Carrier operating and maintanance Provozní pokyny stáhnout pdf (Strana 26)

!WARNING!

Before opening doors, switch off and

deenergise the fan, and ensure that it has

stopped rotating (minimum of 2 minutes)

-Check the splitters for damage.

10.18. Sound Attenuator

10.19. Lighting

-Check the connection voltage.

-Check the operation of the switch. The switch must

beconnected in accordance with local regulations.

10.16. Water Humidifiers

10.16.1. Spray Humidifiers

Refer to the instructions supplied by the supplier.

-Carefully read the instructions from the supplier. The

following points need extra attention.

-Check if connection voltage agrees with the unit

voltage.

-Connect the unit according to the diagram supplied.

-Check that the drain is correctly connected.

-Check the connections of the high-pressure pipes.

After starting the unit ensure that the pipes do not rub

against anything.

-Check if the spray jets work correctly.

-Check the operation of the pressostats and the

pressure.

-Check the water quality.

10.16.2. Infrasonic Humidifier

10.17. Fan

- Connect the humidifier in accordance with the

instructions of the supplier.

- The following warning pictogram is attached to the panel:

hot surface.

4.10 - WATER HUMIDIFIERS

4.10.1 - Spray humidifier

Refer to the instructions supplied by the supplier.

4.10.2 - Infrasonic humidifier

- Carefully read the instructions from the supplier. The

following points need extra attention.

- Check if connection voltage agrees with the unit voltage.

- Connect the unit according to the diagram supplied.

- Check that the drain is correctly connected.

- Check the connections of the high-pressure pipes. After

starting the unit ensure that the pipes do not rub against

anything.

- Check if the spray jets work correctly.

- Check the operation of the pressostats and the pressure.

- Check the water quality.

4.11 - Fan

- Remove the transport brackets. This is indicated by a label

on the door.

- Check if the fan can move freely without obstructing the

frame, flexible connection or wiring.

- Check the connection voltage.

- Check and/or connect the motor in accordance with local

instructions and the data of the supplier.

- Check the direction of rotation of the impeller. The

direction is indicated on the casing by an arrow.

- Separately measure the current draw of the electric motor

for all phases. The current draw of all phases must be

approximately the same and agree with the data on the

name plate. Set the motor protection device to the

nominal value.

- The data for the belt type, belt tension, number of belts,

size and type of pulley is indicated on a label attached to

the fan housing.

- Check if the flexible connection is correctly installed.

- If used check the pressure switch and set the correct

pressure.

- Check the operation of the main switch. Caution: While

working on the fan the switch has to be locked open.

- The warning pictograms on rotating parts, electrical

voltage and opening doors are attached to the door. The

label to remove the transport brackets is located on the

floor of the fan section.

4.12 - Sound attenuator

- Check the splitters for damage.

4.13 - Lighting

- Check the connection voltage.

- Check the operation of the switch. The switch must be

connected in accordance with local regulations.

! Warning !

Before opening doors, switch off and deenergise the

fan, and ensure that it has stopped rotating.

(minimum of 2 minutes)

Caution: The air flow may cause stationary parts to move

(even a fan that is switched off)!

-Remove the transport brackets. This is indicated by

a label on the door.

- If fan-motor assembly is constructed with Al profiles;

remove the square nuts in Al profile channels, after

dismantling Z brackets.

-Check if the fan can move freely without obstructing

the frame, flexible connection or wiring.

-Check the direction of the connection according tho

the pulley position. If required turn the connection

before connecting the wiring.

-Check the connection voltage.

-Check and/or connect the motor in accordance with

local instructions and the data of the supplier.

-Check the direction of rotation of the impeller. The

direction is indicated on the casing by an arrow.

-Separately measure the current draw of the electric

motor for all phases. The current draw of all phases

Remove

before

transport

-The data for the belt type, belt tension, number of

belts, size and type of pulley is indicated on a label

attached to the fan housing.

-Check if the flexible connection is correctly installed.

-If used check the pressure switch and set the cor-

rect pressure.

-Check the operation of the main switch.

Caution: While working on the fan the switch has to

be locked open.

-The warning pictograms on rotating parts, electrical-

voltage and opening doors are attached to the door.

The label to remove the transport brackets is located

on the floor of the fan section.

