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Daikin REYQ144PATJ [11/22] English 7
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English 7
Outside unit multi connection piping kit and
Refrigerant branch kit selection
Pipe size selection
• Refrigerant branch kits can only be used with R410A.
• When multi outdoor system are installed, be sure to use the
special separately sold Outside unit multi connection piping
kit. (BHFP26P90U).
(For how to select the proper kit, follow the table at right.)
• Never use BHFP26M90U, BHFP22M90U for M type of this
series or T joint (field supplyed).
How to select the REFNET joint
Piping between outside unit(*2 and refrigerant branch kit (partA)
How to select the REFNET header
When using REFNET joint at the first branch counted from the outside unit side,
choose from the following table in accordance with the outside unit capacity type.
(Example : REFNET joint A)
Choose from the following table in accordance with the outdoor
units system capacity type.
Piping between outside unit multi connection piping kit and outside unit (part B)
Choose from the following table in accordance with the capacity type of
the outside unit connected.
Choose from the following table in accordance with the total capacity index of all
the indoor units connected below the REFNET header.
How to select the outside unit multi connection piping kit
(This is required when the system is multi outside unit system.)
Choose from the following table in accordance with the number of outside units.
Choose the REFNET joints other than the first branch from the following table in accordance
with the total capacity index of all the indoor units connected below the REFNET joint.
Outside unit capacity type
REYQ72 · 96PA type
REYQ120~192PA type
Indoor unit total capacity index
× < 72
72 ≤ × < 111
111 ≤ ×
Refrigerant branch kit name
KHRP25M33T
KHRP25M72TU
3 pipes
KHRP25M22T
KHRP25M33T
KHRP25M72TU
2 pipes
KHRP26M22T
KHRP26M33T
KHRP26M72TU
Refrigerant branch kit name
Indoor unit total capacity index
× < 72
72 ≤ × < 111
111 ≤
Number of outside unit
2 units
Connecting piping kit name
BHFP26P90U
3 pipes
KHRP25M33H
KHRP25M72H
2 pipes
KHRP26M22H or KHRP26M33H
KHRP26M33H
KHRP26M72H
Refrigerant branch kit name
Example for indoor units
connected downstream
Example REFNET joint C : Indoor units 5 + 6 + 7 + 8
Example REFNET joint B : Indoor units 7 + 8
Example REFNET header : Indoor units 1 + 2 + 3 + 4 + 5 + 6
Example REFNET header :
Indoor units 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8
The thickness and material shall be selected in
accordance with local code.
For an outside unit installation, make
the settings in accordance with the
following figure.
Outside unit
Equalizer pipe
(part C)
Piping between outside unit
multi connection piping kit
and outside unit (part B)
Piping between outside unit multi
connection piping kits
Piping between outside unit and
refrigerant branch kit (part A)
Outside unit
capacity type
REYQ72PA type
REYQ96PA type
REYQ120PA type
REYQ144PA type
REYQ168PA type
REYQ192PA type
Piping size (O. D.)
Piping size (O. D.)
Suction gas pipe
φ3/4
φ7/8
φ1-1/8
HP/LP gas pipe
φ5/8
φ3/4
φ7/8
φ1-1/8
Liquid pipe
φ3/8
φ1/2
φ5/8
Outside unit
capacity type
REMQ72 · 96PA type
Suction gas pipe
φ7/8
HP/LP gas pipe
φ3/4
Liquid pipe
φ3/8
Piping between refrigerant branch kits
Piping between refrigerant branch kit and BS unit
Piping between BS unit and refrigerant branch kit
Choose from the following table in accordance with the total capacity type of all the
indoor units connected downstream.
Piping between refrigerant branch kit, BS unit and indoor unit.
Equalizer pipe (part C) (outside multi system only)
Match to the size of the connection pipng on the indoor unit.
*1 Connection piping must not exceed the refrigerant Piping size between outside
unit and refrigerant branch kit (part A)
*2 When selecting 2 pipes line(gas pipe and liquid pipe), use Suction gas pipe
column for gas pipe and Liquid pipe column for liquid pipe.
Indoor capacity index
× < 54
54 ≤ × < 72
72 ≤ × < 111
111 ≤ × < 162
162 ≤ ×
Indoor unit capacity type
07
·
09
·
12
·
18
24
·
30
·
36
·
48
gas pipe
φ1/2
φ5/8
Liquid pipe
φ1/4
φ3/8
Piping size (O. D.) φ3/4
(unit : in.)
(unit : in.)
Piping size (O. D.)
(unit : in.)
Piping size (O. D.)
(unit : in.)
(unit : in.)
