Daikin RXYSQ6M7V3B- Manuals

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User Manual

User Manual Daikin RXYSQ6M7V3B

Summary

Page 2 - Air Conditioners; V R V ® A i r - c o o l e d S e l e c t i o n P r o c e d u r e; Technical Data

E E D E N 1 2 - 2 0 0 Air Conditioners V R V ® A i r - c o o l e d S e l e c t i o n P r o c e d u r e Technical Data

Page 3 - TABLE OF CONTENTS

• VRV ® Systems • Air-cooled selection procedure 1 • Air-cooled selection procedure 1 Selection procedure VRV ® system based on cooling load . . . . 2 Flowchart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Step by step . ...

Page 4 - Selection procedure VRV

• Air-cooled selection procedure • VRV ® Systems • Air cooled selection procedure 2 2 1 1 Selection procedure VRV ® system based on cooling load 1 - 1 Flowchart CONDITIONS SELECTION OF INDOOR UNITS CONDITIONS FOR OUTDOOR UNIT SELECTION SELECTION OF OUTDOOR UNITS OPTIONAL ª ª ª Indoor & outdoor d...

Page 6 - - 2 - 5 Define cooling capacity to be given by outdoor unit system:

• Air-cooled selection procedure • VRV ® Systems • Air cooled selection procedure 4 2 1 1 Selection procedure VRV ® system based on cooling load 1 - 2 Step by step 1 - 2 - 5 Define cooling capacity to be given by outdoor unit system: Step 1: Define Total cooling load to be absorbed by connected indo...

Page 7 - Sum Room Peak loads 27.2 kW; System Peak Load 22.2 kW; Time

• VRV ® Systems • Air cooled selection procedure 5 • Air-cooled selection procedure 2 1 1 Selection procedure VRV ® system based on cooling load 1 - 3 Example 1 - 3 - 1 Design conditions • Determine indoor / outdoor design temperature Indoor: 20° CWB / 28° CDB Ambient: 33° CDB • Determine room peak ...

Page 8 - - 3 - 5 Define cooling capacity to be given by outdoor unit system:

• Air-cooled selection procedure • VRV ® Systems • Air cooled selection procedure 6 2 1 1 Selection procedure VRV ® system based on cooling load 1 - 3 Example 1 - 3 - 5 Define cooling capacity to be given by outdoor unit system: Total cooling load • Sum of peak loads = 27.2 kW • System peak load = 2...

Page 9 - select outdoor unit type

• VRV ® Systems • Air cooled selection procedure 7 • Air-cooled selection procedure 2 1 1 Selection procedure VRV ® system based on cooling load 1 - 3 Example 1 - 3 - 6 Selection of outdoor unit • select outdoor unit type RXYQ8P outdoor unit Indoor unit combination total capacity index table • Deter...

Page 10 - Selection in heating mode

• Air-cooled selection procedure • VRV ® Systems • Air cooled selection procedure 8 2 2 2 Selection in heating mode 2 - 1 Flowchart CONDITIONS SELECTION OF INDOOR UNITS CONDITIONS FOR OUTDOOR UNIT SELECTION SELECTION OF OUTDOOR UNITS ª ª ª Indoor dry bulb temp & outdoor wet bulb temp. heat loads...

Page 11 - - 2 - 6 Define heating capacity to be given by outdoor unit system:

• VRV ® Systems • Air cooled selection procedure 9 • Air-cooled selection procedure 2 2 2 Selection in heating mode 2 - 2 Step by step 2 - 2 - 1 Design conditions: To start designing a VRV system in heating mode, following information is needed: • Indoor conditions: Dry bulb temperature (°CDB) • Hea...

Page 12 - In case less than 14 kW capacity is needed to produce hot water:

• Air-cooled selection procedure • VRV ® Systems • Air cooled selection procedure 10 2 2 2 Selection in heating mode 2 - 2 Step by step 2 - 2 - 7 Selection of outdoor unit • Provisionally select outdoor unit size & type based on outdoor temperature (°CDB), indoor temperature (°CDB) & connect...

