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Electrical Wiring

5.2 Recommended wire lengths and diameters

Important

● The letter coding (A to F) used in the following tables refers to the wiring system

diagrams in the next section.

● For information on “(A) Power supply of outdoor unit” refer to the “Installation

Instructions“ for the relevant outdoor unit.

Indoor unit

Type

(B) Power supply

Time delay fuse or circuit breaker

AHU Kit

2.5 mm

(AWG#13)

10 – 16 A

Max. 150 m

Control wiring

(C) Inter-unit control wiring

(between outdoor and indoor units

(D) Remote

control wiring

(E) Control wiring

for group control

(F) Inter-outdoor-

unit control wiring

0.75 mm

(AWG# 18)

Use shielded wiring*

2.0 mm

(AWG# 14)

Use shielded wiring*

0.75 mm

(AWG# 18)

Use shielded wiring*

0.75 mm

(AWG# 18)

Use shielded wiring*

0.75 mm

(AWG# 18)

Use shielded wiring*

Max. 1,000 m

Max. 2,000 m

Max. 500 m

Max. 200 m (total)

Max. 300 m

1 “E” and “F” are relevant for ECOi multi connection systems only.

Содержание PAW280MAH2

Страница 1: ...Air Handling Unit Kit Installation Instructions SET AL1 OUT ATU PV SV ºC ºC ...

Страница 2: ......

Страница 3: ...3 Air Handling Unit Kit Installation Instructions Original Installation Instructions English Preliminary version as at December 2014 COPYRIGHT Panasonic Marketing Europe GmbH 2014 All rights reserved ...

Страница 4: ...sure configuration 27 3 7 System Overview 28 3 8 Technical data and limitations 32 4 Installation 37 4 1 Installation of AHU Kit 37 4 2 Installation of refrigerant piping 40 4 3 Installation of expansion valve 41 4 4 Installation of thermistors 42 4 4 1 Installation of thermistor on gas pipe 43 4 4 2 Installation of thermistor on liquid pipe 45 4 4 3 Installation of thermistor on heat exchanger pi...

Страница 5: ...tric circuit examples 59 6 Test Run 60 7 Control 61 7 1 Remote controller 61 7 2 Thermostat 61 7 2 1 Control and display elements 61 7 2 2 Operation 62 7 2 3 Initial Settings 67 7 2 4 Error Codes 72 7 2 5 Maintenance and Service 72 7 2 6 Technical data 73 ...

Страница 6: ... control such as humidity control and fresh air is needed The installation should be performed only by qualified electricians in strict accordance with the installation instructions and especially with the safety instructions given in this document Where information in this document does not apply to all three VRF system ranges but only to either ECOi ECO G or PACi systems this will be indicated b...

Страница 7: ...d result in death or serious injury CAUTION This indicates a hazardous situation which if not avoided could result in minor or moderate injury NOTICE This indicates a hazardous situation which if not avoided could result in property damage Other notices Important This indicates other important information or references to other useful sources of technical data and descriptions i ...

Страница 8: ...secure Use the specified cables type and wiring diameter for the electrical connec tions and securely connect the cables Run and fasten the cables securely so that external forces or pressure placed on the cables will not be transmitted to the connection terminals Suffocation can result if refrigerant gas leaks and exceeds the limit density in a small room Installation of the refrigerant piping mu...

Страница 9: ...ing arresters or telephone ground lines Always install an earth leakage breaker Ignition of flammable gas or inflammable materials may result from installing the system in locations where flammable gas can generate enter build up or leak Do not install the system in locations where flammable gas can occur in any way Do not install in locations where volatile inflammable materials are handled 1 4 W...

Страница 10: ...ided to avoid muggy conditions Typi cally this limit value lies at about 10 g kg H2 O Absolute humidity rh relative humidity Temperature Cooling and humdifying Heating and humdifying Humdifying and reheating if required Humdifying only Comfort range 35 rh 24 C 20 C 65 rh Cooling only Heating only Energy savings Besides the advantages in terms of indoor air quality air conditioning offers also an e...

