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I N S T A L L A T I O N & O P E R A T I O N M A N U A L
MODELS:
(R410A)
FAN COIL UNITS
KFHC12H0EN1
KFHC20H0EN1
KFHC25H0EN1
KFHC30H0EN1
KFHC38H0EN1
KFHC48H0EN1
KFHC57H0EN1
KFHC65H0EN1
KFHC78H0EN1
Before using your unit, please read this manual carefully and keep it for future reference.
DK14-03.01.27
KFHE12H0EN1
KFHE20H0EN1
KFHE25H0EN1
KFHE30H0EN1
KFHE38H0EN1
KFHE48H0EN1
KFHE57H0EN1
KFHE65H0EN1
KFHE78H0EN1
Thank you very much for purchasing our fan coil unit,
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Summary of Contents for Kentatsu KFHC12H0EN1
- Page 1 I N S T A L L A T I O N & O P E R A T I O N M A N U A L FAN COIL UNITS MODELS: KFHE12H0EN1 (R410A) KFHC12H0EN1 KFHE20H0EN1 KFHC20H0EN1 KFHE25H0EN1 KFHC25H0EN1 KFHE30H0EN1...
- Page 2 Install according to this installation instructions strictly. CONTENT PAGE If installation is defective, it will cause water leakage, electrical shock and fire. PRECAUTION................1 When installing the unit in a small room, take measures USER....................2 against to keep refrigerant concentration from exceeding allowable safety limits in the event of refrigerant leakage.
- Page 3 2. USER CAUTION 2.1 Machine description Ground the air conditioner. Do not connect the ground wire to gas or water pipes, The fan-coil unit for the threatment of air in indoor lightning rod or a telephone ground wire.Incomplete environments,available in versions with casing,versions for grounding may result in electric shocks.
- Page 4 2.1.3 Versions with casing VERSION II Supply voltage 220-240V~ 1ph 50Hz; Finned coil type heat-exchanger consisting of copper tubes and aluminium fins,with connections on the left reversible to fit on the right. Three-speed centrifugal blower with aluminium blades statically dynamically babanced. Diretly-coupled motor equipped with internal thermal protection and condenser permanently in circuit.
- Page 5 2.1.7 Information about further risks and unavoidable hazards INSTALLATION PLACE INSTRUCTION (For suspending mounted, it is not allow to install the cabinet at here.) CAUTION Controller installation place IMPORTANT! Pay the utmost attention to the signs and symbols located on the appliance.
- Page 6 2.1.9 Startup after prolonged shutdown The air filter must be cleaned by blowing it out with compressed air or washing it in water.Before refitting the filter,make sure it is clean Before starting up the unit again: and completely dry.If the filter is damaged,it must be replaced with a genuine corresponding filter.
- Page 7 CAUTION Version DANGER! Movement of the unit should be performent with care,in order ≥ ≥ a to avoid damage to the external structure and to the internal mechanical and electrical components. Also make sure that there are no obstacles or people along the route,to avoid the danger of collisions or crushing and to prevent the lifting or handling device from turning over.
- Page 8 Table.3-1 3.2.1 HYDRAULIC CONNECTIONS Version Connection to the system a mm CAUTION CAUTION b mm IMPORTANT! It is most important that the hydraulic connections are made with great care by specialised fitters. Connect the unit to the water system by means of the fittings which 3.2 INSTALLATION are marked Flow and Return.
- Page 9 Antifrost protection. connect to the unit condensate discharge or defrosting tray. CAUTION IMPORTANT! When the unit is out of service,remember to arrange in good Fig.3-8 time for the entire water content in the circuit to be drained down. Creation of the trap IMPORTANT! Mixing the water with glycol modifies the performance of the The condensation drainage system must be fitted with a...
- Page 10 2. Install the pipe temperature sensor WIRING 1) Connect the pipe temperature sensor to the Temperature Controller (Note: Pipe temperature sensor be connected to the black wire of Temperature controller, while Room temperature INDOOR sensor be connected to white wire of temperature controller. ) 2) Mount up the casing.
- Page 11 SCHEDULED MAINTENANCE Pipeline system has been vacuumed before initial start the equipment (see Fig.3-14) Once a month Remove the connecting pipe’s side cover panel by cross Check the state of cleanliness of the air filters. screwdriver. The air filters are made of fibre and are washable in Remove the bolts that showed at the figure by slotted screw water.The state of cleanliness of the filters must be driver.
- Page 12 Procedure for refitting the heat-exchanger is a reversal of the above. DISMANTLING THE UNIT AND DISPOSAL OF HARMFUL SUBSTANCES PRESERVE THE ENVIRONMENT! We care about protecting the environment. When the unit is dismantled it is important to adhere scrupulously to the following procedures.
- Page 13 4. DIMENSIONS 4.1 VERSION I KFHC Fig.4-1 Fig.4-3 Fig.4-4 Fig.4-5 Table.4-1 VERSION I 1000 1000 1200 1200 1500 1500 1500 A(mm) 1284 1284 1284 B(mm) 1200 1200 1200 C(mm) 1226 1226 1226 D(mm) I&O manual...
- Page 14 4.2 VERSION II KFHE Fig.4-6 Fig.4-7 Fig.4-8 Fig.4-9 Table.4-2 VERSION 5 50 5 50 75 0 7 50 9 50 9 50 12 50 12 50 1 25 0 A (mm) B( mm) 5 26 5 26 72 6 7 26 9 26 9 26 12 26...
- Page 15 5. SPECIFICATION VERSION I Table.5-1 MODEL Cooling 1150 1870 2530 3270 3970 4850 5640 6520 7850 capacity(W)(*) Water flow 1122 1349 rate(L/h)(*) Water side pressure 18.3 10.1 14.2 10.3 24.6 11.4 12.1 drops(kPa)(*) Heating 1520 2530 3490 4580 5640 6980 8230 9580 11690...
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