CLIMAVENETA i-accurate Installation Manual - User And Maintenance Download

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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

frame 2:

12-18

frame 3:

20-29

frame 4:

frame 5:

frame 6:

frame 7:

130-150

50/60Hz range

Summary of Contents for i-accurate

Page 1: ...ioners 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 12 18 frame 3 20 29...

Page 2: ......

Page 3: ...BDC BDC 46 Vaacum and charge 47 Operation and control 48 Instruments and alarms 49 Calibrating the control and safety devices 50 Calibrating the pressure control valve 50 Calibrating the air flow sen...

Page 4: ...ion on the i BRE and with AC fan speed control on the BRE BDC Description Options A X O 2 9 BASIC Models Capacity Version GENERAL CHARACTERISTICS DESCRIPTION OFTHE UNIT Ductable precision air conditio...

Page 5: ...nt HEATING WITH HOT WATER COIL The coil complete with water circuit air vent valve is located downstream of the evaporator coil The option is supplied complete with modulating 3 way valve with servomo...

Page 6: ...the outdoor condenser with consequent low pressure alarms The i AX units are supplied as standard with EC radial fans in the standard version Outdoor air cooled condenser The indoor unit can be conne...

Page 7: ...ensure maximum energy sav ings DUAL FLUID UNITS VERSION i AD air cooled i AT water cooled The i AD and i AT series units feature two different cooling sys tems which cannot be active at the same time...

Page 8: ...d circuits with outdoor dry coolers cooled by the outside air To avoid ice formation it s recommended to always use a glycol mixture as the fluid inside the closed circuit in the percentages described...

Page 9: ...fig 4 1 OVER units with intake from the front and outlet plenum 2 OVER units with intake from the front and outlet from the top 3 OVER units with intake from under the floor and outlet from the top 4...

Page 10: ...m speed Gross total capacity 1 kW 11 1 16 60 19 32 28 07 55 00 70 20 86 50 135 9 151 8 Gross sensible capacity 1 kW 10 6 16 60 19 32 28 07 51 10 68 10 85 50 116 2 124 1 SHR 1 0 95 1 00 1 00 1 00 0 93...

Page 11: ...60 3 60 380 3 60 CAPACITY DELIVERED Maximum speed Gross total capacity 1 kW 17 4 20 5 29 3 56 7 75 0 92 4 145 2 154 4 Gross sensible capacity 1 kW 17 0 20 4 28 6 51 5 70 7 89 4 120 1 125 9 SHR 1 0 98...

Page 12: ...3 30 Power supply V Ph Hz 460 3 60 380 3 60 CAPACITY DELIVERED Maximum speed Gross total capacity 1 kW 19 37 28 58 55 10 74 01 93 5 133 38 Gross sensible capacity 1 kW 19 37 28 35 51 00 69 69 86 24 11...

Page 13: ...TY DELIVERED Maximum speed Gross total capacity 1 kW 18 89 27 50 53 24 70 34 89 54 127 07 Gross sensible capacity 1 kW 18 89 27 50 50 21 68 15 85 03 110 13 SHR 1 1 00 1 00 0 94 0 97 0 95 0 87 Compress...

Page 14: ...city 1 kW 19 37 28 58 55 10 74 01 93 5 133 38 Gross sensible capacity 1 kW 19 37 28 35 51 00 69 69 86 24 113 09 SHR 1 1 00 0 99 0 93 0 94 0 92 0 85 Compressor power consumption kW 4 01 6 15 12 20 14 3...

Page 15: ...ssible as when installed the back of the unit is against the wall INSIDE PANELS The compartment that contains the fans and the heaters is pro tected and insulated by a metal plate This is for safety r...

Page 16: ...ust be kept away from sources of heat THIS SIDE UP indicates the correct position of the packaged unit TEMPERATURE LIMITS indicates the temperature limits for storing and handling the packaged unit US...

Page 17: ...N i ACCURATE i AX i AW i AD i AT i AF 17 The drawings represent the configuration with air intake from the front OVER Models Frame 2 OVER Models Frame 3 OVER Models Frame 4 Ventilatori radiali EC EC R...

