Johnson JR8 Serie Guide D'utilisation page 81

This operation manual is suitable for air conditioning
systems with standard controls. Before you start the
system, please contact the agent for information on the
things to note when operating the system. If the installed
unit has a custom control system, please ask the agent
for information on the things to note when operating the
system. Operating modes of the outdoor unit (depends
on the indoor unit):
Heating and cooling.
Fan only operation.
Specialized functions vary with the type of indoor unit.
Refer to the installation/user manuals for more
information.
Unit is marked with the following symbols:
This symbol indicates that electrical and electronic
products must not be mixed with unsorted household
waste. Do not attempt to dismantle the system on your
own. All works involved in dismantling the system,
handling the refrigerant, oil and other components must
be carried out by authorized installation personnel, and
the works must be carried out in accordance with the
applicable law. The unit must be disposed of and
treated at special treatment facilities for reuse and
recycling. By making sure that this product is properly
handled and disposed of, you help to minimize the
negative impact on the environment and human health.
For more information, please contact the installation
personnel or local organization.
DISPOSAL：Do not dispose this product as unsorted
municipal waste. Collection of such waste separately for
special treatment is necessary.
Do not dispose of electrical appliances as unsorted
municipal waste, use separate collection facilities.
Contact your local government for information regarding
the collection systems available.
If electrical appliances are disposed of in landfills or
dumps, hazardous substances can leak into the
groundwater and get into the food chain, damaging your
health and well-being.
5 OPERATIONS
5.1 Operating Range
Table 5.1
Common indoor unit
IDU Type
Cooling Heating
Mode
mode mode
Outdoor
-15~55°C -30~30°C
temperature
Indoor
15~30°C
16~32°C
temperature
Indoor
≤80%
(a)
humidity
(a) Condensate might form on the unit's surface if the humidity
is above 80%
NOTE
The safety device will be triggered if the
temperature or humidity exceeds these conditions,
and the air conditioner may not run.
Fresh processing
air indoor unit
Cooling Heating
mode mode
-5~16°C
20~43°C
02
5.2 Operating System
5.2.1 System operations
The operating program varies with different combina-
tions of outdoor unit and controller.
To protect this unit, please turn on the main power supply
12 hours before you start to operate this unit.
If there is a power outage while the unit is running, the
unit will automatically restart its operation when the
power supply resumes.
5.2.2 Cooling, heating, fan only
and auto operations
The indoor units in the air conditioner can be controlled
separately, but the indoor units in the same system
cannot operate in the heating and cooling modes at the
same time.
When the cooling and heating modes conflict, the mode
is determined based on the setting of the " Menu mode"
of the outdoor unit.
Table 5.2
Automatic
Automatic selection of heating or
priority mode
cooling priority based on the ambient
temperature.
When you select the cooling mode as
Cooling
the priority mode, the heating
priority mode
operations in the indoor unit stops
running, while the cooling mode will
operate as usual;
If the indoor unit 63 has been set and
No.63
turned on, the operating mode of unit
(VIP indoor
63 will be regarded as the priority
unit)
operating mode of the system. If the
+ voting
indoor unit 63 has not been set or not
priority mode
turned on, the mode adopted by most
indoor units at the same time will be the
priority operating mode of the system.
Indoor units with the heating mode will
operate normally, while indoor units in the
In response
cooling or fan mode will display the
to heating
"mode conflict error". (JR8 series indoor
mode only
unit would not display this error)
Indoor units in the cooling and fan
modes will operate normally, while
In response
indoor units in the heating mode will
to cooling
display the "E0 mode conflict error".
mode only
(JR8 series indoor unit would not
display this error)
Indoor units in the cooling or fan mode
Heating
will stop running, while indoor units in
priority mode
the heating mode will run as usual.
Only applicable to JR8 series indoor
unit, must set the No.63 (VIP indoor
unit). The operation mode of non-VIP
Change over
indoor unit cannot be selected by the
wire controller even the outdoor unit is
stop running.
The mode adopted by most indoor
Voting priority
units at the same time will be the
mode
priority operating mode of the system.
First on The operating mode of the first running
priority mode Indoor unit will be regarded as the
priority operating mode of the system.
Capability The mode adopted by the greater
requirements demand of indoor units at the same
priority mode time will be the priority operating mode
of the system.
V.1