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R410A Commercial Air Conditioners Engineering Data TVR Connect Series 4TVH0249KE000AA 4TVH0086KE000AA 4TVH0096KE000AA 4TVH0268KE000AA 4TVH0115KE000AA 4TVH0290KE000AA 4TVH0140KE000AA 4TVH0307KE000AA 4TVH0155KE000AA 4TVH0324KE000AA 4TVH0170KE000AA 4TVH0344KE000AA 4TVH0192KE000AA 4TVH0362KE000AA 4TVH0210KE000AA 4TVH0229KE000AA 4TVH0382KE000AA...
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TVR CONNECT 380V 50/60Hz CONTENTS Part 1 General Information ................ 3 Part 2 Outdoor Unit Engineering Date ............ 21 Part 3 System Design and Installation ..........232...
TVR Connect 380V 50/60Hz 1 Indoor and Outdoor Unit Capacities 1.1 Indoor Units 1.1.1 Standard indoor units Table 1-1.1: Standard indoor unit abbreviation codes Abbreviation Abbreviation Type Type code code One-way Cassette High Static Pressure Duct Two-way Cassette Wall-mounted Compact Four-way Cassette Ceiling &...
TVR Connect 380V 50/60Hz 2 External Appearance 2.1 Indoor Units 2.1.1 Standard indoor units Table 1-2.1: Standard indoor unit appearance One-way Cassette Two-way Cassette Compact Four-way Cassette Four-way Cassette Arc Duct Medium Static Pressure Duct High Static Pressure Duct Floor Standing Wall-mounted Ceiling &...
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TVR Connect 380V 50/60Hz 2.3 Outdoor Units 2.3.1 Single units Table 1-2.4: Single outdoor unit appearance 8/10/12/14/16/18HP 20/22/24HP 26/28/30/32/34/36/38/40HP (with single fan) (with dual fans) (with dual fans) 2.3.2 Combinations of units Table 1-2.5: Combination outdoor unit appearance 42HP 44/46/48HP 50/52HP 54HP 56HP...
TVR Connect 380V 50/60Hz 4 Combination Ratio Sum of capacity indexes of the indoor units Combination ratio = Capacity index of the outdoor units Table 1-5.1: Indoor and outdoor unit combination ratio limitations Maximum combination ratio Minimum Type Fresh air processing Fresh air processing units and combination ratio Standard indoor units only...
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TVR Connect 380V 50/60Hz Table 1-5.2: Combinations of indoor and outdoor units Outdoor unit capacity Sum of capacity indexes of Sum of capacity indexes of connected indoor Maximum number of Capacity connected indoor units (standard units (fresh air processing units and standard connected indoor index indoor units only)
TVR Connect 380V 50/60Hz 5 Selection Procedure 5.1 Procedure Step 1: Establish design conditions Design temperature and humidity (indoor and outdoor) Required heat load of each room System peak load Piping length, level differences Indoor unit specifications (type and quantity) Step 2: Select indoor units Decide indoor unit safety factor Select indoor unit models ensuring that:...
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TVR Connect 380V 50/60Hz 5.2 Example The following is a selection example based on total heat load for cooling. Figure 1-6.1: Room plan Room H Room G Room A Room F Room B Room E Room C Room D Step 1: Establish design conditions ▪...
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TVR Connect 380V 50/60Hz Table 1-6.2: Extract from medium static pressure duct (T2) cooling capacity table Indoor air temperature Capacity 14°C WB 16°C WB 18°C WB 19°C WB 20°C WB 22°C WB 24°C WB Model index 20°C DB 23°C DB 26°C DB 27°C DB 28°C DB...
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TVR Connect 380V 50/60Hz Table 1-6.5: Extract from Table 1-5.2 Combinations of Indoor and outdoor units Outdoor unit capacity Sum of capacity indexes of Maximum number of Capacity connected indoor units (standard connected indoor index indoor units only) units 50.0 250 to 650 56.0 280 to 728...
TVR Connect 380V 50/60Hz 3 Installation Space Requirements For single unit installation For single row installation Figure 2-3.1: Single unit installation (unit: mm) Figure 2-3.2: Single row installation (unit: mm) >1000 >1000 100-500 >1000 >1000 >1000 >1000 Front 100-500 Front >1000 >1000 For multi-row installation...
TVR Connect 380V 50/60Hz Key components: 1. Oil separator: Separates oil from gas refrigerant pumped out of the compressor and quickly returns it to the compressor. Separation efficiency is up to 99%. 2. Gas-liquid separator: Separates liquid refrigerant from gas refrigerant, stores liquid refrigerant and oil to protect compressor from liquid hammering.
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TVR Connect 380V 50/60Hz Legend Code Name Code Name COMP A/ COMP B Compressor Heat exchanger temperature sensor EEVA/ EEVB/ EEVC Electronic expansion valve Outdoor ambient temperature sensor FAN A/ FAN B DC Fan Liquid pipe temperature sensor HEAT A/ HEAT B Compressor heater Microchannel heat exchanger inlet pipe temperature sensor RA/ RB...
TVR Connect 380V 50/60Hz 8.2 Heating Capacity Tables Table2-8.18:8HP heating capacity Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 19.02 4.51 18.65 4.66 18.29 4.81 18.10 4.92 17.92 4.82 17.56 4.50...
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TVR Connect 380V 50/60Hz Table2-8.18:8HP heating capacity(continued) Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 17.39 4.42 17.36 4.68 16.51 4.38 16.35 4.25 16.18 4.09 15.85 3.85 -25.0 -25.4 18.15 4.74...
Page 155
TVR Connect 380V 50/60Hz Table2-8.18:8HP heating capacity(continued) Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 15.84 4.20 15.07 3.83 14.77 3.64 14.63 3.60 14.48 3.55 14.18 3.68 -25.0 -25.4 16.47 4.63...
Page 156
TVR Connect 380V 50/60Hz Table2-8.18:8HP heating capacity(continued) Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 12.13 3.03 11.72 2.94 11.49 3.09 11.38 3.15 11.26 3.20 11.03 3.29 -25.0 -25.4 12.97 3.63...
