Index Index Installation manual........................1 Safety instructions........................2 Icons used in this document.....................2 Instructions for storage, transport and handling of the unit............3 1.3.1 Disposal of packaging......................3 1.3.2 Hoisting points..........................4 1.3.3 Centre of gravity........................5 Technical data..........................6 1.4.1 ARC technical and physical data (Only cooling)..............6 1.4.2 ARH technical and physical data (Heat pump).................7 1.4.3...
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Index 1.13 Instructions for starting up the unit..................32 1.13.1 Electrical checks........................32 1.14 Unblocking the unit safely in case of breakdown..............33 1.15 Regular maintenance tasks performed by specialised personnel..........33 1.15.1 Planned Maintenance Schedule.....................34 1.15.2 Maintenance tasks performed by specialised personnel............34 Options and accessories......................37 DPC-1 Programmable digital thermostat with communication..........39 2.1.1...
Installation manual Safety instructions 1.1 Safety instructions This document contains the necessary information for the safe and efficient transportation, assembly and installation of the air conditioning unit. This guarantees the condition of the unit and its operating safety. Only an authorised company may assemble the air conditioning unit. A T T E N T I O N Only authorised companies with the appropriate technical resources and suitably trained personnel may install the air conditioning unit.
Installation manual Instructions for storage, transport and handling of the unit 1.3 Instructions for storage, transport and handling of the unit Delivery inspection The unit should be carefully inspected for visible damage or abnormalities as soon as it is received. Any abnormalities or damage to the unit should be communicated to both the transportation and insurance company in writing.
Installation manual Instructions for storage, transport and handling of the unit 1.3.2 Hoisting points The points designed for hoisting the unit are located on the beams on its base -arrows-. Install 5/8" shackles -A- on the points designed for hoisting. A T T E N T I O N Do not use fork lifts in operations to load and unload the unit.
Installation manual Instructions for storage, transport and handling of the unit 1.3.3 Centre of gravity Models 100 / 125 1185 1760 150 / 175 1160 2380 All measurements in mm. 1. End of the outdoor coils 2. Approximate centre of gravity...
Installation manual Technical data 1.4.2 ARH technical and physical data (Heat pump) ARH/ARD models Net cooling capacity Cooling capacity (1) Rated absorbed power Net EER 3,46 3,21 3,13 2,91 Net heating capacity Rated absorbed power Heat capacity (1) Net COP 3,48 3,44 3,20...
Installation manual ARC / ARH units with auxiliary heating element 1.5 ARC / ARH units with auxiliary heating element The power supply to the heating resistor must be independent to the general power supply to the unit and must be fitted with its own circuit breaker according to the table: Heating element Power Maximum circuit breaker...
Installation manual Measurements, clearances and accesses 1.7 Measurements, clearances and accesses 1.7.1 Dimensions of the duct connections Models 100 / 175, side ducts (horizontal) N O T E Floor plan without the top panel Lateral supply Lateral return Model ARC / 100 / 125 1380 1720...
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Installation manual Measurements, clearances and accesses Models 100 / 175, lower ducts (vertical) N O T E Floor plan without the top panel Bottom supply Lower return Model ARC / 100 / 125 1465 1755 150 / 175 1690 2205...
Installation manual Measurements, clearances and accesses 1.7.2 Connections for supply and return ducts Units are shipped with the openings for the connection of the return duct covered. For applications with downward discharge ducts 1. The return compartment is accessed by removing the access panel -B2-.
Installation manual Measurements, clearances and accesses 1.7.3 General measurements and accesses Minimum clearance above the unit The unit is designed to be installed outdoors. In ground level installations, the building eaves must not be at a vertical distance of less than 3000 mm from the top of the unit.
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Installation manual Measurements, clearances and accesses Models ARC/ARH ‑ 100 / 175 Model 100 / 125 4036 1957 1123 2300 150 / 175 5085 2557 1473 2750 A1. Access to indoor fan A2. Access to electrical box A3. Access to return/economiser/filters A4.
