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Mitsubishi Electric CITY MULTI H Series Manual

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CITY MULTI
SYSTEM DESIGN H SERIES
1. Electrical work.................................................................................................................................................. 4 - 68
1-1.General cautions ....................................................................................................................................... 4 - 68
1-2.Power supply for Indoor unit and Outdoor unit .......................................................................................... 4 - 69
1-3.Power cable specifications ........................................................................................................................ 4 - 71
1-4.Power supply examples............................................................................................................................. 4 - 72
2. M-NET control.................................................................................................................................................. 4 - 74
2-1.Transmission cable length limitation.......................................................................................................... 4 - 74
2-2.Transmission 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 ........................................................................................................................ 4 - 103
SYSTEM DESIGN H SERIES
DATA U5
4 - 67

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Summary of Contents for Mitsubishi Electric CITY MULTI H Series

  • Page 1: Table Of Contents

    DATA U5 CITY MULTI SYSTEM DESIGN H SERIES 1. Electrical work..............................4 - 68 1-1.General cautions ............................4 - 68 1-2.Power supply for Indoor unit and Outdoor unit ..................4 - 69 1-3.Power cable specifications ........................4 - 71 1-4.Power supply examples..........................4 - 72 2.

  • Page 2: Electrical Work

    1. Electrical work DATA U5 1-1. General cautions I. 1. Electrical work Follow ordinance of your governmental organization for technical standard related to electrical equipment, wiring regulations, and guidance of each electric power company. Wiring for control (hereinafter referred to as transmission cable ) shall be (50mm[1-5/8in] or more) apart from power source wiring so that it is not influenced by electric noise from power source wiring.
  • Page 3 1. Electrical work DATA U5 1-2. Power supply for Indoor unit and Outdoor unit 1-2-1. Electrical characteristics of Indoor unit Symbols: MCA : Min.Circuit Amps (=1.25xFLA) FLA : Full Load Amps IFM :Indoor Fan Motor Output : Fan motor rated output Indoor Unit Model Volts...
  • Page 4 1. Electrical work DATA U5 Symbols: MCA : Min.Circuit Amps (=1.25xFLA) FLA : Full Load Amps IFM :Indoor Fan Motor Output : Fan motor rated output Indoor Unit Model Volts Voltage range MCA(A) Output(kW) FLA(A) PKFY-P06NBMU-E 0.19 / 0.19 0.008 / 0.008 0.15 / 0.15 PKFY-P08NBMU-E 0.19 / 0.19...

  • Page 5: 1-3.Power Cable Specifications

    1. Electrical work DATA U5 1-2-2. Electrical characteristics of Outdoor unit of cooling mode Symbols: MCA : Min. Circuit Amps : Starting Current : Rated Load Amps PUHY-HP-T(S)HMU Compressor Outdoor Units Model Unit Combination RLA(A) RLA(MAX)(A) Volts Voltage range MCA(A) Max.

  • Page 6: 1-4.Power Supply Examples

    75A 100mA 0.1sec. or less 21.4/4 21.4/4 Non-fuse breaker *1 The breakers for current leakage should support Inverter circuit. (e.g. Mitsubishi Electric's NV-C series or equivalent). Outdoor unit *2 Breakers for current leakage should combine using of switch. Indoor unit *3 It shows data for B-type fuse of the breaker for current leakage.
  • Page 7 75A 100mA 0.1sec. or less 21.4/4 21.4/4 Non-fuse breaker *1 The breakers for current leakage should support Inverter circuit. (e.g. Mitsubishi Electric's NV-C series or equivalent). Outdoor unit *2 Breakers for current leakage should combine using of switch. Indoor unit *3 It shows data for B-type fuse of the breaker for current leakage.

  • Page 8: M-Net Control

    2. M-NET control DATA U5 2-1. Transmission cable length limitation 2. M-NET control 2-1-1. Using MA Remote controller Long transmission cable causes voltage down, therefore, the length limitation should be obeyed to secure proper transmission. Max. length via Outdoor (M-NET cable) L1+L2+L3+L4, L1+L2+L6+L7, L3+L4+L6+L7 <=500m[1640ft.] 1.25mm [AWG16] or thicker Max.

  • Page 9: 2-2.Transmission Cable Specifications

    2. M-NET control DATA U5 2-2. Transmission cable specifications Transmission cables ME Remote controller cables MA Remote controller cables Shielding wire (2-core) Sheathed 2-core cable (unshielded) Type of cable CVVS, CPEVS or MVVS 0.3 1.25 [AWG22 16] 0.3 1.25 [AWG22 16] Cable size More than 1.25 [AWG16]...

