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AHU Kit – Installation Instructions – 09/2021

Product description

System lineup – PACi NX systems

Capacity

(kW)

Refrigerant

Outdoor unit

AHU Kit

PACi NX Standard

PACi NX Elite

Single-phase

units

Three-phase

units

Single-phase

units

Three-phase

units

3.6

R32

U-36PZ3E5

–

U-36PZH3E5

–

PAW-280PAH3M

5.0

R32

U-50PZ3E5

–

U-50PZH3E5

–

6.0

R32

U-60PZ3E5A

–

U-60PZH3E5

–

7.1

R32

U-71PZ3E5A

–

U-71PZH3E5

U-71PZH3E8

10.0

R32

U-100PZ3E5

U-100PZ3E8

U-100PZH3E5

U-100PZH3E8

12.5

R32

U-125PZ3E5

U-125PZ3E8

U-125PZH3E5

U-125PZH3E8

14.0

R32

U-140PZ3E5

U-140PZ3E8

U-140PZH3E5

U-140PZH3E8

With PACi NX systems, only 1-to-1 installations are allowed (e.g. 1 x PACi NX outdoor unit + 1 x PAW-280PAH3M). Com

binations with more than 1 outdoor unit or more than 1 AHU Kit are not possible.

Mixed installation with standard indoor units is not allowed.

3.4 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

Thermistor for gas pipe

J Thermistor for suction air

K Thermistor for discharge air

L Inter-unit wiring

M Magnetic relay for operating the blower (field sup

plied)

31.08.2021, cH

New drawing inserted as per ii_AHUkit21_EN_

v3_2021.08.11pa.pdf

Содержание PAW-160MAH2L

Страница 1: ...NX AHU Kit Installation Instructions 2021 Air Handling Unit Kit Installation Instructions PAW 160MAH2 L M PAW 280MAH2 L M PAW 560MAH2 L M PAW 280PAH2 L M PAW 280PAH3M ...

Страница 2: ...Notes ...

Страница 3: ...y rights The copyright of this Manual remains with the manufacturer No part of this Manual may be reproduced or processed using electronic systems or distributed in any form without the written consent of Panasonic Marketing Europe GmbH Infringements which conflict with the above mentioned information will render you liable for damages All trademarks mentioned in this Manual are the property of th...

Страница 4: ...25 3 3 System lineup 31 3 4 System Overview 33 3 5 Technical data 37 4 Installation 47 4 1 Installation of AHU Kit 47 4 1 1 MAH2 PAH2 generation 47 4 1 2 PAH3 generation 49 4 1 3 Installation of refrigerant piping 51 4 2 Installation of expansion valve 51 4 3 Installation of thermistors 53 4 3 1 Installation of thermistor on gas pipe 54 4 3 2 Installation of thermistor on liquid pipe 55 4 3 3 Inst...

Страница 5: ...ring system diagrams 87 5 6 Connection of external signal lines 95 6 Test Run 100 7 Control 101 7 1 Remote controller 101 7 2 Thermostat 101 7 2 1 Control and display elements 101 7 2 2 Operation 102 7 2 3 Initial Settings 107 7 2 4 Error Codes 111 7 2 5 Maintenance and Service 111 ...

Страница 6: ...t pumps requires adherence to the information and instructions contained in this Manual especially the safety notes and warning messages Any other use is considered improper and can lead to significant damage Panasonic assumes no liability for any damage resulting from improper use Products covered The AHU Kits are supplied in three different product versions light medium or advanced and can be se...

Страница 7: ...rs and provides instructions for the safe and proper use of the product In this manual the following layout and symbols are used for warning messages WARNING This signal word warns of a potentially hazardous situation which can lead to death or severe injury Follow the instructions given in the warning messages in order to prevent this CAUTION This signal word warns of a potentially hazardous situ...

Страница 8: ...nd 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 must only be performed by an experienced qualified installer to minimize the risk of leaks I...

Страница 9: ...r moderate injury Electric shock shock and fires may result from incomplete grounding of the equipment or failure to install an earth leakage circuit breaker ELCB or residual current device RCD Be sure to ground equipment properly Do not attach ground wires to gas pipes water pipes lightning arresters or telephone ground lines Always install an earth leakage circuit breaker or residual current dev...

Страница 10: ...e and repair work see 1 3 2 Preventing leakages p 18 If a leak is suspected do the following remove or extinguish all naked flames immediately ventilate the room immediately use a calibrated electronic leak dectector to detect any leaks see 1 3 3 Detecting leaks p 19 Repair any leaks diligently see 1 3 4 Repairing leaks p 19 before refilling the refrigerant system with refrigerant and checking for...

Страница 11: ...m3 Note The refrigerant charge amount mc must be calculated by the following formula mc 1 2 1 3 4 5 where 1 refrigerant charged at shipment 2 refrigerant charge amount in the field1 3 additional charge per 1 m 4 total pipe length 5 max charge less pipe length 1 If the total pipe length is within the maximum value of the charge less pipe length refrigerant charge in the field is unnecessary Calcula...

Страница 12: ...and installation orientation horizontal vertical as follows Installation height of indoor unit h0 Indoor unit type Density limit line h0 2 2 m AHU unit horizontal installation Line 1 1 8 m h0 2 2 m AHU unit horizontal installation Line 2 h0 1 8 m AHU unit vertical installation Line 3 h0 2 2 m Indoor unit Indoor unit Indoor unit In the ceiling In the ceiling In the room In a false ceiling with chan...

Страница 13: ... 4 6 5 6 45 4 4 6 13 6 20 2 181 6 6 9 30 4 45 4 408 5 2 4 4 8 5 8 49 4 4 7 14 1 21 1 189 5 7 0 31 3 46 8 420 4 2 5 5 0 6 1 53 6 4 8 14 8 22 0 197 7 7 1 32 2 48 1 432 5 2 6 5 2 6 5 58 0 4 9 15 4 22 9 206 0 7 2 33 1 49 5 444 8 2 7 5 4 7 0 62 6 5 0 16 0 23 9 214 5 7 3 34 1 50 9 457 3 2 8 5 6 7 5 67 3 5 1 16 7 24 8 223 2 7 4 35 0 52 3 469 9 2 9 5 8 8 1 72 2 5 2 17 3 25 8 232 0 7 5 35 9 53 7 482 7 3 0 ...

