CLIMAVENETA i-ACCURATE i-AX Installation Manual - User And Maintenance
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CLIMAVENETA i-ACCURATE i-AX Installation Manual - User And Maintenance

Precision air-conditioners
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INSTALLATION MANUAL - USER AND MAINTENANCE
Precision air-conditioners
i-ACCURATE
i-AX
Direct Expansion
Air Cooled
i-AW
Direct Expansion
Water Cooled
i-AD
Dual Fluid
Air Cooled
i-AT
Dual Fluid
Water Cooled
i-AF
Free Cooling
Water Cooled
EN
frame 2:
18
frame 3:
29
frame 4:
50
frame 5:
70
frame 6:
90
frame 7:
130-150

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Summary of Contents for CLIMAVENETA i-ACCURATE i-AX

  • Page 1 INSTALLATION MANUAL - USER AND MAINTENANCE Precision air-conditioners i-ACCURATE i-AX Direct Expansion Air Cooled i-AW Direct Expansion Water Cooled i-AD Dual Fluid Air Cooled i-AT Dual Fluid Water Cooled i-AF Free Cooling Water Cooled frame 2: frame 3: frame 4: frame 5: frame 6: frame 7:...

  • Page 3: Table Of Contents

    WARNING = for actions that require special dangers that may derive from care and suitable preparation electricity (IEV 826-09-01). PROHIBITED = for actions that absolutely MUST NOT be performed i-ACCURATE i-AX - i-AW - i-AD - i-AT - i-AF English 09/10...
  • Page 4 The coil, installed upstream of the fans for perfect air distrib- ution, is fitted with a stainless steel pan with hose to drain the condensate. English 09/10 i-ACCURATE i-AX - i-AW - i-AD - i-AT - i-AF...
  • Page 5 - oil separator (in the circuit with inverter-driven compressor) - external connections with cocks; - low and high pressure switches (with manual reset). WATER CONDENSER (water-cooled models) with braze welded stainless steel plates. i-ACCURATE i-AX - i-AW - i-AD - i-AT - i-AF English 09/10...
  • Page 6 Note 1: unit and outdoor condensers supplied separately Note 2: the indoor unit is delivered charged with nitrogen at i-AW - water cooled i-AX - air cooled English 09/10 i-ACCURATE i-AX - i-AW - i-AD - i-AT - i-AF...
  • Page 7 The unit is fitted with a modulating 3-way valve to control the flow of cooling fluid to the indoor heat exchanger and maintain the desired conditions. i-AF - water cooled i-AD - air cooled i-ACCURATE i-AX - i-AW - i-AD - i-AT - i-AF English 09/10...
  • Page 8 Remember that the units are supplied without the system circu- lating pump. i-AT - water cooled English 09/10 i-ACCURATE i-AX - i-AW - i-AD - i-AT - i-AF...
  • Page 9 5 fig. 6 5 UNDER units with intake from the top and front outlet 6 UNDER units with intake from the top and outlet under plenum. the floor i-ACCURATE i-AX - i-AW - i-AD - i-AT - i-AF English 09/10...
  • Page 10 1 - Inside air 24°C-50%, Cond. temperature 45°C - ESP 20Pa 5 - Measured at a height of 1.5 m and 2 m from the front of the unit in free field English 09/10 i-ACCURATE i-AX - i-AW - i-AD - i-AT - i-AF...
  • Page 11 5 - measured at a height of 1.5 m and 2 m from the front of the unit in free field * PAY ATTENTIONS: PIPELINE DIMENSIONS MUST BE CALCULATED FROM INSTALLED LOCALLY, FOLLOWING THE INSTRUCTION ON WATER CONNECTIONS PARAGRAPHS i-ACCURATE i-AX - i-AW - i-AD - i-AT - i-AF English 09/10...
  • Page 12 5 - Measured at h=1,5 m height and 2 m front in free fie * PAY ATTENTIONS: PIPELINE DIMENSIONS MUST BE CALCULATED FROM INSTALLED LOCALLY, FOLLOWING THE INSTRUCTION ON WATER CONNECTIONS PARAGRAPHS English 09/10 i-ACCURATE i-AX - i-AW - i-AD - i-AT - i-AF...
  • Page 13 5 - Measured at h=1,5 m height and 2 m front in free fie * PAY ATTENTIONS: PIPELINE DIMENSIONS MUST BE CALCULATED FROM INSTALLED LOCALLY, FOLLOWING THE INSTRUCTION ON WATER CONNECTIONS PARAGRAPHS i-ACCURATE i-AX - i-AW - i-AD - i-AT - i-AF English 09/10...
  • Page 14 3560 3530 3530 Total pressure drops (6) Water connections inch 4 - water IN / OUT 70°C/60°C, air 20°C 6 - water IN / OUT 45°C/40°C, air 20°C English 09/10 i-ACCURATE i-AX - i-AW - i-AD - i-AT - i-AF...
  • Page 15 This is for safety reasons, so as to not have to shut the unit down during normal maintenance operations. WARNING: before restarting the air-conditioner, always check that all the panels have been correctly replaced. i-ACCURATE i-AX - i-AW - i-AD - i-AT - i-AF English 09/10...
  • Page 16 If the side panels have been damaged during transport, they must be replaced before installing the unit. English 09/10 i-ACCURATE i-AX - i-AW - i-AD - i-AT - i-AF...

