Dometic CoolAir RT 780 Guida d'installazione

Assembly kit for Mercedes Benz Atego/

Axor (L cab with high roof)

Installation manual . . . . . . . . . . . . . . .8

Montagesatz für Mercedes Benz Atego/

Axor (L-Fahrerhaus mit Hochdach)

Einbauanleitung . . . . . . . . . . . . . . . .24

Kit de montage pour Mercedes Benz

Atego/Axor (cabine L à toit élevé)

Notice de montage . . . . . . . . . . . . . .42

Juego de montaje para Mercedes Benz

Atego/Axor (cabina del conductor L con

techo alto)

Instrucciones de instalación . . . . . . .61

Set di montaggio per Mercedes-Benz

Atego/Axor (cabina di guida a L con

tetto alto)

Istruzioni di montaggio . . . . . . . . . . .79

Montageset voor Mercedes Benz Atego/

Axor (L-bestuurderscabine met hoog

dak)

Montagehandleiding. . . . . . . . . . . . .97

Monteringssæt til Mercedes Benz

Atego/Axor (L-førerhus med højt tag)

Installationsvejledning . . . . . . . . . . 115

Monteringssats för Mercedes Benz

Atego/Axor (L-förarhytt med högt tak)

Monteringsanvisning . . . . . . . . . . .131

Monteringssett for Mercedes Benz

Atego/Axor (L-førerhus med høyt tak)

Montasjeveiledning . . . . . . . . . . . .147

Asennussarja malleihin Mercedes Benz

Atego/Axor (L-ohjaamo korkealla

katolla)

Asennusohje . . . . . . . . . . . . . . . . .162

Kit de montagem para Mercedes Benz

Atego/Axor (cabina L com teto alto)

Instruções de montagem . . . . . . . .177

Монтажный комплект для Mercedes

Benz Atego/Axor (L-кабина с высокой

крышей)

Инструкция по монтажу . . . . . . . .195

EN

DE

FR

ES

IT

NL

DA

SV

NO

FI

PT

RU

Zestaw montażowy do Mercedes Benz

Atego/Axor (kabina kierowcy

Megaspace i L)

Instrukcja montażowa . . . . . . . . . . 213

Montážní sada pro vozidla Mercedes

Benz Atego/Axor (kabina L s vysokou

střechou)

Návod k instalaci . . . . . . . . . . . . . . 231

Montážna súprava pre Mercedes Benz

Atego/Axor (kabína vodiča L so

zvýšenou strechou)

Montážny návod . . . . . . . . . . . . . . 246

Szerelőkészlet a következőkhöz:

Mercedes Benz Atego/Axor (L

vezetőfülke magastetővel)

