Emerson Liebert InteleCool 2 Manual de usuario descargar pdf (Pagina 8)

Stan dard fea tures - all sys tems (con tin ued)

Filters

The direct expansion filter is EU3 (G3) and is located within

the cabinet before the evaporating coil. The filter provides

filtration of both the recirculated and the fresh air to obtain the

required degree of air cleanliness in the room. The filters can

be removed from the front of the unit (outdoor) by opening the

front panel.

The filters are 48mm deep on models LEX04/05/06E and

60mm deep on models LEX08/10/14E. The filters are pleated

air filters, specially designed to minimise the air pressure drop

and improve efficiency.

Electric panel

The electrical panel is housed in a secure compartment

isolated from the air stream, and is in compliance with EN

60204-1. The panel contains the controller PCB, MCBs for

individual components and contactors.

A mains MCB is supplied as standard. A single phase

transformer powers the 24 V rail to the controller. Automatic

restart is provided as standard.

Controls

The Mi cro face en vi ron mental con trol sys tem is

mi cro proc es sor based and can be pro grammed to match the

unique needs of any ap pli ca tion. The proc es sor in te grates the

sepa rate me chani cal and elec tri cal com po nents into a

‘state -of -the -art’ con di tioned space sup port sys tem that

con trols and moni tors tem pera ture, air flow and air

clean li ness.

The con trol sys tem of fers a tai lored and well proven ad vance

in re li abil ity and con trol flexi bil ity al low ing the unit to

mod ify its per form ance in re sponse to chang ing criti cal space

con di tions.

The con trol ler al lows lo cal moni tor ing and pro gram ming of

the fol low ing room con di tions:

Tem pera ture (

Tem pera ture set point (5.0

C – 40.0

C in steps of 0.1

Tem pera ture sen si tiv ity (1.0

C - 10

C in steps of 0.1

The parameters are enunciated using symbols and text on an

LCD display. Nor mal op er at ing modes are in di cated by

sym bols on the dis play. Alarm con di tions ac ti vate a vis ual

in di ca tor.

The fol low ing alarms are stan dard:

• High temperature

• Low temperature

• Fan failure

• High pressure alarm

• Low pressure alarm

• Electrical reheat high temperature

• Memory failure

• Common alarm

For a full list of all the op tions and alarms avail able with the

Mi cro face con trol ler, re fer to the Mi cro face Con trol ler

Op era tion Man ual (P/N SLE MF OM).

The con trol ler also in cor po rates a se quen tial auto- restart

timer, al low ing field ad just able time de lays to be ap plied to

unit re start af ter a power loss (or other shut down). The tim ers

al low mul ti ple units to be re started while lim it ing

in stan ta ne ous in rush cur rent.

A volt-free warning contact is available for remote indication

of High Temperature, Low Temperature and Reheat

Overtemperature.

A further contact is available for remote indication of High

Pressure, Low Pressure, Fan Failure and Controls Failure.

Fresh air free cooling

Fresh air free cooling consists of a hinged damper plate and

motorised actuator. When ambient temperatures permit,

compressorised cooling will be deactivated and cool outside

ambient air is diverted directly to the conditioned space to

provide “free” cooling.

Refrigerant

R22 HCFC is the standard refrigerant used in the InteleCool

EX range. An optional “Zero ODP” refrigerant, R407C is

available to special order.

Packaging

As standard, the units are wrapped in bubble-wrap to protect

painted surfaces, enclosed in a cardboard box and mounted on

a wooden pallet.

4 SLE ICX TDM E.2 (06/99)

InteleCool EX - Technical Data Manual

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