Страница 11: ...rn air which no longer meets the defined indoor air requirements e g in terms of temperature or hu midity is withdrawn from the room and rejected to the outside Thus a constant indoor air exchange is maintained by the mechanical ventilation system Recommended indoor air requirements Organizations concerned with setting quality standards for the HVAC industry Heating Ventila tion and Air Conditioni...

Страница 12: ...Wind Thermostat Thermostat VAV valve VAV valve 2 3 Mechanical ventilation systems Main components of mechanical ventilation systems The main components of a mechanical ventilation system are the following Air handling unit AHU Air ducts Air distribution elements Supply air Outside air Return air Exhaust air Types of mechanical ventilation systems Mechanical ventilation systems can be subdivided ba...

Страница 13: ...side pressure This means a certain amount of air is exfiltrated from the space through openings and cracks Examples are clean rooms operation theatres etc Depressurized The pressure within the ventilated space is negative lower compared to the outside pressure This means a certain amount of air is infiltrated to the space through openings and cracks Examples are kitchens toilets laboratories worki...

Страница 14: ...y sections Installation location indoor outdoor Execution horizontal vertical double deck or side by side Design e g standard hygienic explosion proof or anti grease DX coil with or without see below the example of an AHU system with DX coil Heat recovery with or without Size ranging from 150 m3 h to 100000 m3 h Applying European standards EN1886 EN13053 RA EA OA SA Casing Humidifier Air filter Da...

Страница 15: ...15 Ventilation theory and air handling units Supply Exhaust type with cross flow heat exchanger Supply Exhaust type with mixing chamber Supply exhaust type with rotary heat exchanger ...

Страница 16: ...y external 0 10 V signal Air Handling Unit AHU AHU control kit External BMS 0 10 V capacity control 1 This schematic layout applies to the advanced AHU Kit version only because it features an in built CZ CAPBC2 interface handling the 0 10 V control This enables two control alternatives Capacity control through external BMS via 0 10 V signal Capacity control through in built supply air or ambient t...

Страница 17: ...is controlled by the air intake or room return air temperature in the same way as a standard indoor unit Selectable modes Automatic Cooling Heating Fan Dry equivalent to Cooling Easy integration into BMS or AHU control systems using demand control 40 to 115 5 steps of nominal current by 0 10 V input signal advanced version only Room supply air temperature can be controlled by the additional thermo...

Страница 18: ...e contains also the following components Thermostat including an additional temperature sensor to be used either for room supply air or ambient air temperature Interface for 0 10 V control CZ CAPBC2 The heat exchanger fan and fan motor must be field supplied Control functions provided as standard by integral components CZ RTC2 Timer remote controller Operation ON OFF Mode selection Temperature set...

Страница 19: ...re setting is needed this can only be achieved by using a second optional CZ CAPBC2 interface PAW T10 PCB to connect to T10 connector Dry contact PCB for easy control of the unit Operation ON OFF input signal Remote control prohibition Operation ON status output signal maximum 230 V 5 A NO NC Alarm status output signal maximum 230 V 5 A NO NC PAW OCT DC12 V outlet OPTION terminal Output signal for...

Страница 20: ... 3 way systems is not allowed 3 PAW 560MAH2 L Mixed installation with standard indoor units is not allowed Connection to ECOi 3 way systems is not allowed System lineup ECO G systems Capacity Outdoor unit AHU Kit HP kW 5 16 all ECO G outdoor units PAW 160MAH2 L 1 10 28 all ECO G outdoor units PAW 280MAH2 L 2 20 56 U 20GE2E5 PAW 560MAH2 L 3 1 PAW 160MAH2 L PAW 160MAH2 L can be installed in combinat...

