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  9. Sanhua RFKA Series User manual

Sanhua RFKA Series User manual

INSTRUCTIONS
Copyright © SANHUA 2012 1 II-RFKA-MU-R1211
Subject to change without notice
THERMOSTATIC EXPANSION VALVE series RFKA
Applicabl to fluids and r frig rants of GROUP 2*
*according to Dir ctiv 97/23/CE (29 May 1997)
T mp ratur allow d rang : -40°C to +70°C (-40°F to +158°F)
D sign Pr ssur (PS): 35,0 bar (500 psi)
1
3
2
4
A
1/2
-
5/8 inch
12
–
18mm
7/8”
–
1” 3/8
22
–
35mm
2
1
L
INSTRUCTIONS
Copyright © SANHUA 2012 2 II-RFKA-MU-R1211
Subject to change without notice
5
6
7
8
9
a
9b
INSTRUCTIONS
Copyright © SANHUA 2012 3 II-RFKA-MU-R1211
Subject to change without notice
Table 2
Type
MOP
Range
o t
o
-40°C to +10°C
Range
o t
o
-60°C to -25°C
SH=SuperHeat
-
5 K
5 K
√
4 K
4 K
∆
∆∆
∆
SH / 360° *
* SH variation or each turn
RFKA01
-
3.6 K
-
RFKA01
√
3.
6
K
8
K
RFKA02
-
4
K
-
RFKA02
√
4
K
-
RFKA03
-
3
K
-
RFKA03
√
3
K
7
K
RFKA04
-
5
K
-
RFKA04
√
5
K
-
ACTION
English
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1
Fix th bulb on th pip
(suction lin ) using a clamp
as shown in th pictur
Fix r l bulb sur la lign
d’aspiration n utilisant un
colli r comm montré sur
l schéma
Th rmofühl r mit in r
Sch ll g mäß Bild am
Saugl itungsrohr
b f stig n.
Fissar il bulbo sul tubo
d lla lin a di aspirazion
usando un mors tto com
in figura
Fijar l bulbo n l tubo d
la lín a d aspiración
usando una abrazad ra
como n la figura.
2a
Fix th bulb on a horizontal
pip
Fix r l bulb sur un tub
horizontal
Th rmofühl r an in r
horizontal n L itung
b f stig n
Fissar il bulbo su un tratto
di tubo orizzontal
Fijar l bulbo n un tramo
horizontal d l tubo.
2b
Fix th bulb on th pip
using conductiv past . Fix
th bulb only in th
sugg st d positions: for
small tub s (1/2 to 5/8 in.
and 12 to 18 mm) th bulb
may b install d on top of
th lin or sid mount d
(at 3 o’clock position). For
tub s (7/8 in. to 1” 3/8
and 22 to 35 mm) install
th bulb at 4 or 8 o’clock.
Fix r l bulb sur l tub n
utilisant un pat
th rmiqu conductric .
Fix r l bulb s ul m nt
s lon l s positions
suivant s :
Pour l s p tits tub s (1/2 à
5/8 pouc s ou 12 à 18
mm), l bulb p ut êtr
installé sur l haut du tub
ou sur l côté (à 3h). Pour
l s tub s d diamètr
supéri ur (7/8 to 1’3/8
pouc s ou 22 à 35 mm),
install r l bulb n
position 4h ou 8h. Voir
schéma
Th rmofühl r am Rohr mit
Wärm l itpast b f sti-
g n. Th rmofühl r nur in
d n vorg schlag n n Posi-
tion n monti r n: Für
kl in Rohr (1/2“ bis 5/8“
und 12 bis 18 mm) d n
Fühl r auf od r s itlich an
d m Rohr ( 3 Uhr Position)
b f stig n. Für größ r
Rohr (7/8“ bis 1 3/8“ und
22 bis 35 mm) d n Fühl r
auf 4 od r 8 Uhr monti -
r n.
Fissar il bulbo sul tubo
usando d lla pasta
conduttiva. Fissar il bulbo
solo n ll posizioni
consigliat : p r piccoli tubi
(da 1/2 a 5/8 in. da 12 a
18 mm) installar il bulbo
sulla part sup rior d l
tubo o a lato d llo st sso
(a or 3). P r tubi (da 7/8 a
1” 3/8 da 22 a 35 mm)
installar il bulbo a or 4 o
8.
Fijar l bulbo al tubo
usando pasta conductiva.
Fijar l bulbo solo n las
posicion s acons jadas:
para tubos p qu ños (d
½” a 5/8 in.y d 12 a 18
mm) instalar l bulbo n la
part sup rior d l tubo o al
lado d l mismo (a las 3 d l
r loj). Para tubos (d 7/8 a
1”3/8 y d 22 a 35 mm)
pon r l bulbo a las 4 u 8
d l r loj.
