Panasonic PAW-160MAH3M Installation Instructions Manual Download

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AHU Kit – Installation Instructions – 07/2023

Electrical Wiring

Electric circuit example including a timer and air flow switch

X2.1

X2.2

etc.

FS1

X3.1

etc.

T10.1

X3.9

T10.2

X3.10

56b

56b1

Timer

0–10

V capacity control

External control

system

Air Handling Unit (AHU)

AHU Kit

PACi or ECOi/ECO G outdoor unit

Air flow switch

Summary of Contents for PAW-160MAH3M

Page 1: ...NX AHU Kit Installation Instructions 2023 Air Handling Unit Kit Installation Instructions PAW 160MAH3M PAW 280MAH3M PAW 560MAH3M PAW 280PAH3M 1...

Page 2: ...Notes...

Page 3: ...ghts 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...

Page 4: ...em Overview 30 3 5 Technical data 33 4 Installation 39 4 1 Installation of AHU Kit 39 4 1 1 MAH3 PAH3 generation 39 4 1 2 Installation of refrigerant piping 41 4 2 Installation of expansion valve 41 4...

Page 5: ...ol by an external BMS 80 8 Trouble diagnosis 83 8 1 Common error codes PACi ECOi 83 8 2 Specific error codes for PACi 85 8 3 Specific error codes for ECOi 85 8 4 Error codes for outdoor units 85 8 5 S...

Page 6: ...otes 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 Kit...

Page 7: ...ath 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 situation which can result in slight or mo...

Page 8: ...d 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...

Page 9: ...tric 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...

Page 10: ...es p 17 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...

Page 11: ...3 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...

Page 12: ...t 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...

Page 13: ...1 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...

Page 14: ...ity Limit Lines where each line applies to a different indoor unit installation height as follows Installation height of indoor unit h0 Indoor unit type Density limit line h0 2 2 m AHU unit Line 1 1 8...

Page 15: ...1 2 1 3 4 5 mc 1 32 kg 0 017 kg 40 m 30 m mc 1 49 kg U 100PZ3E5 U 100PZ3E8 U 125PZ3E5 U 125PZ3E8 U 140PZ3E5 U 140PZ3E8 mc Refrigerant charge amount specified in kilogrammes kg mmax Maximum refrigerant...

Page 16: ...H4E5 U 125PZH4E8 U 140PZH4E5 U 140PZH4E8 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 i...

Page 17: ...chlorine shall be avoided as the chlorine may react with the refrigerant and corrode the copper pipework Preferably use an electronic leak dectector which is suitable for R32 to check for leaks Make s...

Page 18: ...way valves capillary tubes accumulator tanks and heat exchanger tubes nor for any damages and defects caused in the process of installing our AHU Kit by the system design and or during assembly of you...

Page 19: ...levels used for office spaces Also at high temperatures maximum limitation of absolute humidity should be provided to avoid muggy conditions Typically this limit value lies at about 10 g kg H2O Absol...

Page 20: ...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...

Page 21: ...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...

Page 22: ...tem Air Handling Unit PACi or ECOi ECO G outdoor unit 1 This schematic layout shows an example for the MAH3 PAH3 AHU Kit generation which feature an in built CZ CAPBC2 interface handling the 0 10 V co...

Page 23: ...efits Features and benefits MAH3 PAH3 Connectable with S LINK system 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...

Page 24: ...ion valve X PCBs for the expansion and RAP SVK valves X Refrigerant temperature sensors E1 E3 X E1 E2 X Air intake and air outlet temperature sensors TA X X BL X CZ CAPBC2 interface for 0 10 V control...

Page 25: ...2 Suction air temperature TA sensor output by 4 20 mA signal Terminals AO1 AO2 Mode select and or ON OFF control2 Terminals DI1 DI2 DI3 COM Fan operation control2 Terminals DI1 DI2 DI3 COM Operation s...

Page 26: ...TH OFF contact potential free possible usage for external blow out temperature control Terminal EX1 EX2 ON OFF control1 Terminals T10 1 T10 2 Fan alarm input internal potential 230 V AC2 Terminals OP...

