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Water pipe installation
Securing water storage
Minimum water storage
Chilled/
heating
water pump
If the length of water pipe is too short, water storage
within the system becomes lower and ON/OFF
operation of the compressor occurs more often. For
stable operation, maintain certain water storage by
applying header or Buffer tank.
CAUTION
When installing tank, inlet pipe of the tank must be
installed under the water level.
If total water storage becomes under the minimum
storage, install another tank to retain more water
storage.
- In case of variable flow system, retain certain
amount of water by bypass pipe system.
Model name
AG042KSV Series
AG056KSV Series
AG070KSV Series
NOTE
Total water storage in the system = water storage
within the water pipe + water storage in DVM
CHILLER + water storage in AHU (or fan coil)
Minimum capacity of buffer tank = Minimum
water storage - Total water storage in the system
excluding buffer tank
Select the capacity of buffer tank according to
system installation condition of the field.
Water amount within the DVM CHILLER: AG042 ✴✴✴ ,
AG056 ✴✴✴ : 12liter / AG070 ✴✴✴ : 15.3 liter
26
English
Buffer tank
Fan coil
Minimum water storage (L)
294
392
490
Water pipe installation
Connecting water pipe
Companion flange is not supplied. Use field supplied
one in DIN standardized product.
When connecting the water pipe, use companion
flange and bolt made of SUS304, DIN PN10
standardized product.
Maintain the tightening torque for flange as the table.
Water pipe
Allowable torque for
size
flange (N·m)
40 A
6.8
50 A
12.7
Size
D
40
150
DIN PN10
50
165
G
f
d
88
3
44.5
DIN PN10
102
3
57
Chilled/heating water inlet
Chilled/heating water outlet
Flange
Material of
gasket
EPDM
EPDM
D
C
G
d
t
W.N.
Slip-On
Blind
16
16
16
18
18
18
Bolting
Diameter of
C
Bolt size
holes
110
18
4-M16
125
18
4-M16
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