LG MULTI V ARWN80LA2 Product Data page 4

2. Step by Step
(1) Calculate or obtain the maximum heat load for the area(s) to be air conditioned
(2)
Decide the indoor unit specifications
Decide the outside unit specifications
Capacity coefficient factor
Decide the air velocity and temperature distributions
Decide the cooling tower specifications
Decide the boiler specifications
Decide the water pump specifications
Selection of refrigerant pipe joints and headers
(3)
Selection of water pipe joints and headers
(4) Selection of the control system
Control wiring method
Description of devices
(5) Electrical wiring
Electric characteristics
Field wiring
• Air conditionerss should not be installed in areas where corroslve gases, such as acid or
alkaline gas, are produced.
Introduction
System Selection Process