  • Page 10: 2-3.System Configuration Restrictions

    2. M-NET control DATA U5 2-3. System configuration restrictions 2-3-1. Common restrictions for the CITY MULTI system For each Outdoor unit, the maximum connectable quantity of Indoor unit is specified at its Specifications table. A) 1 Group of Indoor units can have 1-16 Indoor units; B) Maximum 2 remote controllers for 1 Group;...
  • Page 11 2. M-NET control DATA U5 2-3-3. Ensuring proper power supply to System controller The power to System controller (excluding LMAP03-U) is supplied via M-NET transmission line. M-NET transmission line at TB7 side is called Central control transmission line while one at TB3 side is called Indoor-Outdoor transmission line. There are 3 ways to supply power to the System controller .
  • Page 12 2. M-NET control DATA U5 2-3-4. Power supply to LM adapter LMAP03U 1-phase 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. 4 - 78 SYSTEM DESIGN...

  • Page 13: 2-4.Address Setting

    2. M-NET control DATA U5 2-4. Address setting 2-4-1. Switch operation In order to constitute CITY MULTI in a complete system, switch Rotary switch operation for setting the unit address No. and connection No. is Branch Unit address No. setting required.
  • Page 14 2. M-NET control DATA U5 2-4-2. Rule of setting address Unit Address setting Example Note Use the most recent address within the same group of indoor units. Make the indoor units address connected to the BC controller (Sub) larger than the indoor units address connected to the BC controller (Main).
  • Page 15 2. M-NET control DATA U5 2-4-3. System examples Factory setting Original switch setting of the outdoors, indoors, controllers and LMAP at shipment is as follows. Outdoor unit : Address: 00, CN41: U (Jumper), DipSW2-1: OFF Indoor unit : Address: 00 ME remote controller : Address: 101 LMAP...
  • Page 16 2. M-NET control DATA U5 2-4-3-2. MA remote controller, Single-refrigerant-system, System Controller <Two outdoor units> <One outdoor unit> PUHY-HP-TSHMU PUHY-HP-THMU CN40 CN41 CN40 CN41 CN40 CN41 DipSW2-1 DipSW2-1 DipSW2-1 To *1 or *2 Group 1 Group 2 Group 3 Group 4 Indoor unit TB15 TB15...
  • Page 17 2. M-NET control DATA U5 2-4-3-3. MA remote controller, Multi-refrigerant-system, System Controller at TB7 side, Booster for long M-NET wiring PUHY-HP-TSHMU PUHY-HP-TSHMU PUHY-HP-THMU CN40 CN41 CN40 CN41 CN40 CN41 CN40 CN41 CN40 CN41 DipSW2-1 DipSW2-1 DipSW2-1 DipSW2-1 DipSW2-1 Group 1 Group 2 Group 21 Indoor unit...
  • Page 18 2. M-NET control DATA U5 2-4-3-4. ME remote controller, Single-refrigerant-system, No system controller <Two outdoor units> <One outdoor unit> PUHY-HP-TSHMU PUHY-HP-THMU CN40 CN41 CN40 CN41 CN40 CN41 DipSW2-1 DipSW2-1 DipSW2-1 To *1 or *2 Group 1 Group 2 Group 3 Group 4 Indoor unit ME R/C...
  • Page 19 2. M-NET control DATA U5 2-4-3-6. ME remote controller, Multi-refrigerant-system, System Controller at TB 7side, LOSSNAY, Booster for long M-NET wiring PUHY-HP-TSHMU PUHY-HP-TSHMU PUHY-HP-THMU CN40 CN41 CN40 CN41 CN40 CN41 CN40 CN41 CN40 CN41 DipSW2-1 DipSW2-1 DipSW2-1 DipSW2-1 DipSW2-1 Group 1 Group 2 Group 21 Indoor unit...
  • Page 20 2. M-NET control DATA U5 2-4-3-7. ME remote controller, Multi-refrigerant-system, No Power supply unit PUHY-HP-TSHMU PUHY-HP-THMU CN40 CN41 CN40 CN41 CN40 CN41 DipSW2-1 DipSW2-1 DipSW2-1 Group 1 Group 2 ME R/C ME R/C Group 4 Group 3 ME R/C ME R/C NOTE It is necessary to change the connecter to CN40 on the outdoor unit control board (only one outdoor unit) when the group is set between other refrigerant systems.
  • Page 21 2. M-NET control DATA U5 2-4-3-9. TG-2000A+G-50A/GB-50A G-50A/GB-50A can control max. 50 indoor units; TG-2000A can control max. 40 pieces of G-50A or GB-50A; TG-2000A can control max. 2000 indoor units. PUHY-HP-THMU GB-50A CN40 CN41 (PAC-SC50KUA) DipSW2-1 Group 1 Group 2 Group 40 Indoor unit TB15...
  • Page 22 2. M-NET control DATA U5 2-4-3-10. TG-2000A(Ver.5.5*series)+AG-150A(Ver.1**series) AG-150A can control max. 50 indoor units; TG-2000A can control max. 40 pieces of AG-150A*1; TG-2000A can control max. 2000 indoor units. PUHY-HP-THMU AG-150A 24VDC CN40 CN41 DipSW2-1 (PAC-SC51KUA) Group 1 Group 2 Group 40 Indoor unit TB15...
  • Page 23 2. M-NET control DATA U5 2-4-3. System examples 2-4-3-11. LMAP LMAP can transmission for max. 50 indoor units; If system controller (SC) is used, DipSW1-2 at LMAP and DipSW2-1 at Outdoor unit should set to "ON". Change Jumper from CN41 to CN40 to activate power supply to LMAP itself for those LMAP connected without system controller (SC).