Страница 21: ... U 125PEY1E8 U 125PE1E5A U 125PE1E8A 14 0 U 140PEY1E8 U 140PE1E5A U 140PE1E8A 20 0 U 200PE1E8 25 0 U 250PE1E8 1 With PACi systems only 1 to 1 installations are allowed 1 x PACi outdoor unit 1 x PAW 280PAH2 L Combina tions with more than 1 outdoor unit or more than 1 AHU Kit are not possible 2 Mixed installation with standard indoor units is not allowed 3 4 AHU Kit dimensions and exterior view AHU ...

Страница 22: ...he AHU Kit AHU Kit including PCB power transformer terminal block Expansion valve Thermistor x2 Refrigerant E1 E2 Thermistor x2 Refrigerant E1 E3 Thermistor Air TA Thermistor x2 Air TA BL Note AHU Kit shown with transparent front cover removed ...

Страница 23: ... TH2 t TH4 t TH5 M1 6 WHT WHT BLK BLU WHT RED RED RED PAW 160MAH2 1 3 AC IN BLK 1 2 OC BLU 1 3 RC BLU 1 2 EXCT RED 1 2 3WAY BLK 3 4 5 1 3 OP1 YEL 1 3 FAN WHT 5 7 9 1 3 T20 GRY 1 3 TRANS P WHT 1 2 TRANS S WHT 3 4 BRN BRN WHT WHT RED RED TR1 1 2 PMV WHT 3 4 5 6 ORG RED YEL BLK GRY 1 2 HBS YEL CR UXRP71B P ORG RED YEL BLK GRY 1 2 TA YEL BLK BLK 1 2 E1 RED BLK BLK 1 3 E3 BRN BLK BLK 1 2 BL GRN BLK BLK...

Страница 24: ...HT WHT BLK VLT WHT RED RED PAW 280MAH2 1 3 AC IN BLK 1 2 OC BLU 1 3 RC BLU 1 2 EXCT RED 1 2 3WAY BLK 3 4 5 1 3 OP1 YEL 1 3 FAN WHT 5 7 9 1 3 T20 GRY 1 3 TRANS P WHT 1 2 TRANS S WHT 3 4 BRN BRN WHT WHT RED RED TR1 1 2 PMV WHT 3 4 5 6 1 2 HBS YEL CR UXRP71B P 1 2 TA YEL BLK BLK 1 2 E1 RED BLK BLK 1 3 E3 BRN BLK BLK 1 2 BL GRN BLK BLK 1 3 FS RED RED 1 2 PNL BRN GRN 1 2 FAN DRIVE WHT WHT RED BLK BLU P...

Страница 25: ... t TH5 RED PAW 560MAH2 1 3 AC IN BLK 1 2 OC BLU 1 3 RC BLU 1 2 EXCT RED 1 2 3WAY BLK 3 4 5 1 3 OP1 YEL 1 3 FAN WHT 5 7 9 1 3 T20 GRY 1 3 TRANS P WHT 1 2 TRANS S WHT 3 4 BRN BRN WHT WHT RED RED TR1 1 2 PMV WHT 3 4 5 6 ORG RED YEL BLK GRY 1 2 HBS YEL 1 2 3 4 5 1 2 MOV IN WHT TO WHT BLK RED CR UXRP71B P CR MOVG1 P 1 2 MOV OUT RED 3 4 5 ORG RED YEL BLK GRY 1 2 TA YEL BLK BLK 1 2 E1 RED BLK BLK 1 3 E3 ...

Страница 26: ...ED WHT WHT BLK PNK BLU BLK YEL BLU RED t TH1 t TH2 t TH3 BLK BLU RED RED PAW 280PAH2 1 3 AC IN BLK 1 2 OC BLU 1 3 RC BLU 1 2 EXCT RED 1 2 3WAY BLK 3 4 5 1 3 OP1 YEL 1 3 FAN WHT 5 7 9 1 3 T20 GRY 1 3 TRANS P WHT 1 2 TRANS S WHT 3 4 BRN BRN WHT WHT RED RED TR1 1 2 PMV WHT 3 4 5 6 1 2 HBS YEL CR UXRP71B P 1 2 TA YEL BLK BLK 1 2 E1 RED BLK BLK 1 3 E2 BLU BLK BLK 1 2 BL GRN 1 3 FS RED RED 1 2 PNL BRN G...

