Points To Bear In Mind At The System Design; Points Relating To The Performance Of The Air Conditioning Units - Daikin VRV Plus Series General Information Manual

Si33-003.book Page 6 Monday, June 25, 2001 9:06 AM

Points to Bear in Mind at the System Design

2. Points to Bear in Mind at the System Design
2.1

Points Relating to the Performance of the Air Conditioning Units

A number of points need to be borne in mind at the system design stage in order to ensure the mechanical
efficiency of the air conditioning units.
1. Path of refrigerant piping between outdoor and indoor units, height difference and pipe length.
2. Positioning of outdoor unit
3. Positioning of indoor unit
6
Path of refrigerant piping should be determined such that lenght of piping is kept to a minimum.
Piping should be kept within permissible limits in terms of length and height difference.
Position such that maintenance and repairs can be carried out. (leave room for servicing)
Avoid reduction of airflow and short circuiting
Avoid reduction of airflow and short circuiting
Position such that maintenance and repairs can be carried out. (inspection port positions and size
check)
Avoid short circuiting
Ensure sufficient drain pipe gradient (need for drain-up kit etc.)
In the case of a ceiling mounted type make sure ceiling depth is sufficient (need for high performance
filter, etc.)
: http://splitoff.ru/tehn-doc.html
SiE33-003
General Information