Bedienungsanleitung Kaysun KP-35 CP10 (Seite 6 von 20) (Englisch)

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Warnings (for using R-290 refrigerant only)

1. Transport of equipment containing ﬂammable refrige-

rants.

See transport regulations

2. Marking of equipment using signs

See local regulations

3. Disposal of equipment using ﬂammable refrigerant

See national regulations.

4. Storage of equipment/appliances

The storage of equipment should be in accordance with

the manufacturer’s instructions.

5. Storage of packed (unsold) equipment

Storage package protection should be constructed

such thay mechanical damage to the equipment insi-

de the package will not cause a leak of the refrigerant

charge.

The maximum number of pieces of equipment permi-

tted to be stored together will be determined by local

regulations.

6. Information on servicing

1) Check to the area

Prior the beginning work on systems containing ﬂam-

mable refrigerants, safety checks are necessary to en-

sure that the risk of ignition is minimised. For repair

to the refrigerating system, the following precautions

shall be complied with the prior to conducting work on

the system.

2) Work procedure

Work shall be undertaken under a controlled procedu-

re so as to minimise the risk of a ﬂammable gas or va-

pour being present while the work is being performed.

3) General work area

All maintenance staff and others working in the local

area shall be instructed on the nature of work being

carried out. Work in conﬁned spaces shall be avoided.

The area around the workspace shall be sectioned off.

Ensure that the conditions within the area have been

made safe by control of ﬂammable refrigerants.

4) Checking for presence of refrigerant

The are shall be checked with an appropiate refrige-

rant detector prior to and during work, to ensure the te-

chnician is aware of potentially ﬂammable atmosphe-

res. Ensure that the leak detection equipment being

used is suitable for use with ﬂammable refrigerants,

i.e. non-sparking, adequately sealed or instrinsically

safe.

5) Presence of ﬁre extinguisher

If any hot work is to be conducted on the refrigeration

equipment or any associated parts, appropiate ﬁre ex-

tinguishing equipment shall be available to hand. Have

a dry powder or CO2 ﬁre extinguisher adjacent to the

charging area.

6) No ignition sources

No person carrying out work in relation to a refrige-

rantion system which involves exposing any pipe work

that contains or has contained ﬂammable refrigerant

shall use any sources of ignition in such a manner that

it may lead to the risk of ﬁre or explosion. All possible

ignition sources, incluiding cigarrette smoking, should

be kept sufﬁciently far away from the site of installa-

tion, repairing, removing and disposal, during which

ﬂammable refrigerant can possibly be released to the

surrounding space. Prior to work takking place, the

area around the equipment is to be surveyed to make

sure that there are no ﬂammable hazards or ignition

risks. No Smoking signs shall be displayed.

7) Ventilated area

Ensure that the area is in the open or that it is ade-

quately ventilated before breaking into the system or

conducting any hot work. A degree of ventilation shall

continue during the period that the work is carried out.

The ventilation should safely disperse any released

refrigerant and preferably expel it externally into the

atmosphere.

8) Checks to the refrigeration equipment

Where electrical components are being changed, they

shall be ﬁt for the purpose and to the correct speciﬁca-

tion. At all times the manufacturer’s maintenance and

service guidelines shall be followed. If in doubt consult

the manufacturer’s technical department for assistan-

ce. The following checks shall be applied to installa-

tions using ﬂammable refrigerants:

The charge size is in accordance with the room size

within which the refrigerant containing parts are ins-

talled;

The ventilation machinery and outlet are operating

adequately and are not obstructed;

If an indirect refrigerating circuit is being used, the se-

condary circuit shall be checked for the presence of

refrigerant;

Marking to the equipment continues to be visible and

legible. Markings and signs that are illegible shall be

corrected;

Refrigeration pipe or components are installed in a po-

sition where they are unlikely to be exposed to any

substance which may corrode refrigerant containing

components, unless the components are constructed

of materials which are inherently resistant to being co-

rroded or are suitably protectec against being so co-

rroded.

9) Checks to electrical devices

Repair and maintenance to electrical components sha-

ll include intitial safety checks and component inspec-

tion procedures. If a fault exists that could comprise

safety, then no electrical supply shall be connected to

the circuit until it is satisfactorily dealt with. If the fault

cannot be corrected immediately but it is necessary

to continue operation, an adequate temporary solution

shall be used. This shall be reported to the owner of

the equipment so all parties are advised.

Intitial safety checks shall include:

That capacitors are discharged: this shall be done in a

safe manner to avoid possibility of sparking;

Kaysun KP-35 CP10 Seite 6

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