14
R
e
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is
ió
n
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5
R
e
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A
N
U
_
V
B
Z
1
6
/0
2
/2
0
1
7
PROBLEM
POSSIBLE SOLUTION
Compressor short cycles
1.- Control differential set too close.
2.- Refrigerant undercharge, check pressure control.
3.- Refrigerant overcharge.
4.- Discharge valve leaking.
5.- Cutting out on high pressure control, if used.
6.- Cutting out on overload protector because if tight bearings struck
piston, high head pressure or restricted air cooled condenser.
Running cycles too long, or
unit operates continuously
1.- Insufficient refrigerant charge.
2.- Dirty or restricted condenser.
3.- Unit location too hot.
4.- Control contacts stuck.
5.- Air or other non-condensable gases in system.
6.- Expansion valve plugged or defective.
7.- Fixture doors left open too long.
8.- Insufficient, defective or water logged insulation.
9.- Evaporated oil logged.
Noisy unit
1.- Compressor oil charge low.
2.- Fan cable on condenser or evaporator bent causing vibrations.
3.- Bearing on evaporator or condenser motors lose or worn.
4.- Tube rattles.
5.- Lose parts on condensing unit.
6.- Case is not level.
Dear user:
You must receive the warranty certificate duly filled out within a maximum period of 20 days
from the purchase date so that the equipment you have just purchased may benefit from the warranty
specified in this document. Otherwise, this warranty manufactures date.
It is very important that you read the attached documentation carefully so that you have full
knowledge of the use and care applicable to your equipment. This being the case, we are sure that you
will be completely satisfied with its operation.
11
WARRANTY