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Test Operation
ESiEN09-06 A
106
Test Operation
[Refrigerant Charging Operation Procedure]
STEP1
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: ...OFF, ...ON,
...Blinking
STEP2
If necessary, set the field setting by using the dip switch on the outdoor unit PC-
board(A1P).
STEP3
• 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 AHU. (*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 page
108.
(*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 AHUs with the power on, see
[How to check how many units are connected] in chapter 1.2.4.1. 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.
STEP4
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.
STEP5
Close the valve A if the “additional charging amount” of refrigerant was charged, and
push the RETURN button (BS3) once.
STEP6
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
LED display
(Default status of shipped)
SERV.
MONI-
TOR
MODE TEST/
HWL
C/H SELECTOR
L.N.O.P DEMA-
ND
MULTI
IND
MASTE
R
SLAVE
HAP
H1P
H2P
H3P
H4P
H5P
H6P
H7P
H8P
Single system
Summary of Contents for ERQ Series
Page 2: ......
Page 16: ...Combination Table ESiEN09 06 A 6 General Information...
Page 17: ...ESiEN09 06 A Specifications 7 1 Specifications 8 1 1 Outdoor Units 8...
Page 33: ...ESiEN09 06 A Function general Function 23 1 2 Operation Mode...
Page 58: ...Outline of Control ESiEN09 06 A 48 Function...
Page 71: ...ESiEN09 06 A Wiring Diagram of Control Box Control Box EKEQ CBV3 61 3 2 F box...
Page 109: ...Test Operation ESiEN09 06 A 100 Test Operation 1 2 2 Turn power on...