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I&O manual

 

4

 

 

Controller installation place

 

2.1.8 Prolonged shutdown

 

 

For safety, please shut off the power before maintenance.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

    

Cooling 

    

Heating

 

 

Fig.2-4

 

 

 

INSTALLATION PLACE INSTRUCTION

 

 

(For suspending mounted, it is not allowed to install the controller in 

here.)

 

 

CAUTION

 

 

IMPORTANT!

 

If the unit is not used during the  winter  period, the  water 
contained in the system may freeze.

 

 

If  the  machine  is  going  to  be  out  of  use  for  long  periods  of 
time, it is  necessary  to disconnect the unit from the mains  by 
opening the main switch (which is required to be fitted by the 
installer).

 

If the unit is not used during the  winter  period, the  water 
contained in undertaken in good time.

 

Alternatively, a suitable quantity of anti-freeze should be 
mixed with the water.

 

 

2.1.9 Startup after prolonged shutdown

 

 

Before starting up the unit again: 

Clean or change the air filters: 

Clean the heat-exchanger.

 

Clean the condensation collector tray drain tube or make sure it 
is clear.

 

 

Bleed any air from the water system.

 

 

It  is  advisable  to  run  the  unit  at  maximum  speed  for  several 
hours.

 

 

2.2  Cleaning the unit

 

 

 

CAUTION

 

 

 

 

 

 

 

 

 

Controller can be only installed in 3-way valve side. 
Information about further risks and unavoidable hazards 
installation manual for controller.

 

DANGER!

 

Always  switch  off  the  electric  power  before  beginning 
cleaning or maintenance operations.

 

Do not spill water on the unit.

 

 

In  versions  with  casing, it  is  possible  to  clean the  outside  of 
the  unit.  For  cleaning,  use  a  soft  cloth  dampened  with  water 
and  alcohol.  Do  not  use  hot  water,  solvents  or  abrasives,  or 
corrosive substances.

 

 

Cleaning the air filter

 

 

Fig.2-5

 

 

The  following  operations  can  be  carried  out  using  the  control 
panels:

 

 

Start/stop the unit.

 

 

Select between the three blower speeds.

 

 

Thermostat adjustment and maintenance of the desired ambient 
temperature.

 

 

Switching between operation modes: cooling and heating. 

Constant ventilation control.

 

Specific  instructions  for  use  are  supplied  with  the  controllers 
themselves.

 

To  ensure  correct  air  intake,  the  air  filter  must  be  cleaned  at 
least  once  a  month, or  more  frequently  if  the  unit  is  being 
used  in  very  dusty  environments.  The  filter  must  always  be 
removed from the unit for cleaning.

 

The filter is housed in the lower part of the unit in versions II

 

and III which take in air from below or from  the rear.

 

 

To remove  the filter in versions II and  III  proceed  as following 
indicated.

 

 

 

 

Fig.2-6

 

Summary of Contents for KFC-S-2T-250D

Page 1: ...il Unit KFC S 2T 250D KFC S 2T 400D KFC S 2T 500D KFC S 2T 900D KFC SE 2T 250D KFC SE 2T 400D KFC SE 2T 500D KFC SE 2T 900D Thank you very much for purchasing our fan coil unit before using your unit please read this manual carefully and keep it for future reference ...

Page 2: ......

Page 3: ...t of refrigerant leakage Contact the place of purchase for more information Excessive refrigerant in a closed ambient can lead to oxygen deficiency Use the attached accessories parts and specified parts for installation otherwise it will cause the set to fall water leakage electrical shock and fire The appliance must be installed 2 3m above floor The appliance shall not be installed in the laundry...

Page 4: ...sary Don t install the air conditioner in the following locations There is petrolatum existing There is salty air surrounding near the coast There is caustic gas the sulfide for example existing in the air near a hot spring The Volt vibrates violently in the factories In buses or cabinets In kitchen where it is full of oil gas There is strong electromagnetic wave existing There are inflammable mat...

