CLIMA UNO FAHU Manuel d'instructions

General

Receipt

Positioning

Hydraulic connections

Electrical Connections

Start-up

Installation and Commissioning Checklist

Maintenance

Troubleshooting

Residue Risks

CONTENTS

*The data contained in this manual is not binding and

can be changed by the

manufacturer without prior notice

Introduction

Dear Customer,

Congratulations on having chosen a reliable product that will meet and exceed your

expectations.

Clima Uno units have been designed for high reliability, efficiency, quality and safety. Our

aim is to offer customers well-developed systems that assure comfort, reduce energy

consumption as well as installation and maintenance costs for the entire life cycle of the

unit.

Please read this manual thoroughly before proceeding with installation, operation,

maintenance or inspection of units. This manual features the necessary procedures and

manufacturer recommendations for correct handling, installation and maintenance of the

supplied unit, thus ensuring long product life and optimum performance.

All installations, repairs and servicing must be undertaken only by trained or qualified

personnel. The manufacturer assumes no liability for the installations or servicing

undertaken

by unqualified personnel.

Thank you for choosing Clima Uno units. Please follow the procedures mentioned in this

manual to ensure personal safety and smooth operation of units.

Kind regards,

Clima Uno Team

1. GENERAL

Purpose of the manual

This manual has been created to enable correct

installation, operation and maintenance of the unit.

Manual instructions

Please read the manual carefully and pay

particular

attention to:

PROHIBITIONS

Indicate operations that cannot be carried out

and which

can jeopardize the machines operation,

cause injuries or damage things.

WARNINGS

Indicate potentially dangerous or damaging

situations.

INFORMATION

Indicates particularly useful information.

The manufacturing company declines every liability

for any damages, directly or indirectly, to persons

or things,

following the non-compliance with these

instructions.

Preserving the manual

This manual and the wiring diagram of the unit

must be

carefully preserved and be available to

the operator for

future consultation.

System design

Installation, electric, hydraulic system etc., must

with the

current standards.

Qualified personnel

The unit must be installed, tested and assisted by

qualified

personnel having the legal requisites.

Installation

The installation must be carried out in accordance

with the

local safety standards.

Packaging

The packaging material (plastic bags, expanded

polystyrene, nails etc.) must be kept out of the

reach of

children, as it is a potential source of

danger and must be

correctly recycled/ disposed

of in accordance with local standards.

Maintenance

Disconnect the electric power supply to the unit

using lock out tagout before

carrying out any

maintenance. Operations must be carried

out in

accordance with the local safety standards.

Periodical checks

Carry out periodical checks as per our preventive

maintenance checklist. The lack of repair entails the risk of

damages to things and could cause personal injuries.

Fault - Malfunctioning

Disconnect the equipment in case of fault or

malfunctioning.

Repair

For any repairs, only contact an after-sales technical

assistance center authorized by the manufacturer and

request the use of original spare parts. Non-

compliance

with the above could jeopardise the safety

of the

equipment.

Modifications

Every liability is declined by the manufacturer with

voiding of the warranty in the event of electrical

and/or

mechanical modifications. Tampering in

general that is

not expressly authorized and not

respecting that reported

in this manual, voids the

warranty.

Destination of use

The unit is designed for the treatment of air with the

functions shown on the approved technical data sheet

(For eg. air handling, mixing,

filtration, heating, cooling,

humidification,

dehumidification and soundproofing). Keep

to the limits

foreseen in the technical schedule and in this

manual.

Any use different to that specified does not entail

any

kind of commitment or obligation

by the

manufacturer.

Safety integration principles

The unit is designed and manufactured so as not to

expose the individual to health and safety risks. In this

regard, project solutions have been adopted to

eliminate,

where possible, the possible causes of risk

or significantly

reduce the probability of the event of

risk. Where it is

not possible to intervene during

designing to prevent

and/or eliminate the risk, please

refer to the behavioral

prescriptions reported in the

residue risks section.

Data update

The continuous improvements made to the product

can

determine variations to data, even without prior

notice

by the manufacturer.

User training

The installer must train the user, particularly on:

Switch-on/off

Set point modification if equipped

Stand-by if applicable

How to carryout maintenance

Do’s & Don’ts in case of any fault.

1.1 Unit identification

Unit identification label

The unit identification label is found on the unit and indicates all key machine features. The

unit identification label must never be removed. This also has a QR code which has the unit

details and the manufacturer details for future reference.