Szerelési útmutató. . . . . . . . . . . . . 263

PL

CS

SK

HU

CoolAir RT780

3

CoolAir RT780

276358

169

1

830

2

CoolAir RT780

4

1

3

4

5

CoolAir RT780

1

2

3

4

10

5

1

2

3

4

5

6

7

6

CoolAir RT780

6

134567

8

9

2

7

12

11

10

1

2

3

8

7

4 9

6

5

7

11

M

8

7

CoolAir RT780

bl br gl gr ro sw w

DE Blau Braun Gelb Grün Rot Schwarz Weiß

EN Blue Brown Yellow Green Red Black White

FR Bleu Marron Jaune Vert Rouge Noir Blanc

ES Azul Marrón Amarillo Verde Rojo Negro Blanco

IT Blu Marrone Giallo Verde Rosso Nero Bianco

NL Blauw Bruin Geel Groen Rood Zwart Wit

DA Blå Brun Gul Grøn Rød Sort Hvid

SV Blå Brun Gul Grön Röd Svart Vit

NO Blå Brun Gul Grønn Rød Svart Hvit

FI Sininen Ruskea Keltainen Vihreä Punainen Musta Valkoinen

PT Azul Castanho Amarelo Verde Cinzento Vermelho Preto

RU Синий Коричневый Желтый Зеленый Красный Черный Белый

PL Niebieski Brązowy Żółty Zielony Czerwony Czarny Biały

CS Modrá Hněda Žlutá Zelená Červená Černá Bílá

SK Modrá Hnedá Žltá Zelená Červená Čierna Biela

HU Kék Barna Sárga Zöld Piros Fekete Fehér

EN

CoolAir RT780

8

Contents

1 Symbols and formats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

2 Safety instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

2.1 Using the device. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

2.2 Handling electrical cables. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

3 Conventions in this manual. . . . . . . . . . . . . . . . . . . . . . . . . . . .11

3.1 General information on the installation manual . . . . . . . . . . . . . . . . . . .11

3.2 Target group. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

4 Intended use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

5 Scope of delivery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

6 Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

6.1 Notes on installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

6.2 Removing the sunroof . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

6.3 Preparing the unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

6.4 Attaching the seal for the cab roof . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

6.5 Installing the unit in the sunroof . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

6.6 Installing the electrical supply lines . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

6.7 Fastening the cover frame . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17

7 Configuration of unit software . . . . . . . . . . . . . . . . . . . . . . . . .18

7.1 Starting and ending configuration mode. . . . . . . . . . . . . . . . . . . . . . . . .19

7.2 Menu level 1: Set temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19

7.3 Menu level 2: Low voltage cut-off. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20

7.4 Menu level 3: Operating mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21

7.5 Menu level 4: Default setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22

7.6 Menu level 5: Temperature unit display . . . . . . . . . . . . . . . . . . . . . . . . .22

8 Technical data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23

EN

9

CoolAir RT780 Symbols and formats

1 Symbols and formats

!

A

I

➤ Action: This symbol indicates that action is required on your part. The

required action is described step-by-step.

✓ This symbol describes the result of an action.

Fig. 1 5, page 3: This refers to an element in an illustration. In this case,

item 5 in figure 1 on page 3.

2 Safety instructions

You must read the entire manual thoroughly and carefully.

We can only guarantee the reliability of the air conditioning roof unit if the

instructions are adhered to. The same applies to the prevention of injury

and damage to property.

The manufacturer accepts no liability for damage in the following cases:

 Faulty assembly or connection

 Damage to the product resulting from mechanical influences and

excess voltage

 Alterations to the product without express permission from the manu-

facturer

 Use for purposes other than those described in the operating manual

WARNING!

Safety instruction: Failure to observe this instruction can cause fatal

or serious injury.

CAUTION!

Safety instruction: Failure to observe this instruction can lead to injury.

NOTICE!

Failure to observe this instruction can cause material damage and

impair the function of the product.

NOTE

Supplementary information for operating the product.

EN

Safety instructions CoolAir RT780

10

2.1 Using the device

 The freedom of movement of semi-trailers (of the outer edges of the

semi-trailer when turning or jackknifing) and other vehicle attachments

must not be restricted.

 Only use the air conditioning roof unit for the purpose specified by the

manufacturer and do not make any alterations or structural changes

to the device.

 Do not use the air conditioning roof unit if it is visibly damaged.

 The air conditioning roof unit must be installed safely so that it cannot

tip over or fall down.

 Installation, maintenance and repair work may only be carried out by

qualified personnel from a specialist company who are familiar with

the risks involved and the relevant regulations.

 Do not use the air conditioning roof unit near flammable fluids and

gases.

 Do not operate the air conditioning roof unit if the ambient temperature

is below 0 °C.

 Do not undo the upper cover of the air conditioning roof unit in the

event of a fire. Use approved extinguishing agents instead. Do not use

water to extinguish fires.

 Please inquire from your vehicle manufacturer whether the height

entered in your vehicle documentation needs to be altered due to the

installation of the air conditioning roof unit (height 169 mm).

 Disconnect all power supply lines when working on the air conditioning

roof unit (cleaning, maintenance, etc).

2.2 Handling electrical cables

 Use cable ducts to lay cables through walls with sharp edges.

 Do not lay loose or bent cables next to electrically conductive

materials (metal).

 Do not pull on the cables.

 Attach and lay the cables in such a manner that they cannot be tripped

over or damaged.

 The electrical power supply may only be connected by a specialist

workshop.

 Fit a fuse of 30 amps to the connection to the vehicle's power supply.

 Never lay power supply lines (battery leads) in the vicinity of signal or

control cables.

EN

11

CoolAir RT780 Conventions in this manual

3 Conventions in this manual

3.1 General information on the installation manual

This installation manual contains the essential information and instruc-

tions for installing the air conditioning roof unit. The information contained

is orientated towards the company installing the air conditioning roof unit.

The following instructions are intended to help you properly use the

installation manual:

 The installation manual is part of the scope of delivery and should be

stored carefully.

 The installation manual provides you with important information on the

installation of the device and can also be used as a reference material

in the event of repairs.

 The manufacturer assumes no liability for non-observance of this

installation manual. Any claims are excluded in this case.

