Preparing For Installation - Samsung AM MXVAFC Series Installation Manual

Safety precautions
Changes in DVM S (inverter) compare to conventional models that has to noted when installing
f For optimal distribution of the refrigerant, you must use Y-joint as branch joint for connecting outdoor units . (To not use f
T-joint)
f You cannot operate normally if you do not complete the trial operation through outdoor unit key mode . You must use
f
KEY MODE to run trial operation .
f DVM S air conditioner uses R-410A refrigerant . f
f Check the compatibility of other products such as indoor unit, EEV kits etc . which will be connected to DVM S .
f
f Make sure to note that outdoor unit combination is different from DVM PLUS III and IV . f
f The length of maximum piping, level difference, the quantity of connectable indoor units, the installation at the outdoor f
joints and the outdoor unit combinations are different from the conventional models .
f If the pipe length is over 2m(6 . 5 6ft) between outdoor units, make traps to prevent oil stagnation . Oil stagnation may
f
occur when outdoor unit at the end of module stops while other outdoor units are still in operation .

Preparing for installation

Outdoor unit classification
Classification
Appearance
Models
Packaging material disposition
• Safely store or dispose the packaging materials .
CAUTION
- Sharp metals such as nails or wooden material packaging that may break into pieces become a cause for
personal injury .
- Make sure to store or dispose the vinyl type packaging material to keep it out of reach of children . Children
may put them over their face, which is very dangerous since it may lead them to suffocation .
6
Small type
AM080/100/120✴✴✴
Large A type
AM140/160/180/200/220✴✴✴,
AM220MXVAJC
Large B type
AM220MXVAFC,
AM240/260/280/300✴✴✴