Daikin EUWA/Y5-30HB/C(Z), Service Manual

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ESIE98–06A The Controller for the EUWA/Y15-30HC(Z) Chillers
Part 2 – Functional Description 2–31
3
2
4
5
1
3.7
a
Read-out Menu
Operational
information Using this menu you can read the actual operational information, such as the cooling and heating set
points, the inlet and outlet water temperature, the circuits status, etc. This menu provides 3 screens.
Screen 1 This screen shows information about the operation mode, the set points and the temperature:
Screen 2 This screen shows information about the outlet water temperature:
Screen 3 This screen shows information about the status of the circuits:
Line n° Display Description
1
MANAL/HEATING
MANAL/COOLING
HEATSETP1/2
COOLSETP1/2
manual control mode heating
manual control mode cooling
automatic control mode: heating set point 1 or 2
automatic control mode: cooling set point 1 or 2
2
INLET WATER
actual inlet water temperature
3
AMBIENT
actual ambient temperature
4
THERM. STEP
actual thermostat step
Line n° Display Description
1
OUTLET WATER TEMP
screen title
2-4
OUTL. WATER 1/2/3
actual outlet water temperature of circuit 1, 2 and 3
Line n° Display Description
1
CIRCUITS STATUS
screen title
2-4
C1/C2/C3
circuit 1 / circuit 2 / circuit 3
OFF
The circuit is off.
HEATING
The circuit is heating.
COOLING
The circuit is cooling.
DEFROST BUSY
The circuit is executing a defrost cycle (it will automatically
continue its normal operation when the ice has melted).
SAFETY ACTIVE
One of the circuit safety devices is activated.
FREEZE UP DIS
The circuit was shut down because the water heat exchanger
ran the risk of freezing up (it will continue its normal operation
when the freeze-up risk has disappeared).
DEFROST DIS
The circuit cannot start up because one of the other circuits is
in “defrost busy” status.
TIMERS BUSY
One of the software timers is counting (see page 2-36).
CAN STARTUP
The circuit is ready to start up when extra cooling load is
requested.