CLIVET SAHU 01 Manual For Installation, Use And Maintenance
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CLIVET SAHU 01 Manual For Installation, Use And Maintenance

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M0SA00002-01 10-20

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Summary of Contents for CLIVET SAHU 01

  • Page 1 M0SA00002-01 10-20...
  • Page 2 Yours faithfully. CLIVET Spa The data contained in this manual is not binding and may be changed by the manufacturer without prior notice. Reproduction, even is part, is FORBIDDEN © Copyright - CLIVET S.p.A. - Feltre (BL) - Italia...

  • Page 4: Safety Considerations

    1 SAFETY CONSIDERATIONS Manual Pay particular attention to: The manual provides correct unit installation, use and It is  Warning / prohibited / danger advisable to read it carefully so you will save time during indicate particularly important operations. operations or information, operations that must not be carried out, that Follow the written indications so you will not cause damages to compromise the operating of the...

  • Page 5: User Training

    Modification All unit modifications will end the warranty coverage and the manufacturer responsibility. Breakdown/Malfunction Disable the unit immediately in case of breakdown or malfunction. Contact a constructor certified assistance service. Use original spares parts only. Using the unit in case of breakdown or malfunction: voids the warranty ...

  • Page 6: Unit Identification

    Unit identification The serial number label is positioned on the unit and allows to indentify all the unit features. It reports the regulations indications such as: Unit type  Serial number (12 characters)  Year of manufacture  Wiring diagram number ...
  • Page 7  The coil can be: a water coil, for 2 or 4-pipe systems  a direct expansion coil, for connection to Clivet VRF and Mini VRF systems  The coil couplings can be: on the right side ...

  • Page 8: Delivery Control

    3 RICEPTION Delivery control Before accepting the delivery you have to check: That the unit hasn’t been damaged during transport.  Check that the materials delivered correspond with that  indicated on the transport document comparing the data with the identification label positioned on the packaging. In case of damage or anomaly: Write down on the transport document the damage you found ...
  • Page 9 4 POSITIONING General The unit must be level.  Installation must be in accordance with local regulations. If they do not exist, follow EN378. During positioning consider these elements: customer approval  unit weight and bearing point capacity;  safe accessible position ...

  • Page 10: Functional Clearances

    Functional clearances The functional clearances have to: guarantee the unit good operating  allow the maintenance operations  safeguard the authorized operators and the exposed person.   Respect all functional spaces...

  • Page 11: Water Connections

    WATER CONNECTIONS Condensate discharge connection The condensate must be disposed in order to avoid damages to people and things. Unit discharge fitting: Connect the condensate discharge to a rainwater drain.  the connection must avoid the transmission of mechanical  stresses and must be performed paying attention to avoid the damaging of the unit discharge fitting.

  • Page 12: Water Quality

    Only units with water coil and control Hidraulic system The pipes must be designed and manufactured to limit pressure drops as much as possible, i.e. optimise performance of the system. Keep the following to a minimum:  overall length  number of bends ...
  • Page 13 Only units with water coil and control Modulating 3-way valve Option. installation made by the Customer 2 pipe system: a valve. 4 pipe system: two valve. pcs. See chapter Electrical connections. Only units with water coil Operation sequence Before starting the unit: Close all vent valves in the high points of the unit hydraulic ...

  • Page 14: Aeraulic Connections

    6 AERAULIC CONNECTIONS General Proper execution and sizing of air connections are essential for ensuring correct operation of the unit and an acceptable level of silence in the room. When designing and creating ducts, consider PRESSURE DROPS, FLOW RATE and AIR SPEED which need to be compatible with the characteristics of the unit.

  • Page 15: Electrical Connections

    ELECTRICAL CONNECTIONS The characteristics of the electrical lines must be determined by specialized personnel able to design electrical installations; moreover, the lines must be in conformity with regulations in force. The protection devices of the unit power line must be able to stop the presumed short circuit current, whose value must be determined in function of system features The power cables and the protection cable section must be...

  • Page 16: Power Supply Input

    Do not lay the cables parallel to other cables; cable crossings are possible, only if laid at 90°. Connect the screen to the ground, only if there aren’t disturbances . Guarantee the continuity of the screen for the entire extension of the cable.

  • Page 17: Electrical Wiring Diagram

    Only unit with water coil and control Electrical wiringdiagram...
  • Page 18 Only unit with water coil and control Connections perfomer by c ustomer HID-T2 Thermostat The choice of the installation point is important for the comfort of the served area and the energy consumptions. The thermostat must be positioned: in a room with medium temperature and humidity conditions, ...
  • Page 19 Only unit with water coil and control Connections perfomer by customer Input configurabl e Damper Mod ul ating valves for 2 or 4 pipe systems...

