Daikin VRV IV REYQ-TAYCA Guide

EDUS371706C-D
202002
Engineering Data
Heat Recovery 60 Hz
Design Manual
REYQ-TAYCA, 575 V

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REYQ-TAYCA EDUS371706C-D
Table of Contents
1. FeaturesandBenets ................................................................................3
2. Compatibility...............................................................................................4
3. Nomenclature .............................................................................................5
4. Model Names .............................................................................................9
4.1 Outdoor Units....................................................................................9
4.2 Indoor Units.....................................................................................10
4.3 Branch Selector Unit .......................................................................11
4.4 Air Treatment Equipment ................................................................11
5. External Appearance................................................................................12
5.1 Outdoor Units..................................................................................12
5.2 Indoor Units.....................................................................................13
5.3 Branch Selector Unit .......................................................................14
5.4 Air Treatment Equipment ................................................................14
6. Outdoor Unit Combination........................................................................15
7. Interchangeability .....................................................................................16
8. Capacity Range........................................................................................17
8.1 Connection Ratio ............................................................................17
8.2 Capacity Range of Connectable Indoor Units.................................18
8.3 Limitation of Capacity Index for Heat Recovery..............................19
9. Specications ...........................................................................................20
10.Dimensions...............................................................................................25
11.Service Space ..........................................................................................28
12.Center of Gravity ......................................................................................30
13.Foundation Drawing .................................................................................32
14.Piping Diagrams .......................................................................................33
15.Wiring Diagrams.......................................................................................35
16.Field Wiring ..............................................................................................37
17.Electrical Characteristics ..........................................................................40
18.Operation Limits .......................................................................................41
19.Low Ambient Cooling Enhancement ........................................................42
20.Sound Levels (Reference Data) ...............................................................43
21.Accessories ..............................................................................................48
21.1 Optional Accessories ......................................................................48
22.Selection Procedure .................................................................................49
22.1 Selection Procedure........................................................................49
23.Caution Label ...........................................................................................55
23.1 REYQ72 - 168TAYCA.....................................................................55

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24.Caution for Refrigerant Leaks ..................................................................65
24.1 Introduction .....................................................................................65
24.2 Procedure for Checking Maximum Concentration ..........................66
25.Safety Devices Setting .............................................................................68
25.1 FXFQ-T ...........................................................................................68
25.2 FXZQ-TA.........................................................................................68
25.3 FXUQ-P ..........................................................................................68
25.4 FXEQ-P...........................................................................................68
25.5 FXDQ-M..........................................................................................69
25.6 FXSQ-TA ........................................................................................69
25.7 FXMQ-PB........................................................................................69
25.8 FXMQ-M .........................................................................................69
25.9 FXHQ-M..........................................................................................70
25.10 FXAQ-P .........................................................................................70
25.11 FXLQ-M, FXNQ-M.........................................................................70
25.12 FXTQ-TA .......................................................................................70
Appendix........................................................................................................71
1. Introduction...............................................................................................72
1.1 ED Book List ...................................................................................72
1.2 Publication List of Engineering Data for VRV Products ..................73

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REYQ-TAYCA EDUS371706C-D
1. Features and Benets
The new VRVIV575Volt(V)heatrecoveryunito󰀨ersallthefeaturesandbenetsoftheVRV IV 230/460 V
product in a new voltage. Integrated with advanced technology and comfort control, to provide energy
e󰀩ciencyandreliabilitymakethenewVRV IV 575 V a great solution for multi-family residential and
commercial applications.
• Engineered with 575 V inverter board and compressor to eliminate the need of additional transformer or
voltage converters.
• Designed with the Daikin K-type compressor to deliver heating down to –13°F (–25°C) as standard.
•E󰀩cientandstableinverterboardoperation,independentofambientconditions.
• Refrigerant cooled inverter technology allows installation without additional drain pan heater.
• Added peace of mind with ability of Auto changeover to back up (auxiliary) heat.
•VariableRefrigerantTemperature(VRT)technologydeliversyearroundcomfortande󰀩ciencies.
• Designed and optimized for Total Cost of Construction (TCC) and overall Life Cycle Cost (LCC).
•Longpipelengthswithupto295*ftallowableheightdi󰀨erencebetweenoutdoorandindoorunitsallows
fordesignexibility.
• Continuous heating during defrost and oil return.
•Corrosionresistant,1000hourssaltspraytestedDaikinPEBluenheatexchangercoating.
• Ships factory standard with coil guards.
• Compatible with the full suite of VRV-IV T-series Branch Selector Boxes.
• Seamless connection to all VRV M, P and T series indoor unit.
• Best in class 10 years limited warranty** as standard.
*- Field setting required
**- Complete warranty details available from local distributor or manufacturer's representative.