Page 157
TVR Connect 380V 50/60Hz Table2-8.18:8HP heating capacity(continued) Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 9.13 2.69 8.89 2.72 8.65 2.79 8.49 2.79 8.32 2.78 7.88 2.72 -25.0 -25.4 9.40 2.79...
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TVR Connect 380V 50/60Hz Table2-8.19:10HP heating capacity Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 22.19 5.10 21.76 5.28 21.34 5.46 21.12 5.54 20.91 5.67 20.48 5.48 -25.0 -25.4 22.19 5.23...
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TVR Connect 380V 50/60Hz Table2-8.19:10HP heating capacity(continued) Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 20.04 4.90 19.65 5.08 19.42 5.31 19.07 5.25 18.88 5.04 18.50 4.79 -25.0 -25.4 20.83 5.23...
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TVR Connect 380V 50/60Hz Table2-8.19:10HP heating capacity(continued) Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 18.54 4.96 17.77 4.81 17.24 4.46 17.06 4.29 16.89 4.17 16.55 4.17 -25.0 -25.4 19.09 5.25...
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TVR Connect 380V 50/60Hz Table2-8.19:10HP heating capacity(continued) Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 14.37 3.60 13.81 3.53 13.41 3.40 13.27 3.45 13.14 3.58 12.87 3.75 -25.0 -25.4 15.20 4.34...
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TVR Connect 380V 50/60Hz Table2-8.19:10HP heating capacity(continued) Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 10.70 3.03 10.42 3.07 10.12 3.10 9.96 3.13 9.80 3.17 9.49 3.22 -25.0 -25.4 11.04 3.21...
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TVR Connect 380V 50/60Hz Table2-8.20:12HP heating capacity Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 26.42 5.61 25.91 5.76 25.40 5.90 25.15 5.99 24.89 5.92 24.38 5.76 -25.0 -25.4 26.42 5.69...
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TVR Connect 380V 50/60Hz Table2-8.20:12HP heating capacity(continued) Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 23.85 5.37 23.40 5.51 22.94 5.48 22.71 5.49 22.48 5.44 22.02 5.36 -25.0 -25.4 23.85 5.43...
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TVR Connect 380V 50/60Hz Table2-8.20:12HP heating capacity(continued) Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 21.34 5.09 20.93 5.08 20.52 5.08 20.31 5.00 20.11 4.96 19.70 4.99 -25.0 -25.4 21.34 5.18...
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TVR Connect 380V 50/60Hz Table2-8.20:12HP heating capacity(continued) Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 16.60 4.04 16.28 4.04 15.96 4.05 15.80 4.01 15.64 4.03 15.32 4.05 -25.0 -25.4 17.23 4.28...
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TVR Connect 380V 50/60Hz Table2-8.20:12HP heating capacity(continued) Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 12.26 3.17 11.63 3.02 11.40 3.06 11.29 3.08 11.17 3.51 10.94 11.26 -25.0 -25.4 12.68 3.30...
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TVR Connect 380V 50/60Hz Table2-8.21:14HP heating capacity Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 31.70 7.62 31.09 7.87 30.48 8.11 30.17 8.25 29.87 8.34 29.26 8.60 -25.0 -25.4 31.70 7.69...
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TVR Connect 380V 50/60Hz Table2-8.21:14HP heating capacity(continued) Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 28.63 7.26 28.07 7.49 27.52 7.73 27.25 7.83 26.97 7.96 26.42 8.18 -25.0 -25.4 28.63 7.31...
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TVR Connect 380V 50/60Hz Table2-8.21:14HP heating capacity(continued) Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 25.61 6.93 25.12 7.15 24.62 7.33 24.38 7.45 24.13 7.55 23.64 7.63 -25.0 -25.4 25.61 6.98...
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TVR Connect 380V 50/60Hz Table2-8.21:14HP heating capacity(continued) Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 20.57 6.07 20.27 6.30 19.87 6.37 19.15 6.00 18.77 5.74 18.39 5.68 -25.0 -25.4 21.20 6.34...
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TVR Connect 380V 50/60Hz Table2-8.21:14HP heating capacity(continued) Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 15.42 4.91 15.00 4.80 14.55 4.67 14.32 4.60 14.10 4.56 13.60 4.40 -25.0 -25.4 15.83 5.16...
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TVR Connect 380V 50/60Hz Table2-8.22:16HP heating capacity Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 35.22 8.16 34.54 8.43 33.87 8.67 33.53 8.81 33.19 8.92 32.51 9.21 -25.0 -25.4 35.22 8.22...
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TVR Connect 380V 50/60Hz Table2-8.22:16HP heating capacity(continued) Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 31.81 7.76 31.19 8.01 30.58 8.26 30.28 8.36 29.97 8.50 29.36 8.75 -25.0 -25.4 31.81 7.82...
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TVR Connect 380V 50/60Hz Table2-8.22:16HP heating capacity(continued) Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 28.45 7.41 27.91 7.64 27.36 7.85 27.09 7.98 26.81 8.09 26.27 8.15 -25.0 -25.4 28.45 7.47...
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TVR Connect 380V 50/60Hz Table2-8.22:16HP heating capacity(continued) Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 22.37 6.37 22.00 6.57 21.57 6.66 21.07 6.34 20.85 6.14 20.43 6.12 -25.0 -25.4 23.35 6.73...
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TVR Connect 380V 50/60Hz Table2-8.22:16HP heating capacity(continued) Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 17.00 5.19 16.53 5.09 16.02 4.95 15.77 4.87 15.51 4.82 14.78 4.59 -25.0 -25.4 17.47 5.48...
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TVR Connect 380V 50/60Hz Table2-8.23:18HP heating capacity Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 39.45 9.24 38.69 9.56 37.93 9.83 37.55 9.99 37.17 10.12 36.41 10.41 -25.0 -25.4 39.45 9.34...
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TVR Connect 380V 50/60Hz Table2-8.23:18HP heating capacity(continued) Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 35.62 8.79 34.94 9.09 34.25 9.38 33.91 9.48 33.57 9.58 32.88 9.88 -25.0 -25.4 35.62 8.88...
Page 180
TVR Connect 380V 50/60Hz Table2-8.23:18HP heating capacity(continued) Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 31.87 8.39 31.26 8.61 30.64 8.86 30.34 8.99 30.03 9.15 29.42 9.37 -25.0 -25.4 31.87 8.46...
