Mitsubishi Electric CITY MULTI H Series Manual Download Page 35

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4. Outdoor Installation

DATA U5

SYSTEM DESIGN

Syste

m H

Field piping

Twinning kit

The length of the straight pipe

must be

500 mm [19 in.]

or longer

See the following drawing for connecting the pipes between the outdoor units.

<PUHY-HP144, 192TSHMU-A>

4-3-7. Twinning on the outdoor unit side

The length of the straight pipe must be 500mm[19in.] or longer.

If not, it may cause improper operation.

CAUTION

4 - 101

Summary of Contents for CITY MULTI H Series

Page 1: ...nsmission cable specifications 4 75 2 3 System configuration restrictions 4 76 2 4 Address setting 4 79 3 Piping Design 4 90 3 1 R410A Piping material 4 90 3 2 Piping Design 4 91 3 3 Refrigerant charging calculation 4 93 4 Outdoor Installation 4 94 4 1 Requirement on installation site 4 94 4 2 Spacing 4 95 4 3 Piping direction 4 97 4 4 Weather countermeasure 4 102 5 Caution for refrigerant leakage...

Page 2: ...or and outdoor units because the box is sometimes removed at the time of service work Never connect 100V 208 230V power source to terminal block of transmission If connected electrical parts will be burnt out Use 2 core shield cable for transmission If transmission of different systems are wired with the same multiplecore cable the resultant poor transmitting and receiving will cause erroneous ope...

Page 3: ...1 0 68 PDFY P08NMU E 0 77 0 85 0 075 0 075 0 61 0 68 PDFY P12NMU E 0 77 0 85 0 075 0 075 0 61 0 68 PDFY P15NMU E 0 97 1 07 0 085 0 085 0 77 0 85 PDFY P18NMU E 0 97 1 07 0 085 0 085 0 77 0 85 PDFY P24NMU E 1 09 1 20 0 095 0 095 0 87 0 96 PDFY P27NMU E 1 18 1 30 0 095 0 095 0 94 1 04 PDFY P30NMU E 1 34 1 49 0 095 0 095 1 07 1 19 PDFY P36NMU E 1 85 2 05 0 140 0 140 1 48 1 64 PDFY P48NMU E 2 49 2 77 0...

Page 4: ...34 0 015 0 015 0 25 0 27 PFFY P12NEMU E 0 34 0 38 0 018 0 018 0 27 0 30 PFFY P15NEMU E 0 40 0 44 0 030 0 030 0 32 0 35 PFFY P18NEMU E 0 48 0 53 0 035 0 035 0 38 0 42 PFFY P24NEMU E 0 59 0 64 0 063 0 063 0 47 0 51 PFFY P06NRMU E 60Hz 208 230V 188 to 253V 0 32 0 34 0 015 0 015 0 25 0 27 PFFY P08NRMU E 0 32 0 34 0 015 0 015 0 25 0 27 PFFY P12NRMU E 0 34 0 38 0 018 0 018 0 27 0 30 PFFY P15NRMU E 0 40 ...

Page 5: ... Be sure to use specified wires to connect so that no external force is imparted to terminal connections If connections are not fixed firmly it may cause heating or fire Be sure to use the appropriate type of overcurrent protection switch Note that generated overcurrent may include some amount of direct current A breaker for current leakage must be attached to the power supply If no earth leakage ...

Page 6: ...ssion cable The shield wire of the central control transmission cable must be grounded at the Outdoor unit whose CN41 is changed to CN40 5 MA R C transmission cable 0 3 1 25mm2 must be less than 200m in length while ME R C transmission cable 0 3 1 25mm2 must be less than 10m in length But transmission cable to the ME R C can be extend using a M NET cable 1 25mm2 when the length is counted in the M...

Page 7: ... unit set address to Indoor unit and ME remote controller For the method refer to 2 4 Address Setting 8 Indoor board consumes power from TB3 The power balance should be considered according to System Design 2 3 System configuration restrictions 9 If Transmission booster is needed be sure to connect the shield wires to the both sides to the booster 10 The critical current for choosing power source ...

Page 8: ...0 75 2 0 mm2 AWG18 14 1 If the length from ME to Indoor exceed 10m use 1 25 mm2 AWG16 shielded cable but the total length should be counted into Max length via Outdoor OC OS Outdoor unit controller IC Indoor unit controller MA MA remote controller OC OS Outdoor unit controller IC Indoor unit controller ME ME remote controller M2 TB7 TB3 IC 52 M1M2 1 2 S TB5 TB15 1 2 TB15 1 2 TB15 1 2 TB15 1 2 TB15...

