ACTIVA SERIES ROOF TOP Air Conditioners 017/040
Contents
1. 800 H N S in compliance with DIN 50021 There are options like coils with Blue Fin type fins or copper fins in order to adapt the product perfectly to its environment Thermal Acoustic Insulation The inside of the evaporator area and the heating supply accessory area are fully insulated The insulation protects the outside surface with a sheet of reinforced aluminium with M1 fire resistance rating in line with UNE 23727 This aluminium surface keeps friction for air passage to a minimum and is easy to clean Unit base The base of the unit is made with fixed beams that provide a solid foundation Openings on the front of these beams can be used to attach a crane for hoisting the unit into position during the installation process The beams also have openings on the bottom to place the unit on dampers if required Duct Connection The entire range of units is prepared for connecting air supply and return ducts for downward or sideways flow Air flow provided by the unit All units possess a Plug fan air supply fan with backward curved blades and a motor with integrated EC technology The differential pressure probe compares the static pressures in the suction area and the fan opening and the electronic control automatically sets the speed of rotation to the required rpm to precisely obtain the required supply air flow in the installation Air filters All units have standard filters with metal frame and average filtering of 482. mm available in zig zag Gravimetric efficiency is 90 G4 complying with EN779 and fire resistance is F1 in accordance with DIN 53438 ual YORK BY JOHNSON CONTROLS User manual 1 General description of the unit 1 1 Optionally high opacimetric efficiency filters classes F6 and F7 are available according to EN779 These filters are easily installed behind the standard filters Cooling circuit Rooftop ACTIVA units have 1 cooling circuit in models 032 and 040 equipped with 2 compressors in tandem This makes for better performance when the unit is not running at full capacity which is usually the case It also improves unit operations at extreme temperatures as it does not jam and continues operating at partial capacity using the entire surface of the exchangers Based on the accumulated operating hours of each compressor a control circuit determines the order of operation thus lengthening their working life Compressors Vertical hermetic scroll type compressor with internal motor protection and standard crankcase exterior heater The compressors have dampers to reduce operating noise and vibrations Cooling circuit protection All cooling circuits are supplied as standard with high and low pressure switches dehydrator filter on the liquid line discharge temperature cut out switch and temperature probes for supply air suction liquid and outdoor air Service connections In order to make the connections with a mi
3. placing appropriate safety locks on all of the removable covers on the unit Unit protection systems The refrigerant circuit of the unit is protected against excessively high or low pressure and discharge temperature It is also protected against repeated cold start ups caused by the compressor suction probe when the summer cycle is activated BY JOHNSON CONTROLS User manual 1 Placing the unit out of service for a planned stoppage or breakdown 1 7 1 7 Placing the unit out of service for a planned stoppage or breakdown 1 7 1 Placing the unit out of service for a planned stoppage To stop the air conditioning unit with the DPC 1 thermostat press the MODE button 1 on the thermostat repeatedly until OFF 2 is displayed on the screen 1 7 2 Placing the unit out of service for seasonal stoppage The power supply to the unit must be disconnected when placing the air conditioning unit out of service for long periods of time seasonal stoppage To do so the differential circuit breaker and thermal magnetic switch on the unit power supply must be disconnected A CAUTION Always keep the electrical power supply connected to the unit Only disconnect the unit if it is not to be used for a long period of time When preparing for seasonal use connect the unit to the electricity supply at least 8 hours before Starting it 1 7 3 Placing the unit out of service due to breakdown Should the air conditio
