Daikin RYYQ8U7Y1B, Инструкция по установке и эксплуатации

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17 | Piping installation
Installer and user reference guide
102
RYYQ+RYMQ+RXYQ
VRV IV+ heat pump
4P546228-1C – 2021.11
"
t23
" is flashing
• Push BS2 within 5 minutes
• Open valve A
("
t22
" startup control)
("
t23
" waiting for stable heating)
"
t03
" is flashing
• Push BS2 within 5 minutes
• Open valve A
("
t02
" startup control)
("
t03
" waiting for stable cooling)
Display show "
t23
" and low pressure value with an interval of 1 second.
• Add additional refrigerant amount P (kg)
• Close valve A
• Push BS3 to stop operation
• Ending code "
t26
" will appear
Display show "
t03
" and low pressure value with an interval of 1 second.
Refrigerant will be charged automatically.
"
pe
"=charging nearly finished
"
p9
"=charging finished
OR
P (kg) was added during autocharge.
R=Q+P
• Push BS2
• T
A
check will be performed
• Close valve A
• Push BS1 to leave program
• Charging is finished
• Fill in the amount on the additional refrigerant charge label
• Input the additional refrigerant amount via setting [2-14]
• Go to test run
If following codes appear:
"
e-2
" (indoor temperature out of range) and
"
e-3
" (outdoor temperature out of range)
In this case, perform automatic charging procedure again.
• "
t0
X" will appear
• Push BS1
• Charging is finished
• Fill in the amount on the
additional refrigerant charge
label
• Input the additional refrigerant
amount via setting [2-14]
• Go to test run
Following codes appear:
"
e-2
" (indoor temperature out of
range) and
"
e-3
" (outdoor temperature out of
range)
• Push BS1 to leave program
• Charging is finished
• Fill in the amount on the
additional refrigerant charge
label
• Input the additional refrigerant
amount via setting [2-14]
• Go to test run
During grey conditions
<< Continuation of previous page
Heating charging Cooling charging
17.4.5 To charge refrigerant
Follow the steps as described below and take into account whether you want to
use the automatic charge function or not.
Pre-charging refrigerant
1 Calculate the additional amount of refrigerant to be added using the formula
mentioned in
"17.4.3 To determine the additional refrigerant amount" [ 4 97].
2 The first 10 kg of additional refrigerant can be pre-charged without outdoor
unit operation.