  • Page 17: Dimensions And Weight

    The drawings represent the configuration with air intake from the front. Net Weights Frame Mod. i-AX (kg) 1030 1050 i-AW (kg) 1120 1140 i-AD (kg) 1060 i-AT (kg) 1150 i-AF (kg) 1150 i-ACCURATE i-AX - i-AW - i-AD - i-AT - i-AF English 09/10...
  • Page 18 The drawings represent the configuration with air intake from the front. Net Weights Frame Mod. i-AX (kg) 1030 1050 i-AW (kg) 1120 1140 i-AD (kg) 1060 i-AT (kg) 1150 i-AF (kg) 1150 English 09/10 i-ACCURATE i-AX - i-AW - i-AD - i-AT - i-AF...
  • Page 19 UNDER Models Frame 3 UNDER Models Frame 4 Net Weights Frame Mod. i-AX (kg) 1030 1050 i-AW (kg) 1120 1140 i-AD (kg) 1060 i-AT (kg) 1150 i-AF (kg) 1150 i-ACCURATE i-AX - i-AW - i-AD - i-AT - i-AF English 09/10...
  • Page 20 UNDER Models Frame 6 UNDER Models Frame 7 Net Weights Frame Mod. i-AX (kg) 1030 1050 i-AW (kg) 1120 1140 i-AD (kg) 1060 i-AT (kg) 1150 i-AF (kg) 1150 English 09/10 i-ACCURATE i-AX - i-AW - i-AD - i-AT - i-AF...
  • Page 21 Make sure that the air intake and outlet are never blocked, even partially. D (mm) >600 E (mm) L (mm) i-ACCURATE i-AX - i-AW - i-AD - i-AT - i-AF English 09/10...

  • Page 22: Operating Limits

    In this case too, the air-conditioner must be screwed to the base unit moulding moulding during the positioning phase. Access to the inlet/outlet connections from the rear A1 (mm) 1000 1530 2080 2630 2630 2630 C1 (mm) English 09/10 i-ACCURATE i-AX - i-AW - i-AD - i-AT - i-AF...
  • Page 23 For ducting the air intake, plenums are available to be fitted between the top of the unit and the air return duct or the false- ceiling. L (mm) 1000 1550 2100 2650 P (mm) H (mm) i-ACCURATE i-AX - i-AW - i-AD - i-AT - i-AF English 09/10...
  • Page 24 FRONT OUTLET MOULDING (UNDER UNITS) The figure shows the moulding for the front air outlet (optional for Under units). L (mm) 1000 1550 2100 2650 2650 2650 P (mm) H (mm) English 09/10 i-ACCURATE i-AX - i-AW - i-AD - i-AT - i-AF...
  • Page 25 The fresh air kit is supllied with G3 filter installed in suction side of fan, allowing to mix the fresh air with recirculating air. Connect a flexible pipe diameter 100mm (not supplied) as shown in the image below. The fresh air volume is around 5% of nominal air flow of unit. OVER UNDER i-ACCURATE i-AX - i-AW - i-AD - i-AT - i-AF English 09/10...
  • Page 26 OUT water cooled i-AW - i-AT - i-AF IN water i-AF - i-AT IN power supply IN humidifier water OUT humidifier water IN hot water OHW OUT hot water OUT condensate water drain English 09/10 i-ACCURATE i-AX - i-AW - i-AD - i-AT - i-AF...
  • Page 27 OUT water cooled circ. 1 i-AW - i-AF - i-AT IN water i-AF - i-AT IN power supply IN humidifier water OUT humidifier water IN hot water OHW OUT hot water i-ACCURATE i-AX - i-AW - i-AD - i-AT - i-AF English 09/10...
  • Page 28 OUT water cooled i-AW - i-AT - i-AF IN water i-AF - i-AT IN power supply IN humidifier water OUT humidifier water IN hot water OHW OUT hot water English 09/10 i-ACCURATE i-AX - i-AW - i-AD - i-AT - i-AF...
  • Page 29 IN refrigerant circ. 1 i-AX - i-AD OUT refrigerant circ. 1 i-AX - i-AD IN refrigerant circ. 2 i-AX - i-AD OUT refrigerant circ. 2 i-AX - i-AD i-ACCURATE i-AX - i-AW - i-AD - i-AT - i-AF English 09/10...

