Using The Dry Program; About The Dry Program; To Use The Dry Program (Without Cool/Heat Changeover Remote Control Switch); To Use The Dry Program (With Cool/Heat Changeover Remote Control Switch) - Daikin RWEYQ8T9Y1B Installation And Operation Manual

13 Maintenance and service

To adjust
For programming temperature, fan speed and air flow direction refer
to the operation manual of the user interface.
12.3

Using the dry program

12.3.1

About the dry program

▪ The function of this program is to decrease the humidity in your
room with minimal temperature decrease (minimal room cooling).
▪ The micro computer automatically determines temperature and
fan speed (cannot be set by the user interface).
▪ The system does not go into operation if the room temperature is
low (<20°C).
12.3.2 To use the dry program (WITHOUT cool/
heat changeover remote control switch)
To start
1 Press the operation mode selector button on the user interface
several times and select
2 Press the ON/OFF button of the user interface.
Result: The operation lamp lights up and the system starts
operating.
3 Press the air flow direction adjust button (only for double-flow,
multi-flow, corner, ceiling-suspended and wall-mounted). Refer
to "12.4 Adjusting the air flow direction" on page 32
To stop
4 Press the ON/OFF button on the user interface once again.
Result: The operation lamp goes out and the system stops
operating.
NOTICE
Do not turn off power immediately after the unit stops, but
wait for at least 5 minutes.
12.3.3 To use the dry program (WITH cool/heat
changeover remote control switch)
To start
1 Select cooling operation mode with the cool/heat changeover
remote control switch.
1
1
2 Press the operation mode selector button on the user interface
several times and select
3 Press the ON/OFF button of the user interface.
Result: The operation lamp lights up and the system starts
operating.
4 Press the air flow direction adjust button (only for double-flow,
multi-flow, corner, ceiling-suspended and wall-mounted). Refer
to "12.4 Adjusting the air flow direction" on page 32
To stop
5 Press the ON/OFF button on the user interface once again.
Result: The operation lamp goes out and the system stops
operating.
Installation and operation manual
32
(program dry operation).
for details.
(program dry operation).
for details.
NOTICE
Do not turn off power immediately after the unit stops, but
wait for at least 5 minutes.
12.4

Adjusting the air flow direction

Refer to the operation manual of the user interface.
12.4.1

About the air flow flap

Double flow+multi-flow units
Corner units
Ceiling suspended units
Wall-mounted units
For the following conditions, a micro computer controls the air flow
direction which may be different from the display.
The air flow direction can be adjusted in one of the following ways:
▪ The air flow flap itself adjusts its position.
▪ The air flow direction can be fixed by the user.
▪ Automatic and desired position
WARNING
Never touch the air outlet or the horizontal blades while the
swing flap is in operation. Fingers may become caught or
the unit may break down.
NOTICE
▪ The movable limit of the flap is changeable. Contact
your dealer for details. (only for double-flow, multi-flow,
corner, ceiling-suspended and wall-mounted).
▪ Avoid operating in the horizontal direction
cause dew or dust to settle on the ceiling or flap.
12.5

Setting the master user interface

12.5.1

About setting the master user interface

The displays of slave user interfaces show
under centralised control) and slave user interfaces automatically
follow the operation mode directed by the master user interface.
Only the master user interface can select heating or cooling mode.
13 Maintenance and service
NOTICE
Never inspect or service the unit by yourself. Ask a
qualified service person to perform this work.
WARNING
Never replace a fuse with a fuse of a wrong ampere ratings
or other wires when a fuse blows out. Use of wire or
copper wire may cause the unit to break down or cause a
fire.
VRV IV water-cooled system air conditioner
.
. It may
(change-over
RWEYQ8~14T9V1B+RWEYQ8~14T9Y1B
4P452190-1A – 2017.04