Part - Daikin EWWQ-AJYNN Service Manual

ESIE07-05
1.5.1 Main Menu
Introduction This menu shows only the output parameters throughout the screens listed below (the passage from
one to another is allowed by the arrow key).
Current date, time and weekday, setpoint origin and unit status in percent with the possibilities listed
below.
Possible status :
■
■
■
■
■
■
■
■
■
Setpoint source ■
■
■
Evaporator This screen shows the Evaporator outlet/inlet water temperature (or common temperature for two
outlet/inlet water evaporators units)
temperature
ENT Evap
LVG Evap
First and second evaporator outlet temperature (two evaporators units)
Part 2 – Functional Description
gg/mm/aa Sat
status
Unit
Cooling staging
Local
Stp Source:
Setpoint Source
Off Alarm : unit Off for alarm
Off Rem Comm : unit Off by remote communication (supervisor or BMS)
Off Time Schedule : unit Off by time schedule
Off Loc/Remote Sw : unit Off through switch
Off Keypad : unit Off through keypad (key on/off)
Off Amb. LockOut : unit Off by low ambient temperature (or tower return temperature)
Waiting flow : unit On waiting for evaporator water flow
Waiting load : unit On without compressors in motion because not required by
load.
No comps available : unit On with no compressors available for automatic management
(compressor switch OFF or alarm or in manual mode)
Local
Double
Ret. Reset
Water Temperatures
=
=
COMPRESSOR #1 STATUS
COMPRESSOR #2 STATUS
COMPRESSOR #3 STATUS
COMPRESSOR #4 STATUS
hh:mm
Compressor off
Compressor on
xxx%
Compressor disabled or alarm
X
Unit Status
xxx ˚C
xxx ˚C
The Digital Controller
2
2–23
1
3
4
5