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TVR Connect 380V 50/60Hz Table2-8.23:18HP heating capacity(continued) Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 25.06 7.15 24.64 7.37 24.63 7.73 24.47 7.86 23.63 7.54 22.88 7.36 -25.0 -25.4 26.17 7.56...
Page 182
TVR Connect 380V 50/60Hz Table2-8.23:18HP heating capacity(continued) Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 19.40 6.28 18.99 6.32 18.51 6.19 18.21 6.07 17.93 5.99 17.33 5.76 -25.0 -25.4 19.79 6.45...
Page 183
TVR Connect 380V 50/60Hz Table2-8.24:20HP heating capacity Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 44.38 10.23 43.52 10.57 42.67 10.91 42.24 11.10 41.82 11.30 40.96 11.63 -25.0 -25.4 44.38 10.40...
Page 184
TVR Connect 380V 50/60Hz Table2-8.24:20HP heating capacity(continued) Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 40.08 9.77 39.30 10.10 38.53 10.41 38.15 10.61 37.76 10.74 36.99 11.06 -25.0 -25.4 40.08 9.91...
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TVR Connect 380V 50/60Hz Table2-8.24:20HP heating capacity(continued) Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 35.85 9.31 35.16 9.60 34.47 9.92 34.13 10.09 33.78 10.25 33.09 10.54 -25.0 -25.4 35.85 9.45...
Page 186
TVR Connect 380V 50/60Hz Table2-8.24:20HP heating capacity(continued) Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 28.23 8.00 28.17 8.39 27.77 8.74 27.50 8.78 26.52 8.31 25.74 7.99 -25.0 -25.4 29.50 8.50...
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TVR Connect 380V 50/60Hz Table2-8.24:20HP heating capacity(continued) Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 22.16 7.15 21.59 7.04 21.00 6.90 20.70 6.84 20.38 6.73 19.75 6.51 -25.0 -25.4 22.57 7.37...
Page 188
TVR Connect 380V 50/60Hz Table2-8.25:22HP heating capacity Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 48.60 11.78 47.67 12.18 46.73 12.59 46.27 12.79 45.80 13.01 44.87 13.41 -25.0 -25.4 48.60 11.97...
Page 189
TVR Connect 380V 50/60Hz Table2-8.25:22HP heating capacity(continued) Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 43.89 11.21 43.05 11.62 42.20 11.99 41.78 12.21 41.36 12.36 40.52 12.75 -25.0 -25.4 43.89 11.39...
Page 190
TVR Connect 380V 50/60Hz Table2-8.25:22HP heating capacity(continued) Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 39.27 10.73 38.51 11.07 37.76 11.43 37.38 11.59 37.00 11.81 36.25 12.14 -25.0 -25.4 39.27 10.88...
Page 191
TVR Connect 380V 50/60Hz Table2-8.25:22HP heating capacity(continued) Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 30.92 9.22 30.86 9.66 30.42 10.06 30.12 10.10 29.05 9.57 28.19 9.21 -25.0 -25.4 32.31 9.80...
Page 192
TVR Connect 380V 50/60Hz Table2-8.25:22HP heating capacity(continued) Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 23.88 8.03 23.25 7.90 22.60 7.75 22.25 7.67 21.90 7.54 21.19 7.29 -25.0 -25.4 24.38 8.30...
Page 193
TVR Connect 380V 50/60Hz Table2-8.26:24HP heating capacity Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 52.83 12.91 51.81 13.36 50.80 13.80 50.29 14.02 49.78 14.27 48.77 14.71 -25.0 -25.4 52.83 13.13...
Page 194
TVR Connect 380V 50/60Hz Table2-8.26:24HP heating capacity(continued) Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 47.71 12.29 46.79 12.74 45.87 13.15 45.41 13.39 44.96 13.55 44.04 13.98 -25.0 -25.4 47.71 12.49...
Page 195
TVR Connect 380V 50/60Hz Table2-8.26:24HP heating capacity(continued) Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 42.68 11.76 41.86 12.13 41.04 12.53 40.63 12.71 40.22 12.94 39.40 13.31 -25.0 -25.4 42.68 11.93...
Page 196
TVR Connect 380V 50/60Hz Table2-8.26:24HP heating capacity(continued) Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 33.60 10.11 33.54 10.59 33.06 11.03 32.73 11.07 31.57 10.50 30.64 10.09 -25.0 -25.4 35.12 10.74...
Page 197
TVR Connect 380V 50/60Hz Table2-8.26:24HP heating capacity(continued) Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 25.54 9.11 24.84 8.96 24.12 8.77 23.74 8.68 23.35 8.53 22.56 8.24 -25.0 -25.4 26.12 9.43...
Page 198
TVR Connect 380V 50/60Hz Table2-8.27:26HP heating capacity Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 57.41 14.37 56.30 14.81 55.20 15.21 54.65 15.50 54.10 15.69 52.99 16.09 -25.0 -25.4 57.41 14.49...
Page 199
TVR Connect 380V 50/60Hz Table2-8.27:26HP heating capacity(continued) Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 51.84 13.68 50.85 14.11 49.85 14.52 49.35 14.71 48.85 14.92 47.86 15.28 -25.0 -25.4 51.84 13.78...
Page 200
TVR Connect 380V 50/60Hz Table2-8.27:26HP heating capacity(continued) Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 46.38 13.04 45.49 13.41 44.60 13.79 44.15 13.97 43.70 14.18 42.81 14.50 -25.0 -25.4 46.38 13.12...
Page 201
TVR Connect 380V 50/60Hz Table2-8.27:26HP heating capacity(continued) Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 36.07 11.01 35.75 11.41 35.15 11.75 35.38 12.10 34.43 11.94 33.30 11.48 -25.0 -25.4 37.86 11.65...
Page 202
TVR Connect 380V 50/60Hz Table2-8.27:26HP heating capacity(continued) Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 28.49 9.92 27.71 9.77 26.92 9.61 26.52 9.51 26.11 9.44 25.29 9.23 -25.0 -25.4 29.08 10.27...
