Daikin EWAP460MBYN [224/452] Loadup no possible area

Daikin EWAP460MBYNN [224/452] Loadup no possible area
Functional Control for a Standalone Unit ESIE05-07
2–28 Part 2 – Functional Description
3
1
2
4
5
Function
description
P Loadup not possible area: If outlet water is lower then MOW then loadup is not possible.
P Freeze-up prevention area: If outlet water temperature is lower then MOW - 0.5°C then a loaddown
of 10 seconds. Will be executed each sampling time (default 12 sec.),as long as the outlet water
temp is to low. During this Freeze-up prevention the compressor status in the read-out menu is
blinking.
P Freeze-u safety disabling area: Unit will shutdown.
Freeze-up
protection control
It is possible to disable the freeze-up alarm when the unit is switched off. This can be done in the
service menu.
The number of allowed freeze-ups, without shutdown of the unit, during a certain period can be set in
the service menu.
MOW
(def 4°C)
MOW-
MOWDiffpr
(=def 3.5°C)
MOW-
MOWDiff
(=def 2.5°C)
Outlet temp
Time
Minimum Outlet Water
(=Min outlet setpoint)
Freeze-up safety-disabling
(shutdown)
Freeze-up prevention area
(loaddown)
Loadup no possible area
Line N° Display Setting Description Explanation
1 FREEZE UP DIS. ONLY Disable only No alarm indication
after Freeze up.
After defrost the
unit will restart
automatically.
1 FREEZE UP DIS&SAFETY
(default)
Disable and safety Alarm indication
after expiration of
programmed
number of
freeze-ups
Line N° Display Description
Lower
limit
Upper
limit
Step Default
2.1 SAFETY: Number of
freeze-ups
1512
2.2 IN Period (minutes) 5 180 1 60
ESIE05-07.book Page 28 Wednesday, October 11, 2006 10:42 AM

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