Installation
Climate 5000L • Climate 5000i U/L – 6721841492 (2022/03)
50
2.3 Twin combination
The appliances can be installed as so-called twin combination. In doing
so, an outdoor unit is combined with two indoor units of the same type.
The indoor units must be installed at the same height.
▶ Observe the possible combinations in table 2.
▶ Observe the dimensions in Fig. 30.
▶ Arrange the branch joints horizontally.
Table 2 Possible twin combinations
2.4 Product dimensions and minimum clearances
2.4.1 Indoor unit and outdoor unit
Indoor unit CL5000iU 4CC ...
Figs. 4 and 6.
[1] Refrigerant lines
[2] Condensate pipe
Indoor unit CL5000iL 4C ...
Figs 5 and 6.
[1] Refrigerant lines
[2] Condensate pipe
[3] Connection for outside air duct (round)
[4] Connection for air conduit (rectangular; exemplary position)
Outdoor Unit
Figs. 7 to 8.
2.4.2 Refrigerant lines
Key to figure 9:
[1] Pipe on gas side
[2] Pipe on liquid side
[3] Siphon-shaped elbow as oil separator
If the indoor units are positioned lower than the outdoor unit, install a
siphon-shaped elbow on the gas side after no more than 6 m and every
6 m thereafter ( figure 9, [1]).
▶ Observe maximum pipe length and maximum difference in height
between indoor unit and outdoor unit.
Table 3 Piping lengths
▶ Observe pipe diameter and further specifications.
Table 4 Alternative pipe diameter
Table 5
2.5 Information on refrigerant
This device contains fluorinated greenhouse gases as refrigerant. The
device is hermetically sealed. You will find the information on the
refrigerant according to the Regulation (EU) No 517/2014 on
fluorinated greenhouse gases in the operating instructions of the device.
Information for the installer: If you refill refrigerant, enter the additional
charge size and the total charge size of the refrigerant in the table
“information on refrigerant” of the operating instructions.
3 Installation
3.1 Before installation
CAUTION
Risk of injury from sharp edges!
▶ Wear protective gloves during installation.
CAUTION
Danger of burns!
During operation the pipes become hot.
▶ Make sure, that the pipes cooled down before touching them.
▶ Check the scope of delivery for damage.
▶ Check whether a hissing sound due to negative pressure can be
detected when opening the pipes of the indoor unit.
Outdoor unit Indoor Unit
CL5000L 140 E-3 2 × CL5000iU 4C 70 E
CL5000L 160 E-3 2 × CL5000iL 4C 88 E
Appliance type Maximum pipe
length [m]
Maximum height
difference [m]
CL5000L 35 E ≤ 25 ≤ 10
CL5000L 53 E ≤ 30 ≤ 20
CL5000L 70 E ≤ 50 ≤ 25
CL5000L 88 E
CL5000L 105 E ≤ 75 ≤ 30
CL5000L 105 E-3
CL5000L 125 E
CL5000L 140 E-3
CL5000L 160 E-3
Pipe diameter [mm] Alternative pipe diameter [mm]
6.35 (1/4") 6
9.53 (3/8") 10
12.7 (1/2") 12
15.9 (5/8") 16
Specification of the pipes
Min. piping length 3 m
Additional refrigerant to be added if the pipe
length exceeds 5 m (liquid side)
With Ø 6.35 mm (1/4"):
12 g/m
With Ø 9.53 mm (3/8"):
24 g/m
Pipe thickness with pipe diameter from
Ø 6.35 mm to 12.7 mm
≥ 0.8 mm
Pipe thickness with 15.9 mm pipe diameter ≥ 1.0 mm
Thickness of insulation against heat ≥ 6 mm
Material of insulation against heat Polyethylene foam
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