Страница 27: ...it shown with transparent front cover removed Mounting boards Upper mounting board 1 2 3 4 Upper mounting board 1 Remote controller CZ RTC2 2 Thermostat TR 16 3 External signal control PCB PAW T10 4 Terminal board with 6 connectors labelled Section A to Section F each with 20 con tacts1 1 For details see 5 4 Terminal block layout ...

Страница 28: ...ntrol PCB 11 is mounted in this position 3 7 System Overview System Overview ECOi systems Single connection system A AHU Kit enclosure complete B AHU system field supplied C Remote controller integrated in AHU Kit enclosure D Outdoor unit E Liquid piping field supplied F Gas piping field supplied G Electronic expansion valve H Thermistor for liquid pipe I Thermistor for gas pipe J Thermistor for s...

Страница 29: ...combination with other AHU Kits For all other AHU Kits and AHU Kit combinations without PAW 560MAH2 L no such restrictions apply 1 All AHU heat exchangers belonging to the same refrigerant circuit have to be installed in the same chassis equipped with one single fan motor 2 One AHU Kit and correspondingly one magnetic relay is required for each heat exchanger All AHU Kits have to be wired to the f...

Страница 30: ... enclosure complete B AHU system field supplied C Remote controller integrated in AHU Kit enclosure D Outdoor unit E Liquid piping field supplied F Gas piping field supplied G Electronic expansion valve H Thermistor for liquid pipe E1 I Thermistor for gas pipe E3 J Thermistor for suction air TA K Thermistor for discharge air BL L Inter unit wiring M Magnetic relay for operating the blower field su...

Страница 31: ...id piping field supplied F Gas piping field supplied G Thermistor for liquid pipe E1 H Thermistor for heat exchanger pipe middle E2 I Thermistor for suction air TA J Inter unit wiring K Magnetic relay for operating the blower field sup plied 1 With all PACi outdoor units only 1 to 1 installations are allowed System example for PACi single connection system PACi Air Handling Unit I D O D wiring Wir...

Страница 32: ... temperature outdoor unit Cooling Min Max C 10 43 C DB 10 43 C DB 10 43 C DB Heating Min Max C 20 15 C WB 20 15 C WB 20 15 C WB HP 30 40 50 60 Model PAW 280MAH2 L PAW 560MAH2 L PAW 560MAH2 L PAW 560MAH2 L PAW 560MAH2 L PAW 560MAH2 L PAW 280MAH2 L PAW 560MAH2 L PAW 560MAH2 L PAW 560MAH2 L Nominal cooling capacity kW 84 0 112 0 140 0 168 0 Nominal heating capacity kW 95 0 127 0 155 0 189 0 Air volum...

Страница 33: ...x C 16 30 C DB 16 30 C DB 16 30 C DB 16 30 C DB Ambient temperature outdoor unit Cooling Min Max C 10 43 C DB 10 43 C DB 10 43 C DB 10 43 C DB Heating Min Max C 20 15 C WB 20 15 C WB 20 15 C WB 20 15 C WB AHU Kit PAW 280PAH2 L Outdoor unit PACi Standard 3 phase U 100PEY1E8 U 125PEY1E8 U 140PEY1E8 Nominal cooling capacity kW 10 0 12 5 14 0 Nominal heating capacity kW 11 2 14 0 16 0 Air volume Cooli...

Страница 34: ...3 C WB 13 23 C WB Heating Min Max C 16 30 C DB 16 30 C DB 16 30 C DB 16 30 C DB 16 30 C DB 16 30 C DB Ambient temperature outdoor unit Cooling Min Max C 10 43 C DB 10 43 C DB 10 43 C DB 10 43 C DB 10 43 C DB 10 43 C DB Heating Min Max C 20 15 C WB 20 15 C WB 20 15 C WB 20 15 C WB 20 15 C WB 20 15 C WB AHU Kit PAW 280PAH2 L Outdoor unit PACi Elite 3 phase U 71PE1E8A U 100PE1E8A U 125PE1E8A U 140PE1...