3.2 Target group

The installation and configuration information in this manual is intended

for qualified installation personnel who are familiar with the guidelines

and safety precautions to be applied during the installation of lorry

accessory parts.

4 Intended use

The installation kit (item no. 9100300097) enables the installation of an

air conditioning roof unit CoolAir RT780 (item no. 9105306291) in a roof

ventilation opening (hatch) provided at the plant in a Mercedes Benz

Atego/Axor (L-driver cab with high roof).

I

A

NOTE

This installation kit is only suitable for vehicles with an electric sunroof.

For installation in a Mercedes-Benz Atego/Axor with a manual sunroof,

use the Universal 1 installation kit with the item number 9100300100.

NOTICE!

 The RT780 unit is not suitable for installation in construction

machines, agricultural machines or similar equipment. They will not

work properly if exposed to strong vibrations.

 Operating the RT780 unit with voltages other than those specified

can result in damage to the devices.

EN

Scope of delivery CoolAir RT780

12

I

5 Scope of delivery

CoolAir RT780 installation kit for Mercedes Benz Atego/Axor

(L driver cab with high roof), item no. 9100300097

NOTE

The RT780 unit is only designed for ambient temperatures of up to

43 °C.

Part designation Quantity Item no.

Installation manual 1 4445101419

1/4" hexagon bit 1 4445900172

Thread insert with flange M8 8 4445200068

2.5 m insulating tape (profile: 10 x 20 mm) 1 –

Spacer sleeve L = 18 mm, ∅ 14 mm 8 4443900236

Hex screw M8 x 40 8 –

Spring washer M8 8 –

Washer 8.4 x 20 8 –

Connection cable 8 mm² x 11 m 1 4441300243

Cable binder 1 –

Cover frame 1 4443000293

Spacer sleeve L = 15 mm, ∅ 10 mm 8 4443900211

Maxi Fuse holder 1 4441600172

Maxi Fuse 30 A 1 4441550009

Ring terminal M8 1

Ring terminal M10 1

Joint connector 1

EN

13

CoolAir RT780 Installation

6 Installation

A

6.1 Notes on installation

These installation instructions must be read completely prior to the instal-

lation of the air conditioning roof unit.

The following tips and instructions must be observed wile installing the air

conditioning roof unit:

!

 Always check whether any vehicle components could be damaged or

their operation impaired by the unit before installing the air condition-

ing roof unit. You can use fig. 1, page 3 and fig. 2, page 3 to check

the dimensions of the installed unit. The dotted line indicates the mid-

dle of the sunroof opening.

 Before installation, find out (by consulting the manufacturer of the

vehicle) whether the construction is designed for the static weight and

the loads of the parking cooler when the vehicle is in motion. The

manufacturer of the air conditioning roof unit assumes no liability

whatsoever.

 The roof inclination of the mounting surface may not exceed 8° in the

direction of travel.

 The supplied assembly parts must not be modified during installation.

 The ventilation slots (grill) may not be covered (minimum distance

from other attachment parts: 10 cm).

NOTICE!

 The air conditioning roof unit may only be installed by qualified per-

sonnel from a specialist company. The following information is

intended for technicians who are familiar with the guidelines and

safety precautions to be applied.

 The manufacturer only assumes liability for parts included in the

scope of delivery. The validity of the warranty expires if the device is

installed together with third-party parts.

 Check whether the roof of the vehicle is able to support the weight of

a person before climbing onto it. Ask the vehicle manufacturer about

the permitted roof loads.

WARNING!

Make sure that all electrical components are electrically discharged

before carrying out work on them!

EN

Installation CoolAir RT780

14

 You can connect the unit to the battery via the lorry's terminal block or

directly. The direct connection to the battery is preferred. On some

vehicles, larger consumers connected to the terminal block are

switched off after a short while if the power requirement is too high.

Ask your vehicle manufacturer for the specifications of the terminal

block.

 When installing the system and making the electrical connections,

observe the guidelines from the body manufacturer.

 Pay attention to the connection plan for the device:

!

I

No. in fig. 8,

page 6

Designation

1 Control pad

2 Connection cable

3 Room temperature sensor

4Earth

5 Klickson (compressor)

6 Compressor

7 Condenser fan

8 Vaporiser fan

9Earth

10 25 A fuse

11 2 A fuse

12 4 A fuse

WARNING!

Before installing the air conditioning roof unit, all connections to the

battery of the vehicle must be disconnected.

