CIAT AQUALIS 2 20 Installation, Operation, Commissioning, Maintenance Download Page 6

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Nothing should obstruct

the free flow of air over the air-cooled heat

exchanger

(suction and discharge).

Protect from prevailing winds

2-1-3 Weight and handling

Now that you have chosen a location for your unit, you may begin installing it. Bear in mind the weight and dimensions given in
this section.

Caution:

raise the unit carefully and keep it vertical.

Model

20 / 20 H

28 / 28 H

35 / 35H

35T / 35HT

50H

50T / 50HT 65T / 65HT 75T / 75HT

Weight without charge (kg)

120

139

142

Weight with charge (kg)

135

150

153

OPTION: Anti-vibration

mounts

Electrical

power supply

4 mounting points (M8 screws)

REAR VIEW

dia. 25 mm

tube

DETAIL A

2-1-4 Dimensions

MODELS: 20 / 28 / 35

MODELS: 50 / 65 / 75

Summary of Contents for AQUALIS 2 20

Page 1: ...AQUALIS 2 MICROCONNECT Installation Fonctionnement Mise en service Maintenance Installation Operation Commissioning Maintenance Montage Betriebs und Wartungs Anweisung Installazione Funzionamento Avviamento Manutenzione ...

Page 2: ... on the terminal unit screen 45 5 2 2 Position of the dial No 14 on the terminal unit 46 5 2 3 Accessing the settings 46 48 5 3 Operating modes 49 5 4 Auxiliaries 49 5 4 1 Electrical auxiliary unit P6 1 or 2 50 5 4 2 Using a boiler as a backup 50 5 5 On Off control inputs 51 5 5 1 Turning off or bypassing your heat pump or the terminals via remote control 51 5 5 2 Turning on the frost protection v...

Page 3: ...s on the delivery slip NOTE you must notify the carrier of any damage and or missing parts by registered letter within three days of the delivery date 1 4 Warranty For information on obtaining service under the CIAT warranty please refer to the general terms and conditions of sale 1 5 Safety recommendation To protect against accidents while installing commissioning and adjusting the unit the follo...

Page 4: ...The terminal should be installed at a recommended height of 1 5 m and at an accessible location away from sources of heat e g chimney sunlight and draughts windows doors Fig 1 Mounting First detach the terminal from its mounting plate as shown in Fig 2 Then attach the mounting plate to a wall using the screws and anchor bolts or a flush mount box 60 mm centre distance using the holes Fig 2 To do s...

Page 5: ...w depth for the region where the unit is installed The unit must be perfectly level Leave sufficient room around the unit to allow easy access for servicing and maintenance Nothing should obstruct the free flow of air over the air cooled heat exchanger suction and discharge Noise level our units are designed to be quiet when in operation However as soon as you begin designing your system you shoul...

Page 6: ...talling it Bear in mind the weight and dimensions given in this section Caution raise the unit carefully and keep it vertical Model 20 20 H 28 28 H 35 35H 35T 35HT 50H 50T 50HT 65T 65HT 75T 75HT Weight without charge kg 73 79 82 82 120 120 139 142 Weight with charge kg 82 88 91 91 135 135 150 153 OPTION Anti vibration mounts Electrical power supply 4 mounting points M8 screws 4 mounting points M8 ...

Page 7: ... carefully to prevent heat loss and condensation Precautions bend the hoses at sufficiently wide angles to avoid pinching the inner tube and restricting the flow of water If your system is fitted with an optional electric heater a 4 bar safety valve must be placed on the water loop It must be installed near the heater without a shut off valve between the two Important to protect against damage and...

Page 8: ...1 Cooling only models 2 2 6 1 Noise transmitted by solid materials To avoid transmitting noise throughout your interior make sure that hoses and pipes passing through walls are not in direct contact with any masonry and use vibration absorbing pipe supports 2 2 6 2 Location The predominant problem with outdoor units is disturbance caused to the neighbourhood because of noise This can be minimised ...

Page 9: ...required Filter Check valve gauge HW tank buffer tank optional AQUALIS An expansion vessel is necessary if the water capacity of the system is higher than that given in the table of technical specifications in section 7 1 An expansion vessel is necessary if the water capacity of the system is higher than that given in the table of technical specifications in section 7 1 Radiant Floor heating and c...

