5
English
G
Install the indoor unit more than 1 meter away from any
antenna or power lines or connecting wires used for tele-
vision, radio, telephone, security system, or intercom.
Electrical noise from any of these sources may affect
operation.
G
install in a sturdy manner to avoid increased operating
noise.
Table 3
* If total tubing length becomes 45 to 60 m (max.) or 45 to 70 m (max.), charge additional refrigerant (R410A) by 20 g/m.
No additional charge of compressor oil is necessary.
2-2. Connecting Indoor Units
(1) Connecting indoor unit for GRF148MR5I
ø12.70
Union
ø9.52
Flare
A joint for connecting tubes of
different sizes
(ø9.52 ø12.70) Supplied Reducer
ø9.52
ø6.35
ø12.70
ø6.35
ø9.52
B
ø9.52
A
Outdoor unit
Indoor unit
(
MC(P)AF78/98/128-70/90/120MR5I
)
(MC
(P)
AF188
-180
R5I)
ø9.52
ø6.35
ø9.52
ø6.35
ø9.52
B
ø9.52
A
Outdoor unit
Indoor unit
(
MC(P)AF78/98/128-70/90/120MR5I
(
MC(P)AF78/98/128-70/90/120MR5I
(A)
(B)
Max. Allowable
Max. Allowable Total
Limit of
Limit of Elevation
Required Amount
Tubing Length
Tubing Length Total
Tubing Length
Difference
of Additional
Model
per unit
at shipment
(L1+L2) or (L1+L2+L3)
(H1, H2, H3, H4)
Refrigerant
(m)
(L1+L2) or (L1+L2+L3)
or (L1+L2+L3+L4)
(m)
(g/m)
*
or (L1+L2+L3+L4)
(m)
(m)
GRF148
20
30 (L1+L2)
30 (L1+L2)
15
–
GRF198
25
45 (L1+L2)
45 (L1+L2)
15
–
GRF248
25
45 (L1+L2+L3)
60 (L1+L2+L3)
15
GRF318
30
45 (L1+L2+L3+L4)
70 (L1+L2+L3+L4)
15
20
(2) Connecting indoor unit for GRF198MR5I
unit: mm
Fig. 4b
Fig. 4c
ø9.52
ø6.35
ø9.52
ø6.35
ø9.52
B
ø9.52
A
Outdoor unit
Indoor unit
(MC
(P)
AF78/98/128
-70/90/120
MR5I)
(
MC(P)AF78/98/128-70/90/120MR5I
)
Fig. 4a
Содержание GRF148MR5I
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