CLIMIA CTK 240 User manual

CLIMIA

CTK 240 mobile air dehumidier

Operating manual

Edition 1.0

English

CTK 240 mobile air dehumidier

Contents

Carefully read this operating manual prior to commissioning/using the units!

This operating manual is a translation of the German original.

This manual is an integral part of the unit and must always be kept in the vicinity of the installation location

or on the unit itself.

Subject to modications; no liability accepted for errors or misprints!

1.0 Safety instructions 4

2.0 Environmental protection and recycling 4

3.0 Guarantee 4

4.0 Intended use 4

5.0 Transport and packaging 5

6.0 Air dehumidication 5-7

7.0 Unit description 8

8.0 Set-up 9

9.0 Commissioning 9-12

10.0 Shutdown 12

11.0 Unit transport 12

12.0 Care and maintenance 13-14

13.0 Troubleshooting and customer service 14

14.0 Electrical wiring 15

15.0 Electrical wiring diagram 15

16.0 General view of unit 16

17.0 Spare parts list 17

18.0 Technical data 18

19.0 Maintenance log 19

EC Declaration of Conformity 20

CLIMIA

1.0 Safety instructions

Carefully read the operating manual

before commissioning the unit

for the first time. It contains useful

tips and notes, as well as hazard

warnings to prevent injury or

material damage . Failure to follow

the instructions in this manual can

endanger people, the environment

and the equipment itself and will

void any claims for liability.

This unit can be used by children

above the age of 8, as well as by

people with impaired physical,

sensory or mental capabilities or a

lack of experience and knowledge

if they are supervised or have

received instruction in the safe

operation of the unit, and if they

understand the associated potential

hazards. Children must never play

with the unit. Cleaning and user

maintenance must not be carried

out by unsupervised children.

Keep this operating manual and the

refrigerant data sheet near to the

units.

The following notes must be

observed in full:

•The units must not be operated

at an ambient temperature

below 5 °C.

•The units may not be set

up or operated in explosive

environments.

•The units must not be installed

or operated in atmospheres

containing oil, sulphur, chlorine,

salt or dust.

•Never insert foreign objects into

the units.

•The units may not be exposed to

direct jets of water.

•An unobstructed air inlet and air

outlet must be guaranteed at all

times.

•The air-inlet grille must always

be kept free of dirt and loose

objects.

•The units must not be covered

during operation.

•

The units must be installed

upright and in a stable position.

•

The units must not be

transported while they are

running.

•

The units may only be

transported upright (water will

escape otherwise).

•

Before each change of location,

the condensate container must

be emptied

•

All electrical cables on the

outside of the units must be

protected against damage (e.g.

by animals etc.)

•

Before each change of location,

the condensate containers must

be emptied

•Appropriate hazard prevention

measures must be taken to

prevent risks to people when

performing installation, repair,

maintenance or cleaning work on

the units.

•The units and components

should not be exposed to any

mechanical load, extreme levels

of humidity or direct exposure to

sunlight.

3.0 Guarantee

As a prerequisite for any warranty

claims to be considered, it is

essential that the ordering party or

its representative completes and

returns the "certificate of guarantee"

to Climia Intakt GmbH at the time

when the units are purchased and

commissioned.

The guarantee conditions are

listed in the "General terms

and conditions of business and

supply". Furthermore, only the

parties to a contract can conclude

special agreements beyond these

conditions. In this case, contact

your contractual partner in the first

instance.

Disposing of packaging

All products are packed for

transport in environmentally

friendly materials. Make a valuable

contribution to reducing waste

and sustaining raw materials. Only

dispose of packaging at approved

collection points.

Disposing of the units and their

components

Only recyclable materials are used

in the manufacture of the units and

components.

Help protect the environment

by ensuring that the units or

components (for example batteries)

are not disposed of in household

waste, but only in accordance

with local regulations and in an

environmentally safe manner,

e.g.using authorised disposal and

recycling specialists or council

collection points.

2.0 Environmental

protection and

recycling

CTK 240 mobile air dehumidier

The units are shipped in sturdy

transport packaging. Immediately

check the unit on delivery and make

a note of any damage (please take

photos of the damage) or missing

parts on the delivery note. Inform

the forwarding agent and your

contractual partner.

Please retain the packaging for

returns.

Claims under guarantee made at a

later date will not be accepted.

5.0 Transport and

packaging

4.0 Intended use

The units are designed exclusively

for drying and dehumidication

purposes on the basis of their

structural design and equipment.

