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1
MANUTENÇÃO
A manutenção periódica é fundamental para manter
eciente o condicionador de ar.
Antes de fazer qualquer operação de manutenção,
desligue a alimentação eléctrica através do interruptor
geral do aparelho (coloque-o na posição “desligado”).
INSTALADOR
Direcção do fluido refrigerante
Válvula de 2 vias
(6) Aprire di 1/4 di giro
Tampa da válvula
(1) Gire
(8) Fixe
(2) Gire
Válvula de 3 vias
(8) Fixe
(1) Gire
(7) Gire para
abrir completamente
(7) Gire para abrir completament
(8) Fixe
Entrada
útil
Ligue à
unidade intern
UNIDADE INTERNA
Tampa
da válvula
O ar húmido que cou no ciclo de refrigeração pode causar
falhas no compressor. Após ter ligado a unidade interior e
exterior, elimine o ar e a humidade do ciclo de refrigeração
usando uma bomba de vácuo.
(1) Solte e retire as tampas das válvulas de 2 e 3 vias.
(2) Solte e retire a tampa da válvula útil.
(3) Ligue o tubo exível da bomba de vácuo à válvula útil.
(4) Ligue a bomba de vácuo durante 10-15 minutos, até
quando alcançar a depressão absoluta de 10 mm Hg.
(5) Com a bomba de vácuo ainda a funcionar, feche o maní-
pulo de baixa pressão na manga da bomba de vácuo.
De seguida, desligue a bomba de vácuo.
(6) Abra 1/4 de giro a válvula de 2 vias e então feche-a
após 10 segundos. Verique a estanquidade de todas as
juntas utilizando sabão líquido ou um detector electróni-
co de fugas.
(7) Gire o corpo das válvulas de 2 e de 3 vias. Solte o tubo
exível da bomba de vácuo.
(8) Reposicione e xe todas as tampas das válvulas.
Bomba de vácuo
EXPURGO DO AR
INSTALADOR
UNIDADE INTERIOR
Remoção e limpeza do ltro
r "CSBPQBJOFMGSPOUBMOBEJSFDÉÈPEBTFUB
r .BOUFOIBPQBJOFMGSPOUBMMFWBOUBEPDPNVNBNÈPFDPNB
outra retire o ltro de ar.
r -JNQFPàMUSPDPNÃHVBTFPàMUSPFTUJWFSTVKPEFÓMFPQPEF
ser lavado com água quente (não mais de 45°C). Deixe-o
secar num lugar fresco e seco.
119


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