CTC Union CombiAir Series Benutzerhandbuch

Installer manual

LEK

CTC CombiAir

6, 8, 12, 16

Air/water heat pump

IHB EN 2024-1

16230559

Table of Contents

41 Important information

4Safety information

4Symbols

4Marking

4Serial number

4Recovery

5Environmental information

6Inspection of the installation

7Indoor modules

7Control modules

82 Delivery and handling

8Transport and storage

8Assembly

11Supplied components

12Removing the covers

13Removing the front panel

14Removing the side panel

153 The heat pump design

15General

22Electrical connection

25Sensor data

274 Pipe connections

27General

27Pipe coupling heating medium circuit

28Pressure drop diagram

28Pipe connections flex hose

29Docking alternatives

305 Electrical connections

30General

33Connections

416 Commissioning and adjusting

41Preparations

41Filling and venting

41Compressor heater

42Start-up and inspection

42Readjusting, heating medium side

42Adjustment, charge flow

437 Control

448 Disturbances in comfort

44Troubleshooting

519 Alarm list

5210 Accessories

52Ground stand

52Wall bracket

52Condensation water pipe - KVR

5311 Technical data

53Dimensions and setting-out coordinates

57Sound levels

58Technical specifications

60Working area

61Capacity and COP

Output with lower fuse rating than recommen-

ded

64Energy labelling

69Electrical circuit diagram

77Item register

79Contact information

3Table of Contents |CTC CombiAir

Safety information

This manual describes installation and service procedures

for implementation by specialists.

The manual must be left with the customer.

This appliance can be used by children

aged from 8 years and above and per-

sons with reduced physical, sensory or

mental capabilities or lack of experience

and knowledge if they have been given

supervision or instruction concerning use

of the appliance in a safe way and under-

stand the hazards involved. Children shall

not play with the appliance. Cleaning

and user maintenance shall not be made

by children without supervision.

Rights to make any design or technical

modifications are reserved.

Symbols

NOTE

This symbol indicates danger to person or ma-

chine .

Caution

This symbol indicates important information

about what you should consider when in-

stalling or servicing the installation.

TIP

This symbol indicates tips on how to facilitate

using the product.

Marking

The CE mark is obligatory for most products sold

in the EU, regardless of where they are made.

Classification of enclosure of electro-technical

equipment.

IP24

Danger to person or machine.

Read the User Manual.

Read the Installer Manual.

Serial number

The serial number for CTC CombiAir can be found on

the side of the foot.

LEK

D ATA

Serial number

Caution

You need the product's (12 digit) serial number

for servicing and support.

Recovery

Leave the disposal of the packaging to the in-

staller who installed the product or to special

waste stations.

Do not dispose of used products with normal

household waste. It must be disposed of at a

special waste station or dealer who provides this type of

service.

Improper disposal of the product by the user results in

administrative penalties in accordance with current legis-

lation.

CTC CombiAirChapter 1 | Important information4

1 Important information

Environmental information

This unit contains a fluorinated greenhouse gas that is

covered by the Kyoto agreement.

The equipment contains R410A, a fluorinated green-

house gas with a GWP value (Global Warming Potential)

of 2088. Do not release R410A into the atmosphere.

5Chapter 1 | Important informationCTC CombiAir

Inspection of the installation

Current regulations require the heating installation to be inspected before it is commissioned. The inspection must

be carried out by a suitably qualified person. Fill in the page for information about installation data in the User

manual.

DateSignatureNotesDescription

✔

Heating medium (page 27)

System flushed

System vented

Particle filter

Shut-off and drain valve

Charge flow set

Electricity (page 30)

Fuses property

Safety breaker

Earth circuit-breaker

Heating cable type/effect

Fuse size, heating cable (F3)

Communication cable connected

CTC CombiAir addressed (only when

cascade connection)

Connections

Main voltage

Phase voltage

When installing CTC CombiAir , check that

the software version of the indoor mod-

ule/control module is at least 2020-06-

01.