  • Page 30: Water Connections

    For different values of incrostation factor multiplay all datas reported on cooling capacity tables for factors reported on following table. Incrostation factor °C/W) 4,4 x10-5 0,86x10-4 1,72x10-4 Incrostation factor 0,96 0,93 Compressor factor 0,99 0,98 Total power factor 0,99 0,98 English 09/10 i-ACCURATE i-AX - i-AW - i-AD - i-AT - i-AF...
  • Page 31 • consider a water speed limit inside the pipeline of 1-1,2m/s • cross the water flow value requested (in the example 5.000l/h) • extract the pressure drop value of pipe diameter selected (in example 35mm w.c./m) i-ACCURATE i-AX - i-AW - i-AD - i-AT - i-AF English 09/10...
  • Page 32 9.000 8.000 8.000 7.000 7.000 6.000 6.000 5.000 5.000 4.000 4.000 3 .0 00 2 .0 00 1.000 1.000 12 14 16 18 Linear Pressure Drops, (mm w.c./m) English 09/10 i-ACCURATE i-AX - i-AW - i-AD - i-AT - i-AF...
  • Page 33 7.000 6.000 6.000 5.000 5.000 4.000 4.000 3 .0 00 .0 00 2 .0 00 .0 00 1.000 1.000 12 14 16 18 Linear Pressure Drops (mm w.c./m) i-ACCURATE i-AX - i-AW - i-AD - i-AT - i-AF English 09/10...
  • Page 34 N.B.: Install a non-return valve on the unit outlet, on the gas discharge pipe. The liquid pipes must be protected against solar radiation For two-circuit units (70-90-130-150), install an oil separator in the circuit with the ON/OFF compressor, for lengths exceeding 50m, see the paragraph OIL SEPARATORS. English 09/10 i-ACCURATE i-AX - i-AW - i-AD - i-AT - i-AF...
  • Page 35 0,75 2,10 1,90 0,53 0,26 0,80 2,20 2,00 0,55 0,27 0,85 2,40 2,10 0,60 0,30 0,95 2,70 2,40 0,70 0,35 1,10 3,20 2,80 0,80 0,45 1,30 4,00 3,30 i-ACCURATE i-AX - i-AW - i-AD - i-AT - i-AF English 09/10...

  • Page 36: Oil Separator

    Oil separators must be always pre-charged before its use, as described on the table, with the same oil of the compres- sor. Frame Models OIL SEPATATOR Models OS40 OS70 Precharge 0,3 lt 0,85 lt English 09/10 i-ACCURATE i-AX - i-AW - i-AD - i-AT - i-AF...

  • Page 37: Volume

    Liquid line gr/m N.B.: add lubricating oil equal to 10% of the weight of the gas, calculated only for the connection lines between the indoor and outdoor units. i-ACCURATE i-AX - i-AW - i-AD - i-AT - i-AF English 09/10...

  • Page 38: Condensate Drain

    - Fasten the ends of the power cable to the terminals on the main switch inside the electrical panel; fully tighten the screws. Connect the yellow-green earth wire to the special terminal marked 'PE'. English 09/10 i-ACCURATE i-AX - i-AW - i-AD - i-AT - i-AF...

  • Page 39: Electrical Specifications

    Modulating Humidifier Mod. V/ph/Hz n° kg/h FLA(A) 400/3/50 3,75 400/3/50 3,75 400/3/50 3,75 400/3/50 400/3/50 400/3/50 11,25 130-150 The above datas refer to the max. possible power consumption. i-ACCURATE i-AX - i-AW - i-AD - i-AT - i-AF English 09/10...
  • Page 40 13-23 / 23-33 / 33-43 14/24 / 24-34 / 34-44 SEZIONATORE i-BRE i-BRE DISCONNECTIONG SWITCH 1 fi 1 fi 1 fi 1 fi Example of outdoor unit with 4 fans English 09/10 i-ACCURATE i-AX - i-AW - i-AD - i-AT - i-AF...
  • Page 41 (-) to readjust the setting (see Fig. 2). Note: Partial voltage is applied even if motor is not running. Dis- connect voltage for service on motor or on regulator. i-ACCURATE i-AX - i-AW - i-AD - i-AT - i-AF English 09/10...

