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Sanhua LPF Series User manual

Sanhua©2020 All rights reserved. Subject to change without notice. SANHUAUSA.COM Sanhua©2020 All rights reserved. Subject to change without notice. SANHUAUSA.COM
Step Español Français
8b Pulsar 0 para ajustar el punto de arranque.
Cuando la válvula está completa-mente cerrada
resetear el punto de arranque a la fase de ex-
citación Ø1 usando el siguiente método: Tener
la bobina desconectada, luego darle corriente
y cargarla a 560 pulsos para cerrar la válvula.
Durante el proceso de control.
Paramétrer 0 pulse pour ajuster le point de départ.
Lorsque la vanne est complètement fermée, re- par-
amétrer le point de départ avec la phase d’excitation
Ø1en utilisant la méthode suivante : Garder la bobine
déchargée, ensuite charger la et appliquer 560 pulses
pour fermer la vanne. Pendant le process de contrôle :
Rajouter 8 pulses pour fermer la vanne.
8c Para abrir la válvula usar los pulsos de excitac-
ión (tabla 1) de la posición 1 a la 8.
Pour ouvrir la vanne, utiliser la table d’excitation 1
(table 1) de la position 1 à 8
8d Para cerrar la válvula usar los pulsos de excitac-
ión (tabla 1) de la posición 8 a la 1.
Pour fermer la vanne, utiliser la table d’excitation 1
(table 1) de la position 8 à 1
8e El motor de pasos con imán permanente tiene
una función de automanteni-miento y no
necesita energia para mantenerse en posición.
Le moteur pas à pas avec aimants permanents à un
phénomène d’auto maintien et n’a pas besoin d’être
alimenté pour laisser la vanne ouverte.
9 ATENCION: No alimentar la bobina eléctrica con
tensión cuando ésta no está montada sobre la
válvula.
ATTENTION: Ne pas alimenter la bobine si elle n’est
pas montée sur la vanne.
ELECTRONIC EXPANSION VALVE
SERIES LPF INSTRUCTIONS
Applicable to fluids and refrigerants of Group 1 and 2 as defined in article 13 (1) (b)
of Directive 2014/68/EU.
Temperature Allowed Range: -40°F to +158°F (-40°C to +70°C)
Design Pressure (PS): 42 bar (609 psi) / 60 bar (870psi)
GENERAL SPECIFICATIONS
LPF series Electric Expansion Valves are designed for use in
refrigeration systems. The valve port is designed with PTFE
(Teflon™), creating a tight seat equivalent to a solenoid valve
thus preventing liquid refrigerant from migrating to the
evaporator and compressor.
1Respect the indicated installation position into the refrigerant circuit of the valve and of the sensors
required for the calculation of superheat.
23
INSTALLATION INSTRUCTIONS: EEV SERIES LPF
TECHNICAL SUPPORT
For additional technical information and to learn more about
Sanhua’s full product line, please visit:
sanhuausa.com
II-LPF-MU-R1909-NA
Sanhua©2020 All rights reserved. Subject to change without notice.
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ADDITIONAL LANGUAGES CONTINUED
EEV SERIES LPF CONTINUED
13
AB
100 Mesh Sieve
Flow direction “A” is good. Do not flow in direction “B”.
Do not use this valve on heat pumps. Install a filter
drier and 100 mesh sieve before the inlet of the valve.
Respect the indicated mounting position (pos.1).
It is prohibited installation with stator pointed
downwards (pos.2 and 3).
2
Sanhua©2020 All rights reserved. Subject to change without notice. SANHUAUSA.COM Sanhua©2020 All rights reserved. Subject to change without notice. SANHUAUSA.COM
Before the brazing process, remove the coil if it
is just installed on the valve body. Braze the two
valve connections using specific alloy (SilFos 15).
Use a wet rag on the valve during the brazing
process.
EEV SERIES LPF CONTINUED
45
67
8
9
Step Español Français
1 Respetar la posición indicada en la instalación
frigorífica para la válvula y para los sensores
que se requieren para el cálculo del sobrere-
calentamiento.
Respecter la position d’installation dans le circuit
frigorifique et utilisez les capteurs adéquats pour
calculer convenablement la surchaue.
