To Connect Appropriate Measures For Appliances Filled With Co₂ - Daikin FXFN50A2VEB Installer And User Reference Manual

18.3 To connect appropriate measures for appliances filled with CO₂
FXFN50~112A2VEB
CO₂ Conveni-Pack: indoor unit
4P677925-1 – 2021.07
▪ Setting master unit (Cooling/Heating masterhood). In case of group control,
connect the user interface wiring directly to the master unit. Do not connect user
interfaces directly to slave units. Slave units are restricted in their operation by
the master unit (e.g. 1 outdoor unit does not allow for 1 indoor unit to run in
cooling operation while another runs in heating operation). For setting using the
user interface, refer to the manual or reference guide of the user interface.
INFORMATION
In case of group control, it is not necessary to assign a group address to the indoor
unit. The group address is automatically set when the power is turned on.
Appropriate measures are field supplied. For details on how to connect wiring to
the appropriate measures, refer to the documentation of the used appropriate
measures.
1 Determine the minimum number of appropriate measures for the room in
accordance with
4
refrigerant" [ 50].
2 Connect the appropriate measures to the indoor unit terminal block, symbols
T1, T2.
3 If the CO refrigerant leak detector is installed, enable the function for
2
refrigerant leak detection as described in
a
P1 P2 F1 F2 T1 T2
b
P1 P2
a
P1 P2 F1 F2 T1 T2
b
P1 P2
a
P1 P2 F1 F2 T1 T2
b
P1 P2
18‒1 Example of appropriate measures connection layout for one room
a Terminal strip on the indoor unit
b Terminal P1/P2 on the user interface
c Control panel (field supply)
d CO refrigerant leak detector (field supply) in combination with a safety alarm (field
2
supply)
e Ventilation (natural or mechanical) (field supply)
f Shut-off valves (field supply)
"16.1.2 Additional installation site requirements for CO₂
c
18 Electrical installation
|
4
"20.1 Field setting" [ 74].
d
e
f
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