  • Page 42: Power Connections

    In some applications, where is required a second set point, is possible to switch from NORMAL (T1) to WINTER (T2) set point, by mean the contact SET T1/T2 connected with the right terminal strips on the electrical panel of internal unit. (see the electrical diagram supplied with the unit). English 09/10 i-ACCURATE i-AX - i-AW - i-AD - i-AT - i-AF...
  • Page 43 The “Language” menu item is used to set the language shown on the display. To return to the “Start” menu group, press the ESC combination (▼ + ▲). i-ACCURATE i-AX - i-AW - i-AD - i-AT - i-AF English 09/10...
  • Page 44 Once installation of the appliance has been completed, PIN protection should be activated (Controller configuration)! Example for programming Mode 2.01 under “Basic settings” ▲ Modo Modo Modo Modo English 09/10 i-ACCURATE i-AX - i-AW - i-AD - i-AT - i-AF...
  • Page 45 Displays the operating mode set (e.g. 2.01 for control based on temperature) Mode Appliance name Displays the name of the appliance and the software version Individual appliance number (Menu available depending on the type of appliance) i-ACCURATE i-AX - i-AW - i-AD - i-AT - i-AF English 09/10...
  • Page 46 Range of settings: 0 to 100 % Factory setting: 100 % To indicate that automatic control is disabled, the display shows the value set for manual operation alternating with the actual value.” English 09/10 i-ACCURATE i-AX - i-AW - i-AD - i-AT - i-AF...
  • Page 47 D1 D1 Sensor 1 “Set point 1” 2 “Set point 2” Operation with “set point 2” is signalled by the moon symbol for lower capacity operation. E1 actual i-ACCURATE i-AX - i-AW - i-AD - i-AT - i-AF English 09/10...
  • Page 48 E2 Funktion on two circuits). Refrigerant selection R13b1 R114 R134a R142B R227 R401 R401A R401B R402 R402A R402B R404A R407A R407B R407C R410A R500 R502 R503 R507 R717 English 09/10 i-ACCURATE i-AX - i-AW - i-AD - i-AT - i-AF...
  • Page 49 Range of settings: 0 to 100 % Factory setting: 100 % To indicate that automatic control is disabled, the display shows the value set for manual operation alternating with the actual value.” i-ACCURATE i-AX - i-AW - i-AD - i-AT - i-AF English 09/10...
  • Page 50 Deactivation status for minimum air volume “ON” = deactivation when reaching the set point (+/- value of “Deact. min. air vol.”). “OFF ” = no deactivation, i.e. operation with minimum air volume. Msco. English 09/10 i-ACCURATE i-AX - i-AW - i-AD - i-AT - i-AF...
  • Page 51 Press P to switch between the description of the message and the controller operating time. e.g. position 3 for the Motor 00009:01:08 Motor fault fault message. i-ACCURATE i-AX - i-AW - i-AD - i-AT - i-AF English 09/10...
  • Page 52 (input “E1”) Maximum limit val- ue signal. selectable Actual value with Check the setting and the sensor “Maximum alarm” Lmt E1 max. setting (input “E1 ”) English 09/10 i-ACCURATE i-AX - i-AW - i-AD - i-AT - i-AF...
  • Page 53 Check the motor and the connection, “TK/PTC” then reset * Code: Err = error AL = alarm Msg = message ** The relay switches based on the programmed function i-ACCURATE i-AX - i-AW - i-AD - i-AT - i-AF English 09/10...
  • Page 54 (water-cooled models); Check that the sections of corrugated pipe with the function of drain trap (both inside and outside of the air-conditioner) have been filled with water during installation. English 09/10 i-ACCURATE i-AX - i-AW - i-AD - i-AT - i-AF...

  • Page 55: Operation And Control

    "Installation manual". - Safety thermostat TH1 (in the versions with electric heaters), with the reset button accessible on the right-hand side of the electrical panel. i-ACCURATE i-AX - i-AW - i-AD - i-AT - i-AF English 09/10...

  • Page 56: Calibrating The Control And Safety Devices

    Safety thermostat (versions T and H) Symbol Activation Differential Reset 42 bar (opening) Manual reset 3 bar (opening) 1,4 bar 3,9 bar (automatic) 320 °C (opening) Manual reset English 09/10 i-ACCURATE i-AX - i-AW - i-AD - i-AT - i-AF...

