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4 Capacity and selection
data
TCGB0070 rev.3 - 04/2012
68
4.1 System selection procedure
The following procedure gives an example of selection of YUTAKI S system based on a series of previously defined instal
-
lation requirements: heating/cooling load required, operating temperatures and special characteristics on the installation
(energy system used, power source, etc.).
4.1.1 Selection parameters
To calculate the YUTAKI S units, it will be necessary to consult and/or use a series of parameters shown in tables and
graphics presented in the different chapters of this catalogue. A summarized list is shown below:
Available models
General information of the units
Operation space possibilities
Working range
Different possible energy systems
Maximum cooling and heating capacities
COP and EER
Different correction factors
Sound data for the different units
4.1.2 Selection procedure
The system selection procedure is as follows:
Firstly, the system combination (outdoor unit + indoor unit) is pre-selected according to the design conditions. Then, the
theoretical capacity values taken from the different tables are corrected by means of the correction factors, resulting in the
actual capacity which will provide the selected system.
The system selection procedure will be divided in two parts: heating and cooling.
Heating mode
YUTAKI S system is a perfect solution for heating requirements. It allows many configuration possibilities which are ex
-
plained on chapter
Installation configurations
.
Then, the three main types of configuration are described briefly and are taken into account in the selection procedure in
order to provide the best solution for the heating requirements.
Three possible Installation configurations
Before proceeding with the selection calculation, first establish the type of system to be designed: Mono-valent, Mono-
energy, or Alternating Bi-valent (Only boiler or boiler). These main energy systems with their capacity-time charts
are shown below.
N O T E
For more information about the various energy systems, please refer to the chapter
Installation configurations
.
•
Mono-valent system
The YUTAKI S system is sized to provide 100% of the heating requirements on the coldest day the year.