Specifications
104
(ii) HPFDO4R-E
30
105
( 450)
( 600)
150
250
400
( 450)
¡Inspection Ports
Inspection port
Inspection port
Service Space
Note (1) If the number of indoor connected units is less than the number of branches, connect in sequence
from the front right side. Tighten securely the flare connectors not in use.
(2) Always attach an accessory strainer at the outdoor discharge gas connection port.
(3) Flow divide controllers cannot be installed upside
down. Install them so that the indoor unit is level.
(4) If space of 400 or more is available above the flow
divide controller (* mark), inspection ports can be
located at the points shown in the figure right.
(Change the position of the relay box.)
(5) Weight: 26kg
(6) Connect an appropriate different diameter adapter
coupling selected from the table below depending
on the capacity of the indoor unit to be connected.
(Use the flare nut attached to the flow divide controller.)
Relay box
Inspection port
Quantity equal
to the number
of branches
Quantity equal
to the number
of branches
Different diameter adapter coupling
For indoor
gas piping
For indoor
liquid piping
For outdoor intake
gas piping
For outdoor dischage
gas piping
For outdoor
liquid piping
1 unit 1 unit 1 unit
ABCDE
OD15.88
ID12.7
ID19.05
OD25.4 OD19.05 OD12.7
ID19.05 ID15.88
ID9.52
OD9.52
ID6.35
Unit: mm
150
550
21
48
25
25319
109 79 79 86105
372
67.5270
65
32.5
No. 1
No. 2 No. 3 No. 4
40 40
110
502298
80 9262
Outdoor refrigerant piping connection port
(intake gas)
φ
28.58 brazing
(Suspension bolt attachment pitch)
Relay box
Suspension bolt position
Accessory intake gas piping (with flange)
Accessory discharge gas piping (with strainer)
Outdoor refrigerant piping connection
port (discharge gas)
φ
19.05 brazing
Outdoor refrigerant piping con-
nection port (liquid)
φ
12.7 flare
(Upon attachment of accessory piping)
Indoor refrigerant piping connection
port (gas)
φ
15.88 flare
Indoor refrigerant piping connection
port (liquid)
φ
9.52 flare
At
φ
9.52 connection, use acces-
sory different-diameter coupling E
[
]
At
φ
15.88 connection, use accessory
different-diameter coupling D
[
]
At
φ
19.05 or
φ
12.7 connection, cut and use
accessory different-diameter coupling A.
[
]
At
φ
6.35 connection, use accessory
different-diameter coupling B
[
]
M10 × 4 bolts
Parts procured locally
[
]
Cut when using
φ
25.4; at
φ
15.88 connection,
use accessory different-diameter coupling C
[
]
196
Upon attachment of
accessory piping
(
)
Indoor connection wiring (length 200)
(with connector)