Mitsubishi Electric City Multi R2 Series Installation Manual Download

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GB-59

WT08432X01

(2) EP models

Model

PURY-EP200YNW-A(-BS)

PURY-EP250YNW-A(-BS)

PURY-EP300YNW-A(-BS)

PURY-EP350YNW-A(-BS)

Unit combination

–

Refrigerant (R410A)

5.2 kg

8.0 kg

Allowable pressure (Ps)

HP: 4.15 MPa, LP: 2.21 MPa

Net weight

234 kg

236 kg

279 kg

Model

PURY-EP400YNW-A(-BS)

PURY-EP400YSNW-A(-BS)

PURY-EP450YNW-A(-BS)

PURY-EP450YSNW-A(-BS)

Unit combination

–

PURY-EP200YNW

-A(-BS)

PURY-EP200YNW

-A(-BS)

–

PURY-EP250YNW

-A(-BS)

PURY-EP200YNW

-A(-BS)

Refrigerant (R410A)

8.0 kg

5.2 kg

10.8 kg

5.2 kg

Allowable pressure (Ps)

HP: 4.15 MPa, LP: 2.21 MPa

Net weight

282 kg

234 kg

306 kg

234 kg

Model

PURY-EP500YNW-A(-BS)

PURY-EP500YSNW-A(-BS)

PURY-EP550YNW-A(-BS)

PURY-EP550YSNW-A(-BS)

Unit combination

–

PURY-EP250YNW

-A(-BS)

PURY-EP250YNW

-A(-BS)

–

PURY-EP300YNW

-A(-BS)

PURY-EP250YNW

-A(-BS)

Refrigerant (R410A)

10.8 kg

5.2 kg

10.8 kg

5.2 kg

Allowable pressure (Ps)

HP: 4.15 MPa, LP: 2.21 MPa

Net weight

345 kg

234 kg

345 kg

236 kg

234 kg

Model

PURY-EP600YSNW-A(-BS)

PURY-EP650YSNW-A(-BS)

PURY-EP700YSNW-A(-BS)

Unit combination

PURY-EP300YNW

-A(-BS)

PURY-EP300YNW

-A(-BS)

PURY-EP350YNW

-A(-BS)

PURY-EP300YNW

-A(-BS)

PURY-EP350YNW

-A(-BS)

PURY-EP350YNW

-A(-BS)

Refrigerant (R410A)

5.2 kg

8.0 kg

5.2 kg

8.0 kg

Allowable pressure (Ps)

HP: 4.15 MPa, LP: 2.21 MPa

Net weight

236 kg

279 kg

236 kg

279 kg

Model

PURY-EP750YSNW-A(-BS)

PURY-EP800YSNW-A(-BS)

PURY-EP850YSNW-A(-BS)

Unit combination

PURY-EP400YNW

-A(-BS)

PURY-EP350YNW

-A(-BS)

PURY-EP400YNW

-A(-BS)

PURY-EP400YNW

-A(-BS)

PURY-EP450YNW

-A(-BS)

PURY-EP400YNW

-A(-BS)

Refrigerant (R410A)

8.0 kg

10.8 kg

8.0 kg

Allowable pressure (Ps)

HP: 4.15 MPa, LP: 2.21 MPa

Net weight

282 kg

279 kg

282 kg

306 kg

282 kg

Model

PURY-EP900YSNW-A(-BS)

PURY-EP950YSNW-A(-BS)

PURY-EP1000YSNW-A(-BS)

Unit combination

PURY-EP450YNW

-A(-BS)

PURY-EP450YNW

-A(-BS)

PURY-EP500YNW

-A(-BS)

PURY-EP450YNW

-A(-BS)

PURY-EP500YNW

-A(-BS)

PURY-EP500YNW

-A(-BS)

Refrigerant (R410A)

10.8 kg

Allowable pressure (Ps)

HP: 4.15 MPa, LP: 2.21 MPa

Net weight

306 kg

345 kg

306 kg

345 kg

Model

PURY-EP1050YSNW-A(-BS)

PURY-EP1100YSNW-A(-BS)