Страница 35: ... Max C 20 15 C WB 20 15 C WB 1 This higher maximum allowed air volume is subject to a restriction of the Intake temperature of AHU Kit to 30 C DB instead of 32 C DB Without this restriction only the lower factory set maximum air volume is allowed 2 This higher maximum AHU DX coil heat exchanger volume is subject to the following restrictions an additional refrigerant charge on top of the additiona...

Страница 36: ...it is equipped with a high pressure switch which stops the operation of the air conditioning unit for protection when the set high pressure limit is exceeded Nuisance tripping of the high pressure switch may occur in heating mode if the heat exchanger pipe thermistor E2 is not properly positioned or if the limit is not properly set Position the heat exchanger pipe thermistor E2 correctly and set t...

Страница 37: ...xposing the wires of thermistors or in case of the ECOi and ECO G systems of the expansion valve to the outside and or to direct sunlight might damage the wires and should therefore be avoided Attach the AHU Kit either directly to the Air Handling Unit or to a wall nearby and make sure that it is not exposed to direct sunlight Use protecting wire ducts to avoid exposing the wires of thermistors an...

Страница 38: ...rews in the corners of the enclosure and remove the cover from the enclo sure 3 Mount the backside of the enclosure to the wall or surface using field supplied fixing screws inserted through the previously prepared holes at each corner ...

Страница 39: ...elow the enclosure through the screwed cable glands and connect the wires to each of the 6 connectors as required After having finished wiring and applying power to the AHU Kit auto addressing can be per formed and the parameters of the thermostat advanced version only can be set Important Please note that the connectors can be plugged out for easy installation As connectors A and D are intended f...

Страница 40: ...st piping from the first branch Dimensions of connecting pipes to heat exchanger of AHU system Precharged pipe length of outdoor unit Additional refrigerant charging amount for longer pipe runs Other technical data and limitations of the relevant outdoor units Local piping design regulations Best practices for piping design Important For technical data limitations and restrictions not mentioned in...

Страница 41: ... outside When installing the expansion valve the following limitations and restrictions need to be observed Wires must not be put out of equipments Wires must not be cut and connector of wires must not be detached The distance from AHU heat exchanger must not exceed 6 m Pipe reducers must be installed in the field where applicable For example for 10HP ECOi systems piping size to outdoor unit is Ø ...

Страница 42: ... AHU Kit either directly to the Air Handling Unit or to a wall nearby and make sure that it is not exposed to direct sunlight Use protecting wire ducts to avoid exposing the wires of thermistors and the electronic expansion valve to the outside When installing the thermistors the following limitations and restrictions need to be observed Wires must not be put out of equipments Wires must not be cu...

Страница 43: ...Drooping wire Important If there are multiple heat exchangers in one ECOi system an individual thermistor must be installed for each heat exchanger 4 4 1 Installation of thermistor on gas pipe Installation of thermistor on gas pipe ECOi and ECO G systems Mount E3 thermistor to gas pipe of AHU heat exchanger according to the following instructions For PAW 160MAH2 L 1 Attach the gas pipe thermistor ...

Страница 44: ...ds in a loop to avoid putting tension to it For PAW 280MAH2 L and PAW 560MAH2 L 1 Upon delivery for PAW 280MAH2 L and PAW 560MAH2 L there is a sensor sleeve sol dered to the gas pipe after the expansion valve Insert the sensor together with some heat sink paste into the sensor sleeve 2 Fasten the sensor in an appropriate way e g with a little clip to prevent it from falling out of the sleeve ...

Страница 45: ...tions 1 Attach the liquid pipe thermistor to the liquid pipe located in the lowest position after the distributor in the heat exchanger 2 Cover the thermistor and pipe with aluminum tape 3 Cover the aluminum tape with thermal insulation 4 Fix thermal insulation and wiring with two bands Then run the wire downwards in a loop to avoid putting tension to it ...

