Справочник Пользователя для Toshiba RAV-SM1603ATZ-E
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6-7. Tolerance of Pipe Length and Pipe Head
n
Twin system
CAUTION
When planning a layout for Units A and B, comply with the following:
1. The lengths after branching (“a” and “b”) should be equal if feasible.
Install Units A and B so that the difference of the branching lengths becomes less than 10m if the lengths
cannot be equal due to the branch pipe position.
cannot be equal due to the branch pipe position.
2. Install Units A and B on the same level.
If Units A and B cannot be installed on the same level, the difference in level should be limited to 0.5m or less.
3. Be certain to install Units A and B in the same room.
Units A and B cannot be operated independently each other.
Total length (L + a or L + b)
Pipe length
Branch pipe length (a, b)
(one way)
Maximum difference between indoor units
Refrigerant pipe
(b – a, or a - b)
specification
Height
Between indoor units (
∆
h)
Between indoor unit
When outdoor unit heigher (H)
difference
and outdoor unit
When outdoor unit lower
(H)
Number of bent portions
50 m
15 m
10 m
0.5 m
30 m
30 m
10 m or less
Indoor unit B
Indoor unit A
Distributor
b
Branch pipe
a
Branch pipe
H
L
Main pipe
∆
h
Outdoor unit