Unit combination

PURY-EP550YNW

-A(-BS)

PURY-EP500YNW

-A(-BS)

PURY-EP550YNW

-A(-BS)

PURY-EP550YNW

-A(-BS)

Refrigerant (R410A)

10.8 kg

Allowable pressure (Ps)

HP: 4.15 MPa, LP: 2.21 MPa

Net weight

345 kg

Summary of Contents for City Multi R2 Series

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Page 3: ...ork 19 9 1 Restrictions 19 9 2 Pipe selection 22 9 3 Twinning kit selection 22 9 4 Pipe connection example 23 9 5 Piping connections and valve operations 28 9 6 Air tightness test 31 9 7 Thermal insulation for pipes 32 9 8 Evacuation of the system 34 9 9 Additional refrigerant charge 35 10 Electrical work 41 10 1 Before electrical work 41 10 2 Power cables and device capacity 41 10 3 Control cable...

Page 4: ...use of the wrong type of refrigerant Do not use the unit in an unusual environment If the unit is used in areas exposed to large amounts of oil steam organic solvents or corrosive gases such as ammonia sulfuric compounds or acids or areas where acidic alkaline solutions or special chemical sprays are used frequently it may significantly reduce the performance and corrode the internal parts resulti...

Page 5: ...cause serious injury Consult your dealer for the proper disposal of the unit The refrigerant oil and the refrigerant in the unit will pose a risk of environmental pollution fire or explosion Children should be supervised to ensure that they do not play with the appliance Do not operate the unit with the panels and guards removed Rotating hot or high voltage parts may cause injury electric shock or...

Page 6: ...installed on a structure that can sustain its weight Failure to do so will cause the unit to fall resulting in serious injury Seal all openings around pipes and wires to keep out small animals rainwater or snow Failure to do so may result in current leakage electric shock or damage to the unit 1 4 Precautions for piping work Before heating the brazed sections remove the gas and oil that are trappe...

Page 7: ...ch fuse that meets local electrical codes or overcurrent breaker Failure to do so may result in electric shock malfunction smoke or fire Only use standard power cables of sufficient capacity Failure to do so may result in current leakage overheating smoke or fire Proper grounding must be provided by qualified personnel Improper grounding may result in electric shock fire explosion or malfunction d...

Page 8: ...g in damage to furniture and other surroundings Take appropriate measures against electrical noise interference when installing the unit in hospitals or radio communication facilities Inverter high frequency medical or wireless communication equipment as well as power generators may cause the air conditioning system to malfunction The air conditioning system may also adversely affect the operation...

Page 9: ...orate and cause the compressor to malfunction Do not use existing refrigerant piping The old refrigerant and refrigerant oil in the existing piping contain a large amount of chlorine which will cause the refrigerant oil in the new unit to deteriorate and cause the compressor to malfunction Charge refrigerant in a liquid state Charging refrigerant in the gaseous state will change the composition of...

Page 10: ... following terms are used depending on the systems as shown in the table below R2 system Hybrid City Multi system Controllers that are connected to indoor units BC controller HBC controller Heating medium on the indoor unit side Refrigerant Water or antifreeze liquid CMB WP108V G can be connected to PURY WP200YJM A and PURY WP250YJM A but not to PURY P YNW A PURY EP YNW A models of units PURY P200...

Page 11: ... PURY P550YNW A BS PURY P550YNW A BS Twinning Kit is required to connect combination units on site 2 EP models Outdoor unit model Combination of outdoor units PURY EP200YNW A BS PURY EP250YNW A BS PURY EP300YNW A BS PURY EP350YNW A BS PURY EP400YNW A BS PURY EP400YSNW A BS PURY EP200YNW A BS PURY EP200YNW A BS PURY EP450YNW A BS PURY EP450YSNW A BS PURY EP200YNW A BS PURY EP250YNW A BS PURY EP500Y...

