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KRE-500DX1

KRE-1000DX1

INSTALLATION, USER &

MAINTENANCE MANUAL

Cross-flow heat recovery

Содержание KRE-1000DX1

Страница 1: ...KRE 500DX1 KRE 1000DX1 INSTALLATION USER MAINTENANCE MANUAL Cross flow heat recovery ...

Страница 2: ... Positioning of the unit page 12 3 6 Drain tray connection page 12 3 7 Connection to the ducts page 12 3 8 Connecting the refrigerant pipes page 13 3 9 Connecting PRE DX page 14 SECTION 4 ELECTRICAL CONNECTIONS page 15 4 1 Electric board s layout DX Module page 15 4 2 Wiring plan page 16 4 3 Temperature sensor Installation page 17 4 3 Wiring connection page 18 4 4 1 Access to electrical panel page...

Страница 3: ... 4 2 421 6 9 8EBA E45 8 4 6AEF FG D8 94E6 6A A F86 6A R 4 EA6 8FO U D8 EFD4F4 BD8EEA 4 4 8D4 7 A 8D6 A 7 8DA 4 F4 4 8D4 FIADF 6 8 9TD 7 8 F86 E6 8 F8D 4 8 KGE4 8 EF8 8 U EF 74E F8D 8 8 58 78D 4 78 E 4 8D HA 8DA 4 F4 8 D8 EFD 8DF 8EBA E45 8 BAGD 6A B 8D 8 7AEE 8D F86 CG8 8EF 4 EA6 QFQ U 8 D8 EFDQ8 O 4 4 5D8 78 A 8D68 78 8DA 4 8 F4 8 64D 47A 78 8 45AD4D 8 8JB87 8 F8 FQ6 6A 8E 4 8 BD8E4 W D8 EFD474 8...

Страница 4: ...on workmanlike that is in compliance with the regulations in force and with the indi cations of this handbook The distributor Company does not answer to possible damages to people animals or things due to wrong installation regulations and maintenance or due to illegitimate use Remember that in the use of products that use electrical energy and water some fundamental rules of security must be obse...

Страница 5: ...s The use of the same for different purposes from those envisioned not conform to that described in this manual will make any direct and or indirect liability of the Manufacturer automatically become null and void IDENTIFICATION OF THE UNIT SYMBOLS USED WARNING DANGER DANGER OF ELECTRICAL SHOCK QUALIFIED STAFF ONLY PROHIBITION 0 1 1 4 0 1 3 0 2 0 2 10 1 0 0 14 1 01 0 B A C D E F G H L M I A Manufa...

Страница 6: ...unit control to use fresh air free cooling when convenient Low consumption high efficiency low noise direct driven fans with EC motors Supply section complete with DX coil R410A fitted with solenoid control valve freon filter contact temperature sensors on liquid and gas line NTC sensors upstream and downstream airflow Integrated sanitization system BIOX DX switched on at fans running able to do a...

Страница 7: ...ce side at nominal conditions 3 Outside air at 5 80 RH room air at 20 C 50 RH 4 Outside air at 32 50 RH room air at 26 C 50 RH 5 Refeer to EU 1253 2014 regulation at nominal pressure air conditions refer to EN 308 standard 6 Air inlet condition 13 C DB RH 40 11 C DB RH 45 condensing temp 40 C 7 Air inlet condition 28 5 C DB RH 50 evaporating temp 7 C pag 7 Model Dimension mm Weight net gross Kg Pa...

Страница 8: ...rves 0 50 100 150 200 250 300 0 100 200 300 External static pressure Pa 400 500 600 Air flow m3 h 0 100 200 300 400 500 0 200 400 600 800 1000 1200 1400 External static pressure Pa Air flow m3 h KRE 500DX1 KRE 1000DX1 pag 8 ...

Страница 9: ...ed are supplied packed in a suitable covering and fixed to the inside or outside of the unit 2 2 Handling and transport For the handling in function of the weight use adequate means in conformity to the directive 89 391 EEC and successive modifications The weight of every single machine is shown on the attached technical data sheet Avoid rotations without control Take utmost care during loading op...

Страница 10: ... all cost to touch the parts in motion or to intefere with the same ones Do not proceed with cleaning or maintenance operations before switching off the electric power supply The maintenance and the substitution of damaged or worn out parts of the unit must be carried out by qualified staff only and following the indications contained in this handbook Spare parts must correspond to the requirement...