The units must not be used for any

other purpose.

The units are only permitted to

be operated by people with the

relevant training and understanding

of how to handle them.

Any different or additional

use is a non-intended use. The

manufacturer/supplier assumes no

liability for damages arising from

non-intended use. The user bears the

sole risk in such cases.

Intended use also includes working

in accordance with the operating

and installation instructions and

complying with the maintenance

requirements.

It is evident that the corrosion rate

below 50% relative humidity (RH) is

low, and below 40% is negligible.

The corrosion rate increases

signicantly above 60% RH.

Thisthreshold for damage as the

result of humidity also applies to

other materials, such as powdery

substances, packaging, wood and

electronic units.

Buildings may be dried in a variety

of ways:

1. By heating and air exchange:

The air in the room is heated in

order for moisture to be removed

and then this air is fed outside.

All of the energy that is involved

is lost together with the moist air

that is released.

2. By air dehumidication:

The moist air that is present

within an enclosed space is

continuously dehumidied

according to the condensation

principle.

The correlations occurring when

air is dehumidied are based on

physical laws.

These are depicted here in graphical

form in order to provide you with

abrief overview of the principles of

air dehumidication.

Using Climia air dehumidiers

•

Even if windows and doors

are well insulated, water and

moisture are still capable of

penetrating thick concrete walls.

•

The water required for setting

in the production of concrete,

mortar and plaster etc. may only

be diused after 1-2 months.

•

Even moisture trapped in the

masonry after high-water or a

ood is released very slowly.

•

The same is also true of moisture

contained in stored materials for

example.

The moisture (water vapour)

released from parts of a building

or materials is absorbed by the

surrounding air. As a result, the

moisture content increases, which

ultimately gives rise to corrosion,

mould, rot, peeling of paint and

other unwanted damage.

By way of example, the diagram

shows the corrosion rate of metal in

dierent levels of humidity.

6.0 Air dehumidication

CLIMIA

With regard to energy consumption,

air dehumidication has one

distinct advantage:

Energy expenditure is limited

exclusively to the air volumes

present. The mechanical heat that

is released by the dehumidication

process is fed back into the room.

Under normal use, the

air

dehumidier

uses

approximately 25% of the

energy that is required for

the

"heating and ventilating"

principle.

Relative air humidity

Our ambient air is a gaseous

mixture which always contains

acertain volume of water in the

form of water vapour. This volume

of water is specied in g per kg of

dry air (absolute moisture content).

1m3of air weighs approx. 1.2 kg

at20°C

Depending on the temperature,

each kg of air is only capable of

absorbing a certain volume of

water vapour. Once this capacity

has been reached, the air is referred

to as“saturated” and has a relative

humidity (RH) of 100%.

Relative humidity is understood to

mean the ratio between the current

quantity of water vapour in the air

and the maximum possible quantity

of water vapour at the same

temperature.

The ability of the air to absorb water

vapour increases as the temperature

rises. I.e. the maximum possible

(absolute) water content becomes

greater as the temperature rises.

Building materials and structures

are capable of absorbing

considerable volumes of water,

suchas brick 90-190 l/m³, heavy

concrete 140-190 l/m³ and

limestone 180-270l/m³.

The drying of moist materials such

as masonry is eected as follows:

•

The moisture moves

from the inside of

the material to its

surface

•

Evaporation occurs on the

surface = Transfer of water

vapour to the ambient air

•

The air containing water vapour

is constantly circulated through

the air dehumidier. The air

is dehumidied and, slightly

heated, leaves the unit in order

to re-absorb water vapour

•

In this way, the moisture

contained in the material is

reduced gradually.

The material is dried!

The accumulated condensate is

collected in the unit and drained o

from there.

Drying materials

% RH Evaporator Condenser

Air temperature

Air direction

Air humidity

Progression

As it ows through or over the evaporator, the air stream is cooled to dew

point. The water vapour condenses, and is collected in a condensate trap

from where it is drained o.

Temp. Water vapour content in g/m3at humidity of

°C 40% 60% 80% 100%

-5 1.3 1.9 2.6 3.3

+10 3.8 5.6 7.5 9.4

+15 5.1 7.7 10.2 12.8

+20 6.9 10.4 13.8 17.3

+25 9.2 13.8 18.4 23.0

+30 12.9 18.2 24.3 30.3

CTK 240 mobile air dehumidier

Water vapour condensation

Because the capacity for the

maximum possible volume of

water vapour increases as the air is

heated, the volume of water vapour

contained remains constant and so

relative humidity falls.