Страница 14: ...Z2E5 U 71PZ2E5 U 36PZH2E5 U 50PZH2E5 U 60PZH2E5 mmax kg 1 80 1 35 1 80 U 71PZH2E5 U 71PZH2E8 U 100PZH2E5 U 100PZH2E8 U 125PZH2E5 U 125PZH2E8 U 140PZH2E5 U 140PZH2E8 0 0 2 0 4 0 6 0 8 0 10 0 12 0 14 0 16 0 18 0 20 0 22 0 24 0 26 0 6 5 6 0 5 5 5 0 4 5 4 0 3 5 3 0 2 5 2 0 1 5 1 0 0 5 0 0 A min minimum indoor floor area m 2 mc refrigerant charge kg of the outdoor unit Can be installed U 71PZH2E5 U 71P...

Страница 15: ... 3 88 Standard U 100PZ2E5 U 100PZ2E8 U 125PZ2E5 U 125PZ2E8 U 140PZ2E5 U 140PZ2E8 mmax kg 3 50 3 88 U 200PZH2E8 U 250PZH2E8 6 5 7 0 7 5 8 0 8 5 6 0 5 5 5 0 4 5 4 0 3 5 3 0 2 5 2 0 1 5 1 0 1 22 7 80 0 5 0 0 mc refrigerant charge kg of the outdoor unit Can be installed Cannot be installed 45 0 20 0 25 0 30 0 35 0 40 0 15 0 10 0 5 0 0 0 A min minimum indoor floor area m 2 Elite U 200PZH2E8 U 250PZH2E8...

Страница 16: ... 0 1 2 1 4 1 6 1 8 2 0 1 0 1 2 1 4 1 6 1 8 2 0 A min minimum indoor floor area m 2 A min minimum indoor floor area m 2 mc refrigerant charge kg of the outdoor unit mc refrigerant charge kg of the outdoor unit Line 1 Line 2 Line 3 Standard U 36PZ3E5 U 50PZ3E5 U 60PZ3E5A U 71PZ3E5A mmax kg 0 95 1 33 1 30 1 49 Calculating example Conditions Outdoor unit U 71PZ3E5A Total pipe length 40 m Max charge le...

Страница 17: ...Z3E5 U 100PZ3E8 U 125PZ3E5 U 125PZ3E8 U 140PZ3E5 U 140PZ3E8 mmax kg 3 30 3 70 U 36PZH3E5 U 50PZH3E5 U 60PZH3E5 mc Refrigerant charge amount specified in kilogrammes kg mmax Maximum refrigerant charge amount specified in kilogrammes kg mc 1 22 Can be installed 1 22 mc mmax Installation possible above the Density Limit Line for the relevant indoor outdoor unit combina tion see diagrams and tables be...

Страница 18: ...5 10 5 0 1 950 2 0 2 5 3 0 3 5 4 0 4 5 5 0 5 5 6 0 6 5 5 975 A min minimum indoor floor area m 2 A min minimum indoor floor area m 2 mc refrigerant charge kg of the outdoor unit mc refrigerant charge kg of the outdoor unit Line 1 Line 2 Line 3 Elite U 71PZH3E5 U 71PZH3E8 U 100PZH3E5 U 100PZH3E8 U 125PZH3E5 U 125PZH3E8 U 140PZH3E5 U 140PZH3E8 mmax kg 2 850 5 975 1 3 2 Preventing leakages Do not let...

Страница 19: ...refrigerant is found which requires brazing do the following Recover all refrigerant from the system or isolate all refrigerant by means of shut off valves in a part of the system remote from the leak Purge the system with oxygen free nitrogen OFN both before and during the brazing process Re fill the system with refrigerant and check for any remaining leaks see 1 3 3 Detecting leaks p 19 Repeat t...

Страница 20: ...l levels used for office spaces Also at high temperatures max imum limitation of absolute humidity should be provided to avoid muggy conditions Typically this limit value lies at about 10 g kg H2O 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 Heat...

Страница 21: ... Air ducts Air distribution elements Supply air Outside air Return air Exhaust air 2 3 Air handling units Main components of air handling units The main components of an air handling unit are shown in the following graphic Mixed air MA Supply air fan SAF Supply air SA Outside air OA Return air RA Exhaust air EA Dampers D Dampers D Dampers D Cooling Coil CC Heating Coil HC Air handling unit AHU Fil...

Страница 22: ...w heat exchanger Supply Exhaust type with mixing chamber Supply exhaust type with rotary heat exchanger Connecting AHU systems via the AHU Kit to ECOi ECO G or PACi outdoor units The following graphic shows an example for connecting a third party air handling unit via the Pana sonic AHU Kit to Panasonic ECOi ECO G or PACi outdoor units ...

Страница 23: ...n in built CZ CAPBC2 interface handling the 0 10 V control This enables various control alternatives Capacity control through external BMS via 0 10 V signal only supported by ECOi and PACi but not by ECO G outdoor units Capacity control through in built supply air or ambient temperature sensor only available with advanced version and only supported by ECOi and PACi but not by ECO G outdoor units T...

Страница 24: ...stem X X X X Connectable with MD protocol system X Fan control signal from the PCB can be used for controlling the air volume of an external fan High Mid Low and LL for Th OFF Need to change the fan control circuit wiring at field X X X X Defrost operation signal Thermo ON OFF states output X X X X Drain pump control Drain pump and the float switch to be field supplied X X X 1 Basic humidifier con...

Страница 25: ...nic H C Control App X Compatibility with Panasonic H C Diagnosis App X PCB for T10 connection PAW T10 X X X X Expansion valve X X X PCBs for the expansion and RAP SVK valves X X X Refrigerant temperature sensors E1 E3 X X X E1 E2 X X X X Air intake and air outlet temperature sensors TA X X X X X X X BL X X X CZ CAPBC2 interface for 0 10 V control ACC SP1A X X X X X Thermostat TR 16 TR 16e includin...

Страница 26: ...or x2 Refrigerant E1 E3 Thermistor x2 Air TA BL Advanced version PAW 560MAH2 1 Remote controller CZ RTC5B 2 Thermostat TR 16 TR 16e 3 External signal control PCB PAW T10 4 Terminal board with 6 connectors 5 CZ CAPBC2 interface on rear side AHU Kit shown with transparent front cover removed Layout also applicable for PACi see table above 3 2 Scope of supply p 25 for details Depending on AHU Kit gen...

Страница 27: ...als M2 3 M2 4 Suction air temperature TA sensor output by 4 20 mA signal Medium version MAH2 PAH2 generation Terminals PT9 PT10 medium version PAH3 generation Terminals M2 1 M2 2 Advanced version only directly on CZ CAPBC2 interface Terminals 1 2 Mode select and or ON OFF control2 Medium and advanced versions Terminals DI1 DI2 DI3 COM Fan operation control2 Medium and advanced versions Terminals D...

