Daikin Modular T User manual

Modular T

Original translations

Installation manual

Electric pre/post heating

Modular T

REV 00

DATE October 2022

REPLACES

D-EIMOC2009-22_00EN

Modular T Smart ABT

Traduzione delle istruzioni originali

Manuale di installazione

uso e manutenzione

Modular T Smart ATB

The pictogram shows a situation of immediate danger or a dangerous situation that might cause injuries or death.

The pictogram shows that it is necessary to adopt suitable behaviour in order to avoid jeopardising sta safety and

cause damages to the equipment.

The pictogram shows particularly important technical information that should be taken into consideration by the

people installing or using the equipment.

Important warnings

Read this manual carefully before installation and keep it for any further future consultation by the vari-

ous operators. Do not remove, tear out or rewrite any part of this manual.

Failure to follow these instructions may cause damage and injuries, even fatal, voids

the warranty and relieves the Manufacturer of any liability.

All installation, assembly, electrical connections to the mains and ordinary/extraordinary

maintenancemustbeperformedonlybytechnicianscomplyingwiththelegalrequirements,

after turning o the unit and using personal protective equipment (i.e. gloves, protective goggles,

etc.), in compliance with the regulations in force in the country the equipment is to be used in and

the laws on safety in the workplace.

Installation, use or maintenance other than those specied in the manual may cause damage,

injury or death, invalidate the warranty and relieve the Manufacturer of all liability.

Use protective clothing and suitable equipment while handling or installing the equipment, in

order to prevent accidents and safeguard your own and other people’s safety. Individuals not

assigned to installation or maintenance are NOT allowed to stand or pass through the work area

while the unit is assembled.

Before carrying out any installation, disconnect the equipment from the power supply

and wait at least 120 seconds before carrying out any operation.

It is the responsibility of the user/installer to check the static and dynamic stability relative to the

installation and to arrange environments so that people who are not competent or authorised

DO NOT have access to the unit or to its controls.

Technical data

Modular T PRO

Size Material name Load

Weight

Supply

voltage

03 ATD03HEFAU 12 518 416 71 250 8,6 3-phase; 400V

ATD03HESAU 4.5 389 290 71 250 5.8 3-phase; 400V

04 ATD04HEFAU 15 651 548 71 315 15.4 3-phase; 400V

ATD04HESAU 6 393 291 71 315 8.7 3-phase; 400V

05 ATD05HEFAU 18 651 548 72 355 17.4 3-phase; 400V

ATD05HESAU 6 389 287 72 355 9.4 3-phase; 400V

06 ATD06HEFAU 21 774 672 71 400 22.3 3-phase; 400V

ATD06HESAU 7.2 389 286 71 400 10.5 3-phase; 400V

07 ATD07HEFAU 24 902 800 71 500 29.4 3-phase; 400V

ATD07HESAU 8.4 518 416 71 500 15.1 3-phase; 400V

Modular T SMART

Size Material name Load

Weight

Supply

voltage

03 ATD03HEFBU 12 518 416 71 250 8,4 3-phase; 400V

04 ATD04HEFBU 15 651 548 71 315 15.2 3-phase; 400V

05 ATD05HEFBU 18 651 548 72 355 17.2 3-phase; 400V

06 ATD06HEFBU 21 774 672 71 400 22 3-phase; 400V

07 ATD07HEFBU 24 902 800 71 500 29.2 3-phase ; 400V

389 291 71 315 7,2

1-phase ; 230V

~50 ~50

2xD

3xD

D D

3xD

1Correct distance

MODULAR T

PRO

MODULAR T

SMART

PRE

HEATING

PRE

HEATING

POST

HEATING

Electric coil

Suggested

distance

beetween

probe and coil

Suggested

distance

beetween

probe and coil

Suggested

distance

beetween

probe and coil

Suggested

distance

beetween coil

and unit

Suggested

distance

beetween coil

and unit

Probe Probe

Probe

D* = diameter of ducts

(e.g. if D= 250 mm 1xD= 250 mm, 2xD= 500 mm....)

supporting brackets

(not supplied)

PRE

HEATING PRE

HEATING

POST

HEATING

POST

HEATING

supporting brackets

(not supplied)

air ducts

(not supplied)

Right Handling

VERSION MACHINES

ATB**R**

MODULAR T

PRO

Left handling

VERSION MACHINES

ATB**L**

2Machine duct, example

Installation

DUCT

AExhaust air

BFresh air

CReturn air

DSupply air

PRE

HEATING PRE

HEATING

supporting brackets

(not supplied)

air ducts

(not supplied)

Right Handling

VERSION MACHINES

ATB**R**

MODULAR T

SMART

Left handling

VERSION MACHINES

ATB**L**

4Machine duct, example

DUCT

AExhaust air

BFresh air

CReturn air

DSupply air

Electric post/pre heating coil with

gaskets already inserted

coupling not provided

(provide for sealing gaskets)

see g. 1 for the correct lenght and diameter

unit spigot with gasket already inserted

5Example of installation of the electric post/pre heating both horizontally and vertically

6Installation of electric pre/post heating

Electric post/pre heating

coil

can be positioned

both horizontally and vertically.

The ducts and the electric coils must be

permanently xed to a xed structure (for

example a wall or a ceiling) using brackets (not

supplied).

Electric post/pre heating

coil should be

installed in such a way that it is accessible for

maintenance or any other operation.

The electric post/pre heating coil should

not be facing down.

Provide thermal insulation (not

supplied) around the electric coils

because they reach high temperatures

(<60 °C).

NL1 L2 L3

Power supply

7Power supply of electric pre/post heating

Electrical connections

ø10mm

ø5mm

Not

provided

3xD

Connection of PRE-HEATING probe

8Installation of probe (PRE-HEATING)

Connect the

probe according

to the supplied

wiring diagram

Modular T Smart version only

Electric pre/post

heating coil

Suggested

distance

beetween probe

and coil

Pre-heating probe

SET POINT

TEMPERATURE

°C

Reset button

the electric coils have 3 safety thermostats

that intervene in case of high temperature;

the thermostats (B) are set at 50 °C and are

self-resetting, while the thermostat (A) is

set at 100 °C and must be manually reset by

pushing the reset button

The electric coil has an alarm contact that

may be used to trigger a warning system

(not provided).

Potentiometer

set the target temperature

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