System Layout - Daikin RWEYQ8T9Y1B Installer And User Manual

13.1

System layout

Heat recovery system
1
b
c c
a
e f
m
k k
3
d
e e
k k
5
c
e
g
l k
a Unit
b Refrigerant piping
c BS unit
d Multi BS unit
e VRV DX indoor unit
f LT Hydrobox unit
g Cooling only VRV indoor unit
h HT Hydrobox unit
i EKEXV kit
j AHU
k User interface
l Wireless user interface
m Water system connection
Heat pump system
i
b
c d c
a
g g
j
a Unit
b Refrigerant piping
c VRV DX indoor unit
d LT Hydrobox unit
e BP box (required to connect Residential Air (RA) or Sky Air
(SA) direct expansion (DX) indoor units)
f Residential Air (RA) direct expansion (DX) indoor units
g User interface
h Wireless user interface
i Cool/heat changeover remote control switch
j Water system connection
RWEYQ8~14T9V1B + RWEYQ8~14T9Y1B
VRV IV water-cooled system air conditioner
4P452191-1 – 2017.04
2
c
e h
l k
4
c c
i
j
e
k k
e c c
f
g g g
h
Water system
b
a
d
c
e
a Unit
b Connection to refrigerant system
c Water piping
d Dry cooler
e Brine loop
f Closed cooling tower
g Boiler
14 User interface
CAUTION
Never touch the internal parts of the controller.
Do not remove the front panel. Some parts inside are
dangerous to touch and appliance problems may happen.
For checking and adjusting the internal parts, contact your
dealer.
This operation manual will give a non-exhaustive overview of the
main functions of the system.
Detailed information on required actions to achieve certain functions
can be found in the dedicated installation and operation manual of
the indoor unit.
Refer to the operation manual of the installed user interface.
15 Before operation
WARNING
This unit contains electrical and hot parts.
WARNING
Before operating the unit, be sure the installation has been
carried out correctly by an installer.
CAUTION
It is not good for your health to expose your body to the air
flow for a long time.
CAUTION
To avoid oxygen deficiency, ventilate the room sufficiently
if equipment with burner is used together with the system.
CAUTION
Do not operate the system when using a room fumigation-
type insecticide. This could cause the chemicals to
become deposited in the unit, which could endanger the
health of those who are hypersensitive to chemicals.
This operation manual is for the following systems with standard
control. Before initiating operation, contact your dealer for the
operation that corresponds to your system type and mark. If your
installation has a customised control system, ask your dealer for the
operation that corresponds to your system.
Operation modes (depending on indoor unit type):
▪ Heating and cooling (air to air).
14 User interface
f g
Installer and user reference guide
47