Design Technical Manual

Table Of Contents
z
Example (Individual connection)
76°F
80°F
74°F
84°F
68°F
Away
Custom
Auto
Auto
Cool
Heat
Office
Set Temp.
Mode
MenuStatus
Vacation
Fan
Fri 10:00AM
Room Temp.
Cool
Heat
83˚F
(27.5˚C)
84˚F
(28˚C)
89˚F
(31˚C)
Direct digital
controller
Thermistor
Thermistor
Ventilator
Indoor
Temperature
Set
Temperature
Outdoor
Temperature
Output: Cooling thermostat ON
Output : OFF (Cooling thermostat OFF)
Input : VRF cooling control
Input : ON
(VRF cooling OFF)
84˚F
(28˚C)
84˚F
(28˚C)
76°F
80°F
74°F
84°F
68°F
Away
Custom
Auto
Auto
Cool
Heat
Office
Set Temp.
Mode
MenuStatus
Vacation
Fan
Fri 10:00AM
Room Temp.
Cool
Heat
76°F
80°F
74°F
84°F
68°F
Away
Custom
Auto
Auto
Cool
Heat
Office
Set Temp.
Mode
MenuStatus
Vacation
Fan
Fri 10:00AM
Room Temp.
Cool
Heat
85˚F
(28.5˚C)
88˚F
(30˚C)
85˚F
(28.5C)
82˚F
(27˚C)
Indoor
Temperature
Indoor
Temperature
Set
Temperature
Set
Temperature
Outdoor
Temperature
Outdoor
Temperature
Output: ON (Cooling thermostat ON)
Output: ON (Cooling thermostat ON)
Input : ON
(VRF cooling OFF)
Input : OFF
(VRF cooling ON)
Operation status
Outdoor temp. < Indoor temp. : ON
Set temp. + 0.F (+ 0.5°C)
Set temp. - 0.F (- 0.5°C)
Outdoor temp. > Indoor temp. : OFF
OFF
OFF
OFF
ON
ON
ON
Signal detected by
external controller
[VRF cooling OFF]
(EXT.IN2)
Cooling thermostat ON
(EXT.OUT)
EEV
Fan (49-01)
Indoor
unit
Indoor
temp.
- (08 - 25) -
EXTERNAL INPUT
& OUTPUT
EXTERNAL INPUT
& OUTPUT