Daikin EWYQ130DAYN [292/524] Compar pressure 01 b

The Digital Controller For Multiscroll Chillers ESIE06-05

2–66 Part 2 – Functional Description

Fan Control This screen allows modification of the fan high pressure setpoints.

Settings:

Fan Control Anti-

hunting

This screen allows modification of the anti-hunting timer and reset conditions.

Settings:

FANST. B3 : High pressure setpoint for fan control

-First value: setpoint used for standard ON/OFF fans and units

with inverter fans

-Second value: setpoint used for inverter fans working in LOW

NOISE mode

UNLOAD CONST : Parameter used to calculate the high pressure fan switching point

if 1 compressor of this circuit is in operation.

COMPAR. PRESSURE : Parameter to specify extra condition for fan up/down.

FANST. B3:35.0b/37.0b

UNLOAD CONST:02.6b

COMPAR. PRESSURE:01.9b

FAN CONTROL

HUNTING PR TIME : When a fanstep changes with ± 1 fanstep and it becomes the

same fanstep within HUNTING PR TIME, then the anti-hunting

function will be enabled.

- ON/OFF fans: 720s

- Inv. fans: 240s

RESET CONDITION

TEMP

: When outlet water temp. rises with 2°C, the anti-hunting function

will be reset.

RESET CONDITION

AMBIENT

: When the ambient temp. rises with 3°C, the anti-hunting function

will be reset.

HUNTING PR TIM:0720s

RESET CONDTEMP:02.0 °C

RESET CONDAMB.:03.0 °C

FAN CONTROL