Daikin R-410A Installation Manual page 43

EDUS39-605
1-1 Combination
• Always use appropriate indoor units compatible with
R-410A.
To learn which models of indoor units are compatible
with R-410A, refer to the product catalogs.
• Total capacity/quantity of indoor units are as follows:
〈 〉 〈
Outdoor unit Total capacity of indoor units
REYQ72MTJU ........................ 36 ~ 93
REYQ96MTJU................. 48 ~ 125
REYQ144MTJU .................... 72 ~ 187
REYQ168MTJU .................... 84 ~ 218
REYQ192MTJU .................... 96 ~ 249
Standard operation limit
Operating conditions for indoor and outdoor units are as
follows:
Equivalent pipe length25ft.
Level difference0ft.
Cooling
A
110
100
90
80
70
60
50
40
30
23
B
50 57 60 70 77 80 90
A Outdoor temperature (°FDB)
B Indoor temperature (°FWB)
C Outdoor temperature (°FWB)
D Indoor temperature (°FDB)
Range for continuous operation
Range for pull down operation
Range for warming up operation
1-2 Standard supplied accessories
Name Clamp (1) Clamp (2)
Quantity 9 pcs. 2 pcs.
Shape
Small
Suction gas line
Name piping attached to
unit (2)
Quantity 1 pc.
Shape
Installation of Outdoor Units
〉 〈
Total quantity of indoor units
13 units
16 units
24 units
24 units
24 units
Heating
C
70
60
50
41
40
30
20
10
5
D
40 50 60 70 80 90
Suction gas line
Clamp (3) piping attached
to unit (1)
1 pc. 1 pc.
Large
Discharge gas
Suction gas line
line piping
piping attached to
attached to unit
unit (3)
(1) *
1 pc. 1 pc.
Discharge
gas line pip-
Name
ing attached
to unit (2)
Quantity 1 pc.
〉
Shape
* Use the flare nut attached to the discharge gas stop valve for the
"discharge gas line piping attached to unit" (1).
Refer to figure 21.
Operation manual
1.
Installation manual
Clamp
Attached pipe
2.
1-3 Option accessory
To install the outdoor unit, the following optional parts are also
required.
• Refrigerant branching kit (For R-410A only: Always use
an appropriate kit dedicated for your system.)
for 3 pipes
REFNET header
KHRP25M22T
REFNET joint
for 2 pipes
REFNET header KHRP26M22H
KHRP26M22T
REFNET joint
•
Outdoor unit multi connection piping kit. For R-410A
•
only: Always use an appropriate kit dedicated for your
system.
Number of outdoor units connected
Kit name
∗ To select an optimum refrigerant branching kit, refer to
Section 6. Refrigerant Piping.
Installation
Discharge
gas line pip-
Vinyl tube
ing attached
to unit (3)
1 pc. 1 pc.
- KHRP25M33H KHRP25M72H
KHRP25M33T KHRP25M72T
U
KHRP26M33H KHRP26M72H
KHRP26M33T KHRP26M72T
U
BHFP26M90U
• Operation
manual
• Installa-
tion man-
ual
• Additional
refrigerant
charge
label
2 units
42