Daikin VRV II Series, Design, Installation & Testing Instructions, Page: 2 / 242

Preface
This system is a modular zone controllable air conditioning system of great sophistication which is capable of assembly in a
variety of different configurations. It would, however, be no exaggeration to say that the full potential of the systemÕs functions
can only be achieved in combination with the skills of those involved in the design of the equipment itself and those
responsible for the installation work.
As the move towards intelligent buildings has gathered momentum, so we have also been seeing ever more a growing
demand for a wider range of independently controllable building related functions.
Against this background there have also quite naturally been calls for the development of more distributed types of air
conditioning systems while at the same time taking full account of the need to use energy economically by demand matching
in view of the huge annual increases in the demand for electric power seen in recent years.
We have therefore prepared this installation manual to enable installation work to be handled confidently on the basis of a
clear understanding of the special features of this system. We have paid particular attention to points of difference in
installation procedure between this system and the more traditional package and room air conditioning system.
The manual is designed specifically to cater for those supervising installation work and concentrates on those products which
are currently on the market. Essential points which need to be taken into consideration when designing an appropriate
configuration for the system and in each of the separate installation processes have also been included.
We have also added a section covering problems which have arisen in connection with installation work undertaken to date in
an attempt to prevent the recurrence of the same problems.
Please be sure to read this manual thoroughly before starting installation work in order to ensure that all such work is carried
out with maximum efficiency and to maximum effect.
The following technical documents are also available from Daikin. Please use these documents together with this manual to
conduct efficient servicing.
Service Manual VRVII R410A Heat Pump 50Hz Series Si39-303 April. 2003.
July, 2003
After Sales Service Division