Страница 28: ...tat ON status MAH2 PAH2 generation Terminal ON3 Potential ON1 PAH3 generation Terminal OP3 Potential OP1 Additional contacts available External humidifier control ON OFF 230 V AC 3 A not available for PAH3M Terminal HU1 HU2 External fan control ON OFF 12 V DC Terminal FD1 FD2 External filter status signal potential free not available for PAH3M Terminal FI1 FI2 External float switch signal potentia...

Страница 29: ...to Section F each with 20 con tacts2 8 9 5 6 7 MAH2 PAH2 Upper mounting board rear side 5 Pocket for thermostat 6 CZ CAPBC2 interface for 0 10 V control PCB name ACC SP1A 1 7 Main control board PCB name CR UXRP71B P 8 Terminal for upper mounting board 9 EMC filter1 10 11 12 13 15 14 16 17 MAH2 PAH2 Lower mounting board 10 Auxiliary transformer1 11 Relay1 12 Transformer 13 Relay 14 Single motorized...

Страница 30: ...8670 3 Terminal board2 4 Fan relay 5 Fan control board PCB name ACXA73 39890 6 CZ CAPBC2 interface for 0 10 V control PCB name ACC SP1A 1 4 5 6 2 3 1 Not available in all versions 2 For details see 5 3 Terminal board layout p 66 3 Depending on the model used the single RAP valve control PCB 16 or double RAP valve control PCB 17 is mounted in this position ...

Страница 31: ...n with all ECOi outdoor units including Mini ECOi 2 pipe ECOi 2 pipe and ECOi 3 pipe units with a nominal cooling capacity of at least 8 HP like any other standard indoor unit Mixed installation with standard indoor units is possible with all ECOi outdoor units as above However in this case two additional RAP valves 2 x CZ P160RVK2 must be installed in the unit connection pipe unless the complete ...

Страница 32: ... ECOG technical data books Connection to ECO G 3 way systems is not allowed 3 PAW 560MAH2 L M Like any other indoor unit of similar capacity PAW 560MAH2 L M can be installed in combination with all ECO G 2 way outdoor units only Mixed Installation with standard indoor units is not possible Connection to ECO G 3 way systems is not allowed System lineup PACi systems Capacity kW Refrigerant Outdoor u...

Страница 33: ...With PACi NX systems only 1 to 1 installations are allowed e g 1 x PACi NX outdoor unit 1 x PAW 280PAH3M Com binations 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 System Overview System Overview ECOi systems Single connection system B A C I K H G M J L F E D A AHU Kit enclosure complete B AHU system field ...

Страница 34: ...rrespondingly one magnetic relay is required for each heat exchanger All AHU Kits have to be wired to the fan motor 3 All AHU Kits shall be connected and controlled by group control wiring of one remote controller 4 In case of a multiple AHU Kit combination within one refrigerant system those kits must share the same AHU housing including fan and they have to be group wired and operate as a single...

Страница 35: ...connection2 systems B A C I K H G M J L F E D 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 E1 I Thermistor for gas pipe E3 J Thermistor for suction air TA K Thermistor for discharge air BL L Inter unit wi...

Страница 36: ...d 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 and PACi NX outdoor units only 1 to 1 installations are allowed System example for PACi and PACi NX single connection system SET AL1 OUT ATU PV SV ºC ºC PACi outdoor unit Piping Outdoor unit indoor unit wiring Wiring ...

Страница 37: ...sions W x H x D mm 48 x 48 x 90 approximately Required void space mm 85 mm approximately Mounting cut out W x H mm 44 x 44 DIN 1 16 Display height mm 10 approximately Temperature range measuring indicating C 50 580 50 580 Temperature increments measuring indicating C 0 1 1 Sampling period sec 3 Output signal factory setting alternative setting V 0 10 2 10 Input signal Pt100 2 3 wire Control voltag...

Страница 38: ...ow Cooling Min m h 1 140 3 500 7 000 10 500 14 000 Max m h 2 600 5 000 10 000 15 000 20 000 AHU DX coil heat exchanger volume Min dm3 1 7 2 8 5 6 8 4 11 2 Max dm3 2 8 5 4 10 7 16 1 21 4 Bypass factor 0 9 recommended 0 9 recommended 0 9 recommended 0 9 recommended 0 9 recommended Piping length Min Max m 10 100 10 100 10 100 10 100 10 100 Max branch pipe length m 12 12 12 12 12 Max branch pipe lengt...

Страница 39: ...0 Piping connections Liquid pipe Inch mm 3 8 9 52 3 8 9 52 3 8 9 52 3 8 9 52 3 8 9 52 3 8 9 52 3 8 9 52 Gas pipe Inch mm 5 8 15 88 5 8 15 88 5 8 15 88 5 8 15 88 5 8 15 88 5 8 15 88 5 8 15 88 Piping length Min Max m 3 40 3 35 5 30 5 30 5 30 5 30 5 30 Precharged length R410A Max m 30 30 30 30 30 30 30 Additional refrigerant charge R410A due to extended piping length g m 40 40 50 50 50 50 50 Ambient ...

Страница 40: ... 9 0 9 0 9 Max additional refrigerant charge R410A kg 0 18 0 18 0 36 0 36 0 81 0 81 0 81 Max pipe length m 30 30 40 40 30 30 30 Max ambient temp for pump down C n a n a 35 35 25 25 25 AHU Kit PAW 280PAH2 L M or PAW 280PAH3M Outdoor unit PACi Elite U 71PE1E8A U 100PE1E8A U 125PE1E8A U 140PE1E8A U 200PE2E8A U 250PE2E8A Nominal cooling capacity kW 7 1 10 0 12 5 14 0 19 5 25 0 Nominal heating capacity...

Страница 41: ...h see calculation example below AND a reduced maximum pipe length AND an ambient air temperature limit above which it may not be possible to pump down the complete refrigerant charge including all additional refrigerant into the outdoor unit Note The AHU DX coil must be designed according to Panasonic specification Calculation example for total additional refrigerant charge R410A Unit U 60PE2E5A P...