2 La dirección de flujo “A” es buena. No fluya en
la dirección “B”. No use esta válvula en bombas
de calor. Instale un filtro deshidratador y un
tamiz de malla 100 antes de la entrada de la
válvula.
Le sens d’écoulement «A» est bon. Ne coule pas dans
le sens «B». N’utilisez pas cette vanne sur les pompes
à chaleur. Installez un filtre déshydrateur et un tamis
de 100 mesh avant l’entrée de la vanne.
3 Respetar la posición del montaje indicada
(pos.1). Está prohibida la instalación con el
estator vuelto hacia abajo (pos.2 y 3)
Respecter les positions de montage préconisées (pos.
1). Il n’est pas permis d’installer la vanne « tête en bas
» selon la pos.2 et pos.3
4 Se admite una tolerancia del ±15° de la bobina
respecto al eje vertical, como se muestra en la
figura.
Il est possible d’admettre une inclinaison de +/- 15°
de l’axe de la bobine par rapport à la verticale comme
montré sur le schéma.
5 Antes del proceso de soldadura quitar la bobina
si está instalada en el cuerpo de la válvula. Sol-
dar las dos conexiones de la válvula usando una
aleación específica (SilFos 15). Usar un paño
húmedo sobre la válvula durante el proceso de
soldadura.
Avant le brasage, retirer la bobine si celle-ci est
présente. Braser les tubes de connection en utilisant
un alliage spécifique (type SilFos 15). Placer un chion
mouillé sur le corps de la vanne pendant le brasage.
6 Al instalar la junta tórica, es necesario asegu-
rarse de que no haya manchas de agua residual
en la junta tórica y la carcasa. Asegurar
que la junta tórica está instalada en su lugar y
encaja con el soporte de la bobina
Avant d’installez le joint o-ring, veuillez ôter toute
présence d’eau ou d’humidité sur l’enveloppe du mo-
teur. Assurez vous qu’une fois installé le joint se place
correctement pour recevoir la bobine.
7 Instalar la bobina sobre el cuerpo de la válvula.
Girar la bobina para fijarla correctamente.
Installer la bobine sur le corps de la vanne. Tourner la
bobine pour la fixer correctement sur la vanne.
8a El conector de la bobina presenta 5 cables: los
cables COM (gris) deben conectarse al polo
positivo.
La tensión nominal de la bobina es DC12V ±
10%.
La bobine possède 5 fils: le fil COM (gris) doit être
connecté au pole positif. La tension d’alimentation de
la bobine est 12VDC± 10%.
ADDITIONAL LANGUAGES
TABLE 1
Max. 248ºF (120ºC)
0-ring
Install to specified
location
COLOR OF CABLES
A ORANGE
B RED
A YELLOW
B BLACK
COM GREY
CABLE EXCITATION
1 2 3 4 5 6 7 8
A ON ON OFF OFF OFF OFF OFF ON
B OFF ON ON ON OFF OFF OFF OFF
A OFF OFF OFF ON ON ON OFF OFF
B OFF OFF OFF OFF OFF ON ON ON
It is admitted a tolerance of ±15° for the coil as
regards the vertical axis, as shown in the picture.
When installing O-ring, it is necessary to ensure
that there is no residual water stain in O-ring and
shell. Ensure that the O-ring is installed in place
and fits with the coil holder.
Install the coil on the valve body. Turn the coil to
fix it correctly.
A. The coil connector presents 5 wires: cables COM ( grey ) must be
connected to the positive pole. The coil rated voltage is DC12V ± 10%.
B. Give 0 pulse to adjust the starting point. When the valve is com-
pletely close re-set the starting point to Ø1 phase excitation using the
following method: Keep the coil de-energized, then energize it and
charge 560 pulses to close valve. During control process: current open
position plus 8 pulse in closing direction.
C. To open the valve use excitation steps (table 1) from position 1 to
position 8.
D. To close the valve use excitation steps (table 1) from position 8 to
position 1.
E. Stepping motor with permanent magnets has self- maintenance,
and it doesn’t need energize for keeping open.
ATTENTION: Don’t connect power
supply to the electrical coil when
it is not mounted into the valve.

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