Non-observance of this regulation can result in danger of electrocution.

CAUTION!

Improper installation of the air conditioning roof unit can result in irrepa-

rable damage to the device and put the safety of the user at risk.

The manufacturer will not be held liable for claims if the air conditioning

roof unit is not installed according to this installation manual. That

applies to malfunctions and the safety of the air conditioning roof unit, in

particular to injuries and damage to property.

NOTE

After installing the unit, the specified parameters of the unit software

must be checked (chapter “Configuration of unit software” on page 18).

EN

15

CoolAir RT780 Installation

6.2 Removing the sunroof

➤ Remove all screws and fixtures of the existing sunroof.

➤ Take out the sunroof.

➤ Remove the sealant around the opening, so that the surface is clean

and free of grease.

I

6.3 Preparing the unit

A

➤ Place the air conditioning roof unit on a work surface with the housing

facing down.

A

➤ Screw in the 8 self-threading M8 thread inserts in the blind holes

marked with “1” (fig. 3 1, page 4).

Use the supplied 1/4" bit for this.

6.4 Attaching the seal for the cab roof

A

➤ Stick the 2.5 m insulating tape (10 x 20 mm) to the cab roof, following

the outline of the sunroof opening (fig. 4, page 4).

➤ Provide the abutting edge and the top edge of the insulating tape with

an unhardened plastic butyl sealing compound (e.g.

SikaLastomer-710).

NOTE

Dispose of all waste material, glue, silicone and seals separately.

Observe the local disposal guidelines.

NOTICE!

During preparatory work on the surfaces, secure the unit from falling

down.

Make sure that the work surface is clean and level to ensure that the unit

is not damaged.

NOTICE!

Screw in the thread insert vertically.

Do not exceed the screw torque of 10 Nm.

NOTICE!

Ensure that the adhesive surface for the seal between the unit and the

cab roof is clean (free of dust, oil, etc.).

EN

Installation CoolAir RT780

16

6.5 Installing the unit in the sunroof

➤ Drill out the existing holes (fig. 5 10, page 5) on the roof opening to

∅ 10 mm.

➤ Deburr the drill holes.

➤ Protect the drill holes from corrosion.

➤ Set the unit down centrally aligned and in the direction of travel

(fig. 1, page 3) on the sunroof opening.

I

➤ Place the spacer sleeve L = 18 mm (fig. 5 1, page 5) on the

fastening drill holes as shown in fig. 5, page 5.

➤ Screw one hex screw M8 x 40 mm (fig. 5 4, page 5) with a washer

(fig. 5 2, page 5) and spring washer (fig. 5 3, page 5) in the

8 thread inserts on the bottom of the unit.

A

➤ Tighten the screws with a torque of 8 Nm.

6.6 Installing the electrical supply lines

!

A

I

NOTE

Make sure the air conditioning roof unit is centred perfectly. The seal

must be applied continuously around the air conditioning roof unit after

being placed on the roof of the vehicle. This is the only way to ensure a

tight seal.

NOTICE!

Do not exceed the specified torque under any circumstances. This is the

only way to ensure that the thread inserts are not torn out.

WARNING!

 The electrical power supply may only be performed by qualified

personnel with specialist knowledge.

 Make sure there is no voltage present on electrically operated

components before carrying out work on them!

NOTICE!

 Fit a fuse of 30 amps to the connection to the vehicle's power supply.

 The battery must be able to supply the required current and voltage

(chapter “Technical data” on page 23).

NOTE

The unit is equipped as standard with a 11 m long cable with a cross-

section of 8 mm

2

.

EN

17

CoolAir RT780 Installation

You can connect the unit to the battery via the lorry's terminal block or

directly. The direct connection to the battery is preferred. Ask your vehicle

manufacturer for the specifications of the terminal block.

For connecting to the battery, proceed as follows:

➤ Plug the connection cable into the socket of the parking cooler supply

line.

➤ Secure the connection cable with a cable tie, e.g. to the cab roof.

➤ Lay the connection cable for the battery box in a protected place.

➤ Trim the negative cable (black) to length if necessary and attach an

appropriate ring terminal.

➤ Connect the negative cable (black) directly to the negative terminal of

the battery.

I

➤ Attach the fuse holder in a suitable location.

➤ Lay the positive cable (red) to the fuse holder and trim.

➤ Trim the shorter connection cable from the fuse holder to the correct

length and connect with a joint connector on the positive cable (red).

