Possible Combinations; Refrigerant Piping - CLIVET DUCT 2 ID3-XY Serie Handbuch Für Installation, Betrieb Und Wartung

Installation
2.4.6 Configuration with TWIN indoor units

POSSIBLE COMBINATIONS

TWIN indoor units are designed to be installed in one room.
The controller is used to control the main unit while the secondary unit follows the on/off, set-point, operating mode and
fan speed settings.
+

REFRIGERANT PIPING

When multiple indoor units are connected to a single outdoor unit, make sure that the length of the refrigerant pipe and
the level difference between the indoor units and the outdoor unit meet the conditions given in the diagram below:
The level
d i ff e r e n c e
between the
indoor units and
the outdoor unit
must not exceed
20 m
Pipe length
Level difference
Indoor unit 1
ID3-XY 35M
ID3-XY 53M
ID3-XY 70M
ID3-XY 88M
H1
Line branching
Total length
Max.length of single lines
Max.difference between the two L1-L2 lines
Max.indoor-outdoor unit level difference
Max.level difference between two indoor units
Indoor unit 2
ID3-XY 35M
ID3-XY 53M
ID3-XY 70M
ID3-XY 88M
Outdoor unit
L1
L
L2
Length allowed
Outdoor unit
MC3-Y 70M
MC3-Y 105M/105T
MC3-Y 1 0T
MC3-Y 160T
The level difference
between two indoor
units must
exceed 50 cm
Indoor unit
H2
Indoor unit
L+Max
65m
(L1, L2)
15m L1, L2
10m L1, L2
20m
0.5m H2
not
Fig. 32
H1
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