Страница 46: ...owing instructions 1 Attach the heat exchanger pipe middle thermistor in the middle of each pass line pipe in the heat exchanger 2 Cover the thermistor and pipe with aluminum tape field supplied 3 Fix thermistor with two bands Then run the wire downwards in a loop to avoid putting ten sion to it 4 Cover the aluminum tape with thermal insulation And also cover the sensor copper portion with thermal...

Страница 47: ...temperature setting based on ambient temperature install the 3 wired temperature sensor in a protected location for detecting the proper ambient temperature avoid direct sunlight and moisture b demand control based on room supply air temperature install the 3 wired tempera ture sensor in the blow out duct of the AHU where the proper air temperature can be measured 4 5 Disconnection of jumper on ou...

Страница 48: ...lation 3 Place a NOTE label which indicates that the jumper wire has been cut in the following des ignated areas on the outdoor unit NOTES NOTES Position of designated area for NOTES label depends on model type ...

Страница 49: ...nt possible hazards from insulation failure the unit must be grounded Each wiring connection must be done in accordance with the wiring system diagram Wrong wiring may cause the unit to misoperate or become damaged Do not allow wiring to touch the refrigerant tubing compressor or any moving parts of the fan Unauthorized changes in the internal wiring can be very dangerous The manu facturer will ac...

Страница 50: ...ay fuse or circuit breaker AHU Kit 2 5 mm2 AWG 13 10 16 A Max 150 m Control wiring C Inter unit control wiring between outdoor and indoor units D Remote control wiring E Control wiring for group control1 F Inter outdoor unit control wiring1 0 75 mm2 AWG 18 Use shielded wiring or 2 0 mm2 AWG 14 Use shielded wiring 0 75 mm2 AWG 18 Use shielded wiring 0 75 mm2 AWG 18 Use shielded wiring 0 75 mm2 AWG ...

Страница 51: ... BLK Power supply 220 240V 50 60Hz Power supply 220 240V 50 60Hz Power supply 220 240V 50 60Hz Ground Ground Ground Ground Ground Ground Inter outdoor unit control wiring Ground Ground Ground Outdoor unit INV unit Power supply 380 415V 3 N 50Hz Power supply 380 415V 3 N 50Hz Outdoor unit INV unit Ground Ground Ground Ground Ground Ground AHU Kit No 1 AHU Kit No 2 AHU Kit No 3 AHU control kit No n ...

Страница 52: ... s terminal board actual appearance may differ slightly 10P Connector Section D 1 2 3 4 5 6 7 8 9 10 1 L Power supply 2 N Neutral conductor 3 PE Protective earthing 4 IZ 5 Blower out 5 IZ 3 Blower out 6 OP3 Blower protection 7 2Z 7 Blower protection 8 HU1 Humidifier 9 HU2 Humidifier 10 Blind 3 Refrigerant Circuit R C address should be set on the outdoor unit before turn ing the power on 4 Regardin...

Страница 53: ...hat forms a loop Outdoor unit Outdoor unit Outdoor unit Indoor unit Indoor unit Indoor unit Prohibited Prohibited Indoor unit Indoor unit 9 Do not install inter unit control wiring such as star branch wiring Star branch wiring causes faulty address setting Outdoor unit Indoor unit Indoor unit Indoor unit Indoor unit Branch point Prohibited 10 If branching the inter unit control wiring the number o...

Страница 54: ...1 Digital Input 1 max 24 V DC 5 mA 2 FD2 External fan drive 12 V DC 2 BL2 Discharge temperature 5 V DC 2 DI2 Digital Input 2 max 24 V DC 5 mA 3 PT8 External temp sensor 10 V DC 3 TA1 Suction temperature 5 V DC 3 DI3 Digital Input 3 max 24 V DC 5 mA 4 PT9 External temp sensor 10 V DC 4 TA2 Suction temperature 5 V DC 4 COM Digital Inputs COM max 24 V DC 5 mA 5 PT10 External temp sensor 10 V DC 5 EX1...