4. pump gas burners and or electrical heat for support depending on the version of same It forces air current to circulates through ducts enabling adjustment of the temperature of the building or property where it is installed In addition the air conditioning unit has a start and adjustment mechanism a thermostat or similar to manage its operations The unit should only be used for the purposes for which it was designed and built Johnson Controls Inc shall not be considered responsible for any damage caused by inappropriate use or maintenance of the unit that is anything inconsistent with that described in this document or others specially provided with the unit Any use other than air conditioning will be considered inconsistent ual YORK BY JOHNSON CONTROLS User manual 1 Description of the unit s main control panel 1 3 1 3 Description of the unit s main control panel 1 YKN2 Open circuit board 2 Accessory circuit board T1 230 V 24 V Transformer F1 Compressor 1 circuit breaker F2 Compressor 2 circuit breaker F3 Circuit breaker for supply air fan F4 F5 Circuit breaker for outdoor fan FC Sequence and phase fault sensor Circuit breaker for compressor crankcase and 230 V transformer heating resistors F10 24 V transformer KM1 Compressor 1 motor contactor FQ KM2 Compressor 2 motor contactor KM3 Supply air draft blower contactor KM4 KM5 Q3 Main switch for the unit Outdoor draft blower conta
5. 7 minutes and repeat the false start Wait another 5 to 7 minutes and perform a last false start Then switch the compressors to full working order 1 5 Operating instructions A thermostat is used for starting and managing the air conditioning unit and for adjusting the temperature of the supply air Through this thermostat the operating programme determines when to automatically start the air conditioning unit The performance of the different unit components is also determined by the operating programme Refer to the documentation for the DPC 1 programmable digital thermostat with communication or the documentation for the thermostat installed with the unit for more detail on start up and regulation mechanisms 1 5 1 Thermostat connections to the control board A Thermostat connection board Board connection terminals X1 To terminal X1 of the DPC 1 thermostat B White To terminal B of the DPC 1 thermostat R Red To terminal R of the DPC 1 thermostat W O B Y1 ual YORK 1 User manual BY JOHNSON CONTROLS 1 6 Safety and equipment protection systems 1 5 2 Thermostat connections Yellow cable Red cable 3 White cable Shielded cable 2 x 0 5 mm Maximum length 100 m Shielded cable 10 x 0 22 mm2 Maximum length 100 m 1 6 Safety and equipment
6. Indicator 7 blinks if a fault code between 0 and 90 is displayed e Indicator 7 also blinks if fault code 93 is displayed 1 7 5 Restarting the air conditioning unit in the case of breakdown Some of the failure indicators on the screen are false They are apparent breakdowns caused my something other than operation of the unit for example air intake is blocked by an excess of accumulated snow or the presence of refuse plastic bags papers branches etc In this case it is possible to restart the unit by pressing the MODE button on the thermostat repeatedly until OFF is displayed on the screen Then restart the unit by pressing the MODE button and selecting the required operating mode The unit will start up normally if the cause of the fault is no longer present If the cause persists it is possible to start the unit a maximum of three times within a 24 hour period 10 i ial YORK BY JOHNSON CONTROLS User manual 1 Regular maintenance activities for which the user is responsible 1 8 Where the thermostat screen continues to display the indicator 1 and any fault code or if the air conditioner does not start contact a Johnson Controls Inc Authorised Technical Assistance Service 1 8 Regular maintenance activities for which the user is responsible 1 8 1 Maintenance Schedule The HVAC unit is designed to require as little maintenance as possible Nevertheless to ensure the correct operation of the unit with a minimal u
7. al YORK BY JOHNSON CONTROLS ACTIVA SERIES ROOF TOP Air Conditioners 017 040 User manual Ref N 40390_EN 0911 E 4 JOA Johnson o Controls ual YORK BY JOHNSON CONTROLS Index Index 1 MSOF WAMU 52 feces weiss R obi ek cod E80 Ma swe A asset Bes AE aS a i EEan 1 1 1 General description of the Unit cccccccccccessssssssssssssssssessccnseeeeeeeseeseeseeeeeseeeseeeeeeeseeesessesseess 2 1 1 1 DeSChiptiomOf the Unit aenea a a R aadty 2 1 1 2 Service and Maintenance ACCESS cccceeeeeee eect eect ener reen erne 4 1 2 Intended use of the Unit scicciiesccdieeceececevivecees tethves oedae betenceiindh EAN 4 1 3 Description of the unit s main Control panel ssssssecceceeeceessssesesenseeseeeeseeeesesessssseseessees 5 1 4 Modes of operation ccccescceeeeecceeeeeeeeeeeneeee ee aaeeeeeaeeeeeenaeeeesgaeeeeaaaesesesaeeeenecaeeeseneeeesseanenss 5 1 4 1 ARC Models air conditioning 2 022000 ciated ecevsnanececceseanecceeeevuananedeceesnaaeeedeevsnsaeeeseessunteeeeessaunanees 6 1 4 2 ARH Models heat PUmp ccc cece cece eee ee cece eeaeaeaaecaeceeeeeeeeeeeeeeeeeeeeetedsecseceeccacencuaeeaeeeeeees 6 1 4 3 ARG ARD Models cooling heat pump gas burner heating cceeeeeeeeeeeeeenneeeeeeeeeeenaaas 6 1 4 4 General INSUUCHON Ss onsen eisenii in a a e a aE aa A 6 1 5 Operating instructions c cccsscsscsseseeeeeeceee
