CIAT CIATCOOLER LJA Series Installation, Operation, Commissioning, Maintenance Download Page 23

24

Option protection anti-
gel pour application
extérieure

Frost protection option
for external application

Sonderausstattung

Frostschutz

LJA  LJAH

350

400

450

500

600

Puissance / 

Power / Leistung

W

500

Intensité
Current

230 V*

A

2.17

Current
Stromstärke

400 V

A

1.25

Nota : ces intensités doivent être addi-
tionnées aux intensités nominales maxi-
mum des groupes LJA - LJAH

Caractéristiques électri-
ques

CIATCOOLER LJA - LJAH

1 et 2 compresseurs, 1 circuit frigorifique

Note: these current values must be added
to the nominal maximum current for the
LJA - LJAH units.

Electrical characteris-
tics

CIATCOOLER LJA - LJAH

1 and 2 compressors, 1 cooling circuit

Hinweis: Die Stromstärke ist zu dem max. Nenn

strom der Kaltwassersätze LJA  LJAH hinzuzu

rechnen.

Elektrische Daten

CIATCOOLER LJA  LJAH
1 und 2 Verdichter, 1 Kältekreis

LJA  LJAH

100

150

200

250

300

Compresseur(s)

Compressor(s)

Verdichter

Intensité nominale maxi
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

+ Earth + N

E d

N

Intensité nominale 
Nominal current

A

230 V*

8.9

15.9

15.9

20.7

27.7

+ Erde + N

Nominal current

Max. Nennstrom

A

400V

5.2

9.2

9.2

12

16

Pompe eau glacée

Chilled water pump

Kaltwasserpumpe

Intensité nominale 
Nominal current

A

230 V*

2.8

4.7

8.5

Nominal current

Max. Nennstrom

A

400V

1.6

2.7

4.9

LJA

Compresseur(s) + moteur ventilateur 

Compressor(s) + fan motor

Verd Ventilatormotor

LJA

Intensité nominale maxi 
Nominal max current

A

230 V*

43.4

66.4

84.9

105.7

128.7

Nominal max. current

Max. Nennstrom

A

400V

25.3

38.6

49.4

61.5

74.8

Compresseur(s) + moteur venti Pompe 

Compressor(s) + fan motor + pump

Verd Ventilato Pumpe

LJAH

Intensité nominale 
Nominal current

A

230 V*

46.2

71.1

89.6

110.4

133.6

Nominal current

Max. Nennstrom

A

400V

26.9

41.3

52.1

64.2

79.7

* 230 V - 3 ph : tension réglementée en
France.

* 230 V - 3 phase: regulatory voltage in
France.

* 230 V  3 ph: Normalspannung in Frankreick.

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...

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