Page 27: ...B PCB name PAN MOVG1 4 Main control board 1 PCB name PAN UXRP71B P 5 Fan relay 6 RAP valve control PCB PCB name A2 PAN SV80x 7 Terminal board 5 7 1 2 3 4 6 PAH3M 1 Mounting board 1 Remote controller C...

Page 28: ...peration 2 PAW 280MAH3M PAW 280MAH3M can be installed in combination 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 leas...

Page 29: ...d 3 PAW 560MAH3M Like any other indoor unit of similar capacity PAW 560MAH3M can be installed in combination with all ECO G 2 way outdoor units only Mixed Installation with standard indoor units is no...

Page 30: ...tdoor 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 suction air K Thermistor for...

Page 31: ...rol 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 hous ing including fan and they have to be group wired...

Page 32: ...2 Multi connection systems are possible in combination with PAW 160MAH3M or PAW 280MAH3M In case of multi connections with PAW 560MAH3M further restrictions will apply For details please contact your...

Page 33: ...3M 1 3 5 Technical data Technical data AHU Kit MAH3 PAH3 generation Power source V ph Hz 220 240 1 50 Rated current consumption A 0 1 Rated power consumption max W 18 0 Dimensions enclosure H x W x D...

Page 34: ...of AHU Kit Cooling Min Max C DB 18 32 18 32 18 32 18 32 18 32 C WB 13 23 13 23 13 23 13 23 13 23 Heating Min Max C DB 16 30 16 30 16 30 16 30 16 30 Ambient temperature outdoor unit Cooling Min Max C D...

Page 35: ...2 400 2 500 2 600 2 700 2 900 3 000 3 500 4 000 4 320 4 440 4 600 5 040 5 400 U 200PZH2E8 U 250PZH2E8 Maximum allowed air volume flow under Standard conditions Higher maximum allowed air volume flow...

Page 36: ...oling Min Max C DB 10 43 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 15 24 AHU unit under standard conditions Air volume flow Cooling Min M...

Page 37: ...exchanger volume subject to restrictions3 Min Max dm3 1 0 1 5 1 0 1 5 1 1 1 8 1 2 2 5 1 7 3 4 1 7 3 4 1 7 3 4 Additional refrigerant charge R32 due to larger heat exchanger volume kg dm3 0 83 0 83 0 8...

Page 38: ...ets Number of rows 1 5 10 4 The 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 p...

Page 39: ...rect 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 sunl...

Page 40: ...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...

Page 41: ...expansion valve Installation of expansion valve ECOi and ECO G systems ATTENTION Damage to the expansion valve wires Exposing the wires of the expansion valve to the outside and or to direct sunlight...

Page 42: ...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 t...

Page 43: ...e Clamp Important If there are multiple heat exchangers in one ECOi system an individual thermistor must be installed for each heat exchanger 4 3 1 Installation of thermistor on gas pipe Installation...

Page 44: ...te 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 4 3 2 Installation of thermistor on liquid pipe Mount E1 thermis...

Page 45: ...ix thermistor with two bands Then run the wire downwards in a loop to avoid putting tension to it 4 Cover the aluminum tape with thermal insulation And also cover the sensor copper portion with therma...

Page 46: ...ty There are four different methods to achieve this aim Method A Cutting JP001 to ignore capacity One possibility is to cut jumper JP001 on the outdoor unit main PCB Important Method A is only applica...

Page 47: ...tdoor unit using the optional special service wiring CV6242785082 or PAW MRC as an alternative you can also use any unused indoor unit connector E3 PNL FS RC or temporarily disconnect one of those wir...

Page 48: ...e system and power it on again before performing the following steps 2 Simultaneously press and hold the relevant three button combination on the remote controller see below for at least 4 seconds unt...

Page 49: ...ing Detailed settings Unit no Code no 1 1 000011 Set data 0001 0001 6 Highlight the Set data option using the DOWN and ENTER buttons With the UP and DOWN buttons change the default value according to...

