UK VRF GEN 24 - Flipbook - Page 69
VRF SYSTEMS
VRF SYSTEMS INDEX
GHP Gas
EHP Electric
U-20GES3E5 (20 HP)
Master unit GHP
U-10MES2E8 (10 HP)
Intelligent controller CZ-256ESMC3
Schematic of GHP/EHP Hybrid System.
· Load calculation of GHP and EHP
· Operation in accordance with the upper limit
setting
· Individual capacity control
· Device control
· Special control (Defrost, Oil recovery, 4 Wayvalve matching / Abnormality processing)
Control wiring
Gas pulse
Electric power pulse
Refrigerant piping
Slave
Unit
EHP
1
Intelligent controller
· Demand monitoring
· Indoor / total load
calculation
· Operation Ratio Indication
upper limit setting of MAP
according to:
- Energy unit RRP
- Electric power demand
- Air conditioning load
Peak cut of electricity
consumption
Electrical peak demand is
significantly reduced thanks to
GHP system consuming less
than 10% of electricity of EHP
system.
World first!*
GHP and EHP Multi System
Unified refrigerant
cycle in GHP and EHP
* Introduced as a world first technology by Panasonic in April 2016.
Electric power usage.
Hybrid system
significant reduction
Electric power
demand
100
10
EHP
GHP
EHP
Hybrid
Cooling / heating
electric power
Lighting, elevator, etc.
* Image of Hotel project.
0
6
12
18
24
Time
Low
efficiency
regions
Air conditioning load ratio
3
Free hot water production by
GHP system
Hot water is effectively
produced from waste heat of
engine.
Gas engine only
Low
efficiency
regions
Air conditioning load ratio
Hybrid operation
Equipment efficiency
Electric motor only
Equipment efficiency
* Specification is tentative.
Optional control method.
Equipment efficiency
2
Optimal control to maximize
energy saving
Switching the operation
between GHP and EHP system
on the basis of usage, energy
demand, part load.
Low
efficiency
regions
Air conditioning load ratio
Free hot water from waste heat of engine
Air to air
indoor units
Water pipe
* Specification is tentative.
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