MUNDO CLIMA H9A Series, Installation And Owner'S Manual

Page: 94 / 336

DO NOT DEFOR M P I PE
WH IL E CU TT I NG
Be ex t ra care f ul no t t o da m age , den t , or
de f or m t he pipe while cu tt ing . This will
dras t ically reduce t he hea t ing e ff iciency o f t he
uni t.
S te p 2: R emove b urrs
Burrs can a ff ec t t he air- t igh t seal o f re f rigeran t
piping connec t ion . They m us t b e co m ple t ely
re m oved .
1 . Hold t he pipe a t a downward angle t o preven t
b urrs f ro m f alling in t o t he pipe .
2 . Using a rea m er or de b urring t ool , re m ove all
b urrs f ro m t he cu t sec t ion o f t he pipe .
Pipe
Reamer
Point down
S te p 3: F lare p i p e ends
Proper flaring is essen t ial t o achieve an air t igh t
seal .
1 . A ft er re m oving b urrs f ro m cu t pipe , seal
t he ends wi t h PVC t ape t o preven t f oreign
m a t erials f ro m en t ering t he pipe .
2 . Shea t h t he pipe wi t h insula t ing m a t erial .
3 . Place f lare nu t s on b o t h ends o f pipe . Make
sure t hey are f acing in t he righ t direc t ion ,
b ecause you can’ t pu t t he m on or change
t heir direc t ion a ft er f laring . See
F i g. 6.3
.
Flare nut
C
opper pipe
4 . Re m ove PVC t ape f ro m ends o f pipe when
ready t o per f or m f laring work .
5 . Cla m p f lare f or m on t he end o f t he pipe .
The end o f t he pipe m us t ex t end b eyond t he
edge o f t he f lare f or m in accordance wi t h t he
di m ensions shown in t he t a b le b elow .
P I P I NG EXTENS I ON BEYOND F L ARE FOR M
O uter D iameter of
P i p e (mm)
A (mm)
Min . Ma x.
Ø 6 . 35 (Ø 0 . 25”) 0 . 7 (0 . 0275”) 1 . 3 (0 . 05”)
Ø 9 . 52 ( Ø 0 . 375”) 1 . 0 (0 . 04”) 1 . 6 (0 . 063”)
Ø 1 2 . 7 ( Ø 0 . 5”) 1 . 0 (0 . 04”) 1 . 8 (0 . 07”)
Ø 1 6 ( Ø 0 . 63”) 2 . 0 (0 . 078”) 2 . 2 (0 . 086”)
Flare form
Pipe
A
R
efri
g
erant
P
i
p
in
g
Connection
94
Fig. 6.5
Fig. 6.4
Fig. 6.3
Fig. 6.2
This unit must be installed by a professional according RD 795/2010, RD 1027/2007 and RD 238/213