User manual TOSHIBA MM-A0224HX DATA BOOK

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[. . . ] Modular Multi VRF System Applications Manual MMS-04AE-07-03 Contents General Information Indoor Units ­ General 4-Way Cassette 2-Way Cassette Duct Slim Duct Ceiling High Wall Chassis Low Wall Capacity Correction Outdoor Units Piping Design Controls Electrical Wiring Selection Example Commissioning Procedure Page Chapter 5 15 19 29 33 37 41 45 49 53 57 71 85 98 113 120 132 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 4 General Information Introduction 1 1 With the new Modular Multi System (MMS), Toshiba once again demonstrate that we are in touch with tomorrow. The design team looked to the future to develop a highly efficient, environmentally friendly system, with state of the art controls. Linking the precision performance of their leading inverter technology with the functionality of fixed speed units, Toshiba have created a range of systems from 22. 4 to 128. 8 kW (8 to 46 hp). The inverter unit adjusts performance to match the desired output as each fixed speed unit operates as needed. [. . . ] · Side Access ­ see diagram. Front Access Side Access Fork lift Fork lift/ Hand Truck Fixing Leg Crane · Check the suitability of the lifting rope (see table). · · Secure lifting rope through transportation slot. Protect the unit where rope contact could scratch or deform it. Protection Model Number Heat Pump MM-A0280HT MM-A0224HT MM-A0280HX MM-A0224HX MM-A0160HX Cooling Only MM-A0280CT MM-A0224CT MM-A0280CX MM-A0224CX MM-A0160CX Weight 284 kg 282 kg 280 kg 278 kg 204 kg Rope Protection Transportation Slots 84 Refrigerant Piping Design The versatility of the Modular Multi system means that virtually any imaginable configuration of Refnex branch and header kits can be utilised in an application to give the shortest, most cost effective piping installation: Free Branching System The following five branching systems are available to increase the flexibility of refrigerant piping design. Line branching system Outdoor units Branching joint Indoor units Remote controller Header branching system Outdoor units Branching header Indoor units Remote controller Header branching system after line branching Outdoor units Branching joint Branching header Indoor units Remote controller 13 Line branching system after header branching Outdoor units Branching header Header branching system after header branching Remote controller Branching joint Indoor units 85 Refrigerant Piping Design A typical installation, showing the versatility available with Modular Multi: Line Branching System Header Branching System Max drop of 30m Max drop Max. 50 m Header Branching System after Line Branching Line Branching System after HeaderBranching Header Branching System after Header Branching 86 Refrigerant Piping Design Length/Height Difference of Refrigerant Piping All connections to both outdoor and indoor units are flared ­ except the gas connections to the outdoor units, which are brazed. Oil traps are not required. Fixed-speed Unit n <Ex. 1> Fixedspeed Unit 1 Fixedspeed Unit 2 <Ex. 2> Fixedspeed Unit 1 Fixedspeed Unit 2 (d) Height difference between Outdoor Units H3 4 m Inverter Unit Outdoor Unit (a) La Fixedspeed Unit 1 Fixedspeed Unit 2 (b) Lb LA (c) Lc LB Connecting piping of Outdoor Unit Ld Inverter Unit Inverter Unit T-shape branching joint Main connecting piping between Outdoor Units Length corresponded to farthest piping between Outdoor Units LO 20 m Valve for additional