Daikin RXYQ10PY1 [283/487] 7 7 4 7 7 7 7 4

Daikin RXYQ18PY1 [283/487] 7 7 4 7 7 7 7 4
ED34-645B Additional Refrigerant Charge and Check Operation
Installation of Outdoor Units 675
15
[Refrigerant Charging Operation Procedure]
(1) Open the liquid and gas side shutoff valves (The valve A~C must be closed. The valve A~C means the valves in
the figure 33.)
[Display of normal system]
LED display:
7
...OFF,
4
...ON,
5
...Blinking
(*)How to distinguish the master unit, sub unit 1, and sub unit 2 in the multi system.
Method 1: By the H8P (MULTI) LED display
Method 2: By the transmission wiring to indoor unit
(2) If necessary, set the field setting by using the dip switch on the outdoor unit PC-board (A1P).
(For how to set, see “12-1 Onsite Settings With the Power Off”)
(3) Close the EL. COMPO. BOX lid and all front panel except on the side of the EL. COMPO. BOX (*1) and turn the
power to the outdoor unit and all connected indoor units. (*2)
After H2P stop blinking (about 12 minutes after turning on the power), check LED displays as shown in the table
[Display of normal system] and the system is normal state.
If H2P is blinking, check the malfunction code in the remote controller, and correct the malfunction in
accordance with [Remote controller display malfunction code] in step 5.
(*1)Lead the refrigerant charge hose etc. from the pipe intake. All front panels must be closed at the procedure (9).
(*2) If you perform the refrigerant charging operation within the refrigerant system that have the power off unit, the
operation cannot finish properly.
For confirming the number of the outdoor and indoor units with the power on, see [How to check how many
units are connected] in chapter 11-1. In case of a multi system, turn on the power to all outdoor units in the
refrigerant system.
To energize the crankcase heater, make sure to turn on for 6 hours before starting operation.
(4) Start the additional refrigerant charge operation.
(About the system settings for additional refrigerant charge operation, refer to the [Service Precaution] label
attached on the EL. COMPO. BOX lid in the outdoor unit.)
Open valve A immediately after starting the compressor.
(5) Close the valve A if the “additional charging amount” of refrigerant was charged, and push the RETURN button
(BS3) once.
(6) Record the charging amount on the accessory “REQUEST FOR THE INDICATION” label and attach it to the back
side of the front panel.
5. After completing the additional refrigerant charging perform the check operation following below.
For check operation, the following work will be performed.
Check of shutoff valve opening
Check of miswiring
Judgment of piping length
Check of refrigerant overcharge
It takes about 40 minutes to complete the check operation.
LED display
(Default status of shipped)
SERV.
MONI-
TOR
MODE
TEST/
HWL
C/H SELECTOR
L.N.O.P
DEMA-
ND
MULTI
IND
MASTER
SLAVE
HAP H1P H2P H3P H4P H5P H6P H7P H8P
Single system
577477777
Multi system(*)
Master unit
577477774
Sub unit 1
577777775
Sub unit 2
577777777
4
(ON): Master unit
5
(Blinking): Sub unit 1
7
(OFF): Sub unit 2
Transmission wiring is connected: Master unit
Transmission wiring is not connected : Sub unit 1 or Sub unit 2
Note

Содержание

Скачать