Daikin VRV IV-S RXTQ-TAVJU Series Service Manual page 70

Outline of Control (Indoor Unit)
6.3.3 Thermostat Control with Operation Mode Set to "AUTO"
When the operation mode is set to "AUTO" on the remote controller, the system will conduct the temperature
control shown below.
Furthermore, setting changes of the differential value (D) can be made refering to page 80 and later (Field
Setting from Remote Controller).
First code
Mode No.
No.
12
57
Contents of setting
Differential value while in "AUTO"
4
operation mode
Set heating temperature
Heating thermostat OFF
Heating thermostat ON
(Ex.) When automatic cooling temperature is set to 27°C (80.6°F):
Differential value: 0°C (0°F)
Set cooling/ heating temp.
25°C
(77°F) (80.6°F)
Heating mode
Differential value set to 1°C (1.8°F)
Set heating temp. Set cooling temp.
26°C
(78.8°F)
24.5°C
(76.1°F)
Heating mode
Differential value set to 2°C (3.6°F)
Set heating temp. Set cooling temp.
25°C
(77°F)
24°C
(75.2°F)
Heating mode
Differential value set to 3°C (5.4°F)
Set heating temp. Set cooling temp.
24°C
(75.2°F)
23.5°C
(74.3°F)
Heating mode
01
0°C 1°C
0°F 1.8°F
Set cooling temperature
(A – D)
D
Display change
Cooling → Heating
Display change
Heating → Cooling
3°C (5.4°F)
D
( + 2)°C
2
D
( + 3.6)°F
2
27°C 30°C
(86°F)
Cooling mode
Control temp.
27°C 29°C
Cooling
(80.6°F) (84.2°F)
mode
Control temp.
27°C 28°C
Cooling
(80.6°F) (82.4°F)
mode
Control temp.
27°C
(80.6°F)
Cooling mode
Control temp.
Second code No.
02 03 04 05
2°C 3°C 4°C
3.6°F 5.4°F 7.2°F
A
Cooling thermostat ON
Cooling thermostat OFF
Differential value set to 4°C (7.2°F)
Set heating temp. Set cooling temp.
23°C 26°C 27°C
(73.4°F) (78.8°F) (80.6°F)
Cooling mode
Control temp.
Heating mode
Differential value set to 5°C (9°F)
Set heating temp.
Set cooling temp.
22°C 22.5°C 25°C 27°C
(71.6°F) (72.5°F) (77°F) (80.6°F)
Cooling mode
Control temp.
Heating mode
Differential value set to 6°C (10.8°F)
Set heating
Set cooling temp.
temp.
22°C 24°C 27°C
(71.6°F) (75.2°F) (80.6°F)
21°C Cooling mode
(69.8°F)
Control temp.
Heating mode
Differential value set to 7°C (12.6°F)
Set heating Set cooling temp.
temp.
21.5°C 23°C 27°C
(70.7°F) (73.4°F) (80.6°F)
20°C
Cooling mode
(68°F)
Control temp.
Heating mode
SiUS331604E
06 07 08
5°C 6°C 7°C
9.0°F 10.8°F 12.6°F
: Factory setting
Functions and Control