Mitsubishi Electric PAR-30MAA Installation Manual download pdf (Page 12)

T9901085-1-3 UK Page 12 of 38

Mitsubishi Electric Outdoor Unit

The Mitsubishi Electric Mr Slim Outdoor Unit is selected to match its refrigerant heat

output to the size of the Air Curtain. See table below for size of outdoor unit to be used

together with performance data for the air curtain.

Air Curtain

Mr Slim

Outdoor Unit

Air Curtain Parameters

Maximum

Heating

Output

(kW)

Maximum

Cooling

Output

(kW)

Maximum

Air Volume

Flow Rate

/h)

Maximum

Noise

Level

dB(A) @3m

Effective

Width of

Airstream

(m)

HP1000 DXE PUHZ-RP71 8.3 7.4 1310 58 1.10

HP1500 DXE PUHZ-RP125 13.8 12.3 2070 58 1.63

HP2000 DXE PUHZ-RP140 15.9 14.2 2590 58 2.15

HP2000 DXE PUHZ-RP200* 21.0 18.7 2590 58 2.15

Outputs based on:- Indoor air temperature = 20ºC. Outdoor condition = 7/6 db/wb ºC for heating output,

35/27 db/wb ºC for cooling output.

Performance figures derived from independent testing by UK test houses BRE and BSRIA in accordance with

test standard EN14511. Noise testing carried out at Sound Research Laboratories to ISO3741 and BS4856-4.

See Table on Page 23 for more details of air volume flow rates and noise levels.

* Alternative larger outdoor unit will give enhanced heat output for difficult doorway situations - not

recommended, however, for weather compensation control or discharge air temperature control.

Refrigerant Pipework

This must be carried out before connection of any electrical and controls cables

and in accordance with the Instructions that come with the Mitsubishi Electric

Outdoor Unit. This work must only be undertaken by a Mitsubishi Electric

approved Contractor.

Contact Mitsubishi Electric for recommended pipework sizes, pipework lengths,

numbers of fittings, etc.

The installation must be carried out in accordance with the Mitsubishi Electric

Installation Manual that comes with the outdoor unit.

It is intended that refrigerant pipe connections to the air curtain are made using brazed

joints and these must be carried out in a professional and safe manner. If installation

pipe sizes for the discharge (gas) line and liquid line are different from the pipe

connection sizes on the air curtain (see Figure 2, Page 11) suitable pipe reducers must

be used for the connection. R410A refrigerant systems can operate at pressures up to

610 psi (c. 42 Bar). These brazed joints may well be located in a public area and a

weakness leading to an explosion could be extremely dangerous.

The air curtain with its coil is manufactured in accordance with the Pressure Equipment

Directive (PED) and the installation must be carried out to a good standard of

workmanship. Remove the protective plastic film on top of the air curtain before starting

work and protect the top surface of the air curtain. Use a heat sink on the copper pipes

during brazing to reduce the transfer of heat to the inside of the air curtain where

sensitive components are located.

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