Daikin EWAA004D2V3P-H, Operation Manual

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9 Disposal
Operation manual
18
EWAA004~008D + EWYA004~008D
Packaged air-cooled water chillers
and packaged air to water heat pumps
4P688015-1C – 2022.09
Possible cause Corrective action
Unit is damaged. See "8.1 To display the help text
in case of a malfunction" [
4
17].
INFORMATION
When the backup heater takes over the heat load,
electricity consumption will be considerably higher.
8.5 Symptom: The system is making
gurgling noises after
commissioning
Possible cause Corrective action
There is air in the system. Purge air from the system.
(a)
Incorrect hydraulic balance. To be performed by the installer:
1 Perform hydraulic balancing
to assure that the flow is
correctly
distributed
between the emitters.
2 If hydraulic balancing is not
sufficient, change the pump
limitation settings ([9-0D]
and [9-0E] if applicable).
Various malfunctions.
Check if or is displayed
on the home screen of the user
interface. See
"8.1 To display the
help text in case of a
malfunction"
[
4
17] for more
information about the
malfunction.
(a)
We recommend to purge air with the air purge function of the unit
(to be performed by the installer). If you purge air from the heat
emitters or collectors, mind the following:
WARNING
Air purging heat emitters or collectors. Before you
purge air from heat emitters or collectors, check if or
is displayed on the home screen of the user interface.
▪ If not, you can purge air immediately.
▪ If yes, make sure that the room where you want to
purge air is sufficiently ventilated. Reason: Refrigerant
might leak into the water circuit, and subsequently into
the room when you purge air from the heat emitters or
collectors.
9 Disposal
NOTICE
Do NOT try to dismantle the system yourself: dismantling
of the system, treatment of the refrigerant, oil and other
parts MUST comply with applicable legislation. Units
MUST be treated at a specialised treatment facility for
reuse, recycling and recovery.
10 Installer settings: Tables to be
filled in by installer
10.1 Configuration wizard
Setting Fill in…
System
Backup heater type
[9.3.1]
Emergency [9.5]
Number of zones [4.4]
Glycol Filled system
(overview field setting [E‑0D])
Backup heater
Voltage [9.3.2]
Configuration
[9.3.3]
Capacity step 1 [9.3.4]
Additional capacity step 2
[9.3.5] (if applicable)
Main zone
Emitter type [2.7]
Control [2.9]
Setpoint mode
[2.4]
Schedule [2.1]
WD curve type [2.E]
Additional zone (only if [4.4]=1, dual zone)
Emitter type [3.7]
Control
(read only) [3.9]
Setpoint mode [3.4]
Schedule [3.1]
WD curve type [3.C] (read only)
10.2 Settings menu
Setting Fill in…
Main zone
Ext thermostat type [2.A]
Additional zone
(if applicable)
Ext thermostat type [3.A]
Information
Dealer information [8.3]