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REYQ-TAYCA EDUS371706C-D
2. Compatibility
575 V model
New model Current model
REYQ72TAYCA REYQ72TAYCU
REYQ96TAYCA REYQ96TAYCU
REYQ120TAYCA REYQ120TAYCU
REYQ144TAYCA REYQ144TAYCU
REYQ168TAYCA REYQ168TAYCU
REYQ192TAYCA REYQ192TAYCU
REYQ216TAYCA REYQ216TAYCU
REYQ240TAYCA REYQ240TAYCU
REYQ264TAYCA REYQ264TAYCU
REYQ288TAYCA REYQ288TAYCU
REYQ312TAYCA REYQ312TAYCU
REYQ336TAYCA REYQ336TAYCU
REYQ360TAYCA REYQ360TAYCU
REYQ384TAYCA REYQ384TAYCU

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REYQ-TAYCA EDUS371706C-D
3. Nomenclature
Outdoor Unit
384REY Q
T
A AYC
Minor Revision
Power Supply Symbol
YC: 3 phase, 575 V, 60 Hz
Indicates Minor Change Category
Indicates Major Design Category
Capacity Indication in Cooling
Refrigerant
Q: R410A
Unit category
REY: Outdoor unit air cooled heat recovery type

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REYQ-TAYCA EDUS371706C-D
Indoor Unit
M 54 VJPB UX QF
Standard symbol
U: United States of America
Power supply symbol
VJ: 1 phase, 208/230 V, 60 Hz
Indicates major design category
Capacity indication in cooling
05: 5,800 Btu/h 18: 18,000 Btu/h 48: 48,000 Btu/h
07: 7,500 Btu/h 24: 24,000 Btu/h 54: 54,000 Btu/h
09: 9,500 Btu/h 30: 30,000 Btu/h 60: 60,000 Btu/h
12: 12,000 Btu/h 36: 36,000 Btu/h 72: 72,000 Btu/h
15: 15,000 Btu/h 42: 42,000 Btu/h 96: 96,000 Btu/h
Refrigerant
Q: R410A
Shape
F: Ceiling mounted cassette (Round flow with sensing)
Z: VISTA™ 2 × 2 cassette unit
U: 4-way blow ceiling-suspended
E: One way blow cassette
D: Slim ceiling mounted duct
S: MSP concealed ducted unit
M: Ceiling mounted duct
H: Ceiling suspended
A: Wall mounted
L: Floor standing
N: Concealed floor standing
T: Air handling unit (FXTQ)
Series category
X: Inverter
Unit category
F: Indoor unit for air cooled type

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REYQ-TAYCA EDUS371706C-D
Branch Selector Unit
Power supply symbol
VJ: 1 phase, 208/230 V, 60 Hz
Indicates major design category
Capacity Indication
36: 36,000 Btu/h
60: 60,000 Btu/h
96: 96,000 Btu/h
Refrigerant: R410A
Unit category
BS: Branch Selector unit
BS TVJQ 36
Single Branch Selector unit (only necessary for Heat Recovery System)
Power supply symbol
VJ: 1 phase, 208/230 V, 60 Hz
Indicates major design category
Capacity indication of connectable indoor units per branch
Refrigerant: R410A
Number of branches
4: 4 branches
6: 6 branches
8: 8 branches
10: 10 branches
12: 12 branches
Unit category
BS: Branch Selector unit
BS T VJQ12 54
Multi Branch Selector unit (only necessary for Heat Recovery System)

