Rossato Ecodry CN+ User manual
Dehumidifiers for radiant systems
Technical manual
for installation, use and maintenance
Ecodry CN+
Ecodry IN+
!
Following instructions are addressed both to the installer and to the final user who need respectively to install and to use the
product. Failure to observe the indications present in this manual involves the customer in exclusion from warranty.
Following instructions contain essential and important information for a safe and perfect installation and are integral and
essential part of the product. Therefore the entire technical documentation must be always kept close to the product.
All data and instructions contained in the present manual are referred to actual technology level.
Please always consult the instructions contained in the present manual when installing the unit.
The activities described in this manual need specialistic knowledge and professional experience in installation. By consequence
it is necessary that mounting operations described are made only by personnel with indicated technical requirements.
Schemas used are only a rough guide, have no pretentions to be complete and cannot replace the project.
Even if this manual has been realized with maximum care, mistakes and updates are possible; Rossato Group Srl will not be
responsible for inaccuracies ad omissions.
Contents, images, texts and layout of this document are property of Rossato Group srl and any copy - both total or partial - is
forbidden without written authorization.
INDICE
1. Introduction 4
1.1 Responsibility 4
1.2 Explanation of symbols 4
1.3 Service rules 5
1.4 Reference regulations 5
1.5 Reception of the unit 6
1.6 Moving and transporting 6
1.7 Unpacking 6
1.8 Intervention and maintenance 6
1.9 Intended use 7
1.10 Residual risk zones 8
1.11 General safety rules 8
2. Description of the product 8
2.1 Structure 9
2.2 Identifying the unit 9
2.3 Optional accessories 10
3. Refrigerant and hydraulic circuits 14
3.1 Design criteria 15
4. Electrical circuits 16
4.1 Electrical equipments 16
4.2 Electrical diagram 17
5. Technical data 21
5.1 Table of technical data and operating limits 21
5.2 Operation limits 21
5.3 Air flow and pressure 21
5.4 Dimensions 23
6. Installation 27
6.1 Positioning 27
6.2 Ducting 29
6.3 Hydraulic connections 30
6.4 Electrical connection 31
6.5 Commissioning 32
6.6 Finishing 33
7. User terminal 35
7.1 Buttons and display 35
7.2 Parameters 36
7.3 Other functions 36
8. Maintenance and diagnostics 37
8.1 Failures and anomalies 37
8.2 Maintenance table 38
8.3 Routine maintenance 39
8.4 Extraordinary maintenance 40
9. Unit’s disposal 41
9.1 Environmental protection 41
Ecodry IN+ CN+ - Manual of installation, use and maintenance
1. Introduction
This manual indicates the expected use of the unit and provides instructions for transportation,
installation, assembly, adjusting and usage of the unit. It provides information for the
maintenance, ordering of spare parts, presence of residual risks and instructions for staff.
The user manual should be read and used as follows:
each operator and staff involved in the use and maintenance of the unit must carefully
read this manual entirely and follow what is indicated;
the employer has the obligation to ensure that the operator has the required aptitude to
conduct the unit and has carefully read the manual; The employer must also inform the
operator about the risks of accidents and, in particular, about the risks arising from the
noise, on personal protective equipment and safety regulations provided for by law or by
general international standards and the country of destination of the unit;
the manual must always be available to users, directors, operators appointed to the
transport, installation, use, maintenance, repair and final dismantlement;
keep the manual in areas protected from humidity and heat and consider it an integral part
of the unit throughout its duration, giving it to any other user or subsequent owner of the
unit;
make sure that any update received is included in the text.
do not damage, remove, tear or rewrite the manual or parts of it for any reason; in case the
manual is lost or is partially ruined and its content can no longer be read, it is
recommended to request a new manual reporting serial number indicated on the
machine's nameplate to the manufacturer.
The manufacturer reserves the right to modify production and the manual, only being obliged
to update the previous versions in particular cases.
This manual reflects the state-of-the-art at time of marketing the unit and cannot be considered
inadequate if subsequently updated according to new technologies.
1.1 Responsibility
The unit is guaranteed in accordance with contractual conditions agreed between the parties.
The manufacturer considers himself exempt from all responsibilities and obligation and will
invalidate the warranty for any injury to persons or things that may occur due to:
changes made to the unit and its safety devices without prior written permission of the
manufacturer;
attempts to repair carried by one's own initiative or by unauthorized technicians.
non-periodic and constant interventions of maintenance or use of non-original spare parts.
