Daikin VRV 5-S Series - 20.1.2 Field Wiring Overview

19 | Charging refrigerant
Installer and user reference guide
102
RXYSA4~6A7V/Y1B
VRV 5-S system air conditioner
4P600330-1D – 2023.02
INFORMATION
▪ When a malfunction is detected during the procedure (e.g., in case of closed stop
valve), a malfunction code will be displayed. In that case, refer to "19.6 Error
codes when charging refrigerant"[4102] and solve the malfunction accordingly.
Resetting the malfunction can be done by pushing BS3. You can restart the
"Charging" instructions.
▪ Aborting the manual refrigerant charge is possible by pushing BS3. The unit will
stop and return to idle condition.
10 Open valve A.
11 Charge refrigerant until the remaining determined additional refrigerant
amount is added, and then close valve A.
12 Press BS3 to stop the manual additional refrigerant charge mode.
NOTICE
Make sure to open all stop valves after (pre-) charging the refrigerant.
Operating with the stop valves closed will damage the compressor.
NOTICE
After adding the refrigerant, do not forget to close the lid of the refrigerant charging
port. The tightening torque for the lid is 11.5 to 13.9N•m.
19.6 Error codes when charging refrigerant
INFORMATION
If a malfunction occurs, the error code is displayed on the outdoor unit's 7‑segments
display and on the user interface of the indoor unit.
If a malfunction occurs, close valve A immediately. Confirm the malfunction code
and take corresponding action, "26.3 Solving problems based on error
codes"[4147].
19.7 To fix the fluorinated greenhouse gases label
1 Fill in the label as follows:
b
Contains fluorinated greenhouse gases
2
1
1
1
2
2
kg
tCO
2
eq
GWP × kg
1000
=
=
+
kg
=
kg
=
GWP: XXX
RXXX
a
f
c
d
e
a If a multilingual fluorinated greenhouse gases label is delivered with the unit (see
accessories), peel off the applicable language and stick it on top of a.
b Factory refrigerant charge: see unit name plate
c Additional refrigerant amount charged
d Total refrigerant charge
e Quantity of fluorinated greenhouse gases of the total refrigerant charge
expressed as tonnes CO
2
equivalent.
f GWP = Global Warming Potential