8. ctor The main control panel is found on the unit itself and is protected from the outside by a removable metal panel Given that the air conditioning unit is installed on the roof of a building or property users must under no circumstances inspect or adjust the unit themselves All of inspections or adjustments that may be made by the user are performed using the DPC 1 thermostat Should the air conditioning unit become faulty the auto diagnostics system in the unit will identify the source of the fault and will activate the indicator 1 on the DPC 1 thermostat screen The bottom left of the i 2 T1 mr mere Ur Oy A el E703 est ee Fogg F9 F10 i Q3 FC Te Na oo lo war O Jel KM1 KM3 KM5 e J 1 e a ipon inond 0na f gt 1 m oooa oo00 screen will also display a two
9. digit figure 2 to indicate the part affected See Placing the unit out of service for a planned stoppage or breakdown see on page 9 Where the thermostat screen continues to display the indicator 1 and any fault code or if the air conditioner does not start contact a Johnson Controls Inc Authorised Technical Assistance Service 1 4 Modes of operation The Roof Top ACTIVA range of air conditioning units includes different models The operating mode for each one varies depending on the specific model ual YORK 1 User manual BY JOHNSON CONTROLS 1 4 Modes of operation 1 4 1 ARC Models air conditioning The ARC model circulates refrigerant gas R 410A through a cooling circuit driven by the compressor The propelled gas circulates through an evaporator coil where it absorbs ambient heat and evaporates To liquefy the evaporated gas it is then circulated through a condenser coil where it releases the previously absorbed heat into the atmosphere To favour the evaporation and condensation of the refrigerant gas the unit has supply and intake fans that force the air through each of the coils In the case of the evaporator the fan pushes air to the inside of the building or property through previously installed distribution ducts In the case of the condenser the fan pushes fresh air through the coil and then sends it back outdoors A series of filters remove dust particles and pollen etc from the supply air sent inside the buil
10. ding or property 1 4 2 ARH Models heat pump The ARH models operate the same way as the ARC models but in addition they can invert the cooling circuit operation in such a way that the coils trade functions and send the warm air to the inside of the building and the cold air outdoors 1 4 3 ARG ARD Models cooling heat pump gas burner heating The ARG ARD models join an additional heating and air supply system to their respective cooling circuits In this case the air inbound to the building or property circulates in a chamber where a tube exchanger is located High temperature from the gas burner circulates inside the pipes 1 4 4 General instructions A CAUTION Always keep the electrical power supply connected to the unit Only disconnect the unit if it is not to be used for a long period of time When preparing for seasonal use connect the unit to the electricity supply at least 8 hours before starting it Connect the air conditioning unit to the electricity supply at least 8 hours before starting it To do so use the general switch Q3 22 42222222222222722272272227272272722227227222727222777 4 ial YORK BY JOHNSON CONTROLS User manual 1 Operating instructions 1 5 False start the compressors connect them just long enough to make a few turns To do so use contactors KM1 and KM2 Wait for 5 to
11. eeeeseesessessseseeeeccseceesenseeesecseceeeeeeseeeeeseeeesesseeseeess 7 1 5 1 Thermostat connections to the Control DOAIC ccccccceccee cee ee eee eeeeeeceeceeeaaaeaaecaeeeeeeeeeeseeeeeess 7 1 5 2 Thermostat CONNECTIONS oursin a a a E a aaia 8 1 6 Safety and equipment protection SYSteMS cccceeeceeeeeneeeeeeeeeeeeeeeeeeeeeaeeeeeenaeeeneenaeeenenaees 8 1 7 Placing the unit out of service for a planned stoppage or breakdOwn ssssssssseeeeeeees 9 1 7 1 Placing the unit out of service for a planned StOppage eccceeecceceeeeeeeeeteeeeetenneeeeeteeees 9 1 7 2 Placing the unit out of service for seasonal StOPPAGE cceeeeeeeeeeeeeeeeeeeteneeeeeeeeetaeeeeeeeeeeaaas 9 1 7 3 Placing the unit out of service due to breakGOwN ccccceeeeeceeeeceeeeeecneeeeeeeenaeeeeeeeenaeeeeeeeeaaas 9 1 7 4 Fault codes for the air conditioning UNit eee eee ceee eee eene eee eeenaeeeeeeeaaeeeeeeeesaeeeeeeeaaeeeeeeeaaes 10 1 7 5 Restarting the air conditioning unit in the case of breakdown W u u ssssseeeeeeeeeeeeeen keen renee 10 1 8 Regular maintenance activities for which the user is responsible ccssssesssesseseeeeseees 11 1 8 1 Maintenance Schedule ccs ccc 2pccssanttietadeccnedadaet sees daaenatentne ed ad i a SE Fed abe aiaa dacs sadsensugaaneze 11 1 8 2 Maintenance responsibilities of the Uuser ssssseseeeneeene renerne renerne 11 1 User man