Suction gas pipe
φ5/8
φ3/4
φ7/8
φ1-1/8
HP/LP gas pipe
φ1/2
φ5/8
φ3/4
φ1-1/8
Liquid pipe
φ3/8
φ1/2
φ5/8
Содержание
- Installation manual 1
- System air conditioner 1
- Figure 1 figure 3 figure 2 2
- Figure 11 2
- Figure 12 2
- Figure 4 figure 6 figure 5 2
- Figure 7 figure 8 figure 9 figure 10 2
- Figure 13 figure 14 3
- Figure 15 3
- Figure 16 figure 17 2 3
- Figure 17 1 3
- Figure 18 3
- Figure 19 3
- Figure 20 figure 22 3
- Figure 21 3
- Figure 23 4
- Figure 24 4
- Figure 25 4
- Figure 26 4
- Figure 27 figure 29 4
- Figure 28 4
- Figure 30 4
- Figure 31 4
- 1 safety considerations 5
- Contents 5
- English 1 5
- First of all 5
- 2 special notice of product 6
- English 6
- 1 combination 7
- 2 standard supplied accessories 7
- 3 disposal requirements 7
- 3 option accessory 7
- 4 technical and electrical specifications 7
- 5 main components 7
- English 3 7
- Introduction 7
- Selection of location 7
- 1 selection of piping material and refrigerant branching kit 8
- 1 selection of piping material and refrigerantbranching kit 8
- English 8
- Inspecting and handling the unit 8
- Placing the unit 8
- Refrigerant piping 8
- 2 protection against contamination when installing pipes 9
- 2 protection against contaminationwhen installing pipes 9
- 3 pipe connection 9
- 4 connecting the refrigerant piping 9
- English 5 9
- 1 indicate the outside unit multi connection piping kit 2 in case of multi outdoor system re read outside unit to the first outside unit multi connection piping kit as seen from the indoor unit 10
- 5 example of connection 10
- Actual and equivalent pipe length 10
- Actual pipe length 10
- Actual pipe length equivalent length 10
- Actual pipe length from first refrigerant branch kit either refnet joint or refnet header to indoor unit 130 ft note 2 example 8 b c d e s 130 ft 10
- Allowable length after the branch 10
- Between outside unit 2 and indoor unit 10
- Bold 3 pipes 10
- Branch with refnet joint branch with refnet joint and header branch with refnet header 10
- Bs unit 10
- Difference in height between outside unit and indoor unit h1 164 ft max 130 ft if the outside unit is below difference in height between adjacent indoor units h2 49 ft difference in height between adjacent outside units h3 16 ft 10
- English 10
- Example 6 b 130 ft 8 m n p 130 ft example 8 o 10
- Example 8 a o 10
- Example of connection connection of 8 indoor units 10
- First outside unit multi connection piping kit 10
- Ft equivalent pipe length between outside unit 2 and indoor unit 620 ft note 1 10
- Indoor unit cool heat selection possible 10
- Indoor unit cooling only 10
- Indoor unit side 2 pipes 10
- Multi outside system 10
- Outside unit 10
- Outside unit outside unit 10
- Outside unit side 3 pipes 10
- Pipe length between outside unit 2 and indoor unit 540 ft example 8 a b c d e 540 ft 10
- Piping from bs unit to indoor unit or piping from refrigerant branch kit to indoor unit used as cooling only 10
- Piping from outside unit to bs unit 10
- Single outside system 10
- Suction gas pipe hp lp gas pipe liquid pipe 10
- Suction gas pipe liquid pipe 10
- Thin 2 pipes 10
- Total piping length from outside unit 2 to all indoor unit 3280 ft actual pipe length from first outside unit multi connection piping kit to outside unit 33 ft equivalent pipe length from first outside unit multi connection piping kit to outside unit 43 ft 10
- English 7 11
- Outside unit multi connection piping kit and refrigerant branch kit selection 11
- Pipe size selection 11
- 0 75 1 0 21 1 0 81 75 0 40 10 0 15 1 2 2 1 12
- 11 82 11 lb 12
- A b 2 c 2 d 2 e 2 f 2 g 2 h i j k l m n p 3280 ft 12
- A b u r c n s t o p 12
- English 12
- How to calculate the additional refrigerant to be charged 12
- If available on the site use this size otherwise it can not be increased 12
- Increase the pipe size as follows 12
- Indoor units 1 8 12
- Outside unit refnet joint a g 12
- Required conditions example drawings 12
- Round off in units of 0 lb 12
- The farthest indoor unit 8 the nearest indoor unit 1 12
- Φ 3 8 φ 1 2 φ 1 2 φ 5 8 φ 5 8 φ 3 4 φ 3 4 φ 7 8 φ 7 8 φ 1 φ 1 1 8 φ 1 1 4 φ 1 3 8 φ 1 1 2 12
- 1 power circuit safety device and cable requirements 13
- 1 power circuit safety device and cablerequirements 13
- 2 wiring connection example for whole system 13
- 3 leading wire procedure 13
- English 9 13
- Field wiring 13
- 4 transmission wiring connection procedure 14
- 5 power wiring connection procedure 14
- Crimp style terminal 14
- Cup washer 14
- Cut out section 14
- English 14
- Power wire crimp style terminal 14
- 6 procedure for wiring inside units 15
- Air tight test and vacuum drying 15
- English 11 15
- R410a label 15
- Resin hook 15
- Terminal block crip style terminal wire narrow wire thick 15
- 1 before working 16
- Additional refrigerant charge and check operation 16
- Additional refrigerant chargeand check operation 16
- Checking of device and installa tion conditions 16
- Checking of device and installationconditions 16
- English 16
- Pipe insulation 16
- 2 procedure of adding refrigerant charging and check operation 17
- 2 procedure of adding refrigerant charging andcheck operation 17
- English 13 17
- H h i h h h h 17
- J h h h h h h 17
- J h h h i h i 17
- J h h i h h h 17
- J h j h j j h 17
- 2 1 procedure of adding refrigerant charging 18
- Cooling mode 18
- English 18
- H h i h h h h 18
- Heating mode 18
- Less than above range 18
- Outdoor temp 32 f db 109 f db indoor temp 50 f db 90 f db 18
- English 15 19
- 1 before test run 20
- 2 2 procedure of check operation 20
- 2 test run 20
- English 20
- Onsite settings 20
- Test run 20
- 3 checks after test run 21
- Caution for refrigerant leaks 21
- English 17 21
- P215731 8m em09a062a 22
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