Operation manual
21
HXHD1 HXHD200AY1B
VRV IV system indoor unit
4P513553-1 – 2017.11
6.
M
AINTENANCE
6.1.
Maintenance activities
In order to ensure optimal operation of the unit, a number of checks
and inspections should be carried out on the unit at regular intervals,
preferably yearly. This maintenance shall be carried out by the
installer or service agent. Refer to the installation manual for more
details.
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.
6.2.
Important information regarding the refrigerant
used
This product contains fluorinated greenhouse gases. Do not vent
gases into the atmosphere.
Refrigerant type:
R134a
GWP
(1)
value:
1430
Refrigerant type:
R410A
GWP
(1)
value:
2087.5
(1)
GWP = global warming potential
Periodical inspections for refrigerant leaks may be required
depending on the applicable legislation. Please contat your installer
for more information.
7.
T
ROUBLESHOOTING
This section provides useful information for diagnosing and
correcting certain problems which may occur with the unit.
WARNING
If the supply cord is damaged, it must be replaced by the
manufacturer, its agent or similar qualified persons in order
to avoid hazards.
WARNING
During longer periods of standstill, e.g. during summer with
a heating only application, it is very important NOT TO
SWITCH OFF THE POWER SUPPLY towards the unit.
Switching off the power supply stops the automatic
repetitive movement of the pump in order to prevent it from
getting jammed.
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 domestic hot water 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.
4PEN513553-1_2017_11.book Page 21 Saturday, January 27, 2018 5:37 PM