In any case, if the user attributed the accident to a unit's defect, it would be necessary to prove
that the occurred damage was a main and direct consequence of this "defect".
1.2 Explanation of symbols
DANGER:
failure to observe the instructions given in this manual with regard to the operating, use,
maintenance and events in any case outside the normal and correct use of the unit;
Ecodry IN+CN+_20190801 Page di Rossato Group Srl443
Ecodry IN+ CN+ - Manual of installation, use and maintenance
1.3 Service rules
The service standards described in this manual are integral part of the unit's equipment.
These standards are intended for the operator who has been previously and specifically
trained for the conducting of this type of unit and contain all the necessary and essential
information for the safe operating and optimal use of the unit.
Carefully read and follow the following suggestions:
at the time of installation or when interventions on the unit are required, you must observe
the following rules on this manual, follow the directions on-board the unit and apply all
appropriate precautions;
possible accidents to people and things can be avoided following these technical
instructions compiled with reference to the machinery directive 2006/42/EC and
subsequent amendments. In any case, always conform to national safety standards;
do not remove or damage the safeguards, labels and lettering, especially those imposed
by law and, if no longer legible, replace them.
The units were designed and constructed in view of the current state of the art and of the
current technical standards.
The laws, rules, regulations, prescriptions and directives in force for these types of machinery
have been observed.
The materials used and equipment parts as well as production processes, assurance of the
quality and control of the systems meet the highest standards of safety and reliability.
It may be possible to maintain continuous performance and functionality and durability of the
unit by using this equipment for the purposes specified in this user manual, operating them with
due diligence and accurate maintenance and revisions to perfection.
1.4 Reference regulations
By affixing the mark to the unit, the manufacturer declares that the dehumidifiers Ecodry
CN+ 300, Ecodry CN+ 600, Ecodry IN+ 300 and Ecodry IN+ 600 conform to following relevant
safety regulations:
89/391/CEE
DANGER:
This symbol indicates rules to prevent user from accidents.
Failure to observe these instructions can result in serious damage to humans, objetcs, plants or
animals.
CAUTION:
Failure to observe these instructions can result in damages to the unit or the system
NOTE:
This symbol indicates useful information
DANGER:
the first commissioning must be carried out only by qualified and authorized personnel
CAUTION:
All operators must comply with international safety standards and those of the country of
destination of the unit in order to avoid possible accidents.
Ecodry IN+CN+_20190801 Page di Rossato Group Srl543
Ecodry IN+ CN+ - Manual of installation, use and maintenance
89/686/CEE
89/654/CEE
89/655/CEE
86/188/CEE
92/58/CEE
92/57/CEE
Corresponding documentation on conformity are kept by the manufacturer and available
upon request.
1.5 Reception of the unit
When receiving the unit, please check its integrity. Any damage should be immediately
communicated to the produce.
1.6 Moving and transporting
During moving and positioning of the unit it is necessary to take the utmost care to avoid
violent maneuvers. Internal movements should be made carefully and avoiding to lever with
parts of the units.
1.7 Unpacking
Unit’s packaging must be removed carefully avoiding to cause any damage to the unit. Please
ensure that packaging is disposed correctly according to local laws.
1.8 Intervention and maintenance
It is worth mentioning that the user manual can never replace the user's adequate experience;
for some particularly difficult maintenance operations, this manual constitutes a reminder of the
main operations to be undertaken by operators with specific preparation acquired, for example,
attending training courses by the manufacturer.
Read carefully following recommendations:
a constant and accurate preventive maintenance always assures high safety in the unit's
operation. Never postpone necessary repairs and have them performed exclusively by
qualified personnel, using only original spare parts;
schedule any work with care;
the workplace of the operators must be kept clean, tidy and free from objects that may limit
movements;
operators must avoid clumsy operations or in awkward positions that may impair their
balance;
operators must be careful of the risk of getting clothing and/or hair caught or entangled in
moving parts; the use of a hair cap is recommended to contain long hair;
the use of necklaces, bracelets and rings can represent be dangerous;
DANGER:
In all raising operations make sure that the unit is fixed to avoid that it overturns or falls down
accidentally. Do not move or raise the unit making pression on removable panels.
NOTE:
Disposal of packaging is care of receiver who will make it in conformity with local laws of the
country where the heat pump is installed.