Installation manual ARC output 1.8 ARC output 1.8.1 ARC ‑ 100 cooling capacities Return air Outdoor coil air temperature (TS) 27 °C 35 °C 46 °C Sensible power kW Sensible power kW Sensible power kW Flow rate °C TS inlet temp. in indoor coil TS inlet temp.
Installation manual ARC output 1.8.3 ARC ‑ 150 cooling capacities Return air Outdoor coil air temperature (TS) 27 °C 35 °C 46 °C Sensible power kW Sensible power kW Sensible power kW Flow rate °C TS inlet temp. in indoor coil TS inlet temp.
Installation manual ARH output 1.9 ARH output 1.9.1 ARH ‑ 100 cooling capacities Return air Outdoor coil air temperature (TS) 27 °C 35 °C 46 °C Sensible power kW Sensible power kW Sensible power kW Flow rate °C TS inlet temp. in indoor coil TS inlet temp.
Installation manual ARH output 1.9.3 ARH ‑ 150 cooling capacities Return air Outdoor coil air temperature (TS) 27 °C 35 °C 46 °C Sensible power kW Sensible power kW Sensible power kW Flow rate °C TS inlet temp. in indoor coil TS inlet temp.
Installation manual Indoor fan 1.10 1.10 Indoor fan Centrifugal fan with forward-curved blades. • 100/125 models: A double-turbine fan with a shared shaft, driven by a single motor. • 150/175 models: Two independent fans, each with their motor. Both cases have BX-type pulley and belt transmission. The motor pulley has a diameter that can be adjusted in ½-turn intervals.
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Installation manual 1.10 Indoor fan ARC / ARH-100, standard drive Flow rate Motor pulley opening adjustment (no. of turns) 16000 17000 18000 19000 20000 21000 22000 ASP = Available static pressure. ARC / ARH-100, HPD optional drive Flow rate Motor pulley opening adjustment (no. of turns) 16000 17000 18000...
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Installation manual Indoor fan 1.10 ARC / ARH-125 standard drive Flow rate Motor pulley opening adjustment (no. of turns) 18000 19000 20000 21000 22000 23000 24000 25000 ASP = Available static pressure. ARC / ARH-125 HPD optional drive Flow rate Motor pulley opening adjustment (no.
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Installation manual 1.10 Indoor fan ARC / ARH-150 standard drive Flow rate Motor pulley opening adjustment (no. of turns) 22000 23000 24000 25000 26000 27000 28000 29000 30000 31000 32000 ASP = Available static pressure.
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Installation manual Indoor fan 1.10 ARC / ARH-150 HPD optional drive Flow rate Motor pulley opening adjustment (no. of turns) 22000 23000 24000 25000 26000 27000 28000 29000 30000 31000 32000 ASP = Available static pressure.
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Installation manual 1.10 Indoor fan ARC / ARH-175 standard drive Flow rate Motor pulley opening adjustment (no. of turns) 25000 26000 27000 28000 29000 30000 31000 32000 33000 34000 35000 ASP = Available static pressure.
Installation manual Pressure drop in options/accessories 1.11 ARC / ARH-175 HPD optional drive Flow rate Motor pulley opening adjustment (no. of turns) 25000 26000 27000 28000 29000 30000 31000 32000 33000 34000 35000 ASP = Available static pressure. 1.11 Pressure drop in options/accessories Pressure drop (Pa) Model 100 / 125...
Installation manual 1.12 Instructions for installation and connection of the unit If possible, in warm zones like the southern Europe, the unit should be located on the north or east side of the building or property. The location chosen for the unit must provide the condenser with an unlimited air supply. As well as the technical data given in this document and any others that are applicable, please bear in mind that the unit has been designed for outdoors installation only.
Installation manual Instructions for installation and connection of the unit 1.12 1.12.3 Specifications for the foundation or anchoring of the unit Where the unit is to be installed at ground level, the characteristics of the ground it will sit on must be taken into account.