3
R sp ct th corr ct
installing position in th
plant admitt d for th
th rmostatic xpansion
valv (TEV). Evaporators
with liquid distributors
n d TEV with xt rnal
qualization (fig.A)
Positionn r corr ct m nt
la vann d’ xpansion
th rmostatiqu dans
l’installation. L s
évaporat urs av c
distribut urs ont b soin d
TEV av c égalisation
xt rn (fig A)
Korr kt Einbaulag d s
th rmostatisch n Expan-
sionsv ntil s (TEV) inn r-
halb d r Anlag b acht n.
V rdampf r mit Flüssig-
k itsv rt il r b nötig n
TEV mit xt rn m Druck-
ausgl ich (fig. A)
Risp ttar la corr tta
posizion di installazion
n ll’impianto amm ssa p r
la valvola di spansion
t rmostatica (TEV). Gli
vaporatori con
distributor di liquido
n c ssitano di una TEV con
qualizzazion st rna
(fig.A)
R sp tar la posición
corr cta d instalación n
l quipo admitido por la
válvula d xpansión
t rmostática (TEV). Los
vaporador s con
distribuidor d líquido
n c sitan una TEV con
igualación xt rna (fig.A)
4
Install th bulb on th
suction lin according to
th position shown in th
pictur . R sp ct th
minimum l ngth L (v rtical
distanc b tw n th valv
and th liquid distributor).
It must b L > 7 x D (D=
pip diam t r). Install th
bulb clos to th
vaporator (from 3 to 6 in.)
Install r l bulb sur la
lign d’aspiration s lon la
position indiqué sur l
schéma. R sp ct r la
distanc minimum L
(distanc v rtical ntr la
vann t l distribut ur).
Ell doit r sp ct r la règl L
> 7xD (où D st l diamètr
du tub cuivr ). Install r l
bulb près d
l’évaporat ur (d 3 à 6
pouc s)
Th rmofühl r g mäß Bild
an d r Saugl itung b f s-
tig n. Minimal n Abstand L
inhalt n (v rtikal r Ab-
stand zwisch n V ntil und
Flüssigk itsv rt il r). Es
muss L > 7 x D (D= Rohr-
durchm ss r) ing halt n
w rd n. D n Fühl r nah
am V rdampf r monti r n
(von 3 bis 6 in.; von 75 bis
150mm)
Installar il bulbo sulla
lin a di aspirazion
s condo la posizion
mostrata in figura.
Risp ttar la lungh zza
minima L (distanza
v rtical fra la valvola il
distributor di liquido).
D v ss r
L > 7 x D (D= diam tro d l
tubo). Installar il bulbo
vicino all’ vaporator (da 3
a 6 pollici)
Instalar l bulbo n la lín a
d aspiración s gún la
posición mostrada n la
figura. R sp tar la longitud
mínima L (Distancia v rtical
ntr la válvula y l
distribuidor d líquido).
D b s r L>7 x D(D=
diám tro) d l tubo). Pon r
l tubo c rca d la salida
d l vaporador ( d 3 a 6
pulgadas)
5
SOLDER VERSION: Braz
inl t, outl t and (if pr s nt)
xt rnal qualization
conn ctions of TEV using
sp cific alloy (SilFos 15).
Us a w t rag on th valv
during th brazing proc ss
VERSION A BRASER: Bras r
l s conn ctions d’ ntré ,
d sorti t (si prés nt)
d’égalisation xt rn n
utilisant un alliag
spécifiqu (typ SilFos 15).
Plac r un chiffon mouillé
sur l corps d la vann
p ndant l brasag .
LÖTVERSION: Eingang, Aus-
gang und (falls vorhand n)
xt rn n Ausgl ich inlö-
t n unt r V rw ndung
sp zi ll r L gi rung (SilFos
15). Währ nd d s Lötvor-
gangs das V ntil mit
nass m Lapp n umwick ln.
VERSIONE A SALDARE:
Brasar l conn ssioni di
ingr sso, uscita (s
pr s nt ) di
qualizzazion usando una
l ga sp cifica (SilFos 15).
Usar uno straccio bagnato
sulla valvola durant il
proc sso di brasatura.
VERSION SOLDAR: Soldar
las con xion s d ntrada,
salida y (si pr s nt ) d la
igualación usando una
al ación sp cífica (SilFos
15). Pon r un paño
húm do ncima d la
válvula durant l proc so
d soldadura.
INSTRUCTIONS
Copyright © SANHUA 2012 4 II-RFKA-MU-R1211
Subject to change without notice
6
THREAD VERSION: Braz
th inl t conn ction to a
sold r adaptor using
sp cific alloy (SilFos 15).
Ins rt into th body valv
th int rnal orific
VERSION A VISSER:
Bras r la conn ction
d’ ntré à un adaptat ur à
soud r n utilisant un
alliag spécifiqu (typ
SilFos 15). Insér r l’orific
int rn dans l corps d la
vann .
GEWINDEVERSION:
Eingangsv rbindung mit
in m Lötadapt r v rlöt n
unt r V rw ndung
sp zi ll r L gi rung (SilFos
15). Di int rn Düs in das
V ntilg häus infüg n.
