Step 11 Connecting The Drain Hose To The Outdoor Unit - Samsung AJ NCJ2EG Series Installation Manual

Calculating the quantity of refrigerant to add
Do not add refrigerant regardless of installation
conditions.
In both cases, when you use a pipe longer or shorter than
the length specified in the piping codes and standard, do
not add refrigerant.
Total connecting
Model
pipe length (L)
LT≤30m
AJ040NCJ2EG
LT≥30m
AJ050NCJ2EG
CAUTION
• The filled-out label must be adhered in the proximity
of the product charging port (e.g. onto the inside of the
stop valve cover).
• If more than the amount of refrigerant specified on the
label is charged, a fire may occur when the refrigerant
leaks.
Charging the refrigerant under conditions of
liquid by using a liquid pipe
R-32 is a mixed type of refrigerant. It is necessary for
recharging under conditions of liquid. When recharging
refrigerant from the refrigerant cylinder to the
equipment, follow the instructions below.
• Before recharging, check whether the cylinder has
a siphon or not. There are two ways to recharge the
Adding refrigerant
refrigerant.
DO NOT CHARGE
DO NOT CHARGE
Cylinder with siphon
Charge the refrigerant standing the
• If R-32 refrigerant is charged with gas, the composition
of the charged refrigerant changes and the
characteristics of the equipment vary.
• During the measuring operation of refrigerant quantity
added use an electronic balance.If cylinder doesn't
have syphon, upset it.
Step 11 Connecting the drain hose to
the outdoor unit
When heating, ice may accumulate. During the process of
defrosting, check if condensation draining is adequate.
For adequate draining, do the following :
1 Insert the drain plug into the drain hole on the
underside of the outdoor unit.
2 Connect the drain hose to the drain plug.
3 Ensure that condensation draining is adequate.
siphon
Charge the refrigerant turning the
cylinder upright.
NOTE
Cylinder without siphon
cylinder upside down.
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