➤ Insulate the connection cable with the joint connectors properly.

➤ Trim the longer connection cable from the fuse holder if necessary and

fit a suitable ring terminal.

➤ Connect the longer connection cable from the fuse holder with the ring

terminal directly to the positive terminal of the battery.

6.7 Fastening the cover frame

A

fig. 6, page 5

➤ Fasten the cover frame (6) to the cab roof (original fastening points)

with the spacer sleeves (5) and the original screws (7). The spacer

sleeves keep the cover frame apart from the cab roof.

NOTE

Place the fuse holder no more than 0.3 m from the positive terminal of

the battery.

NOTICE!

Screw the screws in carefully order not to damage the cover frame.

EN

Configuration of unit software CoolAir RT780

18

7 Configuration of unit software

Before you first start up the unit, the controls can be adapted to suit the

installation conditions. This must be done by the person installing the unit.

In configuration mode, the following unit software parameters must be set

at the control panel (fig. 7, page 6).

I

Menu

level

Parameter Meaning

Default

setting

1 Set temperature The unit starts at the temperature

defined here.

20 °C (68 °F)

2 Low voltage

cut-off

The battery monitor shuts down the unit

at the voltage defined here.

Characteristic

figure 4 =

22,8 V

3 Operating mode The unit starts with the operating mode

defined here.

0 = Automatic

mode

4 Default settings Parameters 1 – 3 can be reset to the

default settings.

--

5 Temperature unit

display

The temperature can be displayed in °C

or °F.

°C

NOTE

Configuration mode can still be activated if the undervoltage protection

mechanism has switched off the unit and only residual voltage is

available.

EN

19

CoolAir RT780 Configuration of unit software

7.1 Starting and ending configuration mode

The adjustable parameters can be changed in configuration mode:

➤ When using the button to switch on the unit, hold both buttons +

and

– pressed until the compressor LED flashes.

✓ You are now in configuration mode.

✓ The display version (e. g. “3.1S”) appears in the display for 2 seconds.

✓ The first digit of the display shows the menu level and the second and

third digits show the parameters which can be set, e.g. 1.17 for menu

level 1 and a set target value of 17 °C.

I

➤ Press the button to quit configuration mode.

7.2 Menu level 1: Set temperature

The unit always starts with a defined value for the room temperature. This

parameter can be configured between 17 and 30 °C (62 and 86 °F).

➤ Start configuration mode (chapter “Starting and ending configuration

mode” on page 19).

✓ The first digit of the display shows the menu level and the second and

third show the parameter which can be set.

➤ Press the button to change the parameters.

➤ Use the +

and

–

buttons

to select the target value (in °C) at which the

unit should start operation.

✓ The digits in the display flash until the parameter you entered is

confirmed.

➤ Press the button to confirm your entry.

✓ The set value is saved and is then used when the unit is restarted.

✓ You are now in menu level 1 again and can use the +

and

– buttons to

switch between menu levels.

NOTE

If you make no entry on the control panel for 60 seconds, the unit quits

configuration mode and shuts down.

EN

Configuration of unit software CoolAir RT780

20

7.3 Menu level 2: Low voltage cut-off

The battery monitor protects the battery from excessive discharging.

A

If only the set power supply is available here for the air conditioning roof

unit, the unit is switched off.

➤ Start configuration mode (chapter “Starting and ending configuration

mode” on page 19).

✓ The first digit of the display shows the menu level and the second and

third show the parameter which can be set.

➤ Press the

+

button

once to switch to menu level

2

.

➤ Press the button to change the parameter.

✓ The digits in the display flash until the parameter you entered is

confirmed.

➤ Use the +

and

–

buttons

to set the value for low voltage shutdown. The

characteristic figures at second and third place on the display repre-

sent the voltage (V) at which the unit is shut down:

➤ Press the button to confirm your entry.

✓ The set value is saved and is then used when the unit is restarted.

✓ You are now in menu level 2 again and can use the +

and

– buttons to

switch between menu levels.

NOTICE!

When the battery monitor switches the device off, the battery only has

part of its charging capacity. Avoid starting repeatedly or operating elec-

trical consumers. Make sure that the battery is recharged. As soon as

the required voltage is available again, the unit can be operated again.

Characteristic

figure

Low voltage

shutdown

Characteristic

figure

Low voltage

shutdown

1 22.2 6 23.0

2 22.4 7 23.1

3 22.6 8 23.2

4 22.8 9 23.4

5 22.9 10 23.6

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