D Series Modular Air-cooled Scroll Chillers 
10
4 Installation Instructions
4.1 General
Installation should be performed by the skilled technician to guarantee the normal operation and prevent 
malfunctions and please read this manual carefully prior to installation.
The chiller is manufactured, inspected and tested strictly in accordance with the quality control program 
and it will work properly within  the  expected  service  life  as long as its installation, operation  and  service 
follow the instructions covered in this manual, otherwise, it would lead to potential risks.
4.2 Acceptance Check
The user is responsible for organizing personnel to perform the acceptance check at the regulated plate 
of delivery. Checks listed below should be taken as a minimum. 
(1) If all required documents and accessories are provided as per the packing list.
(2) Check the equipment model. 
(3) If the equipment is damaged and all parts are provided.
(4) If refrigerant leaks.
(5) Do not remove the protective cover on the flagon of the shell-and-tube heat exchanger before 
connecting the water tube and check if the water pipe is clean. 
(6) Check if the installation and operation are within the allowable conditions. 
When there is damager or any other question, contact the local sales representative for applicable 
solutions. 
NOTE
• 
After the acceptance check, take necessary protection to the unpacked equipment. Note that it is not 
recommended to unpack the equipment too early to avoid any unexpected damage. 
4.3 Handling and Lifting
Each  unit  will  undergo  a  series  of  strict  factory  inspections  and  tests  to  guarantee  the  expected 
performance  and  quality.  However,  special  attention  should  be  paid  during  handling  and  shipping  to 
prevent the control system and the piping system from being damaged.
It is best to unpack the chiller at the installation location and keep the chiller upward. When the chiller is 
unpacked during handing, please follow the lifting instructions stated below.
(1) Move the chiller by placing  three  levers  1/5  wider  than  the width of the chiller  under  the  base  and 
meanwhile always keep the chiller in balance.
(2) See the gure below for more details.
The expander bar
should be longer
than the width of
the unit
protected by 
flexible materia