In contrast, because the capacity for

the maximum possible volume of

water vapour decreases as the air is

cooled, the volume of water vapour

contained remains constant and so

relative humidity increases.

If the temperature continues to

fall, the capacity for the maximum

possible volume of water vapour

is reduced so much so that it is

ultimately equal to the volume of

water vapour contained in the air.

This temperature is referred to as

the dew point. If the air is cooled to

below the dew point, the volume of

water vapour in the air will become

greater than the maximum possible

volume of water vapour.

At this point, the water vapour

begins to precipitate.

This condenses to water and

moisture is removed from the air.

Examples of condensation include

steamed-up window panes in

winter, or the moisture on the

outside of a cold drinks bottle.

As the relative humidity of the air

increases, so too does the dew

point, making it easier for the

temperature to fall below it.

Condensation heat

The Energy transferred to the air

from the condenser consists of:

1. The amount of heat derived

beforehand in the evaporator.

2. The electrical drive energy.

3. The condensation heat released

by liquefying the water vapour.

Energy must be supplied when

liquid is converted into a gas. This

energy is designated as evaporation

heat. It does not cause any increase

in temperature, but is required

to convert a liquid into a gas.

Conversely, energy is released when

gas is liqueed, this is designated as

condensation heat.

The amount of energy from

evaporation heat and condensation

heat is the same.

For water, this is:

2250 kJ/kg (4.18 kJ = 1kcal)

From this it is evident that the

condensation of water vapour

causes a large quantity of energy to

be released.

If the moisture that it is to be

condensed is not introduced by

evaporation in the room itself,

but from outside, e.g. through

ventilation, the condensation heat

released contributes to the heating

of the room. With drying operations,

a heat cycle is created, whereby

heat is consumed for evaporation

and released for condensation.

When dehumidifying fed air,

alarger contribution of heat is

created, which manifests itself as

atemperature increase.

Generally speaking, the time

required for the drying process is

not only dependent on the output

of the unit, but is determined to

a greater extent by the speed at

which the material or building

section loses its moisture.

CLIMIA

nozzle into the condensate

container below either continuously

or only during the defrosting

phases.

A oat is installed inside the

condensate container. In the event

that the container is full, the oat

will activate a microswitch which

will switch o dehumidication

mode.

The units switch o and the

“container full” indicator light on

the control panel illuminates.

Thisextinguishes again when

theempty condensate container

isre-inserted.

The units then restart.

In unattended continuous operation

with an external condensate

connection, the condensate that

occurs is drained continuously via

a hose connection. The units then

start.

In unattended continuous operation

with an external condensate

connection, the condensate that

occurs is drained continuously via

ahose connection.

Recirculating fan

Condensate

container

Condenser

Evaporator

Condensate trap

Compressor

Moist room air

Dehumidied

room air

Fig. 1 Schematic depiction of the workings of the air dehumidier

7.0 Unit description

In dehumidication mode, one of

the“Fan stage”indicator lights on

the control panel illuminates.

The fan extracts the moist room air

through the intake grill with lter,

evaporator and the condenser

behind.

Heat is removed from the room air

on the cold evaporator. The air is

then cooled to below dew point.

The water vapour contained in

the room air is then deposited

as condensate or rime on the

evaporator ns.

On the condenser (heat exchanger),

the cold and dehumidied air is

warmed up again and discharged

back into the room via the outlet

grill with a temperature increase of

around 5 - 10°C above the room

temperature.

The processed, dry air then re-mixes

with the room air.

Continuous circulation of the room

air through the unit gradually

reduces the relative humidity (% RH)

in the room to the desired humidity

level.

Depending on the room air

temperature and the relative

humidity, condensed water will drip

into the condensate trap and then

through the integrated discharge

The units have been designed for

universal and straightforward air

dehumidication.

Their compact dimensions allow the

unit to be transported and set up

with ease.

The units operate in accordance

with the condensation principle and

are equipped with a hermetically

sealed refrigerant system, heat gas

defrosting, low-noise and low-

maintenance fan and connection

cable with plug.

The fully automatic control, the

variable hygrostat, the condensate

container with integrated overow

protection and the connection

nozzle for condensate drainage

guarantee fault-free continuous

operation.

The units conform to the

fundamental health and safety

requirements of the appropriate EU

stipulations.

The units are dependable and oer

ease of operation.

