 Probe minimum RH% 0-100 0
A4 Probe maximum RH% 0-100 100
A5 Probe offset RH% 99-100 0
A6 Fan off delay time min 0-240 5
A7 Fan speed % 40-100 100
A8 Maximum evaporation time for reduced production alarm min 0-200 30
A9 Minimum evaporation time for reduced production alarm min 0-200 1
AA Retry waiting time min 1...60 10
Ab Percentage of A8 at which to run the level test % 50...90 70
b0 Operating options (see Tab. 7.c) - 0...63 7
b1 Time between two washing cycles min 0-120 60
b2 Inactivity time for washing h 0-255 24
b3 Washing time (fill + drain) min 0-10 1
b4 Start delay time s 0-240 10
b5 Operating hours for CL alarm h 0-3000(*) 1500
b6 Time to display new CL alarm after reset from keypad (without resetting hour counter) m 0-240 60
b7 Transducer modulating control period s 0-10 2
b8 Probe disconnected delay s 0-200 10
b9 TAM reading delay s 0-60 2
bA Maximum fill time min 0-30 15
bb Water refill time in production s 0-120 10
bC Maximum drain time s 0-240 60
bd Drain opening time to completely empty tank s 0-240 30
bE Delay time after measuring low level for refilling s 0-240 20
P1 Humidity control hysteresis %rH 2-20 2
P2 Low humidity alarm threshold %rH 0-100 20
P3 High humidity alarm threshold %rH 0-100 80
Tab. 7.b
(1) To change the value from the terminal it is necessary set all related dipswitch to Off. To again use the value given by the dipswitch it is necessary set one of the
dipswitch to On and power off. At the next reboot the control will use again the values set by the dipswitch.

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Parameter b0
b0 Unit of measure
of par. b1
M = minutes
H = hours
Periodical washing
EC = at the end of the
production cycle
IN = during the production
cycle
Drain SV in
standby
Alarm relay
AL= active alarms
SP= set point reached
Alarm relay logic
NO= norm. open
NC= norm. closed
Reverse osmosis
Off= wash due to inactivity
at next start
On= wash due to inactivity
when disabled
Wash due
to
inactivity
Auto-
test
0 M IN Open AL NO Off Off Off
1 M IN Open AL NO Off Off On
2 M IN Open AL NO Off On Off
3 M IN Open AL NO Off On On
4 M IN Open AL NO On Off Off
5 M IN Open AL NO On Off On
6 M IN Open AL NO On On Off
7 M IN Open AL NO On On On
8 M IN Open AL NC Off Off Off
9 M IN Open AL NC Off Off On
10 M IN Open AL NC Off On Off
11 M IN Open AL NC Off On On
12 M IN Open AL NC On Off Off
13 M IN Open AL NC On Off On
14 M IN Open AL NC On On Off
15 M IN Open AL NC On On On
16 M IN Open SP NO Off Off Off
17 M IN Open SP NO Off Off On
18 M IN Open SP NO Off On Off
19 M IN Open SP NO Off On On
20 M IN Open SP NO On Off Off
21 M IN Open SP NO On Off On
22 M IN Open SP NO On On Off
23 M IN Open SP NO On On On
24 M IN Open SP NC Off Off Off
25 M IN Open SP NC Off Off On
26 M IN Open SP NC Off On Off
27 M IN Open SP NC Off On On
28 M IN Open SP NC On Off Off
29 M IN Open SP NC On Off On
30 M IN Open SP NC On On Off
31 M IN Open SP NC On On On
32 M IN Closed AL NO Off Off Off
33 M IN Closed AL NO Off Off On
34 M IN Closed AL NO Off On Off
35 M IN Closed AL NO Off On On
36 M IN Closed AL NO On Off Off
37 M IN Closed AL NO On Off On
38 M IN Closed AL NO On On Off
39 M IN Closed AL NO On On On
40 M IN Closed AL NC Off Off Off
41 M IN Closed AL NC Off Off On
42 M IN Closed AL NC Off On Off
43 M IN Closed AL NC Off On On
44 M IN Closed AL NC On Off Off
45 M IN Closed AL NC On Off On
46 M IN Closed AL NC On On Off