Page 10: ...d the type of cleaner depends on the system s materials z Follow up the final rinse with a complete drain of the system L If you have a radiant floor heating system only use pressurised neutral gas compressed air nitrogen to blow out the water remaining in the water loops 2 Add the water antifreeze corrosion inhibitor and pressurise with the hydraulic pump z Drain the system thoroughly z Allow the...

Page 11: ...ons that apply to the location where the system is installed e g NF C 15100 in France and are under the responsibility of the installer Failure to comply with the requirements of the above standards will void the CIAT warranty IMPORTANT Connect the unit to earth before making any other electrical connections A neutral wire must be placed on all three phase models A main cut off switch must be inst...

Page 12: ...output 5 4 3 2 1 5 4 3 2 1 4 3 2 1 4 3 2 1 Single phase board Reversible models 20 28 35 50 H Single phase board Cooling only models 20 28 35 Three phase board 35 50 65 75 POWER SUPPLY 1 x 230 V 50 Hz EARTH PHASE NEUTRAL POWER SUPPLY 1 x 230 V 50 Hz EARTH PHASE NEUTRAL POWER SUPPLY 3 x 400 V 50 Hz T R S N EARTH All the connection diameters are given in the table on the following page CUSTOMER WIRI...

Page 13: ...your system it may not occur instanta neously when started for the first time or after a power cut The unit may attempt to start acquire some values and then restart under the best possible conditions 5 Adjust the circulator speed The circulator on every unit regardless of size is fitted with release screws It may be necessary to use them when starting the unit or when turning it off for extended ...

Page 14: ...tighten a further quarter turn Compressor The compressor is fastened to the platform by four 8 mm dia screws Caution Do not tighten these screws to a torque of greater than 13 Nm If you do not have a torque wrench tighten them until they are snug then tighten a further three quarters of a turn Circulator The circulator on every unit regardless of size is fitted with release screws It may be necess...

Page 15: ...emperature C Air outlet temperature C Plate heat exchanger Water inlet temperature C Water outlet temperature C Gas liquid inlet temperature C Gas liquid outlet temperature C Rated voltage V Terminal voltage V Compressor input current A Fan motor input current A Frost protection triggering temperature protection of plate exchanger on water side C Mechanical inspection tubes hardware etc Electrical...

Page 16: ...ting operation status indicator option Settings access mode status indicator see ter minal manual Test mode operation symbol Up down buttons Room temperature display when buttons and are pressed together Change modes comfort economy programmed confirm selection or cancel faults Dial selection dot 8 position operation mode dial Bypass indicator Indicator 6 Compressor operation Indicator 5 Stage 1 e...

Page 17: ...y Frost protection mode Heating mode Heating programming Pool Dial position Buttons Mode Display OK Clock Advance the minutes Minutes advance quickly when pressed and held Reverse the minutes Minutes reverse quickly when pressed and held Go to following day Time and day adjustment unit off Cooling programming Place cursor on comfort sun Place cursor on economy moon Go to following day Weekly progr...

Page 18: ...07 Outdoor temperature for auxiliary authorisation P9 at 24 C 5 C 08 Compressor confirmation 0 compressor not authorised to run 1 compressor authorised 1 09 Heating low limit air 15 C to 24 C 15 C TU RFHC TU RFHC 10 Water comfort setpoint in cooling mode 10 C to 28 C if P1 0 6 C to 28 C if P1 1 20 C to 25 C if P22 0 or 1 18 C to 25 C if P22 2 or 3 12 C 23 C 11 Water economy setpoint in cooling mod...

Page 19: ...2 Calculated water setpoint Value read 43 Corrected stage differential Value read 44 Freon temperature in outdoor coil Value read 45 Freon temperature in exchanger Value read 46 Short cycle protection time delay Value read 47 Remaining frosting time Value read 48 Outdoor temperature Value read 49 Fault reset number counter Value read 50 Pool temperature Value read 60 Domestic hot water production ...

Page 20: ...ntrol system Heat pump and boiler turned off e g turning off entire heating system by remote control 5 Boiler auxiliary controlled by the Microconnect unit Heat pump turned off and boiler turned on in control stage 1 e g offsetting of peak days scheme in France TU system TU RFHC system RFHC system P03 0 P03 0 P03 1 You want to cool your home COOLING mode This mode is enabled if P36 1 and disabled ...