Страница 42: ...me kg dm3 0 83 0 83 0 83 0 83 0 83 0 83 0 83 0 83 Max additional refrigerant charge R32 kg 0 33 0 50 0 58 0 58 0 74 0 58 0 58 0 74 Max pipe length m 30 25 35 35 35 35 35 35 Max ambient temp for pump down C n a n a 35 25 35 35 25 35 See footnotes overleaf AHU Kit PAW 280PAH2 L M or PAW 280PAH3M Outdoor unit PACi Elite U 36PZH2E5 U 50PZH2E5 U 60PZH2E5 U 71PZH2E5 U 100PZH2E5 U 125PZH2E5 U 140PZH2E5 N...

Страница 43: ...1 7 3 0 2 3 5 7 2 7 7 1 Additional refrigerant charge R32 due to larger heat exchanger volume kg dm3 0 83 0 83 0 83 0 83 0 83 0 83 Max additional refrigerant charge R32 kg 0 33 0 74 0 74 0 74 1 16 2 32 Max pipe length m 40 65 65 65 90 60 Max ambient temp for pump down C 35 43 43 43 n a n a Air volume flow m h Outdoor unit 360 510 700 780 870 900 990 1080 1140 1200 1320 1450 1500 1600 1700 1800 190...

Страница 44: ... 30 30 30 30 Additional refrigerant charge R32 due to extended piping length g m 0 01 0 015 0 015 0 017 0 045 0 045 0 045 Ambient temperature Cooling Min Max C DB 10 43 10 43 10 43 10 43 10 43 10 43 10 43 Heating Min Max C WB 15 24 15 24 15 24 15 24 15 24 15 24 15 24 AHU unit under standard conditions Air volume flow Cooling Min Max m h 540 870 630 990 780 1 320 780 1 320 900 2 160 1 140 2 280 1 2...

Страница 45: ...1 1 1 8 1 2 2 2 1 7 3 0 1 7 3 0 1 7 3 0 Additional refrigerant charge R32 due to larger heat exchanger volume kg dm3 0 83 0 83 0 83 0 83 0 83 0 83 0 83 Max additional refrigerant charge R32 kg 0 17 0 17 0 33 0 33 0 74 0 74 0 74 Max pipe length m 25 25 18 40 65 65 65 Max ambient temp for pump down C DB n a n a 30 30 30 30 30 Air volume flow m h Outdoor unit 360 510 540 630 780 870 900 990 1 080 1 1...

Страница 46: ...e calculated value must then be rounded up to the next integer number Example Number of steps 12 Distance between tube sheets 1 000 mm Number of row 3 Minimum number of passes 12 1 000 x 3 1 5 10 4 5 4 This value must be rounded up to 6 This means that the minimum number of passes is 6 passes ATTENTION Nuisance tripping of high pressure switch The outdoor unit is equipped with a high pressure swit...

Страница 47: ...ide 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 and the electronic expansion valve to the outside 4 1 1 MAH2 PAH2 generation Mount the MAH2 PAH2 generation AH...

Страница 48: ... may cause signal errors if they are run in close proximity to any extra low voltage control wiring Keep 230 V AC power supply wiring apart from the extra low voltage control wiring for sensors etc Route 230 V AC power supply wiring through different cable glands than the extra low voltage control wiring 5 Insert the wiring preferably from below the enclosure through the screwed cable glands and c...

Страница 49: ... 1 2 PAH3 generation Mount the PAH3 generation AHU Kit according to the following instructions Please note that screws and other fixing materials which may be required are not included in the kit 1 Choose an installation location observing the minimum allowed distances to any adjacent objects on all sides of the enclosure as shown below left 2 Prepare the 4 holes at the installation location using...

Страница 50: ... extra low voltage control wiring Keep 230 V AC power supply wiring apart from the extra low voltage control wiring for sensors etc Route 230 V AC power supply wiring through different cable glands than the extra low voltage control wiring 5 Insert the wiring from below the enclosure through the screwed cable glands and connect the wires to the terminal block as required 6 After having finished wi...

Страница 51: ...st practices for piping design Instructions for the safe handling of R32 see 1 3 Instructions for the safe handling of R32 p 9 Important For technical data limitations and restrictions not mentioned in this document refer to the technical documentation for the relevant ECOi ECO G PACi and PACi NX outdoor units 4 2 Installation of expansion valve Installation of expansion valve ECOi and ECO G syste...

Страница 52: ...door unit is Ø 9 52 mm instead of Ø 15 88 mm AHU heat exchanger Expansion valve accessory Pipe to the outdoor unit Pipe to the outdoor unit Max length 6 m Flare connection Ø 15 88 mm Pipe to the AHU heat exchanger Vertical inclination of expansion valve must be less than 15 Pipe to the outdoor unit Expansion valve MOV Pipe to the AHU heat exchanger The coil wire must be inserted drooped in the AHU...

Страница 53: ...rictions 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 Thermistors must be Identified by the tag which is wound to each thermistor The head of the thermistor must be attached exactly onto the pipe because the head is the most sensitive point of the thermistor Maximum contact Most sensitive point of the thermistor The t...

Страница 54: ...over 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 For PAW 280MAH2 L M and PAW 560MAH2 L M 1 Upon delivery for PAW 280MAH2 L M and PAW 560MAH2 L M there is a sensor sleeve soldered to the gas pipe after the expansion valve Insert the...

Страница 55: ...rmistor 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 4 3 3 Installation of thermistor on heat exchanger pipe middle Installation of thermistor on heat exchanger pipe middle PACi and PACi NX systems Mount E2 thermistor to the heat exchanger pipe mi...

Страница 56: ...se of using the additional thermostat advanced version only for a target temperature setting based on ambient temperature install the 3 wired temperature sensor in a protected location suitable for detecting the proper ambient temperature avoid direct sunlight and moisture b demand control based on room supply air temperature install the 3 wired temperature sensor in the blow out duct of the AHU w...

Страница 57: ...sitions and take the cut jumper leads off Depending on the PACi outdoor unit model it can be found on the main PCB at one of the following positions JP001 JP001 JP001 Standard R410A U 60PEY2E5 U 71PEY2E5 Standard R32 U 60PZ2E5 U 71PZ2E5 Elite R410A U 36PE2E5A U 50PE2E5A U 60PE2E5A Elite R32 U 36PZH2E5 U 50PZH2E5 U 60PZH2E5 Standard R410A U 100PEY1E5 U 125PEY1E5 U 100PEY1E8 U 125PEY1E8 U 140PEY1E8 ...

Страница 58: ...l service parts CZ RTC2 CV6233169033 and CZ RTC4 CV6233317854 Optional special service wiring CV6242785082 or PAW MRC available from Panasonic as optional service parts or alternative connector To connect the remote controller and subsequently change the relevant settings complete the following steps 1 Connect the maintenance remote controller to the blue 3 pole CN RC plug on the main PCB of the P...

