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RWEYQ28TYM is a Daikin outdoor unit in the VRV IV W series, water cooled type. Its rated cooling capacity is 78.4 kW according to catalogue PCVVN2507Aaprv.

Rated cooling capacity
78.4 kW
Power supply
3-phase 4-wire system, 380-415 V/380 V, 50/60 Hz
Dimensions (H×W×D)
(1,000 × 780 × 550) × 3 mm
Weight
146 + 147 × 2 (148 + 149 × 2) kg
Data extracted from the English catalogue; not all specifications have been manually verified. Check the source before use. Source & notes →
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RWEYQ28TYM specifications

RWEYQ28TYM specifications · PCVVN2507Aaprv
System configuration 1 specifications
Combination unitsRWEYQ8TYM / RWEYQ10TYM / RWEYQ10TYM
Rated capacity 4 specifications
Cooling capacity · Btu/h268,000
Cooling capacity · kW78.4
Heating capacity · Btu/h300,000
Heating capacity · kW88.0
Electrical & efficiency 6 specifications
Power supply3-phase 4-wire system, 380-415 V/380 V, 50/60 Hz
Power consumption · Cooling · kW14.7
Power consumption · Heating · kW15.2
Compressor · TypeHermetically sealed scroll type
Compressor · Motor output · kW2.8 + 3.7 × 2
Capacity control · %20-100
Airflow & sound 1 specifications
Sound level · dB(A)56
Dimensions & weight 3 specifications
Casing colourlvory white (5Y7.5/1)
Dimensions (H × W × D) · mm(1,000 × 780 × 550) × 3
Machine weight (Operating weight) · kg146 + 147 × 2 (148 + 149 × 2)
Piping & refrigerant 8 specifications
Refrigerant piping connections · Liquid · mm19.1 (Flare)
Refrigerant piping connections · Suction gas *1 · mm34.9 (Brazing)
Refrigerant piping connections · High and low pressure gas · mm28.6*2, 34.9*3 (Brazing)
Water piping connections · Water inlet(PT1 1/4B) × 3 internal thread
Water piping connections · Water outlet(PT1 1/4B) × 3 internal thread
Water piping connections · Drain outlet(PS1/2B) × 3 internal thread
Refrigerant · TypeR-410A
Refrigerant · Charge · kg3.5 + 4.2 + 4.2
Operating conditions 1 specifications
Operation range (Inlet water temp.) · °C10 to 45

Catalogue source & rating conditions

Values are taken from PCVVN2507Aaprv, PDF page 162 (printed page 161). General Catalogue 2025; published on VRV.vn as Catalogue 2026 (EN).

Rated performance depends on test conditions and system combinations. Check the source notes when selecting equipment or comparing series.

Read original source notes (English)
Notes: 1. Specifications are based on the following RWEYQ10TYM RWEYQ12TYM RWEYQ12TYM conditions: RWEYQ12TYM RWEYQ12TYM RWEYQ12TYM • Cooling: Indoor temp.: 27ºCDB, 19ºCWB / inlet 3-phase 4-wire system, 380-415 V/380 V, 50/60 Hz water temp.:30ºC, Equivalent piping length: 7.5 m, Height difference: 0 m. 305,000 324,000 345,000 • Heating: Indoor temp.: 20ºCDB / inlet water 89.5 95.0 101 temp.: 20ºC, Equivalent piping length: 7.5 m, 345,000 365,000 386,000 Height difference: 0 m. • Sound level: Anechoic chamber conversion 101 107 113 value, measured at a point 1 m in 18.2 20.1 22.0 front of the unit at a height of 1.5 m. 19.1 21.3 23.6 During actual operation, these lvory white (5Y7.5/1) values are normally somewhat (1,000 × 780 × 550) × 3 higher as a result of ambient conditions and oil recovery mode. Hermetically sealed scroll type When there is concern for noise to 3.7 × 2 + 4.7 3.7 + 4.7 × 2 4.7 × 3 the surrounding area such as 19.1 (Flare) residences, we recommend investigating the installation 34.9 (Brazing) location and taking soundproofing 28.6*2, 34.9*3 (Brazing) measures. 2. This unit cannot be installed in the outdoors. (PT1 1/4B) × 3 internal thread Install indoors (Machine room, etc). (PT1 1/4B) × 3 internal thread 3. Hold ambient temperature at 0 – 40ºC and (PS1/2B) × 3 internal thread humidity at 80%RH or less. Heat rejection from the casing: 0.51 kW / 6 - 8 HP / hour, 0.58 kW / 147 × 3 (149 × 3) 10 - 12 HP / hour. 57 58 4. Connectable to closed type cooling tower only. 10 to 45 *1: In the case of heat pump system, suction gas pipe is not used. 19-100 *2: In the case of heat recovery system. R-410A *3: In the case of heat pump system. • Be sure to refer to the Engineering Data Book for 4.2 + 4.2 + 4.2 facility design. 162 seireS W VI VRV VRV IV W Series
View catalogue page · PDF 162