The units are used in all locations,

where dry air s a must and where

economic consequential damage

(such as that caused by mould)

must be prevented.

The units may be used for the

drying and dehumidication of

areas such as:

•

Living rooms, bedrooms, shower

rooms or cellar rooms

•

Laundry rooms, weekend homes,

caravans

•

Warehouses, archives,

laboratories

•

Bathrooms, wash rooms and

changing rooms etc.

•

Basements, storage rooms

Operating sequence

The units are switched on and o by

the power key.

CTK 240 mobile air dehumidier

8.0 Set-up

For the best economic and safe use

of the units, the following notes

must be followed in full:

•

The units must be set up in an

upright and level position, to

ensure that the condensate can

drain freely

•

To ensure optimum air

circulation, the units should be

set up in the centre of the room,

where possible

•

Ensure that the room air can

be sucked in and discharged

without hindrances

•

Observe a minimum clearance of

50 cm from walls at all times

•

Units must never be set up in the

immediate vicinity of heaters or

other sources of heat

•

Air circulation is improved if the

unit is set up approx. 1 m above

the ground

•

The room being dried or

dehumidied must be closed to

the surrounding atmosphere

•

Avoid having opened windows

and doors etc., and avoid

frequent entry to or exit from the

room as much as possible

•

The units may not be used in

environments containing a

great deal of dust or chlorine,

or in places with atmospheres

containing ammonia

•

The output of the unit is

entirely dependent on the

conditions inside the room, room

temperature, relative humidity

and observance of the set-up

instructions

Min. 0.5m

distance to wall

Maintain adequate clearance from

heaters or other sources of heat.

Keep windows and doors closed!

Fig. 2 Schematic depiction of how to set up the air dehumidier

9.0 Commissioning

Before commissioning the unit or if

local requirements dictate, the air-

inlet grill and air-outlet grill must be

checked for contamination.

Important notes prior to

commissioning

•

All extensions to the electrical

connection must be of

asucient cable size and must

only be used fully rolled out or

unrolled

•

Never use the power supply

connection cable as a pull cord

•

After being switched on,

theunits operate fully-

automatically until switched o

by the hygrostat or oat when

the condensate container is full

•

The condensate container must

be inserted properly

The unit cannot be operated

if the condensate container

isnot inserted properly!

•

In order to prevent damage to

the condenser, the units are

equipped with a mechanism that

prevents the compressor being

immediately switched back on

after it is switched o

The units do not switch back

on until a waiting time of

around 3 minutes has elapsed!

•

If the units work in continuous

operation with an external

condensate drainage

connection, refer to the relevant

section

NOTE

A contaminated grille or lter

must be cleaned or replaced

immediately.

CLIMIA

1. The power key switches the unit

on and o.

2. The speed key sets the fan stage.

The min/max fan stage indicator

lights indicate the fan stage at

which the unit is running.

3. If required, the unit can be

switched to manual timer mode

using the timer key.

4. Use the“Humidity/Time”arrow

keys to set the required air humidity

in the installation room or the

required air humidier operating

time.

5. After an operating time of

250hours, the“Check Filter”

indicator light illuminates and the

lter must be removed and cleaned

according to the instructions. The

unit can be reset using the lter

reset key after inserting the lter.

6. The display shows the current

air humidity or the required air

humidity during regulation, or the

required operating time. The display

shows the current air humidity

again 10 seconds after the setting is

made.

NOTE

In room temperatures below

10°C

and relative humidity

below

40%

, economical use

of the unit can no longer be

guaranteed.

NOTE

After setting the required air

humidity, the display shows

this for another 10 seconds

before displaying the current air

humidity again.

NOTE

Note that the compressor does

not switch on until a waiting

time of 3 minutes has elapsed.

Restart protection!

Control panel

The control panel contains various keys, indicator lights and a display.

7. The bucket full indicator light

indicates when the condensate

bucket is full and must be emptied.

8. The unit is in defrost mode while

the“Defrost” operating light is

illuminated.

Commissioning the units

1. Connect the unit's electrical

connection to a properly installed

mains socket.

2. Press the power key once to

switch on the unit.

3. Use the arrow keys to set the

required air humidity of the

installation room.

The air humidity can be set at

increments of 5 %.

The recommended approximate

setting values are listed in the

adjacent section.

Adjusting units/moisture

The unit’s dehumidication power

is entirely dependent on the

conditions inside the room, the

room temperature, the relative

humidity and observance of the

notes in the“Setting up”chapter.

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