Page 21: ... system Heat pump and boiler operating ranges Note the boiler and heat pump are turned off if the outdoor temperature is greater than P9 and the water return temperature is above 49 C Miscellaneous Setting P34 may be used to turn off the circulator P34 0 circulator off if boiler on Moreover a d3 fault water flow rate fault must not prevent the boiler from operating Accordingly the boiler is still ...

Page 22: ...control adjust setting P2 to 2 Connect a contact to connector J2 ter minals 3 and 5 on your unit s Microconnect board Contact quality compatible with a 10 mA current at 24 V 1 contact closed operation determined by position of terminal dial 2 contact open system forced to frost protection mode and the following is displayed 5 5 3 Turning on cooling or heating mode remotely P2 1 To activate heating...

Page 23: ... LED S1 10 kΩ sensor positioon 50 kΩ sensor position 1 2 1 2 3 4 The potential free contacts operate correctly if Outputs at 5 V 10 mA min and 230 V 5 A AC1 max EARTH N Ph 3 4 Alarm signal output 1 2 Heat trace cable output 4 3 2 1 4 3 2 1 3 2 1 4 reversing valve control 3 compressor control 2 circulator control 1 neutral circulator control 3 Condensate drain pan heater cable control 2 not connect...

Page 24: ...t off 30 minutes after the compressor is stopped 5 7 3 Condensate drain pain heater cable reversible models only P99 1 Powered if the compressor is on and the outdoor temperature is below 0 C and the coil freon temperature is less than P25 and heating mode is on 5 7 4 Circulator Automatic seizure protection To prevent the circulator seizing while it is off the control system turns it on for one mi...

Page 25: ... exchanger to install exchanger for the customer s account 5 9 2 Humidity sensor This humidity sensor allows you to limit the risks of condensation forming on under floor cooling systems lower the water setpoint value even further Kit contents Specific installation instructions with adjustment values for settings Humidity sensor 5 9 3 Domestic hot water heating This option allows you to produce do...

Page 26: ...wer is not supplied d4 1 Outdoor temperature sensor Temporary Outdoor temperature sensor opened or short circuited d4 2 Water inlet temperature sensor Exchanger water inlet temperature sensor opened or short circuited d4 3 Water outlet temperature sensor Exchanger water outlet temperature sensor opened or short circuited d4 4 Coil freon temperature sensor Coil freon inlet temperature sensor opened...

Page 27: ...perature 70 C CHILLED WATER PRODUCTION Minimum water return temperature during operation 40 C Water outlet temperature C Water return temperature C Temperature C Sensor resist ance kΩ Temperature C Sensor resist ance kΩ Temperature C Sensor resist ance kΩ 40 345 3 15 15 58 70 1 724 35 247 6 20 12 37 75 1 456 30 179 6 25 10 80 1 236 25 131 8 30 7 958 85 1 053 20 97 78 35 6 446 90 0 901 15 73 27 40 ...

Page 28: ...0 2 A optional Coil type Grooved copper tubes with aluminium fins Water heat exchanger Water capacity L 1 04 1 24 1 62 2 38 1 62 2 38 2 76 3 7 Fan Type Axial Number of fans 1 2 1 2 rpm 718 897 718 897 718 897 897 Hydraulic module Circulator 3 speeds Expansion vessel L 5 8 5 8 Expansion vessel pre charge pressure bar 1 5 Maximum service pressure bar 4 Maximum volume of system with RFHC maximum wate...

Page 29: ...sure kPa Available static pressure kPa Available static pressure kPa Available static pressure kPa Water flow m3 h Water flow m3 h Water flow m3 h Water flow m3 h Water flow m3 h Water flow m3 h AQUALIS 2 20 20H AQUALIS 2 28 28H 8 TEST MODE This mode allows you to test the system by reducing the time the safety devices are activated Display setting P30 see the Accessing the settings section Mode a...

Page 30: ...éliorer son matériel CIAT se réserve le droit de procéder sans préavis à toutes modifications techniques Non contractual document With the thought of material improvement always in mind CIAT reserves the right without notice to proceed with any technical modification Dokument nicht bindend Aufgrund der ständigen Verbesserung seiner Geräte behält sich CIAT das Recht vor technische Änderungen ohne V...

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CIAT AQUALIS 2 20, Installation, Operation, Commissioning, Maintenance

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