Heat pump 50Hz/R410A _ 46
3. Installation of outdoor unit
Part 3 Design and installation
3.4 Settlement of the outdoor unit
• Anchor the outdoor unit with a bolt and nut tightly and horizontally on a concrete or rigid mount.
• When installing on the wall, roof or rooftop, anchor the mounting base securely with a nail or wire assuming the influence
of wind and earthquake.
• In the case when the vibration of the unit is conveyed to the house, secure the unit with an anti-vibration rubber.
Bolt construction work
Settlement draw of outdoor units
• The ingredients of foundation : Cement : Sand : Gravel for the concrete should 1 : 2 : 4 ratio
• The foundation surface should be finished with mortar.
• The edges of foundation should be rounded.
• A drain passage should be made around the foundation to thoroughly drain water away from the equipment installation
area.
• If installing the outdoor units on the roof, the roof's strength have to be checked.
• Care should be taken for weather - proofing
• Blocking all gaps of outdoor unit, for passing piping and wiring, using sealing material (Field supply)
(Animals and bugs might enter in the machine.)
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