Units Valve for additional Units Height difference between Outdoor Units H1 50 m Main piping L1 L1 Branching piping Branching header L2 L7 c Note: In <Ex. 2>, a large amount of refrigerant and oil may return to the Inverter Unit. Therefore, set the T-shape joint so that oil does not enter directly. Connecting piping of Indoor Unit 1st branching section a b d e L3 Indoor Unit Length corresponded to farthest piping L 125 m Length corresponded to farthest piping after 1st branching L 50 m L4 f g L5 h L6 Y-joint i j Height difference between Indoor Units H2 30 m Indoor Unit System Restrictions Notes: Combination of Outdoor Units: Inverter Unit + Fixed-speed Unit (0 to 4 units). Combination of Fixed-speed Units without Inverter Unit is not permissible. The Inverter Unit is the master Outdoor Unit and is directly connected to the indoor distribution pipe. Max. cooling capacity of combined outdoor units Max. capacity of combined indoor units H2 15 H2 >15 5 units 128. 8 kW/46 hp 40 units 135% 105% Install the Outdoor Units in order of capacity. (Inverter Unit Fixed-speed Unit 1 Fixed-speed Unit 2 Fixed-speed Unit 3 Fixed-speed Unit 4). Allowable value Total extension of pipe (Liquid pipe, real length) Farthest piping length L (*) Real length Piping length Equivalent length Equivalent length of farthest piping from 1st branching Li* Equivalent length of farthest piping between outdoor units LO* Equivalent length of main piping Max. equivalent length of outdoor unit connecting piping Height between indoor Height difference and outdoor units H1 Upper outdoor unit Lower outdoor unit 250 m 100 m 125 m 50 m 20 m 70 m 10 m 50 m 30 m 30 m 4m L3 + L4 + L5 + L6 + j LA + LB + Ld, LA + Lb, LA + LB + Lc L1 Ld, La, Lb, Lc -- -- -- -- Piping section LA + LB + La + Lb + Lc + Ld + L1 + L2 + L3 + L4+ L5 + L6 + L7 + a + b + c + d + e + f + g + h + i + j LA + LB + Ld + L1 + L3 + L4 + L5 + L6 + j 13 Height between indoor units H2 Height between outdoor units H3 * (d) is Outdoor Unit farthest from branching and (j) is Indoor Unit farthest from 1st branching. 87 Refrigerant Piping Design Pipe Sizes Outdoor Piping: This includes all piping from the outdoor units, between the outdoor units (using Refnex RBC T129 Tee-Piece kit(s)) and main piping up to and including the first Refnex branch, or header kit. Where the outdoor unit capacity code exceeds 25 (25 hp), the first joint must be a Y joint. These pipe sizes are fixed and are solely dependent on the outdoor unit selected in chapter 4 as follows: All oil balancing piping, ø 9. 5 mm (3/8") SYSTEM PART NUMBER COOLING ONLY MM-A0224CT MM-A0280CT MM-A0384CT MM-A0448CT MM-A0504CT MM-A0560CT MM-A0608CT MM-A0672CT MM-A0728CT MM-A0784CT MM-A0840CT MM-A0896CT MM-A0952CT MM-A1008CT MM-A1064CT MM-A1120CT MM-A1176CT MM-A1232CT MM-A1288CT HEAT PUMP MM-A0224HT MM-A0280HT MM-A0384HT MM-A0448HT MM-A0504HT MM-A0560HT MM-A0608HT MM-A0672HT MM-A0728HT MM-A0784HT MM-A0840HT MM-A0896HT MM-A0952HT MM-A1008HT MM-A1064HT MM-A1120HT MM-A1176HT MM-A1232HT MM-A1288HT SYSTEM CAPACITY Code COOLING HEATING hp kW kW 8 10 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 22. 4 28. 0 38. 4 44. 8 50. 4 56. 0 60. 8 67. 2 72. 8 78. 4 84. 0 89. 6 95. 2 100. 8 106. 4 112. 0 117. 6 123. 2 128. 8 25. 0 31. 5 43. 0 50. 0 56. 5 63. 0 68. 0 75. 0 81. 5 88. 0 94. 5 100. 0 106. 5 113. 0 119. 5 126. 0 131. 5 138. 0 144. 5 T-Kits First Branch/Header Kit Options 4-Way Header 8-Way Header MAIN PIPE* Gas/Liquid mm 22. 2 12. 7 28. 6 12. 7 34. 9 15. 9 34. 9 15. 9 34. 9 15. 9 41. 