Service manual

ESIE03–01 Overview of the heating mode functions

Part 2 – Functional Description 2–45

3.4 Draft Avoidance Control 2

Applicable units The draft avoidance control 2 is applicable for the following units:

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:

P Hot start is finished, or

P 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:

Model type Model name

Cassette FHYCP and FUYP

Corner FHYKP

Ceiling FUYP

Wall FAYP

Fan

Flap

Hot start,

cold air prevention

Setting

OFF/LL

Po0

Finished

T =

24 s (50Hz)

5 s (FH(Y)CP and FH(Y)KP)

Input

Connection on

indoor PCB

Connection on

outdoor PCB

Limit switch for flap 33S —

No. of fan turns X26A —