CIAT CIATCOOLER LJA Series Installation, Operation, Commissioning, Maintenance Download Page 25

26

Réglage des appareils de
régulation et de sécurité

Adjustment of control
and safety devices

Einstellung der Regel- und

Sicherheitsvorrichtungen

Appareils de régulation et de sécurité
Regulation and safety devices
 

 Regel- und Sicherheitsvorrichtungen

Fonction
Function

Funktion

Symbole électrique

Electrical symbol

Schaltsymbol

Réglages

Settings

Regelungen

Sonde entrée eau
Water inlet sensor

Temperaturfühler Wassereintritt

B1

Module électronique MRS4–2.A

(modèles 100 à 300)

Sonde sortie eau
Water outlet sensor

Temperaturfühler Wasseraustritt

Régu sécurité

C safety

Re Sicherung

B2

(modèles 100 à 300)

ou MRS1-4.A

(modèles 350 à 600)

Electronic module MRS4–2.A

(models 100 to 300)

Sonde air extérieur
External air sensor

Außentemperaturfühler

Re Sicherung

B6

(models 100 to 300)

or MRS1–4.A

(models 350 to 600)

Elektronikmodul MRS4-2.A

Sonde refoulement
Outlet sensor

Ausblastemperaturfühler

Réarmement manuel

+ Touche ”RESET”

B7

Elektronikmodul MRS4 2.A

(Modelle 100-300)

oder MRS1-4.A

(Modelle 350-600)

Pressostat haute pression
High pressure switch

+ Touche ”RESET”

Manual reset

+ “RESET” button

Manuelles Rücksetzen

HP1

Déclenchement 28 bar 

±

 0.5

(R22 et R407C)

Triggered at 28 bar   0.5

High pressure switch

Hochdruckfühler

Manuelles Rücksetzen

+ RESET-Taste

HP1

Triggered at 28 bar   0.5

(R22 and R407C)

Auslösung bei 28 Bar

±

 0.5

(R22 und R407C)

Pressostat basse pression
Low pressure switch

Réarmement auto

+ Touche ”RESET”

Automatic reset

BP1

Déclenchement 1.4 bar

enclenchement 2 bar

(R22 et 407C)

Triggered at 1.4 bar

Reset at 2 bar

Low pressure switch

Niederdruckfühler

Automatic reset

+ “RESET” button

Autom. Rücksetzen

+ RESET-Taste

BP1

gg

Reset at 2 bar

(R22 and R407C)

Ausschaltung bei 1.4Bar

Einschaltung bei 2 Bar

(R22 und 407C)

Sécurité compresseurs
Compressor safety device

Verdichtersicherung

Réarmement manuel

+ Touche ”RESET”

Manual reset

+ “RESET” button

Manuelles Rücksetzen

+ RESET-Taste

QG1
QG2

Pour les différents paramètres de lecture
voir notice technique MRS4-2.A ou
MRS1-4.A

Option fonctionnement
toutes saisons

Se reporter aux informations fournies
avec l’option

For the various readout parameters, see
the MRS4-2.A or MRS1-4.A technical
manual.

All-year round operation
option

see O & M supplied with the option

Für die verschiedenen Anzeigeparameter siehe

Bedienungsanleitung zum  MRS42.A oder

MRS14.A

Ganzjahresbetrieb (Sonder

ausstattung)

Siehe Informationen, die bei der Sonder-ausstat

tung gegeben sind.

Summary of Contents for CIATCOOLER LJA Series

Page 1: ...nement Mise en service Maintenance LJA LJAH Installation Operation Commissioning Maintenance Groupe de production d eau glac e condensation par air Packaged water chillers with air cooled condenser Ka...

Page 2: ...trische Anschl sse 15 R gulation Control Regelung 16 Appareils de r gulation et de s curit Control and safety equipment Regel und Sicherheitsvorrichtungen 17 Emplacement des thermistances et s curit s...

Page 3: ...ufacturer s identifica tion plate with a manufacturing number This number should be stated in all correspondence Guarantee The guarantee is valid for 12 months from the date of commissioning if the un...

Page 4: ...inet Choice of unit location Before moving installing and connecting the unit the installer should check the fol lowing points These units must be fitted indoors pro tected from adverse weather condit...

Page 5: ...ts de levage mentionn s sur le groupe par une tiquette d identifi cation peuvent tre utilis s pour le levage 2 units A 2 m 3 or more units A 3 m See the diagrams supplied with the unit for the dimensi...

Page 6: ...e MASSE EN KG MASS IN KG GEWICHT IN KG LJA LJAH N vide empty leer en service in service in Betrieb A B vide empty leer en service in service in Betrieb A B 100 581 591 3490 1630 896 1254 3490 2630 150...

Page 7: ...The mounts must be positioned at the locations shown below Place SYLOMER strips in the four corners Vibrationsd mpfung Sonderausstattung F r Anwendungen die nur sehr niedrige Vibratio nen zulassen is...

Page 8: ...vice c t eau sera de LJA 10 bar LJAH 4 bar ballon tampon soupape de s curit tar e 4 bar LJA male connector LJAH male connector Comply with the flow direction inlet outlet marked on the unit It is nece...

