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Daikin REYQ96PAYD [10/22] 5 example of connection
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6 English
6-5 Example of connection
B1 B2 B3 B4
Example of connection
(Connection of 8 indoor units)
Outside unit
side
(3 pipes)
Indoor unit
side
(2 pipes)
Suction gas pipe
HP/LP gas pipe
Liquid pipe
Gas pipe
Liquid pipe
BS
Unit
Suction gas pipe
HP/LP gas pipe
Liquid pipe
(Suction) gas pipe
Liquid pipe
Piping from outside unit to BS unit
Piping from BS unit to indoor unit or
Piping from Refrigerant branch kit to
indoor unit used as cooling only
(Bold) : 3 pipes
(Thin) : 2 pipes
(*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.
Branch with REFNET joint Branch with REFNET joint and header Branch with REFNET header
Single
outside
system
REYQ
72~120 PAYD
REYQ
72~120 PATJ
Multi
outside
system
REYQ
144~192 PAYD
REYQ
144~192 PATJ
Outside unit
Outside unit Outside unit
Outside unit Outside unit
REFNET joint (A~G)
REFNET joint (A~G)
B1 ~ B4
: BS Unit
1 ~ 6
: Indoor unit (Cool/Heat selection possible)
7 , 8
: Indoor unit (Cooling only)
REFNET joint (A~G)
REFNET header
REFNET header
First outside unit multi connection piping kit
REFNET joint (A~G)
REFNET header
REFNET header
Maximum
allowable
length
Allowable
height
difference
Allowable length after the branch
Between outside unit (*2)
and indoor unit
Between first outside unit multi
connection piping kit and outside unit
(in case of multi system)
Between outside and indoor units
Between indoor and indoor units
Between outside and outside units
Actual pipe
length
Equivalent
length
Actual and
Equivalent
pipe length
Actual pipe
length
Difference in height
Difference in height
Difference in height
Total extention length
Pipe length between outside unit (*2) and indoor unit ≤ 540 ft
Example 8 : a + b + c + d + e ≤ 540 ft
Example 6 : a + b + ≤ 540 ft, 8 : a + m + n + p ≤ 540 ft
Example 8 : a + o
≤
540 ft
Equivalent pipe length between outside unit (*2) and indoor unit ≤ 620 ft (Note 1)
(Assume eqivalent pipe length of REFNET joint to be 1.6 ft, that of REFNET header to be 3.3 ft, that of BSVQ36 · 60 · 96 to be 13 ft, for calculation purposes)
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
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
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
Outside unit
r
≤
33 ft
(Equivalent length
≤
43 ft)
t
≤
33 ft
(Equivalent length
≤
43 ft)
Example 6 : b + ≤ 130 ft, 8: m + n + p ≤ 130 ft Example 8 : o
≤
130 ft
a
b
c
d
e
a
b
c
d
e
H1
H1
H1
H2
s
r
pn
f
ki
f
ki
qom
pn
qom
g
G
F
j
ABCDE
H1
S
r
ABCDE
B1 B2 B3 B4
1234567
8
H2
g
G
F
1234567
8
B1 ~ B5
: BS Unit
1 ~ 4 , 7 , 8
:
Indoor unit (Cool/Heat selection possible)
5 , 6
: Indoor unit (Cooling only)
B1 ~ B6
: BS Unit
1 ~ 6
:
Indoor unit (Cool/Heat selection possible)
7 , 8
: Indoor unit (Cooling only)
B1 ~ B6
: BS Unit
1 ~ 6
:
Indoor unit (Cool/Heat selection possible)
7 , 8
: Indoor unit (Cooling only)
B1 ~ B5
: BS Unit
1 ~ 4 , 7 , 8
:
Indoor unit (Cool/Heat selection possible)
5 , 6
: Indoor unit (Cooling only)
B1 ~ B4
: BS Unit
1 ~ 6
: Indoor unit (Cool/Heat selection possible)
7 , 8
: Indoor unit (Cooling only)
a
a
m
m
c
d
e
f
g
h
i
j
k
o
n
A
A
B
H2
B1 B2 B3 B4
B5
123456 7
8
H3
r
t
H3
H3
r
t
a
b
c
d
e
f
h
k
o
B
8
H2
r
t
a
B1 B2 B3 B4
123456 7
B5
b
c
d
e
m
p
p
n
b
g
h
i
j
k
f
d
b
h
j
f
o
n
H2
H1H1
B1 B2 B3 B4 B5 B6
B1 B2 B3 B4 B5 B6
1234567
8
1234567
8
c
e
m
g
i
k
o
n
H2
r
t
g
i
j
Outside unit
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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