Performing Leak Tests; Connecting The Drain Hose To The Outdoor Unit - Samsung AC030JXADCH Installation Manual

Performing leak tests

LEAK TEST WITH NITROGEN (before opening valves)
In order to detect basic refrigerant leaks, before recreating the vacuum and
recirculating the R-410A, it's responsable of installer to pressurize the whole
system with nitrogen (using a cylinder with pressure reducer) at a pressure
above 40 bar (gauge) .
LEAK TEST WITH R-410A (after opening valves)
Before opening valves, discharge all the nitrogen into the system and create
vacuum . After opening valves check leaks using a leak detector for refrigerant
R-410A .
Once you have completed all the connections, check for possible leaks using
leak detector specifically designed for HFC refrigerants .
To check for gas leaks on the Outdoor
unit

Connecting the drain hose to the outdoor unit

When using the air conditioner in the heating mode, ice may accumulate . During de-icing (defrost operation), the
condensed water must be drained off safely . Consequently, you must install a drain hose on the outdoor unit, following the
instructions below .
1 . Make space more than 3 . 1 5 inch between the bottom of the outdoor unit and the ground for installation of the drain
hose, as shown in figure .
2 . Insert the drain plug into the hole on the underside of the outdoor unit .
3 . Connect the drain hose to the drain plug .
4 . Ensure that the drained water runs off correctly and safely .
3 . 1 5 inch
5 . Be sure to plug the rest of drain holes not connected with drain plugs using drain caps .
DRAIN CAP(5EA)
DRAIN PLUG(2EA)
❋ ❋ When installing the product, make sure that the rack is not placed under the drain hole .
❋ ❋ If the product is installed in a region of heavy snow, allow enough separation distance between the product and the
ground .
4way Outdoor_북미향_IM_EN_DB68-05152A-00_CS6.indd 23
Then, using a leak detector, check the
Valves on sections A and B .
0 . 5 1 inch
B(Liquid)
❋ ❋ The designs and shape are subject to
change according to the model .
2015-01-05 오후 5:00:47
A(Gas)
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