Program Dry Operation - Daikin SUPER MULTI NX CTXS07JVJU Service Manual

SiUS12-928_B
Note: 1. During POWERFUL operation, the fan rotates at H tap + 50 ~ 90 rpm.
2. The fan stops during defrost operation.
COMFORT
CTXS/FTXS-L Series
 The fan speed is controlled automatically within the following steps.
AIRFLOW
Operation
 The latest command has the priority between POWERFUL and COMFORT AIRFLOW.
1.5

Program Dry Operation

Outline
Program dry operation removes humidity while preventing the room temperature from lowering.
Since the microcomputer controls both the temperature and airflow rate, the temperature
adjustment and [FAN] setting buttons are inoperable.
Detail
The microcomputer automatically sets the temperature and airflow rate. The difference between
the room thermistor temperature at start-up and the target temperature is divided into two zones.
Then, the unit operates in an appropriate capacity for each zone to maintain the temperature and
humidity at a comfortable level.
temperature at start-up
(75.2°F (24°C) or more
Function and Control
<Cooling>
L tap ~ MH tap (same as AUTOMATIC)
<Heating>
ML tap ~ MH tap
Room thermistor Target temperature
Room thermistor
temperature at start-up
23.5°C (74.3°F)
18°C (64.4°F)
17.5°C (63.5°F)
Zone B
Y
Thermostat OFF point
X
–
X
X –
–
18°C (64.4°F) X
Zone C = Thermostat ON
Zone A = Thermostat OFF
Thermostat ON point
Y
X – 0.5°C (– 0.9°F)
2.5°C (–4.5°F)
Y + 0.5°C (0.9°F) (zone
B) continues for 10 min.
–
X 0.5°C (– 0.9°F)
2.0°C (–3.6°F)
Y + 0.5°C (0.9°F) (zone
B) continues for 10 min.
X – 0.5°C (– 0.9°F) = 17.5°C (63.5°F)
2.0°C (–3.6°F)
Y + 0.5°C (0.9°F) (zone
B) continues for 10 min.
X
Z
Zone B
0.9°F (+ 0.5°C)
(R11587)
Main Functions
Z
or
or
or
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