263
FDTN-H
Piping specification
Maximum one way length
FDC208, 258 : L=30 m or less
FDC308~508 : L=50 m or less
Height difference
¡
When the position of outdoor unit is higher than that of
the indoor unit, keep the difference H=30 m or less
(FDC208, 258 : H=20 m or less.).
¡
When the position of outdoor unit is lower than that of
the indoor unit, keep the difference H=15 m or less.
Heavier on
the right side
(b) Moving
1)
The unit is heavier on the right side looking from the front of unit
(discharge air port side). Therefore, sufficient caution is required for
the person who carries the right side of unit. The person who carries
the left side must hold the handle of front panle and the conner pillar
with both hands.
(c)
Bolt securing position
Unit : mm
Conner
pillar
Outdoor unit model
Gas pipe
Liquid pipe
FDC208
ø 15.88
×
t1.0
ø 6.35
×
t0.8
FDC258, 308
ø 15.88
×
t1.0
ø 9.52
×
t0.8
FDC408, 508
ø 19.05
×
t1.0
ø 9.52
×
t0.8
Indoor unit
Outdoor unit
(b) Piping work
Request
¡
Use the pipe made of following material. Moreover, it is very convenient for you to use the separately sold piping kit.
Material: Phosphor deoxidized seamless copper tube (C1220T, JIS H3300)
¡
In the case of this unit, condensation water is also generated on the liquid piping. Insulate both of the liquid piping and
gas piping perfectly.
¡
In the case of heat pump type unit, the maximum temperature of the gas piping reaches approx. 120˚C, therefore use the
insulation material which has sufficient heat resistance.
¡
When bending the pipe, bend it with large radius as much as possible. Do not bend the same portion of pipe repeatedly.
1)
To install the unit, secure the legs of unit by below mentioned bolts without fail.
2)
Limit the protrusion height of front side anchor bolts to 15 mm at the maximum.
3)
Install the unit firmly so that it does not fall by earthquake and strong wind.
4)
Make the concrete foundation by referring the above illustration.
5)
Install the unit in level. (The height difference between right and left is within 30 mm.)
(3)
Refrigerant piping work
Select the piping specification to fit the specification of Indoor unit and installation location.
(a) Decision of piping specification
Bury the foundation deeper
into the ground.
Make the found-
ation wider.
Secure with bolts.
(M10 to 12)
Item
Model
FDC208
FDC258, 308
FDC408, 508
A
150
150
165
B
150
150
175
C
380
330
380
Anchor bolt position
(4 places)
Intake
Discharge
Summary of Contents for FDT208HEN-S
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