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Air Treatment Equipment
M 48 VJ UM FX QF
Standard symbol
U: United States of America
Power supply symbol
VJ: 1 phase, 208/230 V, 60 Hz
Outdoor air processing unit
Indicates major design category
Capacity indication in cooling
48: 48,000 Btu/h
72: 72,000 Btu/h
96: 96,000 Btu/h
Refrigerant
Q: R410A
Shape
M: Ceiling mounted duct
Series category
X: Inverter
Unit category
F: Indoor unit for air cooled type
Outdoor Air Processing Unit
U
G300V A M VJ
Standard symbol
U: United States of America
Power supply symbol
VJ: 1 phase, 208/230 V, 60 Hz
Indicates major design category
Airflow rate (H)
300: 300 cfm 600: 600 cfm
470: 470 cfm 1200: 1,200 cfm
Mounted type
Air
Ventilation
Energy Recovery Ventilator (VAM series)

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REYQ-TAYCA EDUS371706C-D
4. Model Names
4.1 Outdoor Units
Capacity Range 6 ton 8 ton 10 ton 12 ton 14 ton 16 ton 18 ton Power Supply,
Standard
Capacity Index 72 96 120 144 168 192 216
Heat Recovery 575 V REYQ- 72TA 96TA 120TA 144TA 168TA 192TA 216TA YCA
Capacity Range 20 ton 22 ton 24 ton 26 ton 28 ton 30 ton 32 ton Power Supply,
Standard
Capacity Index 240 264 288 312 336 360 384
Heat Recovery 575 V REYQ- 240TA 264TA 288TA 312TA 336TA 360TA 384TA YCA
Note:
YC: 3 phase, 575 V, 60 Hz
A: Minor Revision
Heat Recovery 575 V
Model name REYQ72TAYCA REYQ96TAYCA REYQ120TAYCA REYQ144TAYCA REYQ168TAYCA
Outdoor unit 1 REYQ72TAYCA REYQ96TAYCA REYQ120TAYCA REYQ144TAYCA REYQ168TAYCA
Model name REYQ192TAYCA REYQ216TAYCA REYQ240TAYCA REYQ264TAYCA
Outdoor unit 1 REYQ96TAYCA REYQ96TAYCA REYQ120TAYCA REYQ120TAYCA
Outdoor unit 2 REYQ96TAYCA REYQ120TAYCA REYQ120TAYCA REYQ144TAYCA
Model name REYQ288TAYCA REYQ312TAYCA REYQ336TAYCA
Outdoor unit 1 REYQ144TAYCA REYQ144TAYCA REYQ168TAYCA
Outdoor unit 2 REYQ144TAYCA REYQ168TAYCA REYQ168TAYCA
Model name REYQ360TAYCA REYQ384TAYCA
Outdoor unit 1 REYQ120TAYCA REYQ120TAYCA
Outdoor unit 2 REYQ120TAYCA REYQ120TAYCA
Outdoor unit 3 REYQ120TAYCA REYQ144TAYCA