Page 18: ...ACCURATE i AX i AW i AD i AT i AF OVER Models Frame 5 OVER Models Frame 6 EC Radial fan EC Radial fan The drawings represent the configuration with air intake from the front OVER Models Frame 7 EC Rad...

Page 19: ...EN i ACCURATE i AX i AW i AD i AT i AF 19 UNDER Models Frame 2 UNDER Models Frame 3 UNDER Models Frame 4...

Page 20: ...20 EN i ACCURATE i AX i AW i AD i AT i AF UNDER Models Frame 5 UNDER Models Frame 6 UNDER Models Frame 7...

Page 21: ...tween the panels of the raised floor and the frame which must also be insu lated from the metallic structure of the floor NOTE the frame must be fitted by the installer following the instructions show...

Page 22: ...nits are designed for the connections to pass through the base of the unit nonetheless if there is no raised floor units with intake from the rear or front to simplify the connection of the pipes and...

Page 23: ...e proportional to the layout of the thermal load of the environment For units with air outlet from the bottom the recommended air outlet speed from the raised floor is between 1 and 2 5 m s con sequen...

Page 24: ...ready fitted at the top of the unit as shown in the figure The OVER and UNDER units models 130 150 are delivered with the damper supplied in separate packaging H The figure shows the front outlet plen...

Page 25: ...e unit s microprocessor controlled which modulate the quantity of air taken in from the outside to ensure the room temperature set point is maintained This accessory is not available on AF units WARNI...

Page 26: ...the outside to ensure the room temperature set point is maintained This accessory is not available on AF units WARNING For correct installation an elastic gasket should be fitted between the plenum a...

Page 27: ...is around 5 of nominal air flow of unit Frame 5 0 50 100 150 200 250 9000 11000 13000 15000 17000 19000 21000 m h Pa Frame 2 0 50 100 150 200 250 3500 4000 4500 5000 5500 6000 6500 m h Pa Frame 3 0 50...

Page 28: ...IR IN refrigerant i AX OR OUT refrigerant i AX IW IN water cooled i AW OW OUT water cooled i AW IP IN power supply IH IN humidifier water OH OUT humidifier water IHW IN hot water OHW OUT hot water OVE...

Page 29: ...rant circ i AX i AD IW1 IN water cooled circ 1 i AW OW1 OUT water cooled circ 1 i AW i AF i AT IWF IN water i AF i AT IP IN power supply IH IN humidifier water OH OUT humidifier water IHW IN hot water...

Page 30: ...R1 OUT refrigerant circ 1 i AX i AD IR2 IN refrigerant circ 2 i AX i AD OR2 OUT refrigerant circ 2 i AX i AD IW1 IN water cooled circ 1 i AW OW1 OUT water cooled circ 1 i AW i AF i AT IW2 IN water coo...

Page 31: ...i AT i AF IP IN power supply IH IN humidifier water OH OUT humidifier water OC OUT condensate water drain IR1 IN refrigerant circ 1 i AX i AD OR1 OUT refrigerant circ 1 i AX i AD IR2 IN refrigerant c...

Page 32: ...characteristics of the cir culating pump are suitable an insufficient water flow rate affects the performance of the air conditioner Check that the water inlet and outlet connections are cor rect Ins...

Page 33: ...00 60 000 70 000 80 000 90 000 200 000 300 000 400 000 500 000 10 9 8 7 6 5 4 3 2 1 100 90 80 70 60 50 40 30 500 400 300 200 6 000 Water flow l h 12 14 16 18 20 12 14 16 18 5 0 6 s m 8 0 s m 1 2 s m 1...

Page 34: ...400 500 600 700 800 900 10 000 2 000 3 000 4 000 5 000 6 000 7 000 8 000 9 000 100 000 20 000 30 000 40 000 50 000 60 000 70 000 80 000 90 000 200 000 300 000 400 000 500 000 10 9 8 7 6 5 4 3 2 1 100...