3 19. 0 41. 3 19. 0 41. 3 19. 0 41. 3 22. 2 41. 3 22. 2 41. 3 22. 2 54. 1 22. 2 54. 1 22. 2 54. 1 22. 2 54. 1 22. 2 54. 1 22. 2 54. 1 22. 2 54. 1 22. 2 54. 1 22. 2 Gas/Liquid inches 7/8 1 1/8 1 3/8 1 3/8 1 3/8 1 5/8 1 5/8 1 5/8 1 5/8 1 5/8 1 5/8 2 1/8 2 1/8 2 1/8 2 1/8 2 1/8 2 1/8 2 1/8 2 1/8 1/2 1/2 5/8 5/8 5/8 3/4 3/4 3/4 7/8 7/8 7/8 7/8 7/8 7/8 7/8 7/8 7/8 7/8 7/8 RBM-T129 Branch Required Kit 0 0 1 1 1 1 2 2 2 2 2 3 3 3 3 3 4 4 4 RBM-Y037 RBM-Y037 RBM-Y071 RBM-Y071 RBM-Y071 RBM-Y071 RBM-Y071 RBM-Y071 RBM-Y129 RBM-Y129 RBM-Y129 RBM-Y129 RBM-Y129 RBM-Y129 RBM-Y129 RBM-Y129 RBM-Y129 RBM-Y129 RBM-Y129 RBM-H4037 RBM-H8037 RBM-H4037 RBM-H8037 RBM-H4071 RBM-H8071 RBM-H4071 RBM-H8071 RBM-H4071 RBM-H8071 RBM-H4071 RBM-H8071 RBM-H4071 RBM-H8071 RBM-H4071 RBM-H8071 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A * including P1-2, P2-3, P3-4 Pipe sizes ­ Piping from Main Pipe to Each Individual Outdoor Unit Outdoor Unit Part Number Cooling MM-A0160CX MM-A0224CT/CX MM-A0280CT/CX Heat Pump MM-A0160HX MM-A0224HT/HX MM-A0280HT/HX Outdoor Unit Capacity Code hp 6 8 10 Cooling kW 16. 0 22. 4 28. 0 Heating kW 18. 0 25. 0 31. 5 PINV PF1, PF2 PF3 PF4 Gas mm ø 22. 2 ø 22. 2 ø 28. 6 in 7/8 7/8 1-1/8 Liquid mm ø 9. 5 ø 12. 7 ø 12. 7 in 3/8 1/2 1/2 88 Refrigerant Piping Design Pipe Sizes Pipe Sizes - First Joint to Indoor Unit Pipe Sizes Between Branch Sections - IP1 < 4 hp Downstream 15. 9 mm (5/8") Ø OD 4 < 6. 4 hp Downstream 19. 0 mm (3/4") Ø OD 6. 4 < 13. 2 hp Downstream 22. 2 mm (7/8") Ø OD Vapour or Gas 13. 2 < 19. 2 hp Downstream 34. 9 mm (1 3/8") Ø OD 19. 2 < 25. 2 hp Downstream 41. 3 mm (1 5/8") Ø OD 25. 2 < 31. 2 hp Downstream 41. 3 mm (1 5/8") Ø OD > or = 31. 2 hp Downstream 54. 1 mm (2 1/8") Ø OD < 4 hp Downstream 9. 5 mm (3/8") Ø OD 4 < 6. 4 hp Downstream 9. 5 mm (3/8") Ø OD 6. 4 < 13. 2 hp Downstream 12. 7 mm (1/2") Ø OD Liquid 13. 2 < 19. 2 hp Downstream 15. 9 mm (5/8") Ø OD 19. 2 < 25. 2 hp Downstream 19. 0 mm (3/4") Ø OD 25. 2 < 31. 2 hp Downstream 19. 0 mm (3/4") Ø OD > or = 31. 2 hp Downstream 22. 2 mm (7/8") Ø OD 6. 4 mm (1/4") Ø OD MM-XX028 (1 hp) 6. 4 mm (1/4") Ø OD MM-XX042 (1. 5 hp) 6. 4 mm (1/4") Ø OD MM-XX056 (2 hp) 9. 5 mm (3/8") Ø OD MM-XX080 (3 hp) 9. 5 mm (3/8") Ø OD MM-XX112 (4 hp) 9. 5 mm (3/8") Ø OD MM-XX140 (5 hp) 12. 7 mm (1/2") Ø OD MM-XX028 (1 hp) 12. 7 mm (1/2") Ø OD MM-XX042 (1. 5 hp) 12. 7 mm (1/2") Ø OD MM-XX056 (2 hp) 15. 9 mm (5/8") Ø OD MM-XX080 (3 hp) 19. 0 mm (3/4") Ø OD MM-XX112 (4 hp) 19. 0 mm (3/4") Ø OD MM-XX140 (5 hp) *Branch Pipes - IP2 First Joint First Joint MAIN PIPE TO OUTDOOR UNITS IP1 IP1 Header Branch Header Branch IP1 IP1 IP2 IP2 IP1 IP2 IP2 IP2 IP2 IP2 IP2 IP2 IP2 IP1 Indoor Units Indoor IP1 IP1 IP1 IP1 IP1 IP1 Units IP2 IP2 IP2 IP2 IP2 IP2 IP2 IP2 IP2 IP2 13 Indoor Units Indoor Units 89 Refrigerant Piping Design Pipe Sizes Indoor Piping This includes piping from the first branch, or header kit to all other Refnex branch, or header kits and from these to all the indoor units. The indoor piping can be made up from a combination of Y joints and headers (4 and 8-way). Branch kits can be used in any part of the system and are available in 4 sizes. They are commonly used throughout a system. If more convenient, header kits (4 or 8-way, 2 sizes for each) may be used. Branch and header kits can be used after header kits. The connections to all Y joints and headers are stepped. Accordingly, each connection must be cut to provide the appropriate connection size. Note 1 Pipe sizes and Refnex branch/header kits for