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REYQ-TAYCA EDUS371706C-D
4.2 Indoor Units
Capacity Range 0.5 ton 0.6 ton 0.8 ton 1 ton 1.25 ton 1.5 ton 2 ton 2.5 ton 3 ton 3.5 ton 4 ton 4.5 ton 5 ton 6 ton 8 ton
Power Supply,
Standard
Capacity Index 5.8 7.5 9.5 12 15 18 20 24 30 36 42 48 54 60 72 96
Ceiling mounted cassette
(Roundowwithsensing)
type
FXFQ — 07T 09T 12T 15T 18T — 24T 30T 36T — 48T — — — —
VJU
VISTA™ 2 × 2 cassette unit FXZQ
05TA 07TA 09TA 12TA 15TA 18TA ——————————
4-way blow ceiling-
suspended type FXUQ — — — — — — 18P 24P 30P 36P — — — — — —
One way blow cassette type FXEQ — 07P 09P 12P 15P 18P — 24P — — — — — — — —
Slim ceiling mounted duct
type FXDQ — 07M 09M 12M — 18M — 24M — — — — — — — —
MSP concealed ducted unit FXSQ
05TA 07TA 09TA 12TA 15TA 18TA — 24TA 30TA 36TA — 48TA 54TA ———
Ceiling mounted duct type
(Middle and high static
pressure)
FXMQ —
07PB 09PB 12PB 15PB 18PB — 24PB 30PB 36PB — 48PB 54PB ———
Ceiling mounted duct type FXMQ ——————————————72M96M
Ceiling suspended type FXHQ — — — 12M — — — 24M — 36M — — — — — —
Wall mounted type FXAQ — 07P 09P 12P — 18P — 24P — — — — — — — —
Floor standing type FXLQ — 07M 09M 12M — 18M — 24M — — — — — — — —
Concealedoorstanding
type FXNQ — 07M 09M 12M — 18M — 24M — — — — — — — —
Air handling unit FXTQ — —
09TA 12TA — 18TA — 24TA 30TA 36TA 42TA 48TA 54TA 60TA — — VJUA
— —
09TA 12TA — 18TA — 24TA 30TA 36TA 42TA 48TA 54TA 60TA — — VJUD
VJ : 1 phase, 208 / 230 V, 60 Hz
U(VJU) : Standard symbol

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REYQ-TAYCA EDUS371706C-D
4.3 Branch Selector Unit
Single Branch Selector Unit for Heat Recovery
Series Model Name Power Supply, Standard
Heat Recovery BSQ 36T 60T 96T VJ
Note:
No interchangeability between BSVQ-PVJU and BSQ-TVJ.
VJ: 1 phase, 208/230 V, 60 Hz
Multi Branch Selector Unit for Heat Recovery
Series Model Name Power Supply, Standard
Heat Recovery BS 4Q54T 6Q54T 8Q54T 10Q54T 12Q54T VJ
Note:
No interchangeability between BSV-Q36PVJU and BS-Q54TVJ.
VJ: 1 phase, 208/230 V, 60 Hz
4.4 Air Treatment Equipment
Outdoor Air Processing Unit
Series Model Name Power Supply, Standard
FXMQ 48MF 72MF 96MF VJU
VJ : 1 phase, 208 / 230 V, 60 Hz
U(VJU) : Standard symbol
Energy Recovery Ventilator (VAM series)
Series Model Name Power Supply, Standard
VAM 300G 470G 600G 1200G VJU
VJ : 1 phase, 208 / 230 V, 60 Hz
U(VJU) : Standard symbol

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REYQ-TAYCA EDUS371706C-D
5. External Appearance
5.1 Outdoor Units
Single Outdoor Units
REYQ72TAYCA
REYQ96TAYCA
REYQ120TAYCA
REYQ144TAYCA
REYQ168TAYCA
6, 8, 10, 12, 14 ton
Double Outdoor Units
REYQ192TAYCA REYQ288TAYCA
REYQ216TAYCA REYQ312TAYCA
REYQ240TAYCA REYQ336TAYCA
REYQ264TAYCA
16, 18, 20, 22, 24, 26, 28 ton
Triple Outdoor Units
REYQ360TAYCA
REYQ384TAYCA
30, 32 ton

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REYQ-TAYCA EDUS371706C-D
5.2 Indoor Units
Ceilingmountedcassette(Roundowwithsensing)type
FXFQ-T
Shown with BYCQ125B-W1
Ceiling mounted duct type
FXMQ-M
VISTA™ 2 × 2 cassette unit
FXZQ-TA
Shown with BYFQ60C3W1W Shown with BYFQ60C3W1S
Ceiling suspended type
FXHQ-M
4-way blow ceiling-suspended type
FXUQ-P
Wall mounted type
FXAQ-P
One way blow cassette type
FXEQ-P
Floor standing type
FXLQ-M
Slim ceiling mounted duct type
FXDQ-M
Concealedoorstandingtype
FXNQ-M
MSP concealed ducted unit
FXSQ-TA
Air handling unit
FXTQ-TA
Ceiling mounted duct type (Middle and high static pressure)
FXMQ-PB

