9 Technical data
Installation and operation manual
39
SERHQ020~0 SEHVX20~64BAW
Split packaged air-cooled water chiller
4P508019-2B – 2018.01
Main code
Cause
Solution
R410A suction thermistor error (R14T/R24T)
▪ Check wiring connections.
▪ Contact your local dealer.
Reversed power supply phase malfunction
Correct phase order.
Insufficient supply voltage
▪ Check wiring connections.
▪ Contact your local dealer.
Two main user interfaces are connected (when using two
user interfaces)
Check that SS1 of one controller is set to MAIN, and the
other one to SUB. Turn the power supply off, and then back
on.
Type connection problem
▪ Wait until initialization between the indoor unit and
outdoor unit is completed (wait at least 12 minutes after
power ON).
▪ Contact your local dealer.
Address error
Contact your local dealer.
8.1.1
Error codes of the outdoor unit
Heating mode error codes
Error code Solution
recharge
operation
Close valve A immediately and press the TEST
OPERATION button once. The operation will restart
from the charging mode judgement onwards.
charging
aborted
▪ Close valve A immediately. Check following items:
▪ Is the gas side stop valve opened correctly?
▪ Is the valve of the refrigerant tank open?
▪ Are the air inlet and outlet of the indoor unit
obstructed?
▪ Correct the abnormality and restart the automatic
charging procedure.
Cooling mode error codes
Error code Solution
,
,
replace
refrigerant
tank
▪ Close valve A and replace the empty refrigerant
tank. When replaced, open valve A (the outdoor unit
will not stop operating).
▪ The code on the display shows the unit where a
cylinder is to be renewed:
= master unit,
=
slave unit 1,
= slave unit 2, flashing
,
and
= all units
recharge
operation
Close valve A immediately. Restart the automatic
charging procedure.
charging
aborted
▪ Close valve A immediately. Check following items:
▪ Is the gas side stop valve opened correctly?
▪ Is the valve of the refrigerant tank open?
▪ Are the air inlet and outlet of the indoor unit
obstructed?
▪ Correct the abnormality and restart the automatic
charging procedure.
*
abnormal
stop
Close valve A immediately. Confirm the malfunction
code on the user interface and correct the abnormality
by following the information
"7.6 Correcting after
abnormal completion of the test run" on page 38
.
9
Technical data
A
subset
of the latest technical data is available on the regional Daikin website (publicly accessible). The
full set
of latest technical data is
available on the Daikin extranet (authentication required).
9.1
Service space: Outdoor unit
Make sure the space around the unit is adequate for servicing and
the minimum space for air inlet and air outlet is available (refer to the
figure below and choose one of the possibilities).
▪ In case of an installation site where sides A+B+C+D have
obstacles, the wall heights of sides A+C have no impact on
service space dimensions. Refer to the figure for impact of wall
heights of sides B+D on service space dimensions.
▪ In case of an installation site where only sides A+B have
obstacles, the wall heights have no influence on any indicated
service space dimensions.
b
a
c
d
A
C
B
D
a
e
b
d
e
A
C
B
D
2
1
c
a
c
e
b
d
f
A
C
B
D
3
a
c
e
b
b
d
A
C
B
D
4
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