Page 5: ... Built in version II VERSION I Fig 2 2 2 The phenomenon is normal that the surface of air conditioning may condense water when the relative larger humidity in room please close the door and window 3 Optimum performance will be achieved within these Supply voltage 220 240V 1ph 50Hz Finned coil type heat exchanger consisting of copper tubes and aluminum fins with connections on the left reversible t...

Page 6: ...ntroller can be only installed in 3 way valve side Information about further risks and unavoidable hazards installation manual for controller DANGER Always switch off the electric power before beginning cleaning or maintenance operations Do not spill water on the unit In versions with casing it is possible to clean the outside of the unit For cleaning use a soft cloth dampened with water and alcoh...

Page 7: ...LATION The units should only be moved and lifted by specialized personnel trained in these operations Check on arrival that the unit has not been damaged during transport and that it is complete with all its parts DANGER Movement of the unit should be performed with care in order to avoid damage to the external structure and to the internal mechanical and electrical components Also make sure that ...

Page 8: ... according to national or local rules in force at the time of installation For installation follow the instructions set out below Remove the external casing in versions I and II unscrewing the screws which secure it to the structure as following indicated Fig 3 2 Version a a b Fig 3 4 b a a Fig 3 3 Mark out the fixing points on the wall or ceiling either by marking through the drillings in the uni...

Page 9: ...e drainage connector on the unit How to turn the coil round from fittings on the left standard to fittings on the right The unit is supplied as standard with connections to the coil on the left It is possible however to turn the coil round so that the connections are on the right The operation of turning the principal and supplementary coils round can be carried out with the unit in situ but it is...

Page 10: ...qualified personnel in compliance with the regulations in effect in the country where the unit is installed The company shall not be held liable for damage to persons or property caused by incorrect electrical connection The power cord type designation is H05RN R or above H07RN F This appliance can be children aged from 8 years and above and persons with reduced physical sensory or mental capabili...

Page 11: ...intake grilles Disconnect the power supply before cleaning and maintenance Use dry cloth to clean the unit Always disconnect the unit from the mains power supply at the main isolator switch before carrying out maintenance work or checks Make sure that no one accidentally supplies power to the machine lock the main switch in the Off position SCHEDULED MAINTENANCE Once a month Check the state of cle...

Page 12: ...t to adhere scrupulously to the following procedures The unit should only be dismantled by a firm authorized for the disposal of scrap machinery The unit is composed of materials considered as secondary raw materials and the following conditions must be observed 1 If the system has antifreeze as an additive it must not be just dumped because it causes pollution It should be collected and suitably ...

Page 13: ...Fig 4 1 46 105 55 140 D Fig 4 2 185 207 Fig 4 3 150 150 Fig 4 4 Table 4 1 VERSION I 150 250 300 400 450 500 600 800 900 A mm 800 800 1000 1000 1200 1200 1500 1500 1500 B mm 584 584 784 784 984 984 1284 1284 1284 C mm 500 500 700 700 900 900 1200 1200 1200 D mm 526 526 726 726 926 926 1226 1226 1226 ...

Page 14: ...46 105 D B Fig 4 6 A C 185 Fig 4 7 Fig 4 8 Table 4 2 VERSION 150 250 300 400 450 500 600 800 900 A mm 550 550 750 750 950 950 1250 1250 1250 B mm 526 526 726 726 926 926 1226 1226 1226 C mm 500 500 700 700 900 900 1200 1200 1200 D mm 500 532 732 732 932 932 1232 1232 1232 ...

Page 15: ...4G M 16mm Power supply 220 240V 1ph 50Hz In the following conditions ambient temperature 27 C D B 19 CW B temperature of inlet water 7 C with t5 C at high speed In the following conditions ambient temperature 20 C temperature of inlet water 70 C with t10 C at high speed The A weighted sound pressure level is below 70dB soundpressurelevelindB A refers to a measurement taken at 1m from the point of ...

Page 16: ...MD15IU 015CW DZ1 16126200A06812 ...

Page 17: ...I O manual 15 ...

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Page 19: ...I O manual 17 ...

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