Step 6B: To Manually Charge Refrigerant - Daikin VRV IV Q+ Series Installer And User Reference Manual

18.4.7 Step 6b: To manually charge refrigerant

RXYQQ8~20U7Y1B
VRV IV Q+ series heat pump
4P546229-1A – 2020.10
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
problems based on error
Resetting the malfunction can be done by pushing BS1. The procedure can be
restarted from
▪
Aborting the automatic refrigerant charge is possible by pushing BS1. The unit will
stop and return to idle condition.
Perform the test procedure as described in "21 Commissioning" [
The remaining additional refrigerant charge can be charged by operating the
outdoor unit by means of the manual refrigerant charge operation mode:
1 Take all the precautions mentioned in
"21 Commissioning" [
2 Turn on the power of the indoor units and outdoor unit.
3 Activate outdoor unit setting [2‑20]=1 to start manual refrigerant charge
mode. Refer to "Mode 2: Field
Result: The unit will start operation.
4 Valve A can be opened. Charging of remaining additional refrigerant can be
done.
5 When the remaining calculated additional refrigerant amount is added, close
valve A and push BS3 to stop the manual refrigerant charging procedure.
INFORMATION
The manual refrigerant charge operation will automatically stop within 30 minutes. If
charging is not completed after 30 minutes, perform the additional refrigerant
charging operation again.
6 Perform the test procedure as described in "21 Commissioning" [
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
when charging
Resetting the malfunction can be done by pushing BS3. The procedure can be
restarted from
▪
Aborting the manual refrigerant charge is possible by pushing BS3. The unit will
stop and return to idle condition.
codes" [ 4 147] and solve the malfunction accordingly.
"Step 6a: To automatically charge
"20
4
138] into account.
4
settings" [ 126] for details.
4
refrigerant" [ 104] and solve the malfunction accordingly.
"Step 6b: To manually charge
18 Piping installation
|
"24.1 Solving
refrigerant" [ 4 101].
4
138].
4
Configuration" [ 119] and
4
138].
"Error codes
4
refrigerant" [ 103].
Installer and user reference guide
103