Daikin EWAQ016BAW, Инструкция по установке и эксплуатации

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Installation and operation manual
41
EWAQ016~ EWYQ016~064BAW
Packaged air-cooled water chiller
4PW70082-1C – 2013.07
7. M
AINTENANCE
7.1. Important information regarding the refrigerant
used
This product contains fluorinated greenhouse gases covered by the
Kyoto Protocol.
Refrigerant type: R410A
GWP
(1)
value: 1975
(1)
GWP = global warming potential
Periodical inspections for refrigerant leaks may be required
depending on the applicable legislation. Please contact your local
dealer for more information.
7.2. Maintenance activities
In order to ensure optimal availability of the unit, a number of checks
and inspections on the unit and the field wiring have to be carried out
at regular intervals, preferably yearly. This maintenance should be
carried out by your local Daikin technician (see installation manual).
The only maintenance which may be required by the operator is:
■
keeping the remote controller clean by means of a soft damp
cloth,
■
checking if the water pressure indicated on the manometer is
above 1 bar.
7.3. Standstill
8. T
ROUBLESHOOTING
The guidelines below might help to solve your problem. If you cannot
solve the problem, consult your installer.
8.1. Error codes
9. D
ISPOSAL REQUIREMENTS
Dismantling of the unit, treatment of the refrigerant, of oil and of other
parts must be done in accordance with the applicable legislation.
Do not try to dismantle the system yourself: the dismantling of the
system, treatment of the refrigerant, of oil and other parts must be
done by a qualified installer in accordance with the applicable
legislation.
Units must be treated at a specialized treatment facility for re-use,
recycling and recovery. By ensuring this product is disposed off
correctly, you will help to prevent potential negative consequences for
the environment and human health. Please contact the installer or
local authority for more information.
CAUTION
If the supply cord is damaged, it must be replaced by the
manufacturer, its agent or similar qualified persons in order
to avoid hazards.
NOTICE
During longer periods of standstill, e.g. during winter with a
cooling only application and option heater tape installed
(refer to "3.1. Check that you have all optional equipment"
on page 3) DO NOT switch off the power supply to the unit.
Otherwise power supply to the heater tape is cut off and
the piping will freeze.
See "4.5.5. Protecting the water circuit against freezing"
on page 11 if you want to cut off power supply during
winter stand still.
P
OSSIBLE CAUSES
C
ORRECTIVE ACTIONS
No readings on the remote controller
(blank display) • Check if the mains power is still
connected to your installation.
• The benefit kWh rate power
supply is active (see installation
manual).
One of the error codes appears Consult your local dealer.
Refer to the installation manual for a
detailed list of error codes.
The schedule timer does work but
the programmed actions are
executed at the wrong time.
(e.g. 1 hour too late or too early) Check if the clock and the day of the
week are set correctly, correct if
necessary.
The schedule timer is programmed
but does not work. In case the icon is not displayed,
push the button to enable the
schedule timer.
Capacity shortage Consult your local dealer.
Temperature values displayed on the
remote controller (remote controller)
are displayed in °F instead of °C. To change the display back to °C,
push
and buttons
simultaneously for 5 seconds.
Execute same procedure to change
back to the °F display. The default
temperature display is in °C.
Error code Failure cause Corrective action
A1
Failure of writing memory
(EEPROM error) Contact your local dealer.
A6
Malfunction water circuit • Make sure waterflow is
possible (open all valves in
the circuit).
• Force clean water through
the unit.
A9
R410A expansion valve error
(K11E/K21E) • Check wiring connections.
• Contact your local dealer.
AE
Water system warning • Check filter.
• Make sure all valves are
open.
• Contact your local dealer.
AJ
Capacity error Contact your local dealer.
C1
Bad ACS communication Contact your local dealer.
C4
R410A liquid thermistor error
(R13T/R23T) • Check wiring connections.
• Contact your local dealer.
C9
Returning water thermistor
error (R12T/R22T) • Check wiring connections.
• Contact your local dealer.
CA
Heating leaving water
thermistor error (R11T/R12T) • Check wiring connections.
• Contact your local dealer.
CJ
Remote controller thermostat
thermistor error Contact your local dealer.
E3
High pressure error
(SENPH/S1PH) • Make sure the circuit is
filled with water (no air
inside, e.g. is the air purge
open?)
• Make sure water flow is
possible (open all valves in
the circuit).
• Make sure the water filter is
not blocked.
• Make sure all refrigerant
stop valves are open.
• Contact your local dealer.
E4
Low pressure error (SENPL) Contact your local dealer.
J7
R410A suction thermistor
error (R14T/R24T) • Check wiring connections.
• Contact your local dealer.
U1
The phases of the power to
the unit is reversed. Exchange two of the three
phases (L1, L2, L3) to make a
positive phase connection.
U2
Power supply error • Check wiring connections.
• Contact your local dealer.
UA
Type connection problem • Wait till initialisation
between outdoor module
and hydro module finished
(after power ON, wait at
least 12 minutes).
• Contact your local dealer.
UH
Address error Contact your local dealer.
4PWEN70082-1C.book Page 41 Wednesday, September 25, 2013 7:31 AM