Страница 55: ...n valve1 12 V DC 6 M2 2 7 2Z 7 Relay 2Z Pin 7 Blower protection 230 VAC 7 M1 3 For expansion valve1 12 V DC 7 M2 3 8 HU1 Humidifier max 230 VAC 3A 8 M1 4 For expansion valve1 12 V DC 8 M2 4 9 HU2 Humidifier max 230 VAC 3A 9 M1 5 For expansion valve1 12 V DC 9 M2 5 10 Blind 10 M1 62 12 V DC 10 Blind 1 For ECOi and ECO G systems only 2 For PAW 160MAH2 L and 280MAH2 L only In this case there are 6 in...

Страница 56: ...o scratch braided shield 2 Unbraid the braided shield carefully and twist the unbraided shield wires tightly together Insulate the shield wires by covering them with an insulation tube or wrapping insulation tape around wire Insulation tape Shield mesh 3 Remove insulation of signal wire Insulation tape Shield mesh 8 mm 4 Attach wire end sleeves to the signal wires and the shield wires insulated in...

Страница 57: ...ction lines must be routed through left wiring port below the terminal board 10P Connector Section D 1 2 3 4 4 5 5 6 6 7 7 8 9 10 Blower signal output Blower protection Detail view The external signal lines must be inserted drooped in the AHU body and pro tected by a clamp with the drooping wire being close to the AHU Kit to avoid water reaching the AHU Kit Inside of AHU Blower signal and blower p...

Страница 58: ...AC 2 A X1 Relay field supplied If uninterrupted fan operation is needed and cold draft air is avoided for example by some inter nal bypass etc the defrost signal contacts C5 C6 ON1 ON2 can be used with an additional field supplied relay Blower protection input If a switch opens an alarm P01 appears on a remote controller display and operation stops 10P Connector Section D 1 2 3 4 5 6 7 8 9 10 6 7 ...

Страница 59: ...utput X2 4 5 6 7 AHU Kit 10P Connector Blower signal output X3 4 5 6 7 AHU Kit X1 X2 X3 Blower signal Field supplied Electric circuit example PACi systems Single connection system 10P Connector Blower signal output X1 4 5 6 7 AHU Kit X1 Blower signal Field supplied X2 Important For details about the connection and functions of the PAW T10 PCB please refer to the sepa rate installation instructions...

Страница 60: ...cording to the Test Run section in the Installation Instructions of the relevant outdoor unit If alarm messages are indicated on the outdoor unit PCB by blinking LEDs or on the wired remote controller refer to the Alarm Messages section in the Installation Instructions for the relevant outdoor unit ...

Страница 61: ... Kit or can be downloaded from the Ser vice section at www panasonicproclub com 7 2 Thermostat The advanced version of the AHU Kit features a thermostat temperature controller which can optionally be set and parametrized separately if using the controller is required Important The thermostat is not included in the light version of the AHU Kit 7 2 1 Control and display elements 1 2 3 4 5 6 7 8 1 Di...

Страница 62: ... currently measured temperature process value SV currently set temperature value 1 Software version view factory setting 2 Input specification view factory setting 3 Measuring range factory setting PV lower limit SV upper limit Changing the set temperature value To change the set temperature value perform the following steps 1 During operation press the button 1 x briefly The SV display is blinkin...

Страница 63: ...rization view to normal view 2 Press the button repeatedly to select the parameter to be changed repeatedly The sequence of parameters and their range of valid values are shown in the table below 3 Once the PV display shows the parameter to be changed and the blinking SV display shows the currently set parameter value use the and buttons to set a new pa rameter value 4 Confirm the new setting by p...

Страница 64: ...le the cycle frequency has no relevance for the wear free electronic SSR outputs 2 AutoTuning must be performed during normal operation with the load applied However during Auto Tuning mode the system may heat up to temperatures significantly exceeding the set tempera ture value Therefore for sensitive applications the set value should be reduced before the start of the Auto Tuning mode Auto Tunin...