Страница 59: ...unit maintenance remote controller Optional special service wiring CV6242785082 or PAW MRC Standard wired remote controller CZ RTC4 CV6233317854 Elite R410A U 200PE2E8A U 250PE2E8A Elite R32 U 200PZH2E8 U 250PZH2E8 d CN RC Outdoor unit maintenance remote controller Optional special service wiring CV6242785082 or PAW MRC Standard wired remote controller CZ RTC4 CV6233317854 Standard R32 U 100PZ2E5 ...

Страница 60: ...y default 000 to 001 6 Confirm the new setting by pressing the SET button followed by the Spanner button 7 After that you can disconnect the maintenance remote controller from the outdoor unit PCB Method C Adapting AHU capacity to PACi outdoor unit capacity The last possibility is to adapt the AHU Kit capacity to match the capacity of the currently used PACi or PACi NX outdoor unit Important Metho...

Страница 61: ...n it is highligted in the list CZ RTC5B CZ RTC6BL Maintenance func 5 Sensor info 6 Servicing check 8 Detailed settings Sel Page Confirm 20 30 THU 7 Simple settings Maintenance func XX XX Simple settings Detailed settings Auto address 4 On the Detailed settings screen the Unit No option will be highlighted Note If auto addressing has been completed before the relevant unit number will be displayed ...

Страница 62: ...it model NX PACi NX Outdoor unit model Setting for Code No 11 Standard Elite Standard Elite R410A R32 R410A R32 R32 U 25 PZ3E5 0002 U 36 PE2E5A PZH2E5 PZ3E5 PZH3E5 0005 U 50 PE2E5 PZH2E5 PZ3E5 PZH3E5 0009 U 60 PEY2E5 PZ2E5 PE2E5A PZH2E5 PZ3E5A PZH3E5 0011 U 71 PEY2E5 PZ2E5 PE1E5A PE1E8A PZH2E5 PZH2E8 PZ3E5A PZH3E5 PZH3E8 0012 U 100 PEY1E5 PEY1E8 PZ2E5 PZ2E8 PE1E5A PE1E8A PZH2E5 PZH2E8 PZ3E5 PZ3E8 ...

Страница 63: ...w Select YES with the LEFT and RIGHT buttons RTC5B or UP and DOWN buttons RTC6BL respectively and then press the ENTER button to finish the Detailed settings mode and return to the normal remote controller screen CZ RTC5B CZ RTC6BL Detailed settings Unit no Code no Set data ALL Sel Next 20 30 THU 01 0002 Exit detailed settings and restart NO YES Detailed settings Set data 1 1 10 0001 0001 Unit no ...

Страница 64: ...nnection 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 manufacturer will accept no responsibility for any damage or misoperation that occurs as a result of such...

Страница 65: ... terminal screw using a flat blade screwdriver Special washer Screw and special washer Screw Terminal plate Wire Wire end sleeve Wire Wire end sleeve Shielded wire 1 Remove cable sheath not to 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 t...

Страница 66: ... used For medium version PT10 negative pole and PT9 positive pole 4 PT9 I O Advanced Red wire Medium Red wire 3 PT8 I Advanced White wire Medium not used 2 FD2 O Fan Signal Control of an additional external fan or additional external air handling unit Internal potential 12 V DC 1 FD1 O Potential for FD2 Section B Connections No Name In Out Allocation Function Description 10 FS2 I Float switch Floa...

Страница 67: ...Comment 10 BLIND Unused 9 HU2 O No polarity External Humidifier Control Internal Potential 230 VAC max 3A 8 HU1 O No polarity 7 2Z 7 I Potential for OP3 FanAlarm Input Unit will only operate if this contact is closed otherwise error code P01 will be displayed Internal Potential 230 VAC 6 OP3 I FanAlarm 5 1Z 3 O No polarity Fan Start Stop Signal External Potential max 230 VAC 5A 4 1Z 5 O No polarit...

Страница 68: ...V DC from TR 16 TR 16e via bridge 4 E2 2 E3 2 I No polarity Sensor E2 TH3 PACi or Sensor E3 TH4 ECOi respectively 3 E2 1 E3 1 I No polarity 2 E1 2 I No polarity Sensor E1 TH2 1 E1 1 I No polarity Terminal layout PAW T10 for advanced and light versions only PAW T10 PCB Connections No In Out Allocation Function Comments 1 I 1 Potential for I 2 External Start Stop 2 I 2 ON OFF 3 I 3 Lock RC Lock Cont...

Страница 69: ...al contacts Digital input 7 DI2 By factory default connected to terminal contacts 6 DI1 By factory default connected to terminal contacts 5 COM By factory default connected to terminal contacts 4 AI By factory default connected to terminal contacts Analog input Change temperature setting 3 By factory default connected to terminal contacts 2 AO Advanced version Not connected to terminal contacts Me...

Страница 70: ...Prohibit R C Start Stop Accept R C Start Stop Stop Prohibit R C Start Stop Stop Prohibit R C Start Stop Input 1 2 static Input 3 pulse 3 Start Stop Prohibit R C Start Stop Start Stop Accept R C Start Stop Stop Prohibit R C Start Stop All inputs pulse 4 Start Prohibit R C Start Stop Start Accept R C Start Stop Stop Prohibit R C Start Stop 5 Start Prohibit R C Start Accept R C Start Stop Stop Prohib...

Страница 71: ...r to the separate installation instructions for CZ CAPBC2 5 3 2 PAH3M model Terminal layout Main terminal board ACXA73 38670 Terminal No Allocation Function Description X1 l L X1 1 Live Live Terminal External Potential 230 V AC max 1 A l N X1 2 Neutral Neutral Terminal l 3 X1 3 Comm Communication terminal Internal potential 0 75 V DC l PE X1 4 Protective earth Protective Earth Conductor Terminal N...

Страница 72: ...al output l OT1 X4 13 Potential for OT2 OT6 COM l OT2 X4 14 Heat input Heat mode input 5 V DC 0 5mA Current input l OT3 X4 15 Cool input Cool mode input l OT4 X4 16 Demand Input 1 LV1 demand control input Demand control QUIET and EXCT inputs must be set using indoor unit detailed settings parameter code 0002EE please see relevant technical data service manual for details 5 V DC 0 5mA Current input...