47 M IN Closed AL NC On On On
48 M IN Closed SP NO Off Off Off
49 M IN Closed SP NO Off Off On
50 M IN Closed SP NO Off On Off
51 M IN Closed SP NO Off On On
52 M IN Closed SP NO On Off Off
53 M IN Closed SP NO On Off On
54 M IN Closed SP NO On On Off
55 M IN Closed SP NO On On On
56 M IN Closed SP NC Off Off Off
57 M IN Closed SP NC Off Off On
58 M IN Closed SP NC Off On Off
59 M IN Closed SP NC Off On On
60 M IN Closed SP NC On Off Off
61 M IN Closed SP NC On Off On
62 M IN Closed SP NC On On Off
63 M IN Closed SP NC On On On
64 M EC Open AL NO Off Off Off
65 M EC Open AL NO Off Off On
66 M EC Open AL NO Off On Off
67 M EC Open AL NO Off On On
68 M EC Open AL NO On Off Off
69 M EC Open AL NO On Off On
70 M EC Open AL NO On On Off
71 M EC Open AL NO On On On
72 M EC Open AL NC Off Off Off
73 M EC Open AL NC Off Off On
74 M EC Open AL NC Off On Off
75 M EC Open AL NC Off On On
76 M EC Open AL NC On Off Off
77 M EC Open AL NC On Off On

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b0 Unit of measure
of par. b1
M = minutes
H = hours
Periodical washing
EC = at the end of the
production cycle
IN = during the production
cycle
Drain SV in
standby
Alarm relay
AL= active alarms
SP= set point reached
Alarm relay logic
NO= norm. open
NC= norm. closed
Reverse osmosis
Off= wash due to inactivity
at next start
On= wash due to inactivity
when disabled
Wash due
to
inactivity
Auto-
test
78 M EC Open AL NC On On Off
79 M EC Open AL NC On On On
80 M EC Open SP NO Off Off Off
81 M EC Open SP NO Off Off On
82 M EC Open SP NO Off On Off
83 M EC Open SP NO Off On On
84 M EC Open SP NO On Off Off
85 M EC Open SP NO On Off On
86 M EC Open SP NO On On Off
87 M EC Open SP NO On On On
88 M EC Open SP NC Off Off Off
89 M EC Open SP NC Off Off On
90 M EC Open SP NC Off On Off
91 M EC Open SP NC Off On On
92 M EC Open SP NC On Off Off
93 M EC Open SP NC On Off On
94 M EC Open SP NC On On Off
95 M EC Open SP NC On On On
96 M EC Closed AL NO Off Off Off
97 M EC Closed AL NO Off Off On
98 M EC Closed AL NO Off On Off
99 M EC Closed AL NO Off On On
100 M EC Closed AL NO On Off Off
101 M EC Closed AL NO On Off On
102 M EC Closed AL NO On On Off
103 M EC Closed AL NO On On On
104 M EC Closed AL NC Off Off Off
105 M EC Closed AL NC Off Off On
106 M EC Closed AL NC Off On Off
107 M EC Closed AL NC Off On On
108 M EC Closed AL NC On Off Off
109 M EC Closed AL NC On Off On
110 M EC Closed AL NC On On Off
111 M EC Closed AL NC On On On
112 M EC Closed SP NO Off Off Off
113 M EC Closed SP NO Off Off On
114 M EC Closed SP NO Off On Off
115 M EC Closed SP NO Off On On
116 M EC Closed SP NO On Off Off
117 M EC Closed SP NO On Off On
118 M EC Closed SP NO On On Off
119 M EC Closed SP NO On On On
120 M EC Closed SP NC Off Off Off
121 M EC Closed SP NC Off Off On
122 M EC Closed SP NC Off On Off
123 M EC Closed SP NC Off On On
124 M EC Closed SP NC On Off Off
125 M EC Closed SP NC On Off On
126 M EC Closed SP NC On On Off
127 M EC Closed SP NC On On On
128 H IN Open AL NO Off Off Off
129 H IN Open AL NO Off Off On
130 H IN Open AL NO Off On Off
131 H IN Open AL NO Off On On
132 H IN Open AL NO On Off Off
133 H IN Open AL NO On Off On
134 H IN Open AL NO On On Off
135 H IN Open AL NO On On On
136 H IN Open AL NC Off Off Off
137 H IN Open AL NC Off Off On
138 H IN Open AL NC Off On Off
139 H IN Open AL NC Off On On
140 H IN Open AL NC On Off Off
141 H IN Open AL NC On Off On
