CLIVET WDAT-iZ4 Referenzhandbuch

R1234ze

MANUAL

FORINSTALLATION,

USEANDMAINTENANCE

WDAT-iZ4

120.1 - 580.2



The data contained in this manual is not binding and may be changed by the manufacturer without prior

notice. Reproduction, even partial, is FORBIDDEN. © Clivet S.p.A. - Feltre (BL) - Italia



Dear Customer,

We congratulate you on choosing these product

Clivet has been working for years to oer systems able to assure the maximum comfort for

a long time with highly-reliable, ecient, high-quality and safe solutions.

The target of the company is to oer advanced systems, that assure the best comfort and

reduce energy consumption as well as the installation and maintenance costs for the entire

life-cycle of the system.

With this manual, we want to give you information that are useful for all phases: from

reception, installation and use to disposal - so that such an advanced system can provide

the best performances during installation and use.

Best regards and have a good read.

CLIVET Spa

3



Safety considerations 5

Before installation 7

Selecting the installation site 9

Water connections 11

Electrical connections 16

Start-up 22

Control 32

Maintenance 40

9 Antivibration mounts 51

10 Rilevatore perdite refrigerante 54

11 Decommissioning 55

12 Residual risks 56

13 Technical data 58



1 SAFETY CONSIDERATIONS

Manual

The manual provides correct unit installation, use and

maintenance.

It is advisable to read it carefully so you will save time during

operations.

Follow the written indications so you will not cause damages to

things and injuries people.

Preliminaries

Only qualified personnel can operate on the unit, as required by

the regulation in force.

Risk situations

The unit has been designed and created to prevent injures to

people.

During designing it is not possible to plane and operate on all

risk situation.

Read carefully “Residual risk” section where all situation which

may cause damages to things and injuries to people are

reported.

Installation, starting, maintenance and repair required specific

knowledge; if they are carried out by inexperienced personnel,

they may cause damages to things and injuries people.

Intended use

Use the unit only:

x cooling water or a water and glycol mix for air-conditioning

x keep to the limits foreseen in the technical schedule and in

this manual

The manufacturer accepts no responsibility if the equipment is

used for any purpose other than the intended use.

Installation

Outdoor installation

The positioning, hydraulic system, refrigerating, electrics and the

ducting of the air must be determined by the system designer in

accordance with local regulations in force.

Follow local safety regulations.

Verify that the electrical line characteristics are in compliance

with data quotes on the unit serial number label.

Maintenance

Plan periodic inspection and maintenance in order to avoid or

reduce repairing costs.

Turn the unit off before any operation.

Pay particular attention to:

 warnings / prohibitions / danger

indicating particularly important

operations or information, operations

that cannot be done, which compromise

the functionality of the unit or which

may cause damage to things or

persons.

Outdoor installation

Before any work read:



Chapter. MAINTENANCE SAFETY

WARNINGS FOR OPERATIONS ON

UNITS CONTAINING R1234ze

5



Modification

All unit modifications will end the warranty coverage and the

manufacturer responsibility.

Breakdown/Malfunction

Disable the unit immediately in case of breakdown or malfunction.

Contact a certified service agent.

Use original spares parts only.

Using the unit in case of breakdown or malfunction:

x voids the warranty

x it may compromise the safety of the unit

x it may increase time and repair costs

User training

The installer has to train the user on:

x start-up/shutdown

x set points change

x standby mode

x maintenance

x what to do / what not to do in case of breakdown.

Data update

Continual product improvements may imply manual data changes.

Visit manufacturer web site for updated data.

Indications for the User

Keep this manual with the wiring diagram in an accessible place

for the operator.

Note the unit data label so you can provide them to the

assistance centre in case of intervention (see “Unit identification”

section).

Provide a unit notebook that allows any interventions carried out

on the unit to be noted and tracked making it easier to suitably

note the various interventions and aids the search for any

breakdowns.

In case of breakdown or malfunction

x Immediately deactivate the unit

x Contact a service centre authorized by the manufacturer

1 SAFETY CONSIDERATIONS



The installer must train the user, particularly on:

x Start-up/shutdown

x Set points change

x Standby mode

x Maintenance

x What to do / what not to do in case of breakdown

Unit identification

The serial number label is positioned on the unit and allows to

indentify all the unit features.

The matriculation plate shows the indications foreseen by the

standards, in particular:

x unit type

x serial number (12 characters)

x year of manufacture

x wiring diagram number

x electrical data

x type of refrigerant

x refrigerant charge

x manufacturer logo and address

The matriculation plate must never be removed.

It contains fluorinated greenhouse gases.

Serial number

It identifies uniquely each unit.