The original page preserves symbols, merged cells and accessories; not every accessory shown is supplied with the unit.

Original English catalogue, PDF page 162
Read all text from this page and its facing page
PDF page 162 Outside Units VRV IV W Series Specifications MODEL RWEYQ6TYM RWEYQ8TYM RWEYQ10TYM RWEYQ12TYM – – – – Combination units – – – – Power supply 3-phase 4-wire system, 380-415 V/380 V, 50/60 Hz Btu/h 54,600 76,400 95,500 114,000 Cooling capacity kW 16.0 22.4 28.0 33.5 Btu/h 61,400 85,300 107,000 128,000 Heating capacity kW 18.0 25.0 31.5 37.5 Power Cooling kW 2.58 3.86 5.43 7.33 consumption Heating kW 2.69 3.98 5.60 7.87 Casing colour lvory white (5Y7.5/1) Dimensions (H × W × D) mm 1,000 × 780 × 550 Type Hermetically sealed scroll type Compressor Motor output kW 1.9 2.8 3.7 4.7 Liquid 9.5 (Flare) 12.7 (Flare) Refrigerant piping Suction gas *1 mm 19.1 (Brazing) 22.2 (Brazing) connections High and low pressure gas 15.9*2, 19.1*3 (Brazing) 19.1*2, 22.2*3 (Brazing) Water inlet PT1 1/4B internal thread Water piping Water outlet PT1 1/4B internal thread connections Drain outlet PS1/2B internal thread Machine weight (Operating weight) kg 146 (148) 147 (149) Sound level dB(A) 49 50 51 53 Operation range (Inlet water temp.) °C 10 to 45 Capacity control % 23-100 19-100 Type R-410A Refrigerant Charge kg 3.5 4.2 MODEL RWEYQ26TYM RWEYQ28TYM RWEYQ30TYM RWEYQ8TYM RWEYQ8TYM RWEYQ10TYM Combination units RWEYQ8TYM RWEYQ10TYM RWEYQ10TYM RWEYQ10TYM RWEYQ10TYM RWEYQ10TYM Power supply 3-phase 4-wire system, 380-415 V/380 V, 50/60 Hz Btu/h 248,000 268,000 287,000 Cooling capacity kW 72.8 78.4 84.0 Btu/h 278,000 300,000 322,000 Heating capacity kW 81.5 88.0 94.5 Power Cooling kW 13.2 14.7 16.3 consumption Heating kW 13.6 15.2 16.8 Casing colour lvory white (5Y7.5/1) Dimensions (H × W × D) mm (1,000 × 780 × 550) × 3 Type Hermetically sealed scroll type Compressor Motor output kW 2.8 × 2 + 3.7 2.8 + 3.7 × 2 3.7 × 3 Liquid 19.1 (Flare) Refrigerant piping Suction gas *1 mm 34.9 (Brazing) connections High and low pressure gas 28.6*2, 34.9*3 (Brazing) Water inlet (PT1 1/4B) × 3 internal thread Water piping Water outlet (PT1 1/4B) × 3 internal thread connections Drain outlet (PS1/2B) × 3 internal thread Machine weight (Operating weight) kg 146 × 2 + 147 (148 × 2 + 149) 146 + 147 × 2 (148 + 149 × 2) 147 × 3 (149 × 3) Sound level dB(A) 55 56 Operation range (Inlet water temp.) °C 10 to 45 Capacity control % 21-100 20-100 19-100 Type R-410A Refrigerant Charge kg 3.5 + 3.5 + 4.2 3.5 + 4.2 + 4.2 4.2 + 4.2 + 4.2 161 FACING PAGE — PDF page 163 Heat Pump RWEYQ14TYM RWEYQ16TYM RWEYQ18TYM RWEYQ20TYM RWEYQ22TYM RWEYQ24TYM RWEYQ6TYM RWEYQ8TYM RWEYQ8TYM RWEYQ10TYM RWEYQ10TYM