Ecodry IN+CN+_20190801 Page di Rossato Group Srl643
Ecodry IN+ CN+ - Manual of installation, use and maintenance
the workplace must be suitably lit for the operations to carry out. Insufficient or excessive
lighting can entail risks;
wait about 10 minutes from the unit's switch off before performing maintenance in order to
avoid burns;
minimize the time of opening of the refrigerant circuit. Even reduced oil exposure to air
causes the absorption of large amounts of moisture from the same oil resulting in
formation of weak acids;
any work on the unit must be performed by qualified personnel;
before making any intervention or maintenance on the unit, make sure you have removed
the power supply;
check that the safety devices are working properly and do not have doubts about their
functioning; otherwise, do not start the unit under any circumstances;
only use equipment recommended by the manufacturer of the unit. To avoid personal
injury, do not use worn, damaged, poor quality or improvised equipment;
always keep the area where the unit is located clean and tidy. The smearing of oil and
grease and faulty equipment or parts is harmful to people because they can cause slips or
falls;
It is forbidden to use flammable fluids in cleanup operations.
To clean the unit, do not use gasoline, petroleum or solvents as the first leave an oily patina
that makes the depositing of dust easier, while the solvents (even weak) damage the paint and
then accelerate rusting. If a water jet penetrates into electrical equipment, apart from inducing
oxidation of the contacts, can also cause a malfunction of the unit. For this reason, do not use
jets of water or steam on sensors, connectors or any electrical part.
Particular attention must be paid to the state of integrity of pressurized tubes or other parts
subject to wear. You must also check that there is no leakage of fluids or other hazardous
substances.
If such situations occur, the operator is prohibited to restart the unit until the fault has been
repaired.
1.9 Intended use
The units Ecodry CN+ e IN+ units are dehumidifiers to be installed in combination with radiant
systems for air dehumidification, or cooling and dehumidification.
Their use is recommended within the operating limits listed in this manual.
DANGER:
do not repair high-pressure tubes with seals;
pressurised fluids in the refrigeration circuit and the presence of electrical components can cause
risky situations during installation and maintenance operations.
CAUTION:
once the cleaning of the unit has been carried out, the operator must verify that there are no
damaged or worn parts or not solidly fixed, otherwise request the intervention of a technician for
maintenance;
DANGER:
Place the unit in an environment where there is no danger of explosions, corrosion (near the sea)
or fires and where vibrations and electromagnetic fields are present. It is also forbidden to operate
differently than as recommended or neglecting safety procedures.
Ecodry IN+CN+_20190801 Page di Rossato Group Srl743
Ecodry IN+ CN+ - Manual of installation, use and maintenance
1.10 Residual risk zones
Residual risk zones:
danger of short-circuit and fire caused by short-circuit;
danger of explosions due to the presence of pressurized circuits and of pollution due to the
presence of refrigerant in the circuit;
danger of burns due to the presence of high temperature piping;
danger of injuries from cuts.
1.11 General safety rules
Wear protective clothing
Each operator must use personal protection equipment such as gloves, protective helmet,
safety glasses, safety shoes, headphones for protection against noise.
Fire extinguisher and first aid
Place a first-aid kit and a fire extinguisher nearby.
Periodically ensure that extinguishers are loaded and make how to use
clear.
In case of fire, use it according to the current regulations and call the fire brigade.
Periodically check that the first aid box is complete.
Make sure emergency telephone numbers for first aid are available nearby.
Warnings for checks and maintenance
Apply a sign that indicates: "UNDER MAINTENANCE" on all sides of the unit.
Carefully check the unit following the list of operations given in this manual.
Safety plates
2. Description of the product
CAUTION:
There are residual risks in some areas of the unit that could not be removed when the unit was
being designed, or delimited with safeguards due to the particular features of the unit. Each
operator must know the risks present in this unit in order to prevent any accidents.
NOTE:
The fire extinguisher and first aid is the responsibility of the owner of the property where the unit is
installed.
Ecodry IN+CN+_20190801 Page di Rossato Group Srl843
generic
alarm
presence of
hazardous
voltage
Burn
hazard
Hazardous
moving
parts
Danger of
cuts
Ecodry IN+ CN+ - Manual of installation, use and maintenance
The built-in vertical Ecodry IN+ and drop ceiling ductable horizontal Ecodry CN+ dehumidifiers
are designed for civil, residential and small dimension commercial use, with high latent load that
require operation 24 h/day.
They are particularly suitable for buildings where room cooling happens by means of radiant
systems such as floor, walls, ceiling or columns.
Dehumidifiers Ecodry combine state-of-the-art technical solutions with pleasant aesthetic and,
thanks to the external covers (optional and only for wall versions), display installation is
foreseen.
