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 →
RWEYQ28TYM specifications
| System configuration 1 specifications | |
|---|---|
| Combination units | RWEYQ8TYM / RWEYQ10TYM / RWEYQ10TYM |
| Rated capacity 4 specifications | |
| Cooling capacity · Btu/h | 268,000 |
| Cooling capacity · kW | 78.4 |
| Heating capacity · Btu/h | 300,000 |
| Heating capacity · kW | 88.0 |
| Electrical & efficiency 6 specifications | |
| Power supply | 3-phase 4-wire system, 380-415 V/380 V, 50/60 Hz |
| Power consumption · Cooling · kW | 14.7 |
| Power consumption · Heating · kW | 15.2 |
| Compressor · Type | Hermetically sealed scroll type |
| Compressor · Motor output · kW | 2.8 + 3.7 × 2 |
| Capacity control · % | 20-100 |
| Airflow & sound 1 specifications | |
| Sound level · dB(A) | 56 |
| Dimensions & weight 3 specifications | |
| Casing colour | lvory white (5Y7.5/1) |
| Dimensions (H × W × D) · mm | (1,000 × 780 × 550) × 3 |
| Machine weight (Operating weight) · kg | 146 + 147 × 2 (148 + 149 × 2) |
| Piping & refrigerant 8 specifications | |
| Refrigerant piping connections · Liquid · mm | 19.1 (Flare) |
| Refrigerant piping connections · Suction gas *1 · mm | 34.9 (Brazing) |
| Refrigerant piping connections · High and low pressure gas · mm | 28.6*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 · Type | R-410A |
| Refrigerant · Charge · kg | 3.5 + 4.2 + 4.2 |
| Operating conditions 1 specifications | |
| Operation range (Inlet water temp.) · °C | 10 to 45 |
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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
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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.

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 ↗