Page 203
TVR Connect 380V 50/60Hz Table2-8.28:28HP heating capacity Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 61.64 16.54 60.45 17.05 59.26 17.56 58.67 17.83 58.08 18.06 56.89 18.54 -25.0 -25.4 61.64 16.69...
Page 204
TVR Connect 380V 50/60Hz Table2-8.28:28HP heating capacity(continued) Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 55.66 15.76 54.59 16.24 53.52 16.68 52.98 16.95 52.45 17.16 51.38 17.59 -25.0 -25.4 55.66 15.87...
Page 205
TVR Connect 380V 50/60Hz Table2-8.28:28HP heating capacity(continued) Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 49.80 14.98 48.84 15.47 47.88 15.87 47.40 16.09 46.92 16.32 45.96 16.69 -25.0 -25.4 49.80 15.09...
Page 206
TVR Connect 380V 50/60Hz Table2-8.28:28HP heating capacity(continued) Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 38.73 12.69 38.38 13.15 37.74 13.53 37.98 13.93 36.96 13.74 35.75 13.21 -25.0 -25.4 40.65 13.42...
Page 207
TVR Connect 380V 50/60Hz Table2-8.28:28HP heating capacity(continued) Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 30.19 11.17 29.35 10.99 28.49 10.81 28.05 10.69 27.60 10.60 26.71 10.36 -25.0 -25.4 30.87 11.58...
Page 208
TVR Connect 380V 50/60Hz Table2-8.29:30HP heating capacity Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 66.92 19.24 65.63 19.80 64.34 20.37 63.70 20.70 63.06 20.97 61.77 21.44 -25.0 -25.4 66.92 19.36...
Page 209
TVR Connect 380V 50/60Hz Table2-8.29:30HP heating capacity(continued) Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 60.43 18.29 59.27 18.77 58.11 19.34 57.53 19.57 56.94 19.84 55.78 20.32 -25.0 -25.4 60.43 18.39...
Page 210
TVR Connect 380V 50/60Hz Table2-8.29:30HP heating capacity(continued) Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 54.06 17.34 53.02 17.89 51.98 18.32 51.46 18.54 50.94 18.80 49.90 18.54 -25.0 -25.4 54.06 17.46...
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TVR Connect 380V 50/60Hz Table2-8.29:30HP heating capacity(continued) Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 42.64 14.84 42.64 15.52 40.92 15.23 40.03 14.99 39.62 14.97 38.81 14.90 -25.0 -25.4 44.62 15.68...
Page 212
TVR Connect 380V 50/60Hz Table2-8.29:30HP heating capacity(continued) Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 32.49 12.24 31.51 11.98 30.67 11.91 30.28 11.90 29.91 11.94 29.15 12.04 -25.0 -25.4 33.31 12.71...
Page 213
TVR Connect 380V 50/60Hz Table2-8.30:32HP heating capacity Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 70.44 20.64 69.09 21.24 67.73 21.87 67.05 22.11 66.38 22.40 65.02 23.01 -25.0 -25.4 70.44 20.78...
Page 214
TVR Connect 380V 50/60Hz Table2-8.30:32HP heating capacity(continued) Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 63.61 19.60 62.39 20.13 61.16 20.70 60.55 20.99 59.94 21.24 58.72 21.77 -25.0 -25.4 63.61 19.73...
Page 215
TVR Connect 380V 50/60Hz Table2-8.30:32HP heating capacity(continued) Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 56.91 18.62 55.81 19.17 54.72 19.67 54.17 19.91 53.63 20.15 52.53 19.95 -25.0 -25.4 56.91 18.74...
Page 216
TVR Connect 380V 50/60Hz Table2-8.30:32HP heating capacity(continued) Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 44.71 15.84 43.98 16.31 43.01 16.41 42.13 16.16 41.71 16.10 40.86 15.93 -25.0 -25.4 46.68 16.69...
Page 217
TVR Connect 380V 50/60Hz Table2-8.30:32HP heating capacity(continued) Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 34.11 13.11 33.07 12.80 32.06 12.59 31.65 12.58 31.23 12.61 30.43 12.71 -25.0 -25.4 34.99 13.63...
Page 218
TVR Connect 380V 50/60Hz Table2-8.31:34HP heating capacity Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 74.67 22.46 73.23 23.23 71.80 23.98 71.08 24.29 70.36 24.64 68.92 25.36 -25.0 -25.4 74.67 22.84...
Page 219
TVR Connect 380V 50/60Hz Table2-8.31:34HP heating capacity(continued) Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 67.43 21.42 66.13 22.10 64.83 22.71 64.19 23.09 63.54 23.40 62.24 24.07 -25.0 -25.4 67.43 21.72...
Page 220
TVR Connect 380V 50/60Hz Table2-8.31:34HP heating capacity(continued) Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 60.32 20.37 59.16 20.99 58.00 21.63 57.42 21.96 56.84 22.27 55.68 22.30 -25.0 -25.4 60.32 20.66...
Page 221
TVR Connect 380V 50/60Hz Table2-8.31:34HP heating capacity(continued) Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 48.47 17.77 47.81 18.39 47.02 18.86 46.10 18.47 44.67 17.90 43.31 17.03 -25.0 -25.4 49.95 18.61...
Page 222
TVR Connect 380V 50/60Hz Table2-8.31:34HP heating capacity(continued) Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 36.73 14.84 35.72 14.54 34.66 14.18 34.11 13.96 33.57 13.81 32.40 13.28 -25.0 -25.4 37.46 15.26...
Page 223
TVR Connect 380V 50/60Hz Table2-8.32:36HP heating capacity Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 78.89 24.26 77.38 25.03 75.86 25.85 75.10 26.18 74.34 26.57 72.82 27.30 -25.0 -25.4 78.89 24.61...
Page 224
TVR Connect 380V 50/60Hz Table2-8.32:36HP heating capacity(continued) Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 71.24 23.09 69.87 23.78 68.50 24.45 67.82 24.81 67.13 25.14 65.76 25.86 -25.0 -25.4 71.24 23.38...
Page 225
TVR Connect 380V 50/60Hz Table2-8.32:36HP heating capacity(continued) Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 63.74 21.97 62.51 22.59 61.29 23.26 60.67 23.54 60.06 23.91 58.83 23.49 -25.0 -25.4 63.74 22.21...
