ESIE05-04 Functional concept
Part 2 – Functional Description 2–21
1.16 Draft Avoidance Control 2
Purpose The purpose of the draft avoidance control 2 is to avoid draft when the flap is moving.
Starting conditions The draft avoidance control 2 is activated when:
Q Hot start is finished, or
Q Cold air prevention control is finished.
Time chart If the fan speed is set to "H", the fan turns at low speed for a certain amount of time.
Used input Draft avoidance control 2 uses the following inputs:
Fan
Flap
Hot start finished
Setting
OFF/LL
L
H
Po0
T
T = 24 s
FCQ: T = 5s
Input
Connection on
indoor PCB
Connection on
outdoor PCB
Limit switch for flap 33S —
No. of fan turns X26A —
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