Page 12: ...ndoor W B 15 0 C to 24 0 C 59 0 F to 75 0 F Outdoor D B 5 0 C to 52 0 C 23 0 F to 125 6 F Temperature range Heating Indoor D B 15 0 C to 27 0 C 59 0 F to 81 0 F Outdoor W B 20 0 C to 15 5 C 4 0 F to 60 0 F Model PURY P650YSNW A PURY P700YSNW A PURY P750YSNW A PURY P800YSNW A PURY P850YSNW A Sound pressure level 4 50 60 Hz 65 dB A 65 5 dB A 67 dB A 68 dB A 68 5 dB A External static pressure 0 Pa 2 ...

Page 13: ... W B 15 0 C to 24 0 C 59 0 F to 75 0 F Outdoor D B 5 0 C to 52 0 C 23 0 F to 125 6 F Temperature range Heating Indoor D B 15 0 C to 27 0 C 59 0 F to 81 0 F Outdoor W B 20 0 C to 15 5 C 4 0 F to 60 0 F Model PURY EP650YSNW A PURY EP700YSNW A PURY EP750YSNW A PURY EP800YSNW A PURY EP850YSNW A Sound pressure level 4 50 60 Hz 65 dB A 65 5 dB A 67 dB A 68 dB A 68 5 dB A External static pressure 0 Pa 2 ...

Page 14: ...e table below lists all the parts and their quantities included in the package 1 P models Tie band P200 2 P250 2 P300 2 P350 2 P400 2 P450 2 P500 2 P550 2 2 EP models Tie band EP200 2 EP250 2 EP300 2 EP350 2 EP400 2 EP450 2 EP500 2 EP550 2 ...

Page 15: ...nit from being scratched Put 50 mm 2 in or thicker protective pads between slings and the unit where the slings touch the unit at the top of the unit to protect the unit from being scratched and to avoid contact with the slings and the fan guard Make sure that the angles between slings at the top are less than 40 degrees P200 P250 P300 EP200 EP250 EP300 P350 P400 P450 EP350 EP400 EP450 Ⓐ Ⓔ Ⓑ Ⓒ Ⓓ Ⓐ...

Page 16: ...t or lower than the overall height of the unit Required minimum distance mm in L1 Front L2 Rear L3 Right Left When the distance behind the unit L2 needs to be small 450 17 3 4 100 3 15 16 50 2 When the distance to the right or left L3 needs to be small 450 17 3 4 300 11 13 16 15 5 8 2 When one or more walls exceed their height limits When the wall s at the front and or the right left exceed s thei...

Page 17: ...e amount of drain water is excessive drain water comes out of the outdoor unit along the panel during heating operation 1 Side by side installation When the distances between the units L4 need to be small When the distance behind the block of units L2 needs to be small h2 L2 L1 h1 L4 Ⓐ Ⓐ h2 h1 L1 L2 L4 Ⓐ Ⓐ Required minimum distance mm in L1 Front L2 Rear L4 Between 450 17 3 4 h1 300 11 13 16 h2 30...

Page 18: ... L2 Ⓐ Ⓐ Required minimum distance mm in L2 Rear L2 Rear L4 Between 300 11 13 16 h2 300 11 13 16 h2 900 35 7 16 When there are two walls in an L shape h2 L2 L4 L3 Ⓐ Ⓐ h3 Required minimum distance mm in L2 Rear L3 Right Left L4 Between 300 11 13 16 h2 1000 39 3 8 h3 900 35 7 16 Ⓐ Leave open in two directions Unit height Unit height Unit height Unit height ...

Page 19: ...e outdoor unit by putting a rubber cushion or by applying an electrically insulated coating to prevent the base from rusting Install the unit on a level surface With some types of installation unit vibration and sound will be transmitted to the floors and walls In such locations take measures to prevent vibration such as using anti vibration rubber pads mm in 1 Without a detachable leg Ⓐ Ⓑ Ⓒ Ⓓ 2 W...

Page 20: ...ze Refer to the Data Book Ⓓ Ⓓ Ⓐ Ⓑ Ⓑ Ⓑ Ⓑ Ⓒ Ⓒ Ⓒ Ⓒ Ⓒ Ⓒ Ⓐ Outlet Ⓑ Inlet Ⓒ Snow hood Ⓓ Raised base Install the unit so that the wind will not blow directly against the inlet and outlet If necessary install the unit on a raised base of the following specifications not supplied to prevent damage from snow Material Angle iron Build a structure that snow and wind can pass through Height Expected maximum s...