Page 226
TVR Connect 380V 50/60Hz Table2-8.32:36HP heating capacity(continued) Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 50.15 18.74 49.34 19.31 48.26 19.43 47.61 19.29 46.71 18.98 45.76 18.77 -25.0 -25.4 52.39 19.81...
Page 227
TVR Connect 380V 50/60Hz Table2-8.32:36HP heating capacity(continued) Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 38.40 15.48 37.35 15.20 36.56 15.40 36.17 15.47 35.63 15.35 34.42 14.94 -25.0 -25.4 39.31 16.08...
Page 228
TVR Connect 380V 50/60Hz Table2-8.33:38HP heating capacity Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 83.82 26.74 82.21 27.58 80.60 28.43 79.79 28.82 78.99 29.25 77.38 30.06 -25.0 -25.4 83.82 27.11...
Page 229
TVR Connect 380V 50/60Hz Table2-8.33:38HP heating capacity(continued) Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 75.70 25.43 74.24 26.20 72.79 26.94 72.06 27.33 71.33 27.68 69.87 28.45 -25.0 -25.4 75.70 25.74...
Page 230
TVR Connect 380V 50/60Hz Table2-8.33:38HP heating capacity(continued) Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 67.72 24.17 66.42 24.90 65.12 25.58 64.47 25.94 63.81 26.30 62.51 25.87 -25.0 -25.4 67.72 24.45...
Page 231
TVR Connect 380V 50/60Hz Table2-8.33:38HP heating capacity(continued) Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 53.28 20.61 52.42 21.24 51.28 21.39 50.59 21.23 49.63 20.89 48.62 20.68 -25.0 -25.4 55.66 21.80...
Page 232
TVR Connect 380V 50/60Hz Table2-8.33:38HP heating capacity(continued) Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 40.26 16.83 39.13 16.51 38.29 16.72 37.89 16.80 37.31 16.66 35.99 16.20 -25.0 -25.4 41.29 17.51...
Page 233
TVR Connect 380V 50/60Hz Table2-8.34:40HP heating capacity Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 86.99 28.80 85.32 29.72 83.65 30.61 82.81 31.05 81.98 31.47 80.30 32.36 -25.0 -25.4 86.99 29.20...
Page 234
TVR Connect 380V 50/60Hz Table2-8.34:40HP heating capacity(continued) Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 78.56 27.38 77.05 28.19 75.54 29.00 74.78 29.42 74.03 29.81 72.52 30.63 -25.0 -25.4 78.56 27.72...
Page 235
TVR Connect 380V 50/60Hz Table2-8.34:40HP heating capacity(continued) Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 70.28 26.03 68.93 26.81 67.58 27.56 66.90 27.95 66.23 28.33 64.88 27.87 -25.0 -25.4 70.28 26.33...
Page 236
TVR Connect 380V 50/60Hz Table2-8.34:40HP heating capacity(continued) Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 55.30 22.21 54.41 22.88 53.22 23.05 52.50 22.84 51.51 22.48 50.46 22.27 -25.0 -25.4 57.77 23.48...
Page 237
TVR Connect 380V 50/60Hz Table2-8.34:40HP heating capacity(continued) Indoor air temp. °C DB Outdoor 16.0 18.0 20.0 21.0 22.0 24.0 air temp. °C DB °C WB -30.0 -30.5 41.37 17.65 40.19 17.31 39.32 17.53 38.91 17.61 38.30 17.46 36.48 16.76 -25.0 -25.4 42.49 18.40...
Page 238
TVR Connect 380V 50/60Hz 8.3 Capacity Correction Factors for Piping Length and Level Difference Figure 2-8.1: Rate of change in cooling capacity 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 250 260 -100 -110 Figure 2-8.2: Rate of change in heating capacity...
Page 239
TVR Connect 380V 50/60Hz 8.4 Capacity Correction Factors for Frost Accumulation The heating capacity tables do not take account of the reduction in capacity when frost has accumulated or while the defrosting operation is in progress. If snow has accumulated against the outside surface of the outdoor unit heat exchanger heating capacity is reduced.
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TVR Connect 380V 50/60Hz 10.2 Octave Band Levels Figure 2-10.2: 8HP octave band level Figure 2-10.3: 10HP octave band level NC-70 NC-70 NC-60 NC-60 NC-50 NC-50 NC-40 NC-40 NC-30 NC-30 NC-20 NC-20 Octave band center frequency (Hz) Octave band center frequency (Hz) Figure 2-10.4: 12HP octave band level Figure 2-10.5: 14HP octave band level NC-70...
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TVR Connect 380V 50/60Hz Figure 2-10.8: 20HP octave band level Figure 2-10.9: 22HP octave band level NC-70 NC-70 NC-60 NC-60 NC-50 NC-50 NC-40 NC-40 NC-30 NC-30 NC-20 NC-20 Octave band center frequency (Hz) Octave band center frequency (Hz) Figure 2-10.10: 24HP octave band level Figure 2-10.11: 26HP octave band level NC-70 NC-70...
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TVR Connect 380V 50/60Hz Figure 2-10.14: 32HP octave band level Figure 2-10.15: 34HP octave band level NC-70 NC-60 NC-50 NC-40 NC-30 NC-20 Octave band center frequency (Hz) Octave band center frequency (Hz) Figure 2-10.14: 36HP octave band level Figure 2-10.15: 38HP octave band level NC-70 NC-70 NC-60...
TVR CONNECT 380V 50/60Hz Part 3 System Design and Installation 1 Preface to Part 3 ..................233 2 Unit Placement and Installation ............. 234 3 Outdoor Unit Ducting and Shielding ............238 4 Refrigerant Piping Design ............... 242 5 Refrigerant Piping Installation ..............253 6 Drain Piping ...................
1.1 Notes for Installers Boxes The information contained in this Engineering Data Book may primarily be of use during the system design stage of a Trane TVR CONNECT Series project. Additional important information which may primarily be of use during field installation has been placed in boxes, such as the example below, titled “Notes for installers”.
TVR CONNECT 380V 50/60Hz 2 Unit Placement and Installation 2.1 Outdoor Units 2.1.1 Placement considerations Placement of outdoor units should take account of the following considerations: ▪ Air conditioners should not be exposed to direct radiation from a high-temperature heat source. ▪...