12. nimum amount of work electrical and control cables can be pulled into the unit at the side or through the base Electrical panel The electrical panel of the unit complies with the standards EN60204 1 and EN60439 1 The main circuit breaker with drive lever is a standard element in all units The electric motors are protected with specific thermal magnetic switches and motor protection relays The unit is fitted with a sequence and phase fault sensor where a non R S T phase sequence is detected or where once the unit is running there is a phase fault the sensor will disconnect the power supply to the main board of the unit preventing it from starting YKN2 Open Control Circuit This is a 24 V control circuit It can operate with the optional DPC 1 thermostat communication as well as a 24 V thermostat with control signals Y1 G O B W The YKtool system analyser can be used to simplify commissioning and placement and to solve any installation or operational faults Gas Burner ARG ARD Units All of the models that operate with gas have the same two capacity control stages The burner group consists of an rustproof steel pipe exchanger type AISI 409 adjustable gas valve electronic starter control mechanical ventilation and all the safety controls necessary to satisfy EC standards The gas supply pipe can be piped to the heating compartment either on the side of the unit via an access hatch situated in the corner or on the lower
13. ning unit become faulty the auto diagnostics system in the unit will identify the source of the fault and will activate the indicator 1 on the DPC 1 thermostat screen The bottom left of the screen will also display a two digit figure 2 to indicate the part affected ual YORK 1 User manual BY JOHNSON CONTROLS 1 7 Placing the unit out of service for a planned stoppage or breakdown 1 7 4 Fault codes for the air conditioning unit Code Description 11 21 31 Discharge temperature exceeded 12 22 32 High pressure switch outdoor fan thermal switch or compressor module thermal switch depending on model 13 23 33 Low pressure switch 14 Indoor fan thermal switch 15 25 35 Repeated cold start up or suction temperature lt 25 C 41 Gas control 1 or heating element 1 fault 42 Gas control 2 or heating element 2 fault 43 Heating element 3 stage fault 44 Heating element 4 stage fault 45 Fault in economiser or hot water coil outdoor supply water return probe 46 Smoke detector high temperature or supply temperature gt 80 C 91 Ambient probe open or short circuited 92 Internal probe not calibrated 93 Communication error 94 fault with AL terminal connected 95 S5 digital probe not detected 96 S6 digital probe not detected 97 S7 digital probe not detected 98 S8 digital probe not detected 99 Digital outdoor probe not detected wore
14. or mental capacities or without adequate experience or knowledge unless they have received instructions or been supervised in the use of the appliance by an individual responsible for their safety Children must be supervised at all times to ensure that they do not play with the appliance Only trained Johnson Controls Inc personnel with the necessary means and tools may carry out maintenance and upkeep work on the unit Trained personnel must be aware of the health and safety regulations and procedures applicable to HVAC units They should also be aware of general procedures and those applying specifically to this unit Contact a Johnson Controls Inc Authorised Technical Assistance Service for scheduled maintenance on this unit PRODUCT DISPOSAL According to Directive 2002 96 EC of the European Parliament and of the Council of 27 January 2003 the presence of the symbol on the product or in the documents included with the product indicates that this product is classified according to current law as an electrical and electronic device and therefore this product cannot be dealt with at the end of its working life as domestic or urban waste re The product must be taken to collection points for the recycling of waste electrical and electronic equipment The appropriate management reuse assessment and recycling of these products protect human health and the environment 12
15. part of the unit via an access hatch situated in the base The unit provided is complete and ready to be hooked up to a natural gas connection at 20 mbar 2ND H G20 By making certain adjustments it can also be easily converted to use with the 2ND L G25 natural gas family In addition it is possible to adapt it to operate with LPG Liquefied Petroleum Gas propane G31 using a specific conversion kit for the adaptation ual YORK 1 User manual BY JOHNSON CONTROLS 1 2 Intended use of the unit Noise emissions All units operate with extremely low noise emission levels The compressors have anti vibration mounts as well as vertical discharge fans that direct noise upwards away from surrounding buildings and property 1 1 2 Service and Maintenance Access The unit access panels have 1 4 turn closures and levers offering fast secure access to all components that require service or maintenance Access to the control circuit is independent to the cooling system of the unit The unit is fitted with connections for specific manometers for easier reading of cooling circuit pressures These connections can be accessed from outside and no panel has to be opened or removed for this task 1 2 Intended use of the unit The Roof Top ACTIVA series of units is exclusively designed for the air conditioning of buildings and properties The unit uses a cooling system heat
