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CHILLER 607NT-608NT User manual N - REV20160118_EN.docx 

Page 8 of 18 

 

 

 

 

 

 

If two or more units are connected in parallel a manifold with balancing valves is required. It is 

mandatory when using a manifold to assure the correct water flow to each unit, as follows: 
 

Chiller / Heat 

Fresh water flow (m3/h) 

Pipe inner 

Sea water flow (m3/h)  Pipe inner 

Pump unit 

min 

MAX 

Ø mm 

min 

MAX 

Ø mm 

607NT 

1.5 2.5 25  1.2 1.8 

20 

608NT 

2.0 3.0 25  2.4 3.6 

25 

 
 

Chiller / Heat 

Fresh water flow   Pressure drop  

Sea water flow 

Pressure drop  

 

(m3/h) 

Fresh water (kPa) 

(m³/h) 

Sea water (kPa) 

607NT 

1.5 

30 

1.3 

60 

608NT 

2.0 

38 

2.5 

50 

 

 

 

1.

 

Sea water circulation.

 Before starting the unit check that the water flow is correct, without any 

air bubble inside the circuit;  pumps shall be located below the water line at all times, as they 

are not self-priming. Operation with poor water circulation can damage the compressor due 
to abnormal working pressure. Check weekly the sea water flow, considering the flow 

requirements indicated in the above table. 

2.

 

Clean your strainer weekly or more, depending on the region, due to the presence of jellyfish, 
seaweed, sand, and anything else that can clog strainers very quickly. Pump is not self-priming 

and it has to be installed below the water line with the outlet pointed upward so that if air 

enters the system it can pass through the pump. Damage incurred due to a pump running dry 
is not covered under warranty. 

3.

 

Sea water pump must be sized so that medium water velocity inside the coil is between 2 m/s 

and 3 m/s. Higher velocity may cause metal erosion while lower velocity may cause coil 
clogging. 

 

Fresh water  

INLET 

Fresh water  

Filter 

Sea water  

Zinc anod 

Sea water  

OUTLET 

Fresh water  

OUTLET 

Sea water  

INLET 

Содержание 607NT

Страница 1: ...gio 8 38089 STORO TN Italia Phone 39 0 465 670104 Web site www innovaenergie com eMail info innovaenergie com USER INSTRUCTION Air Conditioning System Air Conditioning Modular Unit 607NT 608NT INVERTE...

Страница 2: ...ge 4 3 1 Electrical requirements and wiring page 4 3 2 Mounting page 7 3 3 Remote control dry contact page 7 3 4 Hydraulic connections page 7 3 5 Maintenance page 9 3 6 Fan coil safety rules page 9 4...

Страница 3: ...nd loss of concentration At higher levels CNS depression and cardiac arrhythmia may result from exposure Vapour displaces air and can cause asphyxiation in confined spaces At higher temperatures 250 C...

Страница 4: ...ow and regulations of the country where the system is being mounted The electrical connections must be done following the wiring diagrams supplied with the unit WARNING Wires must be sized for the max...

Страница 5: ...CHILLER 607NT 608NT User manual N REV20160118_EN docx Page 5 of 18 Wiring diagrams To enable Warning Never remove PCB cover adversely warranty coverage will decline Terminal board...

Страница 6: ...onnection Max input power Circuit pump fuse Sea water pump fuse 607NT 2 2 kW 5 A 5 A 608NT 3 5 kW 5 A 5 A Fresh water Pump FUSE Sea water Pump FUSE Remote INPUT to ENABLE O ON OFF Comp S Seasonal E EC...

Страница 7: ...rrosion due to stray electrical current or voltage all metallic parts in contact with seawater must be connected to the ship s bonding system A zinc anode is mounted at the inlet of cupronickel heat e...

Страница 8: ...line at all times as they are not self priming Operation with poor water circulation can damage the compressor due to abnormal working pressure Check weekly the sea water flow considering the flow re...

Страница 9: ...to work harder resulting in reduced life span of equipments We recommend that you buy only the highest quality power cord and connectors 2 If applied to the Cupronickel condenser check the zinc anode...

Страница 10: ...ve purchased has been factory tested and it has overcome the safety electrical tests EN60204 1 Electronic control of the unit has been developed in order to obtain a product complying with the best qu...

Страница 11: ...CHILLER 607NT 608NT User manual N REV20160118_EN docx Page 11 of 18...

Страница 12: ...l input TI23 Seawater condenser outlet analogical input TI22 Suction compressor gas pressure analogical input PR1 Circulation fan coils water flow digital input DI1 Gas discharge pressure digital inpu...

Страница 13: ...ting Select operating mode cooling heating OFF Parameter reading sequences Normal set Menu Press DOWN Running status Press OK EEV step Plant temp need Sanit temp need Comp in press Press DOWN T status...

Страница 14: ...ical input TI21 Seawater condenser outlet analogical input TI22 Seawater condenser inlet analogical input TI23 Discharge compressor gas temperature analogical input TM2 Suction compressor gas temperat...

Страница 15: ...ter temperature 20 C Should working conditions be out of these ranges in your particular application please contact Innova before installation in order to find a suitable solution Localized situations...

Страница 16: ...ova factory if needed in the warranty period will be at the owner charge The responsibility of the owner of the equipment includes the following 1 To operate the equipment according to the manufacture...

Страница 17: ...CHILLER 607NT 608NT User manual N REV20160118_EN docx Page 17 of 18 NOTE...

Страница 18: ...ve the right to make changes to products as it deems necessary or useful without affecting Their main features The technical data presented in this document are not binding INNOVA S r l we reserve the...

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