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TVR CONNECT 380V 50/60Hz 2.1.3 Master and slave unit positioning In systems with multiple outdoor units, the units should be placed in order from largest capacity unit to smallest capacity unit. The largest capacity unit must be placed on the first branch, and be set as the master unit, while the others should be set as slave units.
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TVR CONNECT 380V 50/60Hz Figure 3-2.5: Outdoor unit typical concrete base structure design (unit: mm) Minimum Φ8 Expansion bolt width 100mm Drain size 100mmx20mm Depends on the positioning size of the unit Figure 3-2.6: Expansion bolt positioning Table 3-2.1: Expansion bolt spacings (unit: mm) Dimension 8-18HP 20-24HP...
TVR CONNECT 380V 50/60Hz Figure 3-2.7: Hoisting Figure 3-2.8: 8-18HP Center of gravity Sling belt REAR FRONT CENTER OF GRAVITY Figure 3-2.9: 20-40HP Center of gravity REAR CENTER OF FRONT GRAVITY Dimension 8-18HP 20-24HP 26-40HP 1340 1880 2.2 Indoor Units 2.2.1 Placement considerations Placement of indoor units should take account of the following considerations: ▪...
TVR CONNECT 380V 50/60Hz 3 Outdoor Unit Ducting and Shielding 3.1 Ducting Requirements Depending on the height of adjacent walls relative to the height of the units, ducting may be required to ensure proper air discharge. In the situation depicted in Figure 3-3.1, when the space over the unit is less than 1500mm, ducting is required to ensure proper air discharge.
TVR CONNECT 380V 50/60Hz 3.5 Fan Performance The default external static pressure of outdoor units’ air outlets is zero. With the steel mesh cover removed the external static pressure is 20Pa. Static pressure exceeds 20Pa needs to be customized. Figure 3-3.9: 8-12HP units fan performance Figure 3-3.10: 14-18HP units fan performance 120Pa 100Pa...
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TVR CONNECT 380V 50/60Hz Figure 3-3.11: 38-40HP units fan performance 120Pa 100Pa 80Pa 60Pa 40Pa 20Pa 22000(rated) 21400 21600 21800 22000 22200 22400 Air flow (m3/h) Notes for installers ▪ Before installing outdoor unit ducting, be sure to remove the unit’s steel mesh cover, otherwise airflow will be adversely affected.
TVR CONNECT 380V 50/60Hz 3.6 Snow Shielding In areas of high snowfall, snow shields should be installed on air inlets and outlets to prevent snow from entering the units. Additionally, the foundation or base height of ODU is required to be the expected maximum snowfall thickness h0 + 300mm, preventing the snow from exceeding the bottom of the unit.
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TVR CONNECT 380V 50/60Hz 4.3 Permitted Piping Lengths and Level Differences The piping length and level difference requirements that apply are summarized in Table 3-4.3 and are fully described as follows (refer to Figure 3-4.2): 1. Requirement 1: The total length of piping in one refrigerant system should not exceed 1100m. When calculating the total length of piping, the actual length of the indoor main pipes (the piping between the first indoor branch joint and all other indoor branch joints, L to L...
Page 258
TVR CONNECT 380V 50/60Hz Figure 3-4.2: Permitted refrigerant piping lengths and level differences Legend Main pipe to L Indoor main pipes a to k Indoor auxiliary pipes Figures in parentheses A to J Indoor branch joints indicate indoor unit capacity indexes. L, M Outdoor branch joints g1 to g3, G...
Page 259
TVR CONNECT 380V 50/60Hz 4.4 Selecting Piping Diameters Tables 3-4.5 to 3-4.9, below, specify the required pipe diameters for the indoor and outdoor piping. The main pipe (L ) and first indoor branch joint (A) should be sized according to 3-4.5. Figure 3-4.3: Selecting piping diameters Legend Main pipe...
Page 260
TVR CONNECT 380V 50/60Hz Table 3-4.6: Indoor main pipes (L to L ) and indoor branch joint kits Total capacity indexes of indoor units Gas pipe (mm) Liquid pipe (mm) Branch joint kit Capacity indexes < 168 Φ15.9 Φ9.52 TRDK056HP 168 ≤...
Page 261
TVR CONNECT 380V 50/60Hz Table 3-4.0: Outdoor branch joint kits (L to M) Table 3-4.10: Indoor auxiliary pipes (a to k) No. of Outdoor unit Capacity of indoor Branch joint kit Gas pipe (mm) Liquid pipe (mm) outdoor units capacity unit (kW) <...
Page 262
TVR CONNECT 380V 50/60Hz ▪ The indoor units (N1 to N5) downstream of indoor branch B have total capacity of 16 x 5=80kW. Refer to Table 3-4.6. Indoor main pipe L2 is Φ31.8/Φ19.1 Indoor branch joint B is TRDK225HP. ▪ The indoor units (N10 and N11) downstream of indoor branch J have total capacity of 5.6+2.8= 8.4 kW. Refer to Table 3-4.6.
Page 263
TVR CONNECT 380V 50/60Hz Table 3-4.9: Indoor branch joint dimensions (unit: mm) Model Gas side joints Liquid side joints TRDK056HP TRDK112HP TRDK225HP TRDK314HP TRDK768HP TRDK840HP Table continued on next page …...
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TVR CONNECT 380V 50/60Hz Table 3-4.9: Indoor branch joint dimensions (unit: mm) (continued) Model Gas side joints Liquid side joints TRDK918HP Table 3-4.10: Outdoor branch joint dimensions for 2 unit’s combination (unit: mm) Model Gas side joints Liquid side joints TODK02CNHPA TODK02CNHPB...
Page 265
TVR CONNECT 380V 50/60Hz Table 3-4.11: Outdoor branch joint dimensions for 3 unit’s combination (unit: mm) Model Gas side joints Liquid side joints TODK03CNHPA TODK03CNHPB...
Page 266
TVR CONNECT 380V 50/60Hz 4.7 Refrigerant Leakage Precautions R410A refrigerant is not flammable in air at temperatures up to 100°C at atmospheric pressure and is generally considered a safe substance to use in air conditioning systems. Nevertheless, precautions should be taken to avoid danger to life in the unlikely event of a major refrigerant leakage.