The unit identification label shows the indications, in particular:

Manufacturer logo

QR code with the manufacturer details and contact other details

Manufactured location

The type of machine

Unit Reference - Range : Eg. CU-S

Unit Size - 1 to 36: Eg. CU S 25

The serial number: The serial number has the following details for easy identification of the units

o<Model no>-<YY><JOBNO>-<SERIAL> - Eg. <CU-S>-<21><1234>-<06>

o<YY> : Year of Manufacture

o<SERIAL> : This number makes the unit unique

Supply Air Flow

Return Air Flow

Motor Capacity and Number of Poles

Weight and Date of Manufacture

Serial number

Unambiguously identifies each machine.

Facilitates the identification of specific spare parts for the machine.

Intervention requests

From the serial number label, take note of the characteristic

data on the table for easy availability when required. Scan

the QR code from your smartphone camera to access all the details

For request of intervention, always provide the following data:

A sample name plate looks as shown below;

2. RECEIPT

2.1 Preliminary information

Work respecting the current safety standards. For

detailed information (dimensions, weights,

technical features etc.) please refer to the

TECHNICAL INFORMATION chapter. To perform

the operations, use protective equipment such as

gloves (cut level 3), goggles, hard hat and Boots.

2.2 Check upon arrival

Before accepting delivery, please check:

the unit has not been damaged during transport.

that the delivered material corresponds to that

indicated on the transport document, comparing

data with the matriculation plate positioned on

the pack.

In case of damages or anomalies:

Immediately make note of the found damage on

the transport document and write the wording:

"Collection with reserve for evident

shortages/damages due to transport".

Send email to customercare@climaunoglobal.com

with acknowledgement receipt to the carrier and

manufacturer.

The notifications must be made within 3 days

from receipt. Any notifications after this date will

not be accepted.

2.3 Storage

Respect the indications outside of the

unit/packing.

2.4 Handling

Check the weight of the unit and the capacity of

the lifting mean. Identify the critical points in the

handling path (holy paths, ramps, steps, doors).

Check the position of the center of gravity. Ensure

that the unit is stably balanced before starting

handling.

2.5 Removal of packaging

Pay attention not to damage the unit.

Recycle and dispose of the packaging material in

accordance with local standards

3. POSITIONING

3.1 Preliminary information

Work respecting the current safety standards.

To perform the operations use the protective

equipment such as gloves, goggles etc.

3.2 Functional spaces

The aim of functional spaces is to:

Guarantee operation of the unit

Allow maintenance operations

Protect authorized operators and exposed persons.

Respect functional spaces:

A corridor with a width that is equal to the length of

the finned coils (approximately equal to the width

of the machine) must be available to allow for

removal of the coils. On the sides with inspection

doors, a corridor must be left to allow the doors to

be opened completely and in any case no less than

600mm.

Double the functional spaces if more units are

aligned.

3.3 Positioning

The units have been designed to be installed:

Outdoors

In permanent position

Select the area for installation on the basis of

following criteria:

Level of sound emissions admitted by the local

standard

Customer approval

Ability to safely access position

Technical spaces requested by the unit

Maximum distance admitted from the electric

connections

Support points with adequate capacity for the unit

weight

Spaces for air ejection and suction

Disposal of condense water

Prefer:

Places where the unit does not disturb neighbors.

Avoid snow accumulating obstructing the coils

Avoid places that may be subject to flooding

Install the unit lifted from the ground.

Protect the unit with suitable fence in order to avoid

access to unauthorized personnel.

Limit the transmission of vibrations:

Use anti-vibration devices or neoprene strips on the

unit support points

Install flexible joints on the hydraulic connections

Install flexible joints on the aeraulic connections

Correct air circulation on the coil is essential to

guarantee good operation of the machine.

Avoid:

Obstacles to air flow (strong prevailing winds,

hedges, fences etc.)

Difficulty of heat exchange

Leaves or other bodies that can obstruct the heat

exchange coils

Winds contrasting or favoring the air flow

Heat sources near the unit (chimneys, extractors

etc.)

Sources of dust or pollutants

Recirculation (ejected air that is taken back via

suction)

Positioning on concrete floor

1. 2 cm thick neoprene strips

2. concrete floor

3. floor

Positioning on steel structure

1. anti-vibration device

2. steel structure

3. steel structure

Units installed outdoors require greater care, both

for reasons already mentioned and due to the

correct application of the rain cover, which is

subject to strong winds.

Special attention should be paid to the seal

gaskets.

Any flashing fitted to the base must be installed

so as to prevent the infiltration of water.

Therefore, pay special attention to the gasket

and the silicon seals. The height of the step

supporting the unit must be sufficient to avoid

any water or snow from stagnating that may

cause infiltration.

If the cover is already fitted to the unit and

fastened to the roof of the casing, check for any

breakages or loosening of the screws.

If the cover needs to be installed, make sure all

the material supplied is present such as sheets,

stiffeners, screws.

Special attention and care should be paid when

fitting the gasket; use silicon to ensure a

perfect seal, where required.

