OWNER’S MANUAL -
REG-81M, 123M
6
Heat Controller, Inc.
Room Air Conditioner with R-410A
Owner’s Manual
6
TO CHANGE TEMPERATURE SETTING:
The fan speed button is used to select the Fan Speed
in four steps: Auto, Low, Med or High. Each time the
button is pressed, the fan speed mode is shifted.
When the unit is operating in Dry mode, the fan speed
is automatically controlled at Low fan speed.
Press or hold either Temp/Timer Up ( ) or Down
( ) button until the desired temperature is seen on
the display. This temperature will be automatically
maintained anywhere between 62°F (17°C) and 86°F
(30°C). If you want the display to read the actual room
temperature, see to “Operate on Fan Only” section.
Owner’s Manual
Room Air Conditioner with R-410A
Heat Controller, Inc.
5
Cooling operation
Outdoor Temp:
64.4-109.4°F (18-43°C) (T
1
Environment)
69.8-125.6°F (21-52°C) (T
3
Environment)
Indoor Temp:
62.6-89.6°F (17-32°C) (T
1
Environment)
62.6-89.6°F (17-32°C) (T
3
Environment)
Heat operation
Outdoor Temp:
23.0-75.2°F (-5-24°C) (T
1
Environment)
19.4-75.2°F (-7-24°C) (T
3
Environment)
Indoor Temp:
32.0-80.6°F (0-27°C) (T
1
Environment)
32.0-86.0°F (0-30°C) (T
3
Environment)
Unit may vibrate and make noise
because of poor wall or window
construction or incorrect installation.
Pinging or Swishing
Droplets of water hitting condenser
during normal operation may cause
pinging or swishing sounds.
Gurgling or hissing noise may
be heard due to refrigerant
passing through evaporator
during normal operation.
UNIT CONTROL
Remote signal receptor
(Electric Heating Models)
NOTE
: Clear Air and/or Follow Me features only apply to certain models. Your
control panel may or may not have there features and display lights.
Check the actual unit you purchased to determine if these options apply.
Heat Controller, Inc.
Room Air Conditioner with R-410A
Owner’s Manual
6
TO CHANGE TEMPERATURE SETTING:
The fan speed button is used to select the Fan Speed
in four steps: Auto, Low, Med or High. Each time the
button is pressed, the fan speed mode is shifted.
When the unit is operating in Dry mode, the fan speed
is automatically controlled at Low fan speed.
Press or hold either Temp/Timer Up ( ) or Down
( ) button until the desired temperature is seen on
the display. This temperature will be automatically
maintained anywhere between 62°F (17°C) and 86°F
(30°C). If you want the display to read the actual room
temperature, see to “Operate on Fan Only” section.
