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53
Type Screen Name Description
Default
Value
Adjustable
Range Comments
M Time & Date — — — —
V
Outside Air
Temperature
— — — —
M Fan Speed Manually adjust fan speed — 0-100% —
V Mode of Operation
Dry Mode - Pre-Cooler Mode -
Flush Mode - Self-Clean Cycle
— — —
V Alarms
Indicates if any alarms are
faulted
— —
Alarms are not self-clearing. After resolution of the issue, the Alarm button on the screen must be
pressed and held to clear the alarm.
'Commandable Values' Screen - Main Menu
M Outside Air Setpoint
Temperature at which unit goes
to Pre-Cooler Mode
MCWB for
shipped-to
city
40-120°F —
M Force Precool Manually enable Precool Mode — Open/Closed —
M Daily Drain
Time of the day the daily drain
occurs
2:00 AM
12:00 AM-
11:59 PM
NOTE: For multiple units at one site, recommended to stagger daily drains by a few minutes
M Drain Duration
Duration of the daily drain
cycle
5 min TSDC
240 min
TSDC2
1-480 min
NOTE: Note: In climates where the dry bulb does not dip below the setpoint, force an overnight dry
cycle by setting the drain duration to 250- 480 minutes and the drain time to an evening hour.
This will ensure the pads maintain a long life and algae-free operation by drying overnight. See
page 34 for more information.
WARNING: Adjusting this variable to less than 2 minutes will prevent proper unit cleaning and
will void the unit warranty.
M Make-up Duration
Duration of make-up valve
being open during daily drain
10 min TSDC
7 min TSDC2
10-99 min
The make-up duration will be shorter than the daily drain timer. If the daily drain duration is
set for longer than the makeup duration, the unit will operate dry for the remainder of the drain
duration time.
'BMS Conguration' Screen - Main Menu
V BMS Communication
Details on digital
communication
— — Only present w/ 'Modbus / BACNet communication' Control Option (see page 15)
Self-Clean Cycle - Main Menu
M Auto Fan Clean Self-Clean Cycle On On/Off Included with every unit.
M Time On
Time of day Self-Clean Cycle
activates
5:45 AM
12:00 AM-
11:59 PM
It is recommended that this time be set to a less noise-sensitive time of day due to the fans
running at full speed in reverse.
M Time Duration Duration of Self-Clean Cycle 180 sec 20-999 sec
NOTICE: Setting the self-clean cycle for shorter than the default time will reduce the unit’s ability
to clean itself.
M Temp Min
Minimum Temp at which
Self-Clean Cycle operates
40°F 30-99°F NOTICE: To protect the coil, keep the min temp > 35°F
M Temp Max
Maximum Temp at which
Self-Clean Cycle operates
90°F 30-99°F —
‘Auto-Discrete’ Mode – Diagnostics - Technician Menu
[1]
M Enable Auto-Discrete Mode Yes Yes/No Only present w/ ‘Water Saver Package with Auto-Discrete Spray System Option’ (See page 32.)
M AutoD Time Duration of Auto-Discrete Mode 120 min
60 min - 240
min
This is the amount of time the unit will remain in Auto-Discrete. After this timer expires the
system will “check” the condition of the pump, make-up valve, and float and resume operation
accordingly.
M LowCond Delay
Duration of time the
conductivity sensor must read
below 200 µS
5 min
2 min - 240
min
This timer will only take effect is the unit is giving the pump command.
Unit Mode - Main Menu
M Unit Mode
Energy/Water favoritism mode
of preference
NONpage
E, Water,
Energy
See page 23.
Diagnostics Mode - Technician Menu
V OA Temp Differential
Dead Band for precool
activation below setpoint
3°F 0-9.9°F CAUTION: Lowering the value below 1°F will result in significant cycling of the water system.
V OA Temp Off Delay
Delay between when temp
sensor indicates to turn
Pre-Coolers off, and when the
pump is turned off
10min 0-99 min —
NOTE:
1. Optional features that might not be included in your unit.
2. V=Viewable, M=Modifiable, R=Read Only, and W=Read/Write.
Table 8. Complete EcoFlex™ Controls Menu Listing
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