Page 21: ...rant recovery equipment Gas leak detectors for conventional refrigerants will not react to a refrigerant that does not contain chlorine If the specified refrigerant is mixed with water refrigerant oil or another refrigerant the refrigerant oil will deteriorate and the compressor will malfunction Do not use existing refrigerant piping The old refrigerant and refrigerant oil in the existing piping c...

Page 22: ... 1 when Unit 2 is in operation and Unit 1 is stopped H Ⓐ Ⓐ H Ⓐ 3 The vertical separation between units H must be 0 1 m 3 15 16 in or below In the figure on the right because the distance is more than 0 1 m 3 15 16 in the oil accumulates in Unit 1 when Unit 2 is in operation and Unit 1 is stopped H Ⓐ H Ⓐ 4 The vertical separation between units H must be 0 1 m 3 15 16 in or below In the figure on th...

Page 23: ... and B must be installed horizontally and C must be installed upward higher than the horizontal plane of A and B If the length of the pipe between the branching point and the outdoor unit exceeds 2 m 6 ft provide a trap within 2 m 6 ft from the branching point The trap must be at least 200 mm 7 7 8 in in height gas pipe only If there is no trap oil can accumulate inside the pipe causing a shortage...

Page 24: ...f necessary to connect a refrigerant pipe to a twinning pipe of a different diameter 9 3 1 2 Branch Joint Pipe A 2 Branch Joint Pipe is used to connect multiple indoor units to a port 1 R2 system Total capacity of downstream indoor units Kit model 200 or below CMY Y102SS G2 201 to 250 CMY Y102LS G2 2 Hybrid City Multi system Connect the pipes on site referring to the HBC controller Installation Ma...

Page 25: ... EP1100YSNW A CMY R200VBK4 9 4 Pipe connection example 9 4 1 Example of pipe connection between outdoor units Ⓑ Ⓒ Ⓐ Ⓐ Ⓒ Ⓑ Ⓐ On site piping Ⓑ Twinning Kit Ⓒ The pipe section before the twinning pipe must have at least 500 mm 19 11 16 in of straight section PURY P200YNW A through PURY P500YNW A and PURY EP200YNW A through PURY EP500YNW A can be used in a Hybrid City Multi system Contact your dealer ...

Page 26: ...ipe Kit Ⓖ 2 Branch Joint Pipe Ⓗ Outdoor unit twinning kit Ⓘ High pressure pipe A A1 A2 Ⓙ Low pressure pipe A A1 A2 Ⓚ High pressure pipe C D E F G H I Ⓛ Low pressure pipe C D E F G H I Ⓜ Liquid pipe C D E F G H I Ⓝ Liquid pipe a b c d e f g h Ⓞ Gas pipe a b c d e f g h P400 to P1100YSNW A EP400 to EP1100YSNW A a a b b B B c d d A1 A1 A2 A A C C C D D E E E G G G I I I H H H F F F e e f f g g h h A2...

Page 27: ... 2 ø28 58 ø22 2 ø28 58 Pipes A A1 A2 in Unit model Combination unit Pipe A Pipe A1 1 Pipe A2 1 Unit 1 Unit 2 High pressure Low pressure High pressure Low pressure High pressure Low pressure P200YNW A ø5 8 ø3 4 P250YNW A ø3 4 ø7 8 P300YNW A ø3 4 ø7 8 P350YNW A ø3 4 ø1 1 8 P400YNW A ø7 8 ø1 1 8 P400YSNW A P200 P200 ø7 8 ø1 1 8 ø5 8 ø3 4 ø5 8 ø3 4 P450YNW A ø7 8 ø1 1 8 P450YSNW A P250 P200 ø7 8 ø1 1 ...