Page 50: ...able to the following combinations of PACi outdoor units and AHU Kits PACi NX PZ3 PZH3 PZH4 outdoor units R32 and PAH3 AHU Kit model To change the relevant setting invoke the Detailed settings mode on...

Page 51: ...ystem and press the ENTER button to confirm the new setting Code no 000001 xxxxxx Set data 0001 0001 0 0 0 0 0 0 5 Press and hold the ENTER button for at least 2 seconds to get directly to the 6 digit...

Page 52: ...the MENU button several times This will invoke a confirmation message see below Select YES with the UP and DOWN buttons and then press the ENTER button to finish the Detailed settings mode and return...

Page 53: ...on 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 movin...

Page 54: ...al 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 Take care not to scra...

Page 55: ...1 X3 1 Lower Potential for FS Float switch ex factory bridged Internal Potential 12 V DC l FS2 X3 2 Higher Potential for FS l FD1 X3 3 Higher Potential for ext Fan ON OFF Control output of an addition...

Page 56: ...gnal output field supplied l OP2 X4 10 Lower Potential for Defrost Defrost signal output l OP3 X4 11 Lower Potential for Thermostat ON Thermostat ON signal output l OP4 X4 12 Lower Potential for Cool...

Page 57: ...larity Activation of demand control Insert bridge to activate temperature control system is set for demand control as standard l T D2 X6 6 No polarity l COM X6 7 Lower potential for DI1 to DI3 Digital...

Page 58: ...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 co...

Page 59: ...rohibit 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 S...

Page 60: ...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 po...

Page 61: ...operation signal output l OT1 X4 13 COM for OT2 OT6 Lower Potential 2 5 5 0 V DC Internal Potential 2 5 5 0 V DC 0 5mA Current1 l OT2 X4 14 Heat input Higher Potential Heat mode input l OT3 X4 15 Cool...

Page 62: ...demand control as standard l T D2 X6 6 No polarity l COM X6 7 Lower potential for DI1 to DI3 Digital Inputs For information on functionality refer to section Terminal layout CZ CAPBC2 ACC SP1A in thi...

Page 63: ...1 1 A1 A4 A3 1 3 PE 1 3 1 2 3 4 5 6 1 2 1 2 1 2 1 3 1 2 1 3 2 1 4 3 A B 5 6 7 8 COM DO2 COM DO1 15 14 13 12 1 3 R1 3 R2 4 0 75 BK 0 75 BU 1 OG 1 OG 0 22 GY 0 22 GY 0 22 GY 0 22 GY 0 22 GY 0 22 GY 1 OG...

Page 64: ...1 A4 A3 1 3 5 PE 1 2 1 2 3 4 5 6 1 2 3 4 5 6 1 2 1 2 1 2 1 2 1 2 1 2 2 1 4 3 A B 5 6 7 8 COM DO2 COM DO1 5 2 15 14 13 12 16 17 18 1 3 1 3 R1 5 R2 6 0 75 BK 0 75 BU 0 75 BN 0 75 GNYE 1 OG 1 OG 0 22 GY...

Page 65: ...ng system diagram ECOi systems For single phase outdoor units Single system connection A L N C L N U1 U2 L N 2 1 D B L N 2 1 WHT BLK X1 PE U1 U2 X5 R1 R2 AHU kit Power supply 220 240V 50Hz Power suppl...

Page 66: ...nd Ground Ground Ground AHU kit No 1 AHU kit No 2 AHU kit No 3 AHU kit No n Power supply 380 415V 3 N 50Hz Power supply 380 415V 3 N 50Hz Inter outdoor unit control wiring Outdoor unit INV unit Outdoo...

Page 67: ...rol wiring C Inter unit control wiring between outdoor unit and AHU Kit D Remote control wiring E Control wiring for group control 0 75 mm2 AWG 18 Use shielded wiring or 2 0 mm2 AWG 14 Use shielded wi...

Page 68: ...accordance 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 conn...

Page 69: ...380 415V 50Hz 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...

Page 70: ...ith 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 and G in the above diagrams 2 Th...

Page 71: ...er from the bus terminator for all but the first and the last one in the same link wiring network For a system without link no wiring connection between outdoor units do not remove the bus terminator...