Page 9: ...VS MVVS PVC insulated PVC jacketed shielded control cable CPEVS Connected with simple remote controller PE insulated PVC jacketed shielded communication cable CVV PV insulated PVC sheathed control cable Max length 200m 656ft Li MA Remote controller cables When 10m 32ft is exceeded use cables with the same specification as transmission cables More than 1 25 AWG16 2 0 3 1 25 AWG22 16 0 75 1 25 AWG18...

Page 10: ...3 2 A B C 2 3 2 A Firstly count from TB3 at TB3 side the total quantity of Indoor units and ME remote controller Timers and System controllers If the total quantity reaches 40 a PAC SF46EPA should be set In this case Indoor unit sized P72 96 is counted as 2 Indoor units but MA remote controller s LOSSNAY is NOT counted 2 3 2 B Secondly count from TB7 side to TB3 side the total transmission power c...

Page 11: ...G 50A Fig 2 3 3 A M NET transmission lines transmission lines for central controller MA remote controller ME remote controller Group Group Group Group Indoor unit Indoor unit TB3 Outdoor unit Outdoor unit Replacement of CN41 with CN40 Use CN41 as it is System controller TB7 TB7 TB3 Maximum 3 System controllers can be connected to TB7 M NET transmission lines Indoor Outdoor transmission lines Fig 2...

Page 12: ...208 230V AC power supply is needed The power supply unit PAC SC51KUA is not necessary when connecting only the LMAP03U Yet make sure to change the power supply changeover connector CN41 to CN40 on the LM adapter 2 3 4 Power supply to LM adapter LMAP03U 4 78 ...

Page 13: ...ller as the main remote controller and the other as the sub remote controller No units with identical unit address shall exist in one whole air conditioner system If set erroneously the system can not operate The factory setting is Main 2 4 1 Switch operation 012 3 4 5 6 7 8 9 A B C D E F 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 PAR 21MAA The MA remote controller does not have the switches listed a...

Page 14: ...nits connected to the BC controller Sub plus 50 10 1 BC controller Sub 51 99 100 The smallest address of indoor unit in same refrigerant system 50 Assign sequential address numbers to the outdoor units in one refrigerant circuit system OC and OS are automatically detected Note 2 Please reset one of them to an address between 51 and 99 when two addresses overlap The address automatically becomes 10...

Page 15: ...r supply to LMAP itself Power supply unit is recommended to use for a system having more than 1 outdoor unit because the central transmission power supply from TB7 of one of outdoor units is risking that the outdoor unit failure may let down the whole system controller system Factory setting Setting at the site 2 4 3 System examples 1 Outdoor units OC and OS in one refrigerant circuit system are a...

Page 16: ...R C MA R C Main Sub MA R C SRU Wireless R C 3 3 For Wireless R C and Signal receiver unit SRU channel 1 2 and 3 are selectable and should be set to same channel SC can be connected to TB3 side or TB7 side Should SC connected to TB7 side change Jumper from CN41 to CN40 at the Outdoor unit module so as to supply power to the SC 3 01 02 03 04 05 TB15 TB5 TB5 TB5 TB5 TB5 TB15 TB15 TB15 TB15 1 2 201 SC...

Page 17: ...of capacity If units are the same capacity they are ranked in ascending order of their address Indoor unit MA R C MA R C Main Sub MA R C SRU Wireless R C 1 2 System controller should connect to TB7 at Outdoor and use power supply unit together in Multi Refrigerant System For G 50A 12V DC should be used with the PAC SC50KUA For AG 150A 24V DC should be used with the PAC SC51KUA 1 01 02 03 30 TB15 T...

Page 18: ... need of Booster at 2 3 System configuration restrictions NOTE ME R C ME R C Indoor unit ME R C 104 105 155 01 04 05 TB5 TB5 TB5 ME R C 101 Group 1 Group 4 Group 5 201 SC SC can be connected to TB3 side or TB7 side Should SC connected to TB7 side change Jumper from CN41 to CN40 at the Outdoor unit module so as to supply power to the SC 1 Outdoor units OC and OS in one refrigerant circuit system ar...

