5.2 Hydraulic connection
Observe the installation and operating manual of the outdoor unit when installing the
refrigerant pipework.
DANGER
Risk of suffocation due to leaking refrigerant
Leaking refrigerant collects at the base of the unit.
Inhalation may cause suffocation, and even death.
Contact with the skin can cause frostbite.
▶
Do not damage refrigeration circuit.
WARNING
Environmental damage due to leaking refrigerant
Refrigerant contains fluorinated greenhouse gases in accordance with the Kyoto
Protocol and must not be discharged into the atmosphere.
▶
Do not damage refrigeration circuit.
▶
Flush the heating system with at least twice the total system content.
✓
Contaminants are removed.
▶
Connect supply and return using shut off valves.
1
DHW supply external Ø 28 mm
2
DHW return external Ø 28 mm
3
External heat source connections Ø 22 mm (optional)
4
Refrigerant pipework 5/8'' (hot gas pipe)
5
Refrigerant pipework 3/8'' (liquid pipe)
6
Heating return external Ø 28 mm
7
Heating supply external Ø 28 mm
Installation and operating instruction
Hydraulic unit WWP L 7 ... L 15
5 Installation
83279602 • 1/2014-05 • La
25-59