Page 72: ...not install the inter unit control wiring in a way that forms a loop Outdoor unit Outdoor unit Outdoor unit Indoor unit Indoor unit Indoor unit Prohibited Prohibited Indoor unit Indoor unit 9 Do not i...

Page 73: ...Connection of external signal lines ATTENTION Insufficient airflow may result in heat exchanger coil to freeze up In systems using an AHU Kit situations may occur where the outdoor unit is operating...

Page 74: ...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 potential free...

Page 75: ...1 X1 External Potential max 250 VAC 5 A X1 Relay field supplied F2 F1 X1 X2 l F1 X2 1 l F2 X2 2 External Potential max 230 VAC 8 A X1 Relay field supplied If uninterrupted fan operation is needed and...

Page 76: ...i step or inverter mode fan control by external BMS When the AHU fan is controlled by an external building management system in a multi step or inverter mode e g based on a room CO2 sensor or a room s...

Page 77: ...CB contacts T10 1 T10 2 or the PAW T10 PCB contacts No 1 and 2 it is also possible to use for example terminal contacts X6 7 to X6 10 in Section X6 of the main PCB COM and DI1 to DI3 For correct use o...

Page 78: ...mple including a timer and air flow switch X2 l F1 X2 1 l F2 X2 2 l etc X3 l FS1 X3 1 l etc l T10 1 X3 9 l T10 2 X3 10 L N 16 15 14 L N 30 56b 31 t 56b1 Timer 0 10 V capacity control External control...

Page 79: ...erform 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 wir...

Page 80: ...uding remote checker operation in the relevant operation instructions of CZ RTC6BL H C Control App and H C Diagnosis App 7 2 Enabling 0 10 V demand control by an external BMS To set the CZ CAPBC2 PCB...

Page 81: ...AHU Kit s main PCB Make sure that all other jumpers remain intact X6 l AO1 X6 1 l AO2 X6 2 l AI1 X6 3 l AI2 X6 4 l T D1 X6 5 l T D2 X6 6 l COM X6 7 l DI1 X6 8 l DI2 X6 9 l DI3 X6 10 l COM X6 11 l DO2...

Page 82: ...rt 7 6 8 0 110 Start Input Voltage V Demand of nominal current Indoor unit start stop 8 1 8 5 115 Start 8 6 9 0 120 Start 9 1 10 0 No limit Full capacity2 Start 1 No cut Stop AHU system indoor unit is...

Page 83: ...r is set up E04 Error in AHU Unit Receiving Signal from the Outdoor unit When there is no communication within a 3 minute period from the outdoor unit Or judged an error when no reply comes from the o...

Page 84: ...nnected or defective or not set ECOi R 24 or R 270k F29 EEPROM of AHU unit failure EEPROM of the AHU unit main PCB failure An error is determined when the nonvolatile memory EEPROM on the AHU control...

Page 85: ...AHU main PCB A1 8 4 Error codes for outdoor units For all error codes not mentioned here please check in the service manual of the corresponding outdoor unit model The meaning of those error codes mi...

Page 86: ...k and clear the indoor unit alarm On off out at 100 ms intervals Initializing communications com munications error Check the remote control line connection A4 PCB CN1 terminals 12 13 to A1 PCB CN041 b...

Page 87: ...g intake temperature shift 0000 No offset 0001 0006 Makes an offset for the intake temperature by the set value in C during heating mode 0A RC sensor differential 0000 Thermostat OFF differential 1 C...

Page 88: ...le discharge control enabled code 3A by the set value in C during heating mode 1E Temperature shift for cooling heating change in auto heat cool mode 0001 0007 Set value in C for switch over hysteresi...

Page 89: ...ature displayed 0001 Room temperature displayed 37 Defrost symbol displayed on RC 0000 Defrost not displayed 0001 Defrost displayed 3A Discharge temperature control only for VRF 0000 Discharge tempera...

Page 90: ...90 AHU Kit Installation Instructions 07 2023 Parameter settings 9 Notes...

Page 91: ...Notes...

Page 92: ...uly 2023 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 dev...

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