Draft Avoidance Control 2 - Daikin Sky Air R-407C Service Manual

ESIE02–01
3.3 Draft Avoidance Control 1
Applicable units The draft avoidance control 1 is applicable for the following units:
Model type
Cassette
Corner
Ceiling
Wall
Purpose The purpose of the draft avoidance control 1 is to avoid draft, which is very uncomfortable for the end
users.
Method The draft avoidance control 1 delays the moving of the flap setting to the Po0 position (= upper) for a
certain amount of time in the following conditions:
Heating mode and The time chart below illustrates the draft avoidance control 1 in heating mode and thermostat OFF.
thermostat OFF
Fan
Flap
Thermostat
Defrosting The time chart below illustrates the draft avoidance control 1 in defrosting.
Fan
Flap
Defrosting
Part 2 – Functional Description
Model name
FHYCP and FUYP
FHYKP
FUYP
FAYP
In heating mode and thermostat OFF, or
In defrosting.
Setting
LL
Setting
Po0
ON
OFF
Setting
Off
Setting
Po0
Yes
No
Overview of the heating mode functions
When the flap starts to move, there can be
a draft. The fan speed decreases to LL
speed but it takes some time because of
its inertia.
Flap motor starts
20 s
to drive the flap.
When the flap starts to move, there can be
a draft. The fan speed decreases to LL
speed but it takes some time because of
its inertia.
Flap motor starts
20 s
to drive the flap.
1
2
3
4
5
Po0
Flap moves from
setting position to Po0
Po0
Flap moves from
setting position to Po0
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