Must be quoted when ordering spare parts.

Assistance request

Note data from the serial number label and write them in the

chart on side, so you will find them easily when needed.

1 SAFETY CONSIDERATIONS

Series

Size

Serial number

Year of manufacture

Number of electrical wiring diagram

Physical characteristics of the R1234ze refrigerant

Safety class (ISO 817) A2L 

LFL Low flammability limit 0.303 kg/m3@T>30°C

BV Burning velocity 0 cm/s

Boiling point -19 °C

GWP 7 100yrITH

GWP <1 AR5Ͳ100yrITH

Self-ignition temperature 368 °C

7



Reception

You have to check before accepting the delivery:

x That the unit hasn’t been damaged during transport

x That the materials delivered correspond with that indicated on

the transport document comparing the data with the

identification label positioned on the packaging.

In case of damage or anomaly:

x write down on the transport document the damage you found

and quote this sentence: “Conditional acceptance clear

evidence of deficiencies/damages during transport”

x wontact by fax and registered mail with advice of receipt to

supplier and the carrier.

NOTE



Any disputes must be made within 8 days from the date of

the delivery. Complaints after this period are invalid .

Storage

Respect the indications on the outside of the pack.

In particolar:



minimum ambient temperature –10°C

(possible components damages)



maximum ambient temperature +55°C

(possible safety valve opening)



maximum relative humidity 95%

(possible damages to electrical components

NOTE



The unit may not be tilted more than 15° during transport.

NOTE

Removal of packaging

Be careful not to damage the unit.

Recycle and dispose of the packaging material in compliance with

local regulations.

2 BEFORE INSTALLATION



2 BEFORE INSTALLATION

Handling



Check that all handling equipment complies with local safety

regulations (cran, forklifts, ropes, hooks, etc.).



Provide personnel with personal protective equipment suitable

for the situation, such as helmet, gloves, accident-prevention

shoes, etc.

x Observe all safety procedures in order to guarantee the

safety of the personnel present and the of material.

x Verify unit weight and handling equipment lifting capacity.

x Identify critical points during handling (disconnected routes,

flights, steps, doors).

x Suitably protect the unit to prevent damage.

x Lifting with balance

x Lifting with spacer bar

x Align the barycenter to the lifting point

x Gradually bring the lifting belts under tension, making sure

they are positioned correctly.

x Before starting the handling, make sure that the unit is

stable.

9



3 SELECTING THE INSTALLATION SITE

Positioning



Installation must be in accordance with local regulations. If

they do not exist, follow EN378

During positioning consider these elements:

x customer approval

x unit weight and bearing point capacity

x safe accessible position

x functional spaces

x spaces for the air intake/exhaust

x electrical connections

x max. distance allowed by the electrical connections

x water connections

Functional spaces

Functional spaces are designed to:

x guarantee good unit operation

x carry out maintenance operations

x protect authorized operators and exposed people



Respect all functional spaces indicated in the TECHNICAL

INFORMATION section.

Positioning

Units are designed to be installed:

x EXTERNAL

x in fixed positions



Put the unit in a position where any leaking gas cannot enter

buildings or stagnate in closed areas. In the latter case,

observe the rules for machinery rooms (ventilation, leak

detection, etc.).

Installation standards:

x install the unit raised from the ground

x bearing points aligned and leveled

x discharged condensation water must not cause harm/danger

to people and property

x the accumulation of snow must not cause clogging of the

coils

x avoid installations in places subject to flooding

Limit vibration transmission:

x use anti-vibration devices or neoprene strips on the unit

support points

x install flexible joints on the hydraulic connections

Protect the unit with suitable fence in order to avoid access to

unauthorised personnel (children, vandals, etc.)

A correct circulation of the air is mandatory to guarantee the

good unit operating..



3 SELECTING THE INSTALLATION SITE

800

800800

800

Avoid therefore:

x obstacles to the airflow

x exchange difficulties

x leaves or other foreign bodies that can obstruct the exchange

batteries

x winds that hinder or favour the airflow

x heat or pollution sources close to the unit (chimneys,

extractors etc)

x stratification (cold air that stagnates at the bottom)

x recirculation (expelled air that is sucked in again)

x positioning below the level of the threshold, close to very high

walls, attics or in angles that could give rise to stratification

or recirculation phenomenons.

Ignoring the previous indications could:

x energy efficiency decrease

x blocchi per ALTA PRESSIONE (in estate) o BASSA PRESSIONE

(in inverno).

Pressure relief valve gas side

The installer is responsible for evaluating the opportunity of

installing drain pipes in compliance with the local regulations in

force (EN 378).

If ducted, the valves must be sized according to EN13136 .

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