Dehumidifiers Ecodry IN+ e CN+ (isothermal), if correctly fed with chilled water at 15°C, are
able to dehumidify room air without altering the temperature. This is possible thanks to the
presence of 2 heat exchangers that pre-cool the inlet air and post-cool it after dehumidification
process.
Dehumidifiers Ecodry IN+ DC e CN+ DC (hybrid), if correctly supplied with chilled water at
15°C, are able to dehumidify room air without altering the temperature and are also fitted with
room thermostat and brazed welded plate condenser, thus allowing the unit to provide cool air
when the room temperature exceeds the set-point set on the dehumidifier.
The low air speed does not create annoying air currents typical of the traditional air
conditioning systems, guaranteeing maximum room comfort.
The top-quality refrigeration, hydraulic, air and electrical components make Ecodry units state
of the art dehumidifiers in terms of efficiency, reliability and sound power emitted.
2.1 Structure
The unit is made of a white pre-varnished metal sheet structure; the internal structural
elements are made in electro-welded metal sheet, for efficient protection against corrosive
agents. All screws and fastening systems are made with non-oxidising materials, stainless steel
or carbon steel with surface passivation treatments. The unit panels are covered with an open-
cell polyurethane synthetic material for maximum sound absorption. This materials falls in class
1 in compliance with the UL 94 standard and is CFC-free.
The unit is completely closed and access is only frontally for vertical models or from below and
side for the horizontal models. Access to the compressor compartment is made easier by the
removable panel, which allows operating free from obstacles.
2.2 Identifying the unit
*AAGXXXXFAAAA*
*------------*
Modello - Model
Matricola - Serial number
Data di produzione - Date of production
Categoria PED/ CE 97/23 Category
Procedura di valutazione conformità - Conformity module
Max temp. di stoccaggio - Max storage temperature [°C]
!
Ecodry IN+CN+_20190801 Page di Rossato Group Srl943
Ecodry IN+ CN+ - Manual of installation, use and maintenance
Label
The label is on the unit and contains all characteristics of the unit. It must be never removed.
2.3 Optional accessories
Casing
It consists of a galvanized sheet metal container to be inserted in the wall. It has the purpose
of containing the unit in a dedicated space and is set-up with all holes for hydraulic and
electrical connections. It is also fitted with specific pins for perfect fixing on wall. It is only
available for the vertical units.
Fig.1 Optional casing for vertical unit
External air intake and supply grid
It is made of a white lacquered wood panel or white pre-varnished metal sheet, equipped with
air intake and supply grids. It is arranged for a correct and practical fixing with the casing. It is
only available for vertical units.
Max temp. funzionamento - Max ambient working temperature [°C]
Min.temp.ambiente di funzionamento-Min ambient working temp.
[°C]
Potenza frigorifera nominale - Nominal Cooling Capacity
[ kW ]
Potenza nominale in riscaldamento - Nominal Heating Capacity [ kW
]
Refrigerante - Refrigerant [Ashrae 15/1992]
Carica refrigerante - Refrigerant charge [kg]
Peso a vuoto - Empty weight [kg]
Alimentazione - Power supply
Potenza assorbita Nominale - Nominal power input [kW]
Corrente nominale - Nominal absorbed current [A]
Corrente massima - Full load ampere FLA [A]
Corrente di spunto - Starting Current LRA [A]
Schema elettrico - Wiring diagram
Schema frigorifero - Refrigeration diagram
www.rossatogroup.com
Ecodry IN+CN+_20190801 Page di Rossato Group Srl10 43
750
657 19
Ecodry IN+ CN+ - Manual of installation, use and maintenance
Fig.2 Optional frontal panel made of wood to cover vertical units
Retaining external guard
It is made with white pre-varnished metal sheet cover that also allows installing the unit
externally, if the wall thickness does not support the casing. It is equipped with appropriate air
intake and supply grids.
It is only available for vertical units.
Remote hygrostat
It is the outdoor element, to be wall-mounted. it activates the unit's switch-on and off. Its room
relative humidity varies from 30-99%. Its precision is +/- 3%.
Supply plenum
It consists of a supply plenum for ducting the unit's supply with no. 2 wound flexible tubes.
