Unit installation
HARBOR POINT WALL SPLIT DUCTLESS SYSTEMS
Basic Operation Characteristics
cold air into the room until heat exchanger 
15° F. If so, operation will not resume until the 
forms defrosting automatically. 
are very high. It will disappear with the lower- 
lating inside the unit. 
tion of plastics. 
cleared. Operate the remote controller again 
time with the high humidity, moisture may 
35 
Pr
oblem
Cause 
The unit can not be restarted just after 
shut down. (RUN light is on) 
Restart is delayed for 3 minutes after shut 
down to protect the unit. 
Three-minute protection timer incorporated 
in the microcomputer actuates automatically. 
Except when power is connected, this function 
does not actuate. 
Air does not blow out at starting of heat- 
ing operation. 
Air circulation is stopped to prevent blowing 
warms up. ( 2 to 5 min ) 
Heat pump system ceases operation in 
heating mode. 
Check to see if outdoor temperature is below 
outdoor temperature rises above 17° F. 
Air is not blown out for 6 to 12 min, at 
heating operation. 
When outdoor temperature is low and 
humidity is high, the unit sometimes per- 
Please wait. During defrosting, water or steam 
may be seen coming from the outdoor unit. 
Air is not blown out at DRY operation. 
Indoor fan is sometimes stopped to prevent 
vapor of dehumidified moisture and save 
energy . 
Mist is blown out at COOL operation. 
This phenomenon sometimes occurs when 
the temperature and humidity of the room 
ing of the temperature and humidity. 
Noise or cracking sound. 
This is caused by the refrigerant that is circu- 
Noise is heard (cracking sound). After a 
power outage or after disconnecting the 
power supply plug. 
This is caused by heat expansion or contrac- 
Operation can not be restarted even if 
the power is restored. 
The memory circuit of the microcomputer is 
to restart the operation. 
Remote control signals are not received. 
Remote control signals may not be re- 
ceived when signal receiver on the air con- 
ditioner body is exposed to direct sunlight 
or strong lighting. Interrupt the sunlight or 
dim the lighting. 
Moisture may form on the air outlet 
grilles. 
If the unit is operated for a long period of 
form on the air outlet grilles and drip down . 