Страница 73: ...ge to activate temperature control system is set for demand control as standard l M2 6 X6 6 No polarity l COM X6 7 Potential for DI1 to DI3 Digital Inputs For information on functionality refer to section Terminal layout CZ CAPBC2 ACC SP1A in this document 2 types of usage a Potential free Keep S3 of CZ CAPBC 2 ACC SP1A on NON VOLTAGE b 12 to 24 V DC 10 mA external Change S3 of CZ CAPBC2 ACC SP1A ...

Страница 74: ... HBS YEL CR UXRP71B P 1 2 TA YEL 1 2 E1 RED 1 3 E3 BRN 1 2 BL GRN 1 3 FS RED 1 2 PNL BRN 1 2 FAN DRIVE WHT L N U1 U2 R1 R2 EX1 EX2 1 2 3 4 5 1 3 3WAY WHT POWER WHT CR SV80A 1 3 SV1 CN003 RED 5 7 9 6 1 2 3 4 5 6 CONNECTOR 6P YEL 1Z 7 5 8 3 1 2Z 7 5 8 3 1 TERMINAL 1Z5 1Z3 TERMINAL OP3 2Z7 05 06 M1 1 M1 2 M1 3 M1 4 M1 5 TERMINAL TA1 TA2 E1 1 E1 2 E3 1 E3 2 BL1 BL2 FS1 FS2 TERMINAL FD1 FD2 1 2 FILTER ...

Страница 75: ... EX2 1Z 7 5 8 3 1 2Z 7 5 8 3 1 TERMINAL 1Z5 1Z3 TERMINAL OP3 2Z7 05 06 M1 1 M1 2 M1 3 M1 4 M1 5 TERMINAL TA1 TA2 E1 1 E1 2 E3 1 E3 2 BL1 BL2 FS1 FS2 TERMINAL FD1 FD2 1 2 FILTER WHT FI1 FI2 1 3 HU1 RED HU1 HU2 1 2 OPTION WHT 3 4 5 6 ON1 ON2 ON3 ON4 ON5 ON6 PE CZ RTC2 4 R1 R2 M1 6 ACC SP1A V119 COM DO2 COM DO1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 CN2 CN1 1 2 3 4 5 6 T10 YEL E COM DI1 DI2 DI3 COM DO2 ...

Страница 76: ...N RED WHT VLT BRN YEL RED WHT BLK BLU ORG BLK BLU BRN YEL RED WHT RED RED BLK BLK ORG RED YEL BLK GRY WHT WHT BLK BLK WHT WHT BLK ORG ORG VLT GRY WHT RED WHT WHT BLK PNK BLU BRN YEL BLU RED WHT WHT RED RED RED WHT RED BLU YEL ORG BRN BRN ORG YEL BLU WHT RED GRY ORG GRY ORG WHT WHT RED BLK BLU WHT RED BLU BLK BLK BLU VLT BLK BLU BLU BLK YEL VLT YEL L N U1 U2 R1 R2 EX1 EX2 TERMINAL 1Z5 1Z3 TERMINAL ...

Страница 77: ...WHT 3 4 5 6 ON1 ON2 ON3 ON4 ON5 ON6 PE CZ RTC2 4 R1 R2 M1 6 M2 1 M2 2 M2 3 M2 4 M2 5 BRN BRN WHT WHT RED RED TR1 BLK BLK BLK BLK BLK BLK BLK BLK RED GRN WHT RED BLK BLU PNK BLU WHT BLK RED WHT YEL BLU BLK WHT RED BLK WHT RED YEL BLU BLK WHT RED YEL BLU RED WHT BLK VLT GRY YEL ORG VLT WHT BRN RED WHT VLT BRN YEL RED WHT BLK BLU ORG ORG RED YEL BLK GRY WHT WHT BLK WHT BLK ORG ORG GRY RED WHT RED WHT...

Страница 78: ... COM DO2 COM DO1 TERMINAL TERMINAL M2 6 M2 5 M2 4 M2 3 M2 2 M2 1 PT10 PT9 PT8 JP1 BRN BRN WHT WHT RED RED TR1 BLK BLK BLK BLK BLK BLK BLK BLK RED GRN WHT RED BLK BLU PNK BLU WHT BLK RED WHT YEL BLU BLK WHT RED BLK WHT RED YEL BLU BLK WHT RED YEL BLU RED WHT BLK VLT GRY YEL ORG VLT WHT BRN RED WHT VLT BRN YEL RED WHT BLK BLU ORG WHT BLK WHT BLK ORG ORG GRY RED WHT RED WHT WHT BLK PNK BLU BRN YEL BL...

Страница 79: ...D WHT VLT BRN YEL RED WHT BLK BLU ORG BLK BLU BRN YEL RED WHT RED RED BLK BLK ORG RED YEL BLK GRY WHT WHT BLK BLK WHT ORG ORG VLT GRY WHT RED WHT WHT BLK PNK BLU BRN YEL BLU RED WHT WHT RED RED RED WHT RED BLU YEL ORG BRN BRN ORG YEL BLU WHT RED GRY ORG GRY ORG WHT WHT RED BLK BLU WHT RED BLU BLK BLK BLU BLK WHT RED YEL BLU BLK WHT RED YEL BLU WHT BLK VLT BLK BLU BLU BLK YEL YEL VLT L N U1 U2 R1 R...

Страница 80: ...4 7 6 5 WHT 1 2 3 4 5 6 T10 YEL E 1 2 OPTION WHT 3 4 5 6 ON1 ON2 ON3 ON4 ON5 ON6 PE CZ RTC2 4 R1 R2 BRN BRN WHT WHT RED RED TR1 ORG RED YEL BLK GRY BLK RED ORG RED YEL BLK GRY BLK BLK BLK BLK BLK BLK BLK BLK RED GRN WHT RED BLK BLU PNK BLU WHT BLK RED WHT YEL BLU BLK WHT RED BLK WHT RED YEL BLU BLK WHT RED YEL BLU RED WHT BLK VLT GRY YEL ORG VLT WHT BRN RED WHT VLT BRN YEL RED WHT BLK BLU ORG ORG ...

Страница 81: ...5 6 T10 YEL E COM DI1 DI2 DI3 COM DO2 COM DO1 TERMINAL M2 6 M2 5 M2 4 TERMINAL M2 3 M2 2 M2 1 PT10 PT9 PT8 JP1 BRN BRN WHT WHT RED RED TR1 ORG RED YEL BLK GRY BLK RED ORG RED YEL BLK GRY BLK BLK BLK BLK BLK BLK BLK BLK RED GRN WHT RED BLK BLU PNK BLU WHT BLK RED WHT YEL BLU BLK WHT RED BLK WHT RED YEL BLU BLK WHT RED YEL BLU RED WHT BLK VLT GRY YEL ORG VLT WHT BRN RED WHT VLT BRN YEL RED WHT BLK B...

