Bedienungsanleitung REMKO KWG750 (Seite 5 von 60) (Englisch)

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erant is conducted to an air-cooled

condenser, which condenses the

refrigerant under high pressure as

a result of the heat exchange. The

air emerging from the condenser

heats the environment. Using a

controllable injection valve, the

liquid refrigerant is conducted back

to the evaporator, where the cycle

begins once again.

To regulate the cooling capacity,

a return temperature dependent,

multi-stage regulation is used,

which guarantees autonomous

unit operation in addition to all

safety functions. A ﬂoating contact

enables a remote release.

The unit is designed for outdoor

installation. It can also be used in-

doors under certain circumstances.

The cooling circuit of the unit con-

sists of an evaporator, compressor,

thermal injection valve, condenser,

condenser fan, pressure trans-

ducer, and high and low pressure

monitors. According to design, the

medium circuit consists of a plate

heat exchanger, circulation pump,

expansion vessel, safety valve,

differential pressure monitor, and

storage tank.

Accessories include winter fan

The units are provided in a stable

transport packaging. Please check

the units immediately at delivery,

note down any damage or miss-

ing parts on the delivery note, and

inform the shipping agent and your

contracting partner.

We assume no guarantee for later

complaints.

Description of the unit

Transport and packaging

During cooling mode, the unit (air-

cooled chiller) takes up the heat

from the operating medium to be

cooled (water or a water/glycol

mixture) within a closed medium

circuit in the evaporator (ﬂat plate

evaporator) and delivers it to the

closed cooling circuit. As a result

of the heat exchange, the medium

cools and the refrigerant in the

cooling circuit evaporates under

low pressure.

The gaseous refrigerant enters

an electrically driven compressor

(scroll construction), which increas-

es the pressure and temperature of

the refrigerant. The gaseous refrig-

controls, cabled remote controls,

crankcase heaters, vibration damp-

ers, heaters for anti-frost protec-

tion medium, protective grids,

glycol concentrate, and technical

unit handover.

Intended

use

According to design and equip-

ment, the units are intended for

use only as chillers for cooling an

operating medium of water or

a water-glycol mixture within a

closed medium circuit.

Any other use or any use going

beyond this application is consid-

ered improper. The manufacturer/

supplier is not liable for resulting

damage. The user alone bears the

risk.

Intended use also includes the

observance of the operating and

installation instructions, as well as

the maintenance conditions.

Legend:

1 Circulation pump

2 Manual bleeder

3 Flat plate evaporator

4 Differential pressure monitor

5 Diaphragm expansion vessel

6 Safety valve

7 Shut-off valve

8 Victaulic connectors

9 Medium storage tank

10 Free-cooling register

11 Three-way, free-cooling valve

12 Filling/draining valve

13 Medium inlet sensor

14 Medium outlet sensor

15 System return sensor

16 Ambient temperature sensor

Unit setup for medium circuit

KWG

8213

3 4

KWG...P

871213

3 4

KWG...SP

871213

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