RWEYQ12TYM RWEYQ8TYM RWEYQ8TYM RWEYQ10TYM RWEYQ10TYM RWEYQ12TYM RWEYQ12TYM 3-phase 4-wire system, 380-415 V/380 V, 50/60 Hz 131,000 153,000 172,000 191,000 210,000 229,000 38.4 44.8 50.4 56.0 61.5 67.0 147,000 171,000 193,000 215,000 235,000 256,000 43.0 50.0 56.5 63.0 69.0 75.0 6.44 7.72 9.29 10.9 12.8 14.7 6.67 7.96 9.58 11.2 13.5 15.7 lvory white (5Y7.5/1) (1,000 × 780 × 550) × 2 Hermetically sealed scroll type 1.9 + 2.8 2.8 × 2 2.8 + 3.7 3.7 × 2 3.7 + 4.7 4.7 × 2 12.7 (Flare) 15.9 (Flare) 19.1 (Flare) 28.6 (Brazing) 22.2*2, 28.6*3 (Brazing) (PT1 1/4B) × 2 internal thread (PT1 1/4B) × 2 internal thread (PS1/2B) × 2 internal thread 146 × 2 (148 × 2) 146 + 147 (148 + 149) 147 × 2 (149 × 2) 53 54 55 56 10 to 45 23-100 20-100 19-100 R-410A 3.5 + 3.5 3.5 + 4.2 4.2 + 4.2 RWEYQ32TYM RWEYQ34TYM RWEYQ36TYM RWEYQ10TYM RWEYQ10TYM RWEYQ12TYM Notes: 1. Specifications are based on the following RWEYQ10TYM RWEYQ12TYM RWEYQ12TYM conditions: RWEYQ12TYM RWEYQ12TYM RWEYQ12TYM • Cooling: Indoor temp.: 27ºCDB, 19ºCWB / inlet 3-phase 4-wire system, 380-415 V/380 V, 50/60 Hz water temp.:30ºC, Equivalent piping length: 7.5 m, Height difference: 0 m. 305,000 324,000 345,000 • Heating: Indoor temp.: 20ºCDB / inlet water 89.5 95.0 101 temp.: 20ºC, Equivalent piping length: 7.5 m, 345,000 365,000 386,000 Height difference: 0 m. • Sound level: Anechoic chamber conversion 101 107 113 value, measured at a point 1 m in 18.2 20.1 22.0 front of the unit at a height of 1.5 m. 19.1 21.3 23.6 During actual operation, these lvory white (5Y7.5/1) values are normally somewhat (1,000 × 780 × 550) × 3 higher as a result of ambient conditions and oil recovery mode. Hermetically sealed scroll type When there is concern for noise to 3.7 × 2 + 4.7 3.7 + 4.7 × 2 4.7 × 3 the surrounding area such as 19.1 (Flare) residences, we recommend investigating the installation 34.9 (Brazing) location and taking soundproofing 28.6*2, 34.9*3 (Brazing) measures. 2. This unit cannot be installed in the outdoors. (PT1 1/4B) × 3 internal thread Install indoors (Machine room, etc). (PT1 1/4B) × 3 internal thread 3. Hold ambient temperature at 0 – 40ºC and (PS1/2B) × 3 internal thread humidity at 80%RH or less. Heat rejection from the casing: 0.51 kW / 6 - 8 HP / hour, 0.58 kW / 147 × 3 (149 × 3) 10 - 12 HP / hour. 57 58 4. Connectable to closed type cooling tower only. 10 to 45 *1: In the case of heat pump system, suction gas pipe is not used. 19-100 *2: In the case of heat recovery system. R-410A *3: In the case of heat pump system. • Be sure to refer to the Engineering Data Book for 4.2 + 4.2 + 4.2 facility design. 162 seireS W VI VRV VRV IV W Series

Catalogue article on VRV.vn ↗ · Original English PDF on VRV.vn ↗