Stiebel Eltron VRC-W 450 E Premium Handleiding (308 Pagina's)

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Settings

(qualified

contractors)

Device

operating

time

This

value

shows

you

the

time

elapsed

since

the

appliance

was

commissioned.

Fan

operating

time

This

value

is

the

sum

total

of

all

the

time

during

which

the

fans

have

been

rotating

since

the

appliance

was

commissioned.

11.1.2

"Settings"

menu

View

The

only

parameters

displayed

in

the

standard

setting

are

those

that

are

enabled

for

the

appliance

user

and

can

therefore

be

ac¬

cessed

without

a

code.

Qualified

contractors

can

use

the

"View"

parameter

to

enable

actual

values

and

parameters

that

are

reserved

for

qualified

contractors.

Standard

The

only

parameters

displayed are

those

that

have

been

released

for

tne

appliance

user

and

_

can

therefore

be

accessed

without

a

code.

_

Expert

_

Parameters

for

contractors

(code

"1000")

_

Service

_

Parameters

for

service

department

_

►

To

enable

actual

values

and

parameters

that

are

reserved

for

qualified

contractors,

enter

the

code

"1000".

►

Press

"OK".

■=>

"Expert"

is

shown

on

the

display

once

this

has

been

entered

correctly.

If

you

switch

to

the

actual

values

or

parameters,

you

see

the

en¬

abled

parameters.

General

Temperature

sensor

If

you

want

the

current

room

temperature

and

room

humidity

to

be

displayed,

you

can

enable

the

programming

unit's

internal

temperature

sensor

with

this

parameter.

We

recommend

en¬

abling

this

parameter

only

if

an

external

programming

unit

is

connected.

Environment

sensor

If

you

require

demand-dependent

ventilation,

activate

the

C0

2

/

VOC

sensor

with

this

parameter.

If

the

preset

air

quality

limit

is

exceeded,

the

appliance

increases

the

air

flow

rate

to

reduce

the

VOC

value.

We

recommend

enabling

this

sensor

only

in

external

programming

units.

Air

flow

rate

►

Use

parameters

"Flow

rate,

stage

0"

to

"Flow

rate,

stage

3"

to

set

the

air

flow

rates

for

the

individual

fan

settings.

Flow

rate,

stage

0_ m3

/h

_

Flow

rate,

stage

1_ m3

/h

_

Flow

rate,

stage

2_ m3

/h

_

Flow

rate,

stage

3_ m3

/h

_

Offset

setting

Use

these

parameters

to

match

the

air

flow

rates

to

fan

settings

during

commissioning.

Unit

Value

Calculate

automatically

_

On

/

Off

Offset

supply

air

flow

rate

level

2_ m3

/h

_

Offset

extract

air

flow

rate

level

2_ m3

/h

_

Offset

supply

air

flow

rate

level

0_ m3

/h

_

Unit

Value

c:

CD

Offset

extract

air

flow

rate

level

0

m3

/h

Offset

supply

air

flow

rate

level

1

m3

/h

Offset

extract

air

flow

rate

level

1

m3

/h

Offset

supply

air

flow

rate

level

3

m3

/h

Offset

extract

air

flow

rate

level

3

m3

/h

In

parameter

"Calculate

automatically",

if

you

select

the

"On"

option,

the

supply

air

flow

rates

and

extract

air

flow

rates

are

calculated

internally

for

all

fan

settings

on

the

basis

of

the

stage

2

offset.

Alternatively,

you

can

enter

an

offset

value

individually

for

each

fan

setting.

Formula

for

calculating

internal

air

flow

rates

Internal

supply

air

flow

rate,

stage

0

=

offset

supply

air

flow

rate,

stage

0

+

supply

air

flow

rate,

stage

0

Example

of

automatic

calculation

Nominal

supply

air

flow

rate

(stage

2)

m3

/h

_

180

Offset

supply

air

flow

rate

stage

2_ m3

/h

_

45

This

example

shows

the

automatic

calculation

of

the

internal

set

air

flow

rates

on

the

basis

of

the

offset

for

stage

2.

0

50

X

1.25

=

62

1

130

X

1.25

=

162

2

180

45

180

+

45

=

225

/

1.

80

=

180

x

1.25

=

225

1.25

225

3

235

x

1.25

=

294

Humidity

prot.

Enable

humidity

control

With

humidity-dependent

flow

rate

control,

the

air

flow

rate

is

increased

or

decreased

depending

on

the

humidity

level.

Option

Effect

Off inactive

On

active

Humidity

prot.

Interval

If

you

set

fan

setting

0,

the

appliance

switches

to

a

24

hour

dormant

phase.

Only

after

this

will

humidity

protection

control

start.

The

appliance

measures

the

humidity

of

the

extract

air

for

the period

set

at

"Humidity

capture

delay".

The

unit

compares

the

last

measured

value

with

the

limit

value

set

at

"Humidity

threshold".

If

the

humidity

threshold

value

is

exceeded,

the

unit

starts

to

ventilate.

If

the

humidity

threshold

value

is

undershot

again,

the

unit

terminates

ventilation.

At

this

point,

the

humidity

protection

interval

starts

again,

at

the

end

of

which

the

moisture

is

measured.

Humidity

threshold

►

Set the

upper

limit

for

humidity

here.

Humidity

capture

delay

The

appliance

measures

the

humidity

of

the

extract

air

for

the

set

period.

The

unit

compares

the

last

measured

value

with

the

limit

value

set

at

"Humidity

threshold".

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