Page 13 - Sum Room Peak loads 28.6 kW; System Peak Load 24.9 kW

• VRV ® Systems • Air cooled selection procedure 11 • Air-cooled selection procedure 2 2 2 Selection in heating mode 2 - 3 Example 2 - 3 - 1 Design conditions • Determine indoor / outdoor design temperature Indoor: 18° CDB Ambient: 2.2° CWB / 3° CDB • Determine room peak loads (and if possible, syst...

Page 14 - - 3 - 6 Define heating capacity to be given by outdoor unit system:

• Air-cooled selection procedure • VRV ® Systems • Air cooled selection procedure 12 2 2 2 Selection in heating mode 2 - 3 Example 2 - 3 - 6 Define heating capacity to be given by outdoor unit system: Total heating load • Sum of peak loads = 28.6 kW • System peak load = 24.9 kW Correct total heat lo...

Page 16 - Capacity correction ratio; III heat recovery with connection to heating only hydrobox

• Air-cooled selection procedure • VRV ® Systems • Air cooled selection procedure 14 2 3 3 Capacity correction ratio 3 - 1 VRV ® III heat recovery with connection to heating only hydrobox 1. Rate of change in heating capacity 2. Rate of change in cooling capacity 3TW60652-2A NOTES [Capacity correcti...

Page 20 - III heat recovery small footprint combination

• Air-cooled selection procedure • VRV ® Systems • Air cooled selection procedure 18 2 3 3 Capacity correction ratio 3 - 2 VRV ® III heat recovery small footprint combination REYQ8P9, REYQ22P8 • Rate of change in cooling capacity • Rate of change in heating capacity 3D057931B NOTES 1 These figures i...

Page 24 - : Rate of change in cooling / heating capacity

• Air-cooled selection procedure • VRV ® Systems • Air cooled selection procedure 22 2 3 3 Capacity correction ratio 3 - 2 VRV ® III heat recovery small footprint combination REYQ16P8 • Rate of change in cooling capacity • Rate of change in heating capacity 3D058183A NOTES 1 These figures illustrate...

Page 30 - III heat recovery high COP combination

• Air-cooled selection procedure • VRV ® Systems • Air cooled selection procedure 28 2 3 3 Capacity correction ratio 3 - 3 VRV ® III heat recovery high COP combination REYHQ16P • Rate of change in cooling capacity • Rate of change in heating capacity 3D058183A NOTES 1 These figures illustrate the ra...

Page 34 - III heat pump small footprint combination

• Air-cooled selection procedure • VRV ® Systems • Air cooled selection procedure 32 2 3 3 Capacity correction ratio 3 - 4 VRV ® III heat pump small footprint combination RXYQ5P Correction ratio for cooling capacity Correction ratio for heating capacity 3TW31472-1A NOTES 1 These figures illustrate t...

Page 47 - III heat pump high COP combination

• VRV ® Systems • Air cooled selection procedure 45 • Air-cooled selection procedure 2 3 3 Capacity correction ratio 3 - 5 VRV ® III heat pump high COP combination &RUUHFWLRQUDWLRIRUFRROLQJFDSDFLW\ &RUUHFWLRQUDWLRIRUKHDWLQJFDSDFLW\ 7:$ 127(6 7KHVH¿JXUHVLOOXVWUDWHWKHFRUUHFWLRQUDWLRIRUSLSLQJOH...

Page 54 - III heating only

• Air-cooled selection procedure • VRV ® Systems • Air cooled selection procedure 52 2 3 3 Capacity correction ratio 3 - 7 VRV ® III heating only &RUUHFWLRQUDWLRIRUKHDWLQJFDSDFLW\ 7: 127(6 7KHVH¿JXUHVLOOXVWUDWHWKHFRUUHFWLRQUDWLRIRUSLSLQJOHQJWKLQFDSDFLW\IRUDVWDQGDUGLQGRRUXQLWV\VWHPDWPD[LPXPORDGZL...

Page 66 - Integrated heating capacity coefficient; INTEGRATED HEATING CAPACITY COEFFICIENT; Integrated heating capacity = A

• Air-cooled selection procedure • VRV ® Systems • Air cooled selection procedure 64 2 4 4 Integrated heating capacity coefficient REYQ-P8/P9 INTEGRATED HEATING CAPACITY COEFFICIENT The heating capacity tables do not take account of the reduction in capacity, when frost has accumulated or while the ...

