Daikin VRV IV-S RXTQ-TAVJU Series Service Manual page 65

SiUS331604E
Program dry operation
Program
∗7
dry display
∗8
OFF
Thermostat status
ON Fan
in L mode after it stops for 6 min.
Fan MF :
Operating in L mode
Electronic
expansion valve
Electronic Closed
20E :
expansion valve
(Option)
Superheated degree control
Drain pump kit
A
∗
7. Program dry display
No set temperature and airflow rate of the
remote controller are displayed.
∗
8. Thermostat status
Set temperature when operating the program
dry mechanism.
a b
Suction air temperature
∗9
Fan Operation
(Option)
Drain
MP
: OFF
pump kit
Aux.
52H
: OFF
electric heater
Humidifier Mu : OFF
No
Swing flap
∗10
Yes
Set wind direction
Swing flap
∗11
Fan MF:
Operating with set airflow rate
Electronic
20E :
expansion valve
Closed
A
∗9. Fan operation
By setting the remote controller to Fan, the fan
will operate with thermostat OFF in set
temperature control operation mode.
∗10. Set wind direction
According to wind direction instruction from the
remote controller, the wind direction is set to
100% horizontal while in heating operation.
∗11. Fan
According to fan speed instruction from the
remote controller, the fan is put into operation
in LL mode while in heating operation.
Functions and Control
MF : Operating
20E :
: OFF after 5-min.
MP
residual operation
(Option)
Aux.
electric heater
Humidifier
Fan
LL operation
Electronic
expansion valve
Closed
∗
12. Wind direction
When the heating thermostat turns OFF, the wind direction will be set to 100% horizontal.
∗
13. Hot start
If the condenser inlet temperature exceeds 34°C (93.2°F) at the time of starting operation or
after the completion of defrost operation, or until 3 minutes pass or Tc is above 52°C (125.6°F),
hot starting will be conducted.
∗
14. Thermostat status
∗
15. Outlet air temperature drop protection
When the set temperature is below 24°C (75.2°F) or the electronic expansion valve opening is
small, the protection will be activated.
Heating Operation
(option)
Drain
MP
pump kit
Swing flap?
∗12
Swing flap
Is
defrost operation in
progress?
Is hot
starting in progress?
DEFROST/HOT START
indicating lamp: OFF
Restart
Yes
prevention operating
in progress?
(4 min.)
Is test run
in progress?
∗14
(1)
Thermostat status
(Option)
Aux.
52H : OFF
electric heater
Mu Mu
: OFF Humidifier
MF
: Fan
Operating with set airflow rate
20E :
A
(3)
–4˚C (24.8˚F) –2˚C (28.4˚F)
Suction air temp.
Outline of Control (Indoor Unit)
: OFF
No
∗12
Yes
Set wind direction
Yes
No
∗13
Yes
No
No
(3)
(2)
(Option)
Aux.
52H
: OFF 52H : ON
electric heater
Mu
: ON Humidifier : ON
Is
∗15
outlet air
Yes
temperature drop protection
in progress?
No
MF MF
: Fan :
Operating in L mode
Electronic expansion valve
20E :
Capacity control
a
(2)
(1)
b
Set temp.
DEFROST/HOT START
indicating lamp: ON
(Option)
Aux.
52H : OFF
electric heater
Mu
Humidifier : OFF
MF
Fan :
Stop
Electronic
20E :
expansion valve
Open
52