TVR CONNECT 380V 50/60Hz 5 Refrigerant Piping Installation 5.1 Procedure and Principles 5.1.1 Installation procedure Notes for installers Installation of the refrigerant piping system should proceed in the following order: Pipe Pipe brazing Pipe Gastightness Joint Vacuum drying insulation and installation flushing test...
Page 268
TVR CONNECT 380V 50/60Hz 5.2 Storing Copper Piping 5.2.1 Pipe delivery, storage and sealing Notes for installers ▪ Ensure that piping does not get bent or deformed during delivery or whilst stored. ▪ On construction sites store piping in a designated location. ▪...
Page 269
TVR CONNECT 380V 50/60Hz 5.3.3 Expanding copper piping ends Notes for installers ▪ Ends of copper piping can be expanded so that another length of piping can be inserted and the joint brazed. ▪ Insert the expanding head of the pipe expander into the pipe. After completing pipe expansion, rotate the copper pipe a few degrees to rectify the straight line mark left by the expanding head.
Page 270
TVR CONNECT 380V 50/60Hz 5.3.5 Bending piping Bending copper piping reduces the number of brazed joints required and can improve quality and save material. Notes for installers Piping bending methods ▪ Hand bending is suitable for thin copper piping (Ф6. 35mm - Ф12. 7mm). ▪...
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TVR CONNECT 380V 50/60Hz 5.5 Brazing Care must be taken to prevent oxide forming on the inside of copper piping during brazing. The presence of oxide in a refrigerant system adversely affects the operation of valves and compressors, potentially leading to low efficiency or even compressor failure.
Page 272
TVR CONNECT 380V 50/60Hz … box continued from previous page Piping orientation during brazing Brazing should be conducted downwards or horizontally to avoid filler leakage. Figure 3-5.6: Piping orientation during brazing Piping overlap during brazing Table 3-5.3 specifies the minimum permissible piping overlap and the range of permissible gap sizes for brazed joints on piping of different diameters.
Page 273
TVR CONNECT 380V 50/60Hz 5.6 Branch Joints Notes for installers ▪ Use U-shaped branch joints as specified on the Figure 3-5.8: Branch joint orientation construction drawings – do not replace U-shaped branch joints with tee joints. ▪ To avoid accumulation of oil in the outdoor units, outdoor branch joints should be installed horizontally and must not be higher than the outdoor unit refrigerant outlets.
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TVR CONNECT 380V 50/60Hz 5.7 Piping Connections between Outdoor Units The piping connecting the outdoor units should be horizontal and must not be higher than the refrigerant outlets. If necessary, to avoid obstacles the piping may be vertically offset below the outlets. When inserting a vertical offset to avoid an obstacle, the whole outdoor piping should be offset, rather than just the section adjacent to the obstacle.
Page 275
TVR CONNECT 380V 50/60Hz 5.8.2 Procedure Notes for installers Warning Only use nitrogen for flushing. Using carbon dioxide risks leaving condensation in the piping. Oxygen, air, refrigerant, flammable gases and toxic gases must not be used for flushing. Use of such gases may result in fire or explosion. Procedure The liquid and gas sides can be flushed simultaneously;...
TVR CONNECT 380V 50/60Hz 5.9 Gastightness Test 5.9.1 Purpose To prevent faults caused by refrigerant leakage, a gastightness test should be performed before system commissioning. 5.9.2 Procedure Notes for installers Warning Only dry nitrogen should be used for gastightness testing. Oxygen, air, flammable gases and toxic gases must not be used for gastightness testing.
TVR CONNECT 380V 50/60Hz 5.9.3 Leak detection Notes for installers The general methods for identifying the source of a leak are as follows: 1. Audio detection: relatively large leaks are audible. 2. Touch detection: place your hand at joints to feel for escaping gas. 3.
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TVR CONNECT 380V 50/60Hz 5.10.2 Procedure Notes for installers During vacuum drying, a vacuum pump is used to lower the pressure in the piping to the extent that any moisture present evaporates. At 5mmHg (755mmHg below typical atmospheric pressure) the boiling point of water is 0°C. Therefore a vacuum pump capable of maintaining a pressure of -756mmHg or lower should be used.
TVR CONNECT 380V 50/60Hz 6 Drain Piping 6.1 Design Considerations Drain piping design should take account of the following considerations: ▪ Indoor unit condensate drain piping needs to be of sufficient diameter to carry the volume of condensate produced at the indoor units and installed at a slope sufficient to allow drainage.
Page 280
TVR CONNECT 380V 50/60Hz Figure 3-6.5: Drain piping air vents Vent ▪ Air conditioner drain piping should be installed separately from waste, rainwater and other drain piping and should not come into direct contact with the ground. ▪ Drain piping diameter should be not less than the indoor units’ drain piping connection. ▪...
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TVR CONNECT 380V 50/60Hz Table 3-6.2: Vertical drain piping diameters Nominal PVC piping Capacity (L/h) Remarks diameter (mm) PVC25 Branch piping only PVC32 PVC40 PVC50 1440 PVC63 2760 Branch or main piping PVC75 5710 PVC90 8280 6.4 Drain Piping for Units with Lift Pumps Drain piping for units with lift pumps should take account of the following additional considerations: ▪...
TVR CONNECT 380V 50/60Hz Notes for installers Installation of the drain piping should proceed in the following order: Drain piping Watertightness Indoor unit installation Drain piping insulation installation test Caution ▪ Ensure that all joints are firm and once the drain piping is all connected conduct a watertightness test and water flow test.
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TVR CONNECT 380V 50/60Hz of insulation should be increased over and above the specifications in Table 3-7.1. Table 3-7.1: Refrigerant piping insulation thickness Pipe outer diameter Minimum insulation thickness (mm) Minimum insulation thickness (mm) (mm) Humidity < 80%RH Humidity ≥ 80%RH Ф6.35 Ф9.53 Ф12.7...
Page 284
TVR CONNECT 380V 50/60Hz 7.1.4 Installation of piping insulation With the exception of joint insulation, insulation should be applied to piping before fixing the piping in place. Insulation at joints in refrigerant piping should be applied after the gastightness test has been completed. ...
