11 | Configuration
Installer reference guide
167
EWAA011~016DA + EWYA009~016DA
Packaged air-cooled water chillers
and packaged air to water heat pumps
4P620242-1 – 2020.06
# Code Description
N/A [E-0D] Glycol Filled system: Is the system filled
with glycol?
▪ 0: No
▪ 1: Yes
NOTICE
If you add glycol to the water, you also need to install a flow switch (EKFLSW1).
Water pipe freeze prevention
Only relevant for installations with water piping outdoors. This function tries to
protect outdoor water piping from freezing.
# Code Description
[9.7] [4-04] Water pipe freeze prevention:
▪ 0: Intermittent: Do NOT use.
▪ 1: Continuous
▪ 2: Off
NOTICE
If the system does NOT contain a backup heater, then:
▪ Make sure that the room antifrost control is activated ([2-06]=1).
▪ Do NOT change the default room antifrost temperature [2-05].
▪ Make sure that the water pipe freeze prevention is activated ([4-04]≠2).
NOTICE
Water pipe freeze prevention. Even if you turn OFF space heating/cooling operation
([C.2]: Operation > Space heating/cooling), water pipe freeze prevention –if
enabled– will remain active.
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