1 - SAFETY CONSIDERATIONS

1.1 - General

The 39HQ air handling units (AHUs) has been designed

and manufactured in accordance with the CE machine

directive EN292. In order to guarantee safe operation and

use of the unit, please carefully read and observe the

instructions in this document and pay special attention to

the warnings that apply to this unit. Any modifications in

the design and/or installation of the AHU that are carried

out without discussion with Alarko Carrier and

without advance written agreement will result in the loss of

the right to any warranty claims and any claim for injury to

personnel as a result of these modifications.

Maintenance procedures may only be carried out by

qualified personnel.

Heating and cooling elements are manufactured and

supplied in accordance with guidelines of the Pressure

Equipment Directive (PED).

1.2 - Applications

The AHU is designed for the movement and conditioning

of air, unless otherwise agreed during the design stage.

1.3 - Instruction types

The following warning pictograms and labels with text are

used.

Lifting point

This pictogram shows where the AHU must be lifted and is

positioned on the support beam.

Lifting prohibited

This pictogram shows that no horizontal transport devices

must be placed under this frame section, such as pallet

lifters or the forks of fork lift trucks. It is also forbidden to

place lifting devices for transport and storage under this

frame element.

Earthing

This pictogram indicates where the AHU must be earthed

and is on one of the support beams beneath the casing in

the fan section.

- The electrical components in the AHU must be earthed,

except for components with double insulation and/or

components with a supply voltage below 50 V.

- The electrical components must be installed in accordance

with national and local regulations.

Rotating parts

This pictogram indicates that there are rotating parts behind

this access cover, door or panel which may cause injury. The

components that include rotating parts are the fan and heat

recovery wheel. If there are special customer-specific

components behind doors, access covers or panels that

include rotating parts and pose a potential risk, this is also

indicated by this pictogram.

Hot surfaces

This pictogram indicates that there are components behind

this access cover, door or panel that can cause serious burns

when touched.

The components that may have hot surfaces are the steam

humidifier, steam heater and the electric heater. If there are

special special customer-specific components behind doors,

access covers or panels that have hot surfaces and pose a

potential risk, this is also indicated by this pictogram.

Electrical voltage

This pictogram indicates that there are electrical components

behind this access cover, door or panel that may be dangerous

for the user/installer. Only personnel qualified in accordance

with NEN 3140 is permitted to carry out work on these

components. The pictogram is attached to the access cover

for the electric heater control box.

Removal of transport brackets

This pictogram is located at the bottom of the fan section. It

indicates that the transport brackets must be removed during

commissioning before the fan is started up.

Verwijder transportbeugels voor opstarten ventilator.

Remove transport brackets before starting up the fan.

Retirer les fixations de transport avant démarrage.

Central data

This label contains the data for the AHU, such as order

number, position number etc. If present, the label is normally

located on the access cover or the door of the fan assembly.

Opening the fan door

This pictogram is positioned on the outside of the door or

access cover of the fan assembly. This pictogram warns that

the fan must have been switched off and deenergised for a

minimum of two minutes before the door or access cover is

opened.

Lifting and transport

An instruction is attached to the AHU that describes the

procedures that must be followed for lifting and transport.

The following chapter contains further details.

1.4 - Disposal of parts/materials

- The packaging material must be disposed of in a responsible

manner and in accordance with local regulations.

- Components that are replaced, must be disposed of as

described above.

2 - TRANSPORT AND LIFTING INSTRUCTIONS

2.1 - General

Transport and lifting of the AHU must always be in

accordance with the instructions below. If these instructions

are not observed, irreparable damage may occur to the unit,

and people in the immediate vicinity of the unit are also

endangered. Alarko Carrier does not accept any

responsibility if these instructions are not observed. Transport

and lifting must be carried out by qualified personnel. The

AHU must only be lifted with lifting bars supplied by

Alarko Carrier. Lifting must be carried out in

accordance with local regulations and with the help of

certified lifting aids.

2.2 - Transport and storage

Lifting of the AHU is only permitted under the designated

lifting points. Lifting under the cross beams is prohibited.

This applies to transport as well as storage, and is indicated

on the cross beam with the following label.

! WARNING!

Before opening doors, switch off and deenergise the

fan, and ensure that it has stopped rotating.

(minimum of 2 minutes)

Caution: All doors and access covers must be closed before

starting up the AHU.

Figure 58.

must be approximately the same and agree with the

data on the name plate. Set the motor protection

device to the nominal value.

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