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Limits To The Length And Height Difference Of Refrigerant Pipes - Ferroli OMNIA S 3.2 Installations- Und Bedienungsanleitung

Wandgehängte innengeräte für umkehrbare split-wärmepumpen mit dc-inverter-verdichter
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7.4 Limits to the length and height difference of refrigerant pipes

The length of the refrigerant pipes between the indoor and outdoor units must be as short as possible and is in any case limited by compliance with the maximum
height difference values between the units.
Diminution of the difference in height between the units (H1,H2) and of the pipe lengths (L) will limit the load losses, consequently increasing the overall efficiency of
the machine.
Comply with the limits given in the following tables.
fig. 8 - Outdoor unit under indoor unit
Outdoor unit
Liquid refrigerant connection
Refrigerant gas connection
Standard refrigerant load (R32)
Indoor unit
Liquid refrigerant connection
Refrigerant gas connection
For matching with outdoor units mod. 4-6 a reduction fitting from 3/8" SAE to 1/4" SAE is provided for liquid line Ø 6.35.
(1)
Refrigeration connections
Liquid refrigerant pipe (external diameter)
Gas refrigerant pipe (external diameter)
Maximum length of pipe with standard refriger-
ant load
Refrigerant load for each metre in length over
15 m
Maximum length between the indoor and
outdoor unit
Maximum height difference (H1)
Maximum height difference (H2)
Contact our technical department for the required modifications if the units must operate beyond the specifications given above.
92
EN
45
°C
25
°C
H1
4
6
8
1/4"
1/4"
3/8"
5/8"
5/8"
5/8"
1.5
1.5
1.65
10
3/8"
3/8"
3/8"
(1)
(1)
5/8"
5/8"
5/8"
4
6
8
6.35
6.35
9.52
15.88
15.88
15.88
15.88
15
15
15
20
20
38
30
30
30
20
20
20
20
20
20
Cod. 3541V941 - Rev. 04 - 05/2022
fig. 9 - Outdoor unit on indoor unit
10
12
14
3/8"
3/8"
3/8"
3/8"
5/8"
5/8"
5/8"
5/8"
1.65
1.84
1.84
1.84
16
3/8"
3/8"
3/8"
3/8"
5/8"
5/8"
5/8"
5/8"
10
12
14
9.52
9.52
9.52
9.52
15.88
15.88
15.88
15
15
15
38
38
38
30
30
30
20
20
20
20
20
20
OMNIA S 3.2
H2
16
12T
14T
16T
3/8"
3/8"
3/8"
5/8"
5/8"
5/8"
1.84
1.84
1.84
16T
3/8"
3/8"
3/8"
5/8"
5/8"
5/8"
16
12T
14T
16T
9.52
9.52
9.52
15.88
15.88
15.88
15
15
15
15
38
38
38
38
30
30
30
30
20
20
20
20
20
20
20
20
45
°C
25
°C
UM
SAE
SAE
kg
UM
SAE
SAE
UM
mm
mm
m
g/m
m
m
m

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