Page 19: ... Refrigerant System For G 50A 12V DC should be used with the PAC SC50KUA For AG 150A 24V DC should be used with the PAC SC51KUA 2 When multiple system controllers are connected in the system set the controller with more functions than others as a main controller and others as sub Make the setting to only one of the system controllers for prohibition of operation from local remote controller 01 02 ...

Page 20: ...other refrigerant systems It is necessary to set on the remote controller by manual when group sets on the different refrigerant system Please refer to remote controller installation manual SC 201 Group 1 Group 3 Group 4 Group 2 ME R C 01 02 03 04 05 101 105 09 10 08 07 06 110 107 ME R C ME R C ME R C TB7 TB3 56 CN41 CN40 OFF DipSW2 1 TB3 TB7 TB7 TB3 52 51 CN41 CN40 CN41 CN40 OFF DipSW2 1 OFF DipS...

Page 21: ... TB5 TB5 TB2 Transmission Booster PAC SF46EPA TB5 TB15 TB15 TB3 TB15 Group 2 Group 1 Group 40 TB7 TB3 51 OC CN41 CN40 ON DipSW2 1 Indoor unit ME R C ME R C ME R C 01 02 03 30 TB5 TB5 TB5 TB2 Transmission Booster PAC SF46EPA TB5 ME R C 101 102 130 180 TB3 Group 2 Group 1 Group 21 TB7 TB7 TB7 TB3 TB3 92 91 OC OS TB3 51 OC CN41 CN40 CN41 CN40 CN41 CN40 ON DipSW2 1 ON DipSW2 1 ON DipSW2 1 ME R C ME R ...

Page 22: ...up 1 Group 40 TB7 TB3 51 OC CN41 CN40 ON DipSW2 1 Indoor unit ME R C ME R C ME R C 01 02 03 30 TB5 TB5 TB5 TB2 Transmission Booster PAC SF46EPA TB5 ME R C 101 102 130 180 TB3 Group 2 Group 1 Group 21 TB7 TB7 TB7 TB3 TB3 92 91 OC OS TB3 51 OC CN41 CN40 CN41 CN40 CN41 CN40 ON DipSW2 1 ON DipSW2 1 ON DipSW2 1 ME R C ME R C Indoor unit ME R C ME R C 142 144 145 195 41 42 43 44 45 TB5 TB5 Interlocked L...

Page 23: ...it MA R C MA R C Main Sub MA R C SRU Wireless R C 1 1 01 02 03 42 TB15 TB5 TB5 TB5 TB2 Transmission Booster PAC SF46EPA TB5 TB15 TB15 TB3 TB15 Group 2 Group 1 Group 40 TB7 TB7 TB3 TB3 52 51 OC OS CN41 CN40 CN41 CN40 OFF DipSW2 1 OFF DipSW2 1 Indoor unit ME R C ME R C ME R C 01 02 03 30 TB5 TB5 TB5 TB2 Transmission Booster PAC SF46EPA TB5 ME R C 101 102 130 180 TB3 Group 2 Group 1 Group 21 TB3 TB7 ...

Page 24: ...et the local standards or pipe sized ø19 05 3 4 for R410A air conditioner choice of pipe type is up to you Size mm Size inch Radial thickness mm Pipe type ø6 35 ø1 4 0 8 Type O ø9 52 ø3 8 0 8 Type O ø12 7 ø1 2 0 8 Type O ø15 88 ø5 8 1 0 Type O ø19 05 ø3 4 1 2 Type O ø19 05 ø3 4 1 0 Type 1 2H or H ø22 2 ø7 8 1 0 Type 1 2H or H ø25 4 ø1 1 0 Type 1 2H or H ø28 58 ø1 1 8 1 0 Type 1 2H or H ø31 75 ø1 1...

Page 25: ...PUHY HP 72 96THMU Piping Table3 2 1 1 Piping length m ft Item Piping in the figure Max length Max equivalent length Total piping length A B C D a b c d e f g 300 984 Farthest IU from OU L1 A C D g A B d 150 492 175 574 Farthest IU from first Joint L2 C D g B d 40 131 40 131 Height between OU and IU OU above IU H 50 164 Height between OU and IU OU under IU H 40 131 Height between IU and IU h 15 49 ...

Page 26: ...ap gas pipe only Upward incline Downward incline Install the pipes from the outdoor unit to the branch joint with a downward incline If the length of pipe between the branch joint and outdoor unit exceeds 2m 6 56ft provide at rap at a distance 2m 6 56ft or less from the branch joint OK NO 3 2 2 PUHY HP144 192TSHMU Piping Table3 2 2 1 Piping length m ft Item Piping in the figure Max length Max equi...

