SYSTEMP – Installation Operation Manual (IOM SYSTEMP rev.N)

Table Of Contents
49
9.1.3 COMMON EXAMPLES OF COOLING CIRCUITS
Installation with condenser on plane (Height dierence 0 ÷ 5 m)
A Unit
B Oil traps (Siphons)
C Supply line
D Back-siphon
E Air-cooled condenser (horizon-
tal installation)
F Air-cooled condenser (vertical
installation)
G Check valve
H Liquid line
* Suggested maximum vertical
height dierence
Suggested maximum vertical height dierence
5 m
Supply pipe precautions
Ensure a gradient of 2% along the horizontal sections toward the condenser
Insert oil traps (siphons) at the start of each vertical climbing section
Insert a back-siphon on the supply pipes at the end of the vertical section
Supply pipe insulation
Internal Required
External For aesthetic reasons only, or in the event of risk of contact with people
Liquid pipe precautions Install the check valve as close as possible to the air-cooled condenser
Liquid pipe insulation
Internal Required
External
Only if exposed to the sun, for aesthetic reasons only, or in the event of risk of contact
with people
Installation with condenser up high (Height dierence 5 ÷ 15 m)
A Unit
B Oil traps (Siphons)
C Supply line
D Back-siphon
E Air-cooled condenser (horizon-
tal installation)
F Air-cooled condenser (vertical
installation)
G Check valve
H Liquid line
* Suggested maximum vertical
height dierence
Suggested maximum vertical height dierence
15 m
Supply pipe precautions
Ensure a gradient of 2% along the horizontal sections toward the condenser
Insert oil traps (siphons) at the start of each vertical climbing section
Insert oil traps (siphons) every 5 metres of vertical climbing section
Insert a back-siphon on the supply pipes at the end of the vertical section
Supply pipe insulation
Internal Required
External For aesthetic reasons only, or in the event of risk of contact with people
Liquid pipe precautions Install the check valve as close as possible to the air-cooled condenser
Liquid pipe insulation
Internal Required
External
Only if exposed to the sun, for aesthetic reasons only, or in the event of risk of contact
with people
B
F
G
E
D
A
C
5 m *
G
H
B
F
G
E
D
A
C
15 m *
5 m *
G
H
B
B