Sanyo SGP-E120J2GU2, User Manual

Page: 174 / 175

Water heat exchange unit
H - 24
8. Position of center of gravity and earthquake resistance calculation
(1) Installation fixing position and center of gravity position
1
Position of center of gravity
2
Anchor bolt calculations
●
Evaluation by calculation
Foundation bolt conditions
Total no. of bolts(N
)
N = 㩷 㩷 4 㩷 No.
No.
No.
………..current models have 4 bolts
bolt diameter(D
)
D = 㩷 㩷 10 mm ………..for M10 bolts
bolt cross-sectional area(A
)
A = D
2
/4 = 㩷 79 mm
2
bolts on one side
䋺
short direction(n
1
)
n
1
=
㩷
2
㩷 㩷
………..current models have 2 bolts
㩷 㩷 㩷 㩷 㩷 㩷
long direction(n
2
)
n
2
=
㩷
2
㩷 㩷
………..current models have 2 bolts
The installation method is “embedded J type, JA type bolts”, on a slab 15cm thick.
Foundation bolt allowable short term tensile load(T
a
)
T
a
=
㩷
4,508
㩷
N
(It is also acceptable to decide the installation method after completing the calculation
)
Calculation
Design horizontal magnitude(K
H
)
K
H
= 㩷 1.0 㩷 㩷 ………..installation location:K
H
on roof: 1.0
㩷 㩷 㩷 㩷 㩷 㩷 㩷 㩷 㩷 㩷 㩷 㩷 㩷 㩷 㩷 㩷 㩷 㩷 㩷 㩷 㩷 㩷 㩷 㩷 㩷 㩷 㩷 㩷 㩷 㩷 㩷 㩷 㩷 㩷 㩷 㩷 㩷 㩷 㩷 㩷 㩷 㩷 㩷
on ground:0.4
Operating load(W
)
W =
㩷 㩷
N
(=operating mass×9.8
)
Horizontal earthquake force(F
H
) F
H
= K
H
䊶 W= 㩷 㩷 N
N
㩷 Height of center of gravity(h
)
h
G
= 㩷 mm
Vertical earthquake force(F
V
)
F
V
=F
H
/2= 㩷
1
2
π
Position of fastenings Position of center of gravity
Outdoor unit
type
l
1
l
2
l
G 1
l
G 2
h
G
Product
mass
(kg)
WE80 type
1,040 460
WE170 type
1,040 460
Left side view
l
G1
G
l
1
G
Front view
h h
G
l
G2
l
2
G