Safety Precaution - Haier CA0070AANB Installation & Operation Manual

Air cooled module water chiller
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5.3 Unwrap the packaging
After putting the unit on the site, cut the packing strap and remove the outer crate. Unscrew the tightening
bolt and remove the wood pallet from the bottom of the unit.
5.4Selection of Installation Place
5.4.1 The installation place shall be plane, the foundation surface shall be flat, and the supporting surface
can bear the operating weight of the unit.
5.4.2 The unit shall not be installed in a place where there is too much dust, corrosive gas, high humidity or
insects gathers easily, fallen leaves and other contaminative matters.
5.4.3 There shall be over 1.5m space around the unit to be convenient for ventilation and maintenance.
5.4.4 Try to keep the unit away from sunshine and rain, it is recommended to cover the unit with shed, but
be sure there is a space over 3m above the air outlet for releasing heat easily.
5.4.5 An anti-vibration cushion about 10-20mm shall be equipped between the unit and the foundation.
After adjusting length, fasten the anchor bolt.
5.4.6 For the heat pump unit, there shall be a drain for the condensate.
5.4.7 The installation and thermal insulation of the water pipes of the air conditioning system shall be
designed and instructed by the professionals and shall implement the relevant regulations of the Installation
Standard for HV & AC.
5.4.8 The external water pipe system must be equipped with anti-vibration hose, water filter, electronic
water cleaner, check valve, drain valve, discharging valve, stop valve and expansion tank, etc. The
expansion tank shall be installed 1-1.5m higher than the system top, and its capacity is about 1/10 of the
total water amount of the system. The air release valve shall be installed between the top of the system and
the expansion tank, and the water tank and the pipe shall be thermal insulated.
5.4.9 The water supply system must match the water pump with proper water flow and proper head to
ensure the supply for the unit normally.
5.4.10 The unit must be equipped with a water filter in front of the water inlet pipe and use the mesh with
16~40-mesh filter.
5.4.11 The anti-vibration hose must be used between water pump and unit, between water pump and water
pipe of system. At the same time, the pipes and the water pump shall have bracket to prevent the unit from
receiving force.
5.4.12 leaning and heat preservation of system must be done before connecting the pipe with the unit.
5.4.13 Recommend that maintemance space among units should be over 400mm.
6.Safety Precautions
6.1The system pressure and electric parts will cause danger to the installation and maintenance of the air
conditioner, so only the authorized personnel with qualification can perform the installation, operation and
maintenance of the air conditioner.


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