Panasonic PAW280MAH2 Instructions d'exploitation

Air Handling Unit KitInstallation InstructionsSETAL1OUTATUPVSVºCºC

10Ventilation theory and air handling units2 Ventilation theory and air handling units2.1 Purpose of air-conditioningThe purpose of air-conditioning

11Ventilation theory and air handling unitsVentilation demandsVentilation must meet the following demands: ● Provide outside air (oxygen) for breathin

12Ventilation theory and air handling unitsand heating coils, variable air volume (VAV) valves, thermostats and other air-handling equip-ment are used

13Ventilation theory and air handling unitsIn most cases, the pressure in ventilated spaces is equal to the atmospheric pressure of the outside. This

14Ventilation theory and air handling unitsAir handling units can be manufactured targeted at the specic purpose for which they will be used. Possibl

15Ventilation theory and air handling unitsSupply/Exhausttypewithcross-owheatexchangerSupply/Exhaust type with mixing chamberSupply exhaust type

16Ventilation theory and air handling unitsSupply/Exhaust type with glycol heat exchangerConnecting AHU systems via the AHU Kit to ECOi/ECO G or PACi

17Product description3 Product description3.1 General descriptionAHU Kits connect Panasonic ECOi, ECO G and PACi outdoor units to third-party air ha

18Product descriptionThe light version, denominated by the letter “L” in the model name, contains the following components: ● IP65 case ● Control unit

19Product descriptionCZ-CAPBC2 Mini seri-para I/O unit (advanced version only) ● Easy integration in external AHU control systems and BMS ● Demand con

20Product description3.3 System lineupSystem lineup – ECOi systemsCapacity Outdoor unit combination AHU Kit combinationHP kW5 16 all ECOi outdoor uni

21Product descriptionSystem lineup – PACi systemsCapacity (kW)Outdoor unit1AHU KitPACi Standard PACi EliteSingle-phase units Three-phase units Single-

22Product descriptionExterior view of the AHU KitAHU Kit including PCB, power transformer, terminal blockExpansion valveThermistor x2(Refrigerant: E1

23Product description3.5 Wiring layoutWiring layout – ECOi and ECO G systems13AC IN(BLK)12OC(BLU)13RC(BLU)12EXCT(RED)123WAY(BLK)345 13OP1(YEL)13FAN(W

24Product description13AC IN(BLK)12OC(BLU)13RC(BLU)12EXCT(RED)123WAY(BLK)345 13OP1(YEL)13FAN(WHT )57913T20(GRY)13TRANS-P(WHT )12TRANS-S(WHT )34BRNBRNW

25Product description13AC IN(BLK)12OC(BLU)13RC(BLU)12EXCT(RED)123WAY(BLK)345 13OP1(YEL)13FAN(WHT )57913T20(GRY)13TRANS-P(WHT )12TRANS-S(WHT )34BRNBRNW

26Product descriptionWiring layout – PACi systems13AC IN(BLK)12OC(BLU)13RC(BLU)12EXCT(RED)123WAY(BLK)345 13OP1(YEL)13FAN(WHT )57913T20(GRY)13TRANS-P(W

27Product description3.6 AHUKitenclosurecongurationAHUKitenclosurecongurationSETAL1OUTATUPVSVºCºC Note: AHU Kit shown with transparent front

28Product descriptionLower mounting board567981011Lower mounting board5 Auxiliary transformer6 Transformer7 Relay8 Single motorized valve PCB9 Relay

29Product descriptionSystem example for ECOi single-connection systemECOi or ECO G Air Handling UnitI/D-O/D wiringWiring for Thermostat & Solenoid

3 Air Handling Unit KitInstallation InstructionsOriginal Installation Instructions (English) Preliminary version as at December 2014COPYRIGHT © Panaso

30Product descriptionSystem example for ECOi multi-connection system (140 kW capacity)16 HP 16 HP 18 HP28 kWH/E56 kWH/E56 kWH/ELiquid tubePAW-280MAH2P

31Product descriptionSystem Overview – PACi systemsSingle-connection1 system onlyStrainer (liquid pipe & gas pipe) min. Ø 25.4 mm (eld supplied)A

32Product description3.8 Technical data and limitationsImportantApart from the technical data and limitations given in the following tables, the tech

33Product descriptionTechnical data and limitations – PACi systemsAHU Kit PAW-280PAH2(L)Outdoor unit PACi Standard 1-phase U-60PEY1E5 U-71PEY1E5 U-100

34Product descriptionTechnical data and limitations – PACi systems (cont.)AHU Kit PAW-280PAH2(L)Outdoor unit PACi Elite 1-phase U-50PE1E5 U-60PE1E5A U

35Product descriptionTechnical data and limitations – PACi systems (cont.)AHU Kit PAW-280PAH2(L)Outdoor unit PACi Elite 3-phase U-200PE1E8 U-250PE1E8N

36Product descriptionDistance between tube sheets: 1,000 mm Number of row: 3Minimum number of passes = 12 × 3 × 1.5 × 10–4 = 5.4 This value must be ro

37Installation4 Installation4.1 Installation of AHU KitWARNINGElectric shock from live power supply cordsElectric shock may result from contact with

38Installation2. Loosen the 4 screws in the corners of the enclosure and remove the cover from the enclo-sure. 3. Mount the backside of the enclosur

39InstallationNOTICESignal errors through noise from live power supply cordsPower supply cords can generate noise, which may cause signal errors, if t

4 Table of Contents1 General information and safety instructions ... 61.1 Introduction ...

40Installation4.2 Installation of refrigerant pipingWhen installing the refrigerant piping, the following limitations and restrictions need to be obs