  • Page 57: Calibrating The Pressure Control Valve

    - if the device is not activated, progressively reduce the calibra- tion of the pressure switch; - if the device is activated too early, increase the calibration. i-ACCURATE i-AX - i-AW - i-AD - i-AT - i-AF English 09/10...

  • Page 58: Temperature And Humidity Probe

    EMERGENCY MANUAL OPERATION The valve can be operated manually, in the event of faults to the servomotor or the control system, using the manual control knob (not supplied). English 09/10 i-ACCURATE i-AX - i-AW - i-AD - i-AT - i-AF...
  • Page 59 SSB... actuators cannot be repaired; the complete unit must be actuator to any position between 0 and 1. If a control signal from replaced. the controller is present, then this takes priority in determining the position. i-ACCURATE i-AX - i-AW - i-AD - i-AT - i-AF English 09/10...
  • Page 60 Calibration takes about 60 seconds. Repair The SSC... actuators cannot be repaired. They must be repla- ced as a complete unit. English 09/10 i-ACCURATE i-AX - i-AW - i-AD - i-AT - i-AF...
  • Page 61 4. Measured values saved in microprocessor Normal operation 5. Actuator moves to the position as indicated by signal Y green LED is lit permanently A flashing red LED indicates a calibration error. i-ACCURATE i-AX - i-AW - i-AD - i-AT - i-AF English 09/10...
  • Page 62 2 WAY VALVE CLOSE-OFF FRAME MODELS i-AT/i-AD Actuator Valve model close off* (kPa) *close off = Maximum permissible differential pressure at which the motorised valve will close securely against the pressure English 09/10 i-ACCURATE i-AX - i-AW - i-AD - i-AT - i-AF...

  • Page 63: Electric Heaters

    Water fill solenoid valve: YV1. Cylinder drain solenoid valve:YV2. Microprocessor control board:A1. 10 Temperature and humidity probe: BH1. 2. TA1 1. A3 9. B1 8. YV2 7. YV1 10. BH1 i-ACCURATE i-AX - i-AW - i-AD - i-AT - i-AF English 09/10...
  • Page 64 - remove and clean the filter located inside the solenoid valve fit- ting; - dismantle the drain assembly, clean the pipes and remove any flakes of scale from the cup-drain trap. English 09/10 i-ACCURATE i-AX - i-AW - i-AD - i-AT - i-AF...

  • Page 65: Humidifier Power Supply

    T) with mechanical features such as to be able to resist the Check that the head is sufficient to lift the condensate to the high temperatures of the water exiting the steam cylinder. point of drainage. i-ACCURATE i-AX - i-AW - i-AD - i-AT - i-AF English 09/10...

  • Page 66: Maintenance

    This operation must be carried out with the unit off and after having made sure that the appliance is disconnected from the power supply). English 09/10 i-ACCURATE i-AX - i-AW - i-AD - i-AT - i-AF...

  • Page 67: Dismantling

    The necessity to a correct dismantling is signed by the label as shown on side. i-ACCURATE i-AX - i-AW - i-AD - i-AT - i-AF English 09/10...

  • Page 68: Troubleshooting

    Check the operation of the hot gas three-way during the dehumidification plus post-heating valve; phase Check the operation of the compressor used for post-heating: in this case, see “THE COMPRESSOR/COMPRESSORS DON'T START”. English 09/10 i-ACCURATE i-AX - i-AW - i-AD - i-AT - i-AF...
  • Page 69 EC radial fan speed set too low Excessive pressure drop in the air distribution Check the sizing of the air distribution system system. (ducting, false-ceiling, underfloor plenum, grills) i-ACCURATE i-AX - i-AW - i-AD - i-AT - i-AF English 09/10...
  • Page 70 (See CONTROLLING THE CONDENSING PRESSURE) The system is affected by an excessive See “HIGH COMPRESSOR DISCHARGE discharge pressure PRESSURE”. English 09/10 i-ACCURATE i-AX - i-AW - i-AD - i-AT - i-AF...
  • Page 71 2°C. The system is affected by an excessively See “LOW COMPRESSOR DISCHARGE low discharge pressure PRESSURE”. i-ACCURATE i-AX - i-AW - i-AD - i-AT - i-AF English 09/10...
  • Page 72 88 Bai Yun Rd, Pudong Xinghuo New dev. zone 201419 Shanghai China Tel 008 621 575 055 66 Fax 008 621 575 057 97 Climaveneta Polska Sp. z o.o. Ul. Sienkiewicza 13A 05-120 Legionowo Poland Tel +48 22 766 34 55-57 Fax +48 22 784 39 09 info@climaveneta.pl...

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