  • Page 20: Temperature Probe

    Only unit with water coil and control Temperature probe room temperature control probe only use when the room thermostat probe cannot be employed install on the air return of the unit option to be activated at first start-up antifreeze probe install on the coil, water inlet use a cold water coil on 4-pipe systems Heating el ements...
  • Page 21 Only unit with water coil and control RS 485 serial port - Option Check that the routing of the cable to connect the serial lines has the following characteristics Cable: Couple of conductors twisted and shielded  Section of conductor 0,22mm …0,35mm ...
  • Page 22 Only unit with direct expansion coil Connections perfomer by customer Principle scheme. For connection, refer to the manuals of VRF / MiniVRF, AHU KIT, KJR-29-B unit SAHU AHU KIT Unit VRF / Mini VRF KJR-29-B Sensor T1 T2 T2B liquid line gas line...

  • Page 23: Preliminary Checks

    8 START-UP General  The indicated operations should be done by qualified technician with specific training on the product. The electrical and hydraulic connections upon request; the remaining work on the system is the responsibility of the installer. Agree upon the start-up date with the service centre sufficiently in advance.

  • Page 24: Start-Up Sequence

    Start-up sequence Power unit ON off-load voltage measure  phase sequence check  unit ON  measure return and supply water temperature  check no anomalous vibrations are present  complete and available unit documentation  Refrigerantion circuit Only unit with direct expansion exchanger Refer to the manuals of the VRF, MiniVRF and AHU KIT unit ...

  • Page 25: Electrical Circuit

    Electrical circuit Verify that the unit is connected to the ground plant. Check tightening of the conductors: the vibrations caused by handling and transport might cause loosing . Feed the unit by closing the sectioning device, but leave it on OFF.

  • Page 26: Fan Speed Setting

    Only unit with fan with belt and pulley transm ission . Remove any safety locking devices from the fan assembly, leaving the shock absorbers in operation. Check the alignment of the pulley and the tension of the belts (see "Maintenance"). Check the correct direction of rotation of the fan, in reference to the arrow applied.
  • Page 27 Starting report Reading the objective operating conditions is useful for checking the unit over time. With unit of full load, namely in stable conditions and close to those of work, take the following data: Tension and general absorptions with unit at full load Absorption of varied electrical loads (compressors, fans, pumps etc) Temperatures and capacities of different liquid (water, air) in the...
  • Page 28 Only unit with water coil and control 9 CONTROL The unit is fitted with a CTS electronic module, which must be connected to the HID-T2 room thermostat. This configuration allows for the use of: modulating valve for 2-pipe systems (HEAT/COOL v.); option ...
  • Page 29 Only unit with water coil and control CONFIGURABLE INPUTS The unit is produced with the auxiliary inputs disabled. They can be configured as shown in the following table. Changes to the factory configuration can only be made by service centres. parametrer input value...
  • Page 30 Only unit with water coil and control visible if unit managed by NET (if present) set-point visible in ECO mode visible with unit in 21.0 HEATING REMOTE AUTO visible with unit visible if the cooling/ in COOLING heating choice is AUTOMATIC OPERATION The unit has 2 set-points: one for heating and one for cooling.
  • Page 31 Only unit with water coil and control Modify the set-point Pressing on the arrows raises or lowers set-point of the actual operation (heating, ECO heat., cooling ECO cool.). The difference between the two set-points can not be less than 1°C and this value is automatically maintained.
  • Page 32 Only unit with water coil and control Change of automatic mode – 2-pipe unit In this mode, a neutral zone is foreseen when the unit is positioned in a CHANGE OVER status for a time sufficient to probe water temperature. The status is displayed by a “CO”...
  • Page 33 Only unit with water coil and control Management of the 2 valves - 4-pipe unit The system can control 2 ON-OFF valves, one for heat and the other for cold; they are connected to the basic module. The valve is opened when the thermo-regulator asks for power COOLING HEATING valve...
  • Page 34 Only unit with water coil and control ELECTRIC RESISTAN CES The electric resistance operating mode is defined by the following parameters: P27 ModeRes 0 integration element (ventilation forced at max.) 1 main element (manual or automatic ventilation) P53 OutResType 1 single-phase 2 two-phase 3 0 –...
  • Page 35 Only unit with water coil and control ALARMS VISIBLE B Y THE DISPLAY BEFORE RESETTING AN ALARM, IDENTIFY AND ELIMINATE THE CAUSE OF THE STOP; REPEATED RESETS CAN CAUSE IRREVERSIBLE DAMAGE. The ALARMS show a potentially dangerous situation for the unit. Before resetting an alarm, identify and eliminate the cause of the stop;...
  • Page 36 Only unit with water coil and control ACCESS TO PARAMETERS For the standard use, the access to parameters is not necessary. The following operations are necessary for calibrations and configurations, they are expressly addressed to the authorized assistance centres or qualified technicians. Switch on and off the thermostat with the ON-OFF key and wait until the display shows the set-point.
  • Page 37 Only unit with water coil and control PARAMETERS ACCESSIBLE B Y THE THERMOSTAT Par Description range Default P01 BandaLavoro : Operating band 0 ¸ 15.0 °C P11 SetUrHeat: Relative humidity setpoint in heat mode 30 - 70 H2Oalarm Defines if and when you have control of the H2O 0 - 3 0= Never, 1= Always, 2= Winter only, 3= Summer only Priority...
  • Page 38 Only unit with water coil and control Stata Par Description range Default S01 TESToperativa : EXTToperational °C S02 TH2Ooperativa: H2OToperational °C S03 TARIAoperativa: AIRToperational °C S04 Uroperativa: Rhoperational S05 Modo attuale: Current mode bitmap S06 SetpointAttuale: CurrentSetpoint °C S07 Set umidità attuale: Current humidity setpoint S08 Errori bitmap: Bitmap errors bitmap S09 umidifica attiva : active humidification...

