Test Run; Test Operation - Daikin RXYQ6BRY16 Installation Manual

Quick
•
Overshoot (during heating operation) or undershoot
(during cooling operation) is allowed compared to the
requested refrigerant temperature, in order to achieve
the required room temperature very fast.
The overshoot or undershoot is allowed from the start
up moment.
In case of cooling operation the evaporating
temperature is allowed to go down to 6°C on temporary
base depending on the situation.
In case of heating operation the condense temperature
is allowed to go up to 46°C on temporary base
depending on the situation.
When the request from the indoor units becomes more
moderate, the system will eventually go to the steady
state condition which is defined by the operation
method above.
To achieve the quick comfort setting under cooling
•
operation, change field setting [2-81]=2.
To achieve the quick comfort setting under heating
•
operation, change field setting [2-82]=2.
Mild
•
Overshoot (during heating operation) or undershoot
(during cooling operation) is allowed compared to the
requested refrigerant temperature, in order to achieve
the required room temperature very fast.
The overshoot or undershoot is not allowed from the
start up moment. The start up occurs under the condition
which is defined by the operation mode above.
In case of cooling operation the evaporating
temperature is allowed to go down to 6°C on temporary
base depending on the situation.
In case of heating operation the condense temperature
is allowed to go up to 46°C on temporary base
depending on the situation.
When the request from the indoor units becomes more
moderate, the system will eventually go to the steady
state condition which is defined by the operation
method above.
The start up condition is different from the powerful and
quick comfort setting.
To activate the mild comfort setting under cooling
•
operation, change field setting [2-81]=1.
To activate the mild comfort setting under heating
•
operation, change field setting [2-82]=1.
Eco
•
The original refrigerant temperature target, which is
defined by the operation method (see above) is kept
without any correction, unless for protection control.
To activate the eco comfort setting under cooling
•
operation, change field setting [2-81]=0.
To activate the eco comfort setting under heating
•
operation, change field setting [2-82]=0.
No matter which control is selected, variations on the
behaviour of the system are still possible due to
protection controls to keep the unit operating under
reliable conditions. The intentional target, however,
is fixed and will be used to obtain the best balance
between energy consumption and comfort, depending
on the application type.
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16. Test run

16.1 Test operation

After installation and once the field settings are defined,
the installer is obliged to verify correct operation.
Therefore a test run must be performed according to
the procedures described below.
16.1.1 Precautions before starting test operation
After the installation of the unit, first check the following
items. Once all below checks are fulfilled, the unit must
be closed, only then can the unit be powered up.
1 Installation
Check that the unit is properly installed, to avoid
abnormal noises and vibrations when starting up
the unit.
2 Field wiring
Be sure that the field wiring has been carried out
according to the instructions described in
12. Electrical wiring work, according to the wiring
diagrams and according to the applicable legislation.
3
Power supply voltage
Check the power supply voltage on the local supply
panel. The voltage must correspond to the voltage
on the identification label of the unit.
4
Ground wiring
Be sure that the ground wires have been
connected properly and that the ground terminals
are tightened.
5
Insulation test of the main power circuit
Using a megatester for 500 V, check that the
insulation resistance of 1 MΩ or more is attained
by applying a voltage of 500 V DC between power
terminals and ground. Never use the megatester
for the transmission wiring.
6 Fuses, circuit breakers, or protection devices
Check that the fuses, circuit breakers, or the locally
installed protection devices are of the size and type
specified in 12. Electrical wiring work.
Be sure that neither a fuse nor a protection device
has been bypassed.
7 Internal wiring
Visually check the electrical component box and
the inside of the unit on loose connections or
damaged electrical components.
8 Pipe size and pipe insulation
Be sure that correct pipe sizes are installed and
that the insulation work is properly executed.
9 Stop valves
Be sure that all stop valves are open.
10 Damaged equipment
Check inside of the unit on damaged components
or squeezed pipes.
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