8 | Piping installation
Installer reference guide
69
EWAA011~016DA + EWYA009~016DA
Packaged air-cooled water chillers
and packaged air to water heat pumps
4P620242-1 – 2020.06
NOTICE
When connecting the field piping, hold the nut on the inside of the unit in place using
a spanner to provide extra leverage.
1 Connect the shut-off valve (with integrated filter) to the outdoor unit water
inlet, using thread sealant.
a Water OUT (screw connection, male, 1")
b Water IN (screw connection, male, 1")
c Shut-off valve with integrated filter (delivered as accessory)(2× screw connection,
female, 1")
d Thread sealant
2 Connect the field piping to the shut-off valve.
3 Connect the field piping to the outdoor unit water outlet.
NOTICE
About the shut-off valve with integrated filter (delivered as accessory):
▪ The installation of the valve at the water inlet is mandatory.
▪ Mind the flow direction of the valve.
NOTICE
For service purposes, it is recommended to also install a shut-off valve and drain
point to the water OUT connection. This shut-off valve and drain point are field
supplied.
NOTICE
Install air purge valves at all local high points.
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