Page 35: ...400 500 600 700 800 900 10 000 2 000 3 000 4 000 5 000 6 000 7 000 8 000 9 000 100 000 20 000 30 000 40 000 50 000 60 000 70 000 80 000 90 000 200 000 300 000 400 000 500 000 10 9 8 7 6 5 4 3 2 1 100...

Page 36: ...t the unit outlet on the gas outlet pipe The liquid piping must be protected against sunlight For two circuit units 70 90 130 150 install an oil separator in the circuit with the ON OFF compressor for...

Page 37: ...he lines and therefore this will not always coincide with the inside diameter of the joint to be welded supplied by the manu facturer Special care must be paid to the insulation of the hot gas pipes u...

Page 38: ...diameter of oil separator have to be equal to the dicharge gas diameter of compressor POWER COOLING IN kW refered to evaporating temperature 5 C and condensing temperature 40 C The oil separators hav...

Page 39: ...x 2 4 BRE i BRE 076b 2 x 3 65 BRE i BRE 100b 2 x 11 5 BRE i BRE 116b 2 x 10 75 BRE i BRE 134b 2 x 10 75 BRE i BRE 190b 2 x 14 5 LN models Refrigerant charge R410A kg BRE i BRE 14m LN 1 7 BRE i BRE 022...

Page 40: ...live voltage and that the disconnecting switch is open position O The power section of the electrical panel is protected by a plastic screen to remove the screen open the main switch and remove the fa...

Page 41: ...3N 50 52 18 93 0 190 52 38 93 0 190 59 68 104 0 190 59 68 104 0 190 7 150 400 3N 50 59 18 107 0 213 59 18 107 0 213 66 68 118 0 213 66 68 118 0 213 Vers B R H T Frame Mod V ph Hz FLI kW FLA A SA A FLI...

Page 42: ...ty FLI kW FLA A LRA A I 30Hz V ph Hz Qty FLI kW FLA A LRA A 2 12 460 3 60 2 18 460 3 60 460 3 60 1 10 2 13 4 16 3 3 20 460 3 60 460 3 60 1 10 2 13 4 16 3 3 29 460 3 60 460 3 60 1 17 2 22 71 17 4 7 4 5...

Page 43: ...3 60 460 3 60 1 1 96 3 1 460 3 60 1 2 7 4 3 3 29 460 3 60 460 3 60 1 1 96 3 1 460 3 60 1 2 7 4 3 4 50 460 3 60 460 3 60 2 1 96 3 1 460 3 60 2 2 7 4 3 5 70 460 3 60 460 3 60 3 1 96 3 1 460 3 60 3 2 7 4...

Page 44: ...460 3 60 460 3 60 3 9 11 3 460 3 60 5 15 18 9 3 29 460 3 60 460 3 60 3 9 11 3 460 3 60 5 15 18 9 4 50 460 3 60 460 3 60 5 15 18 9 460 3 60 6 18 22 6 5 70 460 3 60 460 3 60 6 18 22 6 460 3 60 9 27 34 6...

Page 45: ...od V ph Hz V ph Hz Qty FLI kW FLA A kg h 2 12 2 18 460 3 60 460 3 60 1 3 75 4 7 5 3 20 460 3 60 460 3 60 1 3 75 4 7 5 3 29 460 3 60 460 3 60 1 3 75 4 7 5 4 50 460 3 60 460 3 60 1 3 75 4 7 5 5 70 460 3...

Page 46: ...rsion the voltage signal sent will be modulated by the condenser controller installed on the indoor unit based on instant system requirements This ensures optimum operating conditions at all times The...

Page 47: ...water during installation AT LEAST 12 HOURS AFTER POWER UP Start the air conditioner using the buttons on the user terminal If an alarm is activated refer to the controller instruction manual Open any...

Page 48: ...p are suitable an insufficient water flow rate affects the performance of the air conditioner The temperature of the cooling water must be controlled so as to not fall below 25 C preferably according...

