Manual Carrier 07KD (page 6 of 48) (English, German, French, Italian, Spanish)

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General

The 07KD units are the high pressure side,

water cooled units of the cooling only

Carrier “Global-Split” system concept but

also for correctly selected units with fan and

cooler (vertical direct-expansion fan coil

units). The 07KD range covers 8 models:

010-015-018-024-028-036-048-060.

The power supply is 230V/1ph/50Hz for

07KD 010 to 028 and 400V/3ph/50Hz for

07KD 036 to 060.

The nominal cooling capacities are from 2,6

to 16 kW. The 07KD units are located

indoor and should be selected versus an

air-cooled system when the following

conditions apply:

• If outdoor installation is not possible: lack

of space, critical sound power level,

aggressive ambient atmosphere, distance

between indoor and outdoor unit too great

with difficult piping arrangements,

problems in running the pipes supply to

the outdoor unit, no clearance around

air-cooled condenser, architectural,

aesthetic problems, problematic service

conditions.

• If cooling water is available and is of good

quality

• If space is available in a machine room

close to the airconditioned office.

The table gives all combinations available

with the water-cooled 07KD units, in the

“Global-Split” system family. To connect

the 07KD to any other unit, check with

your local Carrier office or with qualified

installers. Wrong combinations and

control incompatibility can cause serious

damage and may void the warranty.

Inspect the shipment

Inspect the unit for damage or missing

parts. If damage is detected or if shipment

is incomplete, immediately file a claim with

the shipping company. Only remove the

packaging at the final installation.

Check that the electrical data on the

nameplate corresponds with the installation

network data. Check also that field power

supply is sized for the unit and for

additional accessories. Network voltage

range: 198 to 264 V (230/1/50) for 07KD

010-028, 350 to 460 V for 07KD 036 to 060.

Exceeding these limits will void the

warranty.

Safety instructions

Installation, start up and service of the

07KD should be only done by trained

qualified installers due to system pressure

and electrical components. When working

on equipment observe precautions in the

literature, on tags, stickers and labels

attached to equipment and any other safety

precautions that apply. Follow all safety

codes, wear safety glasses and work

gloves; when brazing wear protection

equipment and have a fire extinguisher

ready.

Note:

Be sure power to unit and accessories is

shut off before performing maintenance

or service.

Generalità

Le unità 07KD sono unità condensanti per

solo raffreddamento, utilizzate nei sistemi

ad acqua Carrier, ma anche con unità ad

espansione diretta con evaporatore e

ventilatore, correttamente selezionate. La

gamma 07KD comprende 8 modelli: 010-

015-018-024-028-036-048-060. L’alimenta-

zione elettrica è 230V/1f/50Hz per le

grandezze da 010 a 028, e 400V/3f/50Hz

per le grandezze da 036 a 060.

Le rese di raffreddamento nominali vanno

da 2.6 a 16kW. Le unità 07KD situate

all’interno dei locali sono da preferirsi ai

sistemi raffreddati ad aria quando si

verificano le seguenti condizioni:

• Se l’installazione all’esterno non è

possibile: mancanza di spazio, rumorosità

critica, condizioni atmosferiche aggressi-

ve, distanza eccessiva tra l’unità esterna

e l’unità interna con difficoltà di sistema-

zione delle tubazioni, alimentazione

elettrica all’unità esterna, mancanza di

spazi intorno all’unità condensante,

problemi estetici ed architettonici,

condizioni difficoltose di manutenzione.

• Se è disponibie acqua per il raffred-

damento, in buona qualità e quantità.

• Se è disponibile uno spazio di servizio

vicino al locale da condizionare.

La tabella fornisce tutte le combinazioni

disponibili dell’unità 07KD reffreddate ad

acqua con la famiglia “Global-Split”.

Per collegare lo 07KD ad altre unità,

consultare preventivamente Carrier o

installatori qualificati. Combinazioni

sbagliate o incompatibilità dei sistemi

possono causare seri danni e invalidare

la garanzia.

Ispezione della spedizione

Al ricevimento controllare che l’unità non

abbia subito danni e che non vi siano parti

mancanti. Al caso, compilare immediata-

mente un reclamo alla società responsabile

della spedizione. Disimballare solo prima

dell’installazione.

Verificare che i dati elettrici riportati sulla

targhetta caratteristiche corrispondano a

quelli disponibili dell’impianto. Inoltre,

controllare che l’alimentazione elettrica sia

dimensionata per l’unità ed eventuali

accessori. Limite di tensione rete: da 198 a

264V (230/1/50) per 07KD 010-028; da 350

a 460V per 07KD 036-060. Il non rispetto di

questi limiti invaliderà la garanzia.

Considerazioni sulla sicurezza

Le operazioni di installazione, avviamento e

manutenzione dello 07KD devono essere

eseguite esclusivamente da personale

qualificato per la presenza di pressione

all’interno del sistema e dei componenti

elettrici. Se si lavora sull’impianto, osserva-

re le avvertenze riportate sul manuale,

targhette, adesivi e cartellini sull’unità, ed

eventuali altre norme di sicurezza. Osser-

vare tutte le misure di sicurezza, portare gli

occhiali di protezione e guanti di lavoro;

durante le operazioni di saldatura indossare

indumenti protettivi e tenere un estintore a

portata di mano.

Nota: Assicurarsi che l’unità sia

scollegata dall’impianto elettrico prima

di svolgere operazioni di manutenzione.

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Carrier 07KD Manual

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