Страница 82: ...K BLU BRN YEL RED WHT RED RED BLK BLK ORG RED YEL BLK GRY WHT WHT BLK BLK WHT RED WHT WHT BLK PNK BLU RED RED WHT RED BLU YEL ORG BRN BRN ORG YEL BLU WHT RED GRY ORG GRY ORG WHT BLK BLU BLK BLU BLK BLU BRN BRN WHT WHT RED RED TR1 ORG RED YEL BLK GRY BLK RED ORG RED YEL BLK GRY YEL BLU BLK WHT RED BLK WHT RED YEL BLU BLK WHT RED YEL BLU RED WHT VLT GRY YEL ORG VLT WHT BRN ORG ORG VLT GRY RED WHT WH...

Страница 83: ...HT 5 7 9 1 3 T20 GRY 1 3 TRANS P WHT 1 2 TRANS S WHT 3 4 1 2 PMV WHT 3 4 5 6 1 2 HBS YEL CR UXRP71B P 1 2 TA YEL 1 2 E1 RED 1 3 E2 BLU 1 2 BL GRN 1 3 FS RED 1 2 PNL BRN 1 2 FAN DRIVE WHT L N U1 U2 R1 R2 EX1 EX2 1Z 7 5 8 3 1 2Z 7 5 8 3 1 TERMINAL 1Z5 1Z3 TERMINAL OP3 2Z7 05 06 TA1 TA2 E1 1 E1 2 E3 1 E3 2 FS1 FS2 TERMINAL FD1 FD2 1 2 FILTER WHT FI1 FI2 1 3 HU1 RED HU1 HU2 4POL PK1 B 10 PK1 A PAW T10...

Страница 84: ...OM DI1 DI2 DI3 COM DO2 COM DO1 TERMINAL TERMINAL M2 6 M2 5 M2 4 M2 3 M2 2 M2 1 PT10 PT9 PT8 JP1 BRN BRN WHT WHT RED RED TR1 BLK BLK BLK BLK BLK BLK RED GRN WHT RED BLK BLU PNK BLU WHT BLK RED WHT RED WHT BLK VLT GRY YEL ORG VLT WHT BRN RED WHT VLT BRN YEL RED WHT BLK BLU ORG WHT BLK WHT BLK ORG ORG VLT GRY WHT RED WHT WHT BLK PNK BLU BRN YEL BLU RED RED GRY BLU YEL ORG BRN BRN ORG YEL BLU BLK WHT ...

Страница 85: ...L RED WHT RED RED BLK BLK ORG RED YEL BLK GRY WHT WHT BLK BLK WHT RED WHT WHT BLK PNK BLU RED RED WHT RED BLU YEL ORG BRN BRN ORG YEL BLU WHT RED GRY ORG GRY ORG WHT BLK BLU BLK BLU BLK BLU BRN BRN WHT WHT RED RED TR1 RED WHT VLT GRY YEL ORG VLT WHT BRN WHT BLK ORG ORG VLT GRY WHT BRN YEL BLU RED RED YEL YEL VLT YEL RED YEL WHT VLT L N U1 U2 R1 R2 EX1 EX2 TERMINAL TA1 TA2 E1 1 E1 2 E3 1 E3 2 FS1 F...

Страница 86: ...5 6 7 8 COM DO2 COM DO1 1 3 5 7 5 2 1 3 15 14 13 12 1 2 3 4 4 4 4 16 17 18 22 1 3 1 3 R1 5 R2 6 0 75 BK 0 75 BU 0 75 BK 0 75 BU 0 75 BN 0 75 GNYE 1 OG 1 OG 0 75 BK 0 75 BU 0 22 WH 0 22 WH 0 22 WH 0 22 WH 0 22 WH 0 22 WH 1 OG 1 OG 1 OG 1 OG 0 5 WH 0 5 WH 0 5 WH 0 5 WH 0 5 WH 0 5 WH 0 5 WH 0 5 WH 0 5 WH 0 5 WH 0 22 WH 0 22 WH 0 22 WH 0 22 WH 0 22 WH 0 22 WH 0 22 WH 0 22 WH 0 22 WH 0 22 WH 0 22 WH 0 ...

Страница 87: ...Hz 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 Kit No n Group control Recommended wire lengths and diameters AHU Kit Type B Power supply Time delay fuse or ...

Страница 88: ...ontrol wiring for group control 1 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 Max 1 000 m Max 2 000 m Max 500 m Max 200 m total Wiring system diagram PACi systems and PAH2 generation AHU Kits For single phase outdoor units U2 U1 R2 R1 L N 2 1 D B L N 2 1 A L N C L N U1 U2 Remote controller WHT BLK...

Страница 89: ... Use shielded wiring 0 75 mm2 AWG 18 Use shielded wiring Max 1 000 m Max 2 000 m Max 500 m Max 200 m total Wiring system diagram PACi systems and PAH3 generation AHU Kit For single phase outdoor units L N 2 1 D B L N 2 1 A L N C L N U1 U2 X1 3 PE U1 U2 X5 R1 R2 Remote controller WHT BLK Power supply 220 240V 50 60Hz Ground Ground AHU Kit Outdoor unit INV unit Power supply 220 240V 50 60Hz Ground F...

Страница 90: ...ordance with the wiring regulations 2 Use a shielded cable for the control wiring Wiring system diagram PACi NX systems and PAH3 generation AHU Kit For single phase outdoor units Single system connection L N 2 1 D 2 1 A L N L N X1 3 PE U1 U2 X5 R1 R2 1 2 3 G F C Remote controller WHT BLK Power supply 220 240V 50 60Hz Ground AHU Kit Central control system optional Outdoor unit For single phase outd...

Страница 91: ... 415V 50 60Hz Ground AHU Kit Central control system optional Outdoor unit For three phase outdoor units Multi system connection L N 2 1 D 2 1 A L1 L2 L1 X1 3 PE U1 U2 X5 R1 R2 1 2 3 G L3 N L2 L3 N L N A L1 L2 L1 X1 3 PE U1 U2 X5 R1 R2 1 2 3 G L3 N L2 L3 N E C C Remote controller WHT BLK Power supply 380 415V 50 60Hz Power supply 380 415V 50 60Hz Ground Ground AHU Kit AHU Kit Central control system...

