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B
A M10 (3/8") bolt
B Base
C As long as possible.
D Vent
E Set deep in the ground
Min. 650
Min. 350
(mm)
• Be sure to install the unit in a sturdy, level surface to prevent rattling noises during
operation. (Fig. 3-1)
<Foundation speci¿ cations>
Foundation bolt
Thickness of concrete
Length of bolt
Weight-bearing capacity
• Make sure that the length of the foundation bolt is within 30 mm of the bottom
surface of the base.
• Secure the base of the unit ¿ rmly with four-M10 foundation bolts in sturdy loca-
tions.
• Do not block the vent. If the vent is blocked, operation will be hindered and break-
down may result.
• In addition to the unit base, use the installation holes on the back of the unit to
attach wires, etc., if necessary to install the unit. Use self-tapping screws (ø5 × 15
mm or less) and install on site.
600
Min. 360
600
Min. 10
175
175
950
Pipe size (mm)
Thickness (mm)
M10 (3/8")
120 mm
70 mm
320 kg
[6.35 [9.52 [12.7 [15.88 [19.05 [22.2 [25.4 [28.58
0.8
0.8
0.8
1.0
1.0
1.0
1.0
1.0
5
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