Page 9: ...include the full hydraulic system of a conventional installation buffer flask made from thermally insu lated blackened plate single cell centrifugal hydraulic pump with pressure gauges single or doubl...

Page 10: ...n tam pon est d j pris en compte Dans le cas o la capacit de l installation est sup rieure il faut rajouter un vase d expansion sur l installation correspon dant la capacit exc dentaire 2 Les temp rat...

Page 11: ...st zu verwen den ist CONCENTRATION CONCENTRATION KONZENTRATION 10 20 30 40 Mono thyl ne glycol C Monoethylene glycol C Monoethylenglykol 5C 0 3 8 8 3 14 5 23 3 Mono propyl ne glycol C Monopropylene gl...

Page 12: ...LJAH 100 to 300 units are supplied with a motor and trans mission providing an available pressure for the duct network of 15 mm WG To obtain a different available pressure the motor fan pulley transm...

Page 13: ...ndique le r glage effectuer sur site Adjustment of hot gas valve To avoid any risk of freezing in the brazed plate exchangers LJA and LJAH units are fitted with hot gas valves The units are factory ad...

Page 14: ...he phase shift on the mains supply is not too high 2 If these conditions are not met the CIAT guarantee is automatically void You may need to contact your electricity provider The type of cable must b...

Page 15: ...MANUAL for the MRS 4 2 A or MRS 1 4 A Control of operating parameters Fault diagnosis Fault storage in the event of a power cut Automatic control and balancing of compressor operating time multi compr...

Page 16: ...ger 1 4 bar 0 1 R22 and R407c Reset 2 bar Automatic reset pressure switch Acknowledge the fault by pressing the RESET button on the display High pressure switch The HP pressure switch has a safety fun...

Page 17: ...in electronic protection device with a safety function The device protects the electric motor against overheating If a fault occurs the corresponding circuit is cut and signalled by an LED on the dis...

Page 18: ...the main board Check that the machine is configured for local control selection on CPU board Check that all LEDs on the control and display board operate correctly by pres sing the key the LEDs corres...

Page 19: ...sure too low air present in the chilled water circuit chilled water pump too weak insuffi cient flow rate chilled water pump not operating nor mally turning in wrong direction chilled water temperatur...

Page 20: ...A LJAD LJADH series Anordnung der K ltekreise und wesentlichen Kompo nenten CIATCOOLER Serie LJA LJAD LJADH CP Compresseur BC Batterie condenseur EV Evaporator DE Desurchauffeur MH Module hydraulique...

Page 21: ...Nombre Quantity Anzahl 1 Evaporateur Evaporator Verdampfer Type Type Typ Plaques bras es Brazed plates Gel teter Plattenw rmetauscher Contenance en eau litres Water capacity litres Fassungsverm gen L...

Page 22: ...ung kW 5 5 5 5 9 5 5 9 0 mmCE mmWG Vitesse de rotation Speed of rotation Drehzahl tr mn rpm U min 715 796 928 603 766 5 mmCE Puissance moteur Motor power Motorleistung kW 5 5 5 5 9 5 5 9 5 mmCE mmWG V...

Page 23: ...Nominal max current A 230 V 34 5 50 5 69 85 101 Nominal max current Max Nennstrom A 400V 20 1 29 4 40 2 49 5 58 8 230 400V 3ph 50Hz Terre Moteur ventilateurs Fan motor Ventilatormotor Terre Neutre Ear...

Page 24: ...36 10 mmCE 230 V 140 163 184 198 234 Intensit nominale 10 mmCE 400 V 91 95 107 115 136 Intensit nominale maxi en A 15 mmCE 230 V 140 163 184 198 240 maxi en A Max nominal current in A Max Nennstrom in...

Page 25: ...uelles R cksetzen HP1 D clenchement 28 bar 0 5 R22 et R407C Triggered at 28 bar 0 5 High pressure switch Hochdruckf hler Manuelles R cksetzen RESET Taste HP1 Triggered at 28 bar 0 5 R22 and R407C Ausl...

Page 26: ...e Wassereintrittstemperatur C orateur orator mpfer Temp rature sortie eau Water outlet temperature Wasseraustrittstemperatur C Evapora Evapora Verdam Temp rature entr e liquide Refrigerant inlet tempe...

Page 27: ...ahresbetrieb bei jedem neuen Einschalten unbedingt durchzuf hren Zur Gew hrleistung des korrekten Betriebs des Kaltwassersatzes und der Garantiedeckung soll ten Sie einen Wartungsvertrag bei ihrem Ins...

Page 28: ...contact ouvert groupe l arr t voyant marche clignotant contact ferm groupe autoris fonc tionner Commande s lection consigne 1 consigne 2 Connect a contact C2 to terminals 2 and 4 of the connector J2 o...

Page 29: ...e 25 C for restarts in cooling mode Ein Relais C3 an die Anschl sse des Steckers der CPU anschlie en potentialfreier Kontakt Relais offen K LTEBETRIEB Relais geschlossen HEIZBETRIEB WICHTIG Es ist wic...

Page 30: ...or Connection precautions Note all inputs Hot cold selection Forced control of stages Automatic control Bypass control Setpoint 1 setpoint 2 selection must be polarity free and of high quality Distanc...

Reviews: