3.6
Wide operation temperature range
No matter in extremely cold winter when outdoor
temperature gets as low as -15°C or in hot summer
when
temperature is up to 48°C, the small outdoor
unit will keep stable performance.
3.7
Flexible piping design
3.8
Flexible indoor unit’s connection
Small outdoor unit with intelligent control gives you independent zoning control with maximum flexibility.
A
single outdoor unit supports up to
nine
indoor units, freeing up considerable space outside. Use your
backyard more wisely with much more space available created by less number of outdoor units.
Max. 9
indoor units for a 18kW outdoor unit installation
3.9
Simple signal line connection
Installation is much easier as the communication wiring between indoor & outdoor units can be shared.
It’s easy for the user to retrofit the existing system with a centralized control by simply connecting to
outdoor units.
3.10 Auto address setting function
The addresses of indoor units can be set automatically by outdoor unit.
Wired controller and wireless controller can enquire and modify the address of each indoor unit.
Longest
piping length
Level
difference
between
IDU~ODU
The IDU to the
nearest branch
pipe
The first branch
joint to the farthest
indoor unit
Level differece
between IDU~IDU
PQE & XYE, just only one group of communication wire of PQE,
achieved both of communication for indoor & outdoor unit and
network.
Reversible communication, central controller can be connected
from indoor side or outdoor side as you wish.
P Q E
P Q E P Q E P Q E P Q E
X Y E X Y E
Piping Length Permitted Value
Total piping length (Actual) 100m
Longest piping
length
Actual 60m
Equivalent 70m
The first branch joint to the
farthest IDU
20m
The IDU to the nearest branch pipe 15m
Level difference
between ODU~IDU
ODU up 30m
ODU down 20m
Level difference between IDU~IDU 8m
0 10 20 30 40 50-10-20
COOLING MODE
HEATING MODE
Outdoor temp. °C(D.B.)
48°C
27°C
-15°C
-15°C
24
°C
Features
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