Installation and operating instruction
Hydraulic unit WWP LS 8 ... 16-B
5 Installation
83306902 2/2017-05 La
24-88
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 suffoca-
tion, 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.
Close flow and return (install shut off devices).
8
5
4
1
2
7
3
6
1
Heating return Ø external 28 mm
2
DHW return Ø external 28 mm
3
Condensate connection
4
DHW flow Ø external 28 mm
5
Heating flow Ø external 28 mm
6
Safety valve outlet
7
Refrigerant pipework ⅝" (compressed gas line)
8
Refrigerant pipework ⅜" (liquid pipe)