ERV+DX coil 
1 
1 Safety Notices (Please Be Sure to Abide Them) 
SPECIAL WARNING: 
(1)  Do not pierce or burn. 
(2)  Do not use means to accelerate the defrosting process or to clean, other 
than those recommended by the manufacturer. 
(3)  Be aware that refrigerants may not contain an odor. 
PROHIBITED: This sign indicates that the operation must be prohibited. 
Improper operation may cause severe damage or death to people. 
WARNING: If not abide them strictly, it may cause severe damage to the 
unit or the people. 
NOTICE: If not abide them strictly, it may cause slight or medium damage 
to the unit or the people. 
OBSERVED:  This sign indicates that the items must be observed. 
Improper operation may cause damage to people or property. 
  WARNING! 
This product can’t be installed at corrosive, inflammable or explosive 
environment or the place with special requirements, such as kitchen. Otherwise, it 
will affect the normal operation or shorten the service life of the unit, or even cause 
fire hazard or serious injury. As for above special places, please adopt special air 
conditioner with anti-corrosive or anti-explosion function. 
 
Please install the
 
unit 
according to the
 
instructions in this
 
manual. Read this
 
manual carefully
 
before starting up or
 
king the
 
machine. 
 
 
Installation should be
 
performed by the
 
distributor or qualified 
technicians.
 
Do not 
install the
 
product by 
yourself.
 
Improper 
installation
 
may result 
in water
 
leakage, 
electric
 
shock or fire 
hazard