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REYQ-TAYCA EDUS371706C-D
5.3 Branch Selector Unit
Single branch selector unit
BSQ-T
Multi branch selector unit
BS-Q54T
5.4 Air Treatment Equipment
Outdoor air processing unit
FXMQ-MF
Energy recovery ventilator
(VAM series)
VAM-G

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REYQ-TAYCA EDUS371706C-D
6. Outdoor Unit Combination
Model name System capacity Number of
units
Module Outdoor Unit Multi Connection
Piping Kit 1
Ton HP kW 72 96 120 144 168
REYQ72TAYCA 6 7.5 21.1 1 l
—
REYQ96TAYCA 8 10.0 28.1 1 l
REYQ120TAYCA 10 12.5 35.2 1 l
REYQ144TAYCA 12 15.0 42.2 1 l
REYQ168TAYCA 14 17.5 49.2 1 l
REYQ192TAYCA 16 20.0 56.3 2 ll
BHFP26P100U
BHFP26P100UA
REYQ216TAYCA 18 22.5 63.3 2 l l
REYQ240TAYCA 20 25.0 70.3 2 ll
REYQ264TAYCA 22 27.5 77.4 2 l l
REYQ288TAYCA 24 30.0 84.4 2 ll
REYQ312TAYCA 26 32.5 91.4 2 l l
REYQ336TAYCA 28 35.0 98.5 2 ll
REYQ360TAYCA 30 37.5 105.5 3 lll BHFP26P151U
BHFP26P151UA
REYQ384TAYCA 32 40.0 112.5 3 ll l
Note:
1. For multiple connection, the outdoor unit multi connection piping kit (separately sold) is required.

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REYQ-TAYCA EDUS371706C-D
7. Interchangeability
Branch Selector unit
Outdoor unit
New Branch Selector unit (Reference)
Current Branch Selector unit
Single Branch
Selector unit
Multi Branch
Selector unit
Single Branch
Selector unit
Multi Branch
Selector unit
BSQ36TVJ
BSQ60TVJ
BSQ96TVJ
BS4Q54TVJ
BS6Q54TVJ
BS8Q54TVJ
BS10Q54TVJ
BS12Q54TVJ
BSVQ36PVJU
BSVQ60PVJU
BSVQ96PVJU
BSV4Q36PVJU
BSV6Q36PVJU
Heat Recovery REYQ-TA REYQ-TAYCA Connectable Connectable Not connectable Not connectable