Страница 11: ...450 mm MINIMUM FREE SPACE FOR CHECKING AND MAINTENANCE CEILING FALSE CEILING pag 11 Modello KRE DX KRE 500DX1 KRE 1000DX1 A mm 450 450 ...

Страница 12: ...s advised to interpose an antivi brating joint between the air outlets and yhe ducts The electrical continuity between duct and machine must however be guaranteed through a earth cable The distance between indoor inlet port and indoor intake port should be as far as possible In order to prevent the penetrations of rains the ducts connecting the unit with the outside should be protected by grilles ...

Страница 13: ...taminants moistu re dirt metal filings etc from entering the tubing Remove the flare nut from the unit and be sure to mount it on the copper tube Make a flare at the end of the copper tube with a flare tool A good flare should have the following characteristics inside surface is glossy and smooth edge is smooth tapered sides are of uniform length Apply a sealing cap or water proof tape to prevent ...

Страница 14: ...RH 70 increase the thickness of the gas tubing insulation material by 1 step ø Tube Tightening torque Tube thickness ø 6 35 1 4 14 18 N m 0 8 mm ø 12 7 1 2 49 55 N m 0 8 mm Unit KRE 500DX1 KRE 1000DX1 Gas Pipe ø 12 7 mm Liquid Pipe ø 6 35 mm 3 9 Connecting PRE DX The electric heater shall be connected to the suction of fresh air stream both upstream and downstream to a duct of the same nominal dia...

Страница 15: ... off switch and of everything that is necessary for the protection of the electri cal components as close as possible to the unit Connect the unit to an effective earth using the appropriate screw fitted on the unit Before beginning whichever operation make sure that the voltage supply is cut off Carry out the connection with cables of a section which is adapted to the engaged power and in the res...

Страница 16: ...APPRESENTATI I COLLEGAMENTI DA EFFETTUARSI A CURA DELL INSTALLATORE DASHED LINES SHOW THE CONNECTIONS TO BE CARRIED OUT BY THE INSTALLER exhaust fan supply fan Bypass Electrical heater Humidity sensor Dial switch RA Probe FR EA Probe OA Probe SA Probe CO2 Probe L N Pressostato differenziale filtri Differential filter pressure switch Max speed Low speed Medium speed LD4 BIOX DX opzionale option Bus...

Страница 17: ...he inlet pipe of the evaporator T2 is an AHU evaporator intermediate temperature sensor it should be installed at the intermediate pipe of the evaporator T2B is an AHU evaporator outlet sensor it should be installed at the outlet pipe of the evaporator TA is an outlet air temperature sensor and therefore does not need to be installed if outlet air temperature control is not selected Mounting locat...

Страница 18: ... on the left FIG 4 4b 4 4 2 Insertion of the electrical supply line and signals for accessories Screw down the cable glands placed outside the QE insert the cable into the cable gland cover then into the cable gland towards the inside of the compartment taking care to pass it through the already prepared ferrite core Ref fig 4 1 page 45 fig 4 4a fig 4 4b ...

Страница 19: ...stem connects to the indoor unit centralized con troller the actual address and the virtualaddress will be displayed on the centralized controller e g when the capacity code of independent control box is E the setting actual address is 5 then the actual address 5 and virtual address 6 will be displayed on the centralized controller that is to say it equals to two indoor units and the states of fou...

Страница 20: ...number of slave AHU control boxes connected in parallel is 1 SW1 3 and SW1 4 are 10 the number of slave AHU control boxes connected in parallel is 2 SW1 3 and SW1 4 are 11 the number of slave AHU control boxes connected in parallel is 3 ON 1234 Valid for the master unit only ON 1234 Valid for the master unit only ON 1234 Valid for the master unit only 2 Definitions of each bit of SW2 ON 1234 SW2 1...

Страница 21: ...alid SW3 3 and SW3 4 are 11 temperature compensa tion in heating mode is 0 C Follow Me function SW3 3 and SW3 4 are 11 No temperature compen sation for outlet air temperature control by default Valid for the master unit only ON 1234 Valid for the master unit only ON 1234 Valid for the master unit only ON 1234 Valid for the master unit only ON 1234 Valid for the master unit only ON 1234 Valid for t...