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Installation manual 1.12 Instructions for installation and connection of the unit To install the power cable, loosen the closures -1- by 1/4 turn and remove the electrical board panel. Bringing the power and control cables through the side of the unit. Remove the lower panel -4- The side panel of the electrical box has PG48 packing glands -5- for the power cable and PG21 packing...
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Installation manual Instructions for installation and connection of the unit 1.12 CONTROL LINE Connect the cable to the terminals indicated and firmly tighten the securing bolts. Also consult the Wiring Diagrams. N O T E The complete wiring diagram for the unit is attached to the inside of the electrical panel.
Installation manual 1.13 Instructions for starting up the unit Apply a moderate amount of sealing paste to the threads of the male part of the joint. The drain line must have a siphon in order to facilitate proper drainage. If it is not a siphon made of flexible material, it is recommended that it has a stopper -1- for its drainage and cleaning.
Installation manual Unblocking the unit safely in case of breakdown 1.14 Rotating direction of the Scroll compressors The scroll compressors and the fans only operate correctly if they rotate in the correct direction. All of the motors and compressors in the unit are connected so that they rotate correctly. If the compressors are not connected correctly and are rotating in the wrong direction: •...
Installation manual 1.15 Regular maintenance tasks performed by specialised personnel 1.15.1 Planned Maintenance Schedule The following table shows the recommended frequency for regular maintenance tasks. Depending on the environmental and working conditions where the unit is installed, maintenance tasks may be carried out more or less frequently.
Installation manual Regular maintenance tasks performed by specialised personnel 1.15 2. Belt tightening: a. Tighten the belts by turning the tensor screw -1-. b. Measure the tightness of the belts. In the event that you do not have a tension gauge, use the following practical method: •...
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Installation manual 1.15 Regular maintenance tasks performed by specialised personnel Condensate tray and drain trap Loosen the four bolts -1- and extract away from the tray -2-. Remove all dirt and residue accumulated in the condensate tray. Check that neither the condensation outlet nor the drain trap is blocked.
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Options and accessories An “OPTION” (O) includes those factory-fitted and supplied installed in the unit and ready for use. An “ACCESSORY” (A) is defined as those that are fully or partially fitted on site. A T T E N T I O N The ECONOMISER is considered an “OPTION”, despite the fact that the rain protection must be installed on site for transportation reasons.
Options and accessories DPC-1 Programmable digital thermostat with communication 2.1 DPC-1 Programmable digital thermostat with communication Interior appearance of the thermostat N O T E With the lid lifted, showing the central panel The lid is only lifted to access the controls. HVAC mode Battery flat Comfort (day)
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Options and accessories DPC-1 Programmable digital thermostat with communication The HVAC system is switched off in this mode. The screen displays OFF-7-. Cold The screen displays COOL-4-. • Icon -8- flashes if there is demand. • Icon -8- remains static if not. Heat The screen displays HEAT-5-.
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Options and accessories DPC-1 Programmable digital thermostat with communication Auto The screen displays AUTO-3-. The heating and the cooling functions of the system are enabled. • Icons -8- and -9- flash if there is demand. • Icons -8- and -9- remain static if not. Programmed The screen displays PROG-2- and AUTO-3-.
Options and accessories DPC-1 Programmable digital thermostat with communication Ventilation only This is accessed in OFF-7- mode and button -B- is pressed to select the fan speed. This means that the HVAC system is stopped and only the fan is running. 2.1.2 Button functions HVAC mode button -A- Normal mode ) the current HVAC mode will be modified (OFF, COOL, HEAT,...
Options and accessories Economiser, modulating, temperature control Programming button -D- Normal mode ) it will enter Programming mode , which enables the selection By pressing this button (in of one of the following options: Occupied , Comfort or Day sta‐ Programming of the set temperatures for heat and cold in tus.