Страница 92: ... used for the model CZ RTC4 CZ RTC5B and CZ RTC6 Series For other remote controllers refer to the manual of each unit 1 Maximum applicable wire for terminal board of indoor unit 4 mm 2 This maximum length shows a 2 voltage drop 3 With ring type wire terminal Notes on wiring system diagrams All systems 1 Refer to the Recommended wire lengths and diameters tables for the explanation of A B C D E F a...

Страница 93: ... When linking ECOi ECO G and PACi outdoor units in a network the following rules for bus terminators must be observed Upon shipment the bus terminator is in shorted condition When linking two outdoor units open the jumper from the bus terminator for only one of these outdoor units When linking more than two outdoor units open the jumper from the bus terminator for all but the first and the last on...

Страница 94: ...or unit is connected by 2 line connection Upon shipment the terminating resistance is set to SHORT operative Leave one unit in short circuit condition among outdoor units in the link Change to OPEN for other units For a system without link no wiring connection between outdoor units do not remove the short plug 8 Do not install the inter unit control wiring in a way that forms a loop Outdoor unit O...

Страница 95: ...and still have full functions of the advanced or medium version respectively ATTENTION Loose wiring may cause overheating of terminals resulting in unit malfunction or fire Loose wiring may cause the terminal to overheat resulting in unit malfunction or a fire hazard When connecting each power wire to the terminal follow the instructions on how to connect wiring to the terminal see 5 6 Connection ...

Страница 96: ...l output terminals D4 IZ 5 and D5 IZ 3 Blower protection input terminals D6 OP3 and D7 2Z 7 Detail view 10P Connector Section D Blower signal output Blower protection 4 5 6 7 1 2 3 4 5 6 7 8 9 10 Blower signal and blower protection lines must be routed through left wiring port below the terminal board For PAH3 generation models Blower signal output terminals F1 X2 1 and F2 X2 2 Max 8 A 230 V AC po...

Страница 97: ...rminal 3 X1 3 Comm Communica on ter PE X1 4 Protec ve earth Protec ve Earth Co X2 F1 X2 1 Poten al for F2 F2 X2 2 Fan contact X3 FS1 X3 1 Poten al for FS2 FS2 X3 2 Float switch FD1 X3 3 Poten al for FD2 FD2 X3 4 Fan Signal EX1 X3 5 Poten al for EXCT Fan Opera on Signa EXCT Contact Control of an addi air handling unit Float switch ex factory bridged 1 2 If uninterrupted fan operation is needed and ...

Страница 98: ...ep or inverter mode e g based on a room CO2 sensor or a room supply pressure control or similar the simple on off contact method as in Method A may not be satisfactory In such cases it is strongly recommended to install a field supplied differential pressure switch and or air flow switch in the AHU duct s in order to enable outdoor unit operation only when sufficient air volume flow is present The...

Страница 99: ...losed so that operation continues Once the set delay time has elapsed the timer contact will be opened but the PAW T10 contacts will stay closed due to the air flow switch relay When the air volume flow drops below the lower limit the air flow switch will open the PAW T10 contacts and the outdoor unit will stop operation At the same time the remote controller in the AHU unit will be locked to prev...

Страница 100: ...perform a test run according 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 out door unit ...

Страница 101: ...i NX outdoor units please check the bluetooth functionality inlcuding remote checker operation in the relevant operation instructions of CZ RTC6BL H C Control App and H C Diagnosis App 7 2 Thermostat The advanced version of the MAH2 PAH2 generation AHU Kit models features a thermostat tem perature controller which can optionally be set and parametrized separately if using the controller is require...

Страница 102: ...ication 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 S SE ET T button TR 16e S SE ET T 1 x briefly The SV display is blinking 2 Change the set value as required using the and buttons TR 16e S SE ET T The SV display shows the desired...

Страница 103: ...quence 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 parameter value TR 16e S SE ET T 4 Confirm the new setting by pressing the S SE ET T button TR 16e S SE ET T 1 x briefly 5 If more than one parameter needs to be...

Страница 104: ...rity while 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 temperature value Therefore for sensitive applications the set value should be reduced before the start of the Auto Tuning mode Aut...

Страница 105: ...ly closed NC ouput When the actual temperature value is above the set temperature value the output is activated When the actual temperature value is below the set temperature value the output is inactive Important On AHU Kit models equipped with thermostat TR 16e the mode can be changed automatically by the remote controller CZ RTC5B or by an external control signal via the terminal contacts DI1 D...

Страница 106: ...ange from 0 10 V to 2 10 V is possible However Panasonic recommends 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 S SE ET T and buttons jointly for approximately 5 seconds TR 16e S SE ET T 1 x 2 buttons for 5 sec The PV display shows PAS while the current setting 0 in the SV display is blinking Note After 30 seconds of i...

Страница 107: ...3 b Capacity low and air volume flow high 3 180 10 These PID settings are intended to respond to AHU situations where either the required capacity is rather high close to the upper limit of the nominal AHU kit capacity while at the same time the air volume flow is rather low a or vice versa b If the initial PID setting results in an unstable temperature during operation these values may be adjuste...

Страница 108: ...his procedure is not required 4 On the thermostat change the set temperature value as required see 7 2 2 Thermostat Operation Changing the set temperature value p 102 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 5 On the re...

Страница 109: ... the AHU kit s terminal connector of section F has not been removed c S3 Set to VOLTAGE or NO VOLTAGE depending on the local digital input DI configuration 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 8 Restore and fasten the upper mounting board in its original position and close the AHU Kit enclosure again see 4 1 1 ...

Страница 110: ...e proceed with step 3 a On the CZ CAPBC2 PCB ACC SP1A located on the rear side of the upper mounting board set switch S3 to VOLTAGE or NO VOLTAGE depending on the BMS digital input DI configuration Control via dry contacts factory default NO VOLTAGE Control via 12 24 V DC signals VOLTAGE 12 24 V DC GND b Restore and fasten the upper mounting board in its original position c On the terminal connect...

Страница 111: ...al current No cut1 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 115 120 No limit Full capacity2 Indoor unit start stop Stop1 Start 1 No cut 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 Note The control system is based on the rule that the last comma...

Страница 112: ...112 AHU Kit Installation Instructions 09 2021 Control 7 empty placeholder page to be deleted if not needed as the last left page ...

Страница 113: ...Notes ...

Страница 114: ...tember 2021 We reserve the right to make technical changes without notice No guarantee for completeness and accuracy of the information The printed colours of the equipment may differ from the actual device colours Copying in full or in parts is prohibited ...

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