Possible Combinations; Refrigerant Piping - CLIVET BOX 2 950x950 Handbuch Für Installation, Bedienung Und Wartung

2.4.5 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
l
WARNING
Make sure that the length of the refrigerant
pipe, the number of bends and the level
difference between the indoor unit and the
outdoor unit meet the requirements given in
the table.
16
UNITÀ INTERNA 1
Indoor unit 1
IA3-XY 70M
IA3-XY 88M
ID3-XY 70M
ID3-XY 105M
IF3-XY 70M
IF3-XY 105M
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
UNITÀ INTERNA 2
Indoor unit 2
IA3-XY 70M
IA3-XY 88M
ID3-XY 70M
ID3-XY 105M
IF3-XY 70M
Outdoor unit
IF3-XY 105M
L1
L
L2
Length allowed
Installation
UNITÀ ESTERNA
Outdoor unit
MC3-Y 140T
MC3-Y 160T
MC3-Y 140T
MC3-Y 160T
MC3-Y 140T
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. 16
H1