Page 28: ...2 ø28 58 ø22 2 ø28 58 Pipes A A1 A2 in Unit model Combination unit Pipe A Pipe A1 1 Pipe A2 1 Unit 1 Unit 2 High pressure Low pressure High pressure Low pressure High pressure Low pressure EP200YNW A ø5 8 ø3 4 EP250YNW A ø3 4 ø7 8 EP300YNW A ø3 4 ø7 8 EP350YNW A ø3 4 ø1 1 8 EP400YNW A ø7 8 ø1 1 8 EP400YSNW A EP200 EP200 ø7 8 ø1 1 8 ø5 8 ø3 4 ø5 8 ø3 4 EP450YNW A ø7 8 ø1 1 8 EP450YSNW A EP250 EP200...

Page 29: ... c d e f g h mm in Capacity index of indoor unit Pipe Liquid Gas 15 20 25 32 40 50 ø6 35 ø1 4 ø12 7 ø1 2 63 71 80 100 125 140 ø9 52 ø3 8 ø15 88 ø5 8 200 ø9 52 ø3 8 ø19 05 ø3 4 250 ø9 52 ø3 8 ø22 2 ø7 8 Pipes i j k l mm in Capacity index of indoor unit Liquid pipe Gas pipe i j k l 100 ø9 52 ø3 8 ø9 52 ø3 8 ø15 88 ø5 8 ø15 88 ø5 8 125 ø9 52 ø3 8 ø9 52 ø3 8 ø15 88 ø5 8 ø15 88 ø5 8 140 ø9 52 ø3 8 ø9 5...

Page 30: ...efrigerant pipes will cause the refrigerant oil to deteriorate and cause the compressor to malfunction 9 5 1 Removing the pinched connecting pipes The unit is shipped with the pinched connecting pipes attached to the high and low pressure side service valves to prevent gas leakage Take the following steps through to remove the pinched connecting pipes before connecting refrigerant pipes to the out...

Page 31: ...possible and make the bending radius as big as possible Do not use any commercially available anti oxidizing agents since they may cause pipe corrosion and degrading of the refrigerant oil Please contact Mitsubishi Electric for more details Make sure that the pipes are not in contact with each other unit panels or base plates Refer to the twinning kit Installation Manual for how to install the twi...

Page 32: ...ø7 8 EP450 EP500 EP550 ø22 2 ø7 8 1 ø28 58 ø1 1 8 2 1 For the length within 65 m 213 ft 2 For the length that exceeds 65 m 213 ft When expanding the on site piping satisfy the minimum insertion depth requirement as follows Pipe size mm in Minimum insertion depth mm in ø5 ø1 4 or more less than ø8 ø3 8 6 1 4 ø8 ø3 8 or more less than ø12 ø1 2 7 5 16 ø12 ø1 2 or more less than ø16 ø11 16 8 3 8 ø16 ø...

Page 33: ...rvice valves are closed Add pressure to the refrigerant pipes through the service ports of the high and low pressure pipes Pressurize to the design pressure 4 15 MPa using nitrogen gas If the pressure holds for one day and does not decrease the pipes have passed the test and there are no leaks If the pressure decreases there is a leak Look for the source of the leak by spraying a bubbling agent e ...

Page 34: ... ø6 35 ø1 4 ø25 4 ø1 ø28 58 ø1 1 8 ø41 28 ø1 5 8 Thickness mm in Min 10 7 16 Min 15 5 8 Heat resistance Min 120 C 248 F The insulation thickness may need to be increased in high temperature humidity conditions Even when specifications are defined by your client the standards in the table should be met Between an HBC controller and indoor unit Hybrid City Multi system Refer to the HBC controller In...

Page 35: ... limit zone or through a parting wall Ⓓ Ⓕ Ⓖ Ⓑ Ⓓ Ⓑ Ⓒ Ⓕ 1000 39 3 8 1000 39 3 8 Ⓐ Ⓗ Ⓘ Ⓐ Sleeve Ⓑ Insulation material Ⓒ Lagging Ⓓ Caulking material Ⓔ Band Ⓕ Waterproof layer Ⓖ Sleeve with a flange Ⓗ Caulk with a nonflammable material such as mortar Ⓘ Nonflammable insulation material When caulking the gaps with mortar cover the section of the pipe that goes through the wall with a metal sheet to preve...