Fig.3 Optional plenum for units CN+ 300
Fig.4 Optional plenum for units CN+ 600
Ecodry IN+CN+_20190801 Page di Rossato Group Srl11 43
230
632
725
Predisposizioni
connessioni idrauliche
Supercie di appoggio
deumidicatore
support surface of the
dehumidifier
space for hydraulic
connections
Ecodry IN+ CN+ - Manual of installation, use and maintenance
Supply flange
It consists of a supply flange to facilitate unit connection to the rigid channels for air
distribution. It is only available for the horizontal units 300.
Fig.5 Optional flange for units CN+300
Ecodry IN+CN+_20190801 Page di Rossato Group Srl13 43
supply flange
(4 fixing points)
Ecodry IN+ CN+ - Manual of installation, use and maintenance
3. Refrigerant and hydraulic circuits
1. Compressor
2. Dehydrating Filter
3. Evaporating Coil
4. Condensation Coil
5. High Pressure Safety Pressure Switch
6. Service Sockets
7. Lamination Item
8. Defrosting Temp Probe
9. Plate Condenser
10.Room Temp Control Solenoid Valve
11.Liquid Receiver
21. Water Inlet Temp Probe
22. Pre-cooling Coil
23. Post-cooling Coil
24. Water Inlet to Radiant System
25. Water Intake to Radiant System
30. Fan
31. Room Air Temp Probe
32. Air Inlet
33. Air Outlet
Ecodry IN+CN+_20190801 Page di Rossato Group Srl14 43
Ecodry CN+ and IN+
Ecodry CN+DC and IN+DC
Ecodry IN+ CN+ - Manual of installation, use and maintenance
3.1 Design criteria
All copper piping is made on our specifications with the aim of totally controlling the
construction process and implicitly to improve the quality of our products. Each piping meets the
requirements set by the directive and is verified through FEM calculation code in the most
stressed point from the 180° bend and at maximum pressure admitted by the safety parts,
considering adequate safety coefficients.
All the units at the base heat exchangers are equipped with stainless steel drip trays.
Compressors: The units are equipped with scroll compressors of a major international
brand. The motors are thermally protected by an internal protection device that controls
the temperature of the windings and deactivates the power supply when necessary.
Refrigeration components:
- Molecular sieve filter drier
- Expansion capillary
- Schrader valves for inspection and/or maintenance
Heat exchange coil
- Copper pipe and aluminium fin
Ecodry IN+CN+_20190801 Page di Rossato Group Srl15 43
Ecodry IN+ CN+ - Manual of installation, use and maintenance
4. Electrical circuits
4.1 Electrical equipments
The electric panel is made and wired in accordance with the standards quoted in the
declaration of conformity.
The control circuit is protected by a fuse.
All remote commands are built with very low voltage signals, powered by an isolation
transformer.
CAUTION:
To stop the unit, do not disconnect the power from the upstream protection of the unit; this element
must be used to dissect the entire unit for maintenance. To switch off the unit, act on the user
terminal.
Ecodry IN+CN+_20190801 Page di Rossato Group Srl16 43
Ecodry IN+ CN+ - Manual of installation, use and maintenance
4.2 Electrical diagram
4.2.1 Electrical diagram model Ecodry CN+ and IN+ 300 (hysothermal)
"
Ecodry IN+CN+_20190801 Page di Rossato Group Srl17 43
USER TERMINAL
high pressure switch
inlet water temp. probe
defrost temp. probe
Optional terminal block:
only in versions with
RS485 serial connection
COMPRESSOR
FAN
BLACK
BLUE
RED
WHITE
Ecodry IN+ CN+ - Manual of installation, use and maintenance
4.2.2 Electrical diagram model Ecodry CN+ DC and IN+ DC 300 (hybrid)
"
Ecodry IN+CN+_20190801 Page di Rossato Group Srl18 43
USER TERMINAL
Optional terminal block:
only in versions with
RS485 serial connection
high pressure switch
inlet water temp. probe
Room temp. probe
COMPRESSOR
BLACK
BLUE
RED
WHITE
ELECTROVALVE
GAS
Ecodry IN+ CN+ - Manual of installation, use and maintenance
4.2.3 Electrical diagram model Ecodry CN+ and IN+ 600 (hysothermal)
Ecodry IN+CN+_20190801 Page di Rossato Group Srl19 43
OPTIONAL CABLE 1 AND 2:
only in versions with
RS485 serial connection
high pressure switch
inlet water temp. probe
defrost temp. probe 1
COMPRESSOR
FAN
USER TERMINAL
POTENTIOMETER
This manual suits for next models
1
Table of contents
Other Rossato Dehumidifier manuals