41Installation4.3 Installation of expansion valveInstallation of expansion valve – ECOi and ECO G systemsNOTICEDamage to the expansion valve wiresExp

42Installation ● The coil wire must be inserted drooped in the AHU body with the drooping wire being close to the AHU Kit. Inside of AHUAHU KitDroopin

43Installation ● The thermistor wire must point downwards from the thermistor to avoid water reaching the thermistor. ● The thermistor wire must be i

44Installation2. Cover the thermistor and pipe with aluminum tape. 3. Cover the aluminum tape with thermal insulation. 4. Fix thermal insulation an

45Installation4.4.2 InstallationofthermistoronliquidpipeMount “E1” thermistor to liquid pipe of AHU heat exchanger according to the following in

46Installation4.4.3 Installation of thermistor on heat exchanger pipe middleInstallation of thermistor on heat exchanger pipe middle – PACi systemsMo

47Installation4.4.4 Installation of thermistor for suction and discharge air streamMount the suction and discharge air thermistors according to the f

48Installation3. Place a NOTE label, which indicates that the jumper wire has been cut, in the following des-ignated areas on the outdoor unit. NOTES

49Electrical Wiring5 Electrical Wiring5.1 General precautions on wiringWARNINGElectric shock from live power supply cordsElectric shock may result f

5 5.6 Connection of external signal lines... 575.7 Electric circuit

50Electrical Wiring5.2 Recommended wire lengths and diametersImportant ● The letter coding (A to F) used in the following tables refers to the wiring

51Electrical Wiring5.3 Wiring system diagramsWiring system diagram – ECOi systemsU2U1R2R1LNR2R1R2R1R2R12121U2U1LNU2U1LNU2U1LN212121DECBLNLNLNLN21BBBC

52Electrical WiringWiring system diagram – PACi systemsFor single-phase outdoor unitsRemote controllerWHT BLKPower supply220 – 240V ~50/60HzPower sup

53Electrical Wiring6. Use the standard power supply cables for Europe (such as H05RN-F or H07RN-F which conform to CENELEC(HAR) rating specications)

54Electrical WiringNOTICEOverheatingofterminalswithresultingunitmalfunctionorevenreduetoloosewiringLoose wiring may cause the terminal t

55Electrical WiringSection D Section E Section FNo. Name Description Note No. Name Description Note No. Name Description Note1 L Power supply 230 V AC

56Electrical Wiring4. Place the wire-end sleeve into the socket on the connector and replace and tighten the re-moved terminal screw using a at-blad

57Electrical Wiring5.6 Connection of external signal linesWhen installing the external signal lines (blower signal output and blower protection input

58Electrical WiringBlower signal outputThis fan control is usually at ON position at the time of operating, but becomes OFF in defrosting.10P Connecto

59Electrical Wiring5.7 Electric circuit examplesElectric circuit example – ECOi systemsMulti-connection systems with 3 AHU Kits10P ConnectorBlower si

6General information and safety instructions1 General information and safety instructions1.1 IntroductionThis document contains the installation ins

60Test Run6 Test Run After installation and before operation of the system, perform a test run according to the Test Run section in the Installation

61Control7 Control7.1 Remote controllerThe standard Panasonic wired remote controller CZ-RTC2 is an integral part of the AHU Kit. All control and se

62Control7.2.2 OperationStatus messagesAfter the thermostat has been switched on, the PV and SV displays jointly show a set sequence of three status

63ControlImportantThe set temperature value, which is adjustable by the above procedure, can be used in differ-ent ways and with different functions d

64ControlParameter menuNo. Parameter codeParameter name Setting rangeDescription1 ALI Inactive –2 HY Hysteresis 0 ... 50 Switching difference relative

65ControlNOTICESystemheat-uptotemperaturessignicantlyexceedingthesettemperaturevalueDuring Auto-Tuning mode the system may heat up to temper

66Control4. Press the button repeatedly to select the entry “PSL”. repeatedly 5. Use the and buttons to change the value to either “0” (= fac

67Control5. Use the and buttons to change the value to either “1” for “output 2 ... 10V” or “2” (= factory setting) for „output 0 ... 10V“. 6.

68Control6. Restore and fasten the upper mounting board in its original position, and close the AHU Kit enclosure again (see “4.1 Installation of AHU

69Control6. On the CZ-CAPBC2 PCB, located on the lower mounting board inside the AHU Kit enclo-sure, make sure that switches S1 to S4 are set as foll

7General information and safety instructions1.2 Structure and meaning of notices and symbolsSafety noticesWARNINGThis indicates a hazardous situation

70Control7. Restore and fasten the upper mounting board in its original position, and close the AHU Kit enclosure again (see “4.1 Installation of AHU

71Control3. On the CZ-CAPBC2 PCB, cut jumper “JP1”, in order to activate the 0–10 V demand control mode for the external BMS. Make sure that all othe

72Control7. Close the AHU Kit enclosure again (see “4.1 Installation of AHU Kit“ – step 5).8. Via the signal wiring from the external BMS, which is

73Control7.2.6 Technical dataDimensions (W x H x D) mm 48 x 48 x 90 (approximately)Required void space mm 85 mm (approximately)Mounting cut-out (W x

www.aircon.panasonic.euDue to the ongoing innovation of our products, the specifications of this catalogue are valid barring typographic error

8General information and safety instructions1.3 Safety instructionsWARNINGThe following precautions need to be followed strictly, in order to avoid h

9General information and safety instructions ► Prevent the refrigerant gas from coming into contact with a fan heater, stove, range, or other source o