Page 36: ...ystem to 533 Pa from both service ports using a vacuum pump Pressurize the system with dry nitrogen gas up to 0 Pa from the discharge service port Evacuate the system to 200 Pa from the suction service port using a vacuum pump Pressurize the system with dry nitrogen gas up to 0 Pa from the discharge service port Evacuate the system from both service ports using a vacuum pump After the vacuum reach...

Page 37: ...95 56 0 1976 EP550YNW 10 8 381 45 2 1595 56 0 1976 P550YSNW 10 4 367 60 6 2138 71 0 2505 EP550YSNW 10 4 367 53 6 1891 64 0 2258 P600YSNW 10 4 367 60 6 2138 71 0 2505 EP600YSNW 10 4 367 53 6 1891 64 0 2258 P650YSNW 13 2 466 65 6 2314 78 8 2780 EP650YSNW 13 2 466 59 8 2110 73 0 2576 P700YSNW 16 0 565 79 6 2808 95 6 3373 EP700YSNW 16 0 565 78 0 2751 94 0 3316 P750YSNW 16 0 565 79 6 2808 95 6 3373 EP7...

Page 38: ...or CMB P V HB1 When connecting LEV kit PAC LV11M J additional refrigerant charge may be required Contact your dealer for details When the piping length from the outdoor unit to the farthest indoor unit is longer than 30 5 m 100 ft Amount of additional charge kg High pressure pipe ø34 93 total length 0 52 kg m High pressure pipe ø28 58 total length 0 33 kg m High pressure pipe ø22 2 total length 0 ...

Page 39: ...52 5 m I ø9 52 5 m A1 ø19 05 3 m A2 ø19 05 1 m a ø9 52 10 m b ø9 52 5 m c ø6 35 5 m d ø6 35 10 m e ø6 35 5 m f ø9 52 5 m g ø9 52 5 m h ø9 52 5 m The total length of the high pressure piping and liquid piping in each case is as follows ø28 58 total length 40 A ø19 05 total length 3 A1 1 A2 4 ø9 52 total length 10 B 5 C 5 D 5 E 5 F 5 G 5 H 5 I 10 a 5 b 5 f 5 g 5 h 75 ø6 35 total length 5 c 10 d 5 e ...

Page 40: ... or CMB P V HB1 When connecting LEV kit PAC LV11M J additional refrigerant charge may be required Contact your dealer for details When the piping length from the outdoor unit to the farthest indoor unit is longer than 30 5 m 100 ft Amount of additional charge oz High pressure pipe ø1 3 8 total length 5 60 oz ft High pressure pipe ø1 1 8 total length 3 54 oz ft High pressure pipe ø7 8 total length ...

Page 41: ... I ø3 8 16 ft A1 ø3 4 9 ft A2 ø3 4 3 ft a ø3 8 32 ft b ø3 8 16 ft c ø1 4 16 ft d ø1 4 32 ft e ø1 4 16 ft f ø3 8 16 ft g ø3 8 16 ft h ø3 8 16 ft The total length of the high pressure piping and liquid piping in each case is as follows ø1 1 8 total length 131 A ø3 4 total length 9 A1 3 A2 12 ø3 8 total length 32 B 16 C 16 D 16 E 16 F 16 G 16 H 16 I 32 a 16 b 16 f 16 g 16 h 240 ø1 4 total length 16 c...

Page 42: ... the refrigerant into the atmosphere Refer to the table below for the appropriate tightening torque Pipe size mm in Shaft cap N m Shaft N m Size of hexagonal wrench mm in Service port cap N m ø22 2 ø7 8 22 16 ø28 58 ø1 1 8 22 16 If the refrigerant tank does not have a siphon pipe charge the liquid refrigerant with the tank upside down as shown in the figure below Ⓐ Ⓐ Siphon pipe After evacuation a...

Page 43: ...o the wiring regulations of the region Include some slack in the wiring for the control box on the indoor and outdoor units because these boxes are sometimes removed at the time of service work 10 2 Power cables and device capacity Include some slack in the power cables Failure to do so may break or overheat the cables resulting in smoke or fire Install an inverter circuit breaker on the power sup...

