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Connecting the Refrigerant Tubing
8.4
i
8
!
8.5
74
Installation of Refrigerant pipe
Follow the basics of installation technology!
The refrigerant lines must be installed vertically and without tension.
Use only approved pipe clamps to fix the refrigerant pipes. Use rubber buffered pipe clamps for
decoupling.
Note
Vertical inclination of expansion valve must be less than ±15°
CAUTION
Remember to cool down pipes with wet paper during soldering
When installing the expansion valve, the following limitations and restrictions need to be observed:
► The distance from tank heat exchanger and expansion valve must not exceed 2 meters.
► Pipe reducers or pipes expanders must be used in the field when needed.
Important
If there are multiple tanks in one ECOi system, an individual expansion valve and controller
must be installed for each tank system.
Expansion valve
Expansion valve shall be installed, when:
● ECOi setup for 3 ways system
PAW-VP-VALV-280
PAW-VP1000LDHW
PAW-VP750LDHW
PAW-VP•LDHW - Technical Manual – 2020-07
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