Page 49: ...ts monitored Fire and smoke sensors Hot water temperature sensor for reading and enabling post heating with hot water The pressure test points for the air flow and dirty filter differen tial pressure...

Page 50: ...auge connected to the pressure test point on the outlet valve 1 2 3 4 5 50 EN i ACCURATE i AX i AW i AD i AT i AF After starting the air conditioner make the following adjustments Room temperature coo...

Page 51: ...two screws B Use the adjustment screw E to calibrate the differential pressure switch on a scale from 0 5 to 4 0 mbar 50 to 400Pa If having to replace the pressure switch unscrew the two fasten ing s...

Page 52: ...ontrolled by checking the posi tion using the indicator located on the top of the servomotor EMERGENCY MANUAL OPERATION The valve can be operated manually in the event of faults to the servomotor or t...

Page 53: ...losed A AB When power supply is removed the actuator maintains its cur rent position Operation A 3 mm hexagonal socket wrench can be used to move the actu ator to any position between 0 and 1 If a con...

Page 54: ...dependent of the control signal In this process the actuator drives the valve to the mechanical end stops and stores the associated positions per manently in the form of electronic values The position...

Page 55: ...or stem remains in the respective position SQX82 SQX62 1 Terminal strip 2 Button S3 calibration 3 LED red green operating status indication 4 Terminal strip 5 DIL switches S1 change over flow characte...

Page 56: ...aulty Check mains network check wiring Replace actuator Indication of operating state SQX62 2 WAYVALVE CLOSE OFF For applications where the 2 way valve is needed verify the Close Off value in table be...

Page 57: ...heaters disconnect power to the air conditioner and wait until the heating elements have cooled down After having replaced the heaters make sure the earth is connected SYSTEM COMPONENTS Upon request...

Page 58: ...odes and the flakes that deposit on the filter at the base of the cylinder To remove the cylinder proceed as follows completely drain the water from the boiler to do this see the paragraph MANUAL CONT...

Page 59: ...duction unit is an attachment for draining the water This is already fitted with a hose coupling for connecting the hose running to the sewerage system in the building A rubber or plastic hose should...

Page 60: ...it itself shuts down Maintenance guide At least once every 6 months pour a bactericidal solution into the tank to prevent accumulation of residues and sludge at the bottom These substances may cause t...

Page 61: ...ly causing water to be released at high pressure IMPORTANT The pre wired safety switch must always be used Maintenance guide At least once every 6 months pour a bactericidal solution into the tank to...

Page 62: ...E 1 RESET SOFT AUT Un Un P P 208 240 Vac Un P N 120 138 Vac U 5 20 F 3 10 U F U F HYST HYST Un P P 380 420 Vac Un P N 220 240 Vac HYST HYST HYST 20 U F Un U 5 20 F 3 10 U F U F HYST 20 U F 230 127 Vac...

Page 63: ...these values over time indicate a reduction in efficiency and consequently the fouling of the condenser The condenser is cleaned by chemical washing and must be per formed by specialist personnel This...

Page 64: ...ntroller The probe isn t working Check the thermal load in the room being air conditioned Thermal load higher than expected See THE COMPRESSOR COMPRESSORS DON T START The compressor compressors don t...

Page 65: ...Check the pressure of the supply water Check the operation of the manual control sys tem and the steam production unit see the control panel manual The humidifier isn t working See the control panel...

Page 66: ...s not exceed the design value B Insufficient air flow rate to the remote heat exchanger or air too hot Check the flow rate the pressure and the temperature of the cooling water in the closed circuit C...

Page 67: ...k that the valve sen sor bulb is not discharged and that it is cor rectly positioned secured and insulated a Return of liquid refrigerant to the compressor intake HIGH COMPRESSOR SUCTION PRESSURE See...

Page 68: ...Tel 34 934 195 600 Fax 34 934 195 602 topclima topclima com www climaveneta com Climaveneta Chat Union Refrig Equipment Co Ltd 88 Bai Yun Rd Pudong Xinghuo New dev zone 201419 Shanghai China Tel 008 6...

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