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REYQ-TAYCA EDUS371706C-D
8. Capacity Range
8.1 Connection Ratio
Connection ratio = Total capacity index of the indoor units
Capacity index of the outdoor units
Type
Min.
connection
ratio
Max. connection ratio
Types of connected indoor units Type of connected air treatment equipment
When using only
FXDQ, FXMQ-PB,
FXAQ, FXSQ07-54T
When using at least
one FXFQ07/09,
FXZQ05T
FXSQ05T
Other indoor unit
models
FXMQ-MF
When FXMQ-MF is
only connected
When FXMQ-MF
and indoor units are
connected
Single outdoor units
50% *1 200% *2 130%
200% *2
100% 100% *3 *4Double outdoor units 160% *2
Triple outdoor units 130%
Note:
*1. 70%: REYQ72T type
*2. Iftheoperationalcapacityofindoorunitsismorethan130%,lowairowoperationisenforcedinalltheindoorunits.Fieldsettingnowexiststo
congurethissituation.Forcoolingandheatingmode–seebelow.
*3. When outdoor-air processing units (FXMQ-MF) and standard indoor units are connected, the total connection capacity of the outdoor-air
processing units (FXMQ-MF) must not exceed 30% of the capacity index of the outdoor units. And the connection ratio must not exceed 100%.
*4. It is permitted to use a maximum connection ratio of 130% in some circumstances – please contact your local Daikin representative for further
details.
*5. For indoor units used for cooling only (do not connect to Branch Selector unit when using for heat recovery), total capacity index must be 50%
or less than the capacity index of the outdoor units.
Indoor unit fan tap setting
Indoor units fan speed limitation related to connection capacity and outdoor air temperature for energy saving.
Default value = 0
Value Indoor unit fan tap setting
0FanspeedislimitedtoLtapwhenindoorunitscapacity≥130%.
1Inheatingmode,fanspeedislimitedtoLtapwhenindoorunitscapacity≥130%.
2 Fan speed follows the setting of the remote controllers (not limited by indoor units connection capacity).
3
Fan speed is limited to L tap when outdoor air temperature goes down to below 85.1°F (29.5°C) and indoor air
temperature is in condition A (*1). It returns to remote controller setting when outdoor air temperature goes up to over
90.5 °F (32.5°C) or indoor air temperature is in condition B (*2).
4
Fan speed is limited to L tap when outdoor air temperature goes down to below 74.3°F (23.5°C) and indoor air
temperature is in condition A (*1). It returns to remote controller setting when outdoor air temperature goes up to over
79.7°F (26.5°C) or indoor air temperature is in condition B (*2).
5
Fan speed is limited to L tap when outdoor air temperature goes down to below 66.7°F (19.3°C) and indoor air
temperature is in condition A (*1). It returns to remote controller setting when outdoor air temperature goes up to over
72.1°F (22.3°C) or indoor air temperature is in condition B (*2).
6Fan speed is limited to L tap when outdoor air temperature goes down to below 85.1°F (29.5°C). It returns to remote
controller setting when outdoor air temperature goes up to over 90.5°F (32.5°C).
7Fan speed is limited to L tap when outdoor air temperature goes down to below 74.3°F (23.5°C). It returns to remote
controller setting when outdoor air temperature goes up to over 79.7°F (26.5°C).
8Fan speed is limited to L tap when outdoor air temperature goes down to below 66.7°F (19.3°C). It returns to remote
controller setting when outdoor air temperature goes up to over 72.1°F (22.3°C).
*1. IndoorconditionA:Temperaturedi󰀨erence(indoorairtemperature–settemperature)ismorethan–2.7°F(–1.5°C)andlessthan5.4°F(3°C).
*2. IndoorconditionB:Temperaturedi󰀨erence(indoorairtemperature–settemperature)is–2.7°F(–1.5°C)orless,or5.4°F(3°C)ormore.

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REYQ-TAYCA EDUS371706C-D
8.2 Capacity Range of Connectable Indoor Units
Type Ton Capacity index Model name
Total capacity index
of connectable indoor
units *1
Maximum number of
connectable indoor
units
Single outdoor
units
6 72 REYQ72TAYCA 51 to 93 (144) 12
8 96 REYQ96TAYCA 48 to 124 (192) 16
10 120 REYQ120TAYCA 60 to 156 (240) 20
12 144 REYQ144TAYCA 72 to 187 (288) 25
14 168 REYQ168TAYCA 84 to 218 (336) 29
Double outdoor
units
16 192 REYQ192TAYCA 96 to 249 (307) 33
18 216 REYQ216TAYCA 108 to 280 (345) 37
20 240 REYQ240TAYCA 120 to 312 (384) 41
22 264 REYQ264TAYCA 132 to 343 (422) 45
24 288 REYQ288TAYCA 144 to 374 (460) 49
26 312 REYQ312TAYCA 156 to 405 (499) 54
28 336 REYQ336TAYCA 168 to 436 (537) 58
Triple outdoor
units
30 360 REYQ360TAYCA 180 to 468 (468) 62
32 384 REYQ384TAYCA 192 to 499 (499) 64
Note:
*1. Values inside brackets are based on connection of indoor units rated at maximum capacity, 200% for single outdoor units, 160% for double
outdoor units, and 130% for triple outdoor units.