Страница 22: ... TA and T2B factory default SW9 2 is 1 Multiple AHU control boxes are connected in parallel In the event of multiple coils one coil is connected to one control box shielding faults from the slave unit s temperature sensor T1 TA Valid for the master unit only 00 KAHU 90 4 model ON Valid for the master unit only ON Valid for the master unit only ON 12 7 Definitions of J1 Without jumper no short circ...

Страница 23: ...tted 14 E9 only for wired controler 15 Error of electronic expansion valve coils Eb restore after power on again ODU error 17 Ed Water level alarm error EE 18 Low temperature alarm 19 H2 High temperature alarm H3 20 Displayed content 21 The number of detected AHU control boxes and the number of dialing units are inconsistent or Master slave communication is not available H6 22 Capacity DIP switch ...

Страница 24: ... HP of control box Control box network address the same as the communication address Set temperature Ts Room temperature T1 Actual T2 AHU temperature Actual T2A AHU temperature Actual T2B AHU temperature TA temperature Compressor discharge temperature show high discharge temperature Target superheat degree reserved EEV position 8 Software version No Error Code SECTION 5 SETTINGS MODULE ...

Страница 25: ...speed To set the swing function heater function1 to cancel the timer heater function1 to confirm the timer Button Functions 1 Mode 6 Adjust downwards 2 Fan speed 3 Swing 9 Cancel KCT 03 SRPS A ON OFF Cancel Conf Swing F F Swing Conf Cancel ON OFF Adjust Adjust ON OFF button Operating indicator Cancel Confirm receiving window wired controller Mode Fan speed Swing Function Function Swing Fan speed M...

Страница 26: ...ll spin to indicate that the indoor unit has started running see Figure 6 1 on the wired controller will will stop spinning as the indoor unit stops running 4 2 Mode Setting Press Mode button as shown in Figure 6 3 4 2 Mode Setting w that the indoor unit has started runn will stop spinning as the indoor unit stops runnin contro on the wired ing see Figure 6 1 of the indoor unit on the display will...

Страница 27: ...he fan speed in turn as shown in Figure 6 6 Fan speed button to set Auto and Dry Auto press Fan speed button Field Setting to adjust the default fan speed Auto Speed 1 Speed 2 Speed 3 Speed 6 Figure 6 6 Note Fan or Heat Cool butto speed Fan to set the operat button Fan speed to set n fan ting Dry and Auto the fan speed in turn as shown in Figure S Speed 2 Speed 1 Auto Note Auto butto Fan speed e 6...

Страница 28: ...rs out through the proper handles Remove the 2 filter by making them scroll on the slides CLEANING OF THE HEAT EXCHANGERS Remove with the vacuum cleaner the dust that can be present inside the heat exchangers and verify that there are no foreign objects ATTENTION you must not wash the heat exchangers If they are excessively dirty or damaged they have to be replaced WASHING OF THE FILTERS Remove th...

Страница 29: ...of the unit Unlock the electric connector After laying the module on a flat surface unscrew carefully the quartz capacitor C Remove the external net R if it should be difficult rotate it lightly around the capacitor Clean the capacitor with a wet cloth Wash the net with a jet of hot water and dry thoroughly with a dry cloth If the pipe is damaged it shall be replaced with a new one As soon as a wh...

Страница 30: ...correspond to that of the nameplate The rotor turn backwards Noise Excessive air flow Wear or crack in the pads Unbalanced fan Foreign bodies in the case Strong vibrations Unbalanced impeller because of wear or of dust deposit Sliding of the impeller on the case due to deformations Cloggings in the air ducts This symbol indicates that this product must not be disposed of with household waste Dispo...

Страница 31: ...be refrigerant outlet gas 1 18 DX coil air temp probe 2 19 ePM2 5 Filter pressure switch CT0AFS930800PF00 1 20 Heat recovery temp probe 4 KRE 1000DX1 1 Spigot MV00BOC0MICH0800 4 2 Right bracket 2 3 Electrical box CP04V00MICROEH00 1 4 Plate heat exchanger PR000E000MICH100 2 5 Electronic expansion valve 1 6 DX coil BTAECY0550J03RO0 1 7 Main electrical board CT0AHUKZ00D00000 1 8 Motor 50 Hz 60Hz MTE0...

Страница 32: ......

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