Fujitsu WGYA050DG6 Design & Technical Manual page 67

High efficiency
z „
Energy efficiency is improved by the Linear Control Injection Technology and the optimization
of refrigerant cycle control. High power model realizes high performance and high efficiency by
adopting twin sensors and control technology corresponding to hot water heating.
High COP
4.30
4.22
11 kW 14 kW
A7W35 condition
Optimization of refrigerant cycle operation
Outdoor unit Hydraulic indoor unit
Temperature
sensor
Refrigerant
Pressure sensor
z „
Wide operation range
Improvement operation range depending
on the optimization of refrigerant cycle
control
z „
Others
•
2 stage Low noise mode*
•
Peak cut function*
4.10
16 kW
Emitter system
Hot water
Co-axial Heat Exchanger
- (OU01 - 02) -
Proportion of primary energy into heating
energy of 100%
Primary Energy Consumption*
Direct electrical heating
Oil heating 117%
109%
Gas condensing boiler
79%
*Electricity loss is different due to power plant. Efficiency of power plant : 36%
Accurate temperature control by DC inverter
technology
High
Constant
35°C
0°C
-25°C
Outdoor temperature
*Optional parts are required.
Energy
278%
heating
100%
V-PAM inverter
technology
Time
Outdoor unit / 3 phase