VERSIONE AD AVVITARE
Brasar la conn ssion di
ingr sso ad un adattator
a saldar usando una l ga
sp cifica (SilFos 15).
Ins rir n l corpo valvola
l’orificio int rno.
VERSION ROSCAR: Soldar la
con xión roscada a un
adaptador a soldar usando
una al ación sp cífica
(SilFos 15). Introducir l
orificio int rno n l
cu rpo d la válvula.
7
Tight n th adaptor to th
thr ad conn ction
r sp cting th torqu
valu s. ATTENTION: us
th two wr nch s as
shown in th pictur .
S rr r l’adaptat ur sur la
conn ction vissé n
r sp ctant l s val urs d
coupl s.
ATTENTION : Utilis r 2 clés
d s rrag comm illustré
sur l schéma.
D n Adapt r mit d r
G wind v rbindung b f s-
tig n unt r B rücksichti-
gung d r Dr hmom nt .
ACHTUNG : Zw i Schlüss l
b nutz n wi im Bild
darg st llt.
S rrar l’adattator alla
conn ssion fil ttata
risp ttando i valori di
coppia riportati.
ATTENZIONE: usar l du
chiavi com mostrato in
figura.
Ajustar l adaptador a la
con xión roscada
r p tando los valor s d
Par d Ajust .
ATENCION: Usar las dos
llav s como s mu stra n
la figura.
8
Aft r th TEV installation,
ch ck that: th vaporator
inl t t mp ratur (t2) must
b bigg r than th
vaporator outl t
t mp ratur (t1 =
t mp ratur m asur d by
th bulb)
Après avoir installé la
vann , vérifi r qu la
t mpératur d’ ntré d
l’évaporat ur (t2) st
supéri ur à la
t mpératur d sorti d
l’évaporat ur (t1 m suré
par l bulb )
Nach Installation d s TEV
sich rst ll n, dass di
V rdampf r intritts-
t mp ratur (t2) höh r ist
als di V rdampf raus-
trittst mp ratur (t1 = vom
Fühl r g m ss n
T mp ratur).
Dopo l’installazion d lla
TEV controllar ch : la
t mp ratura di ingr sso
all’ vaporator (t2) d v
ss r maggior d lla
t mp ratura di uscita
dall’ vaporator (t1 =
t mp ratura misurata dal
bulbo)
D spués d la instalación
d la TEV, comprobar qu :
la t mp ratura d la
ntrada al vaporador (t2)
ha d s r mayor qu la
t mp ratura d
salida(t1=t mp ratura
m dida por l bulbo).
9
Factory pr s tting of TEV
(with or without MOP) is
just provid d on standard
products. It is possibl to
customiz th sup rh at
valu (∆Tsh ) s tting:
L préréglag d’usin d s
TEV (av c ou sans MOP) st
uniqu m nt ff ctué sur
l s composants standards.
Il st possibl d
p rsonnalis r la val ur d
désurchauff (∆Tsh)
W rks inst llung von TEV
(mit od r ohn MOP) wird
nur b i Standardprodukt n
vorg nomm n. Kund n-
sp zifisch Einst llung d r
Üb rhitzung (∆Tsh) ist
möglich :
N i prodotti standard è
fornito un pr -s ttaggio di
fabbrica d lla TEV (con o
s nza MOP). E’ possibil
p rsonalizzar il s ttaggio
d l surriscaldam nto ∆Tsh:
El producto stándar d la
TEV ( con o sin MOP) ll va
un ajust d fábrica. Es
posibl p rsonalizar l
ajust d l
sup rcal ntami nto
∆Tsh:
9a
Using a scr wdriv r turn in
count rclockwis th
r gulation scr w until th
stop position.
A l’aid d’un tourn vis,
tourn r dans l s ns
inv rs d s aiguill s d’un
montr la vis d régulation
jusqu’à la buté .
Mit in m Schraub n-
dr h r di Einst llschraub
g g n d n Uhrz ig rsinn
bis zum Anschlag dr h n.
Usando un cacciavit girar
in s nso antiorario la vit di
r golazion fino alla
posizion di stop.
Con un d stornillador girar
n s ntido contrario d l
r loj l tronillo d
r gulación hasta la posición
d fin.
9b
Turn th r gulation scr w
in clockwis until th
d sir d ∆Tsh valu (s
tabl 2 for d tails)
Tourn r la vis d régulation
dans l s ns d s aiguill s
d’un montr jusqu’à la
val ur désiré (∆Tsh). S
référ r à la tabl 2 pour l s
détails.
Di Einst llschraub im
Uhrz ig rsinn dr h n, bis
di g wünscht Üb rhit-
zung ∆Tsh rr icht wird
(Si h Tab.2 für D tails)
Girar in s nso orario la
vit di r golazion fino al
raggiungim nto d l valor
richi sto di ∆Tsh (v di
tab lla 2 p r d ttagli)
Girar l tornillo d
r gulación n l s ntido d l
r loj hasta l valor d s ado
(v r Tabla 2 para d tall s)
d l ∆Tsh

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