  • Page 24: Piping Design

    The maximum operation pressure of R410A air conditioner is 4.30 MPa [623psi] . The refrigerant piping should ensure the safety under the maximum operation pressure. MITSUBISHI ELECTRIC recommends pipe size as T a ble 3-1, or You shall follow the local industrial standard.

  • Page 25: 3-2.Piping Design

    3. Piping Design DATA U5 3-2. Piping Design 3-2-1. PUHY-HP-72, 96THMU Piping Note1. No Joint after Header; Piping direct to Indoor Unit from Header; Note2. If the A/C system is designed to use Cooling-mode under Outside temperature 10°C [50°F], H'<=40m [131ft.]; Note3.
  • Page 26 3. Piping Design DATA U5 3-2-2. PUHY-HP144-192TSHMU Piping Note1. No Joint after Header; Piping direct to Indoor Unit from Header; Note2. If the A/C system is designed to use cooling-mode under outside temperature 10°C [50°F], H’<=40m [131ft]. Note3. As bents cause pressure loss on transportation of refrigerant, fewer bents design is better; Piping length needs to consider the actual length and equivalent length which bents are counted.

  • Page 27: 3-3.Refrigerant Charging Calculation

    3. Piping Design DATA U5 3-3. Refrigerant charging calculation At the time of shipping, the outdoor unit is charged with the refrigerant. As this charge does not include the amount needed for extended piping, additional charging for each refrigerant line will be required on site. In order that future servicing may be properly provided, always keep a record of the size and length of each refrigerant line and the amount of additional charge by writing it in the space provided on the outdoor unit.

  • Page 28: Outdoor Installation

    4. Outdoor Installation DATA U5 4-1. Requirement on installation site 4. Outdoor Installation 1. No direct thermal radiation to the unit. 2. No possibility of annoying the neighbors by the sound of the unit. 3. Avoid the sites where strong winds blow. 4.
  • Page 29 4. Outdoor Installation DATA U5 4-2. Spacing In case of single installation • Secure enough space around the unit as shown in the figure. : Front <A> : Top view Back Unit height <B> : Side view D : Air outlet guide (Procured at the site) <C>...
  • Page 30 4. Outdoor Installation DATA U5 In case of collective installation and continuous installation : Front : Wall height (H) Must be open • When multiple units are installed adjacent to each other, secure enough space to allow for air circulation and passageways between groups of units as shown in the figures.

  • Page 31: 4-3.Piping Direction

    4. Outdoor Installation DATA U5 4-3. Piping direction 4-3-1. Lifting method · When lifting the unit with ropes, run the ropes under the unit and use the lifting hole. · Support the unit at four points with two ropes, and avoid giving mechanical shock. ·...
  • Page 32 4. Outdoor Installation DATA U5 4-3-2. Installation · Secure the unit with anchor bolts as shown in the figure below so that the unit will not topple over with strong wind or dur- ing an earthquake. · Install the unit on a durable base made of such materials as concrete or angle steel. ·...
  • Page 33 4. Outdoor Installation DATA U5 4-3-4. Installation When the pipes and/or cables are 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.
  • Page 34 4. Outdoor Installation DATA U5 4-3-6. Twinning on the outdoor unit side The tilt angle of the twinning pipe The tilt angle of the twinning pipe must be within ±15° with the horizontal plane. Tilting the twinning pipe more than specified will cause damage to the unit. The length of the straight part of the pipe before the branching Note: See the following drawing for the fitting For the twinning kit, always use the accessory piping parts.
  • Page 35 4. Outdoor Installation DATA U5 4-3-7. Twinning on the outdoor unit side See the following drawing for connecting the pipes between the outdoor units. <PUHY-HP144, 192TSHMU-A> Field piping Twinning kit Field piping CAUTION The length of the straight pipe must be 500mm[19in.] or longer. If not, it may cause improper operation.

  • Page 36: 4-4.Weather Countermeasure

    4. Outdoor Installation DATA U5 4-4. Weather countermeasure • Snow hood Unit : mm[in] 906 [35-11/16] 750 [29-17/32] (920 [36-1/4]) (760) [29-15/16] (See Note 1) 760 [29-15/16] 453 [17-27/32] 453 [17-27/32] 910 [35-27/32] 453 [17-27/32] <Side view> <Front view> Outlet Inlet Note: 1.

  • Page 37: Caution For Refrigerant Leakage

    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, installation and air-tight testing after installation to avoid leakage happening.

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