indoor piping are determined by the selected capacity code (hp) of the associated indoor units. This means that consideration must be given to all capacity code settings ­ rated and de rated. Note 2 If the total capacity code of the associated indoor units exceeds that of the outdoor unit, then the capacity code of the outdoor unit must be applied. This ensures that the pipe sizes will never "step-up" and you can never have a larger consecutive branch/header kit. Note 3 Please note that where any indoor pipe length (first branch/header to indoor unit) exceeds 30m, the gas pipe dedicated to that indoor unit must be increased by one size. Note 4 When using 4, or 8-way header kits, the total indoor unit capacity connected to any single header connection should not exceed capacity code 6 (6 hp). Selection of Refnex Branch and Header Kits Total Capacity Code (Hp) of Connected Indoor Units < 6. 4 Downstream 6. 4 < 13. 2 Downstream 13. 2 < 25. 2 Downstream 25. 2 Downstream Refnex Branch Kit Y Joint RBM-Y018 RBM-Y037 RBM-Y071 RBM-Y129 Refnex 4-way Header Kit RBM-H4037 RBM-H4037 RBM-H4071 N/A Refnex 8-way Header Kit RBM-H8037 RBM-H8037 RBM-H8071 N/A Insulation All piping will require insulation. The type and thickness will be dependent on the specific application and local standards. Long pipe runs and exposure to extreme conditions will require additional protection. Recommended minimum insulation wall thickness for typical applications: Liquid pipe Gas pipe 9 mm wall thickness 13 mm wall thickness 90 Refrigerant Piping Design Additional Refrigerant The outdoor units are pre-charged, however, additional refrigerant will be added ­ the weight required determined by the length of liquid pipes, in accordance with the table below. Pipe Length (m) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 Liquid Pipe Diameter (mm) Ø6. 4 0. 030 0. 060 0. 090 0. 120 0. 150 0. 180 0. 210 0. 240 0. 270 0. 300 0. 330 0. 360 0. 390 0. 420 0. 450 0. 480 0. 510 0. 540 0. 570 0. 600 0. 630 0. 660 0. 690 0. 720 0. 750 0. 780 0. 810 0. 840 0. 870 0. 900 0. 930 0. 960 0. 990 1. 020 1. 050 1. 080 1. 110 1. 140 1. 170 1. 200 1. 230 1. 260 1. 290 1. 320 1. 350 1. 380 1. 410 1. 440 1. 470 1. 500 1. 530 1. 560 1. 590 1. 620 1. 650 1. 680 1. 710 1. 740 1. 770 1. 800 Ø9. 5 0. 065 0. 130 0. 195 0. 260 0. 325 0. 390 0. 455 0. 520 0. 585 0. 650 0. 715 0. 780 0. 845 0. 910 0. 975 1. 040 1. 105 1. 170 1. 235 1. 300 1. 365 1. 430 1. 495 1. 560 1. 625 1. 690 1. 755 1. 820 1. 885 1. 950 2. 015 2. 080 2. 145 2. 210 2. 275 2. 340 2. 405 2. 470 2. 535 2. 600 2. 665 2. 730 2. 795 2. 860 2. 925 2. 990 3. 055 3. 120 3. 185 3. 250 3. 315 3. 380 3. 445 3. 510 3. 575 3. 640 3. 705 3. 770 3. 835 3. 900 Ø12. 7 0. 115 0. 230 0. 345 0. 460 0. 575 0. 690 0. 805 0. 920 1. 035 1. 150 1. 265 1. 380 1. 495 1. 610 1. 725 1. 840 1. 955 2. 070 2. 185 2. 300 2. 415 2. 530 2. 645 2. 760 2. 875 2. 990 3. 105 3. 220 3. 335 3. 450 3. 565 3. 680 3. 795 3. 910 4. 025 4. 140 4. 255 4. 370 4. 485 4. 600 4. 715 4. 830 4. 945 5. 060 5. 175 5. 290 5. 405 5. 520 5. 635 5. 750 5. 865 5. 980 6. 095 6. 210 6. 325 6. 440 6. 555 6. 670 6. 785 6. 900 Ø15. 9 0. 190 0. 380 0. 570 0. 760 0. 950 1. 140 1. 330 1. 520 1. 710 1. 900 2. 090 2. 280 2. 470 2. 660 2. 850 3. 040 3. 230 3. 420 3. 610 3. 800 3. 990 4. 180 4. 370 4. 560 4. 750 4. 940 5. 130 5. 320 5. 510 5. 700 5. 890 6. 080 6. 270 6. 460 6. 650 6. 840 7. 030 7. 220 7. 410 7. 600 7. 790 7. 980 8. 170 8. 360 8. 550 8. 740 8. 930 9. 120 9. 310 9. 500 9. 690 9. 880 10. 070 10. 260 10. 