Bedienungsanleitung REMKO KWG750 (Seite 26 von 60) (Englisch)

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Medium lines

The medium lines can be designed

as copper, steel, or plastic pipes.

To minimise pressure losses, only

ﬁttings that are favourable to ﬂow

should be used.

During design, the large volume

ﬂow rates of cold water systems,

higher pressure losses due to a

water/glycol mixtures, and the

minimum volume ﬂow rate of the

chiller must be taken into consid-

eration.

The line must be insulated in a

vapour-diffusion-tight manner, and

any current, local energy savings

ordinances must be observed. UV

resistance must be implemented

outdoors.

Victaulic connectors

The connection to the unit is

implemented using Victaulic con-

nectors. The Victaulic connectors

offer many advantages, such as

vibration reduction of the internal

pipeline at the connection to the

on-site pipework. The pipe adapter

allows a welded or threaded con-

nection to the on-site pipework.

The connection can be seen in the

following ﬁgures:

Victaulic connectors

Pressure and temperature indica-

tors

The pressure and temperature in-

dicators to be installed in the inlet

and outlet on site are used to set

the medium volume ﬂow rate. The

indicators should be lockable.

The chiller contains temperature

sensors in the medium inlet, me-

dium outlet, and condenser. Using

the controller, the sensor values

can be queried.

Line regulating valves

Using line regulating valves

provided on site, the individual

pressure losses calculated in the

pipe network design are adapted

to each individual unit in the

overall system. Due to the pressure

loss, the nominal volume ﬂow

rates of the medium are adapted

to the required values. If necessary,

a line regulating valve is required

in the inlet ﬂow line to regulate the

volume ﬂow rate in case the pump

pressure is too high.

Connection of the medium

lines

■

The on-site connection of the

lines takes place on the rear of

the units.

■

For servicing purposes, the

connections must be equipped

with shut-off valves and the

volume ﬂow rate must be set

using line regulating valve.

■

Additional automatic bleeding

valves are provided in the inlet

ﬂow, return, and highest point

of the installation.

■

The medium lines must not

exert static loads on the unit.

■

The connection of the lines

must not generate thermal or

mechanical stress on the unit.

Cool the line if necessary and/

or dolly with a second tool.

■

If the unit is initially operated

with only part of the overall

system, the medium volume

ﬂow rate of the missing parts of

the system must be simulated

using line regulating valves.

■

The pipe dimensioning must be

designed in such a way that the

required minimum volume ﬂow

rate is not undershot.

Pipe routing

KWP 400-1750

No pipe routing

possible

Free pipe

routing

possible

In order for the minimum

volume flow rate to be

reached, a permanent, high

volume flow rate must be

guaranteed.

ATTENTION

Source: Victaulic

REMKO KWG

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