Miscellaneous

CTC CombiAirChapter 1 | Important information6

Indoor modules

CTC EcoZenith i360 H/L

3x400 V,3x230 V, 1x230 V

Control modules

CTC EcoLogic M, L

1x230 V

7Chapter 1 | Important informationCTC CombiAir

Transport and storage

CTC CombiAir must be transported and stored vertically.

Assembly

႑Place CTC CombiAir outdoors on a solid level base that

can take the weight, preferably a concrete foundation.

If concrete slabs are used they must rest on asphalt or

shingle.

႑The concrete foundation or slabs must be positioned

so that the lower edge of the evaporator is at the level

of the average local snow depth, although a minimum

of 300 mm.

႑The CTC CombiAir should not be positioned next to

sensitive walls, for example, next to a bedroom.

႑Also ensure that the placement does not inconveni-

ence the neighbours.

႑CTC CombiAir must not be placed so that recirculation

of the outdoor air can occur. This causes lower output

and impaired efficiency.

႑The evaporator should be sheltered from direct wind,

which negatively affects the defrosting function. Place

CTC CombiAir protected from wind against the evap-

orator.

႑Large amounts of condensation water, as well as melt

water from defrosting, may be produced. Condensa-

tion water must be led off to a drain or similar (see

page 10.

႑Care must be exercised so that the heat pump is not

scratched during installation.

LEK

min 300 mm

Min. 300 mm

Do not place CTC CombiAir directly on the lawn or other

non solid surface.

If there is a risk of snow slip from roof, a protective roof

or cover must be erected to protect the heat pump, pipes

and wiring.

CTC CombiAirChapter 2 | Delivery and handling8

2 Delivery and handling

Installation area

The distance between CTC CombiAir and the house wall

must be at least 150 mm. Clearance in front of

CTC CombiAir should be at least one metre.

150 mm

Fritt utrymme bakom

Min. avstånd

vid användning

av flera F2040

600 mm

3000 mm

400 mm 600mm

Minimalt

fritt utrymme

Minimalt

fritt utrymme

Fritt utrymme

framför

Free space behind

Min. distance when using

several CTCCombiAir

Minimum free

space

Minimum free

space

Free space in

front

1000 mm

9Chapter 2 | Delivery and handlingCTC CombiAir

Condensation water trough

The condensation water trough collects and leads away

most of the condensation water from the heat pump.

NOTE

It is important for the heat pump’s function

that the condensation water is led away and

that the outlet for the condensation water pipe

(KVR) is placed so as to prevent damage to the

building.

Condensation runoff should be checked regu-

larly, especially during the autumn. Clean if

necessary.

NOTE

Pipe with heating cable for draining the con-

densation water trough is not included.

To ensure this function, the accessory KVR

should be used.

KVR= Condensation water pipe

NOTE

The electrical installation and wiring must be

carried out under the supervision of an author-

ised electrician.

႑The condensation water (up to 50 litres/24 hrs) that

collects in the trough should be routed away by a pipe

to an appropriate drain, it is recommended that the

shortest outdoor stretch possible is used.

႑The section of the pipe that can be affected by frost

must be heated by the heating cable to prevent

freezing.

႑Route the pipe downward from CTC CombiAir .

႑The outlet of the condensation water pipe must be at

a depth that is frost free or alternatively indoors (with

reservation for local ordinances and regulations).

႑Use a water trap for installations where air circulation

may occur in the condensation water pipe.

႑The insulation must seal against the bottom of the

condensation water trough.

Recommended alternative for leading off

condensation water

Stone caisson

LEK

Frostfrit

Frost proof depth

If the house has a cellar the stone caisson must be posi-

tioned so that condensation water does not affect the

house. Otherwise the stone caisson can be positioned

directly under the heat pump.

The outlet of the condensation water pipe must be at

frost free depth.

CTC CombiAirChapter 2 | Delivery and handling10

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