•
Twin type
H1
H2
L1
L3
L2
NOTE:
Be certain to install indoor units in
the same room because the combi-
nations are for simultaneous opera-
tion. The lengths after branching
should be equal if possible.
Model name (Outdoor unit)
AOYG72LRLA
AOYG90LRLA
Model name (Indoor unit)
36 kBtu/h × 2
45 kBtu/h × 2
Main pipe diameter
(L1) (Standard)
Liquid
mm (in)
12.70 (1/2)
Gas
25.40 (1)
Branch pipe diameter
(L2, L3) (Standard)
Liquid
mm (in)
9.52 (3/8)
Gas
15.88 (5/8)
Maximum piping length
(L1 + L2 + L3)
m
100*
Minimum piping length
(L1 + L2 + L3)
m
5
Maximum branch piping length
(L2, L3)
m
20
Maximum difference between branch
lengths (L2 to L3)
m
8
Maximum height difference (H1) (Indoor
unit to outdoor unit)
m
30
Maximum height difference (H2) (Indoor
unit to outdoor unit)
m
0.5
*: For the standard pipe diameter
- 181 -
2-2. Piping limitation
2. Pipe design
SYSTEM
DESIGN
SYSTEM
DESIGN
Содержание AUYG18LVLB
Страница 151: ...Part 2 OUTDOOR UNIT SIMULTANEOUS MULTI AOYG72LRLA AOYG90LRLA ...
Страница 181: ...Part 3 SYSTEM DESIGN ...
Страница 333: ...Part 4 OPTIONAL PARTS ...