450 10. 640 10. 830 11. 020 11. 210 11. 400 Ø19. 0 0. 290 0. 580 0. 870 1. 160 1. 450 1. 740 2. 030 2. 320 2. 610 2. 900 3. 190 3. 480 3. 770 4. 060 4. 350 4. 640 4. 930 5. 220 5. 510 5. 800 6. 090 6. 380 6. 670 6. 960 7. 250 7. 540 7. 830 8. 120 8. 410 8. 700 8. 990 9. 280 9. 570 9. 860 10. 150 10. 440 10. 730 11. 020 11. 310 11. 600 11. 890 12. 180 12. 470 12. 760 13. 050 13. 340 13. 630 13. 920 14. 210 14. 500 14. 790 15. 080 15. 370 15. 660 15. 950 16. 240 16. 530 16. 820 17. 110 17. 400 Ø22. 2 0. 420 0. 840 1. 260 1. 680 2. 100 2. 520 2. 940 3. 360 3. 780 4. 200 4. 620 5. 040 5. 460 5. 880 6. 300 6. 720 7. 140 7. 560 7. 980 8. 400 8. 820 9. 240 9. 660 10. 080 10. 500 10. 920 11. 340 11. 760 12. 180 12. 600 13. 020 13. 440 13. 860 14. 280 14. 700 15. 120 15. 540 15. 960 16. 380 16. 800 17. 220 17. 640 18. 060 18. 480 18. 900 19. 320 19. 740 20. 160 20. 580 21. 000 21. 420 21. 840 22. 260 22. 680 21. 100 23. 520 23. 940 24. 360 24. 780 25. 200 13 91 Refrigerant Piping Design Installation instruction branching header/branching joint Model: Branching header RBM-H4037SK RBM-H8037SK RBM-H4071SK RBM-H8071SK Branching joint RBM-Y018SK RBM-Y037SK RBM-Y071SK RBM-Y129SK Please read "Precautions" described in the Installation Manual of the air conditioner. Check that all of the following parts are in the relevant package. For piping material and size of the refrigerant pipes, refer to the Installation Manual of the air conditioner. Parts Note: 1. In the following tables, ( ) indicates diameter of the indicated position, and others indicate the diameter of the connecting pipe. [. . . ] For system 3: The outdoor system selected is a MM-A0280HT (Code 10, Rated cooling capacity 28 kW) Corrected OU duty = 28 x 0. 92 = 25. 8 kW The total code of indoor units is 12 (Total duty = 31. 2) Overload =12/10 = 1. 2 (ratio of IU to OU codes) Corresponding Overload factor = 1. 08 Therefore Outdoor Unit will give 1. 08 x 25. 8 = 28 kW The Indoor units in total will now only be able to provide 28 kW The corresponding duty that one 5. 2 kW unit (5. 6 kW (rated) x 0. 92 (correction factor)) will provide is now (5. 2/31. 2) x 28 kW = 4. 7 kW 16 125 MMS Equipment Selection Example Step 5: Piping Design The next stage in the design process is to determine the piping layout, pipe sizes and all header and branch sizes and reference names. The proposed piping layout is shown below. The systems are then evaluated using the respective code settings of the indoor and outdoor units. Indoor units downstream of a header or branching joint are added together to determine that unit's capacity and the interconnecting pipework, while the main pipe and the 1st header/branch off it, is determined by the size of the outdoor unit. However, if the code of the indoor units exceeds that of the outdoor unit at any stage along the piping network, the pipework is determined by the size of the outdoor unit. The tables from chapter 13 must be used for the selection of header and branch units and piping selections. 126 MMS Equipment Selection Example The following are the mechanical schematics for the three systems above with all selected joints and pipework shown. 16 127 MMS Equipment Selection Example 120 16 MMS Equipment Selection Example 128 MMS Equipment Selection Example Step 6: Controls Selection Toshiba has a wide range of controls for numerous applications and is willing to work with customers to optimise designs for their special needs. [. . . ]

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