INSTALLATION

All series of air conditioners are designed for outdoor installations and are to be placed on a slab or rooftop, however if the air conditioner is to be installed in a plant room application, please contact your equipment supplier prior to installation.

Access for both service and installation must be provided to the compressors, control wiring and fans as shown below.

1.Clearances

(1)Care must be taken to prevent recirculation of the condenser air. To stabilize compressor condensing pressures it is recommended that wherever possible the condenser air inlet side be faced away from prevailing winds.

(2)For rooftop installation, the type of mounting base depends on the roof construction. A built- up roof may not support the weight of the unit and so it may be necessary to support the unit by adding structural members below it.

(3)The units are equipped with hoisting plates for rigging and hoisting of the unit. The hoisting plates are located in the base of the unit.

When hoisting the unit with a crane, spreader bars must be used to prevent damage to side panels by the supporting cables.

PR-510YC

PRH-5~10YA

PRH-5~10YA-L

300mm(min. clearance)

 

Condenser inlet

 

Condenser inlet 300mm(min. clearance)

 

700mm(min. clearance)

 

Electrical

1,000mm(min. clearance)

control circuit

and compressor

Evaporator coil service

service

 

1,500mm(min. clearance)

Condenser outlet

PR-15,20YC

PRH-15,20YA

PRH-15,20YA-L

 

300mm(min. clearance)

 

 

1,000mm(min. clearance)

 

Condenser outlet

 

 

 

Evaporator coil service

Condenser inlet

 

 

 

 

 

300mm(min.

clearance)

clearance)

 

controlcircuit

compressorand service

1,000mm(min. clearance)

300mm(min. clearance)Electrical

Condenserinlet

300mm(min.

clearance)

700mm(min.

 

Condenser inlet

 

 

 

 

Evaporator coil service

 

 

 

 

 

 

1,500mm(min. clearance)

 

 

 

 

Condenser outlet

 

 

 

 

2.Roof Mounting

(1)The figure shows the use of the roof curb available for mounting these units.

(2)The curb should be sealed and fixed to the roof by weather stripping. A suggested means of sealing the unit and roof curb is shown below.

Roof curb

4-ø15roof mounting holes

6-ø15

Unit mounting holes

Unit

Seal with tar

Roof deck

Roof curb

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Mitsubishi Electronics 10, 20-L, 20 PRH-5, 8, 15 manual Installation, Clearances, Roof Mounting

20-L, 8, PRH-5, 15, 10 specifications

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