Design Technical Manual

Table Of Contents
PATTERN C (Reference)
NOTE: When total of indoor units are 321 units or more.
z
Step 1
Count number of indoor unit on each refrigerant system.
z
Step 2
Install Signal amplier on refrigerant system.
Note: Additional signal amplier might not be required, provided that there are 64 or fewer
indoor units.
z
Step 3
Each Signal amplier should set lter mode ON.
z
Step 4
Connect transmission wire between each Signal ampliers that set lter mode ON.
Example
RB unit
RB unit
Refrigerant system 1
(Heat Recovery type)
Transmission
line
Refrigerant system 2
(Heat Recovery type)
Segment 1
Segment 4
Segment 3
Segment 2
Segment n
Transmission
line
Refrigerant system n-1
(Heat Pump type)
Transmission
line
Signal amplifier
(Filter mode: ON)
Signal amplifier
(Filter mode: OFF)
Signal amplifier
(Filter mode: ON)
Signal amplifier
(Filter mode: ON)
Refrigerant system n
(Heat Pump type)
Transmission
line
Step 1
Number of Indoor unit = 45
Step 1
Number of Indoor unit = 40
Step 1
Number of Indoor unit = 20
Step 1
Number of Indoor unit = 10
Step 2
Step 3
Step 2
Step 3
Step 2
(*2-1)
Step 3
Step 4
12
12
344445
3940
1920
910
VRF Network
Segment
F
A
F
F
Step 5
- (06 - 121) -
SYSTEM
DESIGN
SYSTEM
DESIGN