142 H IN Open AL NC On On Off
143 H IN Open AL NC On On On
144 H IN Open SP NO Off Off Off
145 H IN Open SP NO Off Off On
146 H IN Open SP NO Off On Off
147 H IN Open SP NO Off On On
148 H IN Open SP NO On Off
Off
149 H IN Open SP NO On Off On
150 H IN Open SP NO On On Off
151 H IN Open SP NO On On On
152 H IN Open SP NC Off Off Off
153 H IN Open SP NC Off Off On
154 H IN Open SP NC Off On Off
155 H IN Open SP NC Off On On
156 H IN Open SP NC On Off Off

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b0 Unit of measure
of par. b1
M = minutes
H = hours
Periodical washing
EC = at the end of the
production cycle
IN = during the production
cycle
Drain SV in
standby
Alarm relay
AL= active alarms
SP= set point reached
Alarm relay logic
NO= norm. open
NC= norm. closed
Reverse osmosis
Off= wash due to inactivity
at next start
On= wash due to inactivity
when disabled
Wash due
to
inactivity
Auto-
test
157 H IN Open SP NC On Off On
158 H IN Open SP NC On On Off
159 H IN Open SP NC On On On
160 H IN Closed AL NO Off Off Off
161 H IN Closed AL NO Off Off On
162 H IN Closed AL NO Off On Off
163 H IN Closed AL NO Off On On
164 H IN Closed AL NO On Off Off
165 H IN Closed AL NO On Off On
166 H IN Closed AL NO On On Off
167 H IN Closed AL NO On On On
168 H IN Closed AL NC Off Off Off
169 H IN Closed AL NC Off Off On
170 H IN Closed AL NC Off On Off
171 H IN Closed AL NC Off On On
172 H IN Closed AL NC On Off Off
173 H IN Closed AL NC On Off On
174 H IN Closed AL NC On On Off
175 H IN Closed AL NC On On On
176 H IN Closed SP NO Off Off Off
177 H IN Closed SP NO Off Off On
178 H IN Closed SP NO Off On Off
179 H IN Closed SP NO Off On On
180 H IN Closed SP NO On Off Off
181 H IN Closed SP NO On Off On
182 H IN Closed SP NO On On Off
183 H IN Closed SP NO On On On
184 H IN Closed SP NC Off Off Off
185 H IN Closed SP NC Off Off On
186 H IN Closed SP NC Off On Off
187 H IN Closed SP NC Off On On
188 H IN Closed SP NC On Off Off
189 H IN Closed SP NC On Off On
190 H IN Closed SP NC On On Off
191 H IN Closed SP NC On On On
192 H EC Open AL NO Off Off Off
193 H EC Open AL NO Off Off On
194 H EC Open AL NO Off On Off
195 H EC Open AL NO Off On On
196 H EC Open AL NO On Off Off
197 H EC Open AL NO On Off On
198 H EC Open AL NO On On Off
199 H EC Open AL NO On On On
200 H EC Open AL NC Off Off Off
201 H EC Open AL NC Off Off On
202 H EC Open AL NC Off On Off
203 H EC Open AL NC Off On On
204 H EC Open AL NC On Off Off
205 H EC Open AL NC On Off On
206 H EC Open AL NC On On Off
207 H EC Open AL NC On On On
208 H EC Open SP NO Off Off Off
209 H EC Open SP NO Off Off On
210 H EC Open SP NO Off On Off
211 H EC Open SP NO Off On On
212 H EC Open SP NO On Off Off
213 H EC Open SP NO On Off On
214 H EC Open SP NO On On Off
215 H EC Open SP NO On On On
216 H EC Open SP NC Off Off Off
217 H EC Open SP NC Off Off On
218 H EC Open SP NC Off On Off
219 H EC Open SP NC Off On On
220 H EC Open SP NC On Off Off
221 H EC Open SP NC On Off On
222 H EC Open SP NC On On Off
223 H EC Open SP NC On On On
224 H EC Closed AL NO Off Off Off
225 H EC Closed AL NO Off Off On
226 H EC Closed AL NO Off On Off
227 H EC Closed AL NO Off On On
228 H EC Closed AL NO On Off
Off
229 H EC Closed AL NO On Off On
230 H EC Closed AL NO On On Off
231 H EC Closed AL NO On On On
232 H EC Closed AL NC Off Off Off
233 H EC Closed AL NC Off Off On
234 H EC Closed AL NC Off On Off
235 H EC Closed AL NC Off On On