Страница 65: ... of a mechanical relay output an equivalent voltage is activated at the ouput When the actual temperature value is above the set temperature value the output is inactive To use the controller in so called cooling mode the output must be negated This control method is called normally closed NC ouput When the actual temperature value is above the set temperature value the output is activated When th...

Страница 66: ...s 6 7 is factory set to 0 10 V Switching the voltage range from 0 10 V to 2 10 V is possible However Panasonic recom mends to keep the factory setting To switch from 0 10 V to 2 10 V output signals perform the following steps 1 Press and hold the and buttons jointly for approximately 5 seconds 1 x 2 buttons for 5 sec The PV display shows PAS while the current setting 0 in the SV display is blinkin...

Страница 67: ...ven below see 7 2 2 Operation Changing values in the Parameter menu AHU situation P I D Capacity high in respect to lower air volume flow 7 120 3 Capacity low in respect to higher air volume flow 3 180 10 In case the temperature is not stable during operation these values may be adjusted manu ally at a later stage 2 On the thermostat switch to cooling or heating mode depending on the AHU requireme...

Страница 68: ...ller from heating mode to cooling mode 3 On the thermostat change the set temperature value as required see 7 2 2 Operation Changing the set temperature value In this case the set temperature value represents the adjusted temperature setpoint based on ambient air temperature Tset TR 16 beyond which any cooling or heating operation is stopped heating or cooling limit temperature 4 On the remote con...

Страница 69: ... set as follows a S1 Set to OFF ON OFF ON factory default on AHU Kit b S2 All jumpers are intact i e no jumper has been cut c S3 Set to VOLTAGE or NO VOLTAGE depending on the local digital input DI con figuration Control via dry contacts factory default NO VOLTAGE Control via 12 24 V DC signals VOLTAGE 12 24 V DC GND d S4 Set to 0 10 V ...

Страница 70: ...is observed terminal 3 negative terminal 4 positive 1 2 TRANS S WHT 3 4 BRN BRN RED RED TR1 1 2 PMV WHT 3 4 5 6 1 2 HBS YEL 1 2 N DRIVE WHT WHT RED M1 1 M1 2 M1 3 M1 4 M1 5 TERMINAL TERMINAL FD1 FD2 1 2 FILTER WHT RED WHT FI1 FI2 1 3 HU1 RED VLT BRN HU1 HU2 CZ CAPBC2 COM DO2 COM DO1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 CN2 CN1 4POL PK1 B 10 PK1 A PAW T10 T10 9 8 1 2 3 4 5 6 1 2 3 4 7 6 5 WHT 1 2 3 ...

Страница 71: ...uration Control via dry contacts factory default NO VOLTAGE Control via 12 24 V DC signals VOLTAGE 12 24 V DC GND 5 Restore and fasten the upper mounting board in its original position 6 On the terminal connector of Section C located on the upper mounting board inside the AHU Kit enclosure see diagram below connect the digital inputs DI as follows Heating start to COM and DI1 Cooling start to COM ...

Страница 72: ... equal to 1 1 V etc 1 Stop AHU system indoor unit is completely switched off 2 No Limit No restrictions applied by BMS toAHU system indoor unit performance equivalent to full load operation ofAHU system indoor unit 3 Thermo Off No cooling heating operation compressor is switched off however the fans may still be operating For example forced Thermostat Off mode can be used for free cooling 7 2 4 Er...

Страница 73: ...mperature measuring range C 50 580 Display height mm 10 approximately Measuring increments C 0 1 Indicating increments C 1 Sampling period sec 3 Output signal factory setting V 0 10 Output signal alternative setting V 2 10 Input signal Pt100 2 3 wire Control voltage V ph Hz 85 265 1 50 60 Ambient temperature max C 45 Ambient air humidity max in hostile environments RH 85 Quiescent current consumpt...

Страница 74: ...o the ongoing innovation of our products the specifications of this catalogue are valid barring typographic errors and may be subject to minor modifications by the manufacturer without prior warning in order to improve the product ...

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