Page 68 - Integrated heating capacity = A; Integrating correction factor for frost accumulation

• Air-cooled selection procedure • VRV ® Systems • Air cooled selection procedure 66 2 4 4 Integrated heating capacity coefficient INTEGRATED HEATING CAPACITY COEFFICIENT The heating capacity tables do not take account of the reduction in capacity, when frost has accumulated or while the defrosting ...

Page 71 - Correction factor for finding integrated heating capacity.

• VRV ® Systems • Air cooled selection procedure 69 • Air-cooled selection procedure 2 4 4 Integrated heating capacity coefficient 3TW30402 NOTES 1. The ﬁgure shows that the integrated heating capacity expresses the integrated capacity for a single cycle (from defrost operation to defrost operation)...

Page 74 - Refnet pipe systems; DISCHARGE GAS SIDE JUNCTION

• Air-cooled selection procedure • VRV ® Systems • Air cooled selection procedure 72 2 5 5 Refnet pipe systems DISCHARGE GAS SIDE JUNCTION SUCTION GAS SIDE JUNCTION LIQUID SIDE JUNCTION KHRQ5 8T7 KHRQ 23M7 5T8 K H R Q 23M 64T8 KHR Q 23M 20T8 KHRQ 23M2 9T9 KFRP23M 75T8 KHRP23M64T8 KHRP 23 M33T8 KHRQ2...

Page 84 - Example of Refnet piping layouts; Type of fitting

• Air-cooled selection procedure • VRV ® Systems • Air cooled selection procedure 82 2 6 6 Example of Refnet piping layouts Type of fitting Sample systems Dis tri bu tio n b y REF NET j oin ts Di str ibu tion by R EF NE T he ad er Dis tri but ion by REFNE T jo ints and he ad ers Outdoor unit Outdoor...

Page 85 - Refrigerant pipe selection

• VRV ® Systems • Air cooled selection procedure 83 • Air-cooled selection procedure 2 7 7 Refrigerant pipe selection 7 - 1 VRV ® III heat recovery small footprint combination Example of connection (Connection of 8 indoor units) Branc h with refnet joint Branc h with refnet joint and refnet header B...

Page 89 - Size: determine the proper size referring to following table:; NOTICE; Selection of piping size; A. Piping between outdoor unit and first branch pipe; Selection of refrigerant branch kits; select the pipe size nearest to the required size.; Refrigerant refnets

• VRV ® Systems • Air cooled selection procedure 87 • Air-cooled selection procedure 2 7 7 Refrigerant pipe selection 7 - 3 VRV ® III heat recovery with connection to heating only hydrobox REYAQ-P 4PW62582-1A ■ Size: determine the proper size referring to following table: Refnet joint Branch selecto...

Page 90 - - 3 VRV®III heat recovery with connection to heating only hydrobox; Piping length restrictions; Refrigerant branch kits can only be used with R410A.; System piping limitations; Example 1: Branch with refnet joint; Maximum allowable lengths; Actual pipe length between outdoor and indoor unit; Maximum allowable height difference

• Air-cooled selection procedure • VRV ® Systems • Air cooled selection procedure 88 2 7 7 Refrigerant pipe selection 7 - 3 VRV®III heat recovery with connection to heating only hydrobox REYAQ-P 4PW62582-1A Piping length restrictions ■ For refnets joints other than the ﬁrst branch (example refnetjoi...

Page 91 - VRV

• VRV ® Systems • Air cooled selection procedure 89 • Air-cooled selection procedure 2 7 7 Refrigerant pipe selection 7 - 4 VRV ® III heat pump small footprint combination / high COP combination/heating only RXYQ-P9, RXYHQ-P9, RXHQ-P9 4PW67902-1(1) Example of connection (Connection of 8 indoor units...

Page 95 - - 6 Piping thickness; annealed

• VRV ® Systems • Air cooled selection procedure 93 • Air-cooled selection procedure 2 7 7 Refrigerant pipe selection 7 - 6 Piping thickness O annealed 1/2H half-hard For half hard pipes the maximum allowed tensile stress is 61 N/mm 2 . For this reason the 0.2% proof strength of the half hard pipe s...