1. Joint protection (PPGI)

2. Roof

3. Aluminum frame

4. Base

5. Waterproofing

6. Support base

3.4 Joining the sections

During the installation of units consisting of a series of

sections, pay special attention to the installation assistance

stickers (Arrow stickers with the number for easy

installation) located on the sections.

After applying the self-adhesive gasket between the strips

on the sections being joined, bring the parts together so

that they fit perfectly. During this operation, ensure that

the unit is level.

Tighten the corner gussets and lock the joint using the

fasteners (Fig. a).

The gasket, gussets and the fastening screws are supplied

along with the unit.

Fig. a

3.5 Heat Recovery Units

For reasons of bulk, the heat recovery units may

be supplied as separate sections or partially

dismantled. In these cases, pay special attention

when assembling the recovery unit, which is made

from fragile and delicate material. Check that the

gaskets and the silicon seals prevent the bypass of

air. Check that the air by-pass damper, if present,

is working perfectly to ensure complete closing.

Static Cross Flow Recovery Unit

Check that the finned coil is not dented, broken

or crushed.

Rotary Recovery Unit

Check the positioning of the recovery unit, that

it is level and that the movement of the wheel is

regular and not misaligned. Check that the fins

are not damaged. Supply and return fans to be

run simultaneously. Periodic cleaning of filters

and any other components like HRW.

4. HYDRAULIC CONNECTIONS

4.1 Preliminary Information

Selection and installation of system components

must be carried out by installer.

Below you will find some indications to integrate

with what is provided by the local regulations in

force and by the technical laws.

4.2 Components

Cut-off valves:

Installed at inlet and outlet (both on the water

technique circuit as well as that of the hot domestic

water) and allows maintenance operations without

having to empty the system.

Thermometers and manometers:

Installed at entry and exit of the main elements to

facilitate inspection and maintenance.

Air bleed valve:

Installed in all of the highest points of the system

allowing the venting of the circuits air.

Drainage taps:

Installed in the lowest points of the system to allow

bleeding.

Expansion tank:

It keeps a correct system pressure when the water

temperature changes. It must be dimensioned as a

function of water content.

Water filter:

Must be installed immediately in the water input of the

unit, in a position that is easily accessible for cleaning.

The filter never should be removed, this operation

invalidates the guarantee.

Supports:

The hydraulic pipes weight must not burden on the unit

connections.

4.3 Operation Sequence

Before connecting the unit, carefully wash the system by

filling it and emptying it several times with clean water.

Ignoring this operation will lead to several filter

cleaning interventions and in worst cases can cause

damage to the exchangers and the other parts. Execute

leakage test before isolating the pipes. To avoid heat

dispersions and formation of condensate, isolate all the

pipes. Leave various point of service free (wells, vent-

holes etc.).

4.4 Water Quality

The water quality is determined by the following

factors, avoid therefore:

Inorganic salts

pH

Biological load (seaweeds etc.)

Suspended solids

Dissolved oxygen

Water with inadequate characteristics can cause:

Pressure drop increase

Energy efficiency decrease

Corrosive symptom increase

4.5 Risk of Freeze

If the unit or the relative water connections can be

subject to temperatures close to 0°C, adopt measures

for prevent risk of freeze. For example:

Mix water with ethylene glycol

Safeguard the pipes with heating cables placed under

the insulation

Empty the system in cases of long non-use and check

that there are no closed taps present that could trap

water even after emptying. Also, check that there are

no low points in which water can stagnate even after

emptying; carry out any blowing required.

4.6 Anti-Freeze Solution

Consider that the use of anti-freeze solution determines

an increase in pressure drop.

Make sure that the glycol type utilized is inhibited (not

corrosive) and compatible with the hydraulic circuit

components (pump etc.).

Do not use different glycol mixture (i.e. ethylic with

propylene)

4.7 Water Coils

The water coils must be installed with perfectly

horizontal pipes. They must be connected following the

indications on the stickers on the unit casing. In any

case, the fluid must flow through the coil in the

opposite direction to the air being treated, so as to

achieve maximum heat output.

Do not size the piping in the circuit in reference to the

diameter of the coil fittings, as these are sized

according to constructional requirements, and are in

any case standardized. The connections in the circuit

must not impede the removal of the coil from the unit.

In case of heating coils, Overheating inside the fan unit

represents danger. The accidental stopping of the fan

will cause overheating of stagnant air in the unit, with

consequent damage to the motor, the bearings, the

insulation and the plastic parts. The system must be

fitted with suitable equipment to bypass the passage of

water through the coil.

1.Air Flow.

4.8 Connecting the Direct Expansion Coils

Before starting to connect the coil, check that the pipes

are perfectly horizontal and run counter-current. When

performing the connections, all adjustment and control

equipment must be installed.

Distributor if not equipped along with the coil

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