Options and accessories Enthalpy probes The economiser can be adapted to work as a motorised outdoor air damper and the minimum and maximum outdoor air volume values can be set according to installation requirements (bearing in mind the unit operating limits). Model 100 / 125 1805...
Options and accessories Exhaust fan When the outdoor air inlet opens and the return air flow is closed proportionally, the pressure inside the building increases. When the pressure is greater than atmospheric pressure, the damper is opened to release any excess pressure directly outdoors. Where the return duct connection to the unit is at the bottom, the barometric damper assembly and rain protection are installed on the side of the unit.
Options and accessories Fixed outdoor air damper Up to approximately 30% of outdoor air inlet opening, operating as a barometric damper. The fans are enabled at this point and the air is discharged directly outdoors. Where the return duct connection to the unit is at the bottom, the fans, the barometric damper assembly and rain protection are installed on the side of the unit.
Options and accessories Fire detection thermostat 2.12 2.12 Fire detection thermostat As standard, the unit is fitted with an air supply probe that stops at 80 °C and switches to "lock out" mode, in which case the control must be manually reset. Using this option, a set temperature probe and manual reset are located in the unit supply area.
Options and accessories 2.19 Roofcurb mounting base, adjustable type The roofcurb must be attached to the supporting structure of the building roof. To do so, use the nuts and bolts supplied or use welding. To prevent humidity or condensation from filtering into the building, all of the outer perimeter must be insulated and sealed with an extension of the same material used for the roofing finish.
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Options and accessories Roofcurb mounting base, adjustable type 2.19 With similar characteristics as the fixed type, but with the advantage of being able to adjust the level of the support surface for the unit to overcome the gradient of the roof. 2120 SOLO EN 150/175...
Unit installation data List of tests for unit start-up 3.1 List of tests for unit start-up Please complete the following forms to register the full details of the installation and the start-up inspection. Complete the blank fields or mark the appropriate box, as applicable. Company performing installation: Installing technician: Name / project number:...
Unit installation data Start-up data 3.2 Start-up data Electrical data Rating Actual plate Power supply Control voltage Fan consumption (A) Consumption of condenser fan 1 (A) Check specifica‐ Consumption of condenser fan 2 (A) tions in the Installa‐ Consumption of compressor 1 (A) tion Manual Consumption of compressor 2 (A) Consumption of supply fan (A)
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Unit installation data Start-up data OPTIONS Heating mode (hot water coil) Air temperature Capacity: _____ (kW) Temperature (°C) Supply air (at 100 %) Return air Hydraulic circuit Temperature (°C) Pressure (bar) Water inlet Water outlet Others Type or model Outdoor fan 1 Surge protection adjusted Type or model Outdoor fan 2...
Wiring diagrams Micro switch configuration 4.1 Micro switch configuration The micro switches are used to establish the following configurations: A T T E N T I O N In order to update the new configuration of the micro switches the power supply has to be shut off MICRO SWITCH CONFIGURATION Number Status...
Wiring diagrams Fault table 4.2 Fault table The red LED on the YKNOpen electronic board is responsible for showing the state of faults on the unit: • When the red LED remains off there are no faults in the unit. •...
Wiring diagrams Incidents 4.3 Incidents The green LED on the YKNOpen electronic board is responsible for showing the state of incidents on the unit: • If the green LED flashes in a constant sequence, there are no incidents in the unit. •...
Wiring diagrams DPC-1 thermostat 4.3.1 Test button • If the test button is pressed until the green led is activated, certain times are shortened. • If the test button is pressed until the orange led is activated, any fault that has been detected is reset. •...
Wiring diagrams ARC/ARH 100 – 125 wiring diagrams EEV-1 EEV-2 EEVC-1 EEVC-2 SP-1 SP-2 I-2649a (4/4) ARH: 100 y 125 ARC: 100 y 125 White Black Green S1 configuration on A1 board (VCH models) High and low pressure switch 2 Thermostat Outdoor fan motor trip switch 2 Electronic board [A1]...