Page 44: ...w Minimum size mm2 AWG Earth leakage breaker Local switch A Overcurrent breaker NFB A Maximum allowable system impedance Power cable Power cable after branching point Earth wire Capacity Fuse Outdoor unit E P200 4 0 12 4 0 12 30 A 100 mA 0 1 sec or less 25 25 30 3 E P250 4 0 12 4 0 12 30 A 100 mA 0 1 sec or less 32 32 30 3 E P300 4 0 12 4 0 12 30 A 100 mA 0 1 sec or less 32 32 30 3 E P350 6 0 10 6...

Page 45: ...shall not be lighter than polychloroprene sheathed flexible cord design 60245 IEC57 For example use wiring such as YZW This unit is intended for the connection to a power supply system with a maximum permissible system impedance shown in the above table at the interface point power service box of the user s supply The user must ensure that this unit is connected only to a power supply system which...

Page 46: ...mote controller cable Type 2 core sheathed cable unshielded CVV Size 0 3 1 25 mm2 AWG 22 16 0 75 1 25 mm2 AWG 18 16 if a simple remote controller is connected Length Max 10 m 32 ft If the length exceeds 10 m 32 ft use a 1 25 mm2 AWG 16 shielded cable Max 200 m 656 ft 10 4 System configuration Unit code and the maximum number of connectable units Unit type Code Number of connectable units Outdoor u...

Page 47: ...d control transmission cable move the power jumper from CN41 to CN40 on only one of the outdoor units 2 If a system controller is used set SW5 1 on ALL of the outdoor units to ON 3 In an R2 system BC BS In a Hybrid City Multi system HB HS Maximum allowable length of control cables Transmission cables via outdoor units L1 L2 L3 L4 L1 L2 L3 L5 L1 L2 L6 P IW 4 Transmission cables L1 L3 L4 L3 L5 L6 L2...

Page 48: ...ansmission cable move the power jumper from CN41 to CN40 on only one of the outdoor units 2 If a system controller is used set SW5 1 on ALL of the outdoor units to ON 3 When a PAR 31MAA is connected to a group no other MA remote controllers can be connected to the same group 4 In an R2 system BC BS In a Hybrid City Multi system HB HS Maximum allowable length of control cables Transmission cables v...

Page 49: ...able 1 Daisy chain terminals TB3 on outdoor units together in the same refrigerant system 2 Leave the power jumper connected to CN41 Maximum allowable length of control cables Transmission cables L1 L2 L3 L4 L6 L7 L1 L2 L3 L4 L6 L8 L1 L2 L3 L5 L7 L6 L4 L5 L5 L4 L6 L8 P IW Remote controller cables Ɛ1 Ɛ2 P IW If the length exceeds 10 m 32 ft the length that exceeds 10 m 32 ft needs to be included in...

Page 50: ...r Use the appropriate knockout hole according to the size of the power cable referring to the table below 1 When routing the wiring through the front of the unit 2 When routing the wiring through the bottom of the unit Ⓑ Ⓒ Ⓐ Ⓒ Ⓐ Ⓑ Ⓓ Ⓔ Ⓔ Power cable size mm2 Knockout hole to be used 2 3 5 5 5 Knockout hole 2 8 14 Knockout hole 4 21 26 33 Knockout hole 3 84 67 53 Knockout hole 5 Ⓐ Cable strap Ⓑ Powe...

Page 51: ...h a suitable material to prevent snow from entering which may cause damage to the electrical parts and to protect your hands from direct contact with cables When putting the power cable through the knockout hole without using a conduit tube deburr the hole and protect the power cable with protective tape Use a conduit tube to narrow down the opening if there is a possibility of small animals enter...

Page 52: ...voltage Transmission cable not supplied The length of the section after the cable access hole must be at least 1100 mm 43 in Power supply terminal block Power cable not supplied Rubber bushing 2 Tie band Supplied Unit wiring sensor wiring Rubber bushing for FAN cable Rubber bushing for Fan cable and unit wiring solenoid coil wiring Cable strap Tie band Supplied Rubber bushing 1 Transmission termin...