  • Page 39: Maintenance

    MAINTENANCE General Maintenance must be done by authorized centres or by qualified personnel. The maintenance enables: maintain the unit efficiency;  reduce the deterioration speed to whom every equipment is  subject over time; assemble information and data to understand the state of the ...

  • Page 40: Recommended Periodic Checks

    Recommended periodic checks interval check (months) √ □ Presence of corrosions □ Panel fixing □ Fan fixing □ Drain pain cleaning + sanification □ Condensate discharge test □ Air filter cleaning □ Earthing connection check □ Electric panel cleaning □ Capacity contactor status, □...

  • Page 41: Condensate Discharge

    Condensate discharge Dirt or scale could cause blockages. Also in the drain pain can proliferate microorganisms and mold. To provide for a periodic cleaning with appropriate detergents and in case a disinfection with sanitizing products. When the clearing is finished, put some water in the drain pain to check the regular down flow.
  • Page 42 Pulleys Only unit with fan with belt and pulley transm ission . The transmission pulleys are fitted to the shafts using conical locking bushes that allow easy replacement. DISMANTLING Completely unscrew the locking screws, and fully tighten one of them in the removal opening until the pulley is released. ASSEMBLY Carefully clean the conical bore of the pulley.
  • Page 43 11 DECOMMISSIONING Disconnection the cooling circuit to be collected;  Before performing any intervention, read the warnings mixtures with antifreeze in the water circuit, the  in the Maintenance chapter. contents of which are to be collected; Avoid leak or spills into the environment. •...

  • Page 44: Residual Risks

    RESIDUAL RISKS Contact the authorised service centre to identify General and resolve the problem at the source of the In this section the most common situations are anomaly. signalled. As these cannot be controlled by the Accidental contact with exchange batteries, manufacturer these could be a source of risk compressors, air delivery tubes or other situations for people or things.

  • Page 45: Moving Parts

    When voltage is necessary for the circuit open the isolator on the attachment line of the unit itself, padlock it and display the appropriate warning shield. Moving parts Contact with the transmissions or with the fan aspiration can cause injuries. Prior to entering the inside of the unit open the isolator situated on the connection line of the unit itself, padlock and display the suitable sign.
  • Page 46 Ceiling positioning GRANDEZZA (mm) (mm) (mm) (mm) (mm) 1100 1100 1100 1120 1160 1080 1300 1280 1320 1240 1350 1500 1540 1460 1350 1720 1760 1680 1350 1890 1930 1850 1350 2510 2550 2470...
  • Page 47 Unit with centrifugal fan with belt and pulley transmission (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) 1100 1100 166.5 1100 1100 166.5 1100 1100 1120 1084 166.5 1300 1300 1280 1244 466.5 199.5 1350 1350 1500 1464 544.5 217.5...
  • Page 48 Unit with plug fan EC (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) 1100 1100 1100 1100 1100 1100 1120 1084 1300 1300 1280 1244 1080 1350 1350 1500 1464 1300 1350 1570 1720 1684 1520 1350 1870 1890 1854...
  • Page 50 Via Camp Lonc 25, Z.I. Villapaiera 32032 Feltre (BL) - Italy Tel. +39 0439 3131 - Fax +39 0439 313300 info@clivet.it...

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