Page 27: ...Additional refrigerant charge Total length of liquid m x 0 20 kg m Total length of liquid m x 0 12 kg m Total length of liquid m x 0 06 kg m Total length of liquid m x 0 024 kg m Total length of liquid 124 124 oz 0 ft x 3 1 oz ft Additional refrigerant charge 0 0 131 x 1 29 193 x 0 65 64 x 0 26 436 oz Total length of liquid x 3 1 oz ft 0 ft x 2 15 oz ft Total length of liquid x 2 15 oz ft 131 ft x...

Page 28: ... unit 3 Avoid the sites where strong winds blow 4 With strength to bear the weight of the unit 5 Drain flow from the unit is cared at heating mode 6 Enough space for installation and service as shown at 4 2 7 Avoid the sites where acidic solutions or chemical sprays sulfur series are used frequently 8 The unit should be secure from combustible gas oil steam chemical gas like acidic solution sulfur...

Page 29: ...In case of single installation 3 If the wall height H of the front rear or side exceeds the wall height restriction 4 If there are obstacles at the upper part of the unit A Top view B Side view C When there is little space up to an obstruction When the height of the walls on the front back or on the sides H exceeds the wall height limit as defined below add the height that exceeds the height limit...

Page 30: ...ace to allow for air circulation and passageways between groups of units as shown in the figures At least two sides must be left open As with the single installation add the height that exceeds the height limit h to the figures that are marked with an asterisk Front Must be open 17 23 32 17 23 32 17 23 32 17 23 32 17 23 32 3 15 16 39 3 8 17 23 32 17 23 32 11 13 16 11 13 16 11 13 16 11 13 16 35 7 1...

Page 31: ...it from two corners and must not be attempt ed Use protective pads to keep the ropes from scratching the panels on the unit 8 26 8 26 40 Products weighing more than 20 kg 45 LBS should not be carried alone Do not carry the product by the PP bands To avoid the risk of injury do not touch the heat exchanger fins Plastic bags may pose a risk of choking hazard to children Tear plastic bags into pieces...

Page 32: ...r pad vibration isolation base to keep vibrations and noise from being transmitted from the unit through walls and floors Install the unit in such a way that the corner of the angle bracket at the base of the unit shown in the figure below is securely supported Install the anchor bolt in such a way that the top end of the anchor bolt do not stick out more than 30 mm 1 3 16in This unit is not desig...

Page 33: ...e routed at the bottom of the unit make sure that the through hole at the base of the unit does not get blocked with the installation base When the pipes are routed at the bottom of the unit the base should be at least 100 mm 3 15 16 in in height 145 5 23 32 142 5 19 32 PUHY HP72THMU PUHY HP96THMU Model A The gaps around the edges of through holes for pipes and wires on the unit allow water or mic...

Page 34: ...g so that the length of the straight part of pipe connected in front of the twinning pipe can be 500 mm 19 in or longer If the length is less than 500 mm 19 in it will cause damage to the unit T o Indoor unit Less than 2 m 6 ft T o Indoor unit 2m 6 ft 200 mm 7 in or over Trap gaspipeonly The piping connection When connecting the twinning kit to the outdoor unit note the following If the length of ...

Page 35: ... of the straight pipe must be 500 mm 19 in or longer See the following drawing for connecting the pipes between the outdoor units PUHY HP144 192TSHMU A 4 3 7 Twinning on the outdoor unit side The length of the straight pipe must be 500mm 19in or longer If not it may cause improper operation CAUTION 4 101 ...

Page 36: ...ld frame base at customer referring to this figure Material Galvanized steel plate 1 2T 1 16 in T Painting Overall painting with polyester powder Color Munsell 5Y8 1 same as that of unit 4 When the unit is used in a cold region and the heating operation is continuously performed for a long time when the outside air temperature is below freezing install a heater to the unit base or take other appro...

Page 37: ... for refrigerant leakage Oxygen sensor or refrigerant sensor At 0 3m height from the floor Fresh air supply fan Indoor space Floor Fig 5 4 Fresh air supply and refrigerant shut off upon sensor action Note 1 Countermeasure 3 should be done in a proper way in which the fresh air supply shall be on whenever the leakage happens Note 2 In principle MITSUBISHI ELECTRIC requires proper piping design inst...

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