TVR CONNECT 380V 50/60Hz 8 Charging Refrigerant 8.1 Calculating Additional Refrigerant Charge The additional refrigerant charge required depends on the lengths and diameters of the outdoor and indoor liquid pipes. Table 3-8.1 shows the additional refrigerant charge required per meter of equivalent pipe length for different diameters of pipe.
TVR CONNECT 380V 50/60Hz 8.2 Adding Refrigerant Notes for installers Caution ▪ Only charge refrigerant after performing a gastightness test and vacuum drying. ▪ Never charge more refrigerant than required as doing so can lead to liquid hammering. ▪ Only use refrigerant R410A - charging with an unsuitable substance may cause explosions or accidents. ▪...
TVR CONNECT 380V 50/60Hz 9 Electrical Wiring 9.1 General Notes for installers Caution ▪ All installation and wiring must be carried out by competent and suitably qualified, certified and accredited professionals and in accordance with all applicable legislation. ▪ Electrical systems should be grounded in accordance with all applicable legislation. ▪...
TVR CONNECT 380V 50/60Hz 9.2 Power Supply Wiring Power supply wiring design and installation should adhere to the following requirements: ▪ Separate power supplies should be provided for the indoor units and outdoor units. ▪ Where five or more outdoor units are installed, additional residual current protection (leakage protection) should be installed as shown in Figure 3-9.1.
TVR CONNECT 380V 50/60Hz Notes for installers The 3-phase, 380-415V, 50 or 60Hz power supply should be connected to the outdoor unit power supply terminals as shown in Figure 3-9.4. Figure 3-9.4: Outdoor unit 3-phase power supply terminals 9.3 Communication Wiring Communication wiring design and installation should adhere to the following requirements: ▪...
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TVR CONNECT 380V 50/60Hz Figure 3-9.5: Communication wiring M1 M2 9.3.1 Outdoor units’ H1 H2 communication The outdoor unit’s combined system, and the communication lines between the ODUs must be connected in series. ▪ The H1 H2 communication wires should be connected one unit after another in a daisy chain from the master outdoor unit to the final slave outdoor unit.
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TVR CONNECT 380V 50/60Hz 9.3.3 Outdoor unit and indoor units’ P Q communication Communication wiring design and installation should adhere to the following requirements: ▪ 0.75mm2 two-core shielded cable should be used for communication wiring. Using other types of cable can lead to interference and malfunction.
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TVR CONNECT 380V 50/60Hz Communication wiring design and installation should adhere to the following requirements when IDUs separate power supplied. ▪ 1.5mm two-core cable should be used for communication wiring when the is indoor unit separate power supplied. ▪ All indoor units in the system are TVR CONNECT indoor units. ▪...
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TVR CONNECT 380V 50/60Hz Notes for installers The communication wires should be connected to the master outdoor unit terminals indicated in Figure 3-9.11 and Table 3-9.2. Caution ▪ Communication wiring has polarity. Care should be taken to connect the poles correctly. Figure 3-9.11: Master outdoor unit communication terminals Table 3-9.2: Communication connections Terminals...
TVR CONNECT 380V 50/60Hz 10 Installation in Areas of High Salinity 10.1 Caution Do not install outdoor units where they could be directly exposed to sea air. Corrosion, particularly on the condenser and evaporator fins, could cause product malfunction or inefficient performance. Outdoor units installed in seaside locations should be placed such as to avoid direct exposure to the sea air and additional anticorrosion treatment options should be selected, otherwise the service life of the outdoor units will be seriously affected.
0. If all IDUs in the system are TVR CONNECT series, and the RS-485 (P Q) communication function is required to be enabled, set the 4 digit of the master ODU digital display to 0.
TVR CONNECT 380V 50/60Hz 11.3 Pre-commissioning Checks Before turning on the power to the indoor and outdoor units, ensure the following: 1. All indoor and outdoor refrigeration piping and communication wiring has been connected to the correct refrigeration system and the system to which each indoor and outdoor unit belongs is clearly marked on each unit or recorded in some other suitable place.
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Once all the pre-commissioning checks in Part 3, 11.3 “Pre-commissioning Checks” have been completed, a test run should be performed as described below and a TVR CONNECT Series System Commissioning Report (see Part 3, 12 “Appendix to Part 3 – System Commissioning Report”) should be completed as a record of the operating status of the system during commissioning.
TVR CONNECT 380V 50/60Hz 12 Appendix to Part 3 – System Commissioning Report A total of up to 11 report sheets should be completed for each system: ▪ One Sheet A, one Sheet B and one Sheet C per system. ▪...
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TVR CONNECT 380V 50/60Hz TVR CONNECT Series System Commissioning Report – Sheet A SYSTEM INFORMATION Project name and location Customer company System name Installation company Commissioning date Agent company Commissioning Outdoor ambient temp. engineer L1-L2 L2-L3 L3-L1 Power supply (V)
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TVR CONNECT 380V 50/60Hz TVR CONNECT Series System Commissioning Report – Sheet B Project name and location System name OUTDOOR UNITS Master unit Slave unit 1 Slave unit 2 Compressor suction pipe temperature System pressure at check port Phase currents (A)
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TVR CONNECT 380V 50/60Hz TVR CONNECT Series System Commissioning Report – Sheet C Project name and location System name RECORD OF ISSUES SEEN DURING COMMISSIONING Serial no. of Description of observed issue Suspected cause Troubleshooting undertaken relevant unit OUTDOOR UNIT FINAL CHECKLIST...
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TVR CONNECT 380V 50/60Hz TVR CONNECT Series System Commissioning Report – Sheet D Project name and location System name Observed values DSP1 Cooling Heating Parameters displayed on DSP2 Remarks content mode mode --.-- "Standby (ODU address+ IDU number)/frequency/special status" Master unit: 0; slave units: 1, 2 0.--...
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TVR CONNECT 380V 50/60Hz Table continued on next page … TVR CONNECT Series System Commissioning Report – Sheet E Project name and location System name … table continued from previous page Observed values DSP1 Cooling Heating Parameters displayed on DSP2...
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