Page 53: ...trol box 3 When tying the supplied tie band around the rubber bushing make sure to leave no gap between the ends Cables are coming out of the rubber bushing Wiring Cross sectional view Rubber bushing oval part Rubber bushing oval part Cut Top view Wiring Wiring Top view Rubber bushing Sheet metal on the control box Rubber bushing Sheet metal on the control box Rubber bushing Important When putting...

Page 54: ...ing the screw Make an alignment mark with a permanent marker across the screw head washer and terminal after tightening the screws Take the procedure below to connect the cables Connect the indoor outdoor transmission cable to TB3 If multiple outdoor units are connected to the same refrigerant system daisy chain TB3 M1 M2 earth on the outdoor units The indoor outdoor transmission cable to the indo...

Page 55: ...he address setting switch must be set to 50 51 to 100 BC controller HBC controller Main Assign an address that equals the address of the outdoor unit plus 1 If the address that is assigned to the main BC controller or the main HBC controller overlaps any of the addresses that are assigned to the outdoor units or to the sub BC controller or the Sub HBC use a different unused address within the sett...

Page 56: ...ant in the compressor By turning on the main power and energizing the unit for 12 hours or longer the refrigerant in the compressor will evaporate and the insulation resistance will rise Do not apply an ohmmeter voltage to the terminal block for transmission cables Doing so will damage the control board Do not measure the insulation resistance of the transmission terminal block of the unit remote ...

Page 57: ...ng timing OFF ON SW5 1 Centralized control switch Without connection to the centralized controller With connection to the centralized controller Before being energized SW5 2 Deletion of connection information Normal control Deletion Before being energized SW5 3 Preset before shipment SW5 4 SW5 5 SW5 6 SW5 7 SW5 8 Setting content Setting Switch setting timing OFF ON SW6 1 SW6 2 SW6 3 SW6 4 High sta...

Page 58: ...setting or refrigerant temperature when the thermostat is turned on The fan stops during heating operation Defrost The fan remains stopped during the defrost cycle The fan keeps running after the unit has stopped No display After the unit has stopped during heating operation the fan operates for one minute to exhaust heat At the beginning of heating operation the fan cannot be manually set Stand B...

Page 59: ...unplug connectors check that the outdoor unit fan is not rotating and that the voltage is 20 VDC or below The capacitor may collect a charge and cause an electric shock when the outdoor unit fan rotates in windy conditions Refer to the wiring nameplate for details Reconnect the connectors RYFAN1 and RYFAN2 after servicing Unit components may be damaged after long use of the unit resulting in a per...

Page 60: ...0YNW A BS PURY P300YNW A BS PURY P350YNW A BS PURY P300YNW A BS PURY P350YNW A BS PURY P350YNW A BS Refrigerant R410A 5 2 kg 5 2 kg 8 0 kg 5 2 kg 8 0 kg 8 0 kg Allowable pressure Ps HP 4 15 MPa LP 2 21 MPa Net weight 231 kg 231 kg 273 kg 231 kg 273 kg 273 kg Model PURY P750YSNW A BS PURY P800YSNW A BS PURY P850YSNW A BS Unit combination PURY P400YNW A BS PURY P350YNW A BS PURY P400YNW A BS PURY P4...

Page 61: ... EP300YNW A BS PURY EP350YNW A BS PURY EP300YNW A BS PURY EP350YNW A BS PURY EP350YNW A BS Refrigerant R410A 5 2 kg 5 2 kg 8 0 kg 5 2 kg 8 0 kg 8 0 kg Allowable pressure Ps HP 4 15 MPa LP 2 21 MPa Net weight 236 kg 236 kg 279 kg 236 kg 279 kg 279 kg Model PURY EP750YSNW A BS PURY EP800YSNW A BS PURY EP850YSNW A BS Unit combination PURY EP400YNW A BS PURY EP350YNW A BS PURY EP400YNW A BS PURY EP400...

Page 62: ...GB 60 WT08432X01 ...

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Mitsubishi Electric City Multi R2 Series, Installation Manual

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Summary of Contents for City Multi R2 Series

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