16. protection systems The Roof Top ACTIVA range of air conditioning units includes an entire series of safety and protection systems intended to provide a high degree of safety for users and maintenance personnel Those not expressly authorised to use the air conditioning unit must not handle it or perform repair or maintenance work Safety systems Johnson Controls Inc manufactures air conditioning units in accordance with EU occupational protection and user safety regulations provided that the units are used and maintained in line with the instructions and indications given in this document Given that the air conditioning unit is installed on the roof of a building or property users must under no circumstances inspect or adjust the unit themselves All of inspections or adjustments that may be made by the user are performed using the DPC 1 thermostat The air conditioning unit is fitted with electrical protection systems to protect personnel responsible for its regular maintenance and upkeep As established by applicable electricity regulations the electrical system is fitted with electricity surge and current leakage protection system consisting of differential circuit breakers and thermal magnetic switches not supplied by the manufacturer must be installed on site Under no circumstances is the user of the air conditioning unit exposed to live parts Likewise access to moving parts by unauthorised persons is prevented This involves
17. se of electricity a long working life and compliance with the regulations of each country regular maintenance inspections must be made Johnson Controls Inc shall not be considered responsible for any damage caused by improper maintenance of the HVAC unit which includes anything inconsistent with that described in this document or others specifically provided with the unit To make them easier maintenance tasks have been grouped by time intervals in a series of tables 1 8 2 Maintenance responsibilities of the user Like any other machine the HVAC unit requires regular maintenance as the wear to which some of its parts are subjected can affect its mechanical reliability and the safety of those responsible for its maintenance In compliance with current regulations the unit must be regularly inspected and the results recorded on the forms provided by the Labour and Health Authorities of the country where the HVAC unit is installed Users cannot access this form to perform maintenance and upkeep tasks on the unit There is no intent for the user to perform any maintenance tasks on the HVAC unit 11 ual YORK 1 User manual BY JOHNSON CONTROLS 1 8 Regular maintenance activities for which the user is responsible PX bancer It is strictly prohibited for the user to carry out any maintenance or upkeep tasks on the HVAC unit This appliance is not destined for use by people including children with limited physical sensorial
18. ual ul YORK 1 User manual BY JOHNSON CONTROLS 1 1 General description of the unit 1 1 General description of the unit 1 1 1 Description of the unit The Roof Top ACTIVA range of units is made up of a series of compact models of proven reliability Depending on the type of installation models are available with air conditioning heat pump and heating with gas burner The air intakes and outlets can be configured vertically or horizontally on all models Software installed in the YKN2 Open electronic board provides electronic management for the units The specific configuration of each unit is programmed in this board In addition a wide range of accessories is available to adapt the units to the specific requirements of each application The Roof Top ACTIVA air conditioning units can operate in extreme climate conditions The entire range of units uses environment friendly recyclable R 410A gas refrigerant Features of the structure The structure of the unit is designed to drain rainwater and condensation to its exterior The roof in the evaporator area has a drain all along its perimeter to prevent the water accumulated on the top panel from flowing down the sides Construction features and anti corrosion protection All metal parts of the structure are made of galvanised